Heavy rain from the central Gulf Coast to Southeast U.S. this weekend

Heavy rain is expected from eastern Texas across the Lower Miss. Valley to the Southeast U.S. this weekend. This rain could lead to flash flooding. Meanwhile, heavy rain will also spread into the Northwest U.S., with heavy snow in the higher elevations of the Cascades and northern Rockies. Snow and hazardous travel conditions will impact the upper Midwest and parts of the Great Lake States.
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Hazardous Weather Conditions

Last Update: 1007 AM EST SUN DEC 4 2016

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Key West, FL Local Forecast Office

3NM NNE Florida Bay FL

Marine Zone Forecast

SEAS ARE GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.

Synopsis: HIGH PRESSURE OVER THE EASTERN UNITED STATES WILL SPREAD INTO THE WESTERN NORTH ATLANTIC THROUGH TUESDAY. LOW PRESSURE OVER THE NORTHERN GULF OF MEXICO WILL MOVE EAST ACROSS THE FLORIDA PENINSULA THROUGH TUESDAY NIGHT. A WEAKER PRESSURE PATTERN WILL PREVAIL WEDNESDAY INTO THURSDAY. A COLD FRONT WILL RACE ACROSS THE GULF OF MEXICO THURSDAY NIGHT.

THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM AS OF DECEMBER THIRD...

19 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY. 6 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS. 4 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST. 6 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY. 7 NM SOUTH OF SOMBRERO KEY LIGHT...OFF MARATHON. 2 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA. LESS THAN 1 NM SOUTHEAST OF MOLASSES REEF LIGHT...OFF KEY LARGO. 2 NM EAST OF CARYSFORT REEF LIGHT...OFF OCEAN REEF.

GULF STREAM INFORMATION COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.

This Afternoon
East to southeast winds near 15 knots. Bay waters a moderate chop. Isolated showers.
Tonight
East to southeast winds near 15 knots. Bay waters a moderate chop. Isolated showers.
Monday
Southeast winds near 15 knots. Bay waters a moderate chop. Isolated showers.
Monday Night
Southeast winds 15 to 20 knots. Bay waters choppy. Isolated showers.
Tuesday
South winds 10 to 15 knots. Bay waters a light to moderate chop. Scattered showers.
Tuesday Night And Wednesday
South winds 5 to 10 knots. Bay waters smooth to a light chop. Scattered showers.
Wednesday Night
North to northeast winds 5 to 10 knots. Bay waters smooth to a light chop. Scattered showers.
Thursday
Northeast winds near 10 knots. Bay waters a light chop. Scattered showers.
Thursday Night
North winds 15 to 20 knots. Bay waters choppy. Isolated showers.
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ABOUT THIS FORECAST

Last Update: 1007 AM EST SUN DEC 4 2016
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