850  
WWUS46 KHNX 131204  
WSWHNX  
 
URGENT - WINTER WEATHER MESSAGE  
NATIONAL WEATHER SERVICE HANFORD CA  
504 AM PDT THU MAR 13 2025  
 
CAZ323>331-132015-  
/O.CON.KHNX.WS.W.0006.000000T0000Z-250314T0600Z/  
YOSEMITE NP OUTSIDE OF THE VALLEY-YOSEMITE VALLEY-SAN JOAQUIN  
RIVER CANYON-UPPER SAN JOAQUIN RIVER-KAISER TO RODGERS RIDGE-  
KINGS CANYON NP-GRANT GROVE AREA-SEQUOIA NP-SOUTH END OF THE  
UPPER SIERRA-  
INCLUDING THE CITIES OF SHAVER LAKE, LAKE WISHON, GIANT FOREST,  
JOHNSONDALE, HUNTINGTON LAKE, HUME LAKE, LODGEPOLE, TUOLUMNE  
MEADOWS, YOSEMITE VALLEY, WAWONA, CEDAR GROVE, GRANT GROVE,  
FLORENCE LAKE, DEVILS POSTPILE, AND LAKE THOMAS EDISON  
504 AM PDT THU MAR 13 2025  
 
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THIS  
EVENING...  
 
* WHAT...HEAVY SNOW. ADDITIONAL SNOW ACCUMULATIONS BETWEEN 6 AND 18  
INCHES. WINDS GUSTING AS HIGH AS 60 MPH.  
 
* WHERE...THE SIERRA NEVADA, INCLUDING YOSEMITE VALLEY.  
 
* WHEN...UNTIL 11 PM PDT THIS EVENING.  
 
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT TO IMPOSSIBLE. THE  
HAZARDOUS CONDITIONS COULD IMPACT THE THURSDAY MORNING AND EVENING  
COMMUTES. GUSTY WINDS COULD BRING DOWN TREE BRANCHES.  
 
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.  
 

 
 

 
 
CAZ318-320-322-132015-  
/O.CON.KHNX.WW.Y.0004.000000T0000Z-250314T0600Z/  
MARIPOSA-MADERA LOWER SIERRA-FRESNO-TULARE LOWER SIERRA-SOUTH END  
OF THE LOWER SIERRA-  
INCLUDING THE CITIES OF CAMP NELSON, COARSEGOLD, BASS LAKE,  
OAKHURST, FISH CAMP, NORTH FORK, AND AUBERRY  
504 AM PDT THU MAR 13 2025  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS  
EVENING...  
 
* WHAT...SNOW. ADDITIONAL SNOW ACCUMULATIONS UP TO 12 INCHES.  
 
* WHERE...FRESNO-TULARE LOWER SIERRA, MARIPOSA-MADERA LOWER SIERRA,  
AND SOUTH END OF THE LOWER SIERRA.  
 
* WHEN...UNTIL 11 PM PDT THIS EVENING.  
 
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT TO IMPOSSIBLE. THE  
HAZARDOUS CONDITIONS COULD IMPACT THE THURSDAY MORNING AND EVENING  
COMMUTES.  
 
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.  
 

 
 

 
 
CAZ333>336-132015-  
/O.CON.KHNX.WW.Y.0004.000000T0000Z-250314T1200Z/  
PIUTE WALKER BASIN-TEHACHAPI-GRAPEVINE-FRAZIER MOUNTAIN  
COMMUNITIES-  
INCLUDING THE CITIES OF TEHACHAPI, FRAZIER PARK, GRAPEVINE, AND  
LEBEC  
504 AM PDT THU MAR 13 2025  
   
..WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM PDT FRIDAY
 
 
* WHAT...SNOW. TOTAL SNOW ACCUMULATIONS OF 2 TO 5 INCHES ABOVE 4000  
FEET AND UP TO 15 INCHES AT THE HIGHEST ELEVATIONS. WINDS COULD  
GUST AS HIGH AS 55 MPH.  
 
* WHERE...FRAZIER MOUNTAIN COMMUNITIES, GRAPEVINE, PIUTE WALKER  
BASIN, AND TEHACHAPI.  
 
* WHEN...UNTIL 5 AM PDT FRIDAY.  
 
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT TO IMPOSSIBLE. THE  
HAZARDOUS CONDITIONS COULD IMPACT THE THURSDAY MORNING AND EVENING  
COMMUTES. GUSTY WINDS COULD BRING DOWN TREE BRANCHES.  
 
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.  
 

 
 

 
 
DH  
 
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