838
WWUS72 KJAX 110404
NPWJAX
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1204 AM EDT TUE AUG 11 2026
FLZ021-023-024-030-031-035-038-120-124-125-132-136>138-140-220-225-
232-233-236-237-240-322-325-333-340-422-425-433-522-533-633-GAZ153-
154-165-166-112300-
/O.NEW.KJAX.HT.Y.0016.260811T1600Z-260811T2300Z/
SUWANNEE-BAKER-INLAND NASSAU-UNION-BRADFORD-GILCHRIST-INLAND
FLAGLER-EASTERN HAMILTON-COASTAL NASSAU-COASTAL DUVAL-EASTERN
CLAY-EASTERN ALACHUA-EASTERN PUTNAM-COASTAL FLAGLER-EASTERN
MARION-WESTERN HAMILTON-TROUT RIVER-WESTERN CLAY-NORTHEAST
COASTAL ST. JOHNS-WESTERN ALACHUA-WESTERN PUTNAM-CENTRAL MARION-
NORTHERN COLUMBIA-SOUTH CENTRAL DUVAL-SOUTHEAST COASTAL ST. JOHNS-
WESTERN MARION-SOUTHEASTERN COLUMBIA-WESTERN DUVAL-NORTHERN
INLAND ST. JOHNS-SOUTHWESTERN COLUMBIA-SOUTHERN INLAND ST. JOHNS-
WESTERN ST. JOHNS-INLAND GLYNN-COASTAL GLYNN-INLAND CAMDEN-
COASTAL CAMDEN-
INCLUDING THE CITIES OF STARKE, HOUSTON, BELMONT, RIVERSIDE, OLUSTEE,
SUWANNEE RIVER STATION, THALMANN, WINFIELD, SAINT AUGUSTINE SHORE,
HIGH SPRINGS, HILLIARD, NEW RIVER, NEWBERRY, COUNTRY CLUB ESTATE,
SAINT AUGUSTINE BEACH, ORANGE PARK, TALLYRAND, LULU, DOCK JUNCTION,
SEA ISLAND, NORMANDY, DUNGENESS, NEWNANS LAKE, ARCHER, OLENO STATE
PARK, PICOLATA, SUWANNEE VALLEY, BLUE SPRINGS, BAKERSVILLE,
WEIRSDALE, SAINT AUGUSTINE SOUTH, OCALA, FRUIT COVE, LIVE OAK, BUTLER
BEACH, BUNNELL, GAINESVILLE AIRPORT, MIDDLEBURG, COLESBURG,
ANDALUSIA, BURBANK, ANTHONY, GREEN COVE SPRINGS, LAKESIDE, LAKE
BUTLER, OCEANWAY, ESPANOLA, TRENTON, TARBORO, NEWBURN, SUWANNEE
SPRINGS, COLUMBIA,
DURBIN, RATLIFF, ST. SIMONS, KINGS FERRY, YULEE, WHITE SPRINGS,
BOSTWICK, ARLINGTON, CARRAWAY, DOCTORS INLET, ORTEGA, SWITZERLAND,
SAINT AUGUSTINE, DUPONT CENTER, KINGSLAND, DOVER BLUFF, JENNINGS,
WEST LAKE, PALATKA, ANASTASIA, WAVERLY, MCALPIN, LAKE CITY,
FERNANDINA BEACH, PONTE VEDRA BEACH, JACKSONVILLE, BELLAIR,
WATERTOWN, PALM COAST, BRYCEVILLE, GLYNN HAVEN, OCALA AIRPORT, MOSS
BLUFF, PALM VALLEY, JASPER, GAINESVILLE, MACCLENNY, JEKYLL ISLAND,
LYNNE, SAN MARCO, AMELIA CITY, AND WOODBINE
1204 AM EDT TUE AUG 11 2026
...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS
EVENING...
* WHAT...HEAT INDEX VALUES UP TO 110 EXPECTED.
* WHERE...PORTIONS OF NORTHEAST AND NORTHERN FLORIDA AND SOUTHEAST
GEORGIA.
* WHEN...FROM NOON TODAY TO 7 PM EDT THIS EVENING.
* IMPACTS...HOT TEMPERATURES AND HIGH HUMIDITY MAY CAUSE HEAT
ILLNESSES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.
FOR MORE INFORMATION, VISIT US AT WWW.WEATHER.GOV/JAX
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