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The warming of November temperatures in the #Arctic by decade... (yes, it's a lot)

Data from @CopernicusECMWF ERA5 reanalysis.

Four polar stereographic maps showing Arctic near-surface air temperature anomalies for the month of November in 1984-1993, 1994-2003, 2004-2013, and 2014-2023. Most all areas are observing long-term warming, which is largest along the Eurasian coast.
#arctic @CopernicusECMWF
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