SNAP: ‘Data says global cooling, physical model says it has to be warming’

A global temperature conundrum: Cooling or warming climate? From the University of Wisconsin-Madison MADISON, Wis. — When the Intergovernmental Panel on Climate Change recently requested a figure for its annual report, to show global temperature trends over the last 10,000 years, the University of Wisconsin-Madison’s Zhengyu Liu knew that was going to be a problem.…

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‘Climate models not only significantly over-predict observed warming in the tropical troposphere, but they represent it in a fundamentally different way than is observed’

New Paper by McKitrick and Vogelsang comparing models and observations in the tropical troposphere This is a guest post by Ross McKitrick (at Climate Audit). Tim Vogelsang and I have a new paper comparing climate models and observations over a 55-year span (1958-2012) in the tropical troposphere. Among other things we show that climate models are…

Solar Notch-Delay Model Released

Readers may recall the contentious discussions that occurred on this thread a couple of weeks back. Both Willis Eschenbach and Dr. Leif Svalgaard were quite combative over the fact that the model data had not been released. But that aside, there is good news. David Archibald writes in to tell us that the model has…