Figure 3  Illustration from RealClimate Post

On Steinman et al. (2015) – Michael Mann and Company Redefine Multidecadal Variability And Wind Up Illustrating Climate Model Failings

Guest Post By Bob Tisdale For the past few years, we’ve been showing in numerous blog posts that the observed multidecadal variations in sea surface temperatures of the North Atlantic (known as the Atlantic Multidecadal Oscillation) are not represented by the forced components of the climate models stored in the CMIP5 archive (which were used…

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Are Climate Modelers Scientists?

Guest essay by Pat Frank For going on two years now, I’ve been trying to publish a manuscript that critically assesses the reliability of climate model projections. The manuscript has been submitted twice and rejected twice from two leading climate journals, for a total of four rejections. All on the advice of nine of ten…

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Believing In Six Impossible Things Before Breakfast, And Climate Models

Dr. Chris Essex: Why Computers Cannot Reproduce The Climate, Never Mind Predicting Its Future A GWPF talk by Dr Christopher Essex – Chairman, Permanent Monitoring Panel on Climate, World Federation of Scientists, and Professor and Associate Chair, Department of Applied Mathematics, University of Western Ontario (Canada) in London, 12 February 2015 Has the scientific problem…

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Does the Uptick in Global Surface Temperatures in 2014 Help the Growing Difference between Climate Models and Reality?

Guest Post by Bob Tisdale This post includes calendar year 2014 global surface temperature data from GISS and NCDC. I thought it would be interesting to begin the introduction as if GISS and NCDC were announcing year-end business profits at their press conference today. [sarc on.] INTRODUCTION Today, two of the world’s climate-industry giants—the NASA…