904  
WWUS76 KPDT 210741  
NPWPDT  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE PENDLETON OR  
1141 PM PST FRI DEC 20 2024  
 
ORZ507-WAZ029-211800-  
/O.NEW.KPDT.FG.Y.0023.241221T0741Z-241221T1800Z/  
FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON-FOOTHILLS OF  
THE BLUE MOUNTAINS OF WASHINGTON-  
INCLUDING THE CITIES OF WALLA WALLA, PENDLETON, PILOT ROCK,  
DAYTON, WAITSBURG, AND ATHENA  
1141 PM PST FRI DEC 20 2024  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM PST SATURDAY
 
 
* WHAT...VISIBILITY ONE QUARTER MILE OR LESS IN DENSE FOG.  
 
* WHERE...IN OREGON, FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF  
OREGON. IN WASHINGTON, FOOTHILLS OF THE BLUE MOUNTAINS OF  
WASHINGTON.  
 
* WHEN...UNTIL 10 AM PST SATURDAY.  
 
* IMPACTS...LOW VISIBILITY COULD MAKE DRIVING CONDITIONS HAZARDOUS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
IF DRIVING, SLOW DOWN, USE YOUR HEADLIGHTS, AND LEAVE PLENTY OF  
DISTANCE AHEAD OF YOU.  
 

 
 

 
 
ORZ049-211800-  
/O.CON.KPDT.WI.Y.0047.241221T0800Z-241221T2300Z/  
GRANDE RONDE VALLEY-  
INCLUDING THE CITIES OF ELGIN, UNION, LA GRANDE, AND COVE  
1141 PM PST FRI DEC 20 2024  
   
..WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST SATURDAY
 
 
* WHAT...SOUTH WINDS 20 TO 30 MPH WITH GUSTS UP TO 45 MPH EXPECTED.  
 
* WHERE...GRANDE RONDE VALLEY.  
 
* WHEN...UNTIL 3 PM PST SATURDAY.  
 
* IMPACTS...GUSTY WINDS WILL BLOW AROUND UNSECURED OBJECTS. TREE  
LIMBS COULD BE BLOWN DOWN AND A FEW POWER OUTAGES MAY RESULT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT, ESPECIALLY FOR HIGH  
PROFILE VEHICLES. USE EXTRA CAUTION.  
 
SECURE OUTDOOR OBJECTS.  
 

 
 

 
 
MC  
 
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