141
FXUS62 KKEY 150232
AFDKEY
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE KEY WEST FL
1032 PM EDT MON APR 14 2025
..NEW DISCUSSION, MARINE, AVIATION
DISCUSSION
ISSUED AT 1030 PM EDT MON APR 14 2025
IT HAS BEEN A CALM EVENING ACROSS THE FLORIDA KEYS. KBYX RADAR IS
NOT DETECTING ANY SHOWER ACTIVITY AND GOES EAST NIGHTTIME
MICROPHYSICS IMAGERY SHOWS SOME LOW LEVEL CUMULUS CLOUDS
STREAMING FROM EAST TO WEST INTO THE EASTERN STRAITS OF FLORIDA.
OTHERWISE, SKIES ARE MOSTLY CLEAR. TEMPERATURES ALONG THE ISLAND
CHAIN ARE IN THE LOWER TO MID 70S WITH DEW POINTS RANGING FROM 60
TO 65 DEGREES. SURFACE HIGH PRESSURE REMAINS IN PLACE ACROSS THE
WESTERN NORTH ATLANTIC EXTENDING WESTWARD THROUGH FLORIDA AND INTO
THE GULF. AS A RESULT, MARINE PLATFORMS ARE OBSERVING MAINLY
EASTERLY BREEZES OF 10 TO 15 KNOTS AND ISLAND CHAIN COMMUNITIES
ARE OBSERVING NEAR 10 MPH.
SHORT TERM FORECAST
THE 00Z EVENING SOUNDING REMAINS SIMILAR TO PRIOR EVENINGS WITH
VAST DRY AIR ABOVE APPROXIMATELY 850 MB WHERE A STOUT INVERSION IS
ALSO PRESENT. THE WIND PROFILE IS MAINLY EASTERLY WITH WIND SPEEDS
OF 10 TO 15 KNOTS. THE PWAT VALUE MEASURED CAME IN WITH 0.75
INCHES WHICH IS NOT TOO FAR AWAY FROM THE 10TH PERCENTILE FOR THE
DATE. OVERALL, EXPECTING A DRY NIGHT ACROSS THE KEYS WITH PERHAPS
SOME CLOUDS BETWEEN 4000-5000 FT AGL WHERE THE SHALLOW MOIST
LAYER REMAINS. THEREFORE, NO CHANGES EXPECTED WITH THIS FORECAST
UPDATE.
MARINE
ISSUED AT 1030 PM EDT MON APR 14 2025
THERE ARE CURRENTLY NO WATCHES, WARNINGS, OR ADVISORIES IN EFFECT
ACROSS THE FLORIDA KEYS COASTAL WATERS. FROM SYNOPSIS, HIGH
PRESSURE SETTLING ACROSS THE SOUTHEASTERN U.S. WILL LEAD TO A
PERIOD OF EASTERLY GENTLE BREEZES THROUGH TONIGHT. BREEZES WILL
SLACKEN AS A WEAK BACK DOOR FRONT PASSES THROUGH THE KEYS LATE
TUESDAY INTO WEDNESDAY. THEN, REINFORCING HIGH PRESSURE ARRIVES
TOWARDS THURSDAY LEADING TO A STRONGER ROUND OF FRESHENING
BREEZES.
AVIATION
(00Z TAFS)
ISSUED AT 1030 PM EDT MON APR 14 2025
VFR CONDITIONS ARE EXPECTED TO PERSIST AT BOTH TERMINALS THROUGH
THE TAF PERIOD. NEAR SURFACE WINDS ARE EXPECTED TO REMAIN EASTERLY
BETWEEN 5 TO 10 KNOTS THROUGH TUESDAY MORNING BEFORE SHIFTING
TO THE NORTH TO NORTHEAST DURING THE AFTERNOON CONTINUING INTO THE
EVENING HOURS.
PRELIMINARY POINT TEMPS/POPS
KEY WEST 82 73 82 71 / 0 0 0 0
MARATHON 80 73 80 71 / 0 0 0 0
KEY WATCHES/WARNINGS/ADVISORIES
FL...NONE.
GM...NONE.
PUBLIC/MARINE/FIRE...MJV
AVIATION/NOWCASTS....MJV
DATA ACQUISITION.....DR
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