982  
WWUS75 KTWC 062019  
NPWTWC  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE TUCSON AZ  
119 PM MST SAT APR 6 2024  
 
AZZ503-507>509-071600-  
/O.CON.KTWC.HZ.W.0004.240407T0800Z-240407T1600Z/  
UPPER SANTA CRUZ RIVER VALLEY/ALTAR VALLEY-  
UPPER SAN PEDRO RIVER VALLEY-  
EASTERN COCHISE COUNTY BELOW 5000 FEET-UPPER GILA RIVER VALLEY-  
INCLUDING THE CITIES OF NOGALES, BENSON, WILLCOX, AND DOUGLAS  
119 PM MST SAT APR 6 2024  
 
...HARD FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 9 AM MST  
SUNDAY...  
 
* WHAT...SUB-FREEZING TEMPERATURES AS LOW AS 27 EXPECTED.  
 
* WHERE...UPPER SANTA CRUZ RIVER VALLEY/ALTAR VALLEY, UPPER SAN  
PEDRO RIVER VALLEY, EASTERN COCHISE COUNTY BELOW 5000 FEET AND  
UPPER GILA RIVER VALLEY.  
 
* WHEN...FROM 1 AM TO 9 AM MST SUNDAY.  
 
* IMPACTS...FROST AND FREEZE CONDITIONS WILL KILL CROPS, OTHER  
SENSITIVE VEGETATION AND POSSIBLY DAMAGE UNPROTECTED OUTDOOR  
PLUMBING.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
TAKE STEPS NOW TO PROTECT TENDER PLANTS FROM THE COLD. TO PREVENT  
FREEZING AND POSSIBLE BURSTING OF OUTDOOR WATER PIPES THEY SHOULD  
BE WRAPPED, DRAINED, OR ALLOWED TO DRIP SLOWLY. THOSE THAT HAVE  
IN-GROUND SPRINKLER SYSTEMS SHOULD DRAIN THEM AND COVER ABOVE-  
GROUND PIPES TO PROTECT THEM FROM FREEZING.  
 

 
 

 
 
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