Some of the authors of a recent commentary on k-scale modeling respond to RealClimate. … Read Full Article about Overselling k-scale? Hmm
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Mmm-k scale climate models
By Gavin 19 Comments
What's good (and what's not quite ready) about plans for 'k-scale' climate modeling? … Read Full Article about Mmm-k scale climate models
Recent Posts
Unforced Variations: July 2022
This month's open thread. Please keep to climate-related issues, stay substantive, no abuse, no repetition, one-comment per day. … Read Full Article about Unforced Variations: July 2022
Unforced variations: June 2022
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This month's open thread. New commenting rules (as described last month) remain in effect. Basically, be substantive, one comment a day, remain polite. … Read Full Article about Unforced variations: June 2022
Unforced Variations: May 2022
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Sorry for delay posting this month, but we've been considering how (or if) to go forward with open threads and comments. Looking at the multitude of constructive comments on the "End of blog comments" thread, it's clear that many people appreciate the possibility of comments here, but that too often … Read Full Article about Unforced Variations: May 2022

River Ice break-up trends 2022
By Gavin
As in previous years, the spring break-up of river ice on the Tanana River at Nenana and the Yukon River at Dawson City in Canada (new! h/t Ed Wiebe), is a great opportunity to highlight phenology that indicates that the planet is in fact reacting to the ongoing global warming. As we've done in … Read Full Article about River Ice break-up trends 2022

Digital Twinge
By Gavin
A couple of weeks ago the EU announced that they were funding a project called DestinE (Destination Earth) to build 'digital twins' of the Earth System to support policy making and rapid reaction to weather and climate events. While the term 'digitial twin' has a long history in the engineering … Read Full Article about Digital Twinge

The modern demarcation problem
By Gavin
Defining (and enforcing) a clear line between information and mis-information is impossible, but that doesn't mean misinformation doesn't exist or that there is nothing to be done to combat it. I found myself caught in an 'interesting' set of exchanges on twitter a few weeks ago (I won't link to … Read Full Article about The modern demarcation problem

Issues and Errors in a new Scafetta paper
By Gavin
Earlier this week, a new paper appeared in GRL by Nicola Scafetta which purported to conclude that the CMIP6 models with medium or high climate sensitivity (higher than 3ºC) were not consistent with recent historical temperature changes. Since there have been a number of papers already on this … Read Full Article about Issues and Errors in a new Scafetta paper

The Future of Climate Modeling?
By Gavin
There was an interesting workshop last week focused on the Future of Climate Modelling. It was run by the World Climate Research Program (WCRP) Core Project on Earth System Modelling and Observations (ESMO) which is part of a bewildering alphabet soup of various advisory committees that exist for … Read Full Article about The Future of Climate Modeling?
The end of blog comments?
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Over the last decade, commenting has dramatically moved from specific web-sites to general social media platforms, radically changing how people interact with longer-form content (such as blogs, substacks, newspapers and journalism). No single site can compete with the breadth of audience and … Read Full Article about The end of blog comments?
Forced responses: Mar 2022
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This month's open thread on climate solutions. … Read Full Article about Forced responses: Mar 2022
