

000 

WGUS73 KDMX 090259

FFSDMX



FLASH FLOOD STATEMENT

NATIONAL WEATHER SERVICE DES MOINES IA

956 PM CDT WED AUG 8 2007



IAC123-090800-

MAHASKA IA-

956 PM CDT WED AUG 8 2007



...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 300 AM CDT FOR

MAHASKA COUNTY...



AT 951 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 

INDICATE MODERATE TO HEAVY RAINS OVER MAHASKA COUNTY.  RAINFALL 

AMOUNTS OF ONE TO THREE INCHES OF RAIN HAVE LIKELY FALLEN OVER THE 

COUNTY SINCE LATE THIS AFTERNOON...INCLUDING INSTANCES WHERE ONE TO 

TWO INCHES OF THAT RAIN FELL IN AN HOUR OR LESS.  ADDITIONAL 

MODERATE RAIN WITH RAINFALL RATES UP TO A HALF INCH PER HOUR WILL 

CONTINUE UNTIL DIMINISHING BY MIDNIGHT.



AT 901 PM...THE MAHASKA COUNTY SHERIFF REPORTED FLOODING AND WATER 

FLOWING OVER THE ROAD IN THE 600 BLOCK OF GEORGE AVENUE WEST IN 

OSKALOOSA...AND THE 1500 BLOCK OF THIRD AVENUE EAST WITH STALLED 

VEHICLES.



EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL

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

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

LYING AREAS ARE SUBJECT TO FLOODING.



BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE

DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE

UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS

SUBJECT TO FLOODING WHEN WATER BEGINS RISING.



TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY

YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN DES

MOINES.



LAT...LON 4149 9285 4150 9243 4116 9245 4117 9286

TIME...MOT...LOC 0253Z 180DEG 0KT 4133 9249



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