189
FXUS62 KKEY 070329
AFDKEY
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE KEY WEST FL
1029 PM EST TUE JAN 6 2026
..NEW DISCUSSION, MARINE, AVIATION
KEY MESSAGES
-MEASURABLE RAIN CHANCES WILL REMAIN NEAR-NIL THROUGH AT LEAST
MID-WEEK.
-TEMPERATURES WILL BE SEASONABLY WARM THROUGH THE WORK WEEK, WITH
HIGHS IN THE MID TO UPPER 70S, AND LOWS IN THE UPPER 60S TO NEAR
70.
-CONFIDENCE IS INCREASING FOR A POTENTIALLY STRONG FRONTAL PASSAGE
AROUND THE END OF THE WEEKEND OR EARLY NEXT WORK WEEK.
DISCUSSION
ISSUED AT 945 PM EST TUE JAN 6 2026
A FAIRLY NARROW SURFACE RIDGE REACHES FROM AN ATLANTIC HIGH,
ACROSS FLORIDA AND OUT ACROSS THE GULF. THE PROXIMITY OF THE RIDGE
HAS RESULTED IN QUITE LIGHT NORTHEAST TO EASTERLY BREEZES ACROSS
OUR AREA. MEANWHILE THE KEYS ARE WITHIN THE NORTHEASTERN FRINGES
OF A MID THROUGH UPPER LEVEL RIDGING CENTERED OVER THE YUCATAN.
THIS IS MAINTAINING STABLE CONDITIONS WITH A SHARP AND STRONG
SUBSIDENCE INVERSION BASED AROUND 850 MB. THIS EVENINGS SOUNDING
INDICATED MOST OF THE MOISTURE IS TRAPPED BELOW THE INVERSION WITH
A PRECIPITABLE WATER OF SLIGHTLY BELOW ONE INCH. ISOLATED LOW
TOPPED SHOWERS PERSIST, BUT VIRTUALLY ENTIRELY RELEGATED TO THE
FLORIDA STRAITS.
NO SIGNIFICANT CHANGE IS EXPECTED TO THE WEATHER REGIME OVERNIGHT.
AS A RESULT, EXPECT LIGHT NORTHEAST TO EASTERLY BREEZES TO
CONTINUE. MOISTURE WILL REMAIN UNCHANGED WITH SURFACE DEW POINTS
LINGERING IN THE MID TO UPPER 60S. MOSTLY CLEAR SKIES SHOULD ALLOW
SOME LOCATIONS TO RADIATE, RESULTING IN OVERNIGHT LOWS RANGING
FROM THE MID 60S TO NEAR 70. RAIN CHANCES WILL BE QUITE SMALL AND
KEPT OUT OF THE FORECAST FOR THE OVERNIGHT.
MARINE
ISSUED AT 945 PM EST TUE JAN 6 2026
A NARROW SURFACE RIDGE ACROSS SOUTH FLORIDA WILL RESULT IN LIGHT
MOSTLY NORTHEAST TO EASTERLY BREEZES ON KEYS WATERS OVERNIGHT. NO
CHANGES PLANNED FOR THE EVENING MARINE UPDATE.
AVIATION
(00Z TAFS)
ISSUED AT 945 PM EST TUE JAN 6 2026
VFR CONDITIONS WILL PREVAIL AT THE ISLAND TERMINALS OVERNIGHT.
SURFACE WINDS WILL BE LIGHT AND BROADLY NORTHEAST TO EASTERLY.
HOWEVER, SPELLS OF CALM OR VARIABLE IS LIKELY.
KEY WATCHES/WARNINGS/ADVISORIES
FL...NONE.
GM...NONE.
PUBLIC/MARINE/FIRE...11
AVIATION/NOWCASTS....11
DATA ACQUISITION.....AJP
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