...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT FOR VIGO...NORTHEASTERN SULLIVAN AND SOUTHWESTERN CLAY COUNTIES... At 711 PM EDT, a severe thunderstorm was located near Terre Haute, moving south at 20 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Terre Haute, West Terre Haute, Shelburn, Prairieton, Farmersburg, Seelyville, Clay City, Staunton, Riley, Fontanet, Cory, Saline City, Pimento, North Terre Haute and Indiana State University. This includes Interstate 70 between mile markers 2 and 21. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Intense thunderstorm lines can produce brief tornadoes and widespread significant wind damage. Although a tornado is not immediately likely, it is best to move to an interior room on the lowest floor of a building. This storm may cause serious injury and significant property damage.