000  
WWUS45 KBOI 241112  
WSWBOI  
 
URGENT - WINTER WEATHER MESSAGE  
NATIONAL WEATHER SERVICE BOISE ID  
412 AM MST SAT FEB 24 2018  
 
IDZ029-242130-  
/O.CON.KBOI.WS.W.0002.180224T1200Z-180225T0000Z/  
OWYHEE MOUNTAINS-  
412 AM MST SAT FEB 24 2018  
 
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS  
AFTERNOON...  
 
* WHAT...HEAVY SNOW AND BLOWING SNOW EXPECTED. PLAN ON DIFFICULT  
TRAVEL CONDITIONS. TOTAL SNOW ACCUMULATIONS OF 3 TO 5 INCHES,  
WITH 5 TO 10 INCHES ABOVE 6000 FEET, ARE EXPECTED.  
 
* WHERE...OWYHEE MOUNTAINS.  
 
* WHEN...UNTIL 5 PM MST THIS AFTERNOON.  
 
* ADDITIONAL DETAILS...WINDS GUSTING AS HIGH AS 40 MPH WILL  
CAUSE AREAS OF BLOWING AND DRIFTING SNOW.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A WINTER STORM WARNING FOR SNOW AND BLOWING 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.  
 

 
 
IDZ011-012-014-033-ORZ061>063-242100-  
/O.CON.KBOI.WW.Y.0008.180224T1200Z-180224T2100Z/  
WEST CENTRAL MOUNTAINS-LOWER TREASURE VALLEY ID-  
UPPER TREASURE VALLEY-UPPER WEISER RIVER-HARNEY COUNTY-  
BAKER COUNTY-MALHEUR COUNTY-  
412 AM MST SAT FEB 24 2018 /312 AM PST SAT FEB 24 2018/  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 2 PM MST /1 PM  
PST/ THIS AFTERNOON...  
 
* WHAT...SNOW AND BLOWING SNOW EXPECTED. PLAN ON SLIPPERY ROAD  
CONDITIONS AND AREAS OF POOR VISIBILITY. TOTAL SNOW  
ACCUMULATIONS OF 3 TO 6 INCHES IN THE WEST CENTRAL MOUNTAINS  
BELOW 6000 FEET, WITH 6 TO 12 INCHES ABOVE 6000 FEET; 2 TO 4  
INCHES IN THE UPPER WEISER RIVER BASIN; 1 TO 3 INCHES IN  
HARNEY COUNTY, WITH 6 TO 10 INCHES ON STEENS MOUNTAIN; 1 TO 3  
INCHES IN THE BAKER COUNTY VALLEYS, WITH 5 TO 10 INCHES IN THE  
MOUNTAINS; 1 TO 3 INCHES IN THE LOWER TREASURE VALLEY; 1 TO 3  
INCHES IN THE SOUTHERN PORTION OF THE UPPER TREASURE VALLEY  
(SOUTH OF I-84), WITH 2 TO 5 INCHES ALONG AND NORTH OF I-84 IN  
THE UPPER TREASURE VALLEY.  
 
* WHERE...PORTIONS OF NORTHEAST AND SOUTHEAST OREGON AND  
SOUTHWEST AND WEST CENTRAL IDAHO.  
 
* WHEN...UNTIL 2 PM MST /1 PM PST/ THIS AFTERNOON.  
 
* ADDITIONAL DETAILS...WINDS GUSTING 20 TO 40 MPH WILL CAUSE  
AREAS OF BLOWING AND DRIFTING SNOW, MAINLY IN HIGHER TERRAIN  
AND ON SOUTH AND WEST-FACING SLOPES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS PERIODS  
OF SNOW AND BLOWING 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.  
 

 
 
IDZ013-015-242130-  
/O.CON.KBOI.WW.Y.0008.180224T1200Z-180225T0300Z/  
BOISE MOUNTAINS-SOUTHWEST HIGHLANDS-  
412 AM MST SAT FEB 24 2018  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST THIS  
EVENING...  
 
* WHAT...SNOW AND BLOWING SNOW EXPECTED. PLAN ON SLIPPERY ROAD  
CONDITIONS AND AREAS OF POOR VISIBILITY. TOTAL SNOW  
ACCUMULATIONS OF 3 TO 6 INCHES IN THE BOISE MOUNTAINS BELOW  
6000 FEET, WITH 6 TO 12 INCHES ABOVE 6000 FEET; 2 TO 4 INCHES,  
WITH LOCAL AMOUNTS UP TO 7 INCHES ABOVE 5500 FEET IN THE  
SOUTHWEST HIGHLANDS OF IDAHO.  
 
* WHERE...BOISE MOUNTAINS AND SOUTHWEST HIGHLANDS ZONES.  
 
* WHEN...UNTIL 8 PM MST THIS EVENING.  
 
* ADDITIONAL DETAILS...WINDS GUSTING AS HIGH AS 40 MPH WILL  
CAUSE AREAS OF BLOWING AND DRIFTING SNOW, PARTICULARLY ON  
SOUTH AND WEST-FACING SLOPES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS PERIODS  
OF SNOW AND BLOWING 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.  
 

 
 
IDZ016-030-242130-  
/O.CON.KBOI.WW.Y.0008.180224T2100Z-180225T0300Z/  
WESTERN MAGIC VALLEY-SOUTHERN TWIN FALLS COUNTY-  
412 AM MST SAT FEB 24 2018  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 PM THIS  
AFTERNOON TO 8 PM MST THIS EVENING...  
 
* WHAT...SNOW AND BLOWING SNOW EXPECTED. PLAN ON SLIPPERY ROAD  
CONDITIONS AND AREAS OF POOR VISIBILITY. TOTAL SNOW  
ACCUMULATIONS OF 1 TO 3 INCHES, EXCEPT 2 TO 5 INCHES OVER THE  
MOUNTAINS, ARE EXPECTED.  
 
* WHERE...WESTERN MAGIC VALLEY AND SOUTHERN TWIN FALLS COUNTY  
ZONES.  
 
* WHEN...FROM 2 PM THIS AFTERNOON TO 8 PM MST THIS EVENING.  
 
* ADDITIONAL DETAILS...WINDS GUSTING AS HIGH AS 35 MPH WILL  
CAUSE AREAS OF BLOWING AND DRIFTING SNOW.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS PERIODS  
OF SNOW AND BLOWING 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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