BULLETIN – EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
855 PM CDT TUE AUG 10 2010

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

* FLASH FLOOD WARNING FOR…
BOONE COUNTY IN CENTRAL IOWA…
EASTERN GREENE COUNTY IN WEST CENTRAL IOWA…
MARSHALL COUNTY IN CENTRAL IOWA…
STORY COUNTY IN CENTRAL IOWA…

* UNTIL 300 AM CDT WEDNESDAY

* AT 855 PM CDT…NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL MOVING INTO THE WARNED AREA. RAINFALL RATES OF 1 TO 2 INCHES PER HOUR WILL BE POSSIBLE WITH THESE STORMS.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE…AMES…BOONE…HUXLEY…JEFFERSON…MADRID…MARSHALLTOWN…NEVADA…OGDEN…STATE CENTER AND STORY CITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

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. DO NOT ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.