284  
WWCA72 TJSJ 070842  
NPWSJU  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE SAN JUAN PR  
442 AM AST SUN APR 7 2024  
 
PRZ001-005-008-010-071645-  
/O.NEW.TJSJ.HT.Y.0002.240407T1400Z-240407T2100Z/  
SAN JUAN AND VICINITY-NORTH CENTRAL-NORTHWEST-  
MAYAGUEZ AND VICINITY-  
INCLUDING THE CITIES OF BAYAMON, CAROLINA, CATANO, GUAYNABO,  
SAN JUAN, TOA ALTA, TOA BAJA, TRUJILLO ALTO, ARECIBO,  
BARCELONETA, DORADO, FLORIDA, MANATI, VEGA ALTA, VEGA BAJA,  
AGUADILLA, CAMUY, HATILLO, ISABELA, QUEBRADILLAS, AGUADA, ANASCO,  
HORMIGUEROS, MAYAGUEZ, MOCA, RINCON, AND SAN GERMAN  
442 AM AST SUN APR 7 2024  
 
...HEAT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 5 PM AST  
THIS AFTERNOON...  
 
* WHAT...THE COMBINATION OF ABOVE NORMAL AIR TEMPERATURE AND HIGH  
HUMIDITY CREATES HEAT INDICES BETWEEN 108 AND 111 DEGREES  
FAHRENHEIT.  
 
* WHERE...THE URBAN AND COASTAL SECTIONS FROM THE WESTERN PR TO  
THE SAN JUAN METROPOLITAN AREA.  
 
* WHEN...FROM MID MORNING TO THIS AFTERNOON.  
 
* IMPACTS...HEAT EXHAUSTION LIKELY WITH PROLONGED EXPOSURE. HEAT  
STROKE POSSIBLE.  
 
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.  
 
MONITOR THE LATEST FORECASTS AND WARNINGS FOR UPDATES.  
 

 
 

 
 
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