Numerous showers and thunderstorms impacted central Pennsylvania on June 4, 2020. Individual cells formed over the central mountains during the afternoon hours, with some displaying supercellular nature. Splitting cells were observed, and there were numerous hail and damaging wind reports. This activity continued into the evening hours, while a separate, diminishing convective line of storms pushed into central Pennsylvania from the west.
One Flash Flood was reported during the evening in Schuylkill County.

Thunderstorm Wind in ADAMS, PENNSYLVANIA
From 04-JUN-20 16:29:00 to 04-JUN-20 16:29:00 (EST-5)
Location: RYDE
Magnitude: 52.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm producing winds estimated near 60 mph knocked down pine trees and damaged a shed north of Biglerville.

Hail in BEDFORD, PENNSYLVANIA
From 04-JUN-20 14:00:00 to 04-JUN-20 14:00:00 (EST-5)
Location: OSTERBURG
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm produced hail up to the size of quarters in Osterburg.

Hail in FULTON, PENNSYLVANIA
From 04-JUN-20 14:13:00 to 04-JUN-20 14:13:00 (EST-5)
Location: MC CONNELLSBURG
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm produced hail up to the size of ping-pong balls at the Fulton Medical Center, which was confirmed by video footage.

Hail in FULTON, PENNSYLVANIA
From 04-JUN-20 14:15:00 to 04-JUN-20 14:15:00 (EST-5)
Location: MC CONNELLSBURG
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm produced quarters-sized hail along Route 30 near McConnellsburg.

Hail in FULTON, PENNSYLVANIA
From 04-JUN-20 14:22:00 to 04-JUN-20 14:22:00 (EST-5)
Location: HARRISONVILLE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Other Federal Agency

A severe thunderstorm produced quarter-sized hail in Harrisonville.

Hail in FULTON, PENNSYLVANIA
From 04-JUN-20 14:28:00 to 04-JUN-20 14:28:00 (EST-5)
Location: WEBSTER MILL
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm produced hail up to the size of ping-pong balls in Ayr Township.

Hail in FULTON, PENNSYLVANIA
From 04-JUN-20 14:30:00 to 04-JUN-20 14:30:00 (EST-5)
Location: MC CONNELLSBURG
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Other Federal Agency

A severe thunderstorm produced quarter-sized hail that covered the ground at the post office in McConnellsburg.

Hail in FRANKLIN, PENNSYLVANIA
From 04-JUN-20 14:52:00 to 04-JUN-20 14:52:00 (EST-5)
Location: FT LOUDON
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A sub-severe thunderstorm produced hail up the to size of nickels near Fort Loudon.

Hail in CENTRE, PENNSYLVANIA
From 04-JUN-20 15:35:00 to 04-JUN-20 15:35:00 (EST-5)
Location: STATE COLLEGE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm produced hail up to the size of quarters in State College.

Hail in CENTRE, PENNSYLVANIA
From 04-JUN-20 15:36:00 to 04-JUN-20 15:36:00 (EST-5)
Location: STATE COLLEGE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A sub-severe thunderstorm produced penny-sized hail at the intersection of Whitehall Road and West College Avenue near State College.

Hail in CLINTON, PENNSYLVANIA
From 04-JUN-20 15:55:00 to 04-JUN-20 15:55:00 (EST-5)
Location: SOUTH RENOVO
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A sub-severe thunderstorm produced nickel-sized hail in Renovo.

Hail in YORK, PENNSYLVANIA
From 04-JUN-20 18:15:00 to 04-JUN-20 18:15:00 (EST-5)
Location: LOGANVILLE
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm produced ping-pong ball sized hail in Loganville.

Hail in YORK, PENNSYLVANIA
From 04-JUN-20 18:24:00 to 04-JUN-20 18:24:00 (EST-5)
Location: DALLASTOWN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm produced quarter-sized hail in Dallastown.

Thunderstorm Wind in PERRY, PENNSYLVANIA
From 04-JUN-20 15:34:00 to 04-JUN-20 15:34:00 (EST-5)
Location: WILA
Magnitude: 52.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: 911 Call Center

A severe thunderstorm producing winds estimated near 60 mph knocked down numerous trees across Trout Road near Newport.

Thunderstorm Wind in PERRY, PENNSYLVANIA
From 04-JUN-20 15:36:00 to 04-JUN-20 15:36:00 (EST-5)
Location: NEWPORT
Magnitude: 52.00 EG
Property damage: 8.00K
Crop damage: 0.00K
Reported by: 911 Call Center

A severe thunderstorm producing winds estimated near 60 mph knocked down numerous trees across Juniata Parkway near Newport, blocking the road and trapping a car.

Thunderstorm Wind in PERRY, PENNSYLVANIA
From 04-JUN-20 15:36:00 to 04-JUN-20 15:36:00 (EST-5)
Location: NEWPORT
Magnitude: 52.00 EG
Property damage: 8.00K
Crop damage: 0.00K
Reported by: 911 Call Center

A severe thunderstorm producing winds estimated near 60 mph knocked down numerous trees and wires across North 4th Street and Creek Road in Newport.

Thunderstorm Wind in FRANKLIN, PENNSYLVANIA
From 04-JUN-20 15:38:00 to 04-JUN-20 15:38:00 (EST-5)
Location: FAYETTEVILLE
Magnitude: 52.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Utility Company

A severe thunderstorm producing winds estimated near 60 mph knocked down trees onto wires east of Fayetteville.

Thunderstorm Wind in PERRY, PENNSYLVANIA
From 04-JUN-20 15:38:00 to 04-JUN-20 15:38:00 (EST-5)
Location: NEWPORT
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 Red Hill Road near Newport.

Thunderstorm Wind in CENTRE, PENNSYLVANIA
From 04-JUN-20 15:39:00 to 04-JUN-20 15:39:00 (EST-5)
Location: STATE COLLEGE
Magnitude: 43.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Public

A sub-severe thunderstorm producing winds estimated near 50 mph knocked down a tree onto a road in State College.

Thunderstorm Wind in PERRY, PENNSYLVANIA
From 04-JUN-20 15:48:00 to 04-JUN-20 15:48:00 (EST-5)
Location: MONTGOMERY FERRY
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 numerous trees near Amity Hall, including one on a home.

Thunderstorm Wind in ADAMS, PENNSYLVANIA
From 04-JUN-20 15:54:00 to 04-JUN-20 15:54:00 (EST-5)
Location: TRUST
Magnitude: 52.00 EG
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Utility Company

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

Thunderstorm Wind in PERRY, PENNSYLVANIA
From 04-JUN-20 15:54:00 to 04-JUN-20 15:54:00 (EST-5)
Location: MONTGOMERY FERRY
Magnitude: 52.00 EG
Property damage: 7.00K
Crop damage: 0.00K
Reported by: 911 Call Center

A severe thunderstorm producing winds estimated near 60 mph knocked down numerous trees an wires north of New Buffalo.

Thunderstorm Wind in ADAMS, PENNSYLVANIA
From 04-JUN-20 16:00:00 to 04-JUN-20 16:00:00 (EST-5)
Location: TRUST
Magnitude: 52.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm producing winds estimated near 60 mph knocked down multiple trees and blew part of a garage roof off north of Cashtown.

Thunderstorm Wind in DAUPHIN, PENNSYLVANIA
From 04-JUN-20 16:02:00 to 04-JUN-20 16:02:00 (EST-5)
Location: WAYNESVILLE
Magnitude: 52.00 EG
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Utility Company

A severe thunderstorm producing winds estimated near 60 mph knocked down trees onto wires east of Halifax.

Thunderstorm Wind in DAUPHIN, PENNSYLVANIA
From 04-JUN-20 16:08:00 to 04-JUN-20 16:08:00 (EST-5)
Location: WAYNESVILLE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

A severe thunderstorm producing winds estimated near 60 mph knocked down multiple trees in Wayne Township.

Thunderstorm Wind in DAUPHIN, PENNSYLVANIA
From 04-JUN-20 16:10:00 to 04-JUN-20 16:10:00 (EST-5)
Location: PIKETOWN
Magnitude: 52.00 EG
Property damage: 6.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm producing winds estimated near 60 mph knocked down multiple trees and wires across Route 443 near Manada Gap.

Thunderstorm Wind in DAUPHIN, PENNSYLVANIA
From 04-JUN-20 16:13:00 to 04-JUN-20 16:13:00 (EST-5)
Location: WAYNESVILLE
Magnitude: 52.00 EG
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Utility Company

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

Thunderstorm Wind in DAUPHIN, PENNSYLVANIA
From 04-JUN-20 16:17:00 to 04-JUN-20 16:17:00 (EST-5)
Location: INGLENOOK
Magnitude: 52.00 EG
Property damage: 6.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A severe thunderstorm producing winds estimated near 60 mph knocked down multiple trees onto wires northeast of Dauphin.

Thunderstorm Wind in ADAMS, PENNSYLVANIA
From 04-JUN-20 17:00:00 to 04-JUN-20 17:00:00 (EST-5)
Location: NEWCHESTER
Magnitude: 52.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A severe thunderstorm producing winds estimated near 60 mph blew a large storage barn across Dicks Dam Road southwest of Hampton.

Thunderstorm Wind in ADAMS, PENNSYLVANIA
From 04-JUN-20 16:27:00 to 04-JUN-20 16:27:00 (EST-5)
Location: ARENDTSVILLE
Magnitude: 52.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm producing winds estimated near 60 mph knocked down a tree onto wires in Arendtsville.

Thunderstorm Wind in FRANKLIN, PENNSYLVANIA
From 04-JUN-20 16:48:00 to 04-JUN-20 16:48:00 (EST-5)
Location: LEMASTERS
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 on Lemar Road near Lemasters.

Thunderstorm Wind in FULTON, PENNSYLVANIA
From 04-JUN-20 16:55:00 to 04-JUN-20 16:55:00 (EST-5)
Location: DOTT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

A severe thunderstorm producing winds estimated near 60 mph knocked down trees along Great Cover Road north of Warfordsburg.

Thunderstorm Wind in CENTRE, PENNSYLVANIA
From 04-JUN-20 17:00:00 to 04-JUN-20 17:00:00 (EST-5)
Location: PHILIPSBURG
Magnitude: 52.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm producing winds estimated near 60 mph knocked down trees and wires in North Philipsburg.

Thunderstorm Wind in FRANKLIN, PENNSYLVANIA
From 04-JUN-20 17:01:00 to 04-JUN-20 17:01:00 (EST-5)
Location: MARION
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 on Marion Road south of Chambersburg.

Thunderstorm Wind in LEBANON, PENNSYLVANIA
From 04-JUN-20 17:02:00 to 04-JUN-20 17:02:00 (EST-5)
Location: BUNKER HILL
Magnitude: 52.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm producing winds estimated near 60 mph knocked down a tree onto wires south of Jonestown.

Thunderstorm Wind in FRANKLIN, PENNSYLVANIA
From 04-JUN-20 17:03:00 to 04-JUN-20 17:03:00 (EST-5)
Location: CHAMBERSBURG
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 onto South Third Street in Chambersburg.

Thunderstorm Wind in FULTON, PENNSYLVANIA
From 04-JUN-20 17:03:00 to 04-JUN-20 17:03:00 (EST-5)
Location: GEM
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 Needmore.

Thunderstorm Wind in FRANKLIN, PENNSYLVANIA
From 04-JUN-20 17:09:00 to 04-JUN-20 17:09:00 (EST-5)
Location: CHAMBERSBURG MUNI AR
Magnitude: 52.00 EG
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Utility Company

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

Thunderstorm Wind in YORK, PENNSYLVANIA
From 04-JUN-20 17:33:00 to 04-JUN-20 17:33:00 (EST-5)
Location: HOLLZSWAM
Magnitude: 52.00 EG
Property damage: 8.00K
Crop damage: 0.00K
Reported by: Newspaper

A severe thunderstorm producing winds estimated near 60 mph knocked down numerous trees in East Berlin, including one on a home.

Thunderstorm Wind in FRANKLIN, PENNSYLVANIA
From 04-JUN-20 17:38:00 to 04-JUN-20 17:38:00 (EST-5)
Location: WILLOW HILL
Magnitude: 52.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: 911 Call Center

A severe thunderstorm producing winds estimated near 60 mph knocked down trees across Hill Road near Willow Hill.

Thunderstorm Wind in YORK, PENNSYLVANIA
From 04-JUN-20 17:47:00 to 04-JUN-20 17:47:00 (EST-5)
Location: BOTTS
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 a tree onto a home near Thomasville.

Thunderstorm Wind in CUMBERLAND, PENNSYLVANIA
From 04-JUN-20 17:48:00 to 04-JUN-20 17:48:00 (EST-5)
Location: GREASON
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 across Route 11 near Newville, closing the road.

Thunderstorm Wind in YORK, PENNSYLVANIA
From 04-JUN-20 17:50:00 to 04-JUN-20 17:50:00 (EST-5)
Location: NASHVILLE
Magnitude: 52.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: 911 Call Center

A severe thunderstorm producing winds estimated near 60 mph knocked down a tree and wires south of Thomasville.

Thunderstorm Wind in CUMBERLAND, PENNSYLVANIA
From 04-JUN-20 17:52:00 to 04-JUN-20 17:52:00 (EST-5)
Location: GREASON
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 a large tree onto a house near Plainfield.

Thunderstorm Wind in CUMBERLAND, PENNSYLVANIA
From 04-JUN-20 18:02:00 to 04-JUN-20 18:02:00 (EST-5)
Location: GETTYSBURG JCT
Magnitude: 52.00 EG
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Utility Company

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

Thunderstorm Wind in YORK, PENNSYLVANIA
From 04-JUN-20 18:02:00 to 04-JUN-20 18:02:00 (EST-5)
Location: NEW SALEM
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 south of New Salem.

Thunderstorm Wind in YORK, PENNSYLVANIA
From 04-JUN-20 18:03:00 to 04-JUN-20 18:03:00 (EST-5)
Location: NEW SALEM
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm producing winds estimated near 60 mph knocked down multiple trees south of New Salem.

Thunderstorm Wind in MIFFLIN, PENNSYLVANIA
From 04-JUN-20 18:15:00 to 04-JUN-20 18:15:00 (EST-5)
Location: NEWTON HAMILTON
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 in Wayne Township.

Thunderstorm Wind in YORK, PENNSYLVANIA
From 04-JUN-20 18:15:00 to 04-JUN-20 18:15:00 (EST-5)
Location: LOGANVILLE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm producing winds estimated near 60 mph knocked down and snapped several large trees in Loganville.

Thunderstorm Wind in CLEARFIELD, PENNSYLVANIA
From 04-JUN-20 18:32:00 to 04-JUN-20 18:32:00 (EST-5)
Location: OSHANTER
Magnitude: 52.00 EG
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Utility Company

A severe thunderstorm producing winds estimated near 60 mph knocked down trees on wires southeast of Curwensville.

Thunderstorm Wind in DAUPHIN, PENNSYLVANIA
From 04-JUN-20 18:32:00 to 04-JUN-20 18:32:00 (EST-5)
Location: HARRISBURG
Magnitude: 52.00 EG
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Utility Company

A severe thunderstorm producing winds estimated near 60 mph knocked down trees on wires east of Harrisburg.

Thunderstorm Wind in DAUPHIN, PENNSYLVANIA
From 04-JUN-20 19:21:00 to 04-JUN-20 19:21:00 (EST-5)
Location: PIKETOWN
Magnitude: 52.00 EG
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Utility Company

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

Thunderstorm Wind in LANCASTER, PENNSYLVANIA
From 04-JUN-20 19:31:00 to 04-JUN-20 19:31:00 (EST-5)
Location: CENTERVILLE
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 on Marietta Avenue north of Mountville.

Flash Flood in SCHUYLKILL, PENNSYLVANIA
From 04-JUN-20 17:55:00 to 04-JUN-20 20:15:00 (EST-5)
Location: PINE GLEN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

Heavy rainfall brought flash flooding to Pine Grove which resulted in several closed roads.