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

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

* FLASH FLOOD WARNING FOR…
BLACK HAWK COUNTY IN NORTHEAST IOWA…
BREMER COUNTY IN NORTHEAST IOWA…
BUTLER COUNTY IN NORTH CENTRAL IOWA…
GRUNDY COUNTY IN CENTRAL IOWA…
TAMA COUNTY IN CENTRAL IOWA…

* UNTIL 330 AM CDT WEDNESDAY

* AT 922 PM CDT…NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. RAINFALL RATES OF 1 TO 2 INCHES PER HOUR CAN BE EXPECTED WITHIN THE WARNED AREA.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE…WATERLOO…ALLISON…APLINGTON…CEDAR FALLS…CLARKSVILLE…CONRAD…DENVER…DYSART…EVANSDALE…GREENE…GRUNDY CENTER…HUDSON…LA PORTE CITY…PARKERSBURG…REINBECK…SHELL ROCK…SUMNER…TAMA…TOLEDO…TRIPOLI AND WAVERLY.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

ADDITIONAL RAINFALL AMOUNTS OF UP TO 3 INCHES ARE POSSIBLE IN
THE WARNED AREA.

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.