December 27, 2022
IPCC Says Global Warming Causes, er, Warming, Not Cooling
John Lees
Just as a basic point regarding the IPCC consensus science on temperature extremes.
They do NOT say that global warming has caused more extreme cold. They do NOT say that global warming is going to cause more extreme cold in the future. They clearly state that global warming has warmed both warm extremes AND WARMED COLD EXTREMES.
I.e. made cold extremes less extreme. Less extremely cold.
This is from the 2021 report. From the chapter on extremes.
So, if anyone asks, why, in a warming climate, are we currently experiencing seemingly colder cold extremes, then this is certainly a valid question.
The consensus science neither predicts more extreme cold, not does it report more extreme cold in its observations.
Many people not familiar with the science are popping up on the internet and claiming that the consensus science predicted this.
It didn't predict it, and it still doesn't predict it.
A consistent observation of more frequent colder cold extremes would indeed be at odds with both the predictions and the current consensus observations.
I thought that it would be useful to refer to the latest IPCC report on this topic. The popular idea that warming causes more extremes of colder cold, does not tally with the claims made by the top climate scientists in their official report.
Tim adds:
Yesterday I was watching (as much as I could stand of it) some news program (I think PBS Newshour) and they interviewed a meteorologist who was blaming the big snow in Buffalo New York on Global Warming. His reasoning "as the Great Lakes warm it will increase lake-effect snow". ????? How did this wizard of wisdom account for all the snow we got all over the rest of the country? How does he account for the bitter cold snap we had? We've had below freezing temperatures in the deep southern states here in America. But he zeroes in on Buffalo, which has always been buried in snow when it gets cold. How can anyone blame a warmer world for cold and snow is beyond me. But then everything is subsumed into their paradigm.
Just as a basic point regarding the IPCC consensus science on temperature extremes.
They do NOT say that global warming has caused more extreme cold. They do NOT say that global warming is going to cause more extreme cold in the future. They clearly state that global warming has warmed both warm extremes AND WARMED COLD EXTREMES.
I.e. made cold extremes less extreme. Less extremely cold.
This is from the 2021 report. From the chapter on extremes.
So, if anyone asks, why, in a warming climate, are we currently experiencing seemingly colder cold extremes, then this is certainly a valid question.
The consensus science neither predicts more extreme cold, not does it report more extreme cold in its observations.
Many people not familiar with the science are popping up on the internet and claiming that the consensus science predicted this.
It didn't predict it, and it still doesn't predict it.
A consistent observation of more frequent colder cold extremes would indeed be at odds with both the predictions and the current consensus observations.
I thought that it would be useful to refer to the latest IPCC report on this topic. The popular idea that warming causes more extremes of colder cold, does not tally with the claims made by the top climate scientists in their official report.
Tim adds:
Yesterday I was watching (as much as I could stand of it) some news program (I think PBS Newshour) and they interviewed a meteorologist who was blaming the big snow in Buffalo New York on Global Warming. His reasoning "as the Great Lakes warm it will increase lake-effect snow". ????? How did this wizard of wisdom account for all the snow we got all over the rest of the country? How does he account for the bitter cold snap we had? We've had below freezing temperatures in the deep southern states here in America. But he zeroes in on Buffalo, which has always been buried in snow when it gets cold. How can anyone blame a warmer world for cold and snow is beyond me. But then everything is subsumed into their paradigm.
Posted by: Timothy Birdnow at
08:36 AM
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Not to mention the question of where does he get the idea that the Great Lakes have warmed? Citation (from him) please. I have never once read any mention that the Great Lakes have warmed or that warming of them is expected to have any effect on... Oh, screw it.
Posted by: Bill H at December 27, 2022 09:54 AM (Q7br2)
2
Not to mention that the topic is not snow in Buffalo, it's colder weather generally, including Florida. Dimwit. It's called diversionary tactics.
Posted by: Bill H at December 27, 2022 09:56 AM (Q7br2)
3
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Posted by: smmheart at December 28, 2022 01:40 AM (BRZjr)
4
That's exactly right Bill; there is evidence of slight warming of surface temperatures of the lakes https://www.epa.gov/climate-indicators/great-lakes (which is a shame since a warmer Great Lakes would be a terrific playground!) but even if that is it is very doubtful there would be a major increase in lake effect snow from it - especially during a blizzard.
And, as you say, it's about the weather in general, not about a specific spot. Microclimates change all the time.
Buffalo has had such snowfalls before, I might add. In December of 2001 it got 82.7 inches, well above the 558 inches this month. So it's gone down since 2001; what does that tell us about global warming? Does that mean it's getting colder? Hotter?
It means nothing of course. Normal variations.
And, as you say, it's about the weather in general, not about a specific spot. Microclimates change all the time.
Buffalo has had such snowfalls before, I might add. In December of 2001 it got 82.7 inches, well above the 558 inches this month. So it's gone down since 2001; what does that tell us about global warming? Does that mean it's getting colder? Hotter?
It means nothing of course. Normal variations.
Posted by: Timothy Birdnow at December 28, 2022 08:59 AM (QM0VA)
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