Area Forecast Discussion
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000
FXUS62 KKEY 301901
AFDKEY

AREA FORECAST DISCUSSION FOR THE FLORIDA KEYS
NATIONAL WEATHER SERVICE KEY WEST FL
305 PM EDT THU OCT 30 2014

.DISCUSSION...
.CURRENTLY...
KBYX DETECTS ISOLATED SHOWERS OVER THE WESTERN PORTION OF THE
FLORIDA STRAITS. ELSEWHERE...KBYX DETECTS NO PRECIPITATION ECHOES IN
THE REMAINDER OF THE FORECAST AREA. SKIES OVER THE ISLAND CHAIN ARE
PARTLY CLOUDY. WINDS OVER LAND ARE VARIABLE NEAR 5 MPH. C-MAN
WINDS...ON AVERAGE...ARE VARIABLE NEAR 5 KNOTS. TEMPERATURES ARE IN
THE LOWER 80S.

.SHORT TERM (TONIGHT THROUGH SATURDAY NIGHT)...
A COLD FRONT WILL PROGRESS SOUTHWARD ACROSS THE EASTERN GULF OF
MEXICO TONIGHT AND FRIDAY. THIS COLD FRONT WILL LIKELY MOVE THROUGH
THE FLORIDA KEYS FRIDAY EVENING...FOLLOWED BY THE PASSAGE OF A
SECONDARY COLD FRONT SATURDAY AFTERNOON. A RATHER STRONG HIGH
PRESSURE SYSTEM WILL BEGIN TO BUILD ACROSS THE FLORIDA PENINSULA
SATURDAY NIGHT. RAIN CHANCES IN THE SHORT TERM PORTION OF THE
FORECAST WILL BE HIGHEST WELL AHEAD OF THE INITIAL COLD FRONT LATE
TONIGHT AND FRIDAY MORNING.

.LONG TERM (SUNDAY THROUGH THURSDAY)...
A LARGE AREA OF HIGH PRESSURE WILL PROGRESS EASTWARD ACROSS THE
EASTERN UNITED STATES SUNDAY THROUGH TUESDAY. THIS AREA OF HIGH
PRESSURE WILL ENTER THE NORTHWEST ATLANTIC OCEAN TUESDAY NIGHT. AN
ATLANTIC RIDGE OF HIGH PRESSURE WILL EXTEND ACROSS THE SOUTHEASTERN
UNITED STATES WEDNESDAY THROUGH THURSDAY. ATMOSPHERIC MOISTURE
SHOULD BEGIN TO INCREASE SUNDAY. BE THAT AS IT MAY...NO MORE THAN
DIME POPS ARE NEEDED IN THE LONG TERM PORTION OF THE FORECAST.

&&

.MARINE...
LIGHT AND VARIABLE BREEZES WILL TURN TO THE WEST TO NORTHWEST ON ALL
KEYS COASTAL WATERS TONIGHT. NO ADVISORIES OR CAUTIONARY HEADLINES
EXPECTED TONIGHT AND FRIDAY. SMALL CRAFT ARE URGED TO EXERCISE
CAUTION ON THE COASTAL WATERS OF THE OFFSHORE GULF OF MEXICO FRIDAY
NIGHT AND SATURDAY MORNING DUE TO SUSTAINED NORTHWEST SURFACE WINDS
OF 15 TO 20 KNOTS. A SMALL CRAFT ADVISORY WILL LIKELY BE REQUIRED
FOR ALL KEYS COASTAL WATERS SATURDAY AFTERNOON THROUGH TUESDAY NIGHT.

&&

.AVIATION...
VFR WILL PREVAIL AT THE EYW AND MTH TERMINALS. MAINLY NORTHWEST
BREEZES NEAR 5 KNOTS WILL SLOWLY STRENGTHEN AFTER 12Z FRIDAY MORNING.

&&

.CLIMATE...
ON THIS DATE IN KEY WEST CLIMATE HISTORY...IN 1910...A PARTICULARLY
COLD DAY UNFOLDED ACROSS THE FLORIDA KEYS. IN THAT YEAR...THE DAILY
RECORD COLD HIGH TEMPERATURE OF 71F WAS RECORDED IN KEY WEST. ALSO
ON OCT 30TH...1910...THE DAILY RECORD LOW TEMPERATURE OF 59F WAS
RECORDED IN KEY WEST. THIS RECORD LOW IS ALSO TIED FOR THE COLDEST
TEMPERATURE EVER RECORDED IN OCTOBER IN KEY WEST. TEMPERATURE
RECORDS AT KEY WEST DATE BACK TO 1872.

&&

.PRELIMINARY POINT TEMPS/POPS...
KEY WEST  73 82 71 76 / 30 30 05 05
MARATHON  72 83 70 76 / 30 30 05 05

&&

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

&&

$$

PUBLIC/MARINE/FIRE/CLIMATE/DIGITAL...BS
AVIATION/NOWCASTS....................CLR
DATA ACQUISITION.....................FLING

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