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000 

RWUS32 KDSM 110619

FFSDSM

IAZ017-025-026-110715-



FLASH FLOOD STATEMENT

NATIONAL WEATHER SERVICE DES MOINES IA

115 AM CDT WED JUL 10 2002



...A FLASH FLOOD WARNING CONTINUES FOR CERRO GORDO AND FRANKLIN 

COUNTIES UNTIL 330 AM...



AT 110 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 

SCATTERED AREAS OF HEAVY RAIN CONTINUING OVER PORTIONS OF NORTH 

CENTRAL IOWA. THE HEAVIEST RAIN HAS MOVED OUT OF CERRO GORDO AND 

FRANKLIN COUNTIES WITH JUST SOME MODERATE RAIN OVER AREAS BETWEEN 

MASON CITY AND ROCK FALLS. ALTHOUGH RAINFALL HAS DIMINISHED OVER 

WESTERN PORTIONS OF CERRO GORDO AND FRANKLIN COUNTIES...SOME RUNOFF 

WILL LIKELY CONTINUE FOR THE NEXT COUPLE HOURS. IN ADDITION... 

ANOTHER SMALL AREA OF HEAVY RAIN NEAR LIVERMORE AND HUMBOLDT WILL 

MOVE SOUTHEAST INTO PORTIONS OF SOUTHWEST FRANKLIN COUNTY. 

FORTUNATELY IT APPEARS THIS HEAVY RAIN WILL MOVE JUST SOUTH OF THOSE 

AREAS THAT RECEIVED THE HEAVY RAIN EARLIER TONIGHT. 

 

DOPPLER RADAR PRECIPITATION ESTIMATES INDICATED ANYWHERE FROM 4 TO 6 

INCHES HAD FALLEN ACROSS WESTERN CERRO GORDO AND WESTERN FRANKLIN 

COUNTIES BETWEEN 800 PM AND 1100 PM.  MUCH OF THIS APPEARED TO FALL 

JUST WEST OF INTERSTATE 35 BETWEEN ALEXANDER AND VENTURA. MOTORISTS 

IN THESE AREAS...ESPECIALLY ALONG HIGHWAY 107 SHOULD USE EXTRA 

CAUTION.



FLASH FLOODS OCCUR QUICKLY...SO MOVE TO HIGHER GROUND IF RISING 

WATERS THREATEN YOUR LOCATION.  FLASH FLOODING CAN BE ESPECIALLY 

DANGEROUS AT NIGHT WHEN IT IS DIFFICULT TO SPOT.  AVOID WATER 

COVERED ROADS AS THE ROAD MAY BE WASHED OUT.  LESS THAN ONE FOOT OF 

FAST FLOWING WATER CAN SWEEP AN AUTOMOBILE OFF THE ROAD.



LAT...LON 4291 9367 4256 9366 4256 9304 4326 9305

          4326 9350 4291 9351



JAW

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