538  
WWUS75 KPSR 272027  
NPWPSR  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE PHOENIX AZ  
127 PM MST SAT FEB 27 2021  
 
CAZ560-564-565-568-281100-  
/O.NEW.KPSR.WI.Y.0005.210228T0800Z-210228T2300Z/  
JOSHUA TREE NP WEST-CHUCKWALLA MOUNTAINS-  
IMPERIAL COUNTY SOUTHEAST-CHIRIACO SUMMIT-  
INCLUDING THE CITIES OF COTTONWOOD VISITOR,  
LOST HORSE-KEYS VILLAGE, IMPERIAL HOT MINERAL SPRINGS,  
WINTERHAVEN, AND CHIRIACO SUMMIT  
1227 PM PST SAT FEB 27 2021  
 
...WIND ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM PST  
SUNDAY...  
 
* WHAT...NORTH WINDS 20 TO 30 MPH WITH GUSTS UP TO 50 MPH  
EXPECTED.  
 
* WHERE...WESTERN PORTION OF JOSHUA TREE NATIONAL PARK,  
CHUCKWALLA MOUNTAINS, SOUTHEASTERN IMPERIAL COUNTY AND  
CHIRIACO SUMMIT.  
 
* WHEN...FROM MIDNIGHT TONIGHT TO 3 PM PST SUNDAY.  
 
* IMPACTS...DIFFICULT DRIVING CONDITIONS, ESPECIALLY FOR LARGER  
VEHICLES TRAVELING ALONG ROADS WITH CROSSWINDS LIKE I-10. LIGHT,  
UNSECURED OBJECTS MAY BECOME AIRBORNE. PATCHY BLOWING DUST MAY  
MAY LEAD TO BRIEF DROPS IN VISIBILITY.  
 
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.  
 

 
 

 
 
AZZ530>533-535-536-CAZ569-570-281100-  
/O.NEW.KPSR.WI.Y.0005.210228T1200Z-210228T2300Z/  
PARKER VALLEY-KOFA-YUMA-CENTRAL LA PAZ-SOUTHEAST YUMA COUNTY-  
GILA RIVER VALLEY-PALO VERDE VALLEY-CHUCKWALLA VALLEY-  
INCLUDING THE CITIES OF PARKER, EHRENBERG, PALM CANYON, YUMA,  
FORTUNA FOOTHILLS, BRENDA, HARCUVAR, QUARTZSITE, VICKSBURG,  
VICKSBURG JUNCTION, SALOME, LIGURTA, MARTINEZ LAKE, BLYTHE,  
PALO VERDE, RIPLEY, AND MIDLAND  
127 PM MST SAT FEB 27 2021 /1227 PM PST SAT FEB 27 2021/  
 
...WIND ADVISORY IN EFFECT FROM 5 AM MST/4 AM PST TO 4 PM MST/3  
PM PST SUNDAY...  
 
* WHAT...NORTH WINDS 15 TO 25 MPH WITH GUSTS UP TO 40 TO 45 MPH  
EXPECTED.  
 
* WHERE...IN ARIZONA, PARKER VALLEY, KOFA, YUMA, CENTRAL LA PAZ  
COUNTY, SOUTHEAST YUMA COUNTY AND GILA RIVER VALLEY. IN  
CALIFORNIA, PALO VERDE VALLEY AND CHUCKWALLA VALLEY.  
 
* WHEN...FROM 5 AM MST/4 AM PST TO 4 PM MST/3 PM PST SUNDAY.  
 
* IMPACTS...DIFFICULT DRIVING CONDITIONS, ESPECIALLY FOR LARGER  
VEHICLES TRAVELING ALONG ROADS WITH CROSSWINDS. GREATEST IMPACTS  
WILL BE TO I-10 AND I-8 LIGHT, UNSECURED OBJECTS MAY BECOME  
AIRBORNE. PATCHY BLOWING DUST MAY MAY LEAD TO BRIEF DROPS IN  
VISIBILITY.  
 
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.  
 

 
 

 
 
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