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

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

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

* UNTIL 515 PM CDT

* AT 439 PM CDT…NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
TRACKING A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING GOLF
BALL SIZE HAIL. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM ELLSWORTH TO HULL…AND MOVING EAST AT 35 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR…
LITTLE ROCK AROUND 445 PM CDT…
MATLOCK AROUND 450 PM CDT…
SIBLEY AROUND 455 PM CDT…
SHELDON AND ASHTON AROUND 500 PM CDT…
OCHEYEDAN AROUND 510 PM CDT…
SANBORN…HARRIS AND MELVIN AROUND 515 PM CDT…

THIS WARNING REPLACES THE PREVIOUS WARNING IN THE AREA.

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.