The combination of another upper air disturbance and a weak surface trough triggered a line of strong to severe thunderstorms that affected New Jersey during the late afternoon and early evening of the 19th.

Hail in MORRIS, NEW JERSEY
From 19-AUG-11 17:40:00 to 19-AUG-11 17:40:00 (EST-5)
Location: MADISON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm dropped quarter size hail in Madison Township.

Hail in MORRIS, NEW JERSEY
From 19-AUG-11 17:23:00 to 19-AUG-11 17:23:00 (EST-5)
Location: MORRISTOWN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm dropped penny to quarter size hail in Morristown.

Thunderstorm Wind in HUNTERDON, NEW JERSEY
From 19-AUG-11 17:00:00 to 19-AUG-11 17:00:00 (EST-5)
Location: CALIFON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A severe thunderstorm knocked down a few trees in the northern part of Hunterdon County.

Thunderstorm Wind in SOMERSET, NEW JERSEY
From 19-AUG-11 17:45:00 to 19-AUG-11 17:45:00 (EST-5)
Location: NORTH PLAINFIELD
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A severe thunderstorm knocked down a couple of trees in North Plainfield.

Thunderstorm Wind in MIDDLESEX, NEW JERSEY
From 19-AUG-11 18:10:00 to 19-AUG-11 18:10:00 (EST-5)
Location: EDISON
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A severe thunderstorm knocked down large tree limbs and wires in Edison.

Lightning in HUNTERDON, NEW JERSEY
From 19-AUG-11 17:30:00 to 19-AUG-11 17:30:00 (EST-5)
Location: LAMBERTVILLE
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A lightning strike ignited a fire at a house on York Street in Lambertville. Lightning struck and went through the wiring of the home, found a weak spot in a crawl space underneath the first floor and started the fire.  A water pipe also burst inside the house. No injuries were reported, but the two residents of the house were provided shelter for the evening. The residents next door were also evacuated  due to the heavy smoke.

Thunderstorm Wind in MORRIS, NEW JERSEY
From 19-AUG-11 17:35:00 to 19-AUG-11 17:35:00 (EST-5)
Location: MADISON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

A severe thunderstorm knocked down four trees and two wires onto roadways in Madison Township. It caused power outages in the downtown area of the township as well as causing about a dozen traffic lights to stop functioning. A wind gust of 50 mph was measured in neighboring Chatham Township.

Hail in CAMDEN, NEW JERSEY
From 19-AUG-11 15:50:00 to 19-AUG-11 15:50:00 (EST-5)
Location: CLEMENTON
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Penny size hail fell in Clementon Borough.

Hail in CAMDEN, NEW JERSEY
From 19-AUG-11 16:30:00 to 19-AUG-11 16:30:00 (EST-5)
Location: CHERRY HILL
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Nickel size hail fell in Cherry Hill Township.

Hail in CAMDEN, NEW JERSEY
From 19-AUG-11 16:50:00 to 19-AUG-11 16:50:00 (EST-5)
Location: PENNSAUKEN
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Nickel size hail fell in Pennsauken Township. There was also a measured wind gust of 57 mph.

Hail in CAMDEN, NEW JERSEY
From 19-AUG-11 16:30:00 to 19-AUG-11 16:30:00 (EST-5)
Location: KIRKWOOD
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A second and severe thunderstorm dropped quarter size hail in Clementon Borough.

Hail in WARREN, NEW JERSEY
From 19-AUG-11 16:40:00 to 19-AUG-11 16:40:00 (EST-5)
Location: WASHINGTON
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A thunderstorm dropped penny size hail in Washington.

Hail in MIDDLESEX, NEW JERSEY
From 19-AUG-11 17:00:00 to 19-AUG-11 17:00:00 (EST-5)
Location: EAST BRUNSWICK
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A thunderstorm dropped penny size hail in East Brunswick Township.

Thunderstorm Wind in BURLINGTON, NEW JERSEY
From 19-AUG-11 15:48:00 to 19-AUG-11 15:48:00 (EST-5)
Location: MEDFORD LAKES
Magnitude: 52.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm knocked down a few trees and large limbs in Medford Township. The downed trees caused some damage to houses.

Thunderstorm Wind in WARREN, NEW JERSEY
From 19-AUG-11 16:25:00 to 19-AUG-11 16:25:00 (EST-5)
Location: BUTTZVILLE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A severe thunderstorm knocked down several large tree limbs across New Jersey State Route 31 in White Township.

Thunderstorm Wind in MERCER, NEW JERSEY
From 19-AUG-11 17:30:00 to 19-AUG-11 17:30:00 (EST-5)
Location: HOPEWELL
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm knocked down a couple of trees along County Route 518 in Hopewell Township. Small hail also fell from the severe thunderstorm.