BULLETIN – IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1013 PM CDT TUE MAY 1 2012

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…
NORTHEASTERN BUENA VISTA COUNTY IN NORTHWEST IOWA…
EASTERN CLAY COUNTY IN NORTHWEST IOWA…
EASTERN DICKINSON COUNTY IN NORTHWEST IOWA…

* UNTIL 1030 PM CDT

* AT 1013 PM CDT…NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
TRACKING A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED
ALONG A LINE EXTENDING FROM SUPERIOR TO 11 MILES EAST OF SPENCER TO
SIOUX RAPIDS…AND MOVING EAST AT 35 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR…
WEBB AROUND 1020 PM CDT…
MARATHON AROUND 1025 PM 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.