031  
WGUS85 KSLC 110034  
FLSSLC  
 
FLOOD ADVISORY  
NATIONAL WEATHER SERVICE SALT LAKE CITY UT  
634 PM MDT FRI OCT 10 2025  
 
UTC053-110230-  
/O.NEW.KSLC.FA.Y.0013.251011T0034Z-251011T0230Z/  
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
WASHINGTON UT-  
634 PM MDT FRI OCT 10 2025  
   
..FLOOD ADVISORY IN EFFECT UNTIL 830 PM MDT THIS EVENING  
 
* WHAT...URBAN AND SMALL STREAM FLOODING CAUSED BY EXCESSIVE  
RAINFALL IS EXPECTED.  
 
* WHERE...A PORTION OF SOUTHERN UTAH, INCLUDING THE FOLLOWING  
COUNTY, WASHINGTON.  
 
* WHEN...UNTIL 830 PM MDT.  
 
* IMPACTS...MINOR FLOODING IN LOW-LYING AND POOR DRAINAGE AREAS.  
RISES IN SMALL STREAMS AND NORMALLY DRY WASHES. DANGEROUS FLOWS  
OVER LOW-WATER CROSSINGS.  
 
* ADDITIONAL DETAILS...  
- AT 632 PM MDT, DOPPLER RADAR INDICATED HEAVY RAIN DUE TO  
THUNDERSTORMS. THIS WILL CAUSE URBAN AND SMALL STREAM  
FLOODING. OVERFLOWING POOR DRAINAGE AREAS WILL CAUSE MINOR  
FLOODING IN THE ADVISORY AREA.  
- INTENSE RAINFALL HAS BEGUN, AND ADDITIONAL RAINFALL AMOUNTS  
OF 0.5 TO 1 INCH ARE EXPECTED OVER THE AREA. THIS ADDITIONAL  
RAIN WILL RESULT IN MINOR FLOODING.  
- SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...  
DAMERON VALLEY, GUNLOCK STATE PARK, VEYO AND GUNLOCK.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD  
DEATHS OCCUR IN VEHICLES.  
 
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.  
 
PLEASE REPORT OBSERVED FLOODING TO LOCAL EMERGENCY SERVICES OR LAW  
ENFORCEMENT AND REQUEST THEY PASS THIS INFORMATION TO THE NATIONAL  
WEATHER SERVICE WHEN YOU CAN DO SO SAFELY.  
 
 
 
LAT...LON 3739 11380 3740 11365 3729 11364 3726 11379  
 
 
 
GM  
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