A cold front approaching the area from Michigan triggered some convection over central Ohio during the midday of the 7th. Dew points were in the 60s and increasing shear supported developing storms. A severe thunderstorm watch was in effect from 10 am through 5 pm. Numerous severe thunderstorm warnings and flood warnings were issued.

Flood in WYANDOT, OHIO
From 07-JUL-17 12:15:00 to 07-JUL-17 13:30:00 (EST-5)
Location: NEVADA
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A cluster of thunderstorms in Indiana moved into central Ohio midday. These storms had high rainfall rates. The hardest hit community was Nevada in Wyandot County around 115 pm. Radar estimates of 3-5 inches fell. Several basements on Morrison Street  were inundated due to widespread overland flooding up to a foot deep. State Route 231 was closed in and around town due to high water. Several County roads were closed across the county.  There were numerous basements and roads flooded in the area.

Hail in ERIE, OHIO
From 07-JUL-17 05:45:00 to 07-JUL-17 05:45:00 (EST-5)
Location: HURON
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Penny sized hail was observed.

Thunderstorm Wind in RICHLAND, OHIO
From 07-JUL-17 06:40:00 to 07-JUL-17 06:40:00 (EST-5)
Location: MANSFIELD
Magnitude: 50.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed a few trees across Richland County.

Thunderstorm Wind in ASHLAND, OHIO
From 07-JUL-17 06:32:00 to 07-JUL-17 06:32:00 (EST-5)
Location: NOVA
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed a tree.

Thunderstorm Wind in SUMMIT, OHIO
From 07-JUL-17 07:02:00 to 07-JUL-17 07:02:00 (EST-5)
Location: RICHFIELD
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed a couple of trees near Richfield along Columbia Road.

Thunderstorm Wind in ASHLAND, OHIO
From 07-JUL-17 06:50:00 to 07-JUL-17 06:50:00 (EST-5)
Location: MIFFLIN
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed a tree south of Mifflin along State Route 603.

Thunderstorm Wind in CUYAHOGA, OHIO
From 07-JUL-17 06:50:00 to 07-JUL-17 06:50:00 (EST-5)
Location: PARMA
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter measured a 60 mph thunderstorm wind gust.

Thunderstorm Wind in CRAWFORD, OHIO
From 07-JUL-17 06:20:00 to 07-JUL-17 06:20:00 (EST-5)
Location: BUCYRUS
Magnitude: 50.00 EG
Property damage: 12.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed a few trees and power lines.

Thunderstorm Wind in MEDINA, OHIO
From 07-JUL-17 07:00:00 to 07-JUL-17 07:00:00 (EST-5)
Location: MEDINA
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed several trees across Medina County.

Thunderstorm Wind in SUMMIT, OHIO
From 07-JUL-17 07:04:00 to 07-JUL-17 07:04:00 (EST-5)
Location: BATH
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed a tree along Granger Road.

Thunderstorm Wind in LORAIN, OHIO
From 07-JUL-17 06:18:00 to 07-JUL-17 06:30:00 (EST-5)
Location: ELYRIA
Magnitude: 50.00 EG
Property damage: 35.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm winds downed several trees across Lorain County.  A couple roads in the Elyria area were blocked by fallen trees.

Thunderstorm Wind in RICHLAND, OHIO
From 07-JUL-17 06:40:00 to 07-JUL-17 06:40:00 (EST-5)
Location: LEXINGTON
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds downed a large tree near Lexington.

Thunderstorm Wind in CUYAHOGA, OHIO
From 07-JUL-17 06:50:00 to 07-JUL-17 06:50:00 (EST-5)
Location: NORTH ROYALTON
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds downed a tree on Apollo Drive.

Hail in HANCOCK, OHIO
From 07-JUL-17 09:37:00 to 07-JUL-17 09:37:00 (EST-5)
Location: VANLUE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Penny to quarter sized hail was observed.

Hail in HANCOCK, OHIO
From 07-JUL-17 10:04:00 to 07-JUL-17 10:04:00 (EST-5)
Location: VAN BUREN
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Nickel sized hail was observed.

Hail in CRAWFORD, OHIO
From 07-JUL-17 11:24:00 to 07-JUL-17 11:24:00 (EST-5)
Location: BUCYRUS CRWFRD CO AR
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Nickel sized hail was observed just east of the Crawford County Airport.

Thunderstorm Wind in CRAWFORD, OHIO
From 07-JUL-17 11:21:00 to 07-JUL-17 11:21:00 (EST-5)
Location: BUCYRUS
Magnitude: 50.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed some trees and power lines over the southwestern portion of Crawford County.

Thunderstorm Wind in MARION, OHIO
From 07-JUL-17 11:35:00 to 07-JUL-17 11:35:00 (EST-5)
Location: CALEDONIA
Magnitude: 50.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds downed several trees and large limbs in the Caledonia area.

Thunderstorm Wind in WYANDOT, OHIO
From 07-JUL-17 11:00:00 to 07-JUL-17 11:00:00 (EST-5)
Location: NEVADA
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds snapped a large tree.

Thunderstorm Wind in KNOX, OHIO
From 07-JUL-17 12:20:00 to 07-JUL-17 12:30:00 (EST-5)
Location: MT VERNON
Magnitude: 50.00 EG
Property damage: 8.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed a few trees in the Mt. Vernon area.

Thunderstorm Wind in RICHLAND, OHIO
From 07-JUL-17 12:10:00 to 07-JUL-17 12:15:00 (EST-5)
Location: BUTLER
Magnitude: 50.00 EG
Property damage: 40.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds downed several trees and a couple utility poles in Worthington Township at the southeast end of Richland County.  Scattered power outages were reported in the area.

Hail in HANCOCK, OHIO
From 07-JUL-17 10:05:00 to 07-JUL-17 10:05:00 (EST-5)
Location: VAN BUREN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Post Office

Hail as large as quarters was reported.