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: 443 AM EDT SUN APR 30 2017

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Miami - South Florida Local Forecast Office

7NM ENE South Palm Beach FL

Marine Zone Forecast

SEAS ARE PROVIDED AS A RANGE OF THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES...ALONG WITH THE OCCASIONAL HEIGHT OF THE AVERAGE HIGHEST 10 PERCENT OF THE WAVES.

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING...
Synopsis: STRONG SURFACE HIGH PRESSURE TO THE WEST OF BERMUDA WILL MAINTAIN BREEZY SOUTHEAST WINDS OVER THE WATERS THROUGH EARLY MONDAY MORNING. EXPECT WAVES 4 TO 6 FEET OVER THE ATLANTIC WATERS AND 3 TO 5 FEET OVER THE OUTER GULF WATERS. OTHER THAN SOME ISOLATED LIGHT SHOWERS OVER WATERS, CONDITIONS SHOULD REMAIN DRY. THERE WILL BE AN INCREASED CHANCE OF SHOWER AND THUNDERSTORM ACTIVITY EARLY NEXT WEEK.

.GULF STREAM HAZARDS...SEAS 4 TO 6 FEET WITH WINDS 20 TO 25 KT.

THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF APR 29, 2017 AT 1200 UTC...

6 NAUTICAL MILES EAST SOUTHEAST OF FOWEY ROCKS. 10 NAUTICAL MILES EAST OF PORT EVERGLADES. 8 NAUTICAL MILES EAST SOUTHEAST OF LAKE WORTH. 10 NAUTICAL MILES EAST OF JUPITER INLET.

THIS DATA COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.

Today
East southeast winds 15 to 20 knots. Seas 4 to 6 feet with occasional seas to 8 feet. Dominant period 6 seconds. Intracoastal waters choppy in exposed areas. A slight chance of showers.
Tonight
Southeast winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas to 6 feet. Dominant period 6 seconds. Intracoastal waters choppy in exposed areas. A slight chance of showers.
Monday
Southeast winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas to 6 feet. Dominant period 6 seconds. Intracoastal waters choppy in exposed areas. A slight chance of showers.
Monday Night
South southeast winds 15 to 20 knots. Seas 2 to 4 feet with occasional seas to 5 feet. Dominant period 5 seconds. Intracoastal waters a moderate chop. A slight chance of showers after midnight.
Tuesday
Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Intracoastal waters a moderate chop. A slight chance of showers in the afternoon.
Tuesday Night
Southeast winds 5 to 10 knots along the coast to east southeast 5 to 10 knots in the gulf stream. Seas around 2 feet. Intracoastal waters a light chop. A slight chance of showers.
Wednesday
East winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters a light chop.
Wednesday Night And Thursday
Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Intracoastal waters a moderate chop.
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ABOUT THIS FORECAST

Last Update: 443 AM EDT SUN APR 30 2017
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