250
WWCA72 TJSJ 090830
NPWSJU
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN JUAN PR
430 AM AST THU OCT 9 2025
PRZ001>005-007-008-010>013-VIZ001-002-091630-
/O.NEW.TJSJ.HT.Y.0076.251009T1400Z-251009T2000Z/
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 LAS PIEDRAS, TRUJILLO ALTO, HORMIGUEROS,
LAJAS, CABO ROJO, LUQUILLO, RIO GRANDE, GUAYAMA, PATILLAS,
AGUADA, DORADO, COMERIO, QUEBRADILLAS, MAYAGUEZ, CANOVANAS, SAN
JUAN, RINCON, ANNA'S RETREAT, FLORIDA, CHARLOTTE AMALIE EAST,
FREDERIKSTED SOUTHEAST, SANTA ISABEL, BAYAMON, HUMACAO, CAYEY,
HATILLO, CULEBRA, CAROLINA, TOA BAJA, ISABELA, ANASCO, YAUCO,
BARCELONETA, VIEQUES, LOIZA, CAMUY, CATANO, SALINAS, PONCE,
GUANICA, CHARLOTTE AMALIE, FREDERIKSTED, ARECIBO, VEGA ALTA, SAN
GERMAN, CHARLOTTE AMALIE WEST, GROVE PLACE, CEIBA, FAJARDO,
NAGUABO, MOCA, MAUNABO, GUAYNABO, CAGUAS, MANATI, VEGA BAJA,
AGUADILLA, CRUZ BAY, AGUAS BUENAS, GURABO, SAN LORENZO, YABUCOA,
TOA ALTA, CIDRA, JUNCOS, PENUELAS, JUANA DIAZ, CHRISTIANSTED,
ARROYO, AND GUAYANILLA
430 AM AST THU OCT 9 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 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.
TO REDUCE RISK DURING OUTDOOR WORK, THE OCCUPATIONAL SAFETY AND
HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN
SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT
SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN
EMERGENCY! CALL 9 1 1.
YZR
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