+0.20 deg. C – Watts Up With That?

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+0.20 deg. C – Watts Up With That?

Reposted by Dr. Roy Spencer’s blog

March 3, 2021 by Roy W. Spencer, Ph. D.

The global average lower tropospheric temperature (LT) anomaly of version 6.0 for February 2021 was +0.20 degrees. C, from January 2021 value of +0.12 degrees. C.

REMEMBER: We changed the 30-year averaging period from which we calculate anomalies from 1991-2010 to 1991-2020. This change does not affect temperature trends.

The linear warming trend since January 1979 has remained at +0.14 ° C / decade (+0.12 ° C / decade above the globally averaged oceans and +0.18 C / decade above the globally averaged country).

Various regional LT deviations from the 30-year average (1991-2020) over the last 14 months are:

YEAR MO GLOBE NHEM. SHEM. TROPIC USA48 ARCTIC AUST
2020 01 0.42 0.44 0.41 0.52 0.57 -0.22 0.41
2020 02 0.59 0.74 0.45 0.63 0.17 -0.27 0.20
2020 03 0.35 0.42 0.28 0.53 0.81 -0.96 -0.04
2020 04 0.26 0.26 0.25 0.35 -0.70 0.63 0.78
2020 05 0.42 0.43 0.41 0.53 0.07 0.83 -0.20
2020 06 0.30 0.29 0.30 0.31 0.26 0.54 0.97
2020 07 0.31 0.31 0.31 0.28 0.44 0.26 0.26
2020 08 0.30 0.34 0.26 0.45 0.35 0.30 0.25
2020 09 0.40 0.41 0.39 0.29 0.69 0.24 0.64
2020 10 0.38 0.53 0.22 0.24 0.86 0.95 -0.01
2020 11 0.40 0.52 0.27 0.17 1.45 1.09 1.28
2020 12 0.15 0.08 0.22 -0.07 0.29 0.43 0.13
2021 01 0.12 0.34 -0.09 -0.08 0.36 0.49 -0.52
2021 02 0.20 0.32 0.08 -0.14 -0.66 0.07 -0.27

The full UAH Global Temperature Report as well as the picture of the global anomaly of the LT grid point for February 2021 should be available here in the next few days.

The global and regional monthly anomalies for the various atmospheric layers we monitor should be available in the next few days at the following locations:

Lower troposphere: http://vortex.nsstc.uah.edu/data/msu/v6.0/tlt/uahncdc_lt_6.0.txt
Mid-Troposphere: http://vortex.nsstc.uah.edu/data/msu/v6.0/tmt/uahncdc_mt_6.0.txt
Tropopause: http://vortex.nsstc.uah.edu/data/msu/v6.0/ttp/uahncdc_tp_6.0.txt
Lower stratosphere: http://vortex.nsstc.uah.edu/data/msu/v6.0/tls/uahncdc_ls_6.0.txt

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