An approaching cold front triggered a cluster of severe thunderstorms producing multiple macrobursts that impacted the North Shore of Long Island, from Northwest Nassau County onto the North Fork of Long Island.

Thunderstorm Wind in SUFFOLK, NEW YORK
From 04-AUG-15 04:08:00 to 04-AUG-15 04:08:00 (EST-5)
Location: MILLER PLACE
Magnitude: 61.00 EG
Property damage: 4.00K
Reported by: Public

Two large trees were reported down, blocking Wylde Road.

Thunderstorm Wind in SUFFOLK, NEW YORK
From 04-AUG-15 04:15:00 to 04-AUG-15 04:15:00 (EST-5)
Location: SOUND BEACH
Magnitude: 61.00 EG
Property damage: 10.00K
Reported by: Public

A large tree was reported down on a car on Jackson Avenue in Sound Beach.

Thunderstorm Wind in SUFFOLK, NEW YORK
From 04-AUG-15 04:07:00 to 04-AUG-15 04:07:00 (EST-5)
Location: PORT JEFFERSON
Magnitude: 61.00 EG
Property damage: 10.00K
Reported by: Public

Multiple trees were reported down throughout the Village.

Thunderstorm Wind in SUFFOLK, NEW YORK
From 04-AUG-15 04:06:00 to 04-AUG-15 04:06:00 (EST-5)
Location: BELLE TERRE
Magnitude: 61.00 EG
Property damage: 25.00K
Reported by: Public

Multiple trees were reported down on houses with roof damage, as well as power lines reported as down around the Port Jefferson Firehouse.

Thunderstorm Wind in SUFFOLK, NEW YORK
From 04-AUG-15 03:55:00 to 04-AUG-15 03:55:00 (EST-5)
Location: HAUPPAUGE
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: Other Federal Agency

Large branches and tree limbs were reported down at the intersection of Helen Marie Place and Bretton Road.

Thunderstorm Wind in SUFFOLK, NEW YORK
From 04-AUG-15 04:01:00 to 04-AUG-15 04:01:00 (EST-5)
Location: EAST SETAUKET
Magnitude: 52.00 EG
Property damage: 3.00K
Reported by: Public

Trees were reported down along Lower Sheep Pasture Road in Stony Brook.

Thunderstorm Wind in SUFFOLK, NEW YORK
From 04-AUG-15 04:07:00 to 04-AUG-15 04:07:00 (EST-5)
Location: CORAM
Magnitude: 52.00 EG
Property damage: 0.00K
Reported by: NWS Employee

A large tree branch was reported down.

Thunderstorm Wind in SUFFOLK, NEW YORK
From 04-AUG-15 04:35:00 to 04-AUG-15 04:35:00 (EST-5)
Location: MATTITUCK
Magnitude: 52.00 EG
Property damage: 0.50K
Reported by: Trained Spotter

Several large branches were reported down.

Thunderstorm Wind in SUFFOLK, NEW YORK
From 04-AUG-15 04:22:00 to 04-AUG-15 04:22:00 (EST-5)
Location: WADING RIVER
Magnitude: 61.00 EG
Property damage: 7.50K
Reported by: Public

Multiple trees and power lines were reported down throughout the Hamlet of Wading River.

Thunderstorm Wind in SUFFOLK, NEW YORK
From 04-AUG-15 04:45:00 to 04-AUG-15 04:45:00 (EST-5)
Location: SOUTHOLD
Magnitude: 52.00 EG
Property damage: 7.50K
Reported by: Law Enforcement

Numerous trees and wires were reported down across town.

Thunderstorm Wind in SUFFOLK, NEW YORK
From 04-AUG-15 04:52:00 to 04-AUG-15 04:52:00 (EST-5)
Location: SHELTER IS
Magnitude: 52.00 EG
Property damage: 7.50K
Reported by: Law Enforcement

Trees and wires were reported down across Shelter Island.

Thunderstorm Wind in SUFFOLK, NEW YORK
From 04-AUG-15 04:18:00 to 04-AUG-15 04:18:00 (EST-5)
Location: SHOREHAM
Magnitude: 61.00 EG
Property damage: 6.00K
Reported by: NWS Employee

Large trees were reported down across the intersection of Dartmouth and Valentine Roads.

Thunderstorm Wind in SUFFOLK, NEW YORK
From 04-AUG-15 05:18:00 to 04-AUG-15 05:18:00 (EST-5)
Location: FISHERS IS
Magnitude: 52.00 EG
Property damage: 5.00K
Reported by: Public

Trees and widespread large branches were reported down along the East End Road.

Thunderstorm Wind in SUFFOLK, NEW YORK
From 04-AUG-15 05:09:00 to 04-AUG-15 05:09:00 (EST-5)
Location: FISHERS IS ARPT
Magnitude: 62.00 MG
Reported by: Mesonet

A gust of 71 mph was measured at Great Gull Island.

Thunderstorm Wind in SUFFOLK, NEW YORK
From 04-AUG-15 04:50:00 to 04-AUG-15 04:50:00 (EST-5)
Location: NORTH HAVEN
Magnitude: 52.00 EG
Property damage: 3.00K
Reported by: Public

Trees and branches were reported down along Noyack Road.

Thunderstorm Wind in SUFFOLK, NEW YORK
From 04-AUG-15 03:59:00 to 04-AUG-15 03:59:00 (EST-5)
Location: STONY BROOK
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: Public

A tree was reported down on Stony Brook Road.

Thunderstorm Wind in SUFFOLK, NEW YORK
From 04-AUG-15 04:01:00 to 04-AUG-15 04:01:00 (EST-5)
Location: CENTEREACH
Magnitude: 61.00 EG
Property damage: 15.00K
Reported by: River/Stream Gage

A large tree was reported down on a house near the intersection of Dorn Place and Milford Lane.

Hail in SUFFOLK, NEW YORK
From 04-AUG-15 04:15:00 to 04-AUG-15 04:15:00 (EST-5)
Location: SHOREHAM
Magnitude: 1.00 
Reported by: Public

Thunderstorm Wind in SUFFOLK, NEW YORK
From 04-AUG-15 04:02:00 to 04-AUG-15 04:02:00 (EST-5)
Location: POQUOTT
Magnitude: 61.00 EG
Property damage: 7.50K
Reported by: Public

Multiple trees were reported down on Harmony Lane.

Thunderstorm Wind in SUFFOLK, NEW YORK
From 04-AUG-15 04:06:00 to 04-AUG-15 04:06:00 (EST-5)
Location: SOUTH SETAUKET
Magnitude: 61.00 EG
Property damage: 15.00K
Reported by: Public

Numerous trees and power lines were reported down between Main Street and Bennets Road.

Thunderstorm Wind in NASSAU, NEW YORK
From 04-AUG-15 03:28:00 to 04-AUG-15 03:28:00 (EST-5)
Location: NEW HYDE PARK
Magnitude: 61.00 EG
Property damage: 3.00K
Reported by: NWS Employee

A large tree was reported down along Stewart Avenue in Garden City.

Thunderstorm Wind in SUFFOLK, NEW YORK
From 04-AUG-15 03:59:00 to 04-AUG-15 03:59:00 (EST-5)
Location: STONY BROOK
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: Public

A downed tree brought down power lines over the track of the Port Jefferson Branch of the Long Island Railroad.

Thunderstorm Wind in SUFFOLK, NEW YORK
From 04-AUG-15 04:02:00 to 04-AUG-15 04:02:00 (EST-5)
Location: STONY BROOK
Magnitude: 83.00 MG
Reported by: Mesonet

A wind gust of 95 mph was measured on the roof of Stony Brook University's Health Sciences Tower.

Thunderstorm Wind in SUFFOLK, NEW YORK
From 04-AUG-15 04:16:00 to 04-AUG-15 04:16:00 (EST-5)
Location: ROCKY PT
Magnitude: 52.00 EG
Property damage: 10.00K
Reported by: Public

A tree was reported down on a car on Zenith Road in Rocky Point.

Thunderstorm Wind in SUFFOLK, NEW YORK
From 04-AUG-15 04:51:00 to 04-AUG-15 04:51:00 (EST-5)
Location: NORTH HAVEN
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Tree limbs were reported down along Short Beach Road in North Haven.

Thunderstorm Wind in SUFFOLK, NEW YORK
From 04-AUG-15 04:55:00 to 04-AUG-15 04:55:00 (EST-5)
Location: ORIENT
Magnitude: 52.00 EG
Property damage: 7.50K
Reported by: Fire Department/Rescue

Trees and power lines were reported down throughout the Hamlet of Orient Point.

Hail in SUFFOLK, NEW YORK
From 04-AUG-15 04:15:00 to 04-AUG-15 04:15:00 (EST-5)
Location: MT SINAI
Magnitude: 1.75 
Reported by: COOP Observer

Thunderstorm Wind in SUFFOLK, NEW YORK
From 04-AUG-15 03:50:00 to 04-AUG-15 03:50:00 (EST-5)
Location: NISSEQUOGUE
Magnitude: 52.00 EG
Property damage: 3.00K
Reported by: Public

Several trees were reported down on Frank Street.

Thunderstorm Wind in SUFFOLK, NEW YORK
From 04-AUG-15 03:59:00 to 04-AUG-15 03:59:00 (EST-5)
Location: CENTEREACH
Magnitude: 52.00 EG
Property damage: 0.75K
Reported by: NWS Employee

A large tree branch was reported down in Centereach.

Thunderstorm Wind in SUFFOLK, NEW YORK
From 04-AUG-15 04:01:00 to 04-AUG-15 04:01:00 (EST-5)
Location: SETAUKET
Magnitude: 52.00 EG
Property damage: 7.50K
Reported by: Public

A tree was reported down through a home on Settlers Way in Setauket.

Thunderstorm Wind in SUFFOLK, NEW YORK
From 04-AUG-15 03:54:00 to 04-AUG-15 03:54:00 (EST-5)
Location: ST JAMES
Magnitude: 61.00 EG
Property damage: 7.50K
Reported by: Public

Multiple trees and wires were reported down throughout the Hamlet of St. James.

Thunderstorm Wind in SUFFOLK, NEW YORK
From 04-AUG-15 04:10:00 to 04-AUG-15 04:10:00 (EST-5)
Location: MILLER PLACE
Magnitude: 52.00 EG
Property damage: 2.00K
Reported by: Public

A tree fell down on a fence in Miller Place.

Thunderstorm Wind in SUFFOLK, NEW YORK
From 04-AUG-15 03:50:00 to 04-AUG-15 03:50:00 (EST-5)
Location: KINGS PARK
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: Public

A tree was reported down, blocking Nowick Lane in the San Remo neighborhood of Kings Park.

Thunderstorm Wind in SUFFOLK, NEW YORK
From 04-AUG-15 04:17:00 to 04-AUG-15 04:17:00 (EST-5)
Location: RIDGE
Magnitude: 61.00 EG
Property damage: 10.00K
Reported by: Public

Numerous trees and wires were reported down with many roads blocked near the Leisure Village Area of Ridge.