670
FXUS62 KKEY 280243
AFDKEY
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE KEY WEST FL
1043 PM EDT MON JUL 27 2026
..NEW DISCUSSION, MARINE, AVIATION
KEY MESSAGES
- RAIN AND THUNDER CHANCES WILL REMAIN ABOVE NORMAL TONIGHT AND
TOMORROW, AND WILL GRADUALLY DECREASE INTO THE MIDWEEK.
- HEAT INDICES MAY APPROACH 105 TO 110 DEGREES EACH AFTERNOON FOR
SOME FLORIDA KEYS ISLAND COMMUNITIES, ESPECIALLY IN THE UPPER
KEYS.
DISCUSSION
ISSUED AT 1007 PM EDT MON JUL 27 2026
A PERSISTENT UPPER MID LATITUDE TROUGHING WILL REMAIN ALIGNED
ALONG THE ATLANTIC COAST. THIS IS REFLECTED AT THE SURFACE AND
LOWER LEVELS AS TROUGHING DRAPED ALONG THE EASTERN SEABOARD AND
INTO THE NORTHEASTERN GULF. THIS HAS SETUP A STALLED ZONE OF MOIST
CONFLUENT FLOW ACROSS FLORIDA AND THE SOUTHEAST. PRECIPITABLE
WATER REMAINS VERY HIGH ABOVE 2 INCHES WITH ESSENTIALLY NO
INHIBITION AND AMPLE CAPE. ALL THIS WILL REMAIN SUPPORTIVE OF
BOUTS OF SCATTERED TO NUMEROUS SHOWERS WITH EMBEDDED
THUNDERSTORMS. THE BROADNESS OF THE SURFACE TROUGH IS KEEPING
OVERALL WINDS SPEEDS LIGHT TO GENTLE OUT OF THE SOUTHWEST TO
WEST. EXPECT OVERNIGHT LOWS IN THE LOWER TO MID 80S AND DEW POINTS
IN THE MID 70S.
MARINE
ISSUED AT 1007 PM EDT MON JUL 27 2026
BROAD WEAK TROUGHING WILL REMAIN STUCK ACROSS THE OUR AREA THROUGH
THE FORECAST. THIS WILL GENERALLY KEEP BREEZES LIGHT TO GENTLE OUT
OF THE SOUTHWEST TO WEST ACROSS KEYS WATERS. THERE MAY BE DAILY
BRIEF WIND SURGES IN THE AFTERNOON OVER WATERS NEAR KEY LARGO DUE
TO THE COMBINATION OF THE TROUGH AND DAY TIME HEATING.
AVIATION
(00Z TAFS)
ISSUED AT 1007 PM EDT MON JUL 27 2026
A WET WEATHER PATTERN REMAINS ENTRENCHED ACROSS OUR AREA. AS
A RESULT, WHILE VFR CONDITIONS WILL PREVAIL, EXPECT BOUTS OF SUB
VFR CONDITIONS DUE TO ROUNDS OF SCATTERED SHOWERS AND A FEW
THUNDERSTORMS. SURFACE WINDS WILL BE LIGHT TO GENTLE OUT OF THE
SOUTHWEST TO WEST.
KEY WATCHES/WARNINGS/ADVISORIES
FL...NONE.
GM...NONE.
PUBLIC/MARINE/FIRE...11
AVIATION/NOWCASTS....11
DATA ACQUISITION.....DP
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