132  
WGUS84 KOUN 211238  
FLSOUN  
 
FLOOD ADVISORY  
NATIONAL WEATHER SERVICE NORMAN OK  
738 AM CDT THU MAY 21 2026  
 
OKC017-051-211545-  
/O.NEW.KOUN.FA.Y.0070.260521T1238Z-260521T1545Z/  
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
CANADIAN OK-GRADY OK-  
738 AM CDT THU MAY 21 2026  
   
..FLOOD ADVISORY IN EFFECT UNTIL 1045 AM CDT THIS MORNING
 
 
* WHAT...FLOODING CAUSED BY EXCESSIVE RAINFALL IS EXPECTED.  
 
* WHERE...A PORTION OF CENTRAL OKLAHOMA, INCLUDING THE FOLLOWING  
COUNTIES, CANADIAN AND GRADY.  
 
* WHEN...UNTIL 1045 AM CDT.  
 
* IMPACTS...MINOR FLOODING IN LOW-LYING AND POOR DRAINAGE AREAS.  
 
* ADDITIONAL DETAILS...  
- AT 738 AM CDT, DOPPLER RADAR INDICATED HEAVY RAIN DUE TO  
THUNDERSTORMS. MINOR FLOODING IS ONGOING OR EXPECTED TO BEGIN  
SHORTLY IN THE ADVISORY AREA. BETWEEN 1 AND 1.5 INCHES OF  
RAIN HAVE FALLEN.  
- ADDITIONAL RAINFALL AMOUNTS UP TO 1 INCH ARE EXPECTED OVER  
THE AREA. THIS ADDITIONAL RAIN WILL RESULT IN MINOR FLOODING.  
- SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...  
NORTHWESTERN OKLAHOMA CITY, EL RENO, YUKON, PIEDMONT, UNION  
CITY, MINCO, OKARCHE, CONCHO AND RICHLAND.  
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD  
DEATHS OCCUR IN VEHICLES.  
 

 
 
LAT...LON 3573 9797 3573 9796 3573 9789 3573 9785  
3573 9781 3573 9779 3573 9777 3573 9775  
3573 9770 3573 9769 3573 9768 3547 9777  
3522 9795 3526 9809 3528 9809 3529 9810  
3532 9810 3561 9804  
 

 
 
MEISTER  
 
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