BULLETIN – IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
635 PM CDT SUN MAY 27 2012

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…
NORTHWESTERN LYON COUNTY IN NORTHWEST IOWA…
WESTERN ROCK COUNTY IN SOUTHWEST MINNESOTA…
NORTH CENTRAL LINCOLN COUNTY IN SOUTHEAST SOUTH DAKOTA…
EASTERN MINNEHAHA COUNTY IN SOUTHEAST SOUTH DAKOTA…

* UNTIL 715 PM CDT

* AT 635 PM CDT…NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
TRACKING A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL…AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR ROWENA…OR 10 MILES SOUTHEAST OF SIOUX FALLS…AND
MOVING NORTH AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR…
BRANDON…VALLEY SPRINGS AND BEAVER CREEK AROUND 645 PM CDT…
PALISADES STATE PARK AND GARRETSON AROUND 655 PM CDT…
SHERMAN AROUND 700 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.