156  
WWUS75 KPSR 202131  
NPWPSR  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE PHOENIX AZ  
231 PM MST WED SEP 20 2017  
 
CAZ560>563-566>568-210945-  
/O.NEW.KPSR.WI.Y.0023.170921T1800Z-170922T0800Z/  
JOSHUA TREE NP WEST-JOSHUA TREE NP EAST-IMPERIAL COUNTY SOUTHWEST-  
SALTON SEA-IMPERIAL COUNTY WEST-IMPERIAL VALLEY-CHIRIACO SUMMIT-  
INCLUDING THE CITIES OF COTTONWOOD VISITOR,  
LOST HORSE-KEYS VILLAGE, MOUNTAIN SPRING, DESERT SHORES,  
COOLIDGE SPRINGS, SALTON CITY, WINONA, COYOTE WELLS, OCOTILLO,  
PLASTER CITY, EL CENTRO, CALEXICO, ALAMORIO, BRAWLEY,  
AND CHIRIACO SUMMIT  
231 PM PDT WED SEP 20 2017  
 
...WIND ADVISORY IN EFFECT FROM 11 AM THURSDAY TO 1 AM PDT  
FRIDAY...  
 
THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A WIND  
ADVISORY, WHICH IS IN EFFECT FROM 11 AM THURSDAY TO 1 AM PDT  
FRIDAY.  
 
* AFFECTED AREA...WESTERN IMPERIAL COUNTY AND PORTIONS OF EASTERN  
RIVERSIDE COUNTY, INCLUDING JOSHUA TREE NATIONAL PARK.  
 
* TIMING...11 AM THURSDAY TO 1 AM PDT FRIDAY  
 
* WINDS...SUSTAINED WESTERLY WINDS 25 TO 35 MPH WITH GUSTS OF 40  
TO 50 MPH.  
 
* IMPACTS...DIFFICULT DRIVING CONDITIONS, ESPECIALLY FOR HIGH  
PROFILE VEHICLES. IN ADDITION, BRIEFLY LOWERED VISIBILITIES TO  
WELL UNDER A MILE AT TIMES IN BLOWING DUST OR BLOWING SAND. AFFECTED  
ROADWAYS INCLUDE, BUT ARE NOT LIMITED TO, INTERSTATE 10,  
INTERSTATE 8, AND CALIFORNIA STATE ROUTE 111.  
 
 
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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