

674 

WGUS75 KCYS 020126

FFSCYS



FLASH FLOOD STATEMENT

NATIONAL WEATHER SERVICE CHEYENNE WY

726 PM MDT MON JUN 1 2009



NEC165-020500-

/O.CON.KCYS.FF.W.0001.000000T0000Z-090602T0500Z/

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

SIOUX NE-

726 PM MDT MON JUN 1 2009



...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHERN SIOUX COUNTY

UNTIL 1100 PM MDT...



NATIONAL WEATHER SERVICE DOPPLER RADAR ESTIMATED 4 TO 5 INCHES OF 

RAIN FELL FROM THUNDERSTORMS THAT HAD EARLIER IMPACTED SOUTH CENTRAL 

SIOUIX COUNTY. LOCATIONS IN THE VICINITY OF MOUNT EDNA...INCLUDING 

AREAS ALONG AND WEST OF HIGHWAY 29 SOUTH OF AGATE WILL CONTINUE TO 

BE MOST SUSCEPTIBLE TO FLOODING.



SLOW MOVING THUNDERSTORMS PRODUCED VERY HEAVY RAINFALL IN THE

WARNED AREA. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH

FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING 

INCLUDE...MOUNT EDNA AND HIGHWAY 29 SOUTH OF AGATE.



PLEASE FORWARD ANY REPORTS OF FLOODING TO LAW ENFORCEMENT OR THE 

NATIONAL WEATHER SERVICE IN CHEYENNE AT 1-800-269-6220.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...MT EDNA 

DRAW...AND DRY SPOTTEDTAIL CREEK.



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 ONLY TAKES A FEW

INCHES OF SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.



&&



LAT...LON 4233 10371 4213 10371 4213 10396 4233 10397



$$

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