BULLETIN – EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
1135 PM CDT WED MAY 12 2010

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

* FLASH FLOOD WARNING FOR…
APPANOOSE COUNTY IN SOUTH CENTRAL IOWA…
DAVIS COUNTY IN SOUTHEAST IOWA…
WAPELLO COUNTY IN SOUTHEAST IOWA…

* UNTIL 530 AM CDT

* AT 1134 PM CDT…NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF THUNDERSTORMS WITH VERY HEAVY RAINFALL MOVING NORTHEASTWARD ACROSS THE WARNED AREA. RAINFALL AMOUNTS HAVE GENERALLY BEEN AROUND ONE HALF TO THREE QUARTERS OF AN INCH IN THE PAST HOUR.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE…OTTUMWA…BLOOMFIELD…CENTERVILLE AND ELDON.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

ADDITIONAL RAINFALL AMOUNTS OF ONE TO TWO INCHES ARE POSSIBLE IN THE WARNED AREA THROUGH THE EARLY MORNING HOURS.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS…COUNTRY ROADS…AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS.

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.