221
WWCA72 TJSJ 310656
NPWSJU
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN JUAN PR
256 AM AST FRI OCT 31 2025
PRZ001>005-007-008-010>013-VIZ001-002-311500-
/O.NEW.TJSJ.HT.Y.0082.251031T1400Z-251031T2000Z/
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 YAUCO, SALINAS, CHARLOTTE AMALIE EAST,
SAN JUAN, CHRISTIANSTED, FREDERIKSTED SOUTHEAST, LOIZA, COMERIO,
GUAYAMA, ARROYO, CABO ROJO, GUANICA, TOA ALTA, CULEBRA, HUMACAO,
FREDERIKSTED, LUQUILLO, GUAYNABO, VIEQUES, MAUNABO, TRUJILLO
ALTO, CEIBA, QUEBRADILLAS, DORADO, AGUADA, HORMIGUEROS, GROVE
PLACE, SANTA ISABEL, CHARLOTTE AMALIE WEST, PATILLAS, LAS
PIEDRAS, PONCE, AGUADILLA, HATILLO, ISABELA, GURABO, ARECIBO,
RINCON, RIO GRANDE, CAMUY, SAN GERMAN, GUAYANILLA, CAGUAS,
BAYAMON, MAYAGUEZ, VEGA BAJA, VEGA ALTA, LAJAS, MOCA, CANOVANAS,
AGUAS BUENAS, YABUCOA, ANNA'S RETREAT, CATANO, TOA BAJA, JUANA
DIAZ, CRUZ BAY, JUNCOS, FLORIDA, CIDRA, FAJARDO, CAROLINA, SAN
LORENZO, CHARLOTTE AMALIE, BARCELONETA, MANATI, NAGUABO,
PENUELAS, ANASCO, AND CAYEY
256 AM AST FRI OCT 31 2025
...HEAT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 4 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...ALL URBAN AND COASTAL AREAS OF PUERTO RICO, AS WELL AS THE
EASTERN INTERIOR OF PUERTO RICO, VIEQUES, CULEBRA, AND THE U.S.
VIRGIN ISLANDS.
* WHEN...FROM 10 AM THIS MORNING TO 4 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.
GRS
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