Strong to severe thunderstorms that produced damaging winds, large hail and a tornado affected Eastern Pennsylvania from the middle of the afternoon into the early evening on the 30th. Hardest hit were the Lehigh Valley which experienced a strong microburst and Chester County which experienced a tornado. A state of emergency was declared in Whitehall Township (Lehigh County).  Pennsylvania Power and Light reported about 11,000 of its customers lost power in the Lehigh Valley. Hardest hit by power outages included Whitehall and Catasauqua in Lehigh County and Hanover Township east through Lower Nazareth Township in Northampton County.  First Energy reported 4,000 of its customers lost power in Northampton County. Power was not fully restored until the night of July 1st. Heavy rain also caused some flash flooding in the Lehigh Valley and Poconos.  The most severe thunderstorms formed near a warm frontal boundary that slowly lifted northeast on the 30th.

Funnel Cloud in CHESTER, PENNSYLVANIA
From 30-JUN-15 14:17:00 to 30-JUN-15 14:17:00 (EST-5)
Location: FRAZIER
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A funnel cloud was photographed near Pennsylvania State Route 30 in West Goshen Township. While wind damage did occur in the township, the funnel cloud itself did not reach the ground.

Hail in LEHIGH, PENNSYLVANIA
From 30-JUN-15 13:25:00 to 30-JUN-15 13:25:00 (EST-5)
Location: OREFIELD
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm dropped golf ball size hail in Orefield.

Hail in LEHIGH, PENNSYLVANIA
From 30-JUN-15 13:33:00 to 30-JUN-15 13:33:00 (EST-5)
Location: COPLAY
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Nickel size hail fell in Coplay.

Thunderstorm Wind in NORTHAMPTON, PENNSYLVANIA
From 30-JUN-15 13:50:00 to 30-JUN-15 13:50:00 (EST-5)
Location: GEORGETOWN
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

A severe thunderstorm knocked down trees and wires and caused power outages in Upper Nazareth Township.

Hail in CHESTER, PENNSYLVANIA
From 30-JUN-15 13:55:00 to 30-JUN-15 13:55:00 (EST-5)
Location: THORNDALE
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Half dollar size hail fell over Thorndale during a severe thunderstorm.

Lightning in DELAWARE, PENNSYLVANIA
From 30-JUN-15 15:40:00 to 30-JUN-15 15:40:00 (EST-5)
Location: MORTON
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Newspaper

A lightning strike damaged a home's chimney on Orchard Avenue in Folsom Borough. The bricks fell to the ground, but there were no injuries.

Hail in NORTHAMPTON, PENNSYLVANIA
From 30-JUN-15 13:37:00 to 30-JUN-15 13:37:00 (EST-5)
Location: NORTH CATASAUGUA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm dropped quarter size hail in North Catasauqua Borough.

Hail in LEHIGH, PENNSYLVANIA
From 30-JUN-15 13:35:00 to 30-JUN-15 13:36:00 (EST-5)
Location: COPLAY
Magnitude: 1.75 
Property damage: 25.00K
Reported by: Social Media

In addition to the wind damage, a severe thunderstorm dropped golf ball size hail in Whitehall Township. Quarter size hail also fell in the Fullerton section of the township. Siding of homes was dented by the large hail.

Thunderstorm Wind in NORTHAMPTON, PENNSYLVANIA
From 30-JUN-15 13:40:00 to 30-JUN-15 13:40:00 (EST-5)
Location: NORTHAMPTON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

A severe thunderstorm knocked down trees and wires and caused power outages in Allen Township.

Thunderstorm Wind in NORTHAMPTON, PENNSYLVANIA
From 30-JUN-15 13:45:00 to 30-JUN-15 13:45:00 (EST-5)
Location: WEAVERSVILLE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

A severe thunderstorm knocked down trees and wires and caused power outages in East Allen Township. The southbound lanes of Airport Road (Pennsylvania State Route 987) were closed near Hanoverville Road.

Thunderstorm Wind in LEHIGH, PENNSYLVANIA
From 30-JUN-15 13:46:00 to 30-JUN-15 13:46:00 (EST-5)
Location: WEST CATASAUQUA
Magnitude: 53.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

A severe thunderstorm produced a wind gust of 61 mph at the Lehigh Valley International Airport.

Thunderstorm Wind in NORTHAMPTON, PENNSYLVANIA
From 30-JUN-15 13:35:00 to 30-JUN-15 13:35:00 (EST-5)
Location: SIEGFRIED
Magnitude: 61.00 EG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: 911 Call Center

A severe thunderstorm damaged a home as well as downed numerous trees in Northampton Borough.  Two people were uninjured, but trapped inside one building.

Thunderstorm Wind in CHESTER, PENNSYLVANIA
From 30-JUN-15 14:18:00 to 30-JUN-15 14:18:00 (EST-5)
Location: WEST CHESTER
Magnitude: 55.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A severe thunderstorm produced a wind gust of 63 mph in West Chester.

Thunderstorm Wind in CHESTER, PENNSYLVANIA
From 30-JUN-15 14:37:00 to 30-JUN-15 14:37:00 (EST-5)
Location: PHOENIXVILLE
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

A severe thunderstorm knocked down trees and wires in Phoenixville.

Thunderstorm Wind in LEHIGH, PENNSYLVANIA
From 30-JUN-15 13:34:00 to 30-JUN-15 13:34:00 (EST-5)
Location: MECHANICSVILLE
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

A severe thunderstorm knocked down several very large trees along Willow Street in North Whitehall Township.

Funnel Cloud in MONTGOMERY, PENNSYLVANIA
From 30-JUN-15 15:20:00 to 30-JUN-15 15:20:00 (EST-5)
Location: JARRETTOWN
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

A funnel cloud was sighted over Upper Dublin Township. The circulation did not reach the ground and no wind damage was reported from this phenomenon.

Thunderstorm Wind in NORTHAMPTON, PENNSYLVANIA
From 30-JUN-15 13:39:00 to 30-JUN-15 13:39:00 (EST-5)
Location: SHOENERSVILLE
Magnitude: 61.00 EG
Property damage: 200.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A severe thunderstorm damaged four to five homes as well as downed numerous trees in North Catasauqua Borough.  No serious injuries were reported.

Thunderstorm Wind in NORTHAMPTON, PENNSYLVANIA
From 30-JUN-15 13:47:00 to 30-JUN-15 13:47:00 (EST-5)
Location: PROSPECT HGTS
Magnitude: 56.00 EG
Property damage: 200.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A severe thunderstorm knocked down numerous trees and wires in Hanover Township. Airport Road (Pennsylvania State Route 987) was closed because of downed trees between Schoenersville Road and Orchard Lane. The township suffered the most tree damage of any municipality within the county.

Thunderstorm Wind in MONTGOMERY, PENNSYLVANIA
From 30-JUN-15 13:55:00 to 30-JUN-15 13:55:00 (EST-5)
Location: STOWE
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A Skywarn spotter measured a wind gust of 64 mph during a severe thunderstorm in Pottstown. Hail also fell.

Thunderstorm Wind in MONROE, PENNSYLVANIA
From 30-JUN-15 17:30:00 to 30-JUN-15 17:30:00 (EST-5)
Location: SNYDERSVILLE
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

A severe thunderstorm knocked down trees onto wires in Hamilton Township. Over 1,000 homes and businesses lost power in Monroe County.

Thunderstorm Wind in CHESTER, PENNSYLVANIA
From 30-JUN-15 14:17:00 to 30-JUN-15 14:17:00 (EST-5)
Location: WEST CHESTER ARPT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

A severe thunderstorm knocked down trees and wires in West Goshen Township.

Thunderstorm Wind in NORTHAMPTON, PENNSYLVANIA
From 30-JUN-15 14:00:00 to 30-JUN-15 14:00:00 (EST-5)
Location: STOCKERTOWN
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

In Tatamy Borough, Bushkill Street was closed because of downed trees caused by a severe thunderstorm. The severe thunderstorm knocked also knocked down poles along Newlins Mill Road.

Thunderstorm Wind in NORTHAMPTON, PENNSYLVANIA
From 30-JUN-15 14:01:00 to 30-JUN-15 14:01:00 (EST-5)
Location: EASTON ARPT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

A severe thunderstorm knocked down several trees and poles on the western side of Forks Township. Downed poles were reported along Bushkill Drive and Kesslerville Road.

Tornado in CHESTER, PENNSYLVANIA
From 30-JUN-15 13:11:00 to 30-JUN-15 13:13:00 (EST-5)
Location: SUPLEE
Tornado F-scale: EF1
Property damage: 250.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

An EF-1 tornado touched down in Honey Brook Township.  No injuries were reported, although several homes as well as numerous trees were damaged.  The tornado touched down near Given Road and moved northeast lifting near Talbotville Road.  Roof panels were torn from one home. A mobile home was unseated from its moorings. Two uninjured people were trapped within the mobile home and had to be rescued by the local fire department. A barn along Talbotville Road had its roof torn off and wall damaged during the storm. Farmstands were damaged along Talbotville Road. Numerous trees were uprooted or snapped along the damage path.  Debris was scattered across roadways and farm fields and included pieces of tin roofs as well as insulation.  Several roads were impassable because of downed trees and power lines.  The path length was approximately 0.7 of a mile, the maximum path width was estimated to be 100 yards and the estimated peak wind gust was 95 mph.

Funnel Cloud in CHESTER, PENNSYLVANIA
From 30-JUN-15 14:18:00 to 30-JUN-15 14:18:00 (EST-5)
Location: WEST CHESTER
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

A funnel cloud was seen over West Chester. While wind damage did occur, the funnel cloud itself did not reach the ground.

Funnel Cloud in BERKS, PENNSYLVANIA
From 30-JUN-15 13:15:00 to 30-JUN-15 13:15:00 (EST-5)
Location: MORGANTOWN
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

A funnel cloud was spotted over Morgantown. The funnel cloud did not touch down and cause any wind damage.

Thunderstorm Wind in LEHIGH, PENNSYLVANIA
From 30-JUN-15 13:36:00 to 30-JUN-15 13:37:00 (EST-5)
Location: WEST CATASAUQUA
Magnitude: 61.00 EG
Property damage: 250.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A microburst from a severe thunderstorm also affected northern parts of Catasauqua Borough. Numerous trees were knocked down. Several roadways even remained closed the next day as workers continued to remove trees and restore electric service. Hardest hit in the borough were locations from Strawberry Street northeast through Walnut and 14th Streets.

Thunderstorm Wind in LEHIGH, PENNSYLVANIA
From 30-JUN-15 13:37:00 to 30-JUN-15 13:37:00 (EST-5)
Location: COPLAY
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

A severe thunderstorm knocked down numerous trees in Coplay Borough.

Funnel Cloud in LEHIGH, PENNSYLVANIA
From 30-JUN-15 13:35:00 to 30-JUN-15 13:35:00 (EST-5)
Location: COPLAY
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

A funnel cloud sighted over Whitehall Township did not reach the ground, however a microburst still caused wind damage in the township.

Funnel Cloud in LEHIGH, PENNSYLVANIA
From 30-JUN-15 13:16:00 to 30-JUN-15 13:16:00 (EST-5)
Location: FOGELSVILLE
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained Skywarn spotter saw a funnel cloud over Fogelsville.  The funnel cloud did not touch down and cause any wind damage.

Funnel Cloud in LEHIGH, PENNSYLVANIA
From 30-JUN-15 13:17:00 to 30-JUN-15 13:17:00 (EST-5)
Location: TREXLERTOWN
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Another Skywarn spotter saw a funnel cloud over Trexletown.  The funnel cloud did not touch down and cause any wind damage.

Thunderstorm Wind in LEHIGH, PENNSYLVANIA
From 30-JUN-15 13:35:00 to 30-JUN-15 13:36:00 (EST-5)
Location: STILES
Magnitude: 70.00 EG
Property damage: 500.00K
Reported by: NWS Storm Survey

A strong microburst caused wind damage in Whitehall Township in and near the Stiles section of the township. Because of the wind damage, a township state of emergency was declared.  Numerous trees were knocked down and many roads were impassable due to the downed trees. The downed trees damaged twenty-nine homes and buildings. One building sustained major damage. The township advised residents to stay off the roads. Around 600 Pennsylvania, Power and Light customers within the township were still without power late in the evening on the 30th.  Some of the most significant crop damage occurred along Columbia Street where large sections of corn fields were flattened.