

000 

WGUS53 KFSD 210024

FFWFSD

IAC149-167-SDC027-127-210315-



BULLETIN - EAS ACTIVATION REQUESTED

FLASH FLOOD WARNING

NATIONAL WEATHER SERVICE SIOUX FALLS SD

721 PM CDT MON JUN 20 2005



THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A



* FLASH FLOOD WARNING FOR...

  NORTHERN PLYMOUTH COUNTY IN NORTHWEST IOWA

  SOUTHERN SIOUX COUNTY IN NORTHWEST IOWA

  CLAY COUNTY IN SOUTHEAST SOUTH DAKOTA

  UNION COUNTY IN SOUTHEAST SOUTH DAKOTA



* UNTIL 1015 PM CDT



* AT 721 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   

  FLASH FLOODING PRODUCING RAINS FROM THUNDERSTORMS ALONG A LINE 

  EXTENDING FROM IRETON TO 12 MILES WEST OF ALCESTER...OR ALONG A 

  LINE EXTENDING FROM 11 MILES EAST OF HAWARDEN TO 7 MILES 

  SOUTHWEST OF BERESFORD...MOVING SOUTHEAST AT 10 MPH.



RADAR ESTIMATES 1 TO 2 INCHES OF RAIN HAVE FALLEN SINCE 630 PM...AND 

AN ADDITIONAL 1 TO 2 INCHES OF RAIN IS POSSIBLE THROUGH 830 PM.



EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL

CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES

AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.



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.



TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY

YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN SIOUX

FALLS.



LAT...LON 4303 9593 4306 9711 4281 9710 4269 9593



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MG

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