+0.27 deg. C – Watts Up With That?

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+0.27 deg. C – Watts Up With That?

From Dr. Roy Spencer's blog

January 2, 2021 by Roy W. Spencer, Ph. D.

The global average lower tropospheric temperature (LT) anomaly of version 6.0 for December 2020 was +0.27 degrees. C, well below the value of +0.53 degrees from November 2020. C. For comparison, the global CDAS anomaly of the surface temperature for the last 30 days at Weatherbell.com was +0.31 degrees. C.

2020 ended as the second warmest year in the 42-year tropospheric satellite temperature record at +0.49 degrees. C, behind the 2016 value of +0.53 degrees. C.

The cooling in December was greatest across the country, dropping 0.60 degrees after one month. C, the sixth largest failure in 504 months. This is likely the result of the ongoing La Nina.

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 (1981-2010) over the last 24 months are:

YEAR MO GLOBE NHEM. SHEM. TROPIC USA48 ARCTIC AUST
2019 01 +0.38 +0.35 +0.41 +0.36 +0.53 -0.14 +1.14
2019 02 +0.37 +0.46 +0.28 +0.43 -0.03 +1.05 +0.05
2019 03 +0.34 +0.44 +0.25 +0.41 -0.55 +0.97 +0.58
2019 04 +0.44 +0.38 +0.51 +0.54 +0.49 +0.93 +0.91
2019 05 +0.32 +0.29 +0.35 +0.39 -0.61 +0.99 +0.38
2019 06 +0.47 +0.42 +0.52 +0.64 -0.64 +0.91 +0.35
2019 07 +0.38 +0.32 +0.44 +0.45 +0.10 +0.34 +0.87
2019 08 +0.38 +0.38 +0.39 +0.42 +0.17 +0.44 +0.23
2019 09 +0.61 +0.64 +0.59 +0.60 +1.13 +0.75 +0.57
2019 10 +0.46 +0.64 +0.27 +0.30 -0.04 +1.00 +0.49
2019 11 +0.55 +0.56 +0.54 +0.55 +0.21 +0.56 +0.37
2019 12 +0.56 +0.61 +0.50 +0.58 +0.92 +0.66 +0.94
2020 01 +0.56 +0.60 +0.53 +0.61 +0.73 +0.12 +0.65
2020 02 +0.75 +0.96 +0.55 +0.76 +0.38 +0.02 +0.30
2020 03 +0.47 +0.61 +0.34 +0.63 +1.08 -0.72 +0.16
2020 04 +0.38 +0.43 +0.34 +0.45 -0.59 +1.03 +0.97
2020 05 +0.54 +0.60 +0.49 +0.66 +0.17 +1.15 -0.15
2020 06 +0.43 +0.45 +0.41 +0.46 +0.37 +0.80 +1.20
2020 07 +0.44 +0.45 +0.42 +0.46 +0.55 +0.39 +0.66
2020 08 +0.43 +0.47 +0.38 +0.59 +0.41 +0.47 +0.49
2020 09 +0.57 +0.58 +0.56 +0.46 +0.96 +0.48 +0.92
2020 10 +0.54 +0.71 +0.37 +0.37 +1.09 +1.23 +0.24
2020 11 +0.53 +0.67 +0.39 +0.29 +1.56 +1.38 +1.41
2020 12 +0.27 +0.12 +0.32 +0.05 +0.56 +0.59 +0.23

The full UAH Global Temperature Report and the image of LT's global grid point anomaly for December 2020 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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