Severe Thunderstorms Possible for the Great Lakes into Ohio Valley; Heavy to Excessive Rainfall Over the Southern Plains

Severe thunderstorms will race along a cold front from the Upper Mississippi Valley into the Great Lakes and Ohio Valley with the main threat being damaging winds. The tail end of this front will possibly produce heavy to excessive rainfall across the southern Plains into the Lower Mississippi Valley through Saturday. Finally, Major-to-record river flooding continues across the Carolinas.
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Last Update: 927 PM EDT Thu Sep 20 2018

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Gray/Portland, ME Local Forecast Office

9NM ESE Belfast ME

Marine Zone Forecast

...GALE WARNING IN EFFECT FROM FRIDAY AFTERNOON THROUGH SATURDAY

Synopsis: ANZ100-211530- 927 PM EDT Thu Sep 20 2018 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... High pressure over the region will slowly retreat into the maritimes through tonight. An increasing south to southwest flow will develop in advance of an approaching strong cold front. The front will pass across the waters late Friday night with north to northwest winds behind the front. High pressure builds across the waters over the weekend allowing winds to diminish and become light. && $$

Tonight
S winds around 5 kt. Seas 1 foot or less.
Fri
SE winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 25 kt in the afternoon. Seas 1 foot or less, then around 2 ft in the afternoon. Patchy drizzle in the morning. Patchy fog in the morning with vsby 1 to 3 nm.
Fri Night
SW winds 15 to 25 kt. Gusts up to 30 kt, increasing to 40 kt after midnight. Seas 2 to 4 ft. A chance of showers in the evening, then showers likely with a chance of tstms after midnight. Some tstms may produce gusty winds after midnight.
Sat
W winds 10 to 15 kt with gusts up to 25 kt, becoming NW 5 to 10 kt in the afternoon. Seas 2 to 3 ft. A chance of showers in the morning.
Sat Night
N winds around 5 kt. Seas 1 foot or less.
Sun
N winds around 5 kt, becoming W around 5 kt in the afternoon. Seas 1 foot or less.
Sun Night
W winds around 5 kt, becoming N after midnight. Seas 1 foot or less.
Mon
NE winds 5 to 10 kt with gusts up to 20 kt. Seas 1 foot or less.
Mon Night
E winds 5 to 10 kt. Seas 1 foot or less.
Tue
SE winds 5 to 10 kt with gusts up to 20 kt. Seas 1 foot or less.
Tue Night
S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers likely. Vsby 1 to 3 nm. winds and seas higher in and near tstms.
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Last Update: 927 PM EDT Thu Sep 20 2018
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