From the Global Warming Blog by Dr. Roy Spencer
March 3, 2023 by Roy W Spencer, Ph.D.
The lower troposphere version 6 global mean temperature (LT) anomaly for February 2023 was +0.08 degrees. C Deviation from mean 1991-2020. This is an increase from the January 2023 anomaly of -0.04 degrees. C
The linear warming trend since January 1979 remains at +0.13°C/decade (+0.11°C/decade over the globally averaged oceans and +0.18°C/decade over the globally averaged land).
Various regional LT deviations from the 30-year average (1991-2020) for the last 14 months are:
| YEAR | MON | GLOBE | NHEM. | SCHEME | TROPICAL | USA48 | ARCTIC | OUT OF |
| 2022 | Jan | +0.03 | +0.06 | -0.00 | -0.23 | -0.13 | +0.68 | +0.10 |
| 2022 | Feb | -0.00 | +0.01 | -0.01 | -0.24 | -0.04 | -0.30 | -0.50 |
| 2022 | To damage | +0.15 | +0.27 | +0.03 | -0.07 | +0.22 | +0.74 | +0.02 |
| 2022 | apr | +0.26 | +0.35 | +0.18 | -0.04 | -0.26 | +0.45 | +0.61 |
| 2022 | May | +0.17 | +0.25 | +0.10 | +0.01 | +0.59 | +0.23 | +0.20 |
| 2022 | June | +0.06 | +0.08 | +0.05 | -0.36 | +0.46 | +0.33 | +0.11 |
| 2022 | July | +0.36 | +0.37 | +0.35 | +0.13 | +0.84 | +0.55 | +0.65 |
| 2022 | Aug | +0.28 | +0.31 | +0.24 | -0.03 | +0.60 | +0.50 | -0.00 |
| 2022 | Sep | +0.24 | +0.43 | +0.06 | +0.03 | +0.88 | +0.69 | -0.28 |
| 2022 | Oct | +0.32 | +0.43 | +0.21 | +0.04 | +0.16 | +0.93 | +0.04 |
| 2022 | Nov | +0.17 | +0.21 | +0.13 | -0.16 | -0.51 | +0.51 | -0.56 |
| 2022 | dec | +0.05 | +0.13 | -0.03 | -0.35 | -0.21 | +0.80 | -0.38 |
| 2023 | Jan | -0.04 | +0.05 | -0.14 | -0.38 | +0.12 | -0.12 | -0.50 |
| 2023 | Feb | +0.08 | +0.17 | 0.00 | -0.11 | +0.68 | -0.24 | -0.12 |
The full UAH global temperature report as well as the LT global grid point anomaly image for February 2023 should be available here in the next few days.
The global and regional monthly anomalies for the different atmospheric layers we are monitoring should be available over 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
Middle 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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