582  
WWUS75 KPSR 180848  
NPWPSR  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE PHOENIX AZ  
148 AM PDT MON MAY 18 2026  
 
CAZ562-181000-  
/O.EXP.KPSR.WI.Y.0016.000000T0000Z-260518T0900Z/  
IMPERIAL COUNTY SOUTHWEST-  
INCLUDING THE CITIES OF MOUNTAIN SPRING  
148 AM PDT MON MAY 18 2026  
   
..WIND ADVISORY WILL EXPIRE AT 2 AM PDT EARLY THIS MORNING
 
 
WINDS CONTINUE TO SUBSIDE AND ARE NO LONGER EXPECTED TO POSE A  
SIGNIFICANT THREAT. THUS THE ADVISORY WILL BE ALLOWED TO EXPIRE.  
 

 
 
CAZ560-561-564-568>570-181800-  
/O.CON.KPSR.WI.Y.0016.000000T0000Z-260518T1800Z/  
JOSHUA TREE NP WEST-JOSHUA TREE NP EAST-CHUCKWALLA MOUNTAINS-  
CHIRIACO SUMMIT-PALO VERDE VALLEY-CHUCKWALLA VALLEY-  
INCLUDING THE CITIES OF PALO VERDE, CHIRIACO SUMMIT, IMPERIAL HOT  
MINERAL SPRINGS, COTTONWOOD VISITOR, MARTINEZ LAKE, BLYTHE,  
MIDLAND, LOST HORSE-KEYS VILLAGE, AND RIPLEY  
148 AM PDT MON MAY 18 2026  
   
..WIND ADVISORY REMAINS IN EFFECT UNTIL 11 AM PDT THIS MORNING
 
 
* WHAT...NORTH WINDS 15 TO 25 MPH WITH GUSTS UP TO 40 TO 50 MPH.  
 
* WHERE...WESTERN PORTION OF JOSHUA TREE NATIONAL PARK, EASTERN  
PORTION OF JOSHUA TREE NATIONAL PARK, CHUCKWALLA MOUNTAINS,  
CHIRIACO SUMMIT, PALO VERDE VALLEY, AND CHUCKWALLA VALLEY.  
 
* WHEN...UNTIL 11 AM PDT THIS MORNING.  
 
* IMPACTS...DIFFICULT DRIVING CONDITIONS, ESPECIALLY FOR LARGER  
VEHICLES TRAVELING ALONG ROADS WITH CROSSWINDS. LIGHT, UNSECURED  
OBJECTS MAY BECOME AIRBORNE.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A WIND ADVISORY MEANS THAT SUSTAINED WIND SPEEDS OF BETWEEN 30 AND  
40 MPH ARE EXPECTED, OR WIND GUSTS OF BETWEEN 40 AND 58 MPH. WINDS  
THIS STRONG CAN MAKE DRIVING DIFFICULT, ESPECIALLY FOR HIGH PROFILE  
VEHICLES.  
 
IN ADDITION, STRONG WINDS OVER DESERT AREAS COULD RESULT IN BRIEFLY  
LOWERED VISIBILITIES TO WELL UNDER A MILE AT TIMES IN BLOWING DUST  
OR BLOWING SAND. USE EXTRA CAUTION.  
 

 
 

 
 
SDB  
 
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