A mesoscale convective system developed across Illinois and worked east then southeast across the region during the early morning hours of June 23rd.

Flash Flood in FRANKLIN, OHIO
From 23-JUN-16 02:04:00 to 23-JUN-16 05:00:00 (EST-5)
Location: GRANDVIEW HGTS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

High moving water forced the closure of High Street at East 15th Street.

Thunderstorm Wind in CLINTON, OHIO
From 23-JUN-16 02:21:00 to 23-JUN-16 02:31:00 (EST-5)
Location: MORRISVILLE
Magnitude: 61.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: NWS Employee

Several large trees were downed.

Thunderstorm Wind in BROWN, OHIO
From 23-JUN-16 04:30:00 to 23-JUN-16 04:40:00 (EST-5)
Location: EAST WAHLSBURG
Magnitude: 61.00 EG
Property damage: 40.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A tobacco barn and several trees were knocked down at 9141 Day Hill Arnheim Road. The house also had siding damage.

Thunderstorm Wind in HAMILTON, OHIO
From 23-JUN-16 03:52:00 to 23-JUN-16 04:02:00 (EST-5)
Location: HYDE PARK
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A tree fell onto a parked car.

Thunderstorm Wind in HAMILTON, OHIO
From 23-JUN-16 03:53:00 to 23-JUN-16 04:03:00 (EST-5)
Location: CALIFORNIA
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Kellogg Ave. was closed at Lanter Lane by a tree in the roadway.

Thunderstorm Wind in FRANKLIN, OHIO
From 23-JUN-16 01:48:00 to 23-JUN-16 01:58:00 (EST-5)
Location: GROVE CITY
Magnitude: 50.00 EG
Property damage: 110.00K
Crop damage: 0.00K
Reported by: Law Enforcement

One tree was downed at Harrisburg Pike and Paul St.

Thunderstorm Wind in WARREN, OHIO
From 23-JUN-16 02:05:00 to 23-JUN-16 02:15:00 (EST-5)
Location: CROSSWICK
Magnitude: 70.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Multiple trees and power poles were broken at U.S. 42 and Ohio Route 73.

Thunderstorm Wind in WARREN, OHIO
From 23-JUN-16 02:02:00 to 23-JUN-16 02:12:00 (EST-5)
Location: FIVE PTS
Magnitude: 61.00 EG
Property damage: 7.00K
Crop damage: 0.00K
Reported by: Public

Numerous trees were reported knocked down.

Thunderstorm Wind in CLINTON, OHIO
From 23-JUN-16 02:22:00 to 23-JUN-16 02:32:00 (EST-5)
Location: MELVIN
Magnitude: 64.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in MADISON, OHIO
From 23-JUN-16 01:51:00 to 23-JUN-16 02:01:00 (EST-5)
Location: LAFAYETTE
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

A few trees and large limbs were knocked down.

Flash Flood in DELAWARE, OHIO
From 23-JUN-16 02:50:00 to 23-JUN-16 05:15:00 (EST-5)
Location: AFRICA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Three to four inches of fast flowing water was reported on Cypress Drive.

Flash Flood in FRANKLIN, OHIO
From 23-JUN-16 04:00:00 to 23-JUN-16 06:30:00 (EST-5)
Location: REYNOLDSBURG
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Several streets were flooded by over one foot of water.

Flood in HARDIN, OHIO
From 23-JUN-16 09:12:00 to 23-JUN-16 12:00:00 (EST-5)
Location: MT VICTORY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

One road was still closed due to flooding.

Hail in HAMILTON, OHIO
From 23-JUN-16 03:54:00 to 23-JUN-16 03:59:00 (EST-5)
Location: CINCINNATI
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Thunderstorm Wind in UNION, OHIO
From 22-JUN-16 23:50:00 to 23-JUN-16 00:00:00 (EST-5)
Location: BYHALIA
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Broadcast Media

State Route 31 was closed between Richwood Miller Rd and Turner Rd due to a tree down.

Thunderstorm Wind in UNION, OHIO
From 23-JUN-16 00:20:00 to 23-JUN-16 00:30:00 (EST-5)
Location: MARYSVILLE
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

Multiple trees and limbs were knocked down in the area.

Thunderstorm Wind in UNION, OHIO
From 23-JUN-16 00:35:00 to 23-JUN-16 00:45:00 (EST-5)
Location: BYHALIA
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

One tree was knocked down across a road.

Thunderstorm Wind in BUTLER, OHIO
From 23-JUN-16 00:45:00 to 23-JUN-16 00:55:00 (EST-5)
Location: SOMERVILLE
Magnitude: 43.00 EG
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Public

A few trees and large limbs were knocked down.

Thunderstorm Wind in DARKE, OHIO
From 23-JUN-16 01:06:00 to 23-JUN-16 01:16:00 (EST-5)
Location: GREENVILLE
Magnitude: 50.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Public

A couple of large limbs were knocked down.

Thunderstorm Wind in CLINTON, OHIO
From 23-JUN-16 02:28:00 to 23-JUN-16 02:38:00 (EST-5)
Location: NEW VIENNA
Magnitude: 56.00 EG
Property damage: 6.00K
Crop damage: 0.00K
Reported by: Public

Large limbs were knocked down and minor damage occurred to the siding of a home.

Thunderstorm Wind in CLINTON, OHIO
From 23-JUN-16 02:20:00 to 23-JUN-16 02:30:00 (EST-5)
Location: BURTONVILLE
Magnitude: 70.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

ODOT garage station measured the gust.

Thunderstorm Wind in WARREN, OHIO
From 23-JUN-16 02:02:00 to 23-JUN-16 02:12:00 (EST-5)
Location: EDGETOWN
Magnitude: 70.00 EG
Property damage: 75.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Widespread significant wind damage to large trees and siding of homes was reported.

Thunderstorm Wind in WARREN, OHIO
From 23-JUN-16 02:00:00 to 23-JUN-16 02:10:00 (EST-5)
Location: WELLMAN
Magnitude: 61.00 EG
Property damage: 55.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Most of the roof was torn off a barn, along with the collapse of a barn wall. Significant tree damage was reported on the same property, which was in the 5600 block of North Clarksville Road.

Thunderstorm Wind in WARREN, OHIO
From 23-JUN-16 01:55:00 to 23-JUN-16 02:05:00 (EST-5)
Location: SPRINGBORO
Magnitude: 70.00 EG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A swath of damage was observed in the Settlers Walk neighborhood
including Settlers Walk Blvd., Stolle Drive, and Remick Blvd. The
damage also extended to the southeast toward Five Points and
Lytle. Maximum winds associated with the microburst occurred within
this area, and are estimated to be up to 80 mph.
Multiple hardwood trees were knocked down and were pointing in
the same direction. A few softwood trees were also uprooted.

Thunderstorm Wind in WARREN, OHIO
From 23-JUN-16 01:53:00 to 23-JUN-16 02:03:00 (EST-5)
Location: SPRINGBORO
Magnitude: 61.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Large trees were reported down on houses.

Thunderstorm Wind in PIKE, OHIO
From 23-JUN-16 03:53:00 to 23-JUN-16 04:03:00 (EST-5)
Location: SARGENTS
Magnitude: 70.00 EG
Property damage: 75.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Major damage occurred to the Grandview Buildings and Supply near Piketon.

Thunderstorm Wind in BUTLER, OHIO
From 23-JUN-16 01:53:00 to 23-JUN-16 02:03:00 (EST-5)
Location: POAST TOWN
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A large tree was snapped in Madison Township in the 6500 block of Germantown Road.

Flash Flood in HARDIN, OHIO
From 23-JUN-16 00:10:00 to 23-JUN-16 03:00:00 (EST-5)
Location: KENTON
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Public

Water was reported up to the door of a business and various county roads were covered by water.

Flash Flood in DELAWARE, OHIO
From 23-JUN-16 00:55:00 to 23-JUN-16 03:30:00 (EST-5)
Location: DELAWARE
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

There were numerous reports in the city of Delaware of roads closed due to high water. The city had high water throughout.

Thunderstorm Wind in DARKE, OHIO
From 23-JUN-16 01:14:00 to 23-JUN-16 01:24:00 (EST-5)
Location: ITHACA
Magnitude: 50.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Public

A couple of large branches were knocked down.

Thunderstorm Wind in DARKE, OHIO
From 23-JUN-16 01:15:00 to 23-JUN-16 01:25:00 (EST-5)
Location: CASTINE
Magnitude: 55.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Damage occurred to farm storage units and slight damage was done to a house.

Thunderstorm Wind in FRANKLIN, OHIO
From 23-JUN-16 01:15:00 to 23-JUN-16 01:25:00 (EST-5)
Location: HOMEDALE
Magnitude: 50.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Public

Large limbs were blown down from a healthy ash tree near Morse Road in Clintonville.

Thunderstorm Wind in MONTGOMERY, OHIO
From 23-JUN-16 01:30:00 to 23-JUN-16 01:40:00 (EST-5)
Location: BROOKVILLE
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trees were reported down.

Thunderstorm Wind in MONTGOMERY, OHIO
From 23-JUN-16 01:31:00 to 23-JUN-16 01:41:00 (EST-5)
Location: CLAYTON
Magnitude: 50.00 EG
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Public

A power pole and wires were downed at Mimmel Road and Wastler Road. Several other trees and limbs were knocked down in the Clayton Area.

Thunderstorm Wind in PREBLE, OHIO
From 23-JUN-16 01:31:00 to 23-JUN-16 01:41:00 (EST-5)
Location: EATON
Magnitude: 50.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Public

One large branch was downed.

Thunderstorm Wind in MONTGOMERY, OHIO
From 23-JUN-16 01:33:00 to 23-JUN-16 01:43:00 (EST-5)
Location: (DAY)COX DAYTON INTL
Magnitude: 53.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Thunderstorm Wind in CLINTON, OHIO
From 23-JUN-16 02:15:00 to 23-JUN-16 02:25:00 (EST-5)
Location: OGDEN
Magnitude: 61.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: NWS Employee

Large tree limbs were down covering U.S. 22/Ohio Route 3, making it impassable.

Thunderstorm Wind in BUTLER, OHIO
From 23-JUN-16 01:55:00 to 23-JUN-16 02:05:00 (EST-5)
Location: OXFORD
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A large tree and numerous large branches were knocked down.

Thunderstorm Wind in UNION, OHIO
From 23-JUN-16 01:45:00 to 23-JUN-16 01:55:00 (EST-5)
Location: MILFORD CENTER
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A large tree was downed due to thunderstorm winds at Milford Center.

Thunderstorm Wind in CLINTON, OHIO
From 23-JUN-16 02:19:00 to 23-JUN-16 02:29:00 (EST-5)
Location: WILMINGTON
Magnitude: 48.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: NWS Employee

Three large tree branches were knocked down.

Thunderstorm Wind in ROSS, OHIO
From 23-JUN-16 02:39:00 to 23-JUN-16 02:49:00 (EST-5)
Location: FRANKFORT
Magnitude: 52.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

Two trees fell down, one fell on a house.

Thunderstorm Wind in FRANKLIN, OHIO
From 23-JUN-16 01:49:00 to 23-JUN-16 01:59:00 (EST-5)
Location: GROVE CITY
Magnitude: 50.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Public

One large tree limb was reported knocked down.

Thunderstorm Wind in ROSS, OHIO
From 23-JUN-16 02:48:00 to 23-JUN-16 02:58:00 (EST-5)
Location: CHILLICOTHE
Magnitude: 52.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Public

Multiple large limbs were reported knocked down.

Thunderstorm Wind in WARREN, OHIO
From 23-JUN-16 02:15:00 to 23-JUN-16 02:25:00 (EST-5)
Location: MAINEVILLE
Magnitude: 50.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Public

A tree was reported snapped.

Thunderstorm Wind in FRANKLIN, OHIO
From 23-JUN-16 02:18:00 to 23-JUN-16 02:28:00 (EST-5)
Location: PLEASANT CORNERS
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Two trees were knocked down onto northbound 62, south of Stahl Rd.

Thunderstorm Wind in HAMILTON, OHIO
From 23-JUN-16 03:45:00 to 23-JUN-16 03:55:00 (EST-5)
Location: MACK
Magnitude: 50.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: COOP Observer

One half inch diameter sized hail fell and a very large tree limb was knocked down a couple houses to the east.

Thunderstorm Wind in WARREN, OHIO
From 23-JUN-16 02:00:00 to 23-JUN-16 02:10:00 (EST-5)
Location: EDGETOWN
Magnitude: 65.00 EG
Property damage: 75.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Significant and widespread straight line wind damage to large trees and out buildings was reported.

Flash Flood in HARDIN, OHIO
From 23-JUN-16 02:30:00 to 23-JUN-16 05:00:00 (EST-5)
Location: RIDGEWAY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

State Route 31 was closed at County Road 200 due to high water. Other roads in the county were also closed.

Thunderstorm Wind in ROSS, OHIO
From 23-JUN-16 02:31:00 to 23-JUN-16 02:41:00 (EST-5)
Location: PLANO
Magnitude: 52.00 EG
Property damage: 7.00K
Crop damage: 7.00K
Reported by: Public

A barn and outbuilding were damaged. Trees were also reported damaged including to an apple orchard.

Tornado in FAYETTE, OHIO
From 23-JUN-16 02:20:00 to 23-JUN-16 02:22:00 (EST-5)
Location: MILLEDGEVILLE
Tornado F-scale: EF1
Property damage: 110.00K
Crop damage: 10.00K
Reported by: NWS Storm Survey

The first sign of tornadic damage was observed near the corner of
Palmer Road NW and Harmony Road. Siding was removed from multiple
sides of a two story home, particularly on the southeast facing
side. Large tree limbs were also knocked down near this residence.
Damage continued to the southeast along Harmony Road and onto
Burnett Perrill Road. Damage primarily affected hardwood trees,
and several large branches were snapped from the trees. The
orientation of the trees exhibited a convergent pattern to the
damage. Siding was also removed from a garage at a residence on
Burnett Perrill Road.
Near the intersection of Burnett Perrill Road and Jasper-Coil
Road, numerous evergreen trees were snapped or uprooted on the
Jasper-Coil Road side.
The tornado moved across a cornfield and then across Bush
Cemetary on Bush Road. Tree damage at Bush Cemetary was extensive
and consisted of both snapped and uprooted trees thrown in
multiple directions. A well-defined swirl was noted in the
cornfield to the southeast of Bush Cemetary.
The most significant damage was observed along U.S. Route 22. Two
homes along the 3700 block of US Route 22 suffered structural
damage. One of the homes suffered partial uplift of the roof and
a significant loss of the covering of the roof. The garage was
also heavily damaged and the front porch was lifted. Leaf and
other debris splatter was observed on all sides of the home.
Spruce trees were uprooted and large limbs from other trees were
broken. The residence located on the opposite side of U.S. Route
22 had shingles and siding removed. An un-attached one car garage
was also destroyed. Damage in this area was estimated to be EF1 in
nature, with maximum winds near 100 mph.
To the southeast of this area, sporadic damage to trees and power
poles was noted, however the damage was more consistent with
straight-line winds. The survey also concluded that damage in the
Jasper Mills area was also caused by straight-line winds.

Tornado in WARREN, OHIO
From 23-JUN-16 02:03:00 to 23-JUN-16 02:31:00 (EST-5)
Location: EDGETOWN
Tornado F-scale: EF1
Property damage: 360.00K
Crop damage: 10.00K
Reported by: NWS Storm Survey

The tornado first touched down at a campground on State Route 73 near Waynesville. At this location, trees were snapped, platform tents damaged, mattresses thrown, and there was evidence of a tornadic circulation in the grass. The tornado path continued southeast across U.S. Route 42 south of Waynesville with snapped trees. Barn damage occurred at a residence off of North Clarksville Road, where large sections of metal roofing were uplifted and barn doors were blown in. Trees on the property were snapped and were facing in a convergent pattern. Additional tree damage continued down North Clarksville Road. More trees were snapped near Caesar Creek Lake south of Harveysburg and also on Harveysburg Road.
Southeast of Interstate 71 on Doster Road, two homes sustained damage. There was loss of roofing material and the winds made one side of the house bulge outwards. Debris splatter was present on several sides of a home. Trees were uprooted and snapped in this area. The brick wall of a barn collapsed, while sections of roof were uplifted from barns.
The path continued southeast, where tree damage occurred along Hadley Road and South Clarksville Road. In the Ogden area off of Ogden Road, several trees were snapped. A tree also fell on a home in this area. There was again evidence of a tornadic signature with leaf debris on all sides of a barn. Trees and power lines were down along the path on Linkhart Road.
Off of State Route 730, some mobile homes were damaged, while several trees were snapped and a tree was uprooted. In addition, there was a convenience store that sustained loss of roofing materials with only some of the wooden beams remaining on part of the structure. Insulation was plastered to all sides of the building. Finally, a house lost portions of its metal roof while a barn incurred damage to its siding.
On Mcguinn Road, multiple houses sustained damaged. One home had extensive siding damage, the partial loss of a wall and roof damage, while insulation was plastered against several sides of the building. A small shed was destroyed and debris was tossed into a nearby field.  The foundation of one garage was shifted slightly.  At another residence, the two of the three sides of the garage were gone with the garage door pushed in. There were some subtle indications that damage continued into the crops in the field.  Finally, a large shed lost half of the roof and fence damage occurred to a nearby property.
South of Wilmington along U.S. Route 68, trees and power poles were damaged. The tree damage continued on East Dalton Road, Cuba Road, Ireland Road, and onto Berlin Road. Also on Berlin Road, a house lost a portion of the roof and a garage door was pushed inward. Damage occurred to another home on Leslie Drive, were there was partial loss of the roof and insulation was plastered against the house on all sides. On Brown Road, a tree was uprooted and part of the roof of a barn was uplifted.
On State Route 134 a shed was blown and tossed off of the foundation. Items were tossed far into a field. At another location, there was evidence of tornadic circulation in the grass. Multiple barns sustained damage, with damage to the roofs and walls. Silos were tossed into a field. The house had glass that was broken and was sticking into an interior wall of the house. The house also had damage to part of the roof. Several trees were also snapped at this location.
At the end of the path off of Crouse Road, a barn was destroyed and a silo was damaged. Tree damage was observed in a field.

Flash Flood in FRANKLIN, OHIO
From 23-JUN-16 02:23:00 to 23-JUN-16 05:00:00 (EST-5)
Location: GRANDVIEW HGTS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Flash Flooding closed Cannon Drive at Herrick on The Ohio State University Campus.

Thunderstorm Wind in HAMILTON, OHIO
From 23-JUN-16 03:51:00 to 23-JUN-16 04:01:00 (EST-5)
Location: HYDE PARK
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A tree fell down onto two houses.

Thunderstorm Wind in MONTGOMERY, OHIO
From 23-JUN-16 01:54:00 to 23-JUN-16 02:04:00 (EST-5)
Location: DAYTON GENERAL SOUTH
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

The top of a tree fell onto a porch. Several other large limbs were also down in the the area.

Thunderstorm Wind in MONTGOMERY, OHIO
From 23-JUN-16 01:38:00 to 23-JUN-16 01:48:00 (EST-5)
Location: HUBER SOUTH
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Amateur Radio

A large 20 inch diameter tree was blown down.