Area Forecast Discussion
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000
FXUS62 KKEY 291348
AFDKEY

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE KEY WEST FL
950 AM EDT FRI MAY 29 2015

.DISCUSSION...
.CURRENTLY...
KBYX DETECTS A FEW LIGHT 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 NORTHEAST TO EAST AT 10 TO 15
MPH. C-MAN WINDS...ON AVERAGE...ARE EAST AT 10 TO 15 KNOTS.
TEMPERATURES ARE IN THE LOWER 80S.

.SHORT TERM (THIS AFTERNOON)...
IN THE LOW LEVELS OF THE ATMOSPHERE...AN ATLANTIC RIDGE OF HIGH
PRESSURE WILL EXTEND ACROSS THE CAROLINAS THIS AFTERNOON. IN THE MID
TO UPPER LEVELS OF THE ATMOSPHERE...AN AREA OF LOW PRESSURE WILL BE
LOCATED IN THE VICINITY OF BERMUDA TODAY. THE 12Z KKEY SOUNDING IS
MARGINALLY UNSTABLE AND SEASONABLY MOIST...WITH A PRECIPITABLE WATER
(PWAT) VALUE JUST ABOVE ONE AND ONE QUARTER OF AN INCH. ATMOSPHERIC
MOISTURE WILL INCREASE THIS AFTERNOON. BY SUNSET THIS EVENING...PWAT
VALUES WILL BE JUST BELOW ONE AND ONE HALF OF AN INCH...WHICH IS
NEAR THE 75TH PERCENTILE FOR THIS TIME OF YEAR. DESPITE THIS
ANTICIPATED INCREASE IN ATMOSPHERIC MOISTURE...LACK OF AN APPARENT
CONVECTIVE TRIGGER WILL LIMIT POPS TO SLIGHT CHANCE CATEGORY FOR
TODAY.

&&

.MARINE...
MODERATE EAST BREEZES WILL PREVAIL ON ALL KEYS COASTAL WATERS THIS
AFTERNOON. NO ADVISORIES OR CAUTIONARY HEADLINES EXPECTED TODAY
THROUGH AT LEAST TUESDAY NIGHT.

&&

.AVIATION...
THROUGH 30/15Z...PREVAILING VFR CONDITIONS ARE EXPECTED AT BOTH EYW
AND MTH. ISOLATED SHOWERS WITH LIGHT TO MODERATE PRECIPITATION WILL
DEVELOP AND MOVE FROM 080/12KT ACROSS THE FLORIDA KEYS AND ADJACENT
COASTAL WATERS. HOWEVER...THE CHANCE FOR SUB-VFR CEILINGS OR
VISIBILITIES AT EYW OR MTH IS TOO SLIM FOR EXPRESSION IN SCHEDULED
TERMINAL FORECASTS.

&&

.CLIMATE...
ON THIS DATE IN FLORIDA KEYS WEATHER HISTORY...IN 1926...THE LOW
TEMPERATURE IN KEY WEST WAS 68 DEGREES. THIS SET THE DAILY RECORD
FOR MINIMUM TEMPERATURE MEASURED IN KEY WEST ON MAY 29TH...A RECORD
WHICH STILL STANDS 89 YEARS LATER. TEMPERATURE RECORDS AT KEY WEST
DATE BACK TO 1872.

&&

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

&&

$$

PUBLIC/MARINE/CLIMATE/FIRE/DIGITAL...BS
AVIATION/NOWCASTS....................KBK
DATA ACQUISITION.....................CHESSER

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