770  
WWUS46 KSGX 110949  
WSWSGX  
 
URGENT - WINTER WEATHER MESSAGE  
NATIONAL WEATHER SERVICE SAN DIEGO CA  
249 AM PDT TUE MAR 11 2025  
 
CAZ055-112200-  
/O.CON.KSGX.WW.Y.0006.250311T1300Z-250312T0500Z/  
/O.CON.KSGX.WS.A.0003.250312T2300Z-250314T1900Z/  
SAN BERNARDINO COUNTY MOUNTAINS-  
INCLUDING THE CITIES OF BIG BEAR CITY, WRIGHTWOOD, CRESTLINE,  
RUNNING SPRINGS, BIG BEAR LAKE, AND LAKE ARROWHEAD  
249 AM PDT TUE MAR 11 2025  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM THIS MORNING  
TO 10 PM PDT THIS EVENING...  
...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON  
THROUGH FRIDAY MORNING...  
 
* WHAT...FOR THE WINTER WEATHER ADVISORY, WET SNOW EXPECTED WITH  
SNOW ACCUMULATIONS OF 3 TO 6 INCHES ABOVE 6500 FEET AND LOCALLY 6  
TO 10 INCHES ABOVE 8500 FEET. FOR THE WINTER STORM WATCH, HEAVY  
SNOW POSSIBLE WITH SNOWFALL OF 3 TO 6 INCHES FROM 5000 TO 6000  
FEET AND 12 TO 18 INCHES FROM 6500 TO 7500 FEET. WINDS COULD GUST  
AS HIGH AS 65 MPH.  
 
* WHERE...SAN BERNARDINO COUNTY MOUNTAINS.  
 
* WHEN...FOR THE WINTER WEATHER ADVISORY, FROM 6 AM THIS MORNING TO  
10 PM PDT THIS EVENING. FOR THE WINTER STORM WATCH, FROM WEDNESDAY  
AFTERNOON THROUGH FRIDAY MORNING.  
 
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT TO IMPOSSIBLE. THE  
HAZARDOUS CONDITIONS COULD IMPACT THE TUESDAY MORNING AND EVENING  
COMMUTES. VERY STRONG WINDS COULD CAUSE EXTENSIVE TREE DAMAGE.  
ROADS, AND ESPECIALLY BRIDGES AND OVERPASSES, WILL LIKELY BECOME  
SLICK AND HAZARDOUS. VISIBILITIES MAY DROP BELOW 1/4 MILE DUE TO  
FALLING AND BLOWING SNOW.  
 
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.  
 
MONITOR THE LATEST FORECASTS FOR UPDATES ON THIS SITUATION.  
 

 
 

 
 
CAZ056-112200-  
/O.CON.KSGX.WS.A.0003.250312T2300Z-250314T1900Z/  
RIVERSIDE COUNTY MOUNTAINS-  
INCLUDING THE CITIES OF IDYLLWILD-PINE COVE  
249 AM PDT TUE MAR 11 2025  
 
...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON  
THROUGH FRIDAY MORNING...  
 
* WHAT...HEAVY WET SNOW POSSIBLE. TOTAL SNOW ACCUMULATIONS UP TO 12  
INCHES POSSIBLE. WINDS COULD GUST AS HIGH AS 55 MPH.  
 
* WHERE...RIVERSIDE COUNTY MOUNTAINS.  
 
* WHEN...FROM WEDNESDAY AFTERNOON THROUGH FRIDAY MORNING.  
 
* IMPACTS...ROADS, AND ESPECIALLY BRIDGES AND OVERPASSES, WILL  
LIKELY BECOME SLICK AND HAZARDOUS. VISIBILITIES MAY DROP BELOW 1/4  
MILE DUE TO FALLING AND BLOWING SNOW. TRAVEL COULD BE VERY  
DIFFICULT. THE HAZARDOUS CONDITIONS COULD IMPACT THE WEDNESDAY  
EVENING AND THURSDAY MORNING COMMUTES. STRONG WINDS COULD CAUSE  
TREE DAMAGE.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MONITOR THE LATEST FORECASTS FOR UPDATES ON THIS SITUATION.  
 

 
 

 
 
CAZ058-112200-  
/O.CON.KSGX.WS.A.0003.250313T1800Z-250314T1900Z/  
SAN DIEGO COUNTY MOUNTAINS-  
INCLUDING THE CITIES OF JULIAN AND PINE VALLEY  
249 AM PDT TUE MAR 11 2025  
 
...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY MORNING  
THROUGH FRIDAY MORNING...  
 
* WHAT...HEAVY WET SNOW POSSIBLE. TOTAL SNOW ACCUMULATIONS UP TO 3  
INCHES POSSIBLE. WINDS COULD GUST AS HIGH AS 60 MPH.  
 
* WHERE...SAN DIEGO COUNTY MOUNTAINS.  
 
* WHEN...FROM THURSDAY MORNING THROUGH FRIDAY MORNING.  
 
* IMPACTS...ROADS, AND ESPECIALLY BRIDGES AND OVERPASSES, WILL  
LIKELY BECOME SLICK AND HAZARDOUS. VISIBILITIES MAY DROP BELOW 1/4  
MILE DUE TO FALLING AND BLOWING SNOW. PLAN ON SLIPPERY ROAD  
CONDITIONS. THE HAZARDOUS CONDITIONS COULD IMPACT THE THURSDAY  
EVENING AND FRIDAY MORNING COMMUTES. STRONG WINDS COULD CAUSE TREE  
DAMAGE.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MONITOR THE LATEST FORECASTS FOR UPDATES ON THIS SITUATION.  
 

 
 

 
 
17  
 
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