Figure 7

On the Elusive Absolute Global Mean Surface Temperature – A Model-Data Comparison

Guest Post by Bob Tisdale With the publication of the IPCC 5th Synthesis Report, I thought there might be some interest in a presentation of how well (actually poorly) climate models simulate global mean surface temperatures in absolute terms. That is, most climate model outputs are presented in terms of anomalies, with data shown as…

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11 Averages

August 2014 Global Surface (Land+Ocean) and Lower Troposphere Temperature Anomaly Update

Guest Post by Bob Tisdale This post provides an update of the data for the three primary suppliers of global land+ocean surface temperature data—GISS through August 2014 and HADCRUT4 and NCDC through July 2014—and of the two suppliers of satellite-based lower troposphere temperature data (RSS and UAH) through August 2014. Initial Notes: GISS LOTI, and…

NASA GISS runs ‘hot’ and ‘cold’ as an outlier again

NASA GISS Version 3 vs. Version 2, using HadCRUT.4 Version differences as a baseline Guest essay by David Dohbro Recently the climate blogosphere has uncovered the effects of adjusting past and present United States’ land-temperature data as measured by the United States Historical Climatology Network (USHCN) and how that possible affects the temperature records as…

Gavin Schmidt is the new James Hansen

NASA Names Schmidt Director of the Goddard Institute for Space Studies, gets honorary lunch ticket to Tom’s Restaurant. NASA has named Gavin A. Schmidt to head the agency’s Goddard Institute for Space Studies (GISS) in New York, a leading Earth climate research laboratory. Currently deputy director of the institute, Schmidt steps into the position left…