

515 

RWUS32 KFSD 030948

FFSFSD

IAZ012-031145-



URBAN AND SMALL STREAM FLOOD ADVISORY

NATIONAL WEATHER SERVICE SIOUX FALLS SD

445 AM CDT FRI AUG 3 2001



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

SMALL STREAM FLOOD ADVISORY EFFECTIVE UNTIL 645 AM CDT FRIDAY MORNING

FOR PEOPLE IN THE FOLLOWING COUNTY



IN NORTHWEST IOWA

     SIOUX



AT 445 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED

VERY HEAVY RAIN CONTINUING TO DEVELOP IN MUCH OF SIOUX COUNTY IN 

NORTHWEST IOWA. AT 445 AM CDT THUNDERSTORMS WITH VERY HEAVY RAIN 

WERE CONCENTRATED IN A BAND FROM NORTH OF HUDSON TO NEAR ORANGE 

CITY. RADAR ESTIMATED 1 TO 3 INCHES OF RAINFALL IN THE PAST COUPLE 

OF HOURS IN SIOUX COUNTY. 



EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLOODING OF SMALL CREEKS

AND STREAMS...AS WELL AS URBAN AREAS. DO NOT ATTEMPT TO CROSSED

FLOODED ROADWAYS.

