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: 315 AM AKDT Thu Jul 18 2019

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Anchorage, AK Local Forecast Office

14NM W Happy Valley AK

Marine Zone Forecast


Synopsis: High pressure remains over the Gulf through Fri morning. A 1011 mb low 65 nm southeast of Seldovia Fri morning moves to 195 nm southeast of Kodiak at 1014 mb by Sat morning.

Today
N wind 10 kt becoming SW 15 kt in the afternoon. Seas 3 ft, except 6 ft near kachemak bay.
Tonight
SW wind 15 kt diminishing to 10 kt after midnight. Seas 3 ft, except 6 ft near kachemak bay.
Fri
SW wind 10 kt increasing to 20 kt in the afternoon. Seas 2 ft building to 5 ft in the afternoon.
Fri Night
SW wind 20 kt. Seas 5 ft.
Sat Through Sun
SW wind 10 kt. Seas 2 ft.
Mon
S wind 15 kt. Seas 3 ft.
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ABOUT THIS FORECAST

Last Update: 315 AM AKDT Thu Jul 18 2019
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