February 29, 2012 Grayson County EF-2
Wind Speed: 135 MPH
Path Length: 2 miles
Path Width: 200 yards
Estimated touchdown/ending time: 9:42 AM CST - 9:47 AM CST
The tornado began as a narrow tornado east of Clarkson just south of Highway 224. The storm increased in width to 200 yards and struck several single and double wide mobile homes south of Millerstown Road. All three mobile homes became airborne, with one traveling over 400 yards. One manufactured home, with a man inside, was thrown 50 feet into a tree and fence. The victim was medically airlifted to Louisville. The tornado next struck a large area of softwood and hardwood trees before striking a solid brick home just west of Horntown with the roof removed and exterior walls either damaged or destroyed. The tornado damaged the Horntown convenience store damaging the roof. During the end of the tornado's life cycle it narrowed and bounced striking several trees and knocking over several cemetery headstones, plus it uprooted 2 large trees at the Little Clifty United Methodist Church just west of Lacon. The tornado lifted in a grove of trees about 250 yards east of the church.
Photos of the damage in Grayson County from the official NWS storm survey: