Annual Global Lower Troposphere Temperature (TLT) Anomaly Update – Distant Third Warmest for 2015

Hare are some facts to prepare you for the hottest year discussion at the office coffee bar and at Sunday dinner with your liberal friends.

Watts Up With That?

Guest Post by Bob Tisdale

As expected, annual global lower troposphere temperature (TLT) anomalies in 2015 for both the RSS and UAH datasets ranked a remote third warmest.  See Figures 1 through 3.

Figure 1

Figure 1 (RSS)

# # #

Figure 2

Figure 2 (UAH)

# # #

Figure 3

Figure 3 (RSS-UAH Comparison)

RSS data through December 2015 are here.  UAH data (beta 6.4) are here through November, and the December 2015 value of +0.44 deg C is from Dr. Roy Spencer’s blog post here.

Keep in mind, however, that lower troposphere temperature anomalies are expected to rise sharply in 2016 in a lagged response to the 2015/16 El Niño. See the post Evolutions of Global Surface and Lower Troposphere Temperature Anomalies in Responses to the 1997/98 and 2015/16 El Niños.

Next on the list is a post presenting meteorological annual mean (December-November) surface and lower troposphere temperature anomalies. I’m waiting for…

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About Russ Steele

Freelance writer and climate change blogger. Russ spent twenty years in the Air Force as a navigator specializing in electronics warfare and digital systems. After his service he was employed for sixteen years as concept developer for TRW, an aerospace and automotive company, and then was CEO of a non-profit Internet provider for 18 months. Russ's articles have appeared in Comstock's Business, Capitol Journal, Trailer Life, Monitoring Times, and Idaho Magazine.
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