Sorry this update is late. I got sidetracked with the post about Risbey et al. (2014), and the post about the new climate model, now with knobs. This post provides…
Category: NASA GISS
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…
May 2014 Global Surface (Land+Ocean) and Lower Troposphere Temperature Anomaly Update
This post updates the data for the three primary suppliers of global land+ocean surface temperature data—GISS through May 2014 and HADCRUT4 and NCDC through April 2014—and of the two suppliers…
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…
April 2014 Global Surface (Land+Ocean) and Lower Troposphere Temperature Anomaly Update
Initial Notes: This is the first monthly update to include lower troposphere temperature (TLT) anomaly data. To make this post as timely as possible, only GISS LOTI and the two…
On the Differences and Similarities between Global Surface Temperature and Lower Troposphere Temperature Anomaly Datasets
UPDATE: See the correction at the end of the post, which pertained to the discussion of the trend maps in Figures 13 and 14. I’ve crossed out the paragraph between…
March 2014 Global Surface (Land+Ocean) Temperature Anomaly Update
INITIAL QUESTION Once upon a time, the NCDC published its monthly global land+ocean surface temperature anomaly data around the 15th of the month. They have recently relaxed the dates of…
GISS LOTI & NCDC Global Temperature Data Drop in February 2014
This post will serve as February 2014 Global Surface (Land+Ocean) Temperature Anomaly Update First GISS: Global surface temperatures, as represented by the GISS Land-Ocean Temperature Index (LOTI) data, dropped about…
The Shindell climate sensitivity paper: another 'GISS miss'
There was lots of breathless anticipation last week over the Drew Shindell paper on climate sensitivity, which was embargoed until 1800GMT on Sunday (see the embargoed PR from Nature here),…
January 2014 Global Surface (Land+Ocean) Temperature Anomaly Update
Initial Notes: This post contains graphs of running trends in global surface temperature anomalies for periods of 13+ and 16+ years using GISS global (land+ocean) surface temperature data. They indicate…
Why Aren’t Global Surface Temperature Data Produced in Absolute Form?
The title question often appears during discussions of global surface temperatures. That is, GISS, Hadley Centre and NCDC only present their global land+ocean surface temperatures products as anomalies. The questions…
Another Year, Another Nail in the CAGW Coffin (Now Includes December Data)
Image Credit: WoodForTrees.org Guest Post By Werner Brozek, Edited By Just The Facts CAGW refers to Catastrophic Anthropogenic Global Warming. Few people doubt that humans have some influence on climate,…
Also-Rans: NCDC and GISS Global Surface Temperatures Finish 4th and 7th for 2013
Not a win, place or show between them. In other words, global surface temperatures are still stalled in the post-1997/98-El-Niño era. They are patiently waiting for another strong El Niño…
November 2013 Global Surface (Land+Ocean) Temperature Anomaly Update
In addition to their monthly global land-ocean temperature index (LOTI) data, GISS also lists quarterly and two annual (December to November and January to December) data. (Source here.) The annual…
October 2013 Global Surface (Land+Ocean) Temperature Anomaly Update
The following graph is of annual global surface temperature anomalies, including year-to-date 2013 values. The base years for anomalies are 1981-2010. The GISS and NCDC data run through October 2013,…
September 2013 Global Surface (Land+Ocean) Temperature Anomaly Update
Sorry this is so late. The NCDC and GISS updates were delayed by the government shutdown. Because it is so late, it includes the September 2013 HADCRUT4 data from the…
July 2013 Global Surface (Land+Ocean) Temperature Anomaly Update
My apologies for the delay. I was waiting for the NCDC to update their data webpage here. As of this morning, the NCDC has not updated it, so I used…
June 2013 Global Surface (Land+Ocean) Temperature Anomaly Update
Initial Notes: This post contains graphs of running trends in global surface temperature anomalies for periods of 12+ and 16 years using HADCRUT4 data. They indicate that we have not…
A frank admission about the state of modeling by Dr. Gavin Schmidt
This is something I never expected to see in print. Climate modeler Dr. Gavin Schmidt of NASA GISS comments on the failure of models to match real world observations.
February 2013 Global Land+Sea Surface Temperature Anomaly Update
It has been a while since I’ve presented the GISS, UK Met Office and NCDC global land surface air temperature plus sea surface temperature products. I’ve decided to add them…
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