Scattered showers and storms developed in a moderate CAPE / moderate shear environment across the middle Susquehanna Valley, and a handful of wind damage reports were received from this area. Additionally, an isolated supercell produced a brief EF0 tornado formed near Klines Grove in Northumberland County.  Flash Flooding occurred in Montour, Columbia and Northumberland Counties.

Thunderstorm Wind in SCHUYLKILL, PENNSYLVANIA
From 24-JUL-17 16:03:00 to 24-JUL-17 16:03:00 (EST-5)
Location: BRANDONVILLE
Magnitude: 52.00 EG
Property damage: 4.00K
Crop damage: 0.00K
Reported by: 911 Call Center

A severe thunderstorm producing winds estimated near 60 mph knocked down trees and wires near Brandonville.

Thunderstorm Wind in COLUMBIA, PENNSYLVANIA
From 24-JUL-17 15:26:00 to 24-JUL-17 15:26:00 (EST-5)
Location: NUMIDIA
Magnitude: 52.00 EG
Property damage: 4.00K
Crop damage: 0.00K
Reported by: 911 Call Center

A severe thunderstorm producing winds estimated near 60 mph knocked down trees and wires along Happy Valley Road.

Thunderstorm Wind in NORTHUMBERLAND, PENNSYLVANIA
From 24-JUL-17 15:14:00 to 24-JUL-17 15:14:00 (EST-5)
Location: REED
Magnitude: 52.00 EG
Property damage: 4.00K
Crop damage: 0.00K
Reported by: 911 Call Center

A severe thunderstorm producing winds estimated near 60 mph knocked down trees and wires west of Elysburg.

Thunderstorm Wind in MONTOUR, PENNSYLVANIA
From 24-JUL-17 14:40:00 to 24-JUL-17 14:40:00 (EST-5)
Location: MOORESBURG
Magnitude: 52.00 EG
Property damage: 8.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A severe thunderstorm producing winds estimated near 60 mph knocked down trees and wires across Montour County.

Thunderstorm Wind in MONTOUR, PENNSYLVANIA
From 24-JUL-17 15:10:00 to 24-JUL-17 15:10:00 (EST-5)
Location: DANVILLE
Magnitude: 52.00 EG
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A severe thunderstorm producing winds estimated near 60 mph knocked down trees and wires along Route 11 in Danville.

Thunderstorm Wind in COLUMBIA, PENNSYLVANIA
From 24-JUL-17 15:14:00 to 24-JUL-17 15:14:00 (EST-5)
Location: RUPERT
Magnitude: 52.00 EG
Property damage: 4.00K
Crop damage: 0.00K
Reported by: 911 Call Center

A severe thunderstorm producing winds estimated near 60 mph knocked down trees and wires across Rupert Drive at Train Street.

Flash Flood in MONTOUR, PENNSYLVANIA
From 24-JUL-17 16:15:00 to 24-JUL-17 18:45:00 (EST-5)
Location: MANSDALE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Roads were reported flooded in Mooresburg and elsewhere across Montour County.  Mudslides were also reported.    US 11 and SR 54 was reported closed due to flash flooding.  Railroads were also reported closed due to flooded railroad crossings.  A section of the railroad bed was washed out on River Road.

Flash Flood in COLUMBIA, PENNSYLVANIA
From 24-JUL-17 17:00:00 to 24-JUL-17 18:45:00 (EST-5)
Location: CATAWISSA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

Flash flooding on Mt. Zion Road lead to a car being submerged and a resulting water rescue.  Knoebels Amusement Park closed at 7pm due to flooding in the park.