Flooding

Flash Flood Warning (Carroll, Crawford, Calhoun and Sac) until 9am

BULLETIN – EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
256 AM CDT SUN JUN 27 2010

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

* FLASH FLOOD WARNING FOR…
CARROLL COUNTY IN WEST CENTRAL IOWA…
CRAWFORD COUNTY IN WEST CENTRAL IOWA…
SOUTHERN CALHOUN COUNTY IN WEST CENTRAL IOWA…
SOUTHERN SAC COUNTY IN WEST CENTRAL IOWA…

* UNTIL 900 AM CDT

* AT 255 AM CDT…NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. RADAR ESTIMATES INDICATED THAT ONE TO THREE INCHES OF RAIN HAS ALREADY FALLEN IN THE WARNING AREA…WITH ADDITIONAL AMOUNTS IN EXCESS OF AN INCH POSSIBLE…ESPECIALLY OVER CARROLL COUNTY.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE…CARROLL…COON RAPIDS…DENISON…GLIDDEN…LAKE CITY…LAKE VIEW…MANILLA…MANNING AND ODEBOLT.

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.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. TURN AROUND…DONT DROWN.

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.