Thunderstorms developed during the afternoon in a high wind shear environment ahead of a strengthening low pressure system. Many of these storms became severe, with large hail, damaging thunderstorm winds, and tornadoes all being the main threats.

Hail in CLERMONT, OHIO
From 02-MAR-12 16:44:00 to 02-MAR-12 16:48:00 (EST-5)
Location: NEW RICHMOND
Magnitude: 1.50 
Reported by: Public

Hail in BROWN, OHIO
From 02-MAR-12 17:13:00 to 02-MAR-12 17:17:00 (EST-5)
Location: SARDINIA
Magnitude: 0.75 
Reported by: Amateur Radio

Hail in DARKE, OHIO
From 02-MAR-12 15:50:00 to 02-MAR-12 15:54:00 (EST-5)
Location: PALESTINE
Magnitude: 0.88 
Reported by: Emergency Manager

Hail in CLERMONT, OHIO
From 02-MAR-12 16:58:00 to 02-MAR-12 17:02:00 (EST-5)
Location: BETHEL
Magnitude: 1.25 
Reported by: Trained Spotter

Hail in BROWN, OHIO
From 02-MAR-12 17:04:00 to 02-MAR-12 17:08:00 (EST-5)
Location: LOCUST RIDGE
Magnitude: 1.00 
Reported by: Amateur Radio

Thunderstorm Wind in BROWN, OHIO
From 02-MAR-12 17:10:00 to 02-MAR-12 17:14:00 (EST-5)
Location: SARDINIA
Magnitude: 60.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Numerous trees were reported down due to damaging thunderstorm winds.

Hail in DARKE, OHIO
From 02-MAR-12 15:50:00 to 02-MAR-12 15:54:00 (EST-5)
Location: HOLLANSBURG
Magnitude: 1.00 
Reported by: Amateur Radio

Thunderstorm Wind in ADAMS, OHIO
From 02-MAR-12 17:30:00 to 02-MAR-12 17:34:00 (EST-5)
Location: MANCHESTER
Magnitude: 60.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A roof was torn off a house due to damaging thunderstorm winds.

Hail in CLERMONT, OHIO
From 02-MAR-12 16:40:00 to 02-MAR-12 16:44:00 (EST-5)
Location: NEW RICHMOND
Magnitude: 0.88 
Reported by: Public

Hail in DARKE, OHIO
From 02-MAR-12 16:14:00 to 02-MAR-12 16:18:00 (EST-5)
Location: ARCANUM
Magnitude: 0.75 
Reported by: Public

Hail in BROWN, OHIO
From 02-MAR-12 17:01:00 to 02-MAR-12 17:05:00 (EST-5)
Location: MT ORAB
Magnitude: 0.75 
Reported by: Trained Spotter

Thunderstorm Wind in ADAMS, OHIO
From 02-MAR-12 17:40:00 to 02-MAR-12 17:41:00 (EST-5)
Location: PEEBLES
Magnitude: 61.00 EG
Reported by: Amateur Radio

The observer estimated the wind gust.

Tornado in PIKE, OHIO
From 02-MAR-12 17:53:00 to 02-MAR-12 17:55:00 (EST-5)
Location: CAMP
Tornado F-scale: EF0
Property damage: 25.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

The tornado touched down on the south side of Wynn Road and then followed the road. The tornado eventually crossed the road and lifted near Highway 104 southwest of Piketon. The damage from this tornado consisted of numerous large trees snapped off, uprooted, and lying in a convergent pattern toward the center of the most enhanced core of tree damage. One large tree landed on a mobile home, causing heavy structural damage. An eyewitness observed the tornado which corroborates the damage path. Based on the damage surveyed, the maximum estimated wind speed of this tornado was 75 miles per hour.

Tornado in BROWN, OHIO
From 02-MAR-12 16:58:00 to 02-MAR-12 17:02:00 (EST-5)
Location: MAPLE
Tornado F-scale: EF1
Property damage: 500.00K
Reported by: NWS Storm Survey

The tornado initially touched down in south central Campbell County at 1639 EST near Peach Grove Road and crossed Fisher Road northwest of Peach Grove. The tornado then crossed into Pendleton County at 1641 EST after producing high end EF3 damage along Reid Ridge Road near the Campbell and Pendleton County line. The tornado then moved across Mays Road producing significant and widespread EF2 to low end EF3 damage. The tornado then crossed AA highway and eventually the Ohio River, after crossing Kentucky Highway 8. Based on the damage surveyed, the maximum wind speed of the tornado was estimated to be 160 miles per hour in Campbell County and 140 miles per hour in Pendleton County. The tornado traveled a total of 2.68 miles in Campbell County, and 4 miles in Pendleton County. The tornado then moved into Clermont County Ohio at 1646 EST, where it hit the town of Moscow, causing EF3 damage. The tornado continued on the ground across Clermont County, crossing into Brown County at 1658 EST. The tornado then lifted south of Hamersville in western Brown County at 1702 EST. This tornado caused extensive damage to structures and trees along its entire path on both sides of the Ohio River. Numerous homes were very heavily damaged or destroyed. Many homes lost their roofs, having complete exterior wall failure. Some modular homes were completely removed from their foundations, lifted, and thrown in excess of 100 yards where they were destroyed. The damage in Ohio from this tornado was consistent with maximum winds estimated at 160 miles per hour in Clermont County, and 100 miles per hour in Brown County. The tornado traveled a total of 11.04 miles in Clermont County, and 2.69 miles in Brown County.

Tornado in SCIOTO, OHIO
From 02-MAR-12 17:46:00 to 02-MAR-12 17:47:00 (EST-5)
Location: MT JOY
Tornado F-scale: EF0
Property damage: 10.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

The tornado touched down near Highway 772 and Left Fork Road in extreme northwest Scioto County at 1746 EST, and traveled almost .2 miles before crossing into Pike County at 1747 EST. The path width of the tornado while in Scioto County was around 100 yards. The tornado progressed east northeast along and to the north of Camp Creek Road for nearly 4 miles in Pike County, before lifting at 1750 EST. While on the ground in Pike County, the path width of the tornado expanded to around 200 yards. Damage along the path of the tornado was primarily to trees, with numerous trees snapped and uprooted. A mobile home on Camp Creek Road was damaged with portions of the roof removed, causing an exterior wall to collapse. The resident of that home reported seeing a tornado on the ground approaching the home. Due to heavily forested terrain in this area, the path length and width are approximated as best as possible from accessible roads. Based on the damage surveyed, the maximum estimated wind speed of this tornado was 80 miles per hour in both Scioto and Pike Counties.

Tornado in PIKE, OHIO
From 02-MAR-12 17:47:00 to 02-MAR-12 17:50:00 (EST-5)
Location: LADD
Tornado F-scale: EF0
Property damage: 25.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

The tornado touched down near Highway 772 and Left Fork Road in extreme northwest Scioto County at 1746 EST, and traveled almost .2 miles before crossing into Pike County at 1747 EST. The path width of the tornado while in Scioto County was around 100 yards. The tornado progressed east northeast along and to the north of Camp Creek Road for nearly 4 miles in Pike County, before lifting at 1750 EST. While on the ground in Pike County, the path width of the tornado expanded to around 200 yards. Damage along the path of the tornado was primarily to trees, with numerous trees snapped and uprooted. A mobile home on Camp Creek Road was damaged with portions of the roof removed, causing an exterior wall to collapse. The resident of that home reported seeing a tornado on the ground approaching the home. Due to heavily forested terrain in this area, the path length and width are approximated as best as possible from accessible roads. Based on the damage surveyed, the maximum estimated wind speed of this tornado was 80 miles per hour in both Scioto and Pike Counties.

Tornado in ADAMS, OHIO
From 02-MAR-12 17:30:00 to 02-MAR-12 17:31:00 (EST-5)
Location: BENTONVILLE
Tornado F-scale: EF0
Property damage: 30.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

The tornado briefly touched down, causing extensive damage to a barn. Some of the wooden debris from this barn was driven into the ground. Numerous trees in a nearby grove were snapped. Based on the damage surveyed, the maximum estimated wind speed of this tornado was 75 miles per hour.

Tornado in ADAMS, OHIO
From 02-MAR-12 17:25:00 to 02-MAR-12 17:28:00 (EST-5)
Location: SEAMAN
Tornado F-scale: EF1
Property damage: 200.00K
Reported by: NWS Storm Survey

The tornado touched down in an open field west of Greenlee Road, about 1.2 miles northwest of Seaman. The first notable signs of damage occurred to a nearby pole barn, which partially collapsed. The tornado then moved just north of due east, snapping and uprooting numerous trees and large branches along Greenlee Road. There, some of the tin building material from the aforementioned barn was deposited. Additional tree damage continued into a grove along Mount Leigh Road. The tornado then crossed State Route 247 north of its intersection with Mount Leigh Road, about one mile north of Seaman. On the east side of the highway, a roof was partially removed from a single story home. Directly behind this home, two pole barns sustained heavy damage. Farther east, an aerial survey revealed continuous heavy tree damage along West Fork Ohio Brush Creek. The tornado caused destruction of outbuildings and roof damage to a single story home on State Route 770, just west of its intersection with Old State Route 32. The tornado then lifted. Based on the damage surveyed, the maximum estimated wind speed of this tornado was 100 mph.

Tornado in ADAMS, OHIO
From 02-MAR-12 17:33:00 to 02-MAR-12 17:43:00 (EST-5)
Location: WEST UNION
Tornado F-scale: EF2
Property damage: 2.00M
Crop damage: 25.00K
Reported by: NWS Storm Survey

The tornado touched down just east of Highway 41, about 2 miles northeast of West Union. The tornado then traveled east northeast for just over 11 miles, destroying at least 5 mobile homes. Two homes were also damaged. One of these homes was built of brick. A 99 year old woman was in her mobile home in Tiffin Township when the tornado struck. She was injured from this tornado and passed away several days later. Two others were also injured from this tornado. A dozen cattle were killed and major power transmission poles were knocked over. Numerous trees were snapped or uprooted. Based on the damage surveyed, the maximum estimated wind speed of this tornado was 125 miles per hour.

Thunderstorm Wind in BROWN, OHIO
From 02-MAR-12 17:16:00 to 02-MAR-12 17:20:00 (EST-5)
Location: MACON
Magnitude: 65.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Numerous trees and powers poles were reported down and a camper trailer was flipped. Fences were blown down in the area and an old barn collapsed. Based on the survey, this damage was determined to be caused by straight-line non-tornadic winds estimated at 75 miles per hour.

Tornado in SCIOTO, OHIO
From 02-MAR-12 17:46:00 to 02-MAR-12 17:48:00 (EST-5)
Location: OTWAY
Tornado F-scale: EF0
Property damage: 170.00K
Crop damage: 10.00K
Reported by: NWS Storm Survey

The tornado touched down along Rocky Fork Road, about 2 miles southwest of Otway. The tornado snapped and uprooted numerous trees in groves as it moved northeast along Rocky Fork Road and Highway 348. The tornado then lifted just as it hit the town of Otway, where it damaged two homes and heavily damaged a fire station. Based on the damage surveyed, the maximum estimated wind speed of this tornado was 75 miles per hour.

Tornado in CLERMONT, OHIO
From 02-MAR-12 16:46:00 to 02-MAR-12 16:58:00 (EST-5)
Location: MOSCOW
Tornado F-scale: EF3
Property damage: 5.66M
Reported by: NWS Storm Survey

The tornado initially touched down in south central Campbell County at 1639 EST near Peach Grove Road and crossed Fisher Road northwest of Peach Grove. The tornado then crossed into Pendleton County at 1641 EST after producing high end EF3 damage along Reid Ridge Road near the Campbell and Pendleton County line. The tornado then moved across Mays Road producing significant and widespread EF2 to low end EF3 damage. The tornado then crossed AA highway and eventually the Ohio River, after crossing Kentucky Highway 8. Based on the damage surveyed, the maximum wind speed of the tornado was estimated to be 160 miles per hour in Campbell County and 140 miles per hour in Pendleton County. The tornado traveled a total of 2.68 miles in Campbell County, and 4 miles in Pendleton County. The tornado then moved into Clermont County Ohio at 1646 EST, where it hit the town of Moscow, causing EF3 damage. The tornado continued on the ground across Clermont County, crossing into Brown County at 1658 EST. The tornado then lifted south of Hamersville in western Brown County at 1702 EST. This tornado caused extensive damage to structures and trees along its entire path on both sides of the Ohio River. Numerous homes were very heavily damaged or destroyed. Many homes lost their roofs, having complete exterior wall failure. Some modular homes were completely removed from their foundations, lifted, and thrown in excess of 100 yards where they were destroyed. The damage in Ohio from this tornado was consistent with maximum winds estimated at 160 miles per hour in Clermont County, and 100 miles per hour in Brown County. The tornado traveled a total of 11.04 miles in Clermont County, and 2.69 miles in Brown County.