643  
WWUS46 KSTO 161848  
WSWSTO  
 
URGENT - WINTER WEATHER MESSAGE  
NATIONAL WEATHER SERVICE SACRAMENTO CA  
1148 AM PDT SUN MAR 16 2025  
 
CAZ013-014-170600-  
/O.CON.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  
1148 AM PDT SUN MAR 16 2025  
 
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THIS  
EVENING ABOVE 4000 FEET...  
 
* WHAT...HEAVY SNOW EXPECTED ABOVE 4000 FEET. TOTAL SNOW  
ACCUMULATIONS 6 TO 12 INCHES AND UP TO 2 FEET OVER PEAKS. WINDS  
GUSTING AS HIGH AS 60 MPH.  
 
* WHERE...BURNEY BASIN / EASTERN SHASTA COUNTY AND SHASTA LAKE AREA  
/ NORTHERN SHASTA COUNTY COUNTIES.  
 
* WHEN...UNTIL 11 PM PDT THIS EVENING.  
 
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS. STRONG WINDS COULD  
CAUSE TREE DAMAGE.  
 
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.  
 

 
 

 
 
CAZ068-171400-  
/O.CON.KSTO.WS.W.0008.000000T0000Z-250318T0600Z/  
WESTERN PLUMAS COUNTY/LASSEN PARK-  
INCLUDING THE CITIES OF CHESTER AND QUINCY  
1148 AM 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 TO IMPOSSIBLE. THE  
HAZARDOUS CONDITIONS COULD IMPACT THE MONDAY MORNING AND EVENING  
COMMUTES. VERY STRONG WINDS COULD CAUSE EXTENSIVE TREE DAMAGE.  
 
* ADDITIONAL DETAILS...HEAVIEST SNOWFALL EXPECTED SUNDAY NIGHT 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.  
 

 
 

 
 
CAZ069-171400-  
/O.CON.KSTO.WS.W.0008.250317T0000Z-250318T0600Z/  
WEST SLOPE NORTHERN SIERRA NEVADA-  
INCLUDING THE CITIES OF BLUE CANYON  
1148 AM PDT SUN MAR 16 2025  
 
...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON  
TO 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...FROM 5 PM THIS AFTERNOON TO 11 PM PDT MONDAY.  
 
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT TO IMPOSSIBLE. THE  
HAZARDOUS CONDITIONS COULD IMPACT THE MONDAY MORNING AND EVENING  
COMMUTES. VERY STRONG WINDS COULD CAUSE EXTENSIVE TREE DAMAGE.  
 
* 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/  
 
WOOD  
 
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