BULLETIN – EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
1133 PM CDT TUE AUG 10 2010

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

* FLASH FLOOD WARNING FOR…
MAHASKA COUNTY IN SOUTH CENTRAL IOWA…
MARION COUNTY IN SOUTH CENTRAL IOWA…
NORTHEASTERN WARREN COUNTY IN SOUTH CENTRAL IOWA…

* UNTIL 530 AM CDT

* AT 1132 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 PER HOURS CAN BE EXPECTED THROUGH AT LEAST 1 AM CDT.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE…CARLISLE…INDIANOLA…KNOXVILLE…NEW SHARON…NORWALK…OSKALOOSA…PELLA AND PLEASANTVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

RAINFALL AMOUNTS OF 2 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.