689  
WWUS46 KSTO 160801  
WSWSTO  
 
URGENT - WINTER WEATHER MESSAGE  
NATIONAL WEATHER SERVICE SACRAMENTO CA  
101 AM PDT SUN MAR 16 2025  
 
CAZ013-014-170015-  
/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  
101 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...TRAVEL COULD BE VERY DIFFICULT. 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.  
 
 
 
 
 
CAZ068-170015-  
/O.CON.KSTO.WS.W.0008.250316T1800Z-250318T0600Z/  
WESTERN PLUMAS COUNTY/LASSEN PARK-  
INCLUDING THE CITIES OF CHESTER AND QUINCY  
101 AM PDT SUN MAR 16 2025  
 
...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO  
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...FROM 11 AM THIS MORNING 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 SNOWFALL EXPECTED SUNDAY NIGHT WITH  
SNOWFALL RATES UP TO 2 TO 3 INCHES PER HOUR AT TIMES.  
 
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.  
 
 
 
 
 
CAZ069-170015-  
/O.CON.KSTO.WS.W.0008.250317T0000Z-250318T0600Z/  
WEST SLOPE NORTHERN SIERRA NEVADA-  
INCLUDING THE CITIES OF BLUE CANYON  
101 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.  
 
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/  
 
EK  
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