

000 

WGUS53 KFSD 070549

FFWFSD

SDC099-070845-



BULLETIN - EAS ACTIVATION REQUESTED

FLASH FLOOD WARNING

NATIONAL WEATHER SERVICE SIOUX FALLS SD

1245 AM CDT FRI APR 7 2006



THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A



* FLASH FLOOD WARNING FOR...

  MINNEHAHA COUNTY IN SOUTHEAST SOUTH DAKOTA



* UNTIL 345 AM CDT



* AT 1245 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED

  TWO TO THREE INCHES RAINFALL FROM A PERSISTENT BAND OF THUNDERSTORMS

  ACROSS MINNEHAHA COUNTY...MAINLY THROUGH AREAS FROM AROUND RENNER TO

  GARRETSON...WHICH WILL RESULT IN FLASH FLOODING. AN ADDITIONAL HALF

  TO THREE QUARTERS OF AN INCH RAINFALL IS LIKELY THROUGH 3 AM.



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.  AREAS NEAR SILVER CREEK AROUND

RENNER...DEVILS GULCH CREEK NEAR GARRETSON...AND SKUNK CREEK NEAR

HARTFORD WILL BE MOST SUSCEPTABLE TO FLASH FLOODING.



IN ADDITION...AREAS WITH POOR DRAINAGE IN THE SIOUX FALLS METRO AREA 

WHICHCOMMONLY EXPERIENCE SIGNIFICANT PONDING WILL ALSO FLOOD.



BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE

DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE

UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS

SUBJECT TO FLOODING WHEN WATER BEGINS RISING.



LAT...LON 4353 9658 4374 9647 4375 9692 4352 9694



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