A strong upper level disturbance, coupled with a passing trough of low pressure at the surface, produced several severe thunderstorms on Long Island, especially in Suffolk County.

Thunderstorm Wind in SUFFOLK, NEW YORK
From 07-AUG-08 19:40:00 to 07-AUG-08 19:45:00 (EST-5)
Location: JAMESPORT
Magnitude: 70.00 EG
Property damage: 20.00K
Reported by: Newspaper

Numerous trees were reported down from Jamesport to Mattituck, including a 30 foot wide swath of trees near the North Fork Preserve, sending a tree limb through a roof in Northville, and a 100 foot pine snapping in half.

Hail in SUFFOLK, NEW YORK
From 07-AUG-08 12:33:00 to 07-AUG-08 12:33:00 (EST-5)
Location: CENTERPORT
Magnitude: 0.75 
Reported by: Fire Department/Rescue

Penny size hail was reported at the Fire Station on Park Circle in Centerport.

Hail in SUFFOLK, NEW YORK
From 07-AUG-08 20:10:00 to 07-AUG-08 20:10:00 (EST-5)
Location: UPTON
Magnitude: 0.88 
Reported by: Official NWS Observations

Nickel size hail was reported at the National Weather Service Forecast Office in Upton NY, on the grounds of Brookhaven National Laboratory.

Hail in NASSAU, NEW YORK
From 07-AUG-08 13:30:00 to 07-AUG-08 13:30:00 (EST-5)
Location: HICKSVILLE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Penny size hail was reported.

Hail in SUFFOLK, NEW YORK
From 07-AUG-08 19:23:00 to 07-AUG-08 19:23:00 (EST-5)
Location: CENTEREACH
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Penny size hail was reported.

Hail in SUFFOLK, NEW YORK
From 07-AUG-08 19:29:00 to 07-AUG-08 19:29:00 (EST-5)
Location: MATTITUCK
Magnitude: 0.88 
Reported by: Public

Penny size hail was reported in Mattituck.

Hail in SUFFOLK, NEW YORK
From 07-AUG-08 20:00:00 to 07-AUG-08 20:00:00 (EST-5)
Location: RIDGE
Magnitude: 0.75 
Reported by: Public

Penny size hail was reported.

Hail in SUFFOLK, NEW YORK
From 07-AUG-08 20:15:00 to 07-AUG-08 20:15:00 (EST-5)
Location: SOUTH MANOR
Magnitude: 0.75 
Reported by: NWS Employee

Penny size hail was reported in Manorville.

Hail in SUFFOLK, NEW YORK
From 07-AUG-08 20:30:00 to 07-AUG-08 20:30:00 (EST-5)
Location: MANORVILLE
Magnitude: 0.88 
Reported by: Broadcast Media

Nickel size hail was reported.

Hail in SUFFOLK, NEW YORK
From 07-AUG-08 20:39:00 to 07-AUG-08 20:39:00 (EST-5)
Location: RIDGE
Magnitude: 0.88 
Reported by: NWS Employee

Nickel size hail was reported.

Thunderstorm Wind in SUFFOLK, NEW YORK
From 07-AUG-08 20:25:00 to 07-AUG-08 20:25:00 (EST-5)
Location: SOUTH MANOR
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

A wind gust of 60 mph was estimated by a National Weather Service Employee in Manorville.

Hail in SUFFOLK, NEW YORK
From 07-AUG-08 20:49:00 to 07-AUG-08 20:49:00 (EST-5)
Location: RIDGE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Nickle size hail was reported.

Hail in NASSAU, NEW YORK
From 07-AUG-08 13:41:00 to 07-AUG-08 13:41:00 (EST-5)
Location: WOODBURY
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Penny to nickel size hail was reported at Round Swamp Road near Exit 39 on the Northern State Parkway.