Dangerous Heat and Humidity Building from the Plains to the East Coast

A strengthening ridge of high pressure will produce much above average temperatures from the Plains to the East Coast, a true summer heat wave. Highs in the 90s and triple digits combined w/ humidity and dewpoints surging into the upper 70s, if not low 80s, will create heat indices as high as 110 to 115 through this weekend. Air quality will likely be poor due to haze and little air circulation.
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Last Update: 342 PM AKDT Wed Jul 17 2019

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Anchorage, AK Local Forecast Office

140NM SE Chiniak AK

Marine Zone Forecast


Synopsis: A 1008 mb low forms at 59N 151W Thu night and moves to 58N 149W at 1010 mb by Fri morning then moves to 57N 149W by Fri afternoon at 1012 mb.

Tonight
W wind 20 kt. Seas 8 ft.
Thu
W wind 20 kt. Seas 8 ft.
Thu Night
W wind 15 to 25 kt. Seas 7 ft.
Fri
W wind up to 20 kt. Seas 4 to 7 ft.
Fri Night
SW wind up to 15 kt. Seas 4 ft.
Sat Through Mon
SW wind up to 15 kt. Seas 4 ft.
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Last Update: 342 PM AKDT Wed Jul 17 2019
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