BULLETIN – IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
447 PM CDT THU JUN 17 2010

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…
NORTHEASTERN CHEROKEE COUNTY IN NORTHWEST IOWA…
SOUTHWESTERN CLAY COUNTY IN NORTHWEST IOWA…
SOUTHEASTERN O’BRIEN COUNTY IN NORTHWEST IOWA…

* UNTIL 515 PM CDT

* AT 447 PM CDT…NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED NEAR LARRABEE…OR 24 MILES NORTHWEST OF STORM LAKE…AND MOVING NORTHEAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR…
SUTHERLAND AROUND 455 PM CDT…
ROYAL AROUND 515 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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT THURSDAY EVENING FOR NORTHWEST IOWA AND SOUTHWEST MINNESOTA AND NORTHEAST NEBRASKA AND SOUTHEAST SOUTH DAKOTA.