A sure sign that contemporary 30-year climate normals are not keeping up with the rate of Arctic change: only one year (2021) since the early 1990s has less than half of land area in the Arctic (north of 60ºN) had annual average temperature above “normal", and eight years more than 90 percent of Arctic Lands were warmer than “normal". In an unchanging climate, this would bounce around 50% each year. #Arctic#ClimateChange
H/T @Climatologist49
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