Buresh Blog: Autumn arrives!.... arctic summer ice melt minimum

Average high temps. drop 20+ degrees in 3 months

Buresh Blog: Autumn arrives!.... arctic summer ice melt minimum

Sept. 25, 2019 — "Talking the Tropics With Mike" - updated everyday throughout the hurricane season (ends Nov. 30th).

Astronomical fall arrived Mon., Sept. 23rd.  But I always say we usually have to wait 'til Halloween to enjoy sustained fall weather in Jacksonville/NE Fl./SE Ga.  Our avg. high does drop 20 degrees to the mid 60s by the astronomical start of winter in Dec.

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The seasons are a result of the tilt of the earth.  In the Northern Hemisphere, the earth is tilted toward the sun during the summer (but farthest from the sun).... the earth is tilted away from the sun during the winter (but closest to the sun!).  The tilt is just about equal during the (autumn/spring) equinox.

U.S. Forest Service tracks fall foliage * here *.  Fall foliage prediction map * here *.  Various state links on autumn color from the SE Regional Climate Center - here.

Arctic sea ice reached its summer minimum in mid Sept. (18th) & was tied for the 2nd lowest at 1.6 million square miles - with 2007 & 2016 - since "modern" record keeping began in the 1970s.  The Arctic summer temp. averaged about 7-9 degrees F above avg.  Full NASA story * here *.