Severe Storms Continue Over the Central Mississippi Valley

Severe thunderstorms with damaging winds, large hail and isolated tornadoes will continue over the central and lower Mississippi Valley. Heavy rain with localized flash flooding remains possible over the central Appalachians and lower Mississippi Valley. Heavy snow and cold temperatures continue from the central Plains to the northern Rockies.
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Hazardous Weather Conditions

Last Update: 346 PM EDT SUN MAY 1 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: A HIGH PRESSURE AREA WILL PERSIST OVER THE WESTERN NORTH ATLANTIC THROUGH MONDAY...MAINTAINING MODERATE TO FRESH EAST TO SOUTHEAST BREEZES. THE HIGH PRESSURE WILL WEAKEN...WITH A WEAKER PRESSURE PATTERN AND LIGHTER BREEZES DEVELOPING ACROSS THE REGION MONDAY NIGHT THROUGH TUESDAY NIGHT. AN APPROACHING TROUGH WILL LEAD TO AN INCREASE IN SHOWER AND THUNDERSTORM COVERAGE WEDNESDAY...WITH BREEZES SHIFTING OUT OF THE NORTHWEST AND FRESHENING AGAIN BY WEDNESDAY NIGHT AND THURSDAY.

THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM AS OF APRIL 28...

14 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY. 18 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS. 18 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST. 17 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY. 15 NM SOUTH OF SOMBRERO KEY LIGHT...OFF MARATHON. 11 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA. 8 NM SOUTHEAST OF MOLASSES REEF LIGHT...OFF KEY LARGO. 8 NM EAST OF CARYSFORT REEF LIGHT...OFF OCEAN REEF.

GULF STREAM INFORMATION COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.

Tonight
East to southeast winds near 15 knots. Bay waters a moderate chop.
Monday
East to southeast winds 10 to 15 knots. Bay waters a light to moderate chop.
Monday Night
East to southeast winds 10 to 15 knots. Bay waters a light to moderate chop. Isolated showers.
Tuesday
South winds 10 to 15 knots. Bay waters a light to moderate chop. Isolated showers.
Tuesday Night
South winds 5 to 10 knots. Bay waters smooth to a light chop. Isolated showers.
Wednesday
Southwest winds 10 to 15 knots. Bay waters a light to moderate chop. Scattered showers and isolated thunderstorms.
Wednesday Night And Thursday
Northwest winds 10 to 15 knots. Bay waters a light to moderate chop. Scattered showers and isolated thunderstorms...then isolated showers on thursday.
Thursday Night And Friday
Northwest winds 15 to 20 knots. Bay waters choppy. Isolated showers.
Friday Night
North winds near knots. Bay waters a moderate chop. Isolated showers.
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Last Update: 346 PM EDT SUN MAY 1 2016
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