775  
WWUS71 KLWX 071631  
NPWLWX  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1231 PM EDT MON JUL 7 2025  
 
MDZ008-011-013-014-016>018-508-VAZ057-080045-  
/O.NEW.KLWX.HT.Y.0006.250708T1700Z-250708T2300Z/  
CECIL-SOUTHERN BALTIMORE-PRINCE GEORGES-ANNE ARUNDEL-CHARLES-ST.  
MARYS-CALVERT-SOUTHEAST HARFORD-KING GEORGE-  
1231 PM EDT MON JUL 7 2025  
   
..HEAT ADVISORY IN EFFECT FROM 1 PM TO 7 PM EDT TUESDAY
 
 
* WHAT...HEAT INDEX VALUES UP TO 105 EXPECTED, UP TO 107 DEGREES  
CLOSER TO THE CHESAPEAKE BAY.  
 
* WHERE...IN MARYLAND, ANNE ARUNDEL, PRINCE GEORGES, CECIL,  
SOUTHEAST HARFORD, SOUTHERN BALTIMORE, CALVERT, CHARLES, AND ST.  
MARYS COUNTIES. IN VIRGINIA, KING GEORGE COUNTY.  
 
* WHEN...FROM 1 PM TO 7 PM EDT TUESDAY.  
 
* 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.  
 

 
 

 
 
BRO  
 
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