Upon further review: the National Weather Service has now confirmed 21 tornadoes touched down last week in Indiana. Most of those struck in eight adjoining southern Indiana counties, and this is a summary from the Weather Service there.
Cass, Jay, and Grant counties in northern Indiana were also hit by tornadoes. Get more details from the Weather Service’s North Webster Indiana office.
Three tornadoes were confirmed in Central Indiana. One tornado touched down in Vermillion County, then moved north and east into far southern Fountain county. The tornado was rated EF-2. Another EF-2 touch down south of Lafayette in Tippecanoe County. Another tornado touched down in Boone County, immediately to the west of Thorntown. The tornado was rated EF-1, and had a path length of one half mile and a width of 50 yards. You can read the NWS Indianapolis technical analysis, and review all the damage reports from that night by clicking here.
EF-1 tornadoes typically have winds of 86-110 mph, while EF-2 tornadoes have winds of 111-135 mph.
It wasn’t just rotating winds causing problems.
Straight Line Wind Damage:
*East of Thorntown near the intersection of State Road 47 and US Highway 52 (Boone County): Partial damage to a barn from straight line winds.
*Four miles southeast of Mulberry (Clinton County): Damage due to straight line winds.
*Buck Creek (Northeast Tippecanoe County): Damage due to straight line winds
*Crawfordsville (Montgomery County): Straight line wind damage; winds speeds estimated around 70 mph.
The storms were accompanied by a large area of 1-3 inch rainfall totals.