A combination of a pre-frontal trough and a passing upper level disturbance produced an isolated severe storm in the morning, yielding a tornado in Queens and Brooklyn. An approaching cold front yielded another line of severe storms in the afternoon across the Lower Hudson Valley and New York City.

Thunderstorm Wind in RICHMOND, NEW YORK
From 08-SEP-12 17:00:00 to 08-SEP-12 17:05:00 (EST-5)
Location: STATEN IS
Magnitude: 52.00 EG
Property damage: 5.00K
Reported by: County Official

One tree and multiple tree limbs were reported down across the northeastern half of Staten Island.

Tornado in QUEENS, NEW YORK
From 08-SEP-12 09:58:00 to 08-SEP-12 09:59:00 (EST-5)
Location: ROCKAWAY BEACH
Tornado F-scale: EF0
Property damage: 20.00K
Reported by: NWS Storm Survey

This is the second of four segments of a combined waterspout tornado event. The tornado originated as a waterspout approximately 1 mile south of the tip of Breezy Point at 10:56 am in ANZ-355, and crossed onto land, as a tornado approximately 2500 feet northeast of the tip of Breezy Point, Queens at 10:58 am. The tornado caused structural damage to the Breezy Point Surf Club near where the waterspout came onshore as a tornado. Damage was also reported near its exit point off Breezy Point, with multiple trees and power lines reported down near the Beach 216th Street, at 10:59 am. At this point the tornado exited as a waterspout into the eastern arm of Lower New York Harbor, ANZ-338, about 12,500 feet west of Rockaway Inlet. The waterspout then continued northeast until making landfall as a tornado in Kings County/Brooklyn to the southeast of Plumb Beach about 750 feet south of the Belt Parkway at 11:01 am. The tornado then continued moving northeast into Brooklyn where it produced EF1 damage in Canarsie, Brooklyn before lifting at 11:05 am.

Thunderstorm Wind in PUTNAM, NEW YORK
From 08-SEP-12 13:30:00 to 08-SEP-12 13:30:00 (EST-5)
Location: BREWSTER
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: Emergency Manager

A tree was reported down on Reservoir Road near the intersection of Lower Mine Road.

Thunderstorm Wind in PUTNAM, NEW YORK
From 08-SEP-12 14:00:00 to 08-SEP-12 14:00:00 (EST-5)
Location: DYKEMANS
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: Emergency Manager

A tree was reported down on Fields Corner Road about 1 mile south-southeast of Field Corner.

Thunderstorm Wind in ORANGE, NEW YORK
From 08-SEP-12 15:35:00 to 08-SEP-12 15:35:00 (EST-5)
Location: MIDDLETOWN
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: Law Enforcement

A tree was reported blocking Lake Avenue near Fancher Davidge Park.

Thunderstorm Wind in ROCKLAND, NEW YORK
From 08-SEP-12 16:40:00 to 08-SEP-12 16:40:00 (EST-5)
Location: PEARL RIVER
Magnitude: 52.00 EG
Property damage: 0.75K
Reported by: Emergency Manager

Wires were reported down on South Pearl Street near West Madison Avenue.

Thunderstorm Wind in BRONX, NEW YORK
From 08-SEP-12 17:00:00 to 08-SEP-12 17:05:00 (EST-5)
Location: BRONX
Magnitude: 61.00 EG
Property damage: 12.50K
Reported by: County Official

Numerous trees and limbs were reported down throughout the Bronx.

Thunderstorm Wind in QUEENS, NEW YORK
From 08-SEP-12 17:05:00 to 08-SEP-12 17:10:00 (EST-5)
Location: WOODSIDE
Magnitude: 61.00 EG
Property damage: 50.00K
Reported by: County Official

Numerous trees and limbs were reported down throughout the Borough of Queens.

Thunderstorm Wind in KINGS, NEW YORK
From 08-SEP-12 17:05:00 to 08-SEP-12 17:10:00 (EST-5)
Location: NEW YORK
Magnitude: 61.00 EG
Property damage: 25.00K
Reported by: County Official

Numerous trees and limbs were reported down throughout the Borough of Brooklyn/Kings County.

Thunderstorm Wind in NEW YORK, NEW YORK
From 08-SEP-12 17:00:00 to 08-SEP-12 17:00:00 (EST-5)
Location: CENTRAL PARK
Magnitude: 52.00 EG
Property damage: 1.50K
Reported by: County Official

A tree was reported down in Central Park and a tree limb down in Riverside Park.

Thunderstorm Wind in KINGS, NEW YORK
From 08-SEP-12 09:38:00 to 08-SEP-12 09:38:00 (EST-5)
Location: BROOKLYN
Magnitude: 61.00 EG
Property damage: 7.50K
Reported by: Emergency Manager

Multiple trees and power lines were reported down in Flatbush.

Tornado in KINGS, NEW YORK
From 08-SEP-12 10:01:00 to 08-SEP-12 10:05:00 (EST-5)
Location: HOMECREST
Tornado F-scale: EF1
Property damage: 250.00K
Reported by: NWS Storm Survey

This is the fourth segment of a combined waterspout/tornado that originated as a waterspout about 1 mile south of the tip of Breezy Point in ANZ-355 (Coastal Waters From Sandy Hook NJ to Fire Island Inlet NY out to 20 Nautical Miles) at 10:56 am.  The waterspout then reached land and crossed Breezy Point Queens as an EF0 tornado from 10:58 to 10:59 am. The tornado then went back over water, traversing the Eastern Arm of Lower New York Harbor (ANZ-338), to the west of Rockaway Inlet, from 10:59-11:00 am as a waterspout. At 11:01 am, the waterspout made landfall as a tornado to the southeast of Plumb Beach, about 750 feet south of the Belt Parkway. The tornado traversed northeast across Marine Park, based on video evidence, then through the Mill Basin Section of Kings County/Brooklyn where it brought down a tree and limbs along Whitman Drive around 11:02 am. The tornado continued heading northeast into Bergen Beach where it downed a tree and several limbs between the corner of East 70th Street and Avenue Y and the corner of Royce Street and Avenue W around 11:03 am. The tornado then crossed the Canarsie section of Kings County/Brooklyn from 11:04 to 11:05 am before lifting near the corner of East 94th Street and Avenue N. In Canarsie, the tornado caused structural damage to several homes and to several trees in and around Canarsie Park.