Notes on the February Global Temperature Anomaly

Guest post by John Kehr With two completed months of the year there is starting to be discussion of how 2013 is shaping up for the annual anomaly.  Several comments around the web have caught my attention as they demonstrate a basic misunderstanding of how the Earth’s climate is behaving.  This is one of those…

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NASA satellite data shows a decline in water vapor

Guest post submitted by Ken Gregory, Friends of Science.org An analysis of NASA satellite data shows that water vapor, the most important greenhouse gas, has declined in the upper atmosphere causing a cooling effect that is 16 times greater than the warming effect from man-made greenhouse gas emissions during the period 1990 to 2001. The…

Dr. Roy Spencer’s Sea Surface Temperatures

Guest Post by Willis Eschenbach Over at Roy Spencer’s excellent web site, Dr. Roy has a post up showing a sea surface temperature (SST) anomaly calculated from AMSR-E, TMI, and WindSat. Here’s his post of the results: Figure 1. Global Microwave Sea Surface Temperature Update for Feb. 2013: -0.01 deg. C Regarding these results, Dr.…

Hump day hilarity: Science by astroturfing

Josh writes: A bit of an anniversary cartoon as it was a year ago this month that The Tree Hut Gang (Skeptical Science) were exposed in Opengate. Now they have branched out into Spamvertizing (H/t Lucia) with Al Gore’s Climate Reality Project. Read about on BH here, Lucia’s here and WUWT here.