BULLETIN – IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
258 AM CDT FRI JUN 11 2010
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR…
LYON COUNTY IN NORTHWEST IOWA…
WESTERN O’BRIEN COUNTY IN NORTHWEST IOWA…
SIOUX COUNTY IN NORTHWEST IOWA…
SOUTHWESTERN NOBLES COUNTY IN SOUTHWEST MINNESOTA…
ROCK COUNTY IN SOUTHWEST MINNESOTA…
EASTERN LINCOLN COUNTY IN SOUTHEAST SOUTH DAKOTA…
EASTERN MINNEHAHA COUNTY IN SOUTHEAST SOUTH DAKOTA…
* UNTIL 345 AM CDT
* AT 258 AM 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 DELL RAPIDS TO 5 MILES NORTHWEST OF IRETON…AND MOVING EAST AT 30 MPH.
* SEVERE THUNDERSTORMS WILL BE NEAR…
LARCHWOOD AROUND 305 AM CDT…
ROCK VALLEY…VALLEY SPRINGS…PALISADES STATE PARK AND GARRETSON AROUND 310 AM CDT…
SIOUX CENTER…MAURICE…LESTER AND ALVORD AROUND 315 AM CDT…
DOON AND BEAVER CREEK AROUND 320 AM CDT…
ORANGE CITY AND HULL AROUND 325 AM CDT…
ROCK RAPIDS AND ALTON AROUND 330 AM CDT…
BOYDEN…LUVERNE AND BLUE MOUNDS STATE PARK AROUND 340 AM CDT…
GEORGE AND HARDWICK AROUND 345 AM CDT…
OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE STEEN AND MAGNOLIA.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
THIS STORM HAS A HISTORY OF PRODUCING DAMAGING WIND. THIS IS AN EXTREMELY DANGEROUS SITUATION. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
THIS IS AN EXTREMELY DANGEROUS SITUATION WITH TORNADO LIKE WIND SPEEDS EXPECTED. MOBILE HOMES AND HIGH PROFILE VEHICLES ARE ESPECIALLY SUSCEPTIBLE TO WINDS OF THIS MAGNITUDE AND MAY BE OVERTURNED. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. THESE STORMS HAVE THE POTENTIAL TO CAUSE SERIOUS INJURY AND SIGNIFICANT DAMAGE TO PROPERTY.
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS…AND MAY LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.