
213 
WGUS73 KDMX 110836
FFSDMX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
336 AM CDT WED AUG 11 2010

IAC049-099-153-157-110930-
/O.CON.KDMX.FF.W.0087.000000T0000Z-100811T0930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
JASPER IA-POLK IA-POWESHIEK IA-DALLAS IA-
336 AM CDT WED AUG 11 2010

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR EASTERN DALLAS...
POWESHIEK...POLK AND JASPER COUNTIES UNTIL 430 AM CDT...

AT 327 AM CDT...LOCAL LAW ENFORCEMENT OFFICIALS CONTINUED TO REPORT 
A SERIOUS FLASH FLOOD SITUATION IN PROGRESS NEAR FOUR MILE CREEK ON 
THE EAST SITE OF THE DES MOINES METRO AREA. RECORD FLOODING MAY 
OCCUR THROUGHOUT THE FOUR MILE CREEK BASIN. EVACUATIONS OF A TRAILER 
PARK NEAR FOUR MILE CREEK CONTINUE TO TAKE PLACE.

MANY STREETS THROUGHOUT ANKENY CONTINUE TO BE INUNDATED WITH 
WATER.   

AT 245 AM CDT...COLFAX POLICE DEPARTMENT REPORTED WATER WAS 
BEGINNING TO INUNDATE THE WESTBOUND ON RAMP AT EXIT 155 ON 
INTERSTATE 35 DUE TO THE SOUTH SKUNK RIVER. 

WATER MAY ALSO BEGIN TO FLOW ACROSS INTERSTATE 80 NEAR THE COLFAX 
EXIT THROUGHOUT THE NEXT FEW HOURS DUE TO FLOODING ALONG INDIAN 
CREEK BACKING UP DUE TO THE SOUTH SKUNK RIVER. 

SOME LOCATIONS THAT WILL EXPERIENCE FLASH  FLOODING INCLUDE...DES
MOINES...ALTOONA...ANKENY...BONDURANT...BROOKLYN...CLIVE...COLFAX...
DALLAS CENTER...GRIMES...GRINNELL...JOHNSTON...MONROE...MONTEZUMA...
NEWTON...PERRY...PLEASANT HILL...POLK CITY...PRAIRIE CITY...
URBANDALE...WAUKEE...WEST DES MOINES...WINDSOR HEIGHTS AND WOODWARD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE MINOR FLOODING OF
SMALL CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND
UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLOODING IS OBSERVED...ACT QUICKLY. DO NOT
ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND. DO NOT
STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

&&

LAT...LON 4151 9379 4167 9414 4186 9412 4186 9230
      4151 9229

$$

BEERENDS