Thunderstorms developed with daytime heating on the southern edge of a passing disturbance. Some of these storms became severe. The main threat from these storms was large hail. However, isolated damaging thunderstorm winds and localized flooding due to heavy rainfall were also possible.

Hail in PICKAWAY, OHIO
From 18-MAR-12 18:14:00 to 18-MAR-12 18:15:00 (EST-5)
Location: CIRCLEVILLE
Magnitude: 1.00 
Reported by: Trained Spotter

Thunderstorm Wind in FRANKLIN, OHIO
From 18-MAR-12 16:53:00 to 18-MAR-12 16:57:00 (EST-5)
Location: DUBLIN
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A few trees were reported down due to damaging thunderstorm winds.

Hail in FRANKLIN, OHIO
From 18-MAR-12 18:22:00 to 18-MAR-12 18:26:00 (EST-5)
Location: UPPER ARLINGTON
Magnitude: 1.00 
Reported by: Law Enforcement

Hail in PICKAWAY, OHIO
From 18-MAR-12 19:52:00 to 18-MAR-12 19:56:00 (EST-5)
Location: MARCY
Magnitude: 1.00 
Reported by: Public

Hail in FAIRFIELD, OHIO
From 18-MAR-12 19:30:00 to 18-MAR-12 19:34:00 (EST-5)
Location: LANCASTER
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in GREENE, OHIO
From 18-MAR-12 22:29:00 to 18-MAR-12 22:33:00 (EST-5)
Location: CEDARVILLE
Magnitude: 0.88 
Reported by: Trained Spotter

Heavy Rain in UNION, OHIO
From 18-MAR-12 17:30:00 to 18-MAR-12 18:30:00 (EST-5)
Location: MARYSVILLE
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Drainage ditches were reported to be overflowing in the area due to heavy rainfall.

Flood in FRANKLIN, OHIO
From 18-MAR-12 18:30:00 to 18-MAR-12 19:30:00 (EST-5)
Location: DUBLIN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Street flooding and ponding of water in low lying areas occurred due to heavy rain.

Hail in FRANKLIN, OHIO
From 18-MAR-12 17:00:00 to 18-MAR-12 17:04:00 (EST-5)
Location: DUBLIN
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in FAYETTE, OHIO
From 18-MAR-12 17:20:00 to 18-MAR-12 17:24:00 (EST-5)
Location: WASHINGTON COURT HOU
Magnitude: 1.00 
Reported by: Post Office

Hail in FRANKLIN, OHIO
From 18-MAR-12 17:30:00 to 18-MAR-12 17:34:00 (EST-5)
Location: HILLIARD
Magnitude: 1.00 
Reported by: Amateur Radio

Hail in FRANKLIN, OHIO
From 18-MAR-12 17:44:00 to 18-MAR-12 17:48:00 (EST-5)
Location: UPPER ARLINGTON
Magnitude: 1.00 
Reported by: Broadcast Media

Hail in FRANKLIN, OHIO
From 18-MAR-12 17:57:00 to 18-MAR-12 18:01:00 (EST-5)
Location: BEXLEY
Magnitude: 0.75 
Reported by: NWS Employee

Hail in FRANKLIN, OHIO
From 18-MAR-12 18:04:00 to 18-MAR-12 18:08:00 (EST-5)
Location: WHITEHALL
Magnitude: 1.00 
Reported by: Trained Spotter

Flood in CHAMPAIGN, OHIO
From 18-MAR-12 16:14:00 to 18-MAR-12 17:14:00 (EST-5)
Location: NORTH LEWISBURG
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Several inches of water due to heavy rain were reported across roads in the town of North Lewisburg.

Hail in FAIRFIELD, OHIO
From 18-MAR-12 18:30:00 to 18-MAR-12 18:34:00 (EST-5)
Location: STOUTSVILLE
Magnitude: 1.75 
Reported by: Public

Hail in FAIRFIELD, OHIO
From 18-MAR-12 18:44:00 to 18-MAR-12 18:48:00 (EST-5)
Location: AMANDA
Magnitude: 1.00 
Reported by: Trained Spotter

Flood in LICKING, OHIO
From 18-MAR-12 18:27:00 to 18-MAR-12 19:27:00 (EST-5)
Location: NEWARK
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

High water due to heavy rain was reported across some of the streets in southern Newark.

Hail in FRANKLIN, OHIO
From 18-MAR-12 18:10:00 to 18-MAR-12 18:14:00 (EST-5)
Location: HILLIARD
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in FRANKLIN, OHIO
From 18-MAR-12 18:18:00 to 18-MAR-12 18:22:00 (EST-5)
Location: UPPER ARLINGTON
Magnitude: 0.88 
Reported by: Trained Spotter

Hail in FRANKLIN, OHIO
From 18-MAR-12 18:22:00 to 18-MAR-12 18:26:00 (EST-5)
Location: UPPER ARLINGTON
Magnitude: 1.00 
Reported by: Law Enforcement

Hail in FRANKLIN, OHIO
From 18-MAR-12 18:30:00 to 18-MAR-12 18:34:00 (EST-5)
Location: GROVE CITY
Magnitude: 1.00 
Reported by: Public

Hail in PICKAWAY, OHIO
From 18-MAR-12 18:16:00 to 18-MAR-12 18:20:00 (EST-5)
Location: CIRCLEVILLE
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in PICKAWAY, OHIO
From 18-MAR-12 18:16:00 to 18-MAR-12 18:20:00 (EST-5)
Location: CIRCLEVILLE
Magnitude: 1.75 
Reported by: Trained Spotter

Hail in FRANKLIN, OHIO
From 18-MAR-12 18:55:00 to 18-MAR-12 19:06:00 (EST-5)
Location: UPPER ARLINGTON
Magnitude: 1.25 
Reported by: Trained Spotter

Hail in FAIRFIELD, OHIO
From 18-MAR-12 18:50:00 to 18-MAR-12 18:54:00 (EST-5)
Location: CLEARPORT
Magnitude: 1.75 
Reported by: Public

Hail in FRANKLIN, OHIO
From 18-MAR-12 18:31:00 to 18-MAR-12 18:35:00 (EST-5)
Location: OBETZ
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in FRANKLIN, OHIO
From 18-MAR-12 18:37:00 to 18-MAR-12 18:41:00 (EST-5)
Location: GROVEPORT
Magnitude: 1.00 
Reported by: Public

Hail in HOCKING, OHIO
From 18-MAR-12 19:20:00 to 18-MAR-12 19:24:00 (EST-5)
Location: ROCKBRIDGE
Magnitude: 1.00 
Reported by: Public

Hail in FAIRFIELD, OHIO
From 18-MAR-12 19:18:00 to 18-MAR-12 19:22:00 (EST-5)
Location: PICKERINGTON
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in FRANKLIN, OHIO
From 18-MAR-12 19:27:00 to 18-MAR-12 19:31:00 (EST-5)
Location: REYNOLDSBURG
Magnitude: 1.00 
Reported by: Public

Hail in FAIRFIELD, OHIO
From 18-MAR-12 19:29:00 to 18-MAR-12 19:33:00 (EST-5)
Location: LANCASTER
Magnitude: 0.75 
Reported by: Trained Spotter

Hail in PICKAWAY, OHIO
From 18-MAR-12 18:23:00 to 18-MAR-12 18:30:00 (EST-5)
Location: CIRCLEVILLE
Magnitude: 1.00 
Reported by: Law Enforcement

Hail in PICKAWAY, OHIO
From 18-MAR-12 18:19:00 to 18-MAR-12 18:23:00 (EST-5)
Location: CIRCLEVILLE
Magnitude: 0.88 
Reported by: Trained Spotter

Hail in CHAMPAIGN, OHIO
From 18-MAR-12 15:13:00 to 18-MAR-12 15:17:00 (EST-5)
Location: SPRING HILLS
Magnitude: 1.00 
Reported by: Public

Hail in CHAMPAIGN, OHIO
From 18-MAR-12 15:13:00 to 18-MAR-12 15:17:00 (EST-5)
Location: SPRING HILLS
Magnitude: 0.75 
Reported by: Public

Hail in CHAMPAIGN, OHIO
From 18-MAR-12 16:05:00 to 18-MAR-12 16:09:00 (EST-5)
Location: NORTH LEWISBURG
Magnitude: 0.88 
Reported by: Trained Spotter

Hail in CHAMPAIGN, OHIO
From 18-MAR-12 16:14:00 to 18-MAR-12 16:18:00 (EST-5)
Location: NORTH LEWISBURG
Magnitude: 1.50 
Reported by: Trained Spotter

Hail in FRANKLIN, OHIO
From 18-MAR-12 17:50:00 to 18-MAR-12 17:54:00 (EST-5)
Location: UPPER ARLINGTON
Magnitude: 0.75 
Reported by: Broadcast Media