Johnstone and Mantua SST1

Researchers Find Northeast Pacific Surface Warming (1900-2012) Caused By Changes in Atmospheric Circulation, NOT Manmade Forcings

Guest Post by Bob Tisdale UPDATE:  See the update at the end of the post. One of the authors of the paper has joined us here at WUWT. # # # This is a revisit of a paper already discussed in the WUWT post Surprising PNAS paper: CO2 emissions not the cause of U.S. West…

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The 2-Deg Global-Warming Limit

Guest Post by Bob Tisdale Politicians from around the globe gather annually in the UNFCCC meetings so they can propose and fail to come to worthwhile agreements on how to limit global warming and its impacts.  Year in, year out, same thing.  For the results of the most recent failed gathering, see the WattsUpWithThat post…

00 Model-Data Difference

November 2014 Global Surface (Land+Ocean) and Lower Troposphere Temperature Anomaly & Model-Data Difference 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 November 2014 and HADCRUT4 and NCDC through October 2014—and of the two suppliers of satellite-based lower troposphere temperature data (RSS and UAH) through November 2014. The three surface data suppliers…

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The Nonsensical “Just What AGW predicts” and Other Claims By Alarmists about “Record-High” Global Sea Surface Temperatures in 2014

Guest Post by Bob Tisdale Many of the visitors here at ClimateObservations and at WattsUpWithThat also spend time arguing with climate alarmists at other websites around the blogosphere. With global sea surface temperatures at record high levels in 2014, the true-blue believers in the hypothesis of human-induced global warming are out in force. This post…

California Nino-Nina

California Niño/Niña

Guest Post by Bob Tisdale This is a quick post about a coupled ocean-atmosphere phenomenon that had previously not been described. The paper flew by under the radar back in April. Initial Note: The “California Niño/Niña” is said to be independent of the El Niño and La Niña events taking place in the equatorial Pacific.…