I was watching footage of the new mini-volcano in Iceland – Mount Fagradalsfjall – the other day on YouTube, with the inevitable result that the algorithm pushed other volcano footage at me. Next up was the Shishaldin volcano in the Alaskan Aleutian islands. And that set me thinking that there seems to have been a lot of seismic and volcanic activity recently. Of course, there is always the possibility that – as with reports of “extreme” weather and climate records world-wide – we are simply more aware, thanks to 24/7 news coverage, the ubiquity of the internet and smart phones and so on, of such incidents, rather than them actually becoming more frequent.

The vlogger whose excellent drone footage of Mount Fagradalsfjall I was watching, made mention of the various dangerous gases associated with it, and he also talked about the amount of CO2 being released by the volcano. For many people this is probably nothing new, but I hadn’t really looked into the subject before. It’s time to share my findings.

These are that the scale of volcanic CO2 emissions can’t be stated with any great certainty. For example, if you believe Australian climate sceptic and geologist Ian Plimer (author of “Heaven and Earth – Global Warming: the Missing Science”, published in 2009) you might conclude that volcanic CO2 emissions are rather substantial, and little understood. He points out (at page 217) that although the proportion of gases emitted varies from volcano to volcano, typically the proportion of CO2 is in the region of 8-12% (H2O being the main gas, at 70-80%, the other main gases being nitrogen and sulphur dioxide – both less than the amount of CO2 emitted – with minor proportions being hydrogen, carbon monoxide, sulphur, chlorine and argon). He also points out (lest we get too excited about the warming implications of volcanoes) that volcanic aerosols scatter incoming short-wave solar radiation, resulting in cooler surface and troposphere temperatures (but stratosphere warming). He also argues that we under-estimate the amount of CO2 released by volcanic activity, because we don’t take sufficient cognisance of submarine volcanoes.

This is obviously dangerous talk, as is the statement in his book (on page 413) to the effect that volcanoes emit more CO2 than the world’s cars and industries combined. It is so dangerous that the Guardian has gone to great lengths to discredit it, especially in the wake of his book being published. In November 2009, George Monbiot argued in the Guardian that the BBC’s flagship radio programme Today was wrong to give Ian Plimer airtime. Following a debate between Ian Plimer and George Monbiot and an interview of him by James Randerson that year, two articles damning him and his views followed in quick succession, here and here. In the wake of the Eyjafjallajokull eruption the following year, which caused such problems for the global airline business, the Guardian returned to the fray. Earlier this month the Guardian was on the warpath again. Clearly Ian Plimer is a dangerous heretic who must be silenced.

Having said all that, I have no idea whether Professor Plimer is on the money, or whether he’s talking rubbish. I am not a scientist, let alone a climate scientist or a vulcanologist. Let’s assume Professor Plimer is wrong, the Guardian is correct, and volcanoes are nothing to worry about – at least so far as their CO2 emissions are concerned. What do the “official” organisations have to say about the subject?

The US National Oceanic and Atmospheric Administration (NOAA) is pretty clear:

Human activities emit 60 or more times the amount of carbon dioxide released by volcanoes each year. Large, violent eruptions may match the rate of human emissions for the few hours that they last, but they are too rare and fleeting to rival humanity’s annual emissions. In fact, several individual U.S. states emit more carbon dioxide in a year than all the volcanoes on the planet combined do.

They also make Professor Plimer’s other, related, point:

Today, rather than warming global climate, volcanic eruptions often have the opposite effect. That’s because carbon dioxide isn’t the only thing that volcanoes inject into the atmosphere. Even small eruptions often produce volcanic ash and aerosol particles.

Whether from small or large eruptions, volcanic aerosols reflect sunlight back into space, cooling global climate. The 1815 eruption of Mount Tambora produced enough ash and aerosols to cancel summer in Europe and North America in 1816.

Which is a rather scary thought. As is the historic activity of volcanoes, if it were repeated today:

Volcanic activity today may pale in comparison to the carbon dioxide emissions we are generating by burning fossil fuels for energy, but over the course of geologic time, volcanoes have occasionally contributed to global warming by producing significant amounts of carbon dioxide and other greenhouse gases.

For example, some geologists hypothesize that 250 million years ago, an extensive flood of lava poured continually from the ground in Siberia perhaps hundreds of thousands of years. This large-scale, long-lasting eruption likely raised global temperatures enough to cause one of the worst extinction events in our planet’s history. Current volcanic activity doesn’t occur on the same massive scale.

Let’s hope not, anyway.

The cited figure – that humankind produces at least 60 times as much carbon dioxide annually as volcanoes – comes from a 2013 study by Michael Burton, Georgina Sawyer, and Domenico Granieri. Two years earlier:

U.S. Geologic Survey scientist Terry Gerlach summarized five previous estimates of global volcanic carbon dioxide emission rates that had been published between 1991 and 1998. Those estimates incorporated studies reaching back to the 1970s, and they were based on a wide variety of measurements, such as direct sampling and satellite remote sensing. The global estimates fell within a range of about 0.3 ± 0.15 billion metric tons of carbon dioxide per year, implying that human carbon dioxide emissions were more than 90 times greater than global volcanic carbon dioxide emissions.

NASA (https://climate.nasa.gov/faq/42/what-do-volcanoes-have-to-do-with-climate-change/) doesn’t go with either the 60 times or the 90 times figure, preferring to say that “human contributions to the carbon cycle are more than 100 times those from all the volcanoes in the world – combined.

Let’s leave Professor Plimer out of it and go with the measurements that most people are likely to rely on. We are left with a range of figures, such that humankind annually (in the absence of unusual levels of volcanic activity in any one year) produces around 60, 90 or 100 times as much CO2 as volcanoes. The “official” websites to which I have referred (as well as the Guardian, for that matter) do seem anxious to tell us that in the scheme of things, volcanoes are pretty insignificant, so far as CO2 emissions are concerned. Which I find interesting, not least since depending on who you believe, the UK’s CO2 emissions are less than 1% of humankind’s global CO2 emissions on an annual basis. Our World in Data puts the figure at 0.93%. Wikipedia puts it at “under 1%”). The Worldometer website (which supplies an out of date 2016 figure) puts it at 1.03%. Given that the UK’s annual emissions have fallen since then while most of the rest of the world’s have risen, it seems safe to assume that the UK’s emissions are indeed less than 1% of the global total.

Depending, then, on which of the “official” figures we accept for volcanic CO2 emissions, the UK’s emissions are either on a par annually with those from volcanoes, are a bit less, or are about two thirds of the level of volcanic CO2 emissions (per NASA and Burton, Sawyer, and Granieri). And if volcanic emissions are such small beer, such that we can safely discount them and not worry about them, then why the hysteria from the likes of XR and Just Stop Oil about UK emissions? Perhaps it’s time for a new protest group – Just Stop Volcanoes.

79 Comments

  1. I think it’s about time JSO activists started gluing themselves to the rocks at the foot of erupting volcanoes to protest about Big Gaia’s CO2 emissions.

    Whilst we’re on the subject of Big Gaia, Just Stop Oil never mention the fact that it was Gaia who conspired with the Sun in the first place to create fossil fuels and thus tempt mankind into exploiting them, just like the serpent did with Eve and the apple in the Garden of Eden. How come Gaia gets a free pass in all of this climate emergency nonsense and how come She can just go on polluting with impunity whilst we humans get rapped over the knuckles for simply wanting to travel places and keep warm in winter?

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  2. Thanks for summarising your research, Mark.

    It’s a very interesting read, and will save many of us a lot of hard work. 😉

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  3. Very funny title and subtitle Mark. The first time I met a geologist who was a climate sceptic was in 1992. He was working as a minerals exploration expert in Bristol for the mining conglomerate Rio Tinto. (Anachronism warnings: I doubt the term climate sceptic had even been coined then. And It was RTZ Mining & Exploration in those days, within the RTZ group. RTZ had purchased BP Minerals from BP only a few years before and had renamed it thus, before renaming itself.)

    Anyway, we were sitting in a cafe in Bristol taking a break from our discussions of databasing RTZ exploration information, going back over a hundred years, leading to the aptly named Century Mine in Australia for example, and this guy, with two PhDs, was furious about the nonsense of alarmism as of 1992. And the one bit of ‘science’ I remembered afterwards was that he said the amount fo CO2 being spewed out by Mount St. Helens in those days (on and off since 1980, in fact, I learn from the ever-trusty Wikipedia)) dwarfed man’s puny emissions. But those just in Washington State or globally? I don’t remember that level of detail. All I know is that I looked at the other highly qualified explorationists as he set off on his diatribe. They didn’t want to publicly agree but I sensed from their looks that they knew he was right in his general critique. But that even then there was a perceived cost in saying so. So I assumed he was right too.

    When I travelled back to Bristol in May 2019 to hear Rachel Hayhoe I tried to have a civil conversation with her at the end. In order to date my initial interest in climate alarm I mentioned this key meeting just down the road in some obscure cafe. At once she jumped on me saying that the claims sceptics made about emissions from volcanoes were provably wrong. But I hadn’t made those claims – to her or to others. There was no meeting of minds on pretty much anything. How polarised we have got.

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  4. Very interesting, Richard.

    I have no idea whether Ian Plimer’s claims about the emissions of submarine volcanoes are true, partially true, or untrue. I suspect that we don’t know as much as we should, or as we like to think we know, about such matters, and that volcanic emissions may be higher than is generally acknowledge. I am certainly prepared to concede that Professor Plimer’s claims may well be over-played.

    My purpose really was to make the point that it’s not consistent to argue that volcanic emissions (at perhaps 1-1.5% of human emissions) are overwhelmed by human emissions, and there’s nothing to see here, but that the UK’s emissions (at less than 1% of human emissions globally on an ongoing basis) are so significant that UK net zero is essential by 2050 (or by 2045 in Scotland – an even more ludicrous proposition).

    My other purpose was to draw attention to the power of natural forces and to remind ourselves of the scale of extremes that our planet has witnessed over 4.5 billion years. Today’s human activity, whatever the fabricated hysteria surrounding it, is a drop in the ocean, a blink of the eye in terms of what our planet has witnessed and will in the future witness. It is sheer hubris to deceive ourselves as to our importance in the scheme of things.

    For instance, this report:

    https://www.livescience.com/yellowstone-caldera-supervolcano-eruption

    is in many ways reassuring with regard to just one possible terrifying volcanic explosion – that of Yellowstone. It’s good to know that it’s probably nothing like imminent. But if just one such event occurred (and many such events have occurred throughout the life of our planet) than humankind’s puny efforts would well and truly be put in the shade (both metaphorically and literally).

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  5. Mark: Yep, both your purposes were very worthwhile. Sorry for bypassing them both in my trip down memory lane! But while I’m there, I may not have made clear that Century Mine was named that because mineral exploration had been carried out in that area of North West Queensland for over a hundred years. Some of it by the company called CRA which was now part of RTZ. Plenty of zinc found but not enough for an economic mine, with all its need for good old diesel equipment. Until finally, partly after going back to very old records, the sweet spot was found. That was how important information management was. The exploration game is even more extreme with minerals than with oil. You’re looking typically for a football pitch cubed of the really dense and thus good stuff. (And was that only for gold? Geologists among us please correct. But I found it exciting to learn about.)

    I’m with you on not knowing if Plimer is right. But I would not be surprised if he was.

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  6. Forget Yellowstone Mark, worry much, much more about Phlegraean Fields, near Naples, another, but much more active super volcano with more than twenty vents/calderas, and much, much nearer to the British Isles.

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  7. Alan,

    I was hoping you would comment. Thanks for drawing my attention to that. Here’s an article about it in the Guardian (which can still do good journalism when it isn’t lecturing and hectoring):

    “Parts of Italian volcano ‘stretched nearly to breaking point’, study finds
    This article is more than 1 month old
    Campi Flegrei (Phlegraean Fields) near Naples is now in ‘extremely dangerous’ state, say academic experts”

    https://www.theguardian.com/world/2023/jun/09/parts-of-italian-volcano-stretched-nearly-to-breaking-point-study-finds

    I’m actually not that concerned about it (on a selfish personal basis) because I assume prevailing westerly winds would carry the ash cloud away from us, which is the reverse of the case with Yellowstone. I would be very worried if I lived nearby, despite the Guardian watering down its alarming headline by saying in the body of the article:

    The probability of a big eruption occurring is “very low”, Carlino said. “What is more likely are small eruptions.”

    And while the volcano is closer to rupture, that does not necessarily mean an eruption will take place, Kilburn said. Even if the crust cracks, “the magma needs to be pushing up at the right location for the eruption to occur”, he said.

    By coincidence, YouTube’s algorithm pushed at me yesterday evening a brand new video about Yellowstone, suggesting that it is in fact much closer to an eruption than previously thought. The explanation seemed plausible to me, but then I’m not a geologist. The good news is that “closer” still doesn’t mean “imminent”, apparently.

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  8. Thanks Dougie,

    There is an entirely different discussion to be had about the possible effects of volcanoes and how they link in to the climate change debate. There’s a lot of talk about a warming Antarctic and record Antarctic ice melt, but if it were to turn out that this is caused by renewed activity from previously unknown or unsuspected volcanoes, then it would put a very different complexion on things.

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  9. Mark. An erupting Phlegraean Fields volcano would almost certainly destroy Naples and vicinity. The financial implications of this would be global. Also given the impact of the eruption itself, don’t be so secure in your western fastness.

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  10. Alan,

    Point definitely taken. I am not at all secure in my western fastness. Volcanoes fascinate and scare me in equal measures. I suspect that we are more at risk from them than we are from climate change.

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  11. We all are Mark. That article adds to my prior understanding that the all singing-all dancing models were having a hard time modelling the temperature rise during the PETM, even assuming very high climate sensitivities. Science has a really nasty habit of not being settled 97% of the time!

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  12. Jaime, Mark: indeed a fascinating read, but one that is perplexing. I note throughout that tried and true methods of determining in the past temperature and atmospheric CO2 (and other stock variables) are commonly in conflict with each other. I wonder if Paul Dennis might comment. For those who don’t know Paul was in charge of the Department of Environmental Science (UEA) isotope laboratory and I would trust his opinion about isotopes (and other geochemistry) over others.

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  13. All volcanos are not created equal. It seems that when Hunga Tonga-Hunga Ha’apai erupted close to Samoa last year, it injected 50 or maybe 150 million tonnes of water into the stratosphere. This seems to be causing much of the rise in temperatures we have been seeing recently. More on whatsupwiththat:

    Ryan Maue on Hunga Tonga-Hunga Ha’apai Submarine Volcano.

    Funny that the MSM hasn’t cottoned on to this yet…

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  14. Well, it seems like volcanoes on land produce temporary cooling because of aerosols or they might warm the planet by adding CO2, however submarine volcanoes might cause significant short term warming by injecting huge quantities of water vapour (a far more powerful greenhouse gas than CO2) into the atmosphere (rather more than previously estimated). Besides the warming, there’s also the rainfall when this water vapour precipitates out, which rather dampens the hysterical proclamations of the climate crisis crowd who see every extreme rainfall event as being the result of climate change. Oh dear.

    Ryan Maue on Hunga Tonga-Hunga Ha’apai Submarine Volcano.

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  15. Mark,

    The Associated Press reported on the possibility of temporary warming due to Hunga Tonga in Sep 2022 but played it down and implied that it would be minor. I think what we are seeing is that quite significant warming is now happening. Reports that volcanic aerosol emissions from Hunga Tonga were minimal are not correct; only Pinatubo and El Chichon exceeded Tonga’s emissions of stratospheric aerosols in the satellite era. So therefore we would have expected some cooling, but it was compensated by warming I believe and now that those aerosols have cleared the atmosphere, we are seeing the unmasked effect of the warming. This also explains why we didn’t see as much cooling as we expected during the recent ‘triple dip’ La Nina. So, if the underlying warming from Hunga Tonga was enough to mask cooling from volcanic aerosols AND La Nina, now that those aerosols have gone and El Nino is developing in the Pacific, we could be looking at some pretty extreme warming in the next 6 months to a year. Cue mass hysteria.

    https://www.nbcnews.com/news/world/tonga-volcano-eruption-warm-earth-rcna49084

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  16. It’s hard to believe Mark. That article completely ignores the sodding great volcano which erupted on Tonga’s doorstep just 18 months ago, but jumps at the opportunity to blame ‘climate change’ for the current anomalously cold weather!

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  17. Mark,

    “”Questions have been raised as to why we are only seeing the effect a year after the eruption. There are two very good reasons for this:

    1) La Nina last year helped to offset any temperature rise from Hunga Tonga.

    2) For the months following the eruption, the cooling effect of aerosols tended to offset the warming effect of the water vapour. Gradually however these aerosols have since dropped out of the atmosphere, and now there is nothing to offset the water vapour effect. Remember that global temperatures fell by about 0.5C following Pinatubo.”

    I made these points two weeks ago and most recently on Judith Curry’s blog when someone was questioning why warming was only happening now. It’s about time other sceptics picked up on what to me seemed rather obvious. Of course, it’s so simple it could be wrong, but better to be wrong stating the obvious than not state it at all.

    https://jaimejessop.substack.com/p/satellite-data-confirms-july-2023

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  18. A somewhat ironic title:

    “Volcanoes and wildfires offset 20% of global heating over eight years
    Events that inject smoke and gas into high atmosphere help to cool planet but are no solution to climate crisis, says study”

    https://www.theguardian.com/environment/2023/aug/23/volcanoes-and-wildfires-offset-20-of-global-heating-over-eight-years

    Explosive volcanic eruptions and wildfires have offset global heating by around a fifth over the last eight years, a study shows. In particular the eruption of Calbuco in southern Chile in 2015 and the 2019-20 Australian wildfires injected vast amounts of smoke and gas into the high atmosphere, which helped to cool the planet by absorbing heat leaving the Earth and reflecting sunlight back to space.

    Pengfei Yu from Jinan University in China and his colleagues used data gathered by high altitude balloons over the Tibetan plateau and the US to model the cooling impact of stratospheric volcanic eruptions – those that inject ash into the high atmosphere – and wildfires.

    Their results, which are published in Geophysical Research Letters, show that these events have produced a greater than average amount of cooling in recent years. This is partly because there were more low-latitude events where smoke and gas is transported quickly around the globe by high-level winds and remains suspended for longer than events closer to the poles.

    The study also showed, however, that the rapid increase in greenhouse-gas warming means that the cooling effect from wildfires and volcanic eruptions is diminishing and cannot be relied on to offset global heating in the coming decades.

    No mention of Hunga Tunga.

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  19. Mark,

    I checked the study. Included in the inventory of sulphate aerosols from volcanoes is Hunga Tonga, but the far more significant stratospheric water vapour injection and the positive radiative forcing from that is completely ignored. Also completely ignored is the elimination of sulphates from ship fuel which has possibly contributed to warming recently. Talk about cherry-picking data! I also suspect that their model overestimates cooling from wildfires.

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  20. This is a sad story, run by both the Guardian and the BBC today, presumably as a result of their being a press release today from somebody (I note that the event is said to have occurred last year, to that extent isn’t new news):

    “Climate change: Thousands of penguins die in Antarctic ice breakup”

    https://www.bbc.co.uk/news/science-environment-66492767

    A catastrophic die-off of emperor penguin chicks has been observed in the Antarctic, with up to 10,000 young birds estimated to have been killed.

    The sea-ice underneath the chicks melted and broke apart before they could develop the waterproof feathers needed to swim in the ocean.

    The birds most likely drowned or froze to death.

    The event, in late 2022, occurred in the west of the continent in an area fronting on to the Bellingshausen Sea.

    It was recorded by satellites.

    Dr Peter Fretwell, from the British Antarctic Survey (BAS), said the wipeout was a harbinger of things to come….

    And:

    “Emperor penguins: thousands of chicks in Antarctica likely died due to record-low sea ice levels
    Breeding failures in the Bellingshausen Sea ‘without precedent’ as multiple colonies across large region all failed in a single season”

    https://www.theguardian.com/world/2023/aug/25/emperor-penguins-thousands-of-chicks-in-antarctica-likely-died-due-to-record-low-sea-ice-levels

    Thousands of emperor penguin chicks across four colonies in Antarctica likely died because of record-low sea ice levels that caused a “catastrophic breeding failure” in late 2022, according to new research.

    Analysis of satellite images showed the break-up of usually stable sea ice and the disappearance of the colonies at a time when chicks had not yet grown their waterproof feathers.

    Scientists have said emperor penguins face an uncertain future under global heating because they are so reliant on sea ice, which is projected to decline as the world’s oceans heat up.

    The breeding failures in the Bellingshausen Sea were “without precedent”, the research said, as it was the first time multiple colonies across a large region had all failed in a single season….

    Climate change? Possibly – certainly the BBC and the Guardian are both keen to tell us that it’s the likely explanation. I do, however, note this:

    “Reconstruction of changes in the Amundsen Sea and Bellingshausen Sea sector of the West Antarctic Ice Sheet since the Last Glacial Maximum”

    https://www.sciencedirect.com/science/article/pii/S0277379113004101

    …Tomographic inversions of earthquake seismic data show that much of West Antarctica overlies a region of relatively warm upper mantle centred beneath Marie Byrd Land (Danesi and Morelli, 2000, Shapiro and Ritzwoller, 2004). The warm mantle is probably associated with elevated geothermal heat flow (Shapiro and Ritzwoller, 2004), but there are no published heat flow measurements to confirm this. The region is volcanically active, and eruptions since mid-Oligocene time have constructed 18 large volcanoes in Marie Byrd Land with exposed volumes up to 1800 km3 (LeMasurier et al., 1990). Although volcanic edifices beyond Marie Byrd Land are smaller, the alkaline volcanic province they are part of extends across the entire Amundsen-Bellingshausen sector and along the Antarctic Peninsula (Hole and LeMasurier, 1994, Finn et al., 2005). Of the large volcanoes in Marie Byrd Land, Mount Berlin and Mount Takahe are known to have erupted since the LGM (Wilch et al., 1999). A volcano in the Hudson Mountains, north of PIG, erupted only ca 2200 year ago (Corr and Vaughan, 2008). There may have been other eruptions in the sector since the LGM that are yet to be detected. In addition to local effects around the eruption sites and a temporary, more widespread effect of tephra deposition on ice surface albedo, eruptions could have affected ice dynamics by supplying meltwater to the ice sheet bed…..

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  21. “Tonga volcano triggered seafloor debris stampede”

    https://www.bbc.co.uk/news/science-environment-66731845

    Last year’s Tonga volcanic eruption produced the fastest underwater flows ever recorded, scientists say.

    Huge volumes of rock, ash and mud were clocked moving across the ocean floor at speeds of up to 122km/h (75mph).

    These “density currents”, as they’re known, snapped long sections of telecommunications cabling, cutting the Pacific kingdom’s link to the global internet.

    They also smothered and killed all sealife in their path.

    It’s another example of the prodigious scale of the 15 January eruption.

    The underwater volcano called Hunga-Tonga Hunga-Ha’apai is already in the record books for:

    the height of its eruption plume, which rose half way to space (58km)
    producing the biggest atmospheric disturbance in instrumented history
    triggering the most intense lightning storm – 2,600 flashes per minute

    As Jaime and others are doing, it’s interesting to speculate as to what else Hunga Tonga might have triggered. Needless to say, the BBC doesn’t carry speculation that far. Nor does the Guardian, which instead gives us this:

    “Heat denial: influencers question validity of high temperatures
    Tweet viewed millions of times claimed ground temperature was being confused with air temperature”

    https://www.theguardian.com/environment/2023/sep/07/why-climate-deniers-are-wrong-validity-heat-measurements

    …Monotti added that the most important factors for current warming were the eruption of the Hunga Tonga-Hunga Ha’apai underwater volcano in January 2022, the Schwabe solar cycle of 11 years, and the Eddy solar cycle of 1,000 years.

    He said: “CO2 has negligible effects on climate, as the main greenhouse gas is water vapour, accounting to 95% of all greenhouse gases and having the greatest effect on climate, and the cloud cover is the Earth’s self-regulating climate valve, and is what determines how much solar radiation reaches the surface.”

    These statements do not accord with the reports published by the Intergovernmental Panel on Climate Change, which is composed of the world’s leading climate scientists….

    I suppose I should be grateful that they put the words in print, even if their sole reason for doing so is to seek to discredit them.

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  22. Mark, the superlatives keep coming for Hunga Tonga. Climate alarmists love to tell us about ‘unprecedented’ weather events but they seem curiously reluctant to acknowledge the ‘unprecedented’ (at least in the instrumental record) nature of the Hunga Tonga eruption, which may or may not be affecting global temperature via the ‘unprecedented’ injection of water vapour as far as the upper stratosphere.

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  23. September has broken global heat records by a considerable amount. The planet is the warmest it has been since satellite monitoring began in 1978 and the spike just keeps going up. The ridiculous thing is, ‘scientists’ and commentators are extremely reluctant to attribute the warmth to Hunga Tonga, preferring instead to point the finger at an El Nino which has cannot at present be contributing much at all and vaguely hand-waving about some magical mechanism which is making natural and man-made warming ‘act in concert’ to produce unprecedented warming. Hunga Tonga gets a brief mention only in passing. There is NO plausible explanation for the current huge spike in global warming bar stratospheric water vapour radiative forcing. El Nino is contributing some, man-made global warming even less. How much longer are the press and the ‘experts’ going to keep this ridiculous narrative up?

    https://www.washingtonpost.com/weather/2023/09/23/record-warm-temperature-september-climate-threshold/

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  24. Southern hemisphere land temperatures have spiked significantly in September. This is in line with predictions of greater warming in the southern hemisphere due to greater concentration of stratospheric water vapour in SH from La Tonga, plus faster warming over land. Ron Clutz says:

    “Remarkably, in 2023, SH land air anomaly shot up 1.5C, from -0.56C in January to +0.93 in July, then dropped to 0.53 in August. Now in September SH shot up again to 1.5C. Tropical land temps are up 1.48 since January and NH Land air temps rose 0.9, mostly since May. The consolidated rise greatly exceeds the upward spikes peaking in 2016.”

    UAH: Amazing SH Land Air Spike September 2023

    It is looking increasingly likely, given the pattern of observed warming, that La Tonga is mainly responsible for the remarkable warming we are seeing in 2023. I’m in Scotland and have been wandering round in a T-shirt. Yesterday felt like a summer’s day it was so warm and settled.

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  25. Jaime, enjoy it while it lasts. I’m off to Ballater on Thursday, where the temperature is forecast to peak for one hour on Sunday at 7C.

    As regards the serious content of your post, however, it does look increasingly as though something must explain the unusual warmth, beyond it being human-emitted CO2 wot done it. It it was CO2 emissions, we wouldn’t expect the dramatic spike in temperatures (or have we passed a tipping point, and we sceptics are confounded?).

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  26. “‘Virtually certain’ that 2023 will be warmest year after October record”

    https://www.bbc.co.uk/news/science-environment-67332791

    What’s interesting in this story is the rush to blame CO2 emissions and El Nino, despite there having been no sudden upsurge in CO2 emissions and despite this El Nino event being a relatively small one. The reality is that scientists don’t understand what’s driving the unusual warmth , but it doesn’t stop them making all the usual assumptions, even though they obviously don’t explain it:

    “The fact that we’re seeing this record hot year means record human suffering,” said Dr Friederike Otto from Imperial College London, commenting on the findings.

    “Within this year, extreme heatwaves and droughts made much worse by these extreme temperatures have caused thousands of deaths, people losing their livelihoods, being displaced etc. These are the records that matter.”

    The main driver of the heat is ongoing emissions of carbon dioxide, mainly from burning fossil fuels. It is being supplemented this year by the rise of El Niño – a natural event where warm waters come to the surface in the east Pacific Ocean and release extra heat into the atmosphere.

    El Niño conditions have gained strength over recent months, but have not yet reached their peak.

    “This El Niño is weird. Part of the heat we’re experiencing is not just due to the increase in El Niño, it’s due to this rapid switch out of (ocean-cooling weather event) La Niña conditions as well, that has been suppressing temperatures for the last few years,” said Dr Hausfather.

    Scientists are uncertain as to whether this Niño event is different from others in recent decades. Some are concerned that it might be driving greater heating at the ocean surface than during previous events such as the ones in 1997 and 2015. The jury is still out on that.

    As Jaime would point out, there is one recent event that could explain it – the massive amount of water vapour (a greenhouse gas) blasted into the air by the Hunga Tonga volcano. However, that can’t even be discussed – it might distract from the narrative, even if the narrative is confused (“”This El Niño is weird….”).

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  27. Gobsmacking dishonesty and distraction from Hausfather and Otto. Yeah, like, it’s CO2 which is the main driver of the heat (even though CO2 emissions have not suddenly increased), supplemented by a “weird” El Nino which started punching well above its weight even when it was only knee high to a grasshopper, and also the amazing warmth is being driven by an unusually “rapid switchover” from La Nina to El Nino conditions. Zeke apparently fails to grasp the fact that this, if true (which I doubt), would only result in there being a sudden and large RELATIVE difference between global temperatures in 2022 and those in 2023, whereas we are seeing ABSOLUTE warmth in relation to ALL other years. Hausfather and Otto take us all for fools.

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  28. “Iceland volcano: what could the impact be?”

    https://www.bbc.co.uk/news/science-environment-67402198

    …One of the most extensive eruptions in Iceland was back in 1783 when there was a flood of lava which lasted for eight months, and produced extensive sulphur clouds which hung over Northern Europe for more than five months and is estimated to have caused cooling of about 1.3C for the following two years….

    Like

  29. Well, well, well. I read this and thought “Here we go again. One last pusg before COP 28”:

    “Climate change: Is the world warming faster than expected?”

    https://www.bbc.co.uk/news/science-environment-67360929

    To my pleasant surprise, I read a reasonably balanced article (by BBC standards), which includes this:

    A large volcanic eruption
    In January 2022, there was a huge eruption of the underwater Hunga Tonga-Hunga Ha’apai volcano. The eruption plume reached an “unheard-of” 55km (35 miles) above the Earth’s surface and triggered record underwater debris flows.

    Importantly for the climate, it also released around 150 million tonnes of water vapour into the stratosphere. Water vapour is a greenhouse gas, like carbon dioxide, so may have added to warming.

    Studies so far suggest the eruption may have only had a limited effect on global air temperatures, perhaps less than 0.05C. But scientists are still working to establish its full impact….

    Of course, being the BBC, and COP 28 pending on the near horizon, the impact of the volcano is minimised, but at least it has now received a mention.

    Liked by 1 person

  30. It’s quite pathetic really; they’re floundering around for answers as to why the planet has experienced truly unprecedented (in the observational record) warming in 2023. It must be the first time they haven’t used the word unprecedented when it would be entirely justified to do so! It’s got them worried obviously because 2023 demonstrates unequivocally that the world can warm very rapidly and by a huge amount relative to the very gradual increase which we have seen since 1850 and it cannot be explained by ENSO variability (even ‘weird ‘ El Ninos) or man-made GHGs. They’re clutching at straws with the aerosol emissions and the Antarctic albedo effect. The Conversation back in July mentioned an additional influence – solar activity.

    https://theconversation.com/global-temperatures-are-off-the-charts-for-a-reason-4-factors-driving-2023s-extreme-heat-and-climate-disasters-209975

    Hunga Tonga – or whatever it is that is causing the world to ‘boil’ in 2023 – is really interfering with their attempt to portray deadly GHGs as the principal driver of global temperature increases and extreme weather, because natural variability quite obviously greatly exceeds the miniscule long term trend, which logically implies that it may enhance or diminish that trend over years, decades, even multiple decades, or it might totally obscure it. They don’t want natural variability – be that volcanoes, solar activity, oceanic cycles or El Ninos – raining on their global warming parade. It’s becoming harder and harder to brush off that natural variability as ‘insignificant’ or temporary. Science and data are catching up with their fraud.

    Liked by 1 person

  31. “El Niño Behind High Temperatures in 2023 – Similar to 2016”

    https://dailysceptic.org/2023/12/20/el-nino-behind-high-temperatures-in-2023-similar-to-2016/

    …This year there is another possible natural force at work in adjusting some of the usual weather patterns. In January 2022, the Hunga Tonga submarine volcano suddenly exploded depositing an astonishing extra 13% water vapour into the upper atmosphere. Water vapour accounts for around 4% of the atmosphere and although short-lived and constantly replaced, acts as a powerful gas trapping heat. Whatever the longer term consequences of the eruption turn out to be, it is likely to affect the natural hydrological cycle as the extra water precipitates out over the next few years.

    Last year saw a flurry of scientific interest in Hunga Tonga, but it appears that recent published comments are downplaying its effects. Nevertheless a group of European scientists has noted that the unique nature and magnitude of the global perturbation caused by Hunga-Tonga “ranks it among the most remarkable climatic events in the modern observation era, with a range of potential long-lasting repercussions for stratospheric composition and climate”.

    All of this shows that it is good science to examine every possible cause that could affect weather and longer term changes in the climate. The ‘settled’ science promoting Net Zero is junk science, since it fails to consider anything other than an unproven hypothesis that humans cause all or most climate change. As always, the wise words of atmospheric scientist Professor Cliff Mass of the University of Washington are worth noting: “The more extreme a climate or weather record is, the greater the contribution of natural variability and the smaller the contribution of human-caused global warming”.

    Liked by 1 person

  32. Mark, credit to Chris Morrison for noting the possibility that Hunga Tonga could be driving the current global warming spike, but sadly he comes up short when talking about El Nino:

    “The table below is compiled by GISS, the NASA global temperature dataset. The trend in higher anomalies – departures from the norm – seen from October 2015 through to April 2016 is similar to that seen from June this year.”

    This is the whole point. The current moderate/strong El Nino was only just getting going in June and, barring some mysterious unknown physical process, COULD NOT have driven the spike in global surface temperature which started then. I find it immensely frustrating that sceptical writers at WUWT and DS will not apply some simple logic to this El Nino issue and are so reluctant to delve more deeply into the possibility that Hunga Tonga is responsible for the record cumulative monthly anomalies which we have seen from June 2023 onwards. And why aren’t they reading my Substack?!

    Like

  33. Jaime,

    David Whitehouse at Net Zero Watch has a new piece up:

    “2023: Global temperature, statistics and hot air”

    https://www.netzerowatch.com/2023-global-temperature-statistics-and-hot-air/

    You may find it worthwhile reading it, but will probably be disappointed by this paragraph:

    It is pertinent to say that climate scientists were a little puzzled at this year’s sudden temperature surge as they cannot quite explain it: their models neither predict it nor are they able to account for the surprise. Other factors have contributed to it including the ongoing lifting of the aerosol pollution, especially by China, and the use of new formula ship fuels. The Hunga Tonga explosion that injected water vapour into the stratosphere might have had an effect, though probably a minor one. The Sun reaching the peak of the solar cycle will also have had a small influence.

    Like

  34. You’re right Mark. Disappointing – and somewhat paradoxical.

    Whitehouse says:

    “Clearly El Nino has a lot to do with it, coming after an unusual three years of La Nina events that tend to absorb heat in the oceans, releasing it in a subsequent El Nino, as has now happened.”

    Then he says:

    “It is pertinent to say that climate scientists were a little puzzled at this year’s sudden temperature surge as they cannot quite explain it: their models neither predict it nor are they able to account for the surprise.”

    So it’s not that clear that El Nino has a lot to do with it and the correct year for comparison is not 2016, when El Nino faded but global temperatures peaked, it is 2015, when El Nino developed, and no way did we witness these extreme monthly anomalies in summer 2015. Why can’t these people get that simple fact into their heads before they start claiming that “clearly El Nino has a lot to do with it”? Whitehouse uses the excuse that El Nino happened after an extended triple dip La Nina, so presumably it was like a ‘loaded spring’ type effect with all that heat suddenly released from the oceans after being suppressed by La Nina, but this doesn’t make much sense because there was an even longer and more intense period of La Nina conditions from 1998-2001 and then a moderate El Nino started developing in 2002, but it didn’t suddenly and very radically warm the planet when it just got going, or even when it peaked. Dr David Whitehouse is the Science Editor for NZW; he should know this stuff. I’m not impressed.

    https://ggweather.com/enso/oni.htm

    Like

  35. “2023 confirmed as world’s hottest year on record”

    https://www.bbc.co.uk/news/science-environment-67861954

    …”What struck me was not just that [2023] was record-breaking, but the amount by which it broke previous records,” notes Andrew Dessler, a professor of atmospheric science at Texas A&M University.

    The margin of some of these records – which you can see on the chart below – is “really astonishing”, Prof Dessler says, considering they are averages across the whole world…

    …12 months ago, no major science body actually predicted 2023 being the hottest year on record, because of the complicated way in which the Earth’s climate behaves.

    During the first few months of the year, only a small number of days broke air temperature records.

    But the world then went on a remarkable, almost unbroken streak of daily records in the second half of 2023.

    Look at the calendar chart below, where each block represents a day in 2023. Records were broken on the days coloured in the darkest shade of red. From June, we’re looking at a new record most days…

    …This recent temperature boost is mainly linked to the rapid switch to El Niño conditions, which has occurred on top of long-term human-caused warming….

    …But air temperatures have been boosted unusually early on in this El Niño phase – the full effects had not been expected until early 2024, after El Niño had reached maximum strength.

    This has left many scientists unsure about exactly what is going on with the climate.

    “That raises a bunch of really interesting questions of why [2023 was] so warm,” notes Zeke Hausfather, a climate scientist at Berkeley Earth, a science organisation in the US….

    The more I see of this, and the bafflement of climate scientists (who scratch their heads while insisting that it must be due to a combination of manmade climate change and El Nino) the more I think that Jaime is on to something. Even the most alarmed of the alarmists didn’t predict such warming, so it must be due to a cause that they didn’t anticipate. El Nino doesn’t explain it, because it’s too early in the cycle. Hunga Tonga is certainly looking like a prime suspect.

    Liked by 1 person

  36. Mark,

    Hausfather’s ‘weird El Nino’ posturing is just beyond pathetic now. Even Gavin Schmidt has come out and said effectively that it cannot have been El Nino and that something else must have caused the extreme heat from June onwards, specifically mentioning Hunga Tonga and ship fuel emissions. The BBC – as usual – is deliberately misleading its readers by claiming that the extraordinary warmth in 2023 was “driven by human-caused climate change and boosted by the natural El Niño weather event.”

    Liked by 3 people

  37. Interesting to catch up with where this thread has ended up. Congats Jaime and Mark.

    (Cliscep as wiki-in-wordpress has many weaknesses but a sudden reminder, via New Comments, can be educational for the sporadic lurker.)

    Liked by 1 person

  38. Mark, it’s incredibly frustrating that the BBC gets to pump out its science-lite, evidence free disinformation to millions of readers and viewers whilst we sceptics on alternative media only ever manage to drum up a few hundred views at the most. It hasn’t helped that WUWT and other very popular sceptic sites have also generally bought into the ‘weird El Nino’ explanation for 2023 warmth. Even Roy Spencer was saying in summer that the extraordinary monthly lower tropospheric anomalies were down to El Nino. Why has talk of Hunga Tonga become so verboten?

    Liked by 2 people

  39. Well, Jaime, they’re just as confused in Australia:

    “El Niño doesn’t automatically mean it won’t rain. Here’s why it’s been so wet and stormy for Australia’s eastern states”

    https://www.abc.net.au/news/2024-01-07/wet-el-nino-weather-pattern-explained-bureau-of-meteorology/103289232

    …When the Bureau of Meteorology (BOM) declared an El Niño event in September, there were warnings of a hot and dry summer.

    But for thousands of Queenslanders especially — from the storm-ravaged south-east to the flooded Far North — that’s not been the case at all.

    Climate experts say it’s a combination of misconceptions surrounding El Niño and several climate drivers that are contributing to wetter conditions.

    Research director for the CSIRO’s Climate Intelligence program Dr Jaci Brown likened El Niño’s behaviour to a chocolate pinwheel.

    “Without any forecast, there is an equal chance it could be a wet, dry or normal year,” Dr Brown said.

    “So when we know it’s going to be an El Niño it changes that probability so the segment for dry conditions on that chocolate wheel is much larger, and the wet is smaller.”

    Professor Andrew Dowdy from the University of Melbourne said often it’s believed storms were related to climate patterns, but that’s not the case.

    “It doesn’t mean it is always hot and dry, but it does mean that in some regions and seasons of the year there is an increased chance of hot and dry conditions,” Professor Dowdy said.

    “It is just a higher probability we can see those conditions arise.”…

    Liked by 2 people

  40. More confusion on display here:

    “‘Astounding’ ocean temperatures in 2023 intensified extreme weather, data shows
    Record levels of heat were absorbed last year by Earth’s seas, which have been warming year-on-year for the past decade”

    https://www.theguardian.com/environment/2024/jan/11/ocean-warming-temperatures-2023-extreme-weather-data

    “Astounding” ocean temperatures in 2023 supercharged “freak” weather around the world as the climate crisis continued to intensify, new data has revealed….

    …The most common measure of the climate crisis – global average air temperature – was also driven up in 2023, by a huge margin. But air temperatures are more affected by natural climate variations, including the return last year of the warming El Niño phenomenon….

    …The extraordinary temperatures in 2023 raised the question of whether global heating was accelerating. But Abraham said: “We’re watching for this but, currently, we do not detect a statistically significant acceleration. Right now, it’s basically a linear increase from about 1995.”…

    …The ocean surface temperatures in 2023 were “off the charts”, the researchers said. The primary cause was another year of record carbon emissions, assisted by El Niño. Over the whole year, the average temperature was 0.1C above 2022, but in the second half of 2023 the temperature was an “astounding” 0.3C higher….

    Well, which is it? Astounding and off the charts, or no significant acceleration and basically a linear increase from about 1995?

    And if it’s an increase in “carbon” emissions, what’s the point of all the COPs and the UK’s claims that it’s leading the way? And if it’s El Niño, how is the increase so dramatic so early in the El Niño cycle?

    Liked by 1 person

  41. Mark,

    “Research director for the CSIRO’s Climate Intelligence program Dr Jaci Brown likened El Niño’s behaviour to a chocolate pinwheel.”

    “Without any forecast, there is an equal chance it could be a wet, dry or normal year,” Dr Brown said.

    My head just hit my keyboard. Then your second quote from the Guardian; it’s just unreal the lengths they will go to to dismiss science and evidence in favour of pseudoscience and ideology. I can’t begin to explain how exceptionally dangerous this trend is.

    Liked by 1 person

  42. Nature paper confirms what I’ve been saying for months: 2023 warmth extremely unlikely due to El Nino:

    “Since the state-of-the-art climate models cannot generally reproduce the observed margin, we argue that it is highly unlikely (p ~ 1%) that internal climate variability alone would have caused the large increase in global mean temperature in September 2023. It is therefore likely that other external forcings such as (1) the Raikoke and Hunga Tonga volcanic eruptions8,9 and (2) the removal of sulphur pollution from ships10 have contributed to the observed temperature anomaly.”

    https://www.nature.com/articles/s41612-024-00582-9

    But some people can’t admit that they were wrong. Net Zero Watch claims that David Whitehouse called it right. He did not, which you can see if you go up the thread here.

    Not a good look for the UK’s premier Net Zero sceptical website. Please do better.

    Liked by 1 person

  43. “February on course to break unprecedented number of heat records
    Rapid ocean warming and unusually hot winter days recorded as human-made global heating combines with El Niño”

    https://www.theguardian.com/environment/2024/feb/17/february-on-course-to-break-unprecedented-number-of-heat-records

    February is on course to break a record number of heat records, meteorologists say, as human-made global heating and the natural El Niño climate pattern drive up temperatures on land and oceans around the world.

    A little over halfway into the shortest month of the year, the heating spike has become so pronounced that climate charts are entering new territory, particularly for sea-surface temperatures that have persisted and accelerated to the point where expert observers are struggling to explain how the change is happening….

    They are struggling to explain how the change is happening, because they are struggling to accept that there might be natural causes – in the form of the Hunga Tonga volcanic eruption, and the huge amount of water vapour that it threw up into the atmosphere. After all, it has to be our fault, but the models say “do not compute”:

    …Hausfather said the behaviour of the climate had become more erratic and harder to forecast. “[Last year] defied expectations so much that it’s hard to have as much confidence in the approaches we have used to make these predictions in the past,” he said. “I’d say February 2024 is an odds-on favourite to beat the prior record set in 2016, but it’s by no means a foregone conclusion at this point as weather models suggest that global temperatures will fall back down in the coming week….”…

    …The temperature spikes were expected, though their amplitude came as a surprise. Climatologists are now studying how to attribute weight to the different causes behind such anomalies.

    A strong El Niño has pushed temperatures higher, but Francesca Guglielmo, a Copernicus senior scientist, noted this was only one of several heating factors that worked in combination. Every extra tonne of carbon dioxide emitted by humanity increases pressure on the oceans. In some areas, the anomalous heat has also been intensified by weak trade winds, a lethargic jet stream, fluctuations in North Atlantic circulation and reductions in aerosol pollution, which exposes more of the ocean to the sun.

    Katharine Hayhoe, chief scientist for The Nature Conservancy, said the uncertainty about the interaction of the different factors was a reminder that we do not fully understand every aspect of how the complex Earth system is responding to unprecedented radiative forcing. …

    As the current moderate El Nino fades away, it will be interesting to see whether temperatures turn down. If not, what then for climate scientists and their models? It would appear that the science isn’t settled after all.

    Liked by 1 person

  44. Do you notice that when the WEATHER apparently does not seem to behave as expected (as when temperatures are higher) it is invariably reported as being the CLIMATE that is being affected? Colder than expected weather is either dismissed as being weather or increasingly is being explained away and again attributed to changing climate. Strange that.

    Liked by 1 person

  45. There’s ignoring the elephant in the room and then there’s Hunga Tonga denialism, which now appears to have become a fully fledged pathological mental condition among journalists and certain scientists.

    Liked by 1 person

  46. “What Really Made 2023 a Warm Year?”

    https://dailysceptic.org/2024/02/21/what-really-made-2023-a-warm-one/

    Includes this:

    Hunga Tonga – Hunga Ha’apai

    On January 15th 2022, a massive volcanic eruption in the Pacific Ocean sent a plume of ash, water vapour and other gases into the atmosphere, reaching as high as 55 km – that is through the stratosphere and into mesosphere. It is estimated that 146 mega-tonnes of water vapour were added to the thin stratospheric atmosphere as a result. Pressure shock waves were observed around the world and measured on barometers at ground level. When sulphur dioxide is pumped into the stratosphere it can cool the planet, as occurred with Pinatubo from 1992, but such an excessive amount of water vapour released so high may trap additional heat below. One paper, published in Nature Climate Change, suggested that this could lead to a temporary warming of surface temperatures to 1.5°C above the long-term average within the following decade.

    Liked by 1 person

  47. Douglas Brodie’s comment:

    “If the author’s graph had gone up to the present time it would show that the UAH global average tropospheric temperature (published monthly by custodian Roy Spencer) has undergone a sudden huge spike of almost 1°C in less than a year. Such rapid spikes can only be the result of natural forces, typically El Nino events and certainly not man-made CO2 which alleged only forces global warming at a slow but steady rate of about 0.2°C per decade.
    The current El Nino has been fairly modest and is already waning. The reference to the slow-acting 60-year cycle AMO is a red herring. There can be no doubt that the global warming of 2023 was the result of the Hunga Tonga undersea volcanic eruption which spewed massive quantities of water vapour, the most powerful greenhouse gas, into the stratosphere.
    Meteorological authorities around the world have lied by omission in suppressing information on the Hunga Tonga event so that they could blame the elevated temperatures on man-made CO2 at their COP28 pantomime. They are doubly embarrassed because Hunga has shown that water vapour is a much more potent global warming agent that CO2.”

    The monthly AMO index did spike near the end of 2022 so this might conceivably have had some influence on the sudden spike in warmth starting mid 2023 and the rise in north Atlantic sea surface temperatures in the spring of 2023.

    The cleaner ship fuel legislation came in during 2020, so I can’t really see how that could have affected temperatures suddenly in 2023. El Nino does not explain the dramatic rise in temperature beginning June 2023. It would be nice to see some decent unbiased detailed research on what did really contribute, when and by how much, to the dramatic rise in global mean surface temperature in 2023 (ongoing into 2024).

    Liked by 1 person

  48. It appears the confusion is at an end. Climate scientists bemused by 2023’s surprising heat are bemused no longer – the models have solved their problem, and it’s all down to El Nino. Not a mention of Hunga Tonga:

    “El Niño forecast to drive record heat from the Amazon to Alaska in 2024
    Coastal areas facing ‘enormous and urgent climate crisis’ as event supercharges human-caused global heating, scientists say”

    https://www.theguardian.com/environment/2024/feb/29/el-nino-forecast-record-heat-2024-climate-crisis

    Liked by 1 person

  49. Climate ‘scientist’ and volcanologist Bill MacGuire shared this article on X, also blaming El Nino, so I pointed out some facts to him. He blocked me immediately without even bothering to draft in Jo Brand or some other comedian to convince me of the error of my ways!

    Liked by 2 people

  50. Pretty outrageous front-page website propaganda from the BBC. Even the Guardian occasionally gives Hunga Tonga a passing mention.

    “More climate records fall in world’s warmest February”

    https://www.bbc.co.uk/news/science-environment-68428348

    Last month was the world’s warmest February in modern times, the EU’s climate service says, extending the run of monthly records to nine in a row.

    Each month since June 2023 has seen new temperature highs for the time of year.

    The world’s sea surface is at its hottest on record, while Antarctic sea-ice has again reached extreme lows.

    Temperatures are still being boosted by the Pacific’s El Niño weather event, but human-caused climate change is by far the main driver of the warmth.

    “Heat-trapping greenhouse gases are unequivocally the main culprit,” stresses Prof Celeste Saulo, Secretary General of the World Meteorological Organization….

    Of course, water vapour is a “heat-trapping greenhouse gas”, but it’s only our human-made greenhouse gases that count, apparently. Those gases, and El Nino.

    They acknowledge El Nino doesn’t fully explain it, yet there seems to be no curiosity as what other natural phenomena might explain it – it has to be our fault.

    Researchers are keen to stress that the scale and extent of the oceanic heat is not simply a consequence of the natural weather event known as El Niño, which was declared in June 2023.

    “Ocean surface temperatures in the equatorial Pacific clearly reflect El Niño. But sea surface temperatures in other parts of the globe have been persistently and unusually high for the past 10 months,” explains Prof Saulo.

    “This is worrying and cannot be explained by El Niño alone.”…

    …Scientists are struggling to explain exactly what’s going on….

    …”It’s absolutely frightening. The records are just off [the] scale.”…

    …But as long as human activities keep releasing huge amounts of greenhouse gases, temperatures will continue rising in the long-term, ultimately leading to more records and extreme weather.

    “We know what to do – stop burning fossil fuels and replace them with more sustainable, renewable sources of energy,” says Dr Friederike Otto, senior lecturer in climate science at Imperial College London.

    “Until we do that, extreme weather events intensified by climate change will continue to destroy lives and livelihoods.”

    And climate change is apparently only ever destructive. It never delivers a positive, according to climate scientists.

    Liked by 2 people

  51. “We know what to do – stop burning fossil fuels and replace them with more sustainable, renewable sources of energy,” says Dr Friederike Otto, senior lecturer in climate science at Imperial College London.

    “Until we do that, extreme weather events intensified by climate change will continue to destroy lives and livelihoods.”

    Says the Chinese funded Imperial College ‘scientist’ who used one ‘record’ temperature reading from a 5-rated junk status weather station at Cambridge Botanical Gardens and estimated readings from a day or two earlier when the thermometer’s batteries had failed, to conclude that “the likelihood [of the three day ‘heatwave’] is about 10 times higher (at least 3 times) due to climate change.”

    I’m beginning to intensely dislike Otto; she seems to be one of the worst of a very bad bunch. Her “more sustainable, renewable sources of energy” are about to cost energy bill payers another £1.4bn in subsidies thanks to Jeremy Hunt [rhymes with . . . . . ]

    Liked by 1 person

  52. El Nino is fading fast and subsurface Pacific temperatures are already below normal. Sceptics are anticipating the end of global boiling hysteria, but I think they may end up being disappointed because it was almost certainly NOT El Nino which initiated the global boiling. It would seem this point is very hard to get through to almost everyone commenting on climate at the moment, which is quite weird in itself. What will happen if El Nino continues to fade rapidly but global temperature does not follow suit? The boiling fanatics are just going to scream louder: “We told you so!”

    “Lawks-a-mercy, the oceans have stopped boiling. Cancel the slots on cable news for rising media stars and noted climate hysterics Jim Dale and Donnachadh McCarthy, and loosen the protective clothing for the unhinged UN Secretary-General Antonio ‘Boiling’ Guterres. To be serious, the current strong and natural El Niño event is starting to dramatically collapse with critical ocean temperatures in the central tropical Pacific ocean falling from 2.1°C above normal in late November to 1.3°C. The collapse in temperatures is even more dramatic at the sub-surface 300 metre level. In the western tropical Pacific, the temperature has plummeted by nearly 1.5°C, and the water is now cooler than normal.

    Apart from damaging a few budding media careers, what does this mean? El Niño is a natural transfer of heat between the oceans and the atmosphere that starts in the Pacific regions. The effects of an El Niño are far from completely understood but they are essentially large heat transfers from the tropics to the northern hemisphere. We have experienced three strong El Niños in the last 25 years – 1998, 2016 and 2023 – and in each case they have disrupted weather patterns around the world. This leads to sudden spikes in ocean temperatures and unusual weather events. Over the last year, these events have been ruthlessly catastrophised by activist scientists, politicians and journalists seeking to nudge citizens to accept the collectivist Net Zero agenda.”

    https://dailysceptic.org/2024/03/13/collapsing-el-nino-spells-end-to-year-long-bout-of-climate-hysteria/

    Like

  53. Jaime, those sea temperatures aren’t collapsing, according to the GUardian:

    “Australia faces a hot autumn with Sydney sea temperatures warm enough for a tropical cyclone

    Ocean temperatures are ‘off the charts’, say experts who blame the tide of hot weather on global heating”

    https://www.theguardian.com/australia-news/2024/mar/13/australia-autumn-weather-sydney-sea-temperatures-cyclone-risk

    “Much of Australia is facing a hotter than usual autumn with sea temperatures in Sydney now so warm they could support the formation of tropical cyclones.

    Sea temperatures are required to be above 26.5C for tropical cyclones to form. Temperatures recorded in Sydney by Manly Hydraulics Laboratory have surpassed this temperature, twice recording temperatures of 26.75C in the last week.

    This temperature is approximately 3C above average for March, and the highest recorded in Sydney since 1992, making the temperature of the Tasman Sea akin to Queensland’s tropical waters. The previous record was 26.6C in February 2022….”

    Wouldn’t it be great to have an unbiased organisation, with no axe to grind, no agenda to push, one that simply gave us the unvarnished facts and left us to think about the implications for ourselves? The Guardian and the Daily Sceptic can’t both be right.

    Like

  54. Mark, the DS is talking specifically about temperature in the central Pacific Nino 3.4 region. Average global sea surface temperatures are still riding very high. It will be interesting to see if globally averaged sea and land surface temperature follows ENSO phase (as it has traditionally done over interannual timescales) or whether, in 2024, global mean surface temperature temporarily decouples from ENSO. The MSM are seemingly incapable of addressing this subtle possibility.

    Liked by 1 person

  55. “Hunga Tonga Volcano is “Most Likely” Cause of Recent Warm Temperatures”

    https://dailysceptic.org/2024/03/26/hunga-tonga-volcano-cause-of-recent-high-temperatures-says-scientist/

    “The climate events of 2022-24 have been “truly extraordinary”, notes Dr. Javier Vinós writing in Dr. Judith Curry’s online blog. The rare convergence of a number of events “that may not be repeated for hundreds or even thousands of years” represents a “unique learning opportunity” for climatologists. Interestingly, Dr. Vinós downplays the roll of the current El Niño. He says that the January 2022 Hunga Tonga underwater volcanic eruption, that boosted upper atmospheric water vapour by a remarkable 10%, is the most likely cause of the recent warming, which in turn led to an unprecedented three sudden stratospheric warming events. As the excess water leaves the atmosphere, observes Vinós, it will induce a cooling effect at the surface potentially lowering temperatures for the next three to four years.

    The Hunga Tonga eruption was an extraordinary event since it blasted an enormous amount of water vapour into the upper atmosphere without the usual volcanic ash. Dust particles spread throughout the atmosphere can have a temporary cooling effect, as in 1815 with the Mount Tambora explosion, but water vapour has warming properties and is considered the most potent ‘greenhouse’ gas. “Unlike the lower troposphere, where the greenhouse effect is relatively saturated, the stratosphere, well above the Earth’s average emission altitude (about 6 km), experiences a much more pronounced effect from the addition of water vapour,” he observes.

    The unusual weather events over the last few months have been catnip to alarmists in the general ranks of media, science and politics. The strictures of following the Net Zero political agenda mean that large swathes of climate science are ‘settled’ and out of bounds for discussion. All the changes in the weather and climate are due to humans using hydrocarbons, state the authorities. The constant catastrophising of the recent weather has largely ignored natural variation, and so the heat transfers of El Niño and the boosting of water vapour from Hunga Tonga are relegated to subsidiary footnotes.

    Climate scientists were initially shocked by the ferocity of the Hunga Tunga eruption and the huge plume of water that suddenly shot into the upper atmosphere. Within months a group of European scientists drew attention to the scale of the discharge. They concluded that the unique nature and magnitude of the global stratospheric perturbation caused by the volcano “ranks it among the most remarkable climatic events in the modern observational era, with a range of potential long-lasting repercussions for stratospheric composition and climate”. Since that date there does not appear to have been a great deal of debate about the subject published in the scientific press. The cynical might conclude  that there is not a big demand for anything that might dent all the recent weather propaganda helpfully propping up Net Zero.

    Never before have we witnessed an undersea volcanic eruption with a plume capable of reaching the stratosphere and depositing a large amount of vapourised water, states Dr. Vinós….”

    Liked by 1 person

  56. Mark,

    The BBC are still in Hunga Tonga denier mode where all weather and climate phenomena are either climate change (TM) related or due to ENSO variability.

    https://www.bbc.com/news/uk-england-devon-68666843

    Paul Homewood has a brief post mentioning Javier Vinos’ article at Climate Etc. but commenters are largely sceptical of the influence of the volcano, which is fine, but they should at least endeavour to get their facts right.

    Liked by 1 person

  57. Still no mention of Hunga Tonga:

    “Climate change: ‘Uncharted territory’ fears after record hot March”

    https://www.bbc.co.uk/news/science-environment-68665166

    Climate change could move “into uncharted territory” if temperatures don’t fall by the end of the year, a leading scientist has told the BBC.

    The warning came as data showed last month was the world’s warmest March on record, extending the run of monthly temperature records to 10 in a row.

    It’s fuelled concerns among some that the world could be tipping into a new phase of even faster climate change.

    A weather system called El Niño is behind some of the recent heat.

    Temperatures should temporarily come down after El Niño peters out in coming months, but some scientists are worried they might not.

    “By the end of the summer, if we’re still looking at record breaking temperatures in the North Atlantic or elsewhere, then we really have kind of moved into uncharted territory,” Gavin Schmidt, the director of Nasa’s Goddard Institute for Space Studies, told BBC News...

    …For now, longer term warming trends are still pretty much consistent with expectations, and most researchers don’t yet believe that the climate has entered a new phase.

    But scientists are struggling to explain exactly why the end of 2023 was so warm.

    The March record was expected. El Niño, which began last June and peaked in December, has been adding heat to the warmth put into the atmosphere by the burning of fossil fuels, the main driver of high temperatures.

    But temperatures began breaking records by a particularly large margin around last September, and back then, El Niño was still developing, so can’t explain all of the extra warmth.

    Dr Schmidt is concerned about what this means for predictions going forward.

    “Our predictions failed quite dramatically for the specifics of 2023, and if previous statistics don’t work, then it becomes much harder to say what’s going to happen in the future,” he said.

    “We’re still trying to understand why the situation changed so dramatically in the middle of last year, and how long this situation will continue, whether it is a phase shift or whether it’s a blip in long-term climate trends,” agrees Dr Samantha Burgess from Copernicus.

    The current El Niño is now waning, and will likely end in the next couple of months.…”

    It’s all a mystery, apparently. At least it is if you ignore the elephant in the room.

    Liked by 2 people

  58. Unbelievable isn’t it Mark. The Guardian has a very similar story which I’ve remarked upon which I see you’ve already liked, thanks.

    It very much looks to me like that they are getting ready to blame ‘uncharted global warming territory’ for the anomalous warmth if it doesn’t subside over the summer and with all that stratospheric water vapour still up there, barring the rapid development of a very strong La Nina, it might not.

    The media is slowly but surely ‘nudging’ us into the belief that we have entered a new and frightening era of man-made global warming. Will the public fall for it?

    Liked by 2 people

  59. And now it’s “just stop improving air quality” (I think):

    “Weatherwatch: how reducing air pollution adds to climate crisis

    Aerosols produced by pollution cool the planet; the crusade for clean air is removing this protection”

    https://www.theguardian.com/news/2024/apr/12/weatherwatch-air-pollution-climate-crisis

    “Curbs on the amount of greenhouse gases being pumped into the atmosphere are just one of the ways that politicians are reacting to the scientific evidence that we are damaging our health and our planet. An even greater threat to human life in the short term has been air pollution in the form of particulate matter from the burning of fossil fuels, agriculture and many industrial processes.

    Clean air has become a crusade everywhere from Beijing to London, to save lives and improve economic output. At the same time as damaging lungs and hearts, the aerosols produced by pollution increase cloud formation, change rainfall patterns and reflect sunlight back into space, thus cooling the planet.

    Scientists studying the significant progress that has been made in cutting air pollution this century concluded that this success had also “added considerably to amount of global warming we can expect”. The removal of pollution is already partly responsible for the “unprecedented rate of human-induced warming in the last decade”, they said.

    The problem is that carbon dioxide, methane and nitrous oxide, the main greenhouse gases, remain in the atmosphere for long periods, continuing to add to global heating, while the disappearance of aerosols instantly removes any protection. So, they say, less air pollution means we may expect continued acceleration of surface temperatures this decade.

    At one level, that might be an argument for saying that the impact of greenhouse gases is less than has been suggested. But of course the alarmists will simply say that as we clean our air we are making the climate crisis worse, so we have to double down on reducing greenhouse gases.

    Like

  60. Mark,

    A string of recent global monthly high temperature records has led some scientists to fear that the world could be tipping into a new phase of even faster climate change.

    Scientists say that the months after the end of El Niño will give a strong indication as to whether the recent high temperatures are due to accelerated climate change or not.

    So basically, they’re going to claim that if it does not cool down in the next few months, then we’ve reached a global warming ‘tipping point’! I think this was the plan all along: falsely point the finger at El Nino for unprecedented warming in 2023, then if cooling does not happen after El Nino fades, start scaremongering about a ‘climate crisis tipping point’ aka unforeseen acceleration of global warming. That will keep the climate alarmist bandwagon going for at least another 6 months.

    Liked by 1 person

  61. Doug Brodie has alerted me to an article at the Con:

    https://theconversation.com/tongas-volcanic-eruption-could-cause-unusual-weather-for-the-rest-of-the-decade-new-study-shows-231074

    It looks like the study is question (restricted access) is just a re-publication of a study by the same authors published in Dec 2023, and it looks like the Con article is merely an exercise in propaganda, because it says this:

    In terms of global mean temperatures, which are a measure of how much climate change we are experiencing, the impact of Hunga Tonga is very small, only about 0.015 degrees Celsius. (This was independently confirmed by another study.) This means that the incredibly high temperatures we have measured for about a year now cannot be attributed to the Hunga Tonga eruption.

    The study in 2023 confirms this 0.015C, but this is the globally averaged mean temperature anomaly for years 3-7 (2025-2029). The study says nothing about the short term global response to HTHH, but it does say this:

    The simulations show that the SWV anomalies lead to strong and persistent warming of Northern Hemisphere landmasses in boreal winter, and austral winter cooling over Australia, years after eruption, demonstrating that large SWV forcing can have surface impacts on a decadal timescale. We also emphasize that the surface response to SWV anomalies is more complex than simple warming due to greenhouse forcing and is influenced by factors such as regional circulation patterns and cloud feedbacks. Further research is needed to fully understand the multi-year effects of SWV anomalies and their relationship with climate phenomena like El Nino Southern Oscillation.

    They can’t have it both ways. Even if they claim that Hunga Tonga had no effect on global mean temperature in 2023/24 (which is highly dubious), they can’t then claim unequivocally that the regional variations in seasonal climate, weather, precipitation etc. expected (and probably occurring) as a result of the eruption, for up to 7 years after the eruption, are due to global warming!

    I’ll be exposing these shenanigans in a forthcoming Substack post.

    Liked by 2 people

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