771  
WWCA72 TJSJ 151436  
NPWSJU  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1036 AM AST SAT AUG 15 2026  
 
PRZ001>005-007-008-010>013-VIZ001-002-152100-  
/O.CON.TJSJ.HT.Y.0035.000000T0000Z-260815T2100Z/  
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 BAYAMON, CAYEY, CRUZ BAY, TRUJILLO ALTO,  
AGUADA, LAJAS, CHRISTIANSTED, SAN GERMAN, FREDERIKSTED SOUTHEAST,  
YAUCO, TOA ALTA, GURABO, GROVE PLACE, HATILLO, CEIBA, GUAYANILLA,  
CULEBRA, AGUADILLA, MANATI, FREDERIKSTED, ISABELA, CABO ROJO, AGUAS  
BUENAS, CHARLOTTE AMALIE, PONCE, MOCA, GUANICA, MAUNABO, LUQUILLO,  
VIEQUES, PENUELAS, HUMACAO, DORADO, ARROYO, COMERIO, FAJARDO, VEGA  
BAJA, JUANA DIAZ, BARCELONETA, TOA BAJA, PATILLAS,  
CIDRA, SAN LORENZO, SANTA ISABEL, QUEBRADILLAS, LOIZA, ANNA'S  
RETREAT, CANOVANAS, JUNCOS, ARECIBO, CAMUY, LAS PIEDRAS, FLORIDA,  
CATANO, NAGUABO, RIO GRANDE, CAROLINA, CAGUAS, SALINAS, VEGA ALTA,  
CHARLOTTE AMALIE WEST, HORMIGUEROS, RINCON, YABUCOA, SAN JUAN,  
GUAYNABO, ANASCO, CHARLOTTE AMALIE EAST, GUAYAMA, AND MAYAGUEZ  
1036 AM AST SAT AUG 15 2026  
   
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 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...UNTIL 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.  
 
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.  
 
 
 
 
 
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