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

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

* FLASH FLOOD WARNING FOR…
NORTHEASTERN JASPER COUNTY IN CENTRAL IOWA…
POWESHIEK COUNTY IN CENTRAL IOWA…
SOUTHEASTERN MARSHALL COUNTY IN CENTRAL IOWA…
SOUTHERN TAMA COUNTY IN CENTRAL IOWA…

* UNTIL 930 AM CDT

* AT 328 AM CDT…NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SLOW MOVING THUNDERSTORMS WITH INTENSE RAINFALL ACROSS THE WARNED AREA. THESE STORMS ARE CAPABLE OF PRODUCING 2 TO 3 INCHES OF RAIN IN AN HOUR.

* FLASH FLOODING IS MOST LIKELY IN TOWNS AND CITIES…BUT IS ALSO POSSIBLE IN RURAL AREAS. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE…BROOKLYN…GRINNELL…MONTEZUMA…TAMA AND TOLEDO.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS…URBAN AREAS…HIGHWAYS…STREETS AND UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

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.