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RWUS32 KDSM 180828

FFSDSM

IAZ049-181300-



FLASH FLOOD STATEMENT

NATIONAL WEATHER SERVICE DES MOINES IA

320 AM CDT TUE JUN 18 2002



...FLASH FLOOD WARNING CONTINUES FOR MARSHALL COUNTY UNTIL 800 AM...



AT 315 AM...RADAR INDICATED THUNDERSTORMS WITH FLASH FLOOD PRODUCING

RAINS OVER MUCH OF CENTRAL AND EASTERN MARSHALL COUNTY. 



SLOW MOVING THUNDERSTORMS PRODUCING TORRENTIAL RAINFALL WILL CONTINUE

THROUGH 4 AM NEAR FERGUSON AND GILMAN. ADDITIONAL THUNDERSTORMS ARE 

DEVELOPING OVER AREAS FROM STATE CENTER TO CLEMONS. THESE STORMS 

WILL MOVE EAST ACROSS AREAS FROM ALBION TO MARSHALLTOWN THROUGH 430 

AM. RAINFALL RATES WILL AVERAGE ONE INCH PER HOUR. ESTIMATES 

INDICATE THREE TO FIVE INCHES OF RAIN HAS FALLEN OVER AREAS FROM 

JUST NORTHEAST OF MELBOURNE TO JUST WEST OF ALBION AND LISCOMB. 



THIS WILL PRODUCE FLASH FLOODING ALONG THE MUD CREEK...MINERVA 

CREEK...AND TIMBER CREEK. IN ADDITION...DITCHES AND DRAINAGE AREAS 

WILL LIKELY BE OVERFLOWING. PONDING OF WATER ON AREA ROADS IS LIKELY.



FLASH FLOODS OCCUR QUICKLY...MOVE TO HIGHER GROUND. NEVER DRIVE

THROUGH WATER OF UNKNOWN DEPTH...THE ROAD SURFACE MAY BE WASHED OUT.

LESS THAN ONE FOOT OF FAST FLOWING WATER CAN SWEEP AN AUTOMOBILE OFF

THE ROAD.



LAT...LON 4188 9322 4187 9278 4220 9279 4219 9323



JAW

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