Very Heavy Rainfall and High Risk Flood Event in the South-Central U.S.

Thunderstorms, some severe, will continue to produce tremendously heavy rainfall over the same areas through the day today. The area with the greatest potential for excessive rainfall includes Oklahoma, Arkansas, and Missouri. Very heavy rains will extend broadly from the Southern Plains to the Upper Midwest. Life threatening flash flooding is expected with these storms.
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Last Update: 253 AM EDT SUN APR 30 2017

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Gray/Portland, ME Local Forecast Office

9NM ENE Portland ME

Marine Zone Forecast


Synopsis: HIGH PRESSURE WILL BUILD OVER THE WATERS TODAY BEFORE MOVING OFF TO THE EAST ON MONDAY. A WARM FRONT LIFTS NORTH BUT REMAINS SOUTH OF THE WATERS SUNDAY NIGHT AND MONDAY. LOW PRESSURE SLOWLY MOVING NORTHEAST OUT OF THE GREAT LAKES WILL DRIVE A COLD FRONT ACROSS THE WATERS BY EARLY TUESDAY. ADDITIONAL FRONTS WILL CROSS THE WATERS ON THROUGH WEDNESDAY BEFORE HIGH PRESSURE BUILDS IN ON THURSDAY.

Today
N winds 5 to 15 kt with gusts up to 20 kt... Becoming S 5 to 10 kt this afternoon. Seas around 2 ft this morning...then 1 foot or less.
Tonight
S winds 5 to 10 kt. Seas 1 foot or less. A chance of rain after midnight.
Mon
SE winds around 10 kt. Seas 2 to 3 ft. A chance of rain. Areas of drizzle in the afternoon. Patchy fog in the afternoon.
Mon Night
E winds 5 to 10 kt...becoming S with gusts up to 20 kt after midnight. Seas 2 to 4 ft. Patchy fog in the evening. A chance of rain with areas of drizzle in the evening... Then rain likely after midnight.
Tue
SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of rain.
Tue Night
W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft.
Wed
W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft.
Wed Night
NW winds 5 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.
Thu
W winds 5 to 10 kt. Seas 1 foot or less.
Thu Night
SE winds 5 to 10 kt. Seas 1 foot or less. Rain likely.
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ABOUT THIS FORECAST

Last Update: 253 AM EDT SUN APR 30 2017
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