317  
WWUS45 KREV 122151  
WSWREV  
 
URGENT - WINTER WEATHER MESSAGE  
NATIONAL WEATHER SERVICE RENO NV  
251 PM PDT WED MAR 12 2025  
 
CAZ071-140000-  
/O.CON.KREV.WS.W.0005.000000T0000Z-250314T0600Z/  
LASSEN-EASTERN PLUMAS-EASTERN SIERRA COUNTIES-  
INCLUDING THE CITIES OF LOYALTON, SUSANVILLE, SIERRAVILLE,  
PORTOLA, AND WESTWOOD  
251 PM PDT WED MAR 12 2025  
   
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THURSDAY
 
 
* WHAT...HEAVY SNOW. FOR AREAS ALONG THE SIERRA CREST: SNOW  
ACCUMULATIONS UP TO 1 TO 3 FEET. BELOW 6000 FEET: SNOW  
ACCUMULATIONS UP TO 8 INCHES. RIDGE WINDS GUSTING AS HIGH AS 70  
MPH.  
 
* WHERE...LASSEN-EASTERN PLUMAS-EASTERN SIERRA COUNTIES.  
 
* WHEN...UNTIL 11 PM PDT THURSDAY.  
 
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT TO IMPOSSIBLE. THE  
HAZARDOUS CONDITIONS COULD IMPACT THE WEDNESDAY AND THURSDAY AM  
AND PM COMMUTES. STRONG WINDS COULD CAUSE DAMAGE TO TREES AND  
POWER LINES AS WELL AS BLOWING SNOW THAT COULD CAUSE NEAR WHITEOUT  
CONDITIONS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
IF YOU MUST TRAVEL, KEEP AN EXTRA FLASHLIGHT, FOOD, AND WATER IN  
YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS FOR  
THE STATE YOU ARE CALLING FROM CAN BE OBTAINED BY CALLING 5 1 1.  
 

 
 

 
 
CAZ072-NVZ002-140000-  
/O.CON.KREV.WS.W.0005.000000T0000Z-250314T0600Z/  
GREATER LAKE TAHOE AREA-  
INCLUDING THE CITIES OF MARKLEEVILLE, GLENBROOK, TRUCKEE, INCLINE  
VILLAGE, STATELINE, TAHOE CITY, AND SOUTH LAKE TAHOE  
251 PM PDT WED MAR 12 2025  
   
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THURSDAY
 
 
* WHAT...HEAVY SNOW. FOR AREAS ALONG THE SIERRA CREST: SNOW  
ACCUMULATIONS UP TO 2 TO 3 FEET WITH LOCALLY UP TO 4 FEET POSSIBLE  
AT THE HIGHEST PEAKS. FOR THE SIERRA COMMUNITIES: SNOW  
ACCUMULATIONS UP TO 10 TO 18 INCHES. RIDGE WINDS GUSTING AS HIGH  
AS 100 MPH. FOR LAKE TAHOE: SOUTH-SOUTHWEST WINDS 20 TO 25 MPH  
GUSTING UP TO 45 MPH WITH WAVES UP TO 2 TO 4 FEET.  
 
* WHERE...GREATER LAKE TAHOE AREA.  
 
* WHEN...UNTIL 11 PM PDT THURSDAY.  
 
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT TO IMPOSSIBLE. THE  
HAZARDOUS CONDITIONS COULD IMPACT THE WEDNESDAY AND THURSDAY AM  
AND PM COMMUTES. STRONG WINDS COULD CAUSE DAMAGE TO TREES AND  
POWER LINES AS WELL AS BLOWING SNOW THAT COULD CAUSE NEAR WHITEOUT  
CONDITIONS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
IF YOU MUST TRAVEL, KEEP AN EXTRA FLASHLIGHT, FOOD, AND WATER IN  
YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS FOR  
THE STATE YOU ARE CALLING FROM CAN BE OBTAINED BY CALLING 5 1 1.  
 

 
 

 
 
CAZ073-140000-  
/O.CON.KREV.WS.W.0005.000000T0000Z-250314T0600Z/  
MONO COUNTY-  
INCLUDING THE CITIES OF BRIDGEPORT, LEE VINING, COLEVILLE, AND  
MAMMOTH LAKES  
251 PM PDT WED MAR 12 2025  
   
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THURSDAY
 
 
* WHAT...HEAVY SNOW. FOR AREAS ALONG THE SIERRA CREST: SNOW  
ACCUMULATIONS UP TO 1 TO 3 FEET WITH LOCALLY UP TO 4 FEET POSSIBLE  
AT THE HIGHEST PEAKS. FOR AREAS ALONG U.S. 395: SNOW ACCUMULATIONS  
UP TO 6 TO 12 INCHES. RIDGE WINDS GUSTING AS HIGH AS 80 MPH.  
 
* WHERE...MONO COUNTY.  
 
* WHEN...UNTIL 11 PM PDT THURSDAY.  
 
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT TO IMPOSSIBLE. THE  
HAZARDOUS CONDITIONS COULD IMPACT THE WEDNESDAY EVENING AND  
THURSDAY MORNING COMMUTES. STRONG WINDS COULD CAUSE DAMAGE TO  
TREES AND POWER LINES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
IF YOU MUST TRAVEL, KEEP AN EXTRA FLASHLIGHT, FOOD, AND WATER IN  
YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS FOR  
THE STATE YOU ARE CALLING FROM CAN BE OBTAINED BY CALLING 5 1 1.  
 

 
 

 
 
JC  
 
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