BULLETIN – IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
941 PM CDT TUE MAY 1 2012

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…
NORTHERN BUENA VISTA COUNTY IN NORTHWEST IOWA…
NORTHEASTERN CHEROKEE COUNTY IN NORTHWEST IOWA…
CLAY COUNTY IN NORTHWEST IOWA…
DICKINSON COUNTY IN NORTHWEST IOWA…
EASTERN O’BRIEN COUNTY IN NORTHWEST IOWA…
EASTERN OSCEOLA COUNTY IN NORTHWEST IOWA…

* UNTIL 1015 PM CDT

* AT 942 PM CDT…NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
TRACKING A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
DESTRUCTIVE WINDS IN EXCESS OF 70 MPH. THESE STORMS WERE LOCATED
ALONG A LINE EXTENDING FROM LAKE PARK TO EVERLY TO LARRABEE…AND
MOVING EAST AT 40 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR…
ROYAL…FOSTORIA…WEST OKOBOJI AND WAHPETON AROUND 950 PM CDT…
MILFORD…SPENCER…PETERSON AND SPIRIT LAKE AROUND 955 PM CDT…
GREENVILLE AROUND 1000 PM CDT…
LINN GROVE AND TERRIL AROUND 1005 PM CDT…
SIOUX RAPIDS AND SUPERIOR AROUND 1010 PM CDT…
WEBB AND MARATHON AROUND 1015 PM CDT…

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
ROSSIE…DICKENS…REMBRANDT AND GILLETT GROVE.

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.