

000 

WGUS73 KDMX 090424

FFSDMX



FLASH FLOOD STATEMENT

NATIONAL WEATHER SERVICE DES MOINES IA

1124 PM CDT WED AUG 8 2007



IAC123-090800-

MAHASKA IA-

1124 PM CDT WED AUG 8 2007



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

MAHASKA COUNTY...



AT 1112 PM CDT...THE MAHASKA COUNTY SHERIFF CONTINUED TO REPORT 

FLOODING ACROSS THEIR COUNTY.  WATER FROM THE SOUTH SKUNK RIVER WAS 

REPORTED FLOWING OVER THE 2200 BLOCK OF 110TH STREET...STANDING 

WATER WAS ON HIGHWAY 63 NORTH OF TOWN...AND WATER WAS OVER THE 2300 

BLOCK OF MARINO ROAD FLOWING OUT OF A FARM FIELD.  NUMEROUS VEHICLES 

WERE STRANDED IN FLOWING OR STANDING WATER.



POWER OUTAGES WERE REPORTED AS WELL.  PEOPLE WHO DEPEND ON SUMP 

PUMPS TO ELIMINATE EXCESS WATER SHOULD CHECK THEIR BASEMENT OR OTHER 

LOW AREAS FOR RISING WATER OR FLOODING.  A SCHOOLNET RAIN GAGE IN 

OSKALOOSA HAS REPORTED 3.84 INCHES OF RAIN TODAY...MUCH OF IT 

FALLING SINCE 400 PM.  THIS MAINLY OCCURRED DURING THREE INSTANCES 

WHERE ROUGHLY AN INCH OF RAIN FELL IN AN HOUR OR LESS.



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.



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

TIME...MOT...LOC 0413Z 180DEG 0KT 4133 9249



$$



SMALL



000 

WGUS73 KDMX 090424

FFSDMX



FLASH FLOOD STATEMENT

NATIONAL WEATHER SERVICE DES MOINES IA

1124 PM CDT WED AUG 8 2007



IAC123-090800-

MAHASKA IA-

1124 PM CDT WED AUG 8 2007



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

MAHASKA COUNTY...



AT 1112 PM CDT...THE MAHASKA COUNTY SHERIFF CONTINUED TO REPORT 

FLOODING ACROSS THEIR COUNTY.  WATER FROM THE SOUTH SKUNK RIVER WAS 

REPORTED FLOWING OVER THE 2200 BLOCK OF 110TH STREET...STANDING 

WATER WAS ON HIGHWAY 63 NORTH OF TOWN...AND WATER WAS OVER THE 2300 

BLOCK OF MARINO ROAD FLOWING OUT OF A FARM FIELD.  NUMEROUS VEHICLES 

WERE STRANDED IN FLOWING OR STANDING WATER.



POWER OUTAGES WERE REPORTED AS WELL.  PEOPLE WHO DEPEND ON SUMP 

PUMPS TO ELIMINATE EXCESS WATER SHOULD CHECK THEIR BASEMENT OR OTHER 

LOW AREAS FOR RISING WATER OR FLOODING.  A SCHOOLNET RAIN GAGE IN 

OSKALOOSA HAS REPORTED 3.84 INCHES OF RAIN TODAY...MUCH OF IT 

FALLING SINCE 400 PM.  THIS MAINLY OCCURRED DURING THREE INSTANCES 

WHERE ROUGHLY AN INCH OF RAIN FELL IN AN HOUR OR LESS.



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.



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

TIME...MOT...LOC 0413Z 180DEG 0KT 4133 9249



$$



SMALL

