A cold front moved into a very warm and unstable air mass over central Pennsylvania, which triggered numerous severe thunderstorms during the afternoon and evening.

Thunderstorm Wind in PERRY, PENNSYLVANIA
From 07-JUL-12 18:35:00 to 07-JUL-12 18:35:00 (EST-5)
Location: SHERMANS DALE
Magnitude: 50.00 EG
Property damage: 5.00K
Reported by: State Official

Thunderstorm winds estimated near 60 mph knocked down trees and utility wires in Shermansdale.

Thunderstorm Wind in LANCASTER, PENNSYLVANIA
From 07-JUL-12 19:28:00 to 07-JUL-12 19:28:00 (EST-5)
Location: COLUMBIA
Magnitude: 50.00 EG
Property damage: 5.00K
Reported by: State Official

Thunderstorm winds estimated near 60 mph knocked down trees in Columbia.

Thunderstorm Wind in HUNTINGDON, PENNSYLVANIA
From 07-JUL-12 17:28:00 to 07-JUL-12 17:28:00 (EST-5)
Location: ALLENPORT
Magnitude: 50.00 EG
Property damage: 5.00K
Reported by: Public

Thunderstorm winds estimated near 60 mph knocked down trees just south of Mount Union.

Thunderstorm Wind in LANCASTER, PENNSYLVANIA
From 07-JUL-12 19:40:00 to 07-JUL-12 19:40:00 (EST-5)
Location: MILLERSVILLE
Magnitude: 50.00 EG
Property damage: 5.00K
Reported by: Public

Thunderstorm winds estimated near 60 mph uprooted a tree and damaged a gazebo and shed in Millersville.

Hail in MCKEAN, PENNSYLVANIA
From 07-JUL-12 13:55:00 to 07-JUL-12 13:55:00 (EST-5)
Location: PORT ALLEGANY
Magnitude: 1.00 
Reported by: Public

Quarter size hail reported in Port Allegany.

Hail in POTTER, PENNSYLVANIA
From 07-JUL-12 13:55:00 to 07-JUL-12 13:55:00 (EST-5)
Location: HICKOX
Magnitude: 1.00 
Reported by: Public

Quarter size hail reported northwest of Ulysses.

Hail in MCKEAN, PENNSYLVANIA
From 07-JUL-12 14:00:00 to 07-JUL-12 14:00:00 (EST-5)
Location: TURTLEPOINT
Magnitude: 1.75 
Reported by: Public

Golf ball size hail reported in Turtlepoint.

Hail in LYCOMING, PENNSYLVANIA
From 07-JUL-12 15:24:00 to 07-JUL-12 15:24:00 (EST-5)
Location: NEWBERRY
Magnitude: 0.88 
Reported by: COOP Observer

Nickel size hail reported in Williamsport.

Hail in LYCOMING, PENNSYLVANIA
From 07-JUL-12 15:26:00 to 07-JUL-12 15:26:00 (EST-5)
Location: NEWBERRY
Magnitude: 1.00 
Reported by: Trained Spotter

Quarter size hail reported in Williamsport.

Hail in LANCASTER, PENNSYLVANIA
From 07-JUL-12 19:42:00 to 07-JUL-12 19:42:00 (EST-5)
Location: HAMILTON PARK
Magnitude: 1.00 
Property damage: 0.00K
Reported by: Public

Quarter size hail reported in Lancaster.

Hail in LANCASTER, PENNSYLVANIA
From 07-JUL-12 19:47:00 to 07-JUL-12 19:47:00 (EST-5)
Location: HAMILTON PARK
Magnitude: 1.25 
Reported by: Public

Half-dollar size hail reported in Lancaster.

Hail in LANCASTER, PENNSYLVANIA
From 07-JUL-12 19:49:00 to 07-JUL-12 19:49:00 (EST-5)
Location: HAMILTON PARK
Magnitude: 0.75 
Reported by: Public

Penny size hail reported in Lancaster.

Thunderstorm Wind in YORK, PENNSYLVANIA
From 07-JUL-12 18:52:00 to 07-JUL-12 18:52:00 (EST-5)
Location: YORK
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm winds estimated near 60 mph knocked down trees and large branches in York.

Hail in LYCOMING, PENNSYLVANIA
From 07-JUL-12 15:30:00 to 07-JUL-12 15:30:00 (EST-5)
Location: (IPT)WILLIAMSPORT AR
Magnitude: 0.75 
Reported by: Public

Penny size hail reported in Montoursville.

Hail in SCHUYLKILL, PENNSYLVANIA
From 07-JUL-12 16:49:00 to 07-JUL-12 16:49:00 (EST-5)
Location: PINE GLEN
Magnitude: 0.75 
Reported by: Public

Penny size hail reported in Pine Grove.

Hail in LEBANON, PENNSYLVANIA
From 07-JUL-12 17:11:00 to 07-JUL-12 17:11:00 (EST-5)
Location: LEBANON
Magnitude: 0.75 
Reported by: Public

Penny size hail reported in Lebanon.

Hail in DAUPHIN, PENNSYLVANIA
From 07-JUL-12 19:00:00 to 07-JUL-12 19:00:00 (EST-5)
Location: LAWNTON
Magnitude: 0.75 
Reported by: Trained Spotter

Penny size hail reported in Lawnton.

Hail in LANCASTER, PENNSYLVANIA
From 07-JUL-12 19:52:00 to 07-JUL-12 19:52:00 (EST-5)
Location: STRASBURG
Magnitude: 1.00 
Reported by: Trained Spotter

Dime to quarter size hail reported in Strasburg.

Thunderstorm Wind in MCKEAN, PENNSYLVANIA
From 07-JUL-12 13:40:00 to 07-JUL-12 13:40:00 (EST-5)
Location: DUKE CENTER
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm winds estimated near 60 mph knocked down trees in Duke Center.

Thunderstorm Wind in POTTER, PENNSYLVANIA
From 07-JUL-12 14:05:00 to 07-JUL-12 14:05:00 (EST-5)
Location: LEWISVILLE
Magnitude: 65.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds estimated near 75 mph knocked down several large trees and limbs in Ulysses.

Thunderstorm Wind in NORTHUMBERLAND, PENNSYLVANIA
From 07-JUL-12 15:45:00 to 07-JUL-12 15:45:00 (EST-5)
Location: WATSONTOWN
Magnitude: 50.00 EG
Property damage: 10.00K
Reported by: State Official

Thunderstorm winds estimated near 60 mph knocked down trees in Watsontown. One tree fell onto a car.

Thunderstorm Wind in COLUMBIA, PENNSYLVANIA
From 07-JUL-12 15:48:00 to 07-JUL-12 15:48:00 (EST-5)
Location: BENTON
Magnitude: 50.00 EG
Property damage: 5.00K
Reported by: State Official

Thunderstorm winds estimated near 60 mph knocked down numerous trees across the northern part of Columbia county, including the Benton area.

Thunderstorm Wind in UNION, PENNSYLVANIA
From 07-JUL-12 16:05:00 to 07-JUL-12 16:05:00 (EST-5)
Location: MIFFLINBURG
Magnitude: 50.00 EG
Property damage: 5.00K
Reported by: State Official

Thunderstorm winds estimated near 60 mph knocked down trees and utility wires near Mifflinburg. One person was injured by the live wires.

Thunderstorm Wind in JUNIATA, PENNSYLVANIA
From 07-JUL-12 17:55:00 to 07-JUL-12 17:55:00 (EST-5)
Location: EAST WATERFORD
Magnitude: 50.00 EG
Property damage: 5.00K
Reported by: State Official

Thunderstorm winds estimated near 60 mph knocked down trees and wires in East Waterford.

Thunderstorm Wind in JUNIATA, PENNSYLVANIA
From 07-JUL-12 18:00:00 to 07-JUL-12 18:00:00 (EST-5)
Location: MC COYSVILLE
Magnitude: 50.00 EG
Property damage: 5.00K
Reported by: State Official

Thunderstorm winds estimated near 60 mph knocked down trees and utility wires near Honey Grove.

Thunderstorm Wind in JUNIATA, PENNSYLVANIA
From 07-JUL-12 18:20:00 to 07-JUL-12 18:20:00 (EST-5)
Location: PORT ROYAL
Magnitude: 50.00 EG
Property damage: 5.00K
Reported by: State Official

Thunderstorm winds estimated near 60 mph knocked down trees and utility wires near Port Royal.

Thunderstorm Wind in YORK, PENNSYLVANIA
From 07-JUL-12 19:05:00 to 07-JUL-12 19:05:00 (EST-5)
Location: YORK
Magnitude: 50.00 EG
Property damage: 5.00K
Reported by: State Official

Thunderstorm winds estimated near 60 mph knocked down trees in York.

Thunderstorm Wind in CENTRE, PENNSYLVANIA
From 07-JUL-12 15:57:00 to 07-JUL-12 15:57:00 (EST-5)
Location: HOWARD
Magnitude: 50.00 EG
Property damage: 5.00K
Reported by: Trained Spotter

Thunderstorm winds estimated near 60 mph knocked down trees and large limbs near Howard.

Thunderstorm Wind in TIOGA, PENNSYLVANIA
From 07-JUL-12 14:25:00 to 07-JUL-12 14:25:00 (EST-5)
Location: ANSONIA
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: State Official

Thunderstorm winds estimated near 60 mph knocked down numerous trees and utility wires between Wellsboro and Galeton.

Thunderstorm Wind in TIOGA, PENNSYLVANIA
From 07-JUL-12 14:46:00 to 07-JUL-12 14:46:00 (EST-5)
Location: SEBRING
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: State Official

Thunderstorm winds estimated near 60 mph knocked down trees in Liberty Township near Blossburg.

Thunderstorm Wind in CLINTON, PENNSYLVANIA
From 07-JUL-12 15:00:00 to 07-JUL-12 15:00:00 (EST-5)
Location: SOUTH RENOVO
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: State Official

Thunderstorm winds estimated near 60 mph knocked down trees in Renovo.

Thunderstorm Wind in LYCOMING, PENNSYLVANIA
From 07-JUL-12 15:18:00 to 07-JUL-12 15:18:00 (EST-5)
Location: LOYALSOCKVILLE
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm winds estimated near 60 mph knocked down trees Loyalsockville.

Thunderstorm Wind in LYCOMING, PENNSYLVANIA
From 07-JUL-12 15:23:00 to 07-JUL-12 15:23:00 (EST-5)
Location: PICTURE ROCKS
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds estimated near 60 mph knocked down numerous trees in Picture Rocks.

Thunderstorm Wind in LYCOMING, PENNSYLVANIA
From 07-JUL-12 15:27:00 to 07-JUL-12 15:27:00 (EST-5)
Location: (IPT)WILLIAMSPORT AR
Magnitude: 50.00 MG
Reported by: ASOS

The Williamsport Regional Airport ASOS (KIPT) recorded a peak thunderstorm wind gust of 50 knots or 58 mph.

Thunderstorm Wind in CLEARFIELD, PENNSYLVANIA
From 07-JUL-12 16:55:00 to 07-JUL-12 16:55:00 (EST-5)
Location: TROUTVILLE
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: State Official

Thunderstorm winds estimated near 60 mph knocked down trees in Troutville.

Thunderstorm Wind in HUNTINGDON, PENNSYLVANIA
From 07-JUL-12 17:15:00 to 07-JUL-12 17:15:00 (EST-5)
Location: CALVIN
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: State Official

Thunderstorm winds estimated near 60 mph knocked down trees near Birdville.

Thunderstorm Wind in SCHUYLKILL, PENNSYLVANIA
From 07-JUL-12 16:25:00 to 07-JUL-12 16:25:00 (EST-5)
Location: GINTHER
Magnitude: 50.00 EG
Property damage: 5.00K
Reported by: State Official

Thunderstorm winds estimated near 60 mph knocked down numerous trees in Ryan and Rush Townships near Tamaqua.

Thunderstorm Wind in SCHUYLKILL, PENNSYLVANIA
From 07-JUL-12 16:47:00 to 07-JUL-12 16:47:00 (EST-5)
Location: PINE GLEN
Magnitude: 50.00 EG
Property damage: 5.00K
Reported by: State Official

Thunderstorm winds estimated near 60 mph knocked down trees in Pine Grove Township.

Thunderstorm Wind in BLAIR, PENNSYLVANIA
From 07-JUL-12 16:58:00 to 07-JUL-12 16:58:00 (EST-5)
Location: HOLIDAYSBURG
Magnitude: 50.00 EG
Property damage: 10.00K
Reported by: State Official

Thunderstorm winds estimated near 60 mph knocked down over 100 trees south of Altoona near Hollidaysburg.

Thunderstorm Wind in PERRY, PENNSYLVANIA
From 07-JUL-12 17:25:00 to 07-JUL-12 17:25:00 (EST-5)
Location: NEWPORT
Magnitude: 50.00 EG
Property damage: 5.00K
Reported by: State Official

Thunderstorm winds estimated near 60 mph knocked down trees and utility wires in Newport.

Thunderstorm Wind in LYCOMING, PENNSYLVANIA
From 07-JUL-12 15:25:00 to 07-JUL-12 15:25:00 (EST-5)
Location: WILLIAMSPORT
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds estimated near 60 mph knocked down trees and utility wires at the intersection of Sheridan and Eldred Streets in Williamsport. Some trees fell on houses causing structural damage.

Hail in PERRY, PENNSYLVANIA
From 07-JUL-12 17:28:00 to 07-JUL-12 17:28:00 (EST-5)
Location: NEW BUFFALO
Magnitude: 1.00 
Reported by: Public

Penny size hail reported near Amity Hall.