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: 251 PM AKDT Wed Jul 17 2019

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Juneau, AK Local Forecast Office

28NM SW Situk AK

Marine Zone Forecast


Synopsis: A broad area of low pressure is centered over the SE Gulf of Alaska Wed evening. It will slowly move SE. Strongest winds are likely to be from the W-NW along the southern outer coast through Thu.

Tonight
W wind 15 kt. Seas 5 ft.
Thu
W wind 20 kt. Seas 6 ft. SW swell.
Thu Night
E wind 15 kt becoming S late. Seas 6 ft. SW swell in the evening.
Fri
SE wind 15 kt. Seas 5 ft.
Fri Night
E wind 15 kt. Seas 6 ft.
Sat
S wind 15 kt becoming light. Seas 5 ft.
Sun
Light winds becoming W 10 kt. Seas 3 ft.
Mon
Light winds. Seas 3 ft.
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ABOUT THIS FORECAST

Last Update: 251 PM AKDT Wed Jul 17 2019
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RADAR & SATELLITE IMAGES

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