321
WWCA72 TJSJ 040602
NPWSJU
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN JUAN PR
202 AM AST FRI SEP 4 2026
PRZ001>013-VIZ001-002-042100-
/O.NEW.TJSJ.HT.Y.0051.260904T1400Z-260904T2100Z/
SAN JUAN AND VICINITY-NORTHEAST-SOUTHEAST-EASTERN INTERIOR-NORTH
CENTRAL-CENTRAL INTERIOR-PONCE AND VICINITY-NORTHWEST-WESTERN
INTERIOR-MAYAGUEZ AND VICINITY-SOUTHWEST-CULEBRA-VIEQUES-
ST.THOMAS...ST. JOHN...AND ADJACENT ISLANDS-ST CROIX-
INCLUDING THE CITIES OF ISABELA, MOROVIS, CABO ROJO, FREDERIKSTED
SOUTHEAST, CHARLOTTE AMALIE WEST, CAGUAS, CHARLOTTE AMALIE EAST,
HUMACAO, VILLALBA, SALINAS, BARCELONETA, MARICAO, CIALES, LOIZA,
SANTA ISABEL, LARES, TOA ALTA, CAMUY, PATILLAS, SAN JUAN, BAYAMON,
MANATI, YAUCO, LAJAS, CIDRA, CRUZ BAY, MOCA, CULEBRA, GROVE PLACE,
QUEBRADILLAS, COROZAL, VEGA ALTA, JAYUYA, PENUELAS, PONCE, CATANO,
SAN GERMAN, VIEQUES, HATILLO, CAYEY, ADJUNTAS, ANASCO, UTUADO, VEGA
BAJA, TRUJILLO ALTO, SABANA GRANDE, NAGUABO, BARRANQUITAS, FAJARDO,
CHARLOTTE AMALIE, ARROYO, COAMO, FREDERIKSTED, AGUADA, YABUCOA,
GUAYANILLA, CAROLINA, RIO GRANDE, SAN LORENZO, OROCOVIS, DORADO,
HORMIGUEROS, JUANA DIAZ,
AGUADILLA, RINCON, LAS MARIAS, ARECIBO, ANNA'S RETREAT, JUNCOS,
GUAYAMA, CEIBA, AGUAS BUENAS, MAUNABO, FLORIDA, AIBONITO, MAYAGUEZ,
TOA BAJA, LUQUILLO, GUANICA, GUAYNABO, COMERIO, LAS PIEDRAS,
NARANJITO, CHRISTIANSTED, SAN SEBASTIAN, CANOVANAS, AND GURABO
202 AM AST FRI SEP 4 2026
...HEAT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 5 PM AST THIS
AFTERNOON...
* WHAT...THIS LEVEL OF HEAT AFFECTS MOST INDIVIDUALS SENSITIVE TO
HEAT, ESPECIALLY THOSE WITHOUT EFFECTIVE COOLING AND/OR ADEQUATE
HYDRATION.
* WHERE...PORTIONS OF PUERTO RICO AND VIRGIN ISLANDS.
* WHEN...FROM 10 AM THIS MORNING TO 5 PM AST THIS AFTERNOON.
* IMPACTS...HIGH TEMPERATURES OR ELEVATED HEAT INDICES CAN WORSEN
SYMPTOMS IN PEOPLE WITH CHRONIC CONDITIONS. THEY CAN ALSO INCREASE
THE RISK OF HEAT-RELATED ILLNESS AMONG INDIVIDUALS SENSITIVE TO
HEAT WITH INADEQUATE COOLING OR HYDRATION. THESE RISKS ARE HIGHEST
ACROSS COASTAL AREAS, LOWLANDS, INTERIOR VALLEYS, AND URBAN ZONES.
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.
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.
CVB
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