Area Forecast Discussion
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FXUS62 KKEY 280222
AFDKEY

AREA FORECAST DISCUSSION FOR THE FLORIDA KEYS
NATIONAL WEATHER SERVICE KEY WEST FL
1018 PM EDT SUN JUL 27 2014

.DISCUSSION...
.CURRENTLY...
UNDER MOSTLY CLEAR SKIES AND LIGHT AND VARIABLE WINDS...TEMPERATURES
RANGE BETWEEN 80 AND 85 DEGREES ALONG THE ISLAND CHAIN.
MEANWHILE...LOCAL RADARS ARE NOT DETECTING ANY PRECIPITATION ECHOES
IN OUR ENTIRE AREA. SURFACE WISE...AN ELONGATED...EAST-WEST ORIENTED
RIDGE LIES ACROSS EXTREME SOUTH FLORIDA AND THE UPPER
KEYS...RESULTING IN VARIABLE WINDS OF LESS THAN 5 KNOTS.
OTHERWISE...OUR EVENING SOUNDING REVEALS SCANT MOISTURE (PWAT 1.30
INCHES) WITH A 2 DEGREE C INVERSION BASED AT 900 MB...BUT AN
IMPRESSIVE 21 DEGREE C TEMPERATURE/DEWPOINT DEPRESSION AT 850 MB.
LIGHT AND CHAOTIC WINDS REACH UP TO 600 MB...BEFORE BECOMING LIGHT
EAST ABOVE.

.FORECAST...(REST OF TONIGHT)...
A DEEP TROPOSPHERIC WESTERN ATLANTIC RIDGE EXTENDING ACROSS SOUTH
FLORIDA WITH AN EMBEDDED AREA OF SAHARAN AIR WILL PRECLUDE SHOWER
ACTIVITY OVER THE ISLAND CHAIN. UNDER MOSTLY CLEAR TO PARTLY CLOUDY
SKIES...LIGHT AND VARIABLE WINDS WILL ALLOW LOW TEMPERATURES TO
RANGE FROM THE MID 70S IN A FEW INTERIOR LOCATIONS OF THE LARGER
ISLANDS...TO THE LOWER 80S ON THE SOUTH FACING COMMUNITIES.
&&

.MARINE...LIGHT AND VARIABLE WINDS WILL BECOME MOSTLY SOUTHEAST
OVERNIGHT AND MONDAY MORNING...BEFORE TURNING WEST NEAR 5 KNOTS
MONDAY AFTERNOON.

&&

.AVIATION...
OVERNIGHT...VFR WILL PREVAIL AT THE EYW AND MTH TERMINALS. A FEW
MARITIME CU WILL ENCROACH THE TERMINALS AROUND SUNRISE...CIGS NOT
EXPECTED. WINDS WILL BE VARIABLE AND LESS THAN 5 KNOTS FROM THE
SURFACE THROUGH 10 KFT.

&&

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

$$

PUBLIC/MARINE.........APA
AVIATION/NOWCASTS.....CLR
DATA COLLECTION.......EV

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