615  
WWUS46 KEKA 201345  
WSWEKA  
 
URGENT - WINTER WEATHER MESSAGE  
NATIONAL WEATHER SERVICE EUREKA CA  
545 AM PST WED NOV 20 2024  
 
CAZ108-201600-  
/O.EXT.KEKA.WS.W.0010.000000T0000Z-241120T1600Z/  
SOUTHERN TRINITY-  
545 AM PST WED NOV 20 2024  
   
..WINTER STORM WARNING NOW IN EFFECT UNTIL 8 AM PST THIS MORNING
 
 
* WHAT...HEAVY SNOW EXPECTED. AN ADDITIONAL 2 TO 4 INCHES POSSIBLE.  
 
* WHERE...SOUTHERN TRINITY.  
 
* WHEN...UNTIL 8 AM PST THIS MORNING.  
 
* IMPACTS...ROADS, AND ESPECIALLY BRIDGES AND OVERPASSES, WILL  
LIKELY BECOME SLICK AND HAZARDOUS.  
 
* ADDITIONAL DETAILS...THIS INCLUDES HIGHWAY 36 AT SOUTH FORK  
MOUNTAIN AND ADDITIONAL LOCATIONS ABOVE 3000 FEET EAST OF SOUTH  
FORK MOUNTAIN.  
 
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.  
 

 
 

 
 
CAZ107-202145-  
/O.CON.KEKA.WS.W.0010.000000T0000Z-241121T0600Z/  
NORTHERN TRINITY-  
INCLUDING TRINITY CENTER, HWY 299-OREGON MOUNTAIN, HWY 3-SCOTT  
MOUNTAIN, HWY 299-BUCKHORN SUMMIT, AND WEAVERVILLE  
545 AM PST WED NOV 20 2024  
 
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS  
EVENING ELEVATIONS ABOVE 2,000 FEET...  
 
* WHAT...HEAVY SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 5 AND  
10 INCHES POSSIBLE ABOVE 2,000 FEET EARLY THIS MORNING, 1 TO 3  
FEET POSSIBLE ABOVE 3,000 FEET. LOWEST SNOW LEVELS EXPECTED DURING  
WEDNESDAY MORNING, THEN SNOW LEVELS EXPECTED TO SLOWLY RISE  
THROUGH THE DAY TODAY.  
 
* WHERE...NORTHEASTERN TRINITY.  
 
* WHEN...UNTIL 10 PM PST THIS EVENING.  
 
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT TO IMPOSSIBLE. TIRE  
CHAINS MAY BE NECESSARY IF TRAVELLING THROUGH MOUNTAIN PASSES.  
 
* ADDITIONAL DETAILS...THIS INCLUDES HIGHWAY 299 AT OREGON MOUNTAIN  
AND BUCKHORN SUMMIT AS WELL AS HIGHWAY 3 IN MULTIPLE AREAS NORTH  
OF WEAVERVILLE.  
 
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.  
 
PERSONS SHOULD DELAY ALL TRAVEL IF POSSIBLE. IF TRAVEL IS ABSOLUTELY  
NECESSARY, DRIVE WITH EXTREME CAUTION AND BE PREPARED FOR SUDDEN  
CHANGES IN VISIBILITY. LEAVE PLENTY OF ROOM BETWEEN YOU AND THE  
MOTORIST AHEAD OF YOU, AND ALLOW EXTRA TIME TO REACH YOUR  
DESTINATION. AVOID SUDDEN BRAKING OR ACCELERATION, AND BE ESPECIALLY  
CAUTIOUS ON HILLS OR WHEN MAKING TURNS. MAKE SURE YOUR CAR IS  
WINTERIZED AND IN GOOD WORKING ORDER.  
 

 
 

 
 
FOR HAZARD AREAS SEE HTTPS://WWW.WRH.NOAA.GOV/MAP/?WFO=EKA  
 
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