280
WWCA72 TJSJ 100734
NPWSJU
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN JUAN PR
334 AM AST WED SEP 10 2025
PRZ001>005-007-008-010>013-VIZ001-002-101545-
/O.NEW.TJSJ.HT.Y.0059.250910T1400Z-250910T2100Z/
SAN JUAN AND VICINITY-NORTHEAST-SOUTHEAST-EASTERN INTERIOR-NORTH
CENTRAL-PONCE AND VICINITY-NORTHWEST-MAYAGUEZ AND VICINITY-
SOUTHWEST-CULEBRA-VIEQUES-ST.THOMAS...ST. JOHN...AND ADJACENT
ISLANDS-ST CROIX-
INCLUDING THE CITIES OF ARECIBO, SAN GERMAN, TRUJILLO ALTO, JUANA
DIAZ, FAJARDO, CIDRA, TOA BAJA, VEGA ALTA, LAJAS, VIEQUES,
LUQUILLO, MOCA, CEIBA, GROVE PLACE, ISABELA, ARROYO, GUAYNABO,
FREDERIKSTED SOUTHEAST, VEGA BAJA, AGUADILLA, FLORIDA,
QUEBRADILLAS, HUMACAO, LAS PIEDRAS, MAYAGUEZ, YAUCO, MAUNABO,
SALINAS, GUAYAMA, GUAYANILLA, CAGUAS, CANOVANAS, AGUADA, CATANO,
SAN JUAN, AGUAS BUENAS, CAYEY, DORADO, SANTA ISABEL, GURABO,
JUNCOS, RIO GRANDE, HATILLO, ANASCO, CHARLOTTE AMALIE EAST,
ANNA'S RETREAT, YABUCOA, FREDERIKSTED, LOIZA, BAYAMON, CHARLOTTE
AMALIE WEST, TOA ALTA, NAGUABO, CHRISTIANSTED, PATILLAS, CAMUY,
RINCON, PONCE, CRUZ BAY, MANATI, BARCELONETA, SAN LORENZO,
PENUELAS, HORMIGUEROS, CABO ROJO, GUANICA, CHARLOTTE AMALIE,
CAROLINA, CULEBRA, AND COMERIO
334 AM AST WED SEP 10 2025
...HEAT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 5 PM AST THIS
AFTERNOON...
* WHAT...THIS LEVEL OF HEAT AFFECT MOST INDIVIDUALS SENSITIVE TO
HEAT, ESPECIALLY THOSE WITHOUT EFFECTIVE COOLING AND/OR ADEQUATE
HYDRATION. IMPACTS POSSIBLE IN SOME HEALTH SYSTEM AND IN
HEAT-SENSITIVE INDUSTRIES.
* WHERE...URBAN AND COASTAL AREAS OF THE US VIRGIN ISLANDS AND
PUERTO RICO, AS WELL AS THE VALLEYS OF THE EASTERN INTERIOR.
* WHEN...FROM 10 AM THIS MORNING TO 5 PM AST THIS AFTERNOON.
* 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.
TAKE EXTRA PRECAUTIONS WHEN OUTSIDE. WEAR LIGHTWEIGHT AND LOOSE
FITTING CLOTHING. TRY TO LIMIT STRENUOUS ACTIVITIES TO EARLY MORNING
OR EVENING. TAKE ACTION WHEN YOU SEE SYMPTOMS OF HEAT EXHAUSTION AND
HEAT STROKE.
MONITOR THE LATEST FORECASTS AND WARNINGS FOR UPDATES.
CAM
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