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

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…
WESTERN CLAY COUNTY IN NORTHWEST IOWA…
SOUTHWESTERN DICKINSON COUNTY IN NORTHWEST IOWA…
O’BRIEN COUNTY IN NORTHWEST IOWA…
SOUTHERN OSCEOLA COUNTY IN NORTHWEST IOWA…

* UNTIL 545 PM CDT

* AT 511 PM CDT…NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
TRACKING A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING GOLF
BALL SIZE HAIL…AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH. THESE
STORMS WERE LOCATED ALONG A LINE EXTENDING FROM SIBLEY TO ARCHER…
AND MOVING SOUTHEAST AT 40 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR…
PRIMGHAR AROUND 520 PM CDT…
HARTLEY AROUND 530 PM CDT…
WEST OKOBOJI AND EVERLY AROUND 540 PM CDT…
ROYAL AROUND 545 PM CDT…

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
MONETA.

THIS EXTENDS THE PREVIOUS WARNING FOR A PART OF 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.