Scattered thunderstorms developed in a warm and very humid airmass across central Pennsylvania during the late afternoon and evening of June 15, 2017. These storms produced a handful of reports of wind damage across the western highlands of Pennsylvania.  Johnstown reported 1.85 of rain in 20 minutes which resulted in localized flash flooding.

Thunderstorm Wind in BLAIR, PENNSYLVANIA
From 15-JUN-17 18:20:00 to 15-JUN-17 18:20:00 (EST-5)
Location: BENNINGTON
Magnitude: 52.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: 911 Call Center

A severe thunderstorm producing winds estimated near 60 mph knocked down a tree across a roadway.

Thunderstorm Wind in CLEARFIELD, PENNSYLVANIA
From 15-JUN-17 17:08:00 to 15-JUN-17 17:08:00 (EST-5)
Location: HOMECAMP
Magnitude: 52.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: 911 Call Center

A severe thunderstorm producing winds estimated near 60 mph knocked down tree and wires along Home Camp Road in Union Township.

Thunderstorm Wind in CAMBRIA, PENNSYLVANIA
From 15-JUN-17 17:22:00 to 15-JUN-17 17:22:00 (EST-5)
Location: DAISYTOWN
Magnitude: 52.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

A severe thunderstorm producing winds estimated near 60 mph knocked down a tree and wires on Ash Street.

Thunderstorm Wind in BLAIR, PENNSYLVANIA
From 15-JUN-17 18:25:00 to 15-JUN-17 18:25:00 (EST-5)
Location: CHARLOTTSVILLE
Magnitude: 52.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: 911 Call Center

A severe thunderstorm producing winds estimated near 60 mph knocked down a tree across a roadway.

Flash Flood in BLAIR, PENNSYLVANIA
From 15-JUN-17 20:54:00 to 15-JUN-17 22:15:00 (EST-5)
Location: RESERVOIR
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

Heavy rain produced an earth slide on Dunnings Highway near Showalters Road.

Flash Flood in CENTRE, PENNSYLVANIA
From 16-JUN-17 16:15:00 to 16-JUN-17 19:00:00 (EST-5)
Location: ZION
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Flash flooding occurred, impacting Zion Back Road in Walker Township.

Flash Flood in CAMBRIA, PENNSYLVANIA
From 16-JUN-17 16:36:00 to 16-JUN-17 18:30:00 (EST-5)
Location: WESTWOOD
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

Similar to the flash flood the night before, Johnstown received 1.16 inches of rain in 15 minutes.  This brief downburst produced more localized flash flooding in the Johnstown area.   Several roads were closed and basements were flooded.

Flash Flood in CAMBRIA, PENNSYLVANIA
From 15-JUN-17 18:21:00 to 15-JUN-17 20:45:00 (EST-5)
Location: (JST)JOHNSTOWN ARPT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A twenty minute rainfall total of 1.85 inches was reported at Johnstown.  This brought rapid flash flooding to the area.  Most of the flooding occurred in Johnstown, with reports of flooding in Upper Yoder Township, Southmont and Westmont.  No injuries were reported.  A car was trapped in the flooding with several people inside it on Iron Street. The occupants escaped the waters before emergency help arrived.  In additions to numerous flooded roadways, many basements flooded as well.  A sampling of roads flooded included Mount Airy Drive in Richland Township, Fairfield Avenue, Grove Avenue, and Osborne Street in Johnstown.  Gilbert Street in Brownstown and Berkley Road in Upper Yoder Township.