Our annual post related to the comparisons between long standing records and climate models. As frequent readers will know, we maintain a page of comparisons between climate model projections and the relevant observational records, and since they are mostly for the global mean numbers, these get updated once the temperature products get updated for the prior full year. This has now been … Read Full Article about 2022 updates to model-observation comparisons
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2022 updates to the temperature records
Another January, another annual data point. As in years past, the annual rollout of the GISTEMP, NOAA, HadCRUT and Berkeley Earth analyses of the surface temperature record have brought forth many stories about the long term trends and specific events of 2022 - mostly focused on the impacts of the (ongoing) La Niña event and the litany of weather extremes (UK and elsewhere having record years, … Read Full Article about 2022 updates to the temperature records
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Serious mistakes found in recent paper by Connolly et al.
Guest post by Mark Richardson who is a Research Scientist in the Aerosol and Clouds Group at NASA’s Jet Propulsion Laboratory, California Institute of Technology. All opinions expressed are his own and do not in any way represent those of NASA, JPL or Caltech. Should scientists choose to believe … Read Full Article about Serious mistakes found in recent paper by Connolly et al.
New misguided interpretations of the greenhouse effect from William Kininmonth
I have a feeling that we are seeing the start of a new wave of climate change denial and misrepresentation of science. At the same time, CEOs of gas and oil companies express optimism for further exploitation of fossil energy in the wake of Russia’s invasion of Ukraine, at least here in … Read Full Article about New misguided interpretations of the greenhouse effect from William Kininmonth
Unforced variations: Feb 2023
This month's open thread for climate related topics. Please be constructive, polite, and succinct. … Read Full Article about Unforced variations: Feb 2023
Unforced variations: Jan 2023
Starting a little slowly this new year, but here is this month's open thread. Look out for various updates of the annual 2022 numbers over the next week or so... … Read Full Article about Unforced variations: Jan 2023
The water south of Greenland has been cooling, so what causes that?
Let’s compare two possibilities by a back-of-envelope calculation. (1) Is it due to a reduced heat transport of the Atlantic Meridional Overturning Circulation (AMOC)? (2) Or is it simply due to the influx of cold meltwater as the Greenland Ice Sheet is losing ice? The latter is often … Read Full Article about The water south of Greenland has been cooling, so what causes that?
Unforced variations: Dec 2022
This month's open thread for climate discussions. Please be constructive and polite. … Read Full Article about Unforced variations: Dec 2022
Unforced variations: Nov 2022
This month's open thread. Anyone read Greta Thunberg's book? or have an opinion about soup? Be substantive, be polite, be talking about climate. … Read Full Article about Unforced variations: Nov 2022
The #ConcordOslo2022 workshop
In recent years, the idea of climate change adaptation has received more and more attention and has become even more urgent with the unfolding of a number of extreme weather-related calamities. I wrote a piece on climate change adaptation last year here on RealClimate, and many of the issues that I … Read Full Article about The #ConcordOslo2022 workshop
Scafetta comes back for more
[latexpage] A new paper from Scafetta and it's almost as bad as the last one. Back in March, we outlined how a model-observations comparison paper in GRL by Nicola Scafetta () got wrong basically everything that one could get wrong (the uncertainty in the observations, the internal variability … Read Full Article about Scafetta comes back for more
Unforced variations: Oct 2022
This month's open thread on climate-related topics (sorry for the slight delay in setting it up). As usual, try to limit yourself to one comment a day, don't be unnecessarily aggressive and try to be substantive. … Read Full Article about Unforced variations: Oct 2022