A vigorous upper air disturbance in the northwest flow behind the cold front still had sufficient moisture to develop strong to severe thunderstorms across Pennsylvania and New Jersey during the afternoon and the evening of the 17th.

Hail in SOMERSET, NEW JERSEY
From 17-AUG-07 17:15:00 to 17-AUG-07 17:15:00 (EST-5)
Location: WOODS TAVERN
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

For the second time in the same day, large hail fell in Hillsborough Township. In this instance, the severe storm dropped penny to walnut size hail.

Hail in HUNTERDON, NEW JERSEY
From 17-AUG-07 14:00:00 to 17-AUG-07 14:15:00 (EST-5)
Location: FRENCHTOWN
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 100.00K
Reported by: Trained Spotter

A severe thunderstorm dropped a swath of hail across central Hunterdon County. The largest hail (golf ball size) fell in Frenchtown Borough. Quarter size hail fell in Raritan Township. Penny size hail fell in Clinton and Flemington. The worst reported crop damage from the large hail occurred in Pittstown (Franklin Township). Hail bruised about 80 percent of the tomato crop that the 17th annual Great Tomato Tasting Contest was cancelled.

Thunderstorm Wind in MIDDLESEX, NEW JERSEY
From 17-AUG-07 17:25:00 to 17-AUG-07 17:25:00 (EST-5)
Location: PATRICKS CORNER
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A severe thunderstorm tore down trees in East Brunswick Township.

Thunderstorm Wind in BURLINGTON, NEW JERSEY
From 17-AUG-07 20:00:00 to 17-AUG-07 20:00:00 (EST-5)
Location: MEDFORD LAKES
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A severe thunderstorm tore down a few trees and wires in Medford Lakes Borough.

Thunderstorm Wind in MONMOUTH, NEW JERSEY
From 17-AUG-07 17:50:00 to 17-AUG-07 18:07:00 (EST-5)
Location: HOLMDEL
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A severe thunderstorm knocked down several trees and wires from Holmdel through Deal Borough in Monmouth County. In Keansburg, a downed tree limb also took down with it some wires. A fire ensued and spread along the electrical lines into a house. The house suffered smoke damage.

Thunderstorm Wind in WARREN, NEW JERSEY
From 17-AUG-07 13:45:00 to 17-AUG-07 13:45:00 (EST-5)
Location: LOWER HARMONY
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A severe thunderstorm knocked down several trees and wires in Franklin and Harmony Townships.

Thunderstorm Wind in HUNTERDON, NEW JERSEY
From 17-AUG-07 14:10:00 to 17-AUG-07 14:10:00 (EST-5)
Location: CHERRYVILLE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

The same severe thunderstorm that caused a swath of hail across Hunterdon County also knocked down trees and wires in Franklin Township.

Hail in WARREN, NEW JERSEY
From 17-AUG-07 14:35:00 to 17-AUG-07 14:35:00 (EST-5)
Location: CHANGEWATER
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Penny size hail fell in Washington Township.

Thunderstorm Wind in SOMERSET, NEW JERSEY
From 17-AUG-07 14:40:00 to 17-AUG-07 14:40:00 (EST-5)
Location: RARITAN
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

In addition to the large hail, the severe thunderstorm tore down a few trees and wires in Raritan Borough.

Hail in SOMERSET, NEW JERSEY
From 17-AUG-07 14:38:00 to 17-AUG-07 14:38:00 (EST-5)
Location: FLAGTOWN
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Golf ball size hail fell from a severe thunderstorm in Hillsborough Township. The hail nearly covered the ground.

Thunderstorm Wind in MORRIS, NEW JERSEY
From 17-AUG-07 15:56:00 to 17-AUG-07 15:56:00 (EST-5)
Location: MORRISTOWN
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A severe thunderstorm pulled down several trees in Morristown.

Thunderstorm Wind in MONMOUTH, NEW JERSEY
From 17-AUG-07 18:50:00 to 17-AUG-07 19:10:00 (EST-5)
Location: FREEHOLD
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A severe thunderstorm knocked down several trees and wires from Freehold Township southeast through Manasquan Borough in Monmouth County.

Hail in MONMOUTH, NEW JERSEY
From 17-AUG-07 18:02:00 to 17-AUG-07 18:02:00 (EST-5)
Location: OAKHURST
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Nickel to quarter size hail fell in Oakhurst Borough.

Thunderstorm Wind in MONMOUTH, NEW JERSEY
From 17-AUG-07 15:11:00 to 17-AUG-07 15:11:00 (EST-5)
Location: MONMOUTH BEACH
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A severe thunderstorm knoced down a few trees and wires in Monmouth Beach Borough.