Heavy rain and flash flooding possible in portions of the Southwest this weekend

An upper-level low in the Southwest U.S. will act as a trigger for thunderstorms this weekend. The area of greatest concern is in New Mexico, southeast Utah and portions of southern Colorado. Storms will be slow moving and could bring several rounds of rain to the same areas. Rainfall amounts may exceed 3 inches in localized areas. Flash Flood Watches are in effect.
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Last Update: 1145 AM EDT Sun Aug 20 2017

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Gray/Portland, ME Local Forecast Office

27NM NE Gloucester MA

Marine Zone Forecast


Synopsis: ANZ100-210545- 1145 AM EDT Sun Aug 20 2017 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... High pressure will build south of the waters through Monday before pushing well offshore to our south on Tuesday. A cold front will cross the waters on Wednesday before high pressure builds back over the waters for the end of the week. $$

Rest Of Today
W winds around 10 kt. Seas around 2 ft.
Tonight
W winds 5 to 10 kt. Seas around 2 ft.
Mon
W winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft.
Mon Night
SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft.
Tue
SW winds 5 to 10 kt, becoming S 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft.
Tue Night
SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. A chance of showers and tstms.
Wed
SW winds 10 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers.
Wed Night
W winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft.
Thu
W winds 5 to 10 kt. Seas 2 to 3 ft.
Thu Night
NW winds 5 to 10 kt. Seas around 2 ft. winds and seas higher in and near tstms.

Winds and seas higher in and near tstms.
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ABOUT THIS FORECAST

Last Update: 1145 AM EDT Sun Aug 20 2017
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