866  
WWUS46 KEKA 311947  
WSWEKA  
 
URGENT - WINTER WEATHER MESSAGE  
NATIONAL WEATHER SERVICE EUREKA CA  
1247 PM PDT MON MAR 31 2025  
 
CAZ107-108-010515-  
/O.CON.KEKA.WS.W.0009.000000T0000Z-250402T0000Z/  
NORTHERN TRINITY-SOUTHERN TRINITY-  
INCLUDING RUTH, HWY 3-HAYFORK SUMMIT, HWY 299-BUCKHORN SUMMIT,  
HWY 3-SCOTT MOUNTAIN, AND HWY 36-SOUTH FORK MOUNTAIN  
1247 PM PDT MON MAR 31 2025  
   
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM PDT TUESDAY  
 
* WHAT...HEAVY SNOW EXPECTED FOR ELEVATIONS ABOVE 3000 FEET. TOTAL  
SNOW ACCUMULATIONS BETWEEN 8 AND 12 INCHES. UP TO 2 FEET OVER  
SCOTT MOUNTAIN PASS AND OTHER HIGHER PEAKS.  
 
* WHERE...TRINITY COUNTY.  
 
* WHEN...UNTIL 5 PM PDT TUESDAY.  
 
* IMPACTS...ROADS, AND ESPECIALLY BRIDGES AND OVERPASSES, WILL  
LIKELY BECOME SLICK AND HAZARDOUS. TRAVEL COULD BE VERY DIFFICULT  
TO IMPOSSIBLE. TIRE CHAINS MAY BE NECESSARY IF TRAVELLING THROUGH  
MOUNTAIN PASSES.  
 
* ADDITIONAL DETAILS...SNOW LEVEL STARTS AT 4500 FEET THIS EVENING,  
LOWERING TO 3000 FEET TONIGHT.  
 
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.  
 
 
 
 
 
CAZ105-010515-  
/O.CON.KEKA.WW.Y.0010.250401T0000Z-250402T0000Z/  
NORTHERN HUMBOLDT INTERIOR-  
INCLUDING HWY 299-BERRY SUMMIT  
1247 PM PDT MON MAR 31 2025  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS  
AFTERNOON TO 5 PM PDT TUESDAY...  
 
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS 2 TO 4 INCHES ABOVE  
2500 FT, INCLUDING BERRY SUMMIT ON HIGHWAY 299. LOCALLY HIGHER  
AMOUNTS OVER PEAKS.  
 
* WHERE...NORTHERN HUMBOLDT INTERIOR.  
 
* WHEN...FROM 5 PM THIS AFTERNOON TO 5 PM PDT TUESDAY.  
 
* IMPACTS...ROADS, AND ESPECIALLY BRIDGES AND OVERPASSES, WILL  
LIKELY BECOME SLICK AND HAZARDOUS. TRAVEL COULD BE VERY DIFFICULT  
TO IMPOSSIBLE. TIRE CHAINS MAY BE NECESSARY IF TRAVELLING THROUGH  
MOUNTAIN PASSES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
SLOW DOWN AND USE CAUTION WHILE TRAVELING. THE LATEST ROAD  
CONDITIONS FOR THE STATE YOU ARE CALLING FROM CAN BE OBTAINED BY  
CALLING 5 1 1.  
 
 
 
 
 
FOR HAZARD AREAS SEE HTTPS://WWW.WRH.NOAA.GOV/MAP/?WFO=EKA  
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