458
WWCA72 TJSJ 031403
NPWSJU
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN JUAN PR
1003 AM AST THU SEP 3 2026
PRZ001>013-VIZ001-002-032000-
/O.CON.TJSJ.HT.Y.0050.000000T0000Z-260903T2000Z/
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 COROZAL, GROVE PLACE, TOA ALTA, TRUJILLO
ALTO, CAYEY, AIBONITO, CHARLOTTE AMALIE WEST, FLORIDA, CIDRA,
FREDERIKSTED SOUTHEAST, FREDERIKSTED, AGUADA, LAJAS, HORMIGUEROS,
GUAYNABO, ARROYO, CABO ROJO, CAMUY, VEGA ALTA, OROCOVIS, LAS MARIAS,
LARES, RIO GRANDE, NARANJITO, GUANICA, CHARLOTTE AMALIE EAST, TOA
BAJA, DORADO, LOIZA, LUQUILLO, HATILLO, MOCA, VIEQUES, NAGUABO,
RINCON, COAMO, SALINAS, MAUNABO, YABUCOA, ADJUNTAS, GUAYAMA, UTUADO,
CIALES, PATILLAS, BAYAMON, SAN LORENZO, CANOVANAS, CHARLOTTE AMALIE,
SAN SEBASTIAN, FAJARDO, MANATI,
ANNA'S RETREAT, BARRANQUITAS, SAN GERMAN, GURABO, MARICAO, SAN
JUAN, CHRISTIANSTED, ISABELA, SABANA GRANDE, MOROVIS, COMERIO,
CAGUAS, GUAYANILLA, MAYAGUEZ, BARCELONETA, VILLALBA, JUNCOS, CULEBRA,
JAYUYA, ARECIBO, PONCE, JUANA DIAZ, CRUZ BAY, AGUADILLA, CATANO,
YAUCO, LAS PIEDRAS, CEIBA, QUEBRADILLAS, ANASCO, VEGA BAJA, HUMACAO,
AGUAS BUENAS, CAROLINA, SANTA ISABEL, AND PENUELAS
1003 AM AST THU SEP 3 2026
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 4 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...UNTIL 4 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.
MMC
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