Area Forecast Discussion
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000
FXUS62 KKEY 221822
AFDKEY

AREA FORECAST DISCUSSION FOR THE FLORIDA KEYS
NATIONAL WEATHER SERVICE KEY WEST FL
325 PM EDT TUE JUL 22 2014

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

.SHORT TERM (TONIGHT THROUGH FRIDAY)...
A LARGE MASS OF ENHANCED ATMOSPHERIC MOISTURE WILL SLOWLY PUSH
WESTWARD ACROSS THE FLORIDA KEYS TONIGHT. AS A RESULT...ADVERTISED
CLOUD COVER AND RAIN CHANCES TONIGHT WILL BE ABOVE NORMAL FOR THIS
TIME OF YEAR. AN ATLANTIC RIDGE OF HIGH PRESSURE WILL BUILD ACROSS
THE FLORIDA PENINSULA WEDNESDAY THROUGH FRIDAY. PRECIPITABLE WATER
VALUES SHOULD FALL BELOW ONE AND ONE HALF OF AN INCH THURSDAY. THIS
RELATIVELY DRY AIR MASS WILL REMAIN IN PLACE THURSDAY NIGHT AND
FRIDAY.

.LONG TERM (FRIDAY NIGHT THROUGH TUESDAY)...
AN ATLANTIC RIDGE OF HIGH PRESSURE WILL EXTEND ACROSS SOUTH CENTRAL
FLORIDA FRIDAY NIGHT THROUGH TUESDAY. THE LONG TERM PORTION OF THE
FORECAST WILL BE BASED ON CLIMATOLOGY.

&&

.MARINE...
LIGHT EAST TO SOUTHEAST BREEZES WILL PREVAIL ON ALL KEYS COASTAL
WATERS TONIGHT. NO ADVISORIES OR CAUTIONARY HEADLINES EXPECTED
TONIGHT THROUGH AT LEAST SUNDAY NIGHT.

&&

.AVIATION...
REST OF TODAY AND OVERNIGHT...VFR CONDITIONS WILL PREVAIL AT BOTH
THE KEY WEST INTERNATIONAL AND MARATHON AIRPORT ISLAND TERMINALS...
BUT SHORT LIVED MVFR/IF CIGS AND/OR VIS WILL BE LIKELY WITHIN
DEVELOPING WIDELY SCATTERED SHOWERS AND THUNDERSTORMS. AMENDMENTS
WILL BE ISSUED AS NEEDED. EXPECT SCATTERED TO BROKEN DECKS OF CLOUDS
WITH BASES AT OR ABOUT 2000-2500 FEET...5000-6000 FEET...AND
10000-12000 FEET RESPECTIVELY. SURFACE WINDS WILL BE VARIABLE AT 5
TO 10 KNOTS...BECOMING LIGHT AND SOUTHEAST AFTER 00Z.

&&

.CLIMATE...
ON THIS DATE IN KEYS WEATHER HISTORY...IN 1901...1.79 INCHES OF RAIN
FELL IN KEY WEST. THIS SET THE DAILY RECORD FOR MAXIMUM RAINFALL
MEASURED IN KEY WEST ON JULY 22ND...A RECORD WHICH STILL STANDS 113
YEARS LATER. RAINFALL RECORDS AT KEY WEST DATE BACK TO 1871.

&&

.PRELIMINARY POINT TEMPS/POPS...
KEY WEST  80 90 83 91 / 40 30 30 20
MARATHON  81 92 82 92 / 40 30 30 20

&&

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

&&

$$

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

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