Thunderstorms developed along a trough axis in northern Indiana. These storms became severe before exiting Indiana and then moving south and southeast across western and south central parts of Ohio. One these severe storms moved into Northern Kentucky before weakening. The main severe weather threats from these storms were damaging winds and large hail.

Thunderstorm Wind in GREENE, OHIO
From 11-JUL-11 21:14:00 to 11-JUL-11 21:15:00 (EST-5)
Location: BEAVERCREEK
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Healthy trees were reported broken due to damaging thunderstorm winds.

Hail in GREENE, OHIO
From 11-JUL-11 19:53:00 to 11-JUL-11 19:57:00 (EST-5)
Location: YELLOW SPGS
Magnitude: 0.75 
Reported by: Amateur Radio

Thunderstorm Wind in PREBLE, OHIO
From 11-JUL-11 20:23:00 to 11-JUL-11 20:27:00 (EST-5)
Location: NEW PARIS
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees were reported down. Several power poles were reported across a roadway. These occurrences were due to damaging thunderstorm winds.

Hail in DARKE, OHIO
From 11-JUL-11 19:59:00 to 11-JUL-11 20:03:00 (EST-5)
Location: NEW MADISON
Magnitude: 0.88 
Reported by: County Official

Thunderstorm Wind in DARKE, OHIO
From 11-JUL-11 19:57:00 to 11-JUL-11 20:01:00 (EST-5)
Location: CASTINE
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Power lines and wires were blown down due to damaging thunderstorm winds.

Hail in DARKE, OHIO
From 11-JUL-11 20:09:00 to 11-JUL-11 20:13:00 (EST-5)
Location: HOLLANSBURG
Magnitude: 1.00 
Reported by: Public

Thunderstorm Wind in CLINTON, OHIO
From 11-JUL-11 20:29:00 to 11-JUL-11 20:33:00 (EST-5)
Location: WILMINGTON
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: NWS Employee

A large tree 30 feet high and 2 feet in diameter was snapped off 4 feet above the ground due to damaging thunderstorm winds.

Thunderstorm Wind in GREENE, OHIO
From 11-JUL-11 20:56:00 to 11-JUL-11 20:57:00 (EST-5)
Location: XENIA GREENE CO ARPT
Magnitude: 67.00 MG
Reported by: AWOS

Thunderstorm Wind in FAYETTE, OHIO
From 11-JUL-11 20:32:00 to 11-JUL-11 20:36:00 (EST-5)
Location: BLOOMINGBURG
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Public

Trees were reported down due to damaging thunderstorm winds.

Thunderstorm Wind in PREBLE, OHIO
From 11-JUL-11 20:59:00 to 11-JUL-11 21:00:00 (EST-5)
Location: EATON
Magnitude: 55.00 MG
Reported by: Trained Spotter

Thunderstorm Wind in MONTGOMERY, OHIO
From 11-JUL-11 20:40:00 to 11-JUL-11 20:41:00 (EST-5)
Location: KETTERING
Magnitude: 56.00 EG
Reported by: Trained Spotter

The spotter estimated the wind gust.

Thunderstorm Wind in GREENE, OHIO
From 11-JUL-11 19:44:00 to 11-JUL-11 19:45:00 (EST-5)
Location: BRYON
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

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

Hail in GREENE, OHIO
From 11-JUL-11 20:46:00 to 11-JUL-11 20:50:00 (EST-5)
Location: BEAVERCREEK
Magnitude: 0.75 
Reported by: Public

Thunderstorm Wind in WARREN, OHIO
From 11-JUL-11 21:18:00 to 11-JUL-11 21:22:00 (EST-5)
Location: MIDDLEBORO
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: NWS Employee

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

Thunderstorm Wind in MONTGOMERY, OHIO
From 11-JUL-11 20:41:00 to 11-JUL-11 20:50:00 (EST-5)
Location: KETTERING
Magnitude: 52.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Several power poles and large limbs were reported down due to damaging thunderstorm winds. The wind gust report was an estimate.

Thunderstorm Wind in ROSS, OHIO
From 11-JUL-11 20:49:00 to 11-JUL-11 20:59:00 (EST-5)
Location: SOUTH SALEM
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Public

One tree with a trunk diameter of 4 feet was snapped off. Numerous tree limbs were reported down or broken. These occurrences were due to damaging thunderstorm winds.

Thunderstorm Wind in WARREN, OHIO
From 11-JUL-11 21:27:00 to 11-JUL-11 21:31:00 (EST-5)
Location: MAINEVILLE
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Public

Large limbs were reported broken due to damaging thunderstorm winds.

Thunderstorm Wind in WARREN, OHIO
From 11-JUL-11 21:30:00 to 11-JUL-11 21:34:00 (EST-5)
Location: BLUE BALL
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Public

Numerous trees were reported damaged. Power lines and power poles were reported down. These occurrences were due to damaging thunderstorm winds.

Thunderstorm Wind in CLINTON, OHIO
From 11-JUL-11 21:18:00 to 11-JUL-11 21:28:00 (EST-5)
Location: KINGMAN
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: NWS Employee

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

Thunderstorm Wind in MONTGOMERY, OHIO
From 11-JUL-11 20:27:00 to 11-JUL-11 20:31:00 (EST-5)
Location: UNION
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Large tree limbs were snapped due to damaging thunderstorm winds.

Thunderstorm Wind in MIAMI, OHIO
From 11-JUL-11 18:59:00 to 11-JUL-11 19:00:00 (EST-5)
Location: COVINGTON
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Large limbs were reported down due to damaging thunderstorm winds.

Thunderstorm Wind in CLINTON, OHIO
From 11-JUL-11 20:36:00 to 11-JUL-11 20:40:00 (EST-5)
Location: MARTINSVILLE
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

A horse shelter was destroyed due to damaging thunderstorm winds.

Hail in MIAMI, OHIO
From 11-JUL-11 18:50:00 to 11-JUL-11 18:54:00 (EST-5)
Location: PIQUA
Magnitude: 1.50 
Reported by: Public

Hail in MIAMI, OHIO
From 11-JUL-11 18:53:00 to 11-JUL-11 18:59:00 (EST-5)
Location: COVINGTON
Magnitude: 0.88 
Reported by: Public

Hail in MIAMI, OHIO
From 11-JUL-11 18:55:00 to 11-JUL-11 18:59:00 (EST-5)
Location: PIQUA
Magnitude: 1.00 
Reported by: Public

Hail in MIAMI, OHIO
From 11-JUL-11 19:44:00 to 11-JUL-11 19:45:00 (EST-5)
Location: TIPP CITY
Magnitude: 0.75 
Reported by: Public

Hail in MONTGOMERY, OHIO
From 11-JUL-11 19:36:00 to 11-JUL-11 19:40:00 (EST-5)
Location: VANDALIA
Magnitude: 1.00 
Reported by: Public

Thunderstorm Wind in MONTGOMERY, OHIO
From 11-JUL-11 19:57:00 to 11-JUL-11 19:58:00 (EST-5)
Location: VANDALIA
Magnitude: 52.00 EG
Reported by: Trained Spotter

The spotter estimated the wind gust.

Thunderstorm Wind in MONTGOMERY, OHIO
From 11-JUL-11 19:59:00 to 11-JUL-11 20:08:00 (EST-5)
Location: DAYTON
Magnitude: 55.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Large limbs were reported broken. A large tree was uprooted. Numerous large tree limbs were down in the road. These occurrences were due to damaging thunderstorm winds.

Thunderstorm Wind in MONTGOMERY, OHIO
From 11-JUL-11 20:23:00 to 11-JUL-11 20:27:00 (EST-5)
Location: KETTERING
Magnitude: 60.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Newspaper

Many large limbs were reported down. Two roofs were blown off two apartment buildings and into a neighboring yard. Numerous trees and power lines were down throughout eastern Kettering. Kantner Park had a shelter damaged and picnic tables were tossed around. These occurrences were due to damaging thunderstorm winds.

Thunderstorm Wind in GREENE, OHIO
From 11-JUL-11 19:41:00 to 11-JUL-11 19:42:00 (EST-5)
Location: (FFO)WRIGHT-PATT AFB
Magnitude: 56.00 MG
Reported by: ASOS

Hail in MONTGOMERY, OHIO
From 11-JUL-11 19:42:00 to 11-JUL-11 19:45:00 (EST-5)
Location: HUBER HGTS
Magnitude: 1.00 
Reported by: Public

Hail in MONTGOMERY, OHIO
From 11-JUL-11 19:42:00 to 11-JUL-11 19:45:00 (EST-5)
Location: HUBER HGTS
Magnitude: 0.88 
Reported by: Public

Hail in FAIRFIELD, OHIO
From 11-JUL-11 20:29:00 to 11-JUL-11 20:33:00 (EST-5)
Location: LANCASTER
Magnitude: 0.75 
Reported by: Trained Spotter

Hail in DARKE, OHIO
From 11-JUL-11 18:30:00 to 11-JUL-11 18:45:00 (EST-5)
Location: VERSAILLES
Magnitude: 0.88 
Reported by: Public

Hail in GREENE, OHIO
From 11-JUL-11 19:55:00 to 11-JUL-11 19:59:00 (EST-5)
Location: FAIRBORN
Magnitude: 0.88 
Reported by: Public

Thunderstorm Wind in DARKE, OHIO
From 11-JUL-11 19:41:00 to 11-JUL-11 19:45:00 (EST-5)
Location: FT JEFFERSON
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees were reported down due to damaging thunderstorm winds.

Hail in GREENE, OHIO
From 11-JUL-11 19:50:00 to 11-JUL-11 19:54:00 (EST-5)
Location: FAIRBORN
Magnitude: 0.75 
Reported by: Public

Thunderstorm Wind in CLINTON, OHIO
From 11-JUL-11 21:26:00 to 11-JUL-11 21:30:00 (EST-5)
Location: WILMINGTON
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Siding was reported torn off of a garage. A trailer and a flag pole were damaged. These occurrences were due to damaging thunderstorm winds.

Thunderstorm Wind in GREENE, OHIO
From 11-JUL-11 20:40:00 to 11-JUL-11 20:50:00 (EST-5)
Location: BEAVERCREEK
Magnitude: 52.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trees limbs were reported down due to damaging thunderstorm winds. The spotter estimated the gust.

Thunderstorm Wind in BUTLER, OHIO
From 11-JUL-11 21:49:00 to 11-JUL-11 21:53:00 (EST-5)
Location: MIDDLETOWN
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A few trees were damaged about 20 to 30 feet above the ground due to damaging thunderstorm winds.