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 September 2014 and HADCRUT4 and NCDC through August 2014—and of the two suppliers of satellite-based lower troposphere temperature data (RSS and UAH) through September 2014.
The three surface data suppliers have been claiming record high monthly values recently. This is, in part, due to the record high sea surface temperatures in the North Pacific, which impact the global data because of the size of the North Pacific and the intensity of the weather-related warming there. For further information about the unusual warming of the North Pacific, see the post On The Recent Record-High Global Sea Surface Temperatures – The Wheres and Whys. I will discuss that North Pacific hotspot (a.k.a. the blob) again in an upcoming post.
The other factors that contributed to the…
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