700  
WWUS46 KPDT 310050  
WSWPDT  
 
URGENT - WINTER WEATHER MESSAGE  
NATIONAL WEATHER SERVICE PENDLETON OR  
550 PM PDT MON MAR 30 2020  
   
..MOUNTAIN SNOW TONIGHT AND TUESDAY
 
 
.SNOW LEVELS WILL LOWER OVERNIGHT FOLLOWING THE PASSAGE OF A COLD  
FRONT. A COOL MOIST WEST TO NORTHWEST UPSLOPE FLOW WILL ALLOW FOR  
SOME SIGNIFICANT SNOW ACCUMULATIONS THROUGH LATE TUESDAY.  
 
ORZ509-WAZ520-310900-  
/O.EXA.KPDT.WW.Y.0018.000000T0000Z-200401T0300Z/  
EAST SLOPES OF THE OREGON CASCADES-  
EAST SLOPES OF THE WASHINGTON CASCADES-  
INCLUDING THE CITIES OF LA PINE, SUNRIVER, CLE ELUM,  
AND CLIFFDELL  
550 PM PDT MON MAR 30 2020  
   
..WINTER WEATHER ADVISORY IN EFFECT UNTIL 8 PM PDT TUESDAY
 
 
* WHAT...SNOW. SNOW ACCUMULATIONS OF 4 TO 8 INCHES ABOVE 4000 FEET  
WITH HIGHER AMOUNTS TO NEAR 12 INCHES NEAR THE CASCADE CREST.  
 
* WHERE...IN WASHINGTON, EAST SLOPES OF THE WASHINGTON CASCADES. IN  
OREGON, EAST SLOPES OF THE OREGON CASCADES.  
 
* WHEN...UNTIL 8 PM PDT TUESDAY.  
 
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT, ESPECIALLY DURING THE  
OVERNIGHT AND EARLY MORNING HOURS AS SNOW PILES UP ON THE  
ROADWAYS, IMPACTING THE PASSES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
SLOW DOWN AND USE CAUTION WHILE TRAVELING.  
 
THE LATEST ROAD CONDITIONS FOR THE STATE YOU ARE CALLING FROM CAN  
BE OBTAINED BY CALLING 5 1 1.  
 

 
 

 
 
ORZ502-WAZ030-310900-  
/O.CON.KPDT.WW.Y.0018.000000T0000Z-200401T0300Z/  
NORTHERN BLUE MOUNTAINS OF OREGON-NORTHWEST BLUE MOUNTAINS-  
INCLUDING THE CITIES OF MEACHAM, TOLLGATE,  
AND SKI BLUEWOOD RESORT  
550 PM PDT MON MAR 30 2020  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT  
TUESDAY...  
 
* WHAT...SNOW. ADDITIONAL SNOW ACCUMULATIONS OF 4 TO 8 INCHES.  
 
* WHERE...IN WASHINGTON, NORTHWEST BLUE MOUNTAINS. IN OREGON,  
NORTHERN BLUE MOUNTAINS OF OREGON.  
 
* WHEN...UNTIL 8 PM PDT TUESDAY.  
 
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS. THE HAZARDOUS  
CONDITIONS WILL IMPACT MANY MOUNTAIN ROADWAYS, INCLUDING INTERSTATE  
84.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
SLOW DOWN AND USE CAUTION WHILE TRAVELING.  
 
THE LATEST ROAD CONDITIONS FOR THE STATE YOU ARE CALLING FROM CAN  
BE OBTAINED BY CALLING 5 1 1.  
 

 
 

 
 
ORZ503-310900-  
/O.CON.KPDT.WW.Y.0018.000000T0000Z-200401T0300Z/  
SOUTHERN BLUE MOUNTAINS OF OREGON-  
INCLUDING THE CITIES OF LONG CREEK, NORTH POWDER, AND UKIAH  
550 PM PDT MON MAR 30 2020  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT  
TUESDAY...  
 
* WHAT...SNOW. ADDITIONAL SNOW ACCUMULATIONS OF 4 TO 8 INCHES.  
 
* WHERE...SOUTHERN BLUE MOUNTAINS OF OREGON.  
 
* WHEN...UNTIL 8 PM PDT TUESDAY.  
 
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT. THE HAZARDOUS  
CONDITIONS WILL IMPACT MANY MOUNTAIN ROADWAYS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
SLOW DOWN AND USE CAUTION WHILE TRAVELING.  
 
THE LATEST ROAD CONDITIONS FOR THE STATE YOU ARE CALLING FROM CAN  
BE OBTAINED BY CALLING 5 1 1.  
 

 
 

 
 
ORZ506-310900-  
/O.CON.KPDT.WW.Y.0018.000000T0000Z-200401T0300Z/  
OCHOCO-JOHN DAY HIGHLANDS-  
INCLUDING THE CITIES OF BROTHERS, PAULINA, PRAIRIE CITY,  
AND SENECA  
550 PM PDT MON MAR 30 2020  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT  
TUESDAY...  
 
* WHAT...SNOW. ADDITIONAL SNOW ACCUMULATIONS OF 2 TO 5 INCHES.  
 
* WHERE...OCHOCO-JOHN DAY HIGHLANDS.  
 
* WHEN...UNTIL 8 PM PDT TUESDAY.  
 
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS AND HAZARDOUS TRAVEL.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
SLOW DOWN AND USE CAUTION WHILE TRAVELING.  
 
THE LATEST ROAD CONDITIONS FOR THE STATE YOU ARE CALLING FROM CAN  
BE OBTAINED BY CALLING 5 1 1.  
 

 
 

 
 
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