BULLETIN – IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1205 AM CDT TUE AUG 23 2011

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…
SOUTHEASTERN LYON COUNTY IN NORTHWEST IOWA…
NORTHERN O’BRIEN COUNTY IN NORTHWEST IOWA…
SOUTHERN OSCEOLA COUNTY IN NORTHWEST IOWA…
NORTHEASTERN SIOUX COUNTY IN NORTHWEST IOWA…

* UNTIL 1245 AM CDT

* AT 1205 AM CDT…NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING A SEVERE THUNDERSTORM CAPABLE OF PRODUCING WALNUT SIZE HAIL…AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 5 MILES SOUTHWEST OF GEORGE…OR 11 MILES SOUTHEAST OF ROCK RAPIDS…AND MOVING EAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR…
MATLOCK AND BOYDEN AROUND 1210 AM CDT…
ASHTON AND SHELDON AROUND 1220 AM CDT…
MELVIN AND SANBORN AROUND 1235 AM CDT…
HARTLEY AROUND 1245 AM CDT…

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.