566  
WWUS46 KSTO 210520  
WSWSTO  
 
URGENT - WINTER WEATHER MESSAGE  
NATIONAL WEATHER SERVICE SACRAMENTO CA  
920 PM PST WED NOV 20 2024  
 
CAZ013-063-210630-  
/O.CAN.KSTO.WS.W.0017.000000T0000Z-241121T0600Z/  
SHASTA LAKE AREA / NORTHERN SHASTA COUNTY-MOUNTAINS SOUTHWESTERN  
SHASTA COUNTY TO WESTERN COLUSA COUNTY-  
INCLUDING THE CITIES OF SHASTA DAM AND ALDER SPRINGS  
920 PM PST WED NOV 20 2024  
   
..WINTER STORM WARNING IS CANCELLED
 
 
HEAVY SNOW IS NO LONGER EXPECTED AS SNOW LEVELS CONTINUE TO RISE.  
 

 
 
CAZ014-068-069-211200-  
/O.EXT.KSTO.WS.W.0017.000000T0000Z-241121T1200Z/  
BURNEY BASIN / EASTERN SHASTA COUNTY-WESTERN PLUMAS COUNTY/LASSEN  
PARK-WEST SLOPE NORTHERN SIERRA NEVADA-  
INCLUDING THE CITIES OF QUINCY, BLUE CANYON, CHESTER, AND BURNEY  
920 PM PST WED NOV 20 2024  
   
..WINTER STORM WARNING NOW IN EFFECT UNTIL 4 AM PST THURSDAY
 
 
* WHAT...HEAVY WET SNOW. ADDITIONAL SNOW ACCUMULATIONS 2 TO 5  
INCHES. WINDS GUSTING AS HIGH AS 45 MPH.  
 
* WHERE...BURNEY BASIN / EASTERN SHASTA COUNTY, WEST SLOPE NORTHERN  
SIERRA NEVADA, AND WESTERN PLUMAS COUNTY/LASSEN PARK COUNTIES.  
 
* WHEN...UNTIL 4 AM PST THURSDAY.  
 
* IMPACTS...SLICK TRAVEL CONDITIONS EXPECTED, WITH SNOW COVERED  
ROADS AND CHAIN CONTROLS LIKELY. GUSTY WINDS COULD BRING DOWN TREE  
BRANCHES.  
 
* ADDITIONAL DETAILS...SNOW LEVELS 5000 TO 6500 FEET.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
CHECK THE LATEST ROAD CONDITIONS FROM CALTRANS ONLINE AT  
QUICKMAP.DOT.CA.GOV OR DIAL 5 1 1.  
 

 
 

 
 
FOR MORE INFORMATION, VISIT US AT WWW.WEATHER.GOV/STO/  
 
IDS  
 
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