A historically deep low pressure system sent a very strong cold front into a marginally unstable, but very sheared environment.  A line of storms formed west of the area overnight and moved into the region during the peak heating hours of the day.  Severe wind gusts occurred along the entire line with multiple tornadoes occurring around the region as well.

Thunderstorm Wind in BUTLER, OHIO
From 26-OCT-10 10:55:00 to 26-OCT-10 11:00:00 (EST-5)
Location: OKEANA
Magnitude: 60.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Public

Trees were reported down due to damaging thunderstorm winds.

Thunderstorm Wind in MONTGOMERY, OHIO
From 26-OCT-10 11:27:00 to 26-OCT-10 11:28:00 (EST-5)
Location: ENGLEWOOD
Magnitude: 52.00 EG
Reported by: Trained Spotter

A trained spotter estimated the wind gust.

Thunderstorm Wind in MONTGOMERY, OHIO
From 26-OCT-10 11:24:00 to 26-OCT-10 11:25:00 (EST-5)
Location: (DAY)COX DAYTON INTL
Magnitude: 54.00 MG
Reported by: ASOS

Tornado in PREBLE, OHIO
From 26-OCT-10 10:40:00 to 26-OCT-10 10:41:00 (EST-5)
Location: EL DORADO
Tornado F-scale: EF0
Property damage: 2.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

The tornado touched down in Preble County at 1040 EST and continued into Darke County at 1041 EST before lifting at 1048 EST.  The path width was 30 yards.  The tornado traveled for 0.29 miles in Preble County and then 4.06 miles in Darke County.  The damage was consistent with winds around 80 miles per hour in Preble County and 90 miles per hour in Darke County.  The tornado was rated an EF0 in Preble County and an EF1 in Darke County.  The tornado touched down initially in open farm land north of Eldorado-Whitewater Road.  In this area, some farm fences were covered with corn debris.  Minor tree damage was also found in this area.  The tornado likely lifted for a brief time before touching down in Darke County west of Highway 726, destroying a barn.  The tornado continued across Highway 726 where it hit a residence on Preble County-Butler-Township Road.  At this location, outbuildings were destroyed and significant tree damage occurred.  The tornado continued across farm fields until glancing another residence along Highway 722 where tree damage and minor outbuilding damage occurred.  Several utility poles were also snapped in half.  The tornado then continued northeast and hit a residence on Emrick Road where the most significant damage occurred.  Windows were broken in the house, there was significant outbuilding damage, and several large and healthy trees were snapped off and uprooted.  More damage was found to a residence on Otterbein-Ithaca Road near United States Highway 127.  Here, a barn was partially collapsed and several trees were snapped.  Roofing material was also removed from the house.

Thunderstorm Wind in MERCER, OHIO
From 26-OCT-10 10:40:00 to 26-OCT-10 10:44:00 (EST-5)
Location: CELINA
Magnitude: 60.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Numerous trees were reported down due to damaging thunderstorm winds.

Thunderstorm Wind in DARKE, OHIO
From 26-OCT-10 10:40:00 to 26-OCT-10 10:44:00 (EST-5)
Location: CASTINE
Magnitude: 60.00 EG
Property damage: 85.00K
Crop damage: 0.00K
Reported by: County Official

Structural damage occurred to a barn and a house due to damaging thunderstorm winds.  Twenty-five power poles were also reported down around the area due to the thunderstorm winds.

Tornado in DARKE, OHIO
From 26-OCT-10 10:41:00 to 26-OCT-10 10:48:00 (EST-5)
Location: BRAFFETTSVILLE
Tornado F-scale: EF1
Property damage: 75.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

The tornado touched down in Preble County at 1040 EST and continued into Darke County at 1041 EST before lifting at 1048 EST.  The path width was 30 yards.  The tornado traveled for 0.29 miles in Preble County and then 4.06 miles in Darke County.  The damage was consistent with winds around 80 miles per hour in Preble County and 90 miles per hour in Darke County.  The tornado was rated an EF0 in Preble County and an EF1 in Darke County.  The tornado touched down initially in open farm land north of Eldorado-Whitewater Road.  In this area, some farm fences were covered with corn debris.  Minor tree damage was also found in this area.  The tornado likely lifted for a brief time before touching down in Darke County west of Highway 726, destroying a barn.  The tornado continued across Highway 726 where it hit a residence on Preble County-Butler-Township Road.  At this location, outbuildings were destroyed and significant tree damage occurred.  The tornado continued across farm fields until glancing another residence along Highway 722 where tree damage and minor outbuilding damage occurred.  Several utility poles were also snapped in half.  The tornado then continued northeast and hit a residence on Emrick Road where the most significant damage occurred.  Windows were broken in the house, there was significant outbuilding damage, and several large and healthy trees were snapped off and uprooted.  More damage was found to a residence on Otterbein-Ithaca Road near United States Highway 127.  Here, a barn was partially collapsed and several trees were snapped.  Roofing material was also removed from the house.

Thunderstorm Wind in DARKE, OHIO
From 26-OCT-10 10:59:00 to 26-OCT-10 11:04:00 (EST-5)
Location: GREENVILLE
Magnitude: 60.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: County Official

Several trees, power poles, and power lines were reported down across the southern half of the county.

Thunderstorm Wind in AUGLAIZE, OHIO
From 26-OCT-10 10:51:00 to 26-OCT-10 11:03:00 (EST-5)
Location: WAPAKONETA
Magnitude: 60.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees were reported down due to damaging thunderstorm winds.

Thunderstorm Wind in AUGLAIZE, OHIO
From 26-OCT-10 10:40:00 to 26-OCT-10 10:45:00 (EST-5)
Location: WAPAKONETA
Magnitude: 60.00 EG
Property damage: 6.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Power poles were snapped due to damaging thunderstorm winds.

Tornado in AUGLAIZE, OHIO
From 26-OCT-10 10:59:00 to 26-OCT-10 11:02:00 (EST-5)
Location: CRIDERSVILLE
Tornado F-scale: EF2
Property damage: 230.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

The tornado touched down in Auglaize County at 1059 EST and continued into Allen County at 1102 EST before lifting at 1103 EST.  The path width was 110 yards in Auglaize County and 20 yards in Allen County.  The tornado traveled for 2.53 miles in Auglaize County and then 1.39 miles in Allen County.  The damage was consistent with winds around 110 miles per hour in Auglaize County and 75 miles per hour in Allen County.  The tornado was rated an EF2 in Auglaize County and an EF0 in Allen County.  The tornado initially touched down southwest of Cridersville where the tornado destroyed a barn.  The tornado briefly lifted and then touched down in Cridersville.  Damage in Cridersville included roofs blown off of houses, a house shifted off of the foundation, a house with major structural damage, and a half collapsed brick gymnasium.  Objects were also impaled into the side of buildings.  The tornado again briefly lifted and then touched down again in Allen County near McClain Road, north of Hume Road.  At this location a quarter of a metal roof was pulled off of a metal barn.  Damage estimates in Auglaize County are 230,000 dollars and in Allen County damage estimates are 8,000 dollars.

Tornado in PICKAWAY, OHIO
From 26-OCT-10 12:52:00 to 26-OCT-10 12:53:00 (EST-5)
Location: DARBYVILLE
Tornado F-scale: EF0
Property damage: 75.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

The tornado touched down near Gullick Road where a small outbuilding was destroyed with debris strewn across Gullick Road and into adjacent fields.  The tornado then hit several barns and outbuildings on Matville Road where one building was destroyed and significant roofing was torn off of another.  The tornado crossed Hudson Road where more debris from a heavily damaged barn was strewn across Hudson Road and into adjacent fields.  The tornado lifted before reaching Graham Road.  Small debris was noted scattered in the fields on the west side of Graham Road.  This damage is consistent with wind speeds near 85 miles per hour.

Tornado in FRANKLIN, OHIO
From 26-OCT-10 13:05:00 to 26-OCT-10 13:06:00 (EST-5)
Location: GROVEPORT
Tornado F-scale: EF0
Property damage: 40.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A brief tornado touched down near Bixby Road between Walden Trace and Hickory Grove Circle.  The tornado struck two barns.  Both barns were totally destroyed with damage blown into a nearby field.  Another nearby barn lost almost all of the roof.  Damage is indicative of wind speeds around 70 miles per hour.

Tornado in LICKING, OHIO
From 26-OCT-10 13:27:00 to 26-OCT-10 13:28:00 (EST-5)
Location: UNION STATION
Tornado F-scale: EF0
Property damage: 15.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A brief tornado touched down just southwest of a subdivision and moved through part of the subdivision before lifting.  Several large trees were snapped off due to the tornado.  In addition, there was minor structural damage to several homes including windows blown out, roofing material removed, and chimney damage.  The damage is consistent with wind speeds around 80 miles per hour.

Tornado in CLINTON, OHIO
From 26-OCT-10 12:20:00 to 26-OCT-10 12:24:00 (EST-5)
Location: LEES CREEK
Tornado F-scale: EF0
Property damage: 70.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

The tornado touched down in Clinton County at 1224 EST and continued into Fayette County at 1224 EST before lifting at 1225 EST.  The path width was 200 yards.  The tornado traveled for 3.81 miles in Clinton County and then 0.14 miles in Fayette County.  The damage was consistent with winds around 85 miles per hour.  The tornado touched down just west of State Route 72, about one mile northwest of the intersection with State Route 729.  The tornado was observed on the ground from two separate residences near the initial touch down location.  Four utility poles were observed to be broken and briefly suspended in the tornado near one of the residences.  An occupant of the other residence observed debris circulating immediately east of State Route 72.  At one location east of State Route 72, the tornado pulled a large metal door from a barn and destroyed a portion of the metal roof.  Fragments of the roof were carried for approximately a quarter of a mile to the northeast.  Field debris was also found wedged between the wall boards of the barn.  The tornado continued northeast and next crossed Hornbeam Road approximately three-fourths of a mile northwest of the intersection with State Route 729.  Damage on the east side of Hornbeam Road included a horse trailer that was picked up and carried about 100 feet.  Numerous trees were also snapped on this same property.  The tornado then traveled northeast across open and harvested fields until arriving at Greenfield-Sabina Road, approximately three-fourths of a mile northwest of the intersection with Snow Hill Road.  Damage on the east side of the road included damage to a metal roof and a wall of a livestock barn.  There was also roof and siding damage to two residences nearby.  The concentrated damage path appeared to end just past this location in far western Fayette County.

Tornado in FAYETTE, OHIO
From 26-OCT-10 12:30:00 to 26-OCT-10 12:35:00 (EST-5)
Location: GOOD HOPE
Tornado F-scale: EF0
Property damage: 75.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Along the path of the tornado, several trees were snapped and several structures lost parts or all of their roofs.  The heaviest damage occurred to a large storage facility which suffered major roof loss and total collapse of the northern half of the structure.  On the western edge of Washington Court House there was roof damage to two businesses in addition to tree damage.  This damage is consistent with winds around 85 miles per hour.

Thunderstorm Wind in SHELBY, OHIO
From 26-OCT-10 11:15:00 to 26-OCT-10 11:20:00 (EST-5)
Location: SIDNEY
Magnitude: 60.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees were reported down due to damaging thunderstorm winds.

Thunderstorm Wind in MONTGOMERY, OHIO
From 26-OCT-10 11:38:00 to 26-OCT-10 11:42:00 (EST-5)
Location: VANDALIA
Magnitude: 60.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trees were reported down due to damaging thunderstorm winds.

Thunderstorm Wind in GREENE, OHIO
From 26-OCT-10 11:45:00 to 26-OCT-10 11:46:00 (EST-5)
Location: BELLBROOK
Magnitude: 52.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A truck was blown sideways due to damaging thunderstorm winds.

Thunderstorm Wind in CLINTON, OHIO
From 26-OCT-10 12:00:00 to 26-OCT-10 12:03:00 (EST-5)
Location: PANSY
Magnitude: 70.00 EG
Property damage: 35.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A roof was torn off of a house due to damaging thunderstorm winds.  A few trees were also reported down due to the winds.

Thunderstorm Wind in CLINTON, OHIO
From 26-OCT-10 12:10:00 to 26-OCT-10 12:15:00 (EST-5)
Location: WILMINGTON
Magnitude: 60.00 EG
Property damage: 30.00K
Crop damage: 0.00K
Reported by: NWS Employee

Severe barn damage occurred along Ireland Road.  Trees were also reported down along Ireland and Cuba Roads due to damaging thunderstorm winds.

Thunderstorm Wind in CLINTON, OHIO
From 26-OCT-10 12:13:00 to 26-OCT-10 12:14:00 (EST-5)
Location: (ILN)WILMINGTON ARPK
Magnitude: 63.00 MG
Reported by: Official NWS Observations

Thunderstorm Wind in FRANKLIN, OHIO
From 26-OCT-10 13:13:00 to 26-OCT-10 13:14:00 (EST-5)
Location: (LCK)RCKENBCKR ARPT
Magnitude: 55.00 MG
Reported by: AWOS

Thunderstorm Wind in FAYETTE, OHIO
From 26-OCT-10 12:42:00 to 26-OCT-10 12:44:00 (EST-5)
Location: WASHINGTON COURT HOU
Magnitude: 60.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Amateur Radio

A large tree was reported down on a house due to damaging thunderstorm winds.

Tornado in AUGLAIZE, OHIO
From 26-OCT-10 10:48:00 to 26-OCT-10 10:49:00 (EST-5)
Location: WAPAKONETA
Tornado F-scale: EF0
Property damage: 30.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Damage from this brief tornado touchdown included a garage door that was blown in and a barn that collapsed.  Based on this damage, wind speeds were estimated to be 75 miles per hour.

Tornado in FAYETTE, OHIO
From 26-OCT-10 12:24:00 to 26-OCT-10 12:25:00 (EST-5)
Location: GOOD HOPE
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

The tornado touched down in Clinton County at 1224 EST and continued into Fayette County at 1224 EST before lifting at 1225 EST.  The path width was 200 yards.  The tornado traveled for 3.81 miles in Clinton County and then 0.14 miles in Fayette County.  The damage was consistent with winds around 85 miles per hour.  The tornado touched down just west of State Route 72, about one mile northwest of the intersection with State Route 729.  The tornado was observed on the ground from two separate residences near the initial touch down location.  Four utility poles were observed to be broken and briefly suspended in the tornado near one of the residences.  An occupant of the other residence observed debris circulating immediately east of State Route 72.  At one location east of State Route 72, the tornado pulled a large metal door from a barn and destroyed a portion of the metal roof.  Fragments of the roof were carried for approximately a quarter of a mile to the northeast.  Field debris was also found wedged between the wall boards of the barn.  The tornado continued northeast and next crossed Hornbeam Road approximately three-fourths of a mile northwest of the intersection with State Route 729.  Damage on the east side of Hornbeam Road included a horse trailer that was picked up and carried about 100 feet.  Numerous trees were also snapped on this same property.  The tornado then traveled northeast across open and harvested fields until arriving at Greenfield-Sabina Road, approximately three-fourths of a mile northwest of the intersection with Snow Hill Road.  Damage on the east side of the road included damage to a metal roof and a wall of a livestock barn.  There was also roof and siding damage to two residences nearby.  The concentrated damage path appeared to end just past this location in far western Fayette County.

Thunderstorm Wind in ROSS, OHIO
From 26-OCT-10 13:12:00 to 26-OCT-10 13:15:00 (EST-5)
Location: CHILLICOTHE
Magnitude: 60.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Newspaper

Trees and large tree limbs were reported down due to damaging thunderstorm winds.

Thunderstorm Wind in PICKAWAY, OHIO
From 26-OCT-10 12:52:00 to 26-OCT-10 12:55:00 (EST-5)
Location: CIRCLEVILLE
Magnitude: 60.00 EG
Property damage: 75.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A building collapsed and trees were reported down due to damaging thunderstorm winds.

Thunderstorm Wind in PICKAWAY, OHIO
From 26-OCT-10 12:44:00 to 26-OCT-10 12:48:00 (EST-5)
Location: FIVE PTS
Magnitude: 61.00 EG
Property damage: 30.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Six power poles were snapped due to damaging thunderstorm winds.  Trees and outbuildings were also damaged by the thunderstorm winds.

Thunderstorm Wind in BROWN, OHIO
From 26-OCT-10 12:36:00 to 26-OCT-10 12:40:00 (EST-5)
Location: RIPLEY
Magnitude: 60.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Newspaper

A porch roof was damaged due to damaging thunderstorm winds.  Structural damage also occurred to the walls and main roof of the house due to the winds.

Thunderstorm Wind in ADAMS, OHIO
From 26-OCT-10 13:00:00 to 26-OCT-10 13:05:00 (EST-5)
Location: WEST UNION
Magnitude: 60.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Large tree limbs were reported down due to damaging thunderstorm winds.

Thunderstorm Wind in FAIRFIELD, OHIO
From 26-OCT-10 13:32:00 to 26-OCT-10 13:35:00 (EST-5)
Location: PICKERINGTON
Magnitude: 60.00 EG
Property damage: 12.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A tractor trailer was blown over due to damaging thunderstorm winds.

Thunderstorm Wind in PICKAWAY, OHIO
From 26-OCT-10 13:15:00 to 26-OCT-10 13:19:00 (EST-5)
Location: TARLTON
Magnitude: 60.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Large tree limbs were reported down over a roadway due to damaging thunderstorm winds.

Thunderstorm Wind in SCIOTO, OHIO
From 26-OCT-10 13:32:00 to 26-OCT-10 13:36:00 (EST-5)
Location: MC DERMOTT
Magnitude: 60.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Large tree limbs were reported down due to damaging thunderstorm winds.

Thunderstorm Wind in PIKE, OHIO
From 26-OCT-10 13:38:00 to 26-OCT-10 13:47:00 (EST-5)
Location: PIKETON
Magnitude: 60.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Power lines were reported down due to damaging thunderstorm winds.

Thunderstorm Wind in LICKING, OHIO
From 26-OCT-10 13:34:00 to 26-OCT-10 13:35:00 (EST-5)
Location: NEWARK HEATH ARPT
Magnitude: 54.00 MG
Reported by: ASOS

Thunderstorm Wind in LICKING, OHIO
From 26-OCT-10 13:36:00 to 26-OCT-10 13:40:00 (EST-5)
Location: NEWARK
Magnitude: 60.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Large tree limbs were reported down due to damaging thunderstorm winds.

Thunderstorm Wind in SCIOTO, OHIO
From 26-OCT-10 13:42:00 to 26-OCT-10 13:46:00 (EST-5)
Location: MINFORD
Magnitude: 60.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Large tree limbs were reported down due to damaging thunderstorm winds.

Thunderstorm Wind in CLINTON, OHIO
From 26-OCT-10 12:03:00 to 26-OCT-10 12:06:00 (EST-5)
Location: WILMINGTON
Magnitude: 65.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

A chicken coop was blown 35 yards away due to damaging thunderstorm winds.  A few trees were also reported down due to the winds.

Thunderstorm Wind in CLARK, OHIO
From 26-OCT-10 11:20:00 to 26-OCT-10 11:25:00 (EST-5)
Location: SPRINGFIELD
Magnitude: 60.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees were reported down countywide due to damaging thunderstorm winds.

Thunderstorm Wind in WARREN, OHIO
From 26-OCT-10 11:45:00 to 26-OCT-10 11:50:00 (EST-5)
Location: MASON
Magnitude: 60.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Two trees were reported down due to damaging thunderstorm winds.

Thunderstorm Wind in HAMILTON, OHIO
From 26-OCT-10 11:20:00 to 26-OCT-10 11:25:00 (EST-5)
Location: CINCINNATI
Magnitude: 60.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A roof was partially torn off of an apartment building due to damaging thunderstorm winds.

Thunderstorm Wind in LOGAN, OHIO
From 26-OCT-10 11:52:00 to 26-OCT-10 11:56:00 (EST-5)
Location: ZANESFIELD
Magnitude: 60.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees and power lines were reported down due to damaging thunderstorm winds.

Thunderstorm Wind in CLINTON, OHIO
From 26-OCT-10 12:16:00 to 26-OCT-10 12:17:00 (EST-5)
Location: (ILN)WILMINGTON ARPK
Magnitude: 58.00 MG
Reported by: ASOS

Thunderstorm Wind in CLINTON, OHIO
From 26-OCT-10 12:16:00 to 26-OCT-10 12:22:00 (EST-5)
Location: WILMINGTON
Magnitude: 60.00 EG
Property damage: 35.00K
Crop damage: 0.00K
Reported by: Public

One barn was destroyed and another barn was damaged due to thunderstorm winds.  Trees were also reported down due to damaging thunderstorm winds.

Thunderstorm Wind in CLERMONT, OHIO
From 26-OCT-10 11:53:00 to 26-OCT-10 11:57:00 (EST-5)
Location: MT REPOSE
Magnitude: 60.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees were reported down due to damaging thunderstorm winds.

Thunderstorm Wind in WARREN, OHIO
From 26-OCT-10 12:02:00 to 26-OCT-10 12:03:00 (EST-5)
Location: BUTLERVILLE
Magnitude: 70.00 MG
Reported by: Trained Spotter

Thunderstorm Wind in BUTLER, OHIO
From 26-OCT-10 11:20:00 to 26-OCT-10 11:21:00 (EST-5)
Location: TRENTON
Magnitude: 69.00 MG
Reported by: Trained Spotter