BULLETIN – IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
816 PM CDT SAT JUN 26 2010

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…
SOUTHWESTERN SIOUX COUNTY IN NORTHWEST IOWA…
SOUTHEASTERN LINCOLN COUNTY IN SOUTHEAST SOUTH DAKOTA…
NORTHERN UNION COUNTY IN SOUTHEAST SOUTH DAKOTA…

* UNTIL 830 PM CDT

* AT 816 PM CDT…NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING A SEVERE THUNDERSTORM CAPABLE OF PRODUCING HALF DOLLAR SIZE HAIL…AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR BERESFORD…AND MOVING NORTHEAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR…
HAWARDEN AROUND 825 PM CDT…
NEWTON HILLS STATE PARK AROUND 830 PM CDT…

THIS EXTENDS THE PREVIOUS WARNING FOR UNION AND LINCOLN COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY LIKELY…IF A TORNADO IS SPOTTED…ACT QUICKLY AND MOVE TO A PLACE OF SAFETY INSIDE A STURDY STRUCTURE…SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.