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: 924 PM EDT Thu Sep 20 2018

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Caribou, ME Local Forecast Office

22NM SSW Machias ME

Marine Zone Forecast

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

Synopsis: ANZ005-211415- 924 PM EDT Thu Sep 20 2018 .Synopsis for Eastport ME to Stonington ME Out 25 NM... High pres will crest over the waters overnight then move E Fri morning. Strong low pres will track NW of the region Fri afternoon into Fri night. A strong cold front will reach the coast early Sat morning. $$

Overnight
E winds around 5 kt. Seas 2 to 3 ft.
Fri
SE winds 10 to 15 kt with gusts up to 20 kt, becoming S 15 to 20 kt with gusts up to 35 kt in the afternoon. Seas 2 to 4 ft.
Fri Night
S winds 20 to 25 kt, becoming SW 25 to 30 kt after midnight. Gusts up to 40 kt. Seas 4 to 7 ft, building to 6 to 9 ft after midnight. Showers with a chance of tstms after midnight with vsby 1 to 3 nm.
Sat
W winds 20 to 25 kt with gusts up to 35 kt, becoming NW 10 to 15 kt with gusts up to 25 kt in the afternoon. Seas 5 to 8 ft, subsiding to 4 to 6 ft in the afternoon. Showers likely in the morning.
Sat Night
NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft.
Sun
N winds around 5 kt, becoming W in the afternoon. Seas 2 to 3 ft.
Sun Night
NW winds 5 to 10 kt, becoming NE 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft.
Mon
NE winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon, then diminishing to around 5 kt in the evening, increasing to 5 to 10 kt after midnight. Seas 2 to 3 ft, subsiding to 1 to 2 ft in the afternoon, then, then 1 foot or less in the evening, then 1 to 2 ft after midnight.
Tue
E winds 5 to 10 kt, becoming SE 10 to 15 kt in the afternoon, then increasing to 15 to 20 kt in the evening, becoming S 20 to 25 kt after midnight. Seas 3 to 5 ft, building to 4 to 7 ft after midnight. A chance of rain through the night. winds and seas higher in and near tstms.
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ABOUT THIS FORECAST

Last Update: 924 PM EDT Thu Sep 20 2018
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