

000

WGUS75 KCYS 240152

FFSCYS



FLASH FLOOD STATEMENT

NATIONAL WEATHER SERVICE CHEYENNE WY

752 PM MDT WED JUL 23 2008



NEC165-240415-

/O.CON.KCYS.FF.W.0016.000000T0000Z-080724T0415Z/

/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

SIOUX NE-

752 PM MDT WED JUL 23 2008



...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1015 PM MDT FOR

SOUTHERN SIOUX COUNTY...



AT 746 PM MDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED RUNOFF FROM 

AN EARLIER THUNDERSTORM WAS PRODUCING LOCALIZED FLASH FLOODING ALONG 

THE DRY SPOTTEDTAIL CREEK DRAINAGE NEAR HIGHWAY 29 IN SOUTHERN SIOUX 

COUNTY.



MOTORISTS TRAVELING HIGHWAY 29 BETWEEN MITCHELL AND AGATE SHOULD BE 

PREPARED FOR THIS AREA OF FLASH FLOODING IN SOUTHERN SIOUX COUNTY. 



EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL

CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE

BANKS OF CREEKS AND STREAMS.



IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE

POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS

FLOODED ROADS. FIND ALTERNATE ROUTES. IT TAKES ONLY A FEW INCHES OF

SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.



LAT...LON 4240 10395 4239 10359 4201 10359 4201 10394



$$



HAHN

