The combination of an unseasonably hot and humid air mass and an approaching cold front helped trigger a line of strong to severe thunderstorms that moved through New Jersey during the evening of the 9th.

Thunderstorm Wind in MERCER, NEW JERSEY
From 09-JUN-11 18:42:00 to 09-JUN-11 18:43:00 (EST-5)
Location: LAWRENCEVILLE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A severe thunderstorm knocked down large tree limbs and trees along the U.S. Route 206 corridor in Lawrence Township. Sections of the roadway were blocked and closed by the fallen trees.

Thunderstorm Wind in MERCER, NEW JERSEY
From 09-JUN-11 18:50:00 to 09-JUN-11 18:50:00 (EST-5)
Location: PRINCETON
Magnitude: 52.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Newspaper

A severe thunderstorm knocked down trees, tree limbs and wires in Princeton Township. Cherry Valley Road was blocked between The Great Road and Province Line Road. Trees and wires were also knocked down on U.S. Route 206, Mercer Street, Crestview Road, Dempsey Avenue, Riverside Drive, Stuart Road, Terhune Road, Quaker Road and Cherry Hill Road. U.S. Route 206, Mercer Street, Cherry Valley and Stuart Roads were still closed the next morning.  In Princeton Borough, about a dozen trees were knocked down. One vehicle in the Borough Hall parking lot was damaged by a fallen tree. About 500 homes and businesses lost power in Mercer County.

Hail in CUMBERLAND, NEW JERSEY
From 09-JUN-11 21:29:00 to 09-JUN-11 21:29:00 (EST-5)
Location: BRIDGETON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

In addition to the quarter size hail in Bridgeton, a Skywarn Spotter estimated wind gusts of around 45 mph.

Thunderstorm Wind in ATLANTIC, NEW JERSEY
From 09-JUN-11 21:45:00 to 09-JUN-11 21:45:00 (EST-5)
Location: RICHLAND
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm also knocked down a few trees in Richland (Buena Vista Township).

Thunderstorm Wind in MONMOUTH, NEW JERSEY
From 09-JUN-11 18:30:00 to 09-JUN-11 18:30:00 (EST-5)
Location: AVON BY THE SEA
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

The gust front associated with a line of strong to severe thunderstorms knocked down a few large tree limbs in Neptune City.

Thunderstorm Wind in SOMERSET, NEW JERSEY
From 09-JUN-11 18:40:00 to 09-JUN-11 18:40:00 (EST-5)
Location: BOUND BROOK
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm knocked down a few large tree limbs in Bound Brook Borough.

Thunderstorm Wind in SOMERSET, NEW JERSEY
From 09-JUN-11 18:46:00 to 09-JUN-11 18:46:00 (EST-5)
Location: ROCKY HILL
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm knocked down a few large tree limbs in Rocky Hill Borough.

Thunderstorm Wind in MERCER, NEW JERSEY
From 09-JUN-11 18:45:00 to 09-JUN-11 18:45:00 (EST-5)
Location: AJAX PARK
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm knocked down a few large tree limbs in Ewing Township.

Thunderstorm Wind in BURLINGTON, NEW JERSEY
From 09-JUN-11 18:55:00 to 09-JUN-11 18:55:00 (EST-5)
Location: EDGEWATER PARK
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

The gust front from a severe thunderstorms knocked down a tree and a few large tree limbs in Edgewater Park Township.

Thunderstorm Wind in MORRIS, NEW JERSEY
From 09-JUN-11 17:00:00 to 09-JUN-11 17:00:00 (EST-5)
Location: CHESTER
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The gust front from a severe thunderstorms knocked down a few trees in Chester Township.

Thunderstorm Wind in CAMDEN, NEW JERSEY
From 09-JUN-11 19:25:00 to 09-JUN-11 19:25:00 (EST-5)
Location: MERCHANTVILLE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A severe thunderstorm knocked down a few trees in Merchantville Borough. One downed tree injured a person in a vehicle.

Thunderstorm Wind in SALEM, NEW JERSEY
From 09-JUN-11 19:31:00 to 09-JUN-11 19:31:00 (EST-5)
Location: PENNSVILLE
Magnitude: 63.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A severe thunderstorm produced a 72 mph wind gust in Pennsville Township.

Thunderstorm Wind in BURLINGTON, NEW JERSEY
From 09-JUN-11 19:40:00 to 09-JUN-11 19:40:00 (EST-5)
Location: MT LAUREL
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm knocked down a couple of trees in Mount Laurel Township.

Thunderstorm Wind in CAMDEN, NEW JERSEY
From 09-JUN-11 19:48:00 to 09-JUN-11 19:48:00 (EST-5)
Location: BLACKWOOD
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm knocked down a couple of large tree limbs in Blackwood (Gloucester Township).

Hail in ATLANTIC, NEW JERSEY
From 09-JUN-11 22:02:00 to 09-JUN-11 22:05:00 (EST-5)
Location: MAYS LNDG
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Penny size hail fell in Mays Landing (Hamilton Township).

Thunderstorm Wind in CUMBERLAND, NEW JERSEY
From 09-JUN-11 21:43:00 to 09-JUN-11 21:43:00 (EST-5)
Location: (MIV)MILLVILLE MUNI
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

A wind gust of 64 mph was measured during a severe thunderstorm at the Millville Municipal Airport.

Hail in ATLANTIC, NEW JERSEY
From 09-JUN-11 21:45:00 to 09-JUN-11 21:45:00 (EST-5)
Location: RICHLAND
Magnitude: 1.50 
Property damage: 10.00K
Crop damage: 10.00K
Reported by: Public

Ping pong ball size hail caused damage to young plants on farms as well as minor damage to vehicles in Richland (Buena Vista Township).

Hail in CUMBERLAND, NEW JERSEY
From 09-JUN-11 21:45:00 to 09-JUN-11 21:45:00 (EST-5)
Location: VINELAND
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Half dollar size hail fell in Vineland. A Skywarn sptter also estimated wind gusts of around 50 mph.

Hail in ATLANTIC, NEW JERSEY
From 09-JUN-11 21:55:00 to 09-JUN-11 21:55:00 (EST-5)
Location: WEYMOUTH
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter size hail fell from a severe thunderstorm in Weymouth Township.

Hail in CAPE MAY, NEW JERSEY
From 09-JUN-11 22:05:00 to 09-JUN-11 22:05:00 (EST-5)
Location: ELDORA
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 Eldora.

Thunderstorm Wind in SOMERSET, NEW JERSEY
From 09-JUN-11 18:49:00 to 09-JUN-11 18:49:00 (EST-5)
Location: BLAWENBURG
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

A severe thunderstorm knocked down a few trees in Montgomery Township. Cherry Valley Road was closed as well as Opossum Road between Red Fox Court and Orchard Road because of downed trees.

Hail in CAPE MAY, NEW JERSEY
From 09-JUN-11 22:05:00 to 09-JUN-11 22:05:00 (EST-5)
Location: WOODBINE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter size hail fell from a severe thunderstorm in Woodbine Borough.

Thunderstorm Wind in ATLANTIC, NEW JERSEY
From 09-JUN-11 21:55:00 to 09-JUN-11 21:55:00 (EST-5)
Location: WEYMOUTH
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A Skywarn spotter estimated wind gusts of 60 mph during a severe thunderstorm in Weymouth Township.