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000
FXUS62 KKEY 100724
AFDKEY

AREA FORECAST DISCUSSION FOR THE FLORIDA KEYS
NATIONAL WEATHER SERVICE KEY WEST FL
325 AM EDT MON MAR 10 2014

.DISCUSSION...
.CURRENTLY...
KBYX DETECTS NO PRECIPITATION ECHOES. SKIES OVER THE ISLAND CHAIN
ARE PARTLY CLOUDY. WINDS OVER LAND ARE VARIABLE NEAR 5 MPH. C-MAN
WINDS...ON AVERAGE...ARE NORTHEAST TO EAST AT 5 TO 10 KNOTS.
TEMPERATURES ARE IN THE MID TO UPPER 60S.

.SHORT TERM (TODAY THROUGH WEDNESDAY)...
AN ELONGATED AREA OF HIGH PRESSURE WILL STRETCH EASTWARD FROM THE
CENTRAL GULF OF MEXICO...OVER THE FLORIDA PENINSULA...AND INTO THE
SOUTHWEST ATLANTIC OCEAN TODAY AND TONIGHT. AN ATLANTIC RIDGE OF
HIGH PRESSURE WILL EXTEND ACROSS THE FLORIDA PENINSULA TUESDAY...
BEFORE SHIFTING SOUTHWARD TUESDAY NIGHT. A COLD FRONT WILL APPROACH
SOUTH FLORIDA WEDNESDAY. LACK OF ATMOSPHERIC MOISTURE WILL BE
RESPONSIBLE FOR A NEAR ZERO CHANCE OF RAIN TODAY THROUGH TUESDAY.
SOUTHERLY BREEZES TUESDAY NIGHT MAY RESULT IN ENOUGH AIR MASS
DESTABILIZATION AND MODIFICATION TO SUPPORT CONVECTION OVER THE
FLORIDA STRAITS. RAIN CHANCES WILL BE INCREASED BY 10 PERCENT
WEDNESDAY AFTERNOON WELL AHEAD OF AN APPROACHING COLD FRONT.
THUNDERSTORMS ARE CONCEIVABLE WEDNESDAY AFTERNOON IN THE FLORIDA
STRAITS. THIS POSSIBILITY MAY NEED TO BE ADDRESSED FOR THE REMAINDER
OF THE SERVICE AREA IN THE NEAR FUTURE.

.LONG TERM (WEDNESDAY NIGHT THROUGH SUNDAY)...
THE AFOREMENTIONED COLD FRONT SHOULD PASS THROUGH THE FLORIDA KEYS
WEDNESDAY NIGHT. AN AREA OF HIGH PRESSURE WILL PROGRESS EASTWARD
ACROSS THE SOUTHEASTERN UNITED STATES THURSDAY INTO FRIDAY
MORNING...BEFORE ENTERING THE SOUTHWEST ATLANTIC OCEAN FRIDAY
AFTERNOON INTO FRIDAY NIGHT. AN ATLANTIC RIDGE OF HIGH PRESSURE WILL
SHIFT SOUTHWARD DOWN THE FLORIDA PENINSULA SATURDAY THROUGH SUNDAY.
RAIN CHANCES IN THE LONG TERM PORTION OF THE FORECAST WILL BE
HIGHEST WEDNESDAY EVENING JUST AHEAD OF A COLD FRONT.

&&

.MARINE...
GENTLE EASTERLY BREEZES WILL PREVAIL ON ALL KEYS COASTAL WATERS
TODAY. NO ADVISORIES EXPECTED TODAY THROUGH AT LEAST WEDNESDAY. A
SMALL CRAFT ADVISORY MAY BE REQUIRED FOR THE COASTAL WATERS OF THE
OFFSHORE GULF OF MEXICO WEDNESDAY NIGHT. A SMALL CRAFT ADVISORY WILL
LIKELY BE REQUIRED FOR THE COASTAL WATERS OF THE FLORIDA STRAITS AND
OFFSHORE GULF OF MEXICO THURSDAY. A SMALL CRAFT ADVISORY MAY BE
REQUIRED FOR THE COASTAL WATERS OF THE NEARSHORE GULF OF MEXICO AND
HAWK CHANNEL THURSDAY. A SMALL CRAFT ADVISORY WILL LIKELY BE
REQUIRED FOR THE COASTAL WATERS OF THE GULF OF MEXICO AND ATLANTIC
THURSDAY NIGHT AND FRIDAY. A SMALL CRAFT ADVISORY WILL LIKELY BE
REQUIRED FOR THE COASTAL WATERS OF THE FLORIDA STRAITS FRIDAY NIGHT.

&&

.AVIATION...
VFR CONDITIONS WILL PREVAIL THROUGH MONDAY AFTERNOON AT THE KEY WEST
AND MARATHON TERMINALS. SURFACE WINDS WILL BE NEAR 5 KNOTS OUT OF
THE NORTHEAST TO EAST. BRIEF VFR CEILINGS JUST ABOVE 3 KFT ARE
POSSIBLE...MAINLY IN THE EARLY MORNING HOURS...OTHERWISE MOSTLY
CLEAR SKIES EXPECTED.

&&

.CLIMATE...
ON THIS DATE IN KEYS WEATHER HISTORY...IN 1941...THE LOW TEMPERATURE
IN KEY WEST WAS 54 DEGREES. THIS SET THE DAILY RECORD FOR MINIMUM
TEMPERATURE MEASURED IN KEY WEST ON MARCH 10TH...A RECORD WHICH
STILL STANDS 73 YEARS LATER. TEMPERATURE RECORDS AT KEY WEST DATE
BACK TO 1872.

&&

.PRELIMINARY POINT TEMPS/POPS...
KEY WEST  78 68 80 72 / 00 00 00 05
MARATHON  79 67 81 72 / 00 00 00 05

&&

.KEY WATCHES/WARNINGS/ADVISORIES...
FL...NONE.
GM...NONE.
&&

$$

PUBLIC/MARINE/FIRE/CLIMATE/DIGITAL...BS
AVIATION.............................AD

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