

000 

WGUS53 KFSD 191927

FFWFSD

MNC033-192215-



BULLETIN - EAS ACTIVATION REQUESTED

FLASH FLOOD WARNING

NATIONAL WEATHER SERVICE SIOUX FALLS SD

226 PM CDT SUN AUG 19 2007



THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A



* FLASH FLOOD WARNING FOR...

  NORTHERN COTTONWOOD COUNTY IN SOUTHWEST MINNESOTA



* UNTIL 515 PM CDT



* AT 216 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   

  FLASH FLOODING FROM HEAVY RAIN ASSOCIATED WITH PERSISTENT 

  THUNDERSTORMS MOVING ACROSS NORTHERN COTTONWOOD COUNTY.  THESE 

  STORMS EXTEND WESTERN MURRAY COUNTY INTO EASTERN COTTONWOOD 

  COUNTY. THIS AREA OF THUNDERSTORMS IS MOVING TO THE EAST AT 20 MPH.



* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO   

  STORDEN...JEFFERS...AND WESTBROOK. THIS WILL ALSO AFFECT AREAS   

  ALONG HIGHWAY 30.



RADAR ESTIMATES SHOW THAT 2 TO 3 INCHES OF RAIN HAS ALREADY OCCURRED 

TODAY AND AN ADDITIONAL 1 TO 2 INCHES OF RAIN IS EXPECTED THROUGH 4 

PM CDT. THIS RAINFALL ON TOP OF ALREADY SATURATED SOILS WILL CAUSE 

SIGNIFICANT RUNOFF. EXPECT FLOODING TO OCCUR IN LOW LYING AREAS. 

THIS MAY ALSO CAUSE LOCALIZED FLOODING ALONG HIGHWATER CREEK AS WELL 

TRIBUTARIES OF THE LITTLE COTTONWOOD AND WATAWON RIVERS.  



EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL

CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY

ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW

LYING AREAS ARE SUBJECT TO FLOODING.



DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE

ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS

SAFELY. MOVE TO HIGHER GROUND.



LAT...LON 4419 9548 4395 9547 4398 9487 4411 9486

      4411 9512 4419 9512



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SCHUMACHER

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