Locally Heavy Rainfall Possible Over the Four Corners; Critical Fire Weather Conditions in the Great Basin

Monsoon moisture will result in locally heavy showers and thunderstorms over the Four Corners region, which could lead to flash flooding. While, critical fire weather threats are expected for much of the Great Basin, from dry and windy conditions. Finally, Tropical Cyclone Humberto remains well offshore of the Southeast, but rip currents and heavy surf are expected from Florida to the Carolinas.
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Hazardous Weather Conditions

Last Update: 1011 AM AST Sun Sep 15 2019

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San Juan, PR Local Forecast Office

12NM NE Charlotte Amalie VI

Marine Zone Forecast


Rest Of Today
East winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 7 seconds. Scattered showers and isolated thunderstorms.
Tonight
East winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 7 seconds. Scattered showers.
Monday
East winds 10 to 15 knots. Seas 2 to 4 feet with occasional seas up to 5 feet. Dominant period 10 seconds. Isolated showers.
Monday Night
East winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 12 seconds. North swell 4 to 5 feet after midnight. Isolated thunderstorms through the night. Scattered showers after midnight.
Tuesday
East winds 10 to 15 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 12 seconds. North swell 4 to 5 feet. Isolated showers.
Wednesday
East winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 11 seconds. North swell 4 to 5 feet. Isolated thunderstorms. Scattered showers.
Thursday
East winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 12 seconds. Northwest swell 4 to 5 feet. Scattered showers and isolated thunderstorms.
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ABOUT THIS FORECAST

Last Update: 1011 AM AST Sun Sep 15 2019
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