BULLETIN – IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
545 PM CDT THU MAY 12 2011

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…
IDA COUNTY IN NORTHWEST IOWA…
EASTERN WOODBURY COUNTY IN NORTHWEST IOWA…

* UNTIL 630 PM CDT

* AT 543 PM CDT…NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
TRACKING A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZED
HAIL. THIS STORM WAS LOCATED NEAR BATTLE CREEK…OR 10 MILES WEST
OF IDA GROVE…AND MOVING NORTHEAST AT 10 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR…
IDA GROVE AROUND 610 PM CDT…
HOLSTEIN AROUND 630 PM CDT…

PRECAUTIONARY/PREPAREDNESS ACTIONS…

THIS STORM HAS EXHIBITED SOME WEAK ROTATION. TORNADOES CAN DEVELOP
QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH ONE IS NOT IMMEDIATELY
LIKELY…IF A TORNADO IS SPOTTED…ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE…SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.