Updated for @NSIDC prelim report of Arctic-wide minimum ice extent occurring September 15. On the left, composite (median) of day of the min #seaice extent 1979-1989. On the right, Sept 15, 2020 extent, which is 45% less than 1979-89 median. #akwx #Arctic @Climatologist49 @ZLabe

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You've already learned from @Climatologist49 that October is the fastest warming month in most of Alaska. Here's the regional 50-year trend. On the North Slope a typical October nowadays is 9.3F (5.2C) warmer than in 1970. In Southcentral, 4.1F (2.3C) warmer. #akwx @IARC_Alaska

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Comparison of the median sea ice extent on the date of the Arctic min #seaice extent 1979-89 (left) and the preliminary day of the min extent this year (right) in @NSIDC data. As @Climatologist49 says, it's as if something has changed. #akwx #Arctic H/T @CooperIslandAK & @ZLabe

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Temperature dipped below freezing Sunday morning at Nome Airport for the 1st time this autumn. This ties with 1977 & 1978 for 7th latest "first freeze". Accounting for climate station moves over the decades, there's no evident trend. #akwx #knowyourdata @Climatologist49 @KNOMnews

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Sea ice extent in the Beaufort Sea reached it's minimum for the year on Sept 12, the 10th lowest min extent in the past 42 years of @NSIDC passive microwave data. The Chukchi Sea is 99.6% open water, the little remaining #seaice north of 77N. #akwx #Arctic @Climatologist49 @ZLabe

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Anaktuvuk Pass Saturday afternoon 40F and light rain, but the clouds lift enough to show snow creeping down the shoulders of the mountains in the central Brooks Range. #akwx @Climatologist49

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The May through August gardening season in Fairbanks was significantly damper than usual according to the exclusive Dampness Index™️, but in 2020's defense, it's been much worse. #akwx @Climatologist49 @alasjules @UAFExtension

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