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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Hazardous Weather Conditions

Last Update: 249 PM EDT SAT APR 29 2017

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Jacksonville, FL Local Forecast Office

8NM NE Mayport 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 1/10 OF THE WAVES.

Synopsis: HIGH PRESSURE WILL BE EAST NORTHEAST OF AREA WATERS THROUGH EARLY MONDAY. A COLD FRONT WILL CROSS AREA WATERS MONDAY NIGHT. HIGH PRESSURE WILL BUILD TO THE NORTH TUESDAY THEN TO THE NORTHEAST WEDNESDAY. HIGH PRESSURE WILL BE TO THE EAST INTO FRIDAY...WITH A COLD FRONT MOVING THROUGH FRIDAY NIGHT INTO SATURDAY.

Tonight
South southeast winds 10 to 15 knots. Seas 2 to 4 feet. Dominant period 6 seconds. Inland waters a moderate chop.
Sunday
Southeast winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 6 seconds. Inland waters a moderate chop.
Sunday Night
South southeast winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 6 seconds. Inland waters choppy.
Monday
South southeast winds 20 to 25 knots with gusts to around 35 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 7 seconds. Inland waters choppy. A chance of showers and thunderstorms in the afternoon.
Monday Night
South winds 15 to 20 knots becoming west southwest 10 to 15 knots after midnight. Gusts to 35 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Inland waters a moderate chop. A chance of showers and thunderstorms.
Tuesday
North winds 5 to 10 knots becoming east northeast in the afternoon. Seas 2 to 4 feet. Inland waters a light chop. A chance of showers and thunderstorms.
Tuesday Night
Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Inland waters smooth. A slight chance of showers and thunderstorms.
Wednesday
East southeast winds 5 to 10 knots. Seas 2 to 3 feet. Inland waters a light chop. A slight chance of showers and thunderstorms.
Wednesday Night
South southeast winds 10 to 15 knots. Seas 2 to 4 feet. Inland waters a moderate chop. A chance of showers and thunderstorms.
Thursday
South winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Inland waters choppy. A chance of showers and thunderstorms.
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ABOUT THIS FORECAST

Last Update: 249 PM EDT SAT APR 29 2017
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