BULLETIN – IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1230 AM CDT TUE AUG 23 2011

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…
NORTHWESTERN DICKINSON COUNTY IN NORTHWEST IOWA…
NORTHEASTERN LYON COUNTY IN NORTHWEST IOWA…
NORTHERN OSCEOLA COUNTY IN NORTHWEST IOWA…
SOUTHWESTERN JACKSON COUNTY IN SOUTHWEST MINNESOTA…
SOUTHERN NOBLES COUNTY IN SOUTHWEST MINNESOTA…

* UNTIL 115 AM CDT

* AT 1230 AM CDT…NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING A SEVERE THUNDERSTORM CAPABLE OF PRODUCING WALNUT SIZE HAIL…AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH. THIS STORM WAS LOCATED 5 MILES NORTHEAST OF ELLSWORTH…OR 15 MILES NORTHEAST OF ROCK RAPIDS…AND MOVING EAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR…
RUSHMORE AROUND 1235 AM CDT…
SIBLEY AND WORTHINGTON AROUND 1245 AM CDT…
OCHEYEDAN AROUND 1255 AM CDT…
ROUND LAKE AROUND 100 AM CDT…
HARRIS AROUND 105 AM CDT…
LAKE PARK AROUND 110 AM CDT…

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE BIGELOW.

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.