BULLETIN – IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
633 PM CDT SUN AUG 9 2009

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…
EASTERN JASPER COUNTY IN CENTRAL IOWA…
SOUTHEASTERN MARSHALL COUNTY IN CENTRAL IOWA…
POWESHIEK COUNTY IN CENTRAL IOWA…
SOUTHERN TAMA COUNTY IN CENTRAL IOWA…

* UNTIL 730 PM CDT

* AT 629 PM CDT…NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE HAIL…AND DAMAGING WINDS IN EXCESS OF 70 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 7 MILES WEST OF LAUREL TO 4 MILES WEST OF OAKLAND ACRES TO 4 MILES SOUTH OF SULLY…AND WERE MOVING EAST AT 40 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR…
GRINNELL AIRPORT BY 640 PM CDT…
FERGUSON…GRINNELL AND GILMAN BY 645 PM CDT…
MALCOM BY 655 PM CDT…
TAMA…TOLEDO AND BROOKLYN BY 705 PM CDT…
GUERNSEY BY 710 PM CDT…
CHELSEA BY 715 PM CDT…

THIS INCLUDES INTERSTATE 80 BETWEEN MILE MARKERS 174 AND 204.

THIS STORM HAS A HISTORY OF PRODUCING WIDESPREAD WIND DAMAGE ACROSS JASPER COUNTY. A STORM CHASER REPORTED 70 MPH WINDS NEAR PRAIRIE CITY AT 605 PM.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

YOU ARE IN DANGER IN THE PATH OF THIS STORM! GO TO A BASEMENT OR SMALL INTERIOR ROOM. EXTENSIVE DAMAGE IS LIKELY. EVACUATE MOBILE HOMES…AND SEEK SHELTER IN A STURDY BUILDING. WIDESPREAD DESTRUCTIVE WINDS CAN PRODUCE DAMAGE SIMILAR TO A TORNADO.