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185 

RWUS32 KDSM 090421

FFSDSM

IAZ059-060-090515-



FLASH FLOOD STATEMENT

NATIONAL WEATHER SERVICE DES MOINES IA

1116 PM CDT SUN APR 8 2001



...A FLASH FLOOD WARNING CONTINUES FOR WESTERN POLK AND EASTERN 

DALLAS COUNTIES UNTIL 415 AM...



AT 1116 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO

INDICATE THUNDERSTORMS WITH FLASH FLOOD PRODUCING RAINS OVER THE

WARNING AREA 4 MILES EAST OF DALLAS CENTER...OR ABOUT 17 MILES

NORTHWEST OF DES MOINES...MOVING NORTHEAST AT 20 MPH.



THUNDERSTORMS WITH EXCESSIVE RAINFALL WILL BE NEAR...

  5 MILES NORTHWEST OF GRIMES AROUND 1120 PM

  NEAR GRANGER AROUND 1130 PM

  NEAR POLK CITY AROUND 1140 PM



THUNDERSTORMS ARE CONTINUOUSLY REDEVELOPING OVER THE WARNING 

AREA...RESULTING IN EXCESSIVE RAINFALL. RAINFALL RATES WILL AVERAGE 

1 TO 2 INCHES PER HOUR. THIS WILL PRODUCE FLASH FLOODING ALONG THE 

WALNUT CREEK.



EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL

CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY

ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER

LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING.



LAT...LON 4176 9404 4156 9402 4159 9367 4181 9369



CORRIGAN

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