An upper level wave moving along a stalled front initiated thunderstorms that produced flash flooding and 2 weak tornadoes.

Flash Flood in MERCER, PENNSYLVANIA
From 21-AUG-14 15:25:00 to 21-AUG-14 17:15:00 (EST-5)
Location: HENLEIN
Flood cause: Heavy Rain
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Public

The public reported flash floding with water up to homes.

Flash Flood in MERCER, PENNSYLVANIA
From 21-AUG-14 15:40:00 to 21-AUG-14 17:00:00 (EST-5)
Location: HENLEIN
Flood cause: Heavy Rain
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported flash flooding on several portions Route 58.

Flash Flood in JEFFERSON, PENNSYLVANIA
From 21-AUG-14 15:41:00 to 21-AUG-14 17:30:00 (EST-5)
Location: BROOKVILLE
Flood cause: Heavy Rain
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported flash flooding with 2 feet of water flowing across Route 322 between Brookville and Reynoldsville.

Flash Flood in JEFFERSON, PENNSYLVANIA
From 21-AUG-14 15:42:00 to 21-AUG-14 17:45:00 (EST-5)
Location: BROOKVILLE
Flood cause: Heavy Rain
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported 2 feet of water flowing across the roadway.

Flash Flood in JEFFERSON, PENNSYLVANIA
From 21-AUG-14 15:45:00 to 21-AUG-14 17:45:00 (EST-5)
Location: BAXTER
Flood cause: Heavy Rain
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported water up to 2 feet flowing in portions of town.

Flash Flood in JEFFERSON, PENNSYLVANIA
From 21-AUG-14 16:14:00 to 21-AUG-14 18:00:00 (EST-5)
Location: CRAMER
Flood cause: Heavy Rain
Property damage: 25.00K
Crop damage: 0.00K
Reported by: State Official

The 911 Call Center reported parts of Route 119 closed due to flash flooding.

Heavy Rain in MERCER, PENNSYLVANIA
From 21-AUG-14 16:00:00 to 21-AUG-14 16:00:00 (EST-5)
Location: HENLEIN
Crop damage: 0.00K
Reported by: CoCoRaHS

A spotter reported 2.19 inches of rain fell in just over 2 hours.

Tornado in JEFFERSON, PENNSYLVANIA
From 21-AUG-14 15:27:00 to 21-AUG-14 15:35:00 (EST-5)
Location: KNOX DALE
Tornado F-scale: EF0
Property damage: 0.50K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A NWS damage survey found an EF-0 tornado occurred southeast of Knox dale to 1 mile east of Anita. The tornado was on the ground sporadically for around 5 miles, with a path width of 50 yards. Maximum winds were estimated at 80 MPH. No structural damage was noted but hardwood trees were damaged.

Tornado in JEFFERSON, PENNSYLVANIA
From 21-AUG-14 15:25:00 to 21-AUG-14 15:26:00 (EST-5)
Location: KNOX DALE
Tornado F-scale: EF0
Property damage: 0.50K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A brief EF-0 tornado was found from near Fuller and Center Roads to near the State Game Lands. Maximum estimated winds were 80 MPH with a path width of 20 yards. Damage was limited to hardwood trees with no structural damage.

Flash Flood in MERCER, PENNSYLVANIA
From 21-AUG-14 14:38:00 to 21-AUG-14 16:00:00 (EST-5)
Location: HENLEIN
Flood cause: Heavy Rain
Property damage: 25.00K
Crop damage: 0.00K
Reported by: State Official

The 911 Call Center reported a vehicle caught in flash flooding with a driver rescued.