772  
WGUS55 KCYS 122343  
FFWCYS  
NEC033-123-130245-  
/O.NEW.KCYS.FF.W.0013.211012T2343Z-211013T0245Z/  
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
 
BULLETIN - EAS ACTIVATION REQUESTED  
FLASH FLOOD WARNING  
NATIONAL WEATHER SERVICE CHEYENNE WY  
543 PM MDT TUE OCT 12 2021  
 
THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A  
 
* FLASH FLOOD WARNING FOR...  
EASTERN CHEYENNE COUNTY IN THE PANHANDLE OF NEBRASKA...  
SOUTHERN MORRILL COUNTY IN THE PANHANDLE OF NEBRASKA...  
 
* UNTIL 845 PM MDT.  
 
* AT 543 PM MDT, DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING  
HEAVY RAIN ACROSS THE WARNED AREA. BETWEEN 1 AND 2 INCHES OF RAIN  
HAVE FALLEN. THE EXPECTED RAINFALL RATE IS 1 TO 2 INCHES IN 2  
HOURS. ADDITIONAL RAINFALL AMOUNTS OF 1 TO 1.5 INCHES 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...  
SIDNEY, LODGEPOLE, DALTON, GURLEY, COLTON, SUNOL AND SIDNEY  
AIRPORT.  
 
THIS INCLUDES THE FOLLOWING HIGHWAYS...  
INTERSTATE 80 IN NEBRASKA BETWEEN MILE MARKERS 56 AND 75.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD  
DEATHS OCCUR IN VEHICLES.  
 
BE AWARE OF YOUR SURROUNDINGS AND DO NOT DRIVE ON FLOODED ROADS.  
 
IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE  
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO CROSS FLOODED  
ROADS. FIND AN ALTERNATE ROUTE.  
 

 
 
LAT...LON 4144 10305 4144 10264 4100 10265 4101 10303  
 
FLASH FLOOD...RADAR INDICATED  
EXPECTED RAINFALL...1-2 INCHES IN 2 HOURS  
 

 
 
COX  
 
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