Monthly Archives: August 2020

New confirmation that climate models overstate atmospheric warming

Posted on August 25, 2020 by | 154 comments

by Ross McKitrick

Two new peer-reviewed papers from independent teams confirm that climate models overstate atmospheric warming and the problem has gotten worse over time, not better.

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154 Comments

Posted in climate models

New paper suggests historical period estimates of climate sensitivity are not biased low by unusual variability in sea surface temperature patterns

Posted on August 24, 2020 by | 18 comments

By Nic Lewis

An important new paper by Thorsten Mauritsen, Associate Professor at Stockholm University[i] and myself has just been accepted for publication (Lewis and Mauritsen 2020)[ii]. Its abstract reads: Continue reading →

18 Comments

Posted in Sensitivity & feedbacks

Emergent constraints on TCR and ECS from historical warming in CMIP5 and CMIP6 models

Posted on August 19, 2020 by | 65 comments

By Nic Lewis

This is a brief comment on a new paper[i] by a mathematician in the Exeter Climate Systems group, Femke Nijsse, and two better known colleagues, Peter Cox and Mark Williamson. I note that Earth Systems Dynamics published the paper despite one of the two peer reviewers recommending against acceptance without further major revisions. But neither of the reviewers appear to have raised the issue that I focus on here. Continue reading →

65 Comments

Posted in climate models, Scientific method, Sensitivity & feedbacks