Tag Archives: Climate model

Watt about climate models running way too hot?

Bjorn Lomborg has a new Guest essay on Watts Up With That (WUWT) called climate models are running way too hot. The post says Over the past 30 years, they are at least predicting 71% too much heat. Maybe 159%. … Continue reading

Posted in Anthony Watts, Climate change, Global warming, Watts Up With That | Tagged , , , , , | 30 Comments

Overestimating global warming?

There is a new Nature Climate Change commentary called Overestimating global warming over the past 20 years. It’s by John Fyfe, Nathan Gillet, and Francis Zwiers. I’ve been trying to find out what the criteria are for a commentary in … Continue reading

Posted in Climate change, Global warming | Tagged , , , , , | 125 Comments

Areas of expertise and climate modelling

Someone (I forget who) yesterday tweeted a link to a paper called Climate models, Calibration and Confirmation by Katie Steele and Charlotte Werndl. I haven’t read the paper in detail and this post isn’t really about this paper specifically. As … Continue reading

Posted in Climate change, Global warming | Tagged , , , , , , | 14 Comments

Watt about the failure of the climate models?

There is an interesting news item in Nature about how an attempt to do short-term climate modelling has been largely unsuccessful. The article says In preparation for the IPCC report, the first part of which is due out in September, … Continue reading

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Watt about Chip and Paddy?

Watts Up With That (WUWT) has a new post called policy implications of climate models on the verge of failure. It discusses a poster presented by Paul C (Chip) Knappenberger and Patrick J. Michaels (Center for the Study of Science, … Continue reading

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Tests of a climate forecast

Thanks to a comment by Rachel, I’ve been made aware of a recent paper by Myles Allen called Tests of a decadal climate forecast. The paper is actually a short comment to the Editor and presents a comparison of the … Continue reading

Posted in Climate change, Climate sensitivity, Global warming | Tagged , , , , , , | 18 Comments

Sympathy for the climate models?

There was a comment on one of my previous posts suggesting that I should stop being “sympathetic” towards climate models since, without criticism, climate scientists will never put any effort into correcting the problems with their models. The suggestion being … Continue reading

Posted in Climate change, Global warming | Tagged , , , , , , , , , | 12 Comments

Watt about the ensemble of models?

Robert G. Brown (who posts as rgbatduke) has a new “sticky” post at Watts Up With That (WUWT) called the ensemble of models is completely meaningless, statistically. What Robert G. Brown says in this post is by forming a mean … Continue reading

Posted in Anthony Watts, Climate change, Global warming, Roy Spencer, Watts Up With That | Tagged , , , , , , , | 60 Comments

The Transient Climate Response and the Equilibrium Climate Sensitivity

There seems to have quite a lot of dicussion recently on Watts Up With That (WUWT) about climate sensitivity, in particular the Transient Climate Response (TCR) and the Equilibrium Climate Sensitivity (ECS). Some of what has been claimed on WUWT … Continue reading

Posted in Anthony Watts, Climate change, Climate sensitivity, Global warming, Watts Up With That | Tagged , , , , , , , , | 3 Comments

Watt about the anti-information?

There is a new post on Watts Up With That (WUWT) by Cato Boffins Patrick J. Michaels and Paul C. “Chip” Knappenberger. The post is called anti-information in climate models. The post considers the two models evaluated by the first … Continue reading

Posted in Anthony Watts, Climate change, Global warming, Watts Up With That | Tagged , , , , , , | 12 Comments