651  
WWUS45 KBOI 222114  
WSWBOI  
 
URGENT - WINTER WEATHER MESSAGE  
NATIONAL WEATHER SERVICE BOISE ID  
214 PM MST FRI FEB 22 2019  
 
...A PACIFIC STORM WILL BRING HEAVY SNOW THIS WEEKEND INTO NEXT  
WEEK...  
 
.A STORM SYSTEM WILL MOVE INTO THE PACIFIC NORTHWEST LATE THIS  
WEEKEND, BECOMING ANCHORED OVER THE REGION INTO EARLY NEXT WEEK.  
THIS WILL BRING A PROLONGED PERIOD OF MODERATE TO HEAVY SNOWFALL  
TO THE CENTRAL IDAHO MOUNTAINS. STARTING SUNDAY, GUSTY WINDS WILL  
ACCOMPANY THE SNOWFALL RESULTING IN BLOWING AND DRIFTING SNOW.  
LIGHT SNOW ACCUMULATIONS ARE POSSIBLE IN THE SNAKE PLAIN SATURDAY  
MORNING AND AGAIN SUNDAY MORNING, WITH A CHANGEOVER TO RAIN BY  
SUNDAY AFTERNOON. SHELTERED LOW-ELEVATION VALLEYS IN BAKER COUNTY  
AND THE WEISER RIVER BASIN COULD HOLD ONTO SNOW INTO MONDAY.  
 
IDZ029-222215-  
/O.CAN.KBOI.WS.A.0003.190223T0600Z-190227T0000Z/  
OWYHEE MOUNTAINS-  
214 PM MST FRI FEB 22 2019  
   
..WINTER STORM WATCH IS CANCELLED
 
 
ONLY LIGHT SNOW ACCUMULATION IS EXPECTED FOR SITES BELOW 5000  
FEET.  
 

 
 
IDZ011-013-028-231300-  
/O.UPG.KBOI.WS.A.0003.190223T0600Z-190227T0000Z/  
/O.NEW.KBOI.WS.W.0004.190223T1200Z-190227T0000Z/  
WEST CENTRAL MOUNTAINS-BOISE MOUNTAINS-CAMAS PRAIRIE-  
214 PM MST FRI FEB 22 2019  
 
...WINTER STORM WARNING IN EFFECT FROM 5 AM SATURDAY TO 5 PM MST  
TUESDAY...  
 
* WHAT...HEAVY SNOW EXPECTED. TRAVEL WILL BE VERY DIFFICULT TO  
IMPOSSIBLE AT TIMES. TOTAL SNOW ACCUMULATIONS OF 1 TO 2 FEET  
WITH LOCALIZED AMOUNTS UP TO 3 FEET IN THE MOUNTAINS. GUSTY  
WINDS WILL DEVELOP SUNDAY AFTERNOON AND CONTINUE THROUGH  
TUESDAY, WHICH COULD RESULT IN BLOWING AND DRIFTING SNOW.  
 
* WHERE...WEST CENTRAL MOUNTAINS, BOISE MOUNTAINS AND CAMAS  
PRAIRIE ZONES.  
 
* WHEN...FROM 5 AM SATURDAY TO 5 PM MST TUESDAY.  
 
* ADDITIONAL DETAILS...BE PREPARED FOR SIGNIFICANT REDUCTIONS IN  
VISIBILITY AT TIMES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A WINTER STORM WARNING FOR SNOW MEANS SEVERE WINTER WEATHER  
CONDITIONS ARE EXPECTED. IF YOU MUST TRAVEL, KEEP AN EXTRA  
FLASHLIGHT, FOOD AND WATER IN YOUR VEHICLE IN CASE OF AN  
EMERGENCY. THE LATEST ROAD CONDITIONS CAN BE OBTAINED BY CALLING  
5 1 1.  
 

 
 
IDZ033-ORZ062-231300-  
/O.UPG.KBOI.WS.A.0003.190223T0600Z-190227T0000Z/  
/O.NEW.KBOI.WW.Y.0014.190223T1200Z-190226T0000Z/  
UPPER WEISER RIVER-BAKER COUNTY-  
214 PM MST FRI FEB 22 2019 /114 PM PST FRI FEB 22 2019/  
 
...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM MST /4 AM PST/  
SATURDAY TO 5 PM MST /4 PM PST/ MONDAY...  
 
* WHAT...SNOW EXPECTED. PLAN ON DIFFICULT TRAVEL CONDITIONS. TOTAL  
SNOW ACCUMULATIONS OF 2 TO 5 INCHES IN LOWER VALLEYS TO INCLUDE  
BAKER CITY AND CAMBRIDGE, WITH 6 TO 12 INCHES IN HIGHER  
ELEVATION VALLEYS AND MOUNTAIN SITES TO INCLUDE SUMPTER AND  
COUNCIL.  
 
* WHERE...IN OREGON, BAKER COUNTY ZONE. IN IDAHO, UPPER WEISER  
RIVER ZONE.  
 
* WHEN...FROM 5 AM MST /4 AM PST/ SATURDAY TO 5 PM MST /4 PM  
PST/ MONDAY.  
 
* ADDITIONAL DETAILS...BE PREPARED FOR REDUCED VISIBILITIES AT  
TIMES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A WINTER WEATHER ADVISORY FOR SNOW MEANS PERIODS OF SNOW WILL  
CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED  
ROADS AND LIMITED VISIBILITIES, AND USE CAUTION WHILE DRIVING.  
THE LATEST ROAD CONDITIONS CAN BE OBTAINED BY CALLING 5 1 1.  
 

 
 
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