An earlier Flash Flood Warning included Cherokee and Plymouth counties and counties to the north and east.

BULLETIN – EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
910 PM CDT TUE JUL 7 2009

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* FLASH FLOOD WARNING FOR…
BUENA VISTA COUNTY IN NORTHWEST IOWA
CENTRAL UNION COUNTY IN SOUTHEAST SOUTH DAKOTA
CHEROKEE COUNTY IN NORTHWEST IOWA
PLYMOUTH COUNTY IN NORTHWEST IOWA

* UNTIL MIDNIGHT CDT

* AT 907 PM CDT…NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAINFALL MOVING SOUTHEAST INTO THE WARNED AREA. LOCALLY HEAVY AMOUNTS OF 2 TO 3 INCHES CAN BE EXPECTED IN A SHORT TIME.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE…LE MARS..STORM LAKE…AKRON…ALBERT CITY…ALTA…AURELIA…CHEROKEE…ELKPOINT..HINTON…JEFFERSON…KINGSLEY…LAKESIDE…MERRILL…NEWELL…QUIMBY…REMSEN…
TRUESDALE…UNION COUNTY STATE PARK AND WASHTA.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS…COUNTRY ROADS…AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS.