BULLETIN – IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
308 PM CDT WED SEP 22 2010

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…
NORTHWESTERN LYON COUNTY IN NORTHWEST IOWA…
SOUTHWESTERN NOBLES COUNTY IN SOUTHWEST MINNESOTA…
SOUTHERN ROCK COUNTY IN SOUTHWEST MINNESOTA…
NORTH CENTRAL LINCOLN COUNTY IN SOUTHEAST SOUTH DAKOTA…
SOUTHEASTERN MINNEHAHA COUNTY IN SOUTHEAST SOUTH DAKOTA…

* UNTIL 345 PM CDT

* AT 307 PM CDT…NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
TRACKING A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL. THIS STORM WAS LOCATED NEAR ROWENA…OR 6 MILES SOUTHEAST OF
SIOUX FALLS…AND MOVING EAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR…
VALLEY SPRINGS AROUND 320 PM CDT…
HILLS AND BEAVER CREEK AROUND 325 PM CDT…
LUVERNE AND BLUE MOUNDS STATE PARK AROUND 340 PM CDT…
ELLSWORTH AROUND 345 PM CDT…

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE STEEN
AND MAGNOLIA.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR…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.