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UAH Global Temperature Update for December 2020: +0.27 deg. C

  • 09-01-2021 10:27pm
    #1
    MeHappy
    Registered Users, Registered Users 2 Posts: 5 ✭


    The Version 6.0 global average lower tropospheric temperature (LT) anomaly for December, 2020 was +0.27 deg. C, down substantially from the November, 2020 value of +0.53 deg. C.

    For comparison, the CDAS global surface temperature anomaly for the last 30 days at Weatherbell.com was +0.31 deg. C.

    2020 ended as the 2nd warmest year in the 42-year satellite tropospheric temperature record at +0.49 deg. C, behind the 2016 value of +0.53 deg. C.

    Cooling in December was largest over land, with 1-month drop of 0.60 deg. C, which is the 6th largest drop out of 504 months. This is likely the result of the La Nina now in progress.

    The linear warming trend since January, 1979 remains at +0.14 C/decade (+0.12 C/decade over the global-averaged oceans, and +0.18 C/decade over global-averaged land).

    Various regional LT departures from the 30-year (1981-2010) average for 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 +0.22 +0.32 +0.05 +0.56 +0.59 +0.23

    The full UAH Global Temperature Report, along with the LT global gridpoint anomaly image for December, 2020 should be available within the next few days here.

    Image Preview: weathertomorrow.net/images/uah-lt-1979-thru-december-2020.png

    Lower Troposphere: vortex.nsstc.uah.edu/data/msu/v6.0/tlt/uahncdc_lt_6.0.txt
    Mid-Troposphere: vortex.nsstc.uah.edu/data/msu/v6.0/tmt/uahncdc_mt_6.0.txt
    Tropopause: vortex.nsstc.uah.edu/data/msu/v6.0/tls/uahncdc_ls_6.0.txt
    Lower Stratosphere: vortex.nsstc.uah.edu/data/msu/v6.0/tls/uahncdc_ls_6.0.txt


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