901  
WWUS46 KSTO 170553  
WSWSTO  
 
URGENT - WINTER WEATHER MESSAGE  
NATIONAL WEATHER SERVICE SACRAMENTO CA  
1053 PM PDT SUN MAR 16 2025  
 
CAZ013-014-170700-  
/O.EXP.KSTO.WS.W.0008.000000T0000Z-250317T0600Z/  
SHASTA LAKE AREA / NORTHERN SHASTA COUNTY-BURNEY BASIN / EASTERN  
SHASTA COUNTY-  
INCLUDING THE CITIES OF SHASTA DAM AND BURNEY  
1053 PM PDT SUN MAR 16 2025  
   
..WINTER STORM WARNING WILL EXPIRE AT 11 PM PDT THIS EVENING  
 
THE HEAVIER SNOW AMOUNTS HAVE TAPERED OFF AND THE MAIN THREAT HAS  
ENDED FOR THE MOUNTAINS OF SHASTA COUNTY. LIGHTER SNOW SHOWERS WILL  
CONTINUE ABOVE 3000-3500 FT THROUGH MONDAY AFTERNOON WITH MINIMAL  
IMPACTS EXPECTED. CONTINUE TO CHECK THE FORECAST AND ROAD CONDITIONS  
BEFORE TRAVELING.  
 
 
 
CAZ068-180015-  
/O.CON.KSTO.WS.W.0008.000000T0000Z-250318T0600Z/  
WESTERN PLUMAS COUNTY/LASSEN PARK-  
INCLUDING THE CITIES OF CHESTER AND QUINCY  
1053 PM PDT SUN MAR 16 2025  
 
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM PDT MONDAY  
ABOVE 4500 FEET...  
 
* WHAT...HEAVY SNOW EXPECTED ABOVE 4500 FEET. TOTAL SNOW  
ACCUMULATIONS BETWEEN 1 AND 3 FEET ABOVE 5000 FEET, UP TO 4 FEET  
OVER PEAKS. UP TO 5 TO 10 INCHES BETWEEN 4500-5000 FEET. WINDS  
GUSTING AS HIGH AS 75 MPH.  
 
* WHERE...WESTERN PLUMAS COUNTY/LASSEN PARK COUNTY.  
 
* WHEN...UNTIL 11 PM PDT MONDAY.  
 
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT. THE HAZARDOUS CONDITIONS  
COULD IMPACT THE MONDAY MORNING AND EVENING COMMUTES. GUSTY WINDS  
COULD BRING DOWN TREE BRANCHES.  
 
* ADDITIONAL DETAILS...HEAVIEST SNOWFALL EXPECTED TONIGHT WITH  
SNOWFALL RATES UP TO 2 TO 3 INCHES PER HOUR AT TIMES. SNOW LEVELS  
FALL TO AROUND 3500 FEET LATE MONDAY NIGHT, LIGHT ACCUMULATIONS OF  
1-3 INCHES POSSIBLE.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
CHECK THE LATEST ROAD CONDITIONS FROM CALTRANS ONLINE AT  
QUICKMAP.DOT.CA.GOV OR DIAL 5 1 1.  
 
PERSONS SHOULD DELAY TRAVEL IF POSSIBLE. IF TRAVEL IS ABSOLUTELY  
NECESSARY, DRIVE WITH EXTREME CAUTION AND BE PREPARED FOR SUDDEN  
CHANGES IN VISIBILITY. CONSIDER TAKING A WINTER STORM KIT ALONG WITH  
YOU AND ANYTHING ELSE THAT WOULD HELP YOU SURVIVE IN CASE YOU BECOME  
STRANDED.  
 
 
 
 
 
CAZ069-180015-  
/O.CON.KSTO.WS.W.0008.000000T0000Z-250318T0600Z/  
WEST SLOPE NORTHERN SIERRA NEVADA-  
INCLUDING THE CITIES OF BLUE CANYON  
1053 PM PDT SUN MAR 16 2025  
 
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM PDT MONDAY  
ABOVE 4500 FEET...  
 
* WHAT...HEAVY SNOW EXPECTED ABOVE 4500 FEET. TOTAL SNOW  
ACCUMULATIONS BETWEEN 1 AND 2 FEET, UP TO 3 FEET OVER PEAKS. UP TO  
6 TO 12 INCHES BETWEEN 4500-5000 FEET. WINDS GUSTING AS HIGH AS 70  
MPH.  
 
* WHERE...WEST SLOPE NORTHERN SIERRA NEVADA COUNTY.  
 
* WHEN...UNTIL 11 PM PDT MONDAY.  
 
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT TO IMPOSSIBLE. THE  
HAZARDOUS CONDITIONS COULD IMPACT THE MONDAY MORNING AND EVENING  
COMMUTES. GUSTY WINDS COULD BRING DOWN TREE BRANCHES.  
 
* ADDITIONAL DETAILS...HEAVIEST SNOW EARLY MONDAY MORNING WITH  
SNOWFALL RATES UP TO 2 TO 3 INCHES PER HOUR AT TIMES. SNOW LEVELS  
FALL TO AROUND 3500 FEET LATE MONDAY NIGHT, LIGHT ACCUMULATIONS OF  
1-3 INCHES POSSIBLE.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
CHECK THE LATEST ROAD CONDITIONS FROM CALTRANS ONLINE AT  
QUICKMAP.DOT.CA.GOV OR DIAL 5 1 1.  
 
PERSONS SHOULD DELAY TRAVEL IF POSSIBLE. IF TRAVEL IS ABSOLUTELY  
NECESSARY, DRIVE WITH EXTREME CAUTION AND BE PREPARED FOR SUDDEN  
CHANGES IN VISIBILITY. CONSIDER TAKING A WINTER STORM KIT ALONG WITH  
YOU AND ANYTHING ELSE THAT WOULD HELP YOU SURVIVE IN CASE YOU BECOME  
STRANDED.  
 
 
 
 
 
FOR MORE INFORMATION, VISIT US AT WWW.WEATHER.GOV/STO/  
 
KH  
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