

000 

WGUS73 KFSD 172029

FFSFSD

IAC041-172115-



FLASH FLOOD STATEMENT

NATIONAL WEATHER SERVICE SIOUX FALLS SD

329 PM CDT FRI SEP 17 2004



...A FLASH FLOOD WARNING CONTINUES UNTIL 415 PM CDT FOR CLAY

COUNTY...



AT 329 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 

INDICATE A LINE OF THUNDERSTORMS PRODUCING FLASH FLOODING FROM 

MONETA TO GILLETT GROVE. THESE STORMS WERE MOVING TO THE EAST AT 30 

MPH.  RAINFALL...OCCASIONALLY HEAVY...WILL CONTINUE THROUGH 415 PM 

CDT ACROSS CENTRAL AND SOUTHERN CLAY COUNTY.  SCATTERED 

THUNDERSTORMS WILL ALSO CONTINUE NORTH OF HIGHWAY 18...INCLUDING THE 

CITY OF SPENCER



ADDITIONAL RAINFALL AMOUNTS OF UP TO ONE INCH ARE EXPECTED OVER 

PORTIONS OF SOUTHERN CLAY COUNTY...INCLUDING ROYAL.  UP TO ONE HALF 

INCH OF RAIN IS POSSIBLE ACROSS NORTHERN CLAY COUNTY...INCLUDING 

SPENCER.



BROADCAST MEDIA IN SPENCER REPORTED 2.92 INCHES OF RAIN THROUGH 315 

PM CDT...WITH UP TO 4 INCHES NEAR THE CLAY COUNTY FAIRGROUNDS.  OVER 

3 INCHES WAS OBSERVED NEAR ROYAL IOWA AROUND 2 PM CDT. STREET 

FLOODING WAS REPORTED IN SPENCER AND IN ROYAL.  SMALL CREEKS ACROSS 

THE COUNTY MAY ALSO RISE ABOVE FLOOD STAGE DUE TO THE HEAVY RAINFALL.



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.



FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR

IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...

DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM...

EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER

GROUND.



LAT...LON 4325 9540 4292 9540 4292 9493 4325 9494



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SCHUMACHER

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