A surface cyclone accelerated northeast from the southern Plains through central Missouri and the Ohio Valley. An associated warm front lifted northward through the Mid-Mississippi and Lower Ohio Valleys in advance of the surface low. A cold front trailing south from the low surged eastward toward the Lower Mississippi Valley. Lines and clusters of severe storms tracked rapidly eastward, along with a couple of tornadic supercells.

Tornado in GIBSON, INDIANA
From 28-FEB-11 01:36:00 to 28-FEB-11 02:04:00 (CST-6)
Location: OWENSVILLE
Tornado F-scale: EF1
Property damage: 150.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Near Owensville, a mobile home was shifted off its foundation and a garage was moved about two feet and destroyed. About a half-dozen homes sustained mainly shingle damage. Numerous large trees were blown down. Further east along the damage path, a house lost about one-quarter of its roof, including plywood. In the Somerville area, a couple barns were partially unroofed, shingles were off a house and church, and over a dozen trees were snapped or uprooted. Peak winds were estimated near 105 mph. The average path width was 175 yards.

Tornado in PIKE, INDIANA
From 28-FEB-11 03:01:00 to 28-FEB-11 03:09:00 (EST-5)
Location: LITTLE
Tornado F-scale: EF2
Property damage: 250.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

The tornado entered Pike County from Gibson County about 1.5 miles east of Oakland City. Damage was primarily to trees in this rural area. Hundreds of large trees were snapped off or uprooted, and barn roofs were blown off. A garage was demolished near Arthur. The most intense damage occurred two miles east of Arthur, where peak winds were estimated near 115 mph. Average path width was 300 yards.

Tornado in GIBSON, INDIANA
From 28-FEB-11 01:51:00 to 28-FEB-11 02:01:00 (CST-6)
Location: PRINCETON
Tornado F-scale: EF2
Property damage: 350.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Near the start of the damage path near Princeton, several trees were uprooted and an antenna was blown down by winds near 85 mph. Four miles east of Princeton off Indiana Highway 64, shingles were off two homes and another antenna was down. The tornado reached its peak intensity in Oakland City, where two houses were deemed total losses and several others were heavily damaged. Windows were blown out. A funnel cloud was sighted by a trained spotter. Peak wind was 115 mph. Average path width was 300 yards. The tornado crossed into Pike County just east of Oakland City.

Hail in POSEY, INDIANA
From 28-FEB-11 01:54:00 to 28-FEB-11 01:54:00 (CST-6)
Location: STEWARTSVILLE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in GIBSON, INDIANA
From 28-FEB-11 01:55:00 to 28-FEB-11 01:55:00 (CST-6)
Location: OWENSVILLE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in POSEY, INDIANA
From 28-FEB-11 02:03:00 to 28-FEB-11 02:03:00 (CST-6)
Location: STEWARTSVILLE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Tornado in PIKE, INDIANA
From 28-FEB-11 03:10:00 to 28-FEB-11 03:14:00 (EST-5)
Location: OTWELL
Tornado F-scale: EF0
Property damage: 150.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A few homes had partial roof loss. Several homes sustained shingle damage. The roof was blown off a two-car garage and a large farm shed. About a dozen trees were down or damaged. The average path width was 150 yards. Peak wind was estimated about 85 mph.