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MNZ071-072-080-081-089-090-097-098-SDZ039-040-054>056-061-062-230300-



URBAN AND SMALL STREAM FLOOD ADVISORY

NATIONAL WEATHER SERVICE SIOUX FALLS SD

700 PM CDT SUN APR 22 2001



THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A URBAN AND  

SMALL STREAM FLOOD ADVISORY EFFECTIVE UNTIL 1000 PM CDT SUNDAY 

EVENING FOR PEOPLE IN THE FOLLOWING COUNTIES



IN SOUTHWEST MINNESOTA

     JACKSON...LYON...COTTONWOOD...PIPESTONE...ROCK...MURRAY...NOBLES

     AND LINCOLN



IN SOUTHEAST SOUTH DAKOTA

     MINNEHAHA AND MCCOOK



IN EAST CENTRAL SOUTH DAKOTA

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



AT 700 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 

WIDESPREAD SHOWERS AND THUNDERSTORMS OVER PORTIONS OF EASTCENTRAL 

AND SOUTHEAST SOUTH DAKOTA...AND SOUTHWEST MINNESOTA...ALONG AND 

NORTH OF INTERSTATE 90. ADDITIONAL RAINFALL AMOUNTS OF ONE HALF TO 

ONE INCH CAN BE EXPECTED THROUGH 10 PM. THE HEAVIER RAINFALL 

SHOULD WILL BEGIN TO TAPER OFF FROM THE SOUTH AFTER 8 

PM...HOWEVER...LIGHT RAIN IS STILL EXPECTED THE REST OF THE NIGHT.



EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLOODING OF SMALL CREEKS 

...STREAMS AND URBAN AREAS. DO NOT ATTEMPT TO CROSS FLOODED ROADS.

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