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: 203 PM AKDT Wed Jul 17 2019

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Fairbanks, AK Local Forecast Office

43NM N Prudhoe Bay AK

Marine Zone Forecast


Synopsis: A 1010 mb high over the Central Arctic Coast will move to 150 nm N of Demarcation Point by Thu morning, then NE across the Beaufort Sea. A 999 mb low 200 nm N of Wrangel Island with a weather front extending S will move N as a 1004 mb low develops in the Chukchi Sea along the front. The low moves over the Northwest Arctic Coast Thu afternoon, then E across the Arctic to be in the Beaufort Sea Fri morning. The lows will merge over the Central Arctic with a 992 mb low 400 nm N of Point Barrow.

Tonight
NE winds 10 kt. Seas 2 ft. Fog.
Thu
E winds 15 kt. Seas 3 ft. Fog.
Thu Night
SE winds 20 kt. Seas 4 ft. Fog.
Fri
W winds 30 kt. Seas 6 ft.
Fri Night
SE winds 15 kt. Seas 4 ft.
Sat
N winds 15 kt. Seas 3 ft.
Sat Night
NW winds 10 kt. Seas 3 ft.
Sun
SE winds 20 kt. Seas 3 ft.
Mon
SW winds 20 kt. Seas 6 ft.
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Last Update: 203 PM AKDT Wed Jul 17 2019
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