816  
WGUS53 KUNR 260224  
FFWUNR  
WYC011-260530-  
/O.NEW.KUNR.FF.W.0004.230526T0224Z-230526T0530Z/  
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
 
BULLETIN - EAS ACTIVATION REQUESTED  
FLASH FLOOD WARNING  
NATIONAL WEATHER SERVICE RAPID CITY SD  
824 PM MDT THU MAY 25 2023  
 
THE NATIONAL WEATHER SERVICE IN RAPID CITY HAS ISSUED A  
 
* FLASH FLOOD WARNING FOR...  
NORTHEASTERN CROOK COUNTY IN NORTHEASTERN WYOMING...  
 
* UNTIL 1130 PM MDT.  
 
* AT 824 PM MDT, DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING  
HEAVY RAIN ACROSS THE WARNED AREA. BETWEEN 2 AND 4 INCHES OF RAIN  
HAVE FALLEN. ADDITIONAL RAINFALL AMOUNTS UP TO 1 INCH ARE POSSIBLE  
IN THE WARNED AREA. FLASH FLOODING IS ONGOING OR EXPECTED TO BEGIN  
SHORTLY.  
 
HAZARD...FLASH FLOODING CAUSED BY THUNDERSTORMS.  
 
SOURCE...RADAR.  
 
IMPACT...FLASH FLOODING OF SMALL CREEKS AND STREAMS, URBAN  
AREAS, HIGHWAYS, STREETS AND UNDERPASSES AS WELL AS  
OTHER POOR DRAINAGE AND LOW-LYING AREAS.  
 
* SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...  
MAINLY RURAL AREAS OF NORTHEASTERN CROOK COUNTY NORTH OF ALVA AND  
ALADDIN.  
 
THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...  
EAST CREEK, ALUM CREEK, LAME JONES CREEK, DEEP CREEK, HORSE CREEK,  
PINE CREEK, BEAVERDAM CREEK, GUMBO CREEK, ARNOLD CREEK, BEAR GULCH  
AND OAK CREEK.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
BE AWARE OF YOUR SURROUNDINGS AND DO NOT DRIVE ON FLOODED ROADS.  
 
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 4491 10435 4491 10433 4491 10431 4488 10426  
4483 10424 4475 10414 4472 10424 4473 10442  
4476 10449 4479 10446 4482 10442 4486 10436  
4489 10437  
 
FLASH FLOOD...RADAR INDICATED  
 
 
 
CARSTENS  
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