BULLETIN – EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
405 PM CDT MON JUL 5 2010

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* FLASH FLOOD WARNING FOR…
NORTHWESTERN CLAY COUNTY IN NORTHWEST IOWA
O’BRIEN COUNTY IN NORTHWEST IOWA
OSCEOLA COUNTY IN NORTHWEST IOWA
SOUTHEASTERN NOBLES COUNTY IN SOUTHWEST MINNESOTA
WESTERN DICKINSON COUNTY IN NORTHWEST IOWA
WESTERN JACKSON COUNTY IN SOUTHWEST MINNESOTA

* UNTIL 700 PM CDT

* AT 358 PM CDT…NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. THE HEAVIER CELLS ARE CAPABLE OF PRODUCING UP TO TWO INCHES OF RAIN IN ONE HOUR WHICH WILL CAUSE URBAN FLOODING IN POOR DRAINAGE AREAS.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE…SPIRIT LAKE…WORTHINGTON…ARNOLDS PARK…BREWSTER…EVERYLY…FOSTORIA…HARTLEY…LAKE PARK…LAKEFIELD…MILFORD…OCHEYEDAN…OKOBOJI…ORLEANS…PRIMGHAR…ROUND LAKE…RUSHMORE…SANBORN…SIBLEY…WAHPETON AND WEST OKOBOJI.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL URBAN AREAS…HIGHWAYS…STREETS AND UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.