Area Forecast Discussion
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000
FXUS62 KKEY 031326
AFDKEY

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE KEY WEST FL
930 AM EDT WED JUN 3 2015

.DISCUSSION...
.CURRENTLY...
KBYX DETECTS NUMEROUS SHOWERS THROUGHOUT THE FORECAST AREA. SKIES
OVER THE ISLAND CHAIN ARE CLOUDY. WINDS OVER LAND ARE NORTH TO
NORTHEAST AT 5 TO 10 MPH. C-MAN WINDS...ON AVERAGE...ARE SOUTHEAST
NEAR 10 KNOTS. TEMPERATURES ARE IN THE MID TO UPPER 70S.

.SHORT TERM (THIS AFTERNOON)...
IN THE LOW TO MID LEVELS OF THE ATMOSPHERE...A TROUGH OF LOW
PRESSURE WILL BE CENTERED OVER THE NORTHWEST CARIBBEAN SEA THIS
AFTERNOON. IN THE UPPER LEVELS OF THE ATMOSPHERE...A TROUGH OF LOW
PRESSURE WILL PROGRESS EASTWARD ACROSS THE EASTERN GULF OF MEXICO
TODAY. THE 12Z KKEY SOUNDING IS MODERATELY UNSTABLE AND EXTREMELY
MOIST FOR THIS TIME OF YEAR...WITH A PRECIPITABLE WATER (PWAT) VALUE
OF TWO INCHES. ATMOSPHERIC MOISTURE WILL DECREASE THIS AFTERNOON. BY
SUNSET THIS EVENING...PWAT VALUES WILL BE JUST ABOVE ONE AND THREE
QUARTERS OF AN INCH...WHICH IS STILL WELL ABOVE NORMAL FOR THIS TIME
OF YEAR. CYCLONIC FLOW IN ALL LEVELS OF THE ATMOSPHERE COUPLED WITH
A MOIST AND UNSTABLE AIR MASS IN PLACE WILL BE RESPONSIBLE FOR RAIN
CHANCES TODAY WELL ABOVE NORMAL FOR THE BEGINNING OF JUNE.

&&

.MARINE...
GENTLE SOUTHEAST BREEZES WILL PREVAIL ON ALL KEYS COASTAL WATERS
THIS AFTERNOON. NO ADVISORIES OR CAUTIONARY HEADLINES EXPECTED TODAY
THROUGH AT LEAST SUNDAY NIGHT.

&&

.AVIATION...
REST OF TODAY...SHORT PERIODS OF MVFR AND/OR IFR CIGS AND VIS WILL
BE POSSIBLE IN SCATTERED TO NUMEROUS SHOWERS THROUGH 20Z...WITH
ISOLATED SURFACE WIND GUSTS TO 25 KNOTS POSSIBLE IN STRONGER
SHOWERS. SCATTERED CLOUDS WILL BE FOUND AT OR ABOUT FL020...BUT
BASES MAY GO TEMPORARILY LOW AS BETWEEN FL012-015 IN HEAVIER
SHOWERS...AND AN OVERCAST VFR DECK ABOVE THAT...WITH BASES AT
FL040-060.

&&

.CLIMATE...
ON THIS DATE IN FLORIDA KEYS WEATHER HISTORY...IN 1982...THE CENTER
OF CATEGORY 1 HURRICANE ALBERTO MOVED NORTHWARD LESS THAN 25 MILES
WEST OF THE DRY TORTUGAS. A MAXIMUM WIND OF ABOUT 70 MPH WAS
MEASURED AT THE DRY TORTUGAS. A 24-HOUR RAINFALL AMOUNT OF 16.47
INCHES WAS MEASURED IN TAVERNIER. IN ADDITION...6.25 INCHES OF RAIN
FELL AT KEY WEST INTERNATIONAL AIRPORT DURING A 24-HOUR PERIOD
ENDING AT NOON ON JUNE 4TH...1982.

&&

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

&&

$$

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

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