This is an additional warning to the warning that was set to expire at 1:45am.
BULLETIN – IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
144 AM CDT MON AUG 3 2009

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…
SOUTHWESTERN CHEROKEE COUNTY IN NORTHWEST IOWA
NORTHERN IDA COUNTY IN NORTHWEST IOWA
SOUTHEASTERN PLYMOUTH COUNTY IN NORTHWEST IOWA
NORTHEASTERN WOODBURY COUNTY IN NORTHWEST IOWA

* UNTIL 230 AM CDT

* AT 141 AM CDT…NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING PING PONG BALL SIZE HAIL…AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 4 MILES WEST OF KINGSLEY TO HOLSTEIN…AND WERE MOVING SOUTHEAST AT 20 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR…
GALVA AROUND 155 AM CDT…
CUSHING…CORRECTIONVILLE AROUND 200 AM CDT…
CORRECTIONVILLE AROUND 205 AM CDT…
ANTHON AROUND 220 AM CDT…
IDA GROVE AROUND 230 AM CDT…

PRECAUTIONARY/PREPAREDNESS ACTIONS…

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MPH…DESTRUCTIVE HAIL…DEADLY LIGHTNING…AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

THIS STORM HAS A HISTORY OF LARGE DAMAGING HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS!

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 300 AM CDT MONDAY MORNING FOR NORTHWEST IOWA AND NORTHEAST NEBRASKA AND SOUTHEAST SOUTH DAKOTA.