The fifth international conference on regional climate (ICRC 2023), organised by World Climate Research Programme's (WCRP) coordinated downscaling experiment (CORDEX), has just completed. It was a hybrid on-site/online conference with hubs in both Trieste/Italy (hosted by the International Centre on Theoretical Physics, ICTP) and Pune/India. The hybrid set-up, with video links between the two … Read Full Article about The 5th International Conference on Regional Climate
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Unforced variations: Oct 2023
This month's open thread on climate topics. Please try to stay on topic and refrain from posting tedious, oft-debunked nonsense. Look out for more reports of ridiculously high global temperatures and intense rainfall, and more confident predictions of the budding El Niño event and annual temperature … Read Full Article about Unforced variations: Oct 2023
The Scafetta Saga
It has taken 17 months to get a comment published pointing out the obvious errors in the paper in GRL. Back in March 2022, Nicola Scafetta published a short paper in Geophysical Research Letters (GRL) purporting to show through 'advanced' means that 'all models with ECS > 3.0°C overestimate … Read Full Article about The Scafetta Saga
As Soon as Possible
The latest contrarian crowd pleaser from is just the latest repetition of the old "it was the sun wot done it" trope[1] that Willie Soon and his colleagues have been pushing for decades. There is literally nothing new under the sun. … Read Full Article about As Soon as Possible
Unforced variations: Sep 2023
This month's open thread on climate science topics. It's been a warm summer, dontcha know? Expect ERA5, the satellite data and then the surface data products to confirm this in the next week or so. Sea ice minimum in the Arctic will also occur soon, as will a record low maximum in the Antarctic. El … Read Full Article about Unforced variations: Sep 2023
The AMOC: tipping this century, or not?
A few weeks ago, a study by Copenhagen University researchers Peter and Susanne Ditlevsen concluded that the Atlantic Meridional Overturning Circulation (AMOC) is likely to pass a tipping point already this century, most probably around mid-century. Given the catastrophic consequences of an AMOC … Read Full Article about The AMOC: tipping this century, or not?
Unforced Variations: Aug 2023
This month’s open thread for climate topics. Has anyone noticed how warm it’s been? Someone should probably look into that… … Read Full Article about Unforced Variations: Aug 2023
What is happening in the Atlantic Ocean to the AMOC?
For various reasons I'm motivated to provide an update on my current thinking regarding the slowdown and tipping point of the Atlantic Meridional Overturning Circulation (AMOC). I attended a two-day AMOC session at the IUGG Conference the week before last, there's been interesting new papers, and in … Read Full Article about What is happening in the Atlantic Ocean to the AMOC?
Area-based global hydro-climatological indicators
The World Meteorological Organisation (WMO) Global Climate Observing System (GCOS) and Copernicus Climate Change Services (C3S) both provide sets of global climate statistics to summarise the state of Earth’s climate. They are indeed valuable indicators for the global or regional mean temperature, … Read Full Article about Area-based global hydro-climatological indicators
Back to basics
You can tell how worried the climate deniers are by how many fields of science they have to trash to try and have people not see what’s happening. it will not have escaped most people’s notice that global temperatures are heading into uncharted territory. The proximate cause of this week’s … Read Full Article about Back to basics
Unforced variations: July 2023
This month's open thread for climate topics. Let the (northern hemisphere) heat wave and wildfire smoke season begin! … Read Full Article about Unforced variations: July 2023