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RWUS32 KFSD 230403

FFSFSD

IAZ001-012-SDZ039-040-053>056-060>062-066-067-230700-



SMALL STREAM FLOOD ADVISORY

NATIONAL WEATHER SERVICE SIOUX FALLS SD

1056 PM CDT SUN APR 22 2001



THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SMALL STREAM

FLOOD ADVISORY EFFECTIVE UNTIL 200 AM CDT MONDAY MORNING FOR PEOPLE

IN THE FOLLOWING COUNTIES



IN EAST CENTRAL SOUTH DAKOTA

     SANBORN...BROOKINGS...MINER...KINGSBURY...MOODY AND LAKE



IN SOUTHEAST SOUTH DAKOTA

     HANSON...MINNEHAHA...LINCOLN...MCCOOK AND TURNER



IN NORTHWEST IOWA

     LYON AND SIOUX



AT 1056 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 

VERY HEAVY RAIN HAS FALLEN ACROSS MUCH OF SOUTHEAST AND EAST CENTRAL 

SOUTH DAKOTA.  ANOTHER AREA OF SHOWERS AND THUNDERSTORMS WILL MOVE 

ACROSS THE AREA THROUGH MIDNIGHT.  AROUND ONE HALF INCH OF RAIN CAN 

BE EXPECTED WITH THESE STORMS.  THIS RAIN...ADDED TO THE 2 TO 4 

INCHES OF RAIN THAT HAS ALREADY FALLEN ACROSS THE REGION...WILL 

RESULT IN INCREASED RUNOFF.  EXPECT SMALL STREAMS TO BECOME BANKFULL 

AND WATER TO POND IN LOW LYING AREAS.  SOME ROADS MAY BECOME COVERED 

WITH WATER. 



TURNER COUNTY SHERIFF REPORTED THAT THE HURLEY CREEK NEAR HURLEY WAS 

OUT OF BANKS RESULTING IN FLOODING IN LOW LYING AREAS.



EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLOODING OF SMALL CREEKS

AND STREAMS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND

STREAMS.

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