551  
WGUS55 KSLC 121417  
FFWSLC  
UTC055-121715-  
/O.NEW.KSLC.FF.W.0027.250912T1417Z-250912T1715Z/  
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
 
BULLETIN - EAS ACTIVATION REQUESTED  
FLASH FLOOD WARNING  
NATIONAL WEATHER SERVICE SALT LAKE CITY UT  
817 AM MDT FRI SEP 12 2025  
 
THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A  
 
* FLASH FLOOD WARNING FOR...  
EASTERN WAYNE COUNTY IN SOUTHERN UTAH...  
 
* UNTIL 1115 AM MDT.  
 
* AT 817 AM MDT, DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING  
HEAVY RAIN ACROSS THE WARNED AREA. BETWEEN 0.5 AND 0.75 INCHES OF  
RAIN HAVE FALLEN. THE EXPECTED RAINFALL RATE IS 1.5 TO 2.5 INCHES  
PER HOUR. ADDITIONAL RAINFALL AMOUNTS OF 0.5 TO 0.75 INCHES ARE  
POSSIBLE IN THE WARNED AREA. FLASH FLOODING IS ONGOING OR EXPECTED  
TO BEGIN SHORTLY.  
 
HAZARD...LIFE THREATENING FLASH FLOODING.  
 
SOURCE...RADAR.  
 
IMPACT...LIFE THREATENING FLASH FLOODING OF SLOT CANYONS ACROSS  
EASTERN WAYNE COUNTY.  
 
* SOME SLOT THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...  
ANGEL COVE, BLOODHOUND, BENIGN, GARDEN BALCONY, BULL PASTURE,  
LARRY, NO MANS, LOST SPRING, ROBBERS ROOST, WHITE ROOST, LOWER  
SAND, HELLS HOLE, HO HUM, PASTURE, BLUE JOHN AND LITTLE JOHN  
CANYONS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
STAY AWAY OR BE SWEPT AWAY. RIVER BANKS AND CULVERTS CAN BECOME  
UNSTABLE AND UNSAFE.  
 
REMAIN ALERT FOR FLOODING EVEN IN LOCATIONS NOT RECEIVING RAIN. DRY  
WASHES, STREAMS, AND RIVERS CAN BECOME RAGING KILLER CURRENTS IN A  
MATTER OF MINUTES, EVEN FROM DISTANT RAINFALL.  
 

 
 
LAT...LON 3819 11051 3833 11065 3843 11049 3849 11040  
3837 11022  
 
FLASH FLOOD...RADAR INDICATED  
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE  
EXPECTED RAINFALL RATE...1.5-2.5 INCHES IN 1 HOUR  
 

 
 
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