A small cluster of strong to severe thunderstorms led to isolated instances of large hail, flash flooding, and tree damage in Johnson and Floyd counties during the overnight hours of May 11th.

Thunderstorm Wind in JOHNSON, KENTUCKY
From 11-MAY-11 01:15:00 to 11-MAY-11 01:20:00 (EST-5)
Location: SITKA
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A tree was blown down in Sitka or about a mile west of Galen.

Hail in JOHNSON, KENTUCKY
From 11-MAY-11 01:20:00 to 11-MAY-11 01:25:00 (EST-5)
Location: PAINTSVILLE
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in JOHNSON, KENTUCKY
From 11-MAY-11 01:28:00 to 11-MAY-11 01:32:00 (EST-5)
Location: PAINTSVILLE
Magnitude: 1.00 
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Quarter size hail was reported by law enforcement officers who were on a foot pursuit in the Paintsville area. The hail dented cars in the area.

Flash Flood in JOHNSON, KENTUCKY
From 11-MAY-11 01:50:00 to 11-MAY-11 03:50:00 (EST-5)
Location: KERZ
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Flood damage occurred to a residence in the Kerz area along KY 201 and another home on Puncheon Creek.

Flood in FLOYD, KENTUCKY
From 11-MAY-11 04:30:00 to 11-MAY-11 07:30:00 (EST-5)
Location: WEST PRESTONSBURG
Flood cause: Heavy Rain
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hwy 1427, also known as Abbott Creek Road, had one and one and a half feet of water flowing over it three miles from the junction with Hwy 23.

Thunderstorm Wind in JOHNSON, KENTUCKY
From 11-MAY-11 01:25:00 to 11-MAY-11 01:35:00 (EST-5)
Location: OIL SPGS
Magnitude: 52.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Law Enforcement

The roof of the old Oil Springs High School building was blown off by thunderstorm wind gusts.

Flash Flood in JOHNSON, KENTUCKY
From 11-MAY-11 03:17:00 to 11-MAY-11 03:17:00 (EST-5)
Location: ELNA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Two feet of water was across one lane of Hwy 172 at Flat Gap.

Flash Flood in ELLIOTT, KENTUCKY
From 11-MAY-11 03:15:00 to 11-MAY-11 04:30:00 (EST-5)
Location: FANNIN
Flood cause: Heavy Rain
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Numerous locations along Hwy 706 were under water with foot bridges washed out and other extensive damage 3 miles east of Sandy Hook.

Flash Flood in JOHNSON, KENTUCKY
From 11-MAY-11 01:15:00 to 11-MAY-11 04:30:00 (EST-5)
Location: VOLGA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Flash flooding occurred in Sitka, Nippa, and Tutor Key.

Flash Flood in JOHNSON, KENTUCKY
From 11-MAY-11 01:40:00 to 11-MAY-11 04:30:00 (EST-5)
Location: ELNA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Flash flooding occurred in Red Bush.

Flash Flood in FLOYD, KENTUCKY
From 11-MAY-11 01:45:00 to 11-MAY-11 04:30:00 (EST-5)
Location: WHITAKER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Numerous roads were closed county wide due to flash flooding.

Flash Flood in JOHNSON, KENTUCKY
From 11-MAY-11 03:17:00 to 11-MAY-11 03:17:00 (EST-5)
Location: WITTENSVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Eighteen inches of water were flowing across McKenzie Rd 2 miles north of Paintsville.