

000 

WGUS73 KDMX 090448

FFSDMX

IAC153-169-090845-



FLASH FLOOD STATEMENT

NATIONAL WEATHER SERVICE DES MOINES IA

1147 PM CDT THU MAY 8 2003



...A FLASH FLOOD WARNING CONTINUES FOR STORY AND POLK COUNTIES UNTIL

245 AM...



AT 1140 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED A NARROW 

BAND OF THUNDERSTORMS WITH HEAVY RAINFALL FROM WEST DES MOINES TO 

WEST OF WINTERSET.  THE STORMS ARE MOVING NORTHEAST AT 45 MPH AND 

SHOULD REACH A LINE FROM NEAR MARSHALLTOWN TO SOUTHEASTERN POLK 

COUNTY BY 1245 AM. RAINFALL COULD REACH A HALF INCH IN LESS THAN 30 

MINUTES...CAUSING STREET FLOODING AND SOME RISES IN SMALLER 

STREAMS. 



ONCE THE LINE OF STORMS PASSES THROUGH...THE THREAT FOR HEAVY RAIN 

SHOULD BE DIMINISHED AND THE FLASH FLOOD WARNING WILL LIKELY BE 

CANCELLED BY 100 AM. 



FLASH FLOODS OCCUR QUICKLY. AVOID WATER COVERED ROADS...THE ROAD MAY 

BE WASHED OUT. LESS THAN ONE FOOT OF FAST FLOWING WATER CAN SWEEP AN 

AUTOMOBILE OFF THE ROAD.



LAT...LON 4153 9378 4152 9337 4187 9336 4220 9324

          4219 9363



JUNGBLUTH



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