BULLETIN – IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1044 PM CDT FRI JUN 25 2010

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

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

* UNTIL 1130 PM CDT

* AT 1044 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 11 MILES SOUTH OF TERRIL TO ROYAL…AND MOVING SOUTH AT 25 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR…
ROYAL AROUND 1050 PM CDT…
GREENVILLE AROUND 1100 PM CDT…
WEBB AND PETERSON AROUND 1110 PM CDT…
LINN GROVE AROUND 1115 PM CDT…
SIOUX RAPIDS AROUND 1120 PM CDT…
MARATHON AROUND 1125 PM CDT…

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

PRECAUTIONARY/PREPAREDNESS ACTIONS…

THESE STORMS HAVE EXHIBITED SOME WEAK ROTATION. TORNADOES CAN DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH ONE IS 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.

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.