An approaching cold front triggered severe thunderstorms across southeastern New York, they produced 3 tornadoes across Rockland, Westchester and Suffolk Counties.

Lightning in SUFFOLK, NEW YORK
From 02-OCT-18 22:37:00 to 02-OCT-18 22:37:00 (EST-5)
Location: YAPHANK
Property damage: 6.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Lightning strike reported by Broadcast Media.

Thunderstorm Wind in SUFFOLK, NEW YORK
From 02-OCT-18 22:15:00 to 02-OCT-18 22:15:00 (EST-5)
Location: WYANDANCH
Magnitude: 52.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Tree reported down.

Thunderstorm Wind in SUFFOLK, NEW YORK
From 02-OCT-18 22:12:00 to 02-OCT-18 22:12:00 (EST-5)
Location: BABYLON
Magnitude: 52.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Trees reported down by media in Babylon.

Thunderstorm Wind in SUFFOLK, NEW YORK
From 02-OCT-18 22:15:00 to 02-OCT-18 22:15:00 (EST-5)
Location: HAUPPAUGE
Magnitude: 61.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

Multiple trees reported down in a field on Bridge Road.

Thunderstorm Wind in WESTCHESTER, NEW YORK
From 02-OCT-18 15:58:00 to 02-OCT-18 15:58:00 (EST-5)
Location: MT KISCO
Magnitude: 52.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees down on Saw Mill River Parkway and Main Street.

Thunderstorm Wind in SUFFOLK, NEW YORK
From 02-OCT-18 22:20:00 to 02-OCT-18 22:20:00 (EST-5)
Location: CENTRAL ISLIP
Magnitude: 52.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Social Media

Tree reported down on Veterans Highway between Connectquot Avenue and 5th Avenue.

Thunderstorm Wind in WESTCHESTER, NEW YORK
From 02-OCT-18 15:45:00 to 02-OCT-18 15:45:00 (EST-5)
Location: CROTON HGTS
Magnitude: 52.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Department of Highways

NY 129 between NY 118 and Underhill Avenue closed due to downed tree and wires.

Thunderstorm Wind in WESTCHESTER, NEW YORK
From 02-OCT-18 17:38:00 to 02-OCT-18 17:38:00 (EST-5)
Location: MT KISCO
Magnitude: 52.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Trees down on Orchard Road.

Thunderstorm Wind in SUFFOLK, NEW YORK
From 02-OCT-18 18:45:00 to 02-OCT-18 18:45:00 (EST-5)
Location: MILLER PLACE
Magnitude: 52.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

Tree down on a car on Falmouth Drive.

Tornado in SUFFOLK, NEW YORK
From 02-OCT-18 22:20:00 to 02-OCT-18 22:22:00 (EST-5)
Location: RONKONKOMA
Tornado F-scale: EF0
Property damage: 100.00K
Reported by: NWS Storm Survey

A National Weather Service Storm Survey of damage in the Hamlet of Ronkonkoma New York was conducted in conjunction with the Town of Islip. Based on the results of this survey and NWS Doppler Radar data the following information has been determined. The tornado originated just north of the western end of Seneca Street and ended about one-eighth of a mile east of the intersection of Mohican Avenue and Seneca Street. The damage was confined to between Iroquois and Ontario streets along Mohican Avenue. Numerous homes sustained damage to siding and gutters and outdoor furniture. Trees have visibly sheared tops, and at least two or three trees were downed on cars. This damage is consistent with maximum wind speeds of around 85 mph, making this an EF-0 tornado. The tornado had a maximum path width of around 200 yards and was on the ground continuously for around 400 yards.

Tornado in ROCKLAND, NEW YORK
From 02-OCT-18 15:14:00 to 02-OCT-18 15:18:00 (EST-5)
Location: WILLOW GROVE
Tornado F-scale: EF1
Property damage: 25.00K
Reported by: NWS Storm Survey

A National Weather Service (NWS) Storm Survey Team, in conjunction with the Rockland County Office of Fire and Emergency Services, conducted a storm survey of the damage around Stony Point New York. Based on the results of this survey and NWS Doppler Radar the following has been determined. The tornado originated in Harriman State Park west of the Palisades Interstate Parkway and Gate Hill Road, and ended near Wilderness Drive in Stony Point. Numerous trees were uprooted and down.     The most severe damage is consistent with maximum wind speeds of around 100 MPH,
which indicates this was an EF-1 tornado.  The tornado had a maximum path width of around 100 yards and  was on the ground continuously for around one and one-half miles.

Tornado in WESTCHESTER, NEW YORK
From 02-OCT-18 15:44:00 to 02-OCT-18 15:58:00 (EST-5)
Location: KITCHAWAN
Tornado F-scale: EF1
Property damage: 50.00K
Reported by: NWS Storm Survey

A National Weather Service (NWS) Storm Survey of damage in the town of New Castle New York was conducted in conjunction with the Westchester County Office of Emergency Management, and New Castle Police. Based on the results of this survey and NWS Doppler Radar the following results were determined.  The tornado began just west of the Taconic State Parkway, near the Hamlet of Millwood, and ended near Taylor Road south of the Hamlet of Mount Kisco. Many trees were uprooted or snapped along the path. There was also some roof damage to a few homes along the tornado's path.  The strongest damage occurred along route 100 in Millwood, with many large hardwood trees uprooted and snapped. This damage is consistent with maximum wind speeds of around 110 mph, making this an EF-1 tornado. The tornado had a maximum path width of around 300 yards and was on the ground continuously for around three and three-quarter miles.