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677 

RWUS32 KDSM 020804

FFSDSM

IAZ033-034-020950-



FLASH FLOOD STATEMENT

NATIONAL WEATHER SERVICE DES MOINES IA

300 AM CDT WED MAY 2 2001



...A FLASH FLOOD WARNING CONTINUES FOR SAC AND CALHOUN COUNTIES UNTIL

450 AM...



AT 300 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO

INDICATE THUNDERSTORMS WITH FLASH FLOOD PRODUCING RAINS IN THE 

WARNING AREA.



RECENT REPORTS FROM CALHOUN COUNTY SHERIFFS INDICATED 4 INCHES OF 

RAINFALL IN ROCKWELL CITY IN THE PAST 4 HOURS.  STREET FLOODING 

REMAIN A PROBLEM IN ROCKWELL CITY.  IN ADDITION...MANY COUNTY ROADS 

MAY BECOME IMPASSABLE AS RAIN CONTINUES TO FALL.  



THUNDERSTORMS ARE EXPECTED TO CONTINUE TO TRAIN ACROSS SAC AND 

CALHOUN COUNTIES THROUGH 4 AM WITH ADDITIONAL RAINFALL OF 1 TO 2 

INCHES.  THIS IS A SERIOUS SITUATION AS RAINFALL TOTALS FROM 3 TO 5 

INCHES BECOME COMMON WITH ISOLATED AMOUNTS OVER 6 INCHES.



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.



$$



COGIL

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