A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 AM EDT FOR NORTHEASTERN VIGO...NORTHWESTERN CLAY...PARKE AND SOUTHEASTERN VERMILLION COUNTIES... At 806 AM EDT, a severe thunderstorm was located 10 miles east of Rockville, or 19 miles south of Crawfordsville, moving east at 55 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. This severe thunderstorm will remain over mainly rural areas of northeastern Vigo, northwestern Clay, Parke and southeastern Vermillion Counties. This includes Interstate 70 between mile markers 20 and 28. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Continuous cloud to ground lightning is occurring with this storm. Move indoors immediately. Lightning is one of nature`s leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.