946  
WWUS76 KSGX 202041  
NPWSGX  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE SAN DIEGO CA  
141 PM PDT WED SEP 20 2017  
 
...INCREASING WEST TO SOUTHWEST WINDS ACROSS THE MOUNTAINS AND  
DESERTS THURSDAY INTO THURSDAY NIGHT...  
 
.A DEEPENING TROUGH WILL BRING INCREASING WEST-SOUTHWEST WINDS TO  
THE MOUNTAIN PEAKS TO THE DESERT FLOOR THURSDAY INTO THURSDAY  
NIGHT.  
 
CAZ055-056-058-060>062-065-211300-  
/O.NEW.KSGX.WI.Y.0028.170921T1800Z-170922T0800Z/  
SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-  
SAN DIEGO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-  
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-  
SAN GORGONIO PASS NEAR BANNING-  
INCLUDING THE CITIES OF BIG BEAR CITY, JULIAN, VICTORVILLE,  
HESPERIA, APPLE VALLEY, INDIO, LA QUINTA, COACHELLA,  
BORREGO SPRINGS, AND DESERT HOT SPRINGS  
141 PM PDT WED SEP 20 2017  
 
...WIND ADVISORY IN EFFECT FROM 11 AM THURSDAY TO 1 AM PDT  
FRIDAY...  
 
THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WIND  
ADVISORY...WHICH IS IN EFFECT FROM 11 AM THURSDAY TO 1 AM PDT  
FRIDAY.  
 
* WINDS...WEST TO SOUTHWEST 20 TO 30 MPH WITH GUSTS OF 40 TO 50  
MPH.  
 
* TIMING...THURSDAY AFTERNOON INTO THURSDAY NIGHT.  
 
* LOCATION...MOUNTAIN TOPS TO THE DESERT FLOOR. WINDIEST ALONG THE  
DESERT MOUNTAIN SLOPES AND THROUGH PASSES.  
 
* VISIBILITY...PATCHY BLOWING DUST COULD LEAD TO VISIBILITY  
RESTRICTIONS TO BRIEFLY A HALF MILE OR LESS ACROSS PORTIONS OF  
THE DESERTS.  
 
* IMPACTS...DIFFICULT TRAVEL FOR HIGH PROFILE VEHICHLES AND  
POTENTIAL FOR SUDDEN REDUCTIONS IN VISIBILITY.  
 
* OUTLOOK...WINDS WILL GRADUALLY DIMINISH EARLY FRIDAY MORNING.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
STRONG WINDS CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH  
PROFILE VEHICLES. BLOWING DUST IN THE DESERTS CAN LEAD TO  
RESTRICTIONS IN VISIBILITY. DRIVE WITH EXTRA CAUTION.  
 

 
 

 
GREGORIA  
 
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