548  
WWUS45 KTWC 311904  
WSWTWC  
 
URGENT - WINTER WEATHER MESSAGE  
NATIONAL WEATHER SERVICE TUCSON AZ  
1204 PM MST SUN MAR 31 2024  
 
AZZ510>514-011100-  
/O.UPG.KTWC.WW.Y.0013.000000T0000Z-240402T0400Z/  
/O.NEW.KTWC.WS.W.0004.240331T1904Z-240402T0400Z/  
WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES-  
GALIURO AND PINALENO MOUNTAINS-CHIRICAHUA MOUNTAINS-  
DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS-  
CATALINA AND RINCON MOUNTAINS-  
INCLUDING THE CITIES OF HANNAGAN MEADOW, MOUNT GRAHAM,  
MOUNT LEMMON, AND SUMMERHAVEN  
1204 PM MST SUN MAR 31 2024  
 
...WINTER STORM WARNING IN EFFECT UNTIL 9 PM MST MONDAY ABOVE  
7000 FEET...  
 
* WHAT...HEAVY SNOW ABOVE 7000 FEET. ADDITIONAL SNOW ACCUMULATIONS  
OF 8 TO 15 INCHES. A FEW LOCATIONS ABOVE 8000 FEET UP TO 18  
INCHES. WINDS GUSTING AS HIGH AS 50 MPH.  
 
* WHERE...WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES,  
GALIURO AND PINALENO MOUNTAINS, CHIRICAHUA MOUNTAINS, DRAGOON  
AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS AND CATALINA  
AND RINCON MOUNTAINS.  
 
* WHEN...UNTIL 9 PM MST MONDAY.  
 
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT TO IMPOSSIBLE. GUSTY  
WINDS COULD BRING DOWN TREE BRANCHES. BLOWING SNOW COULD  
RESTRICT VISIBILITIES AT TIMES.  
 
* ADDITIONAL DETAILS...SNOW LEVELS WILL FALL AS LOW AS 5500 TO  
6000 FEET AT TIMES, BUT ANY SIGNIFICANT ACCUMULATIONS SHOULD BE  
ABOVE 7000 FEET.  
 
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.  
 

 
 

 
 
VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON  
 
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