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150 

RWUS32 KDSM 090457

FFSDSM

IAZ049-090555-



FLASH FLOOD STATEMENT

NATIONAL WEATHER SERVICE DES MOINES IA

1156 PM CDT SUN APR 8 2001



...A FLASH FLOOD WARNING CONTINUES FOR MARSHALL COUNTY UNTIL 500

AM...



AT 1156 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 

INDICATE FLASH FLOODING IN THE WARNING AREA...



THE GROUND IS ALREADY SATURATED BY RAINFALL IN THE WARNING AREA...AND

ADDITIONAL RAIN WILL CONTINUE TO PRODUCE SIGNIFICANT RUNOFF INTO

SWOLLEN WATERWAYS. THUNDERSTORMS ARE EXPECTED TO PRODUCE RAINFALL 

RATES OF 1 TO 2 INCHES PER HOUR. THIS WILL PRODUCE FLASH FLOODING 

ALONG SOME SMALL STREAM AND CREEKS.



BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE

DANGERS OF FLOODS AND FLASH FLOODS. DO NOT DRIVE INTO WATER OF

UNKNOWN DEPTH...THE ROAD MAYBE WASHED OUT.



LAT...LON 4205 9321 4190 9319 4196 9279 4219 9293



CORRIGAN

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