

821 

RWUS32 KFSD 300400

FFSFSD

SDZ053-300600-



SMALL STREAM FLOOD ADVISORY

NATIONAL WEATHER SERVICE SIOUX FALLS SD

1100 PM CDT SUN APR 29 2001



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

FLOOD ADVISORY EFFECTIVE UNTIL 100 AM CDT EARLY MONDAY MORNING FOR  

PEOPLE IN THE FOLLOWING COUNTY



IN EAST CENTRAL SOUTH DAKOTA

     NORTHERN SANBORN



AT 1055 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 

VERY HEAVY RAIN OF ONE TO TWO INCHES HAS FALLEN IN THE PAST TWO 

HOURS ACROSS PORTIONS OF NORTHERN SANBORN COUNTY...GENERALLY ALONG 

AND EAST OF HIGHWAY 37...AND NORTH OF HIGHWAY 34. NATIONAL WEATHER 

SERVICE DOPPLER RADAR IS CONTINUING TO SHOW REDEVELOPMENT OF 

THUNDERSTORMS ACROSS THE AREA...AND A LARGER AREA OF STEADY RAINFALL 

EXPECTED TO MOVE IN BETWEEN MIDNIGHT AND 1AM. ADDITIONAL RAINFALL 

WILL LIKELY BE AS HIGH AS ONE HALF TO ONE INCH. 



EXCESSIVE RUNOFF FROM THESE RAINS WILL CAUSE FLOODING OF SMALL 

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

AND STREAMS.



$$

CHAPMAN

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