On the afternoon of the 10th...a mid-atmospheric disturbance moved along a stationary frontal boundary draped across the Adirondacks of New York, into a moderately warm and unstable airmass. Numerous thunderstorms developed across northern New York with a few storms that produced large hail and damaging winds. Nickel to quarter size hail as well as localized tree damage was reported at Schroon Lake (Essex county) and trees were reported downed by thunderstorm winds in Potsdam, Pierrepoint and Russell (St. Lawrence county).

Thunderstorm Wind in ST. LAWRENCE, NEW YORK
From 10-JUL-07 16:45:00 to 10-JUL-07 16:45:00 (EST-5)
Location: POTSDAM
Magnitude: 50.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Numerous trees and wires down throughout Potsdam.

Thunderstorm Wind in ST. LAWRENCE, NEW YORK
From 10-JUL-07 18:00:00 to 10-JUL-07 18:00:00 (EST-5)
Location: RUSSELL
Magnitude: 60.00 EG
Property damage: 35.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Numerous large trees downed by thunderstorm winds, including damage to several campers and pavilion.

Hail in CLINTON, NEW YORK
From 10-JUL-07 16:00:00 to 10-JUL-07 16:00:00 (EST-5)
Location: SARANAC
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Nickel size hail reported.

Thunderstorm Wind in ESSEX, NEW YORK
From 10-JUL-07 13:54:00 to 10-JUL-07 13:54:00 (EST-5)
Location: SCHROON LAKE
Magnitude: 55.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Trees and wires down on mobile home and house with structural damage.

Thunderstorm Wind in ESSEX, NEW YORK
From 10-JUL-07 14:30:00 to 10-JUL-07 14:30:00 (EST-5)
Location: SCHROON LAKE
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Public

Trees reported down on golf course.

Thunderstorm Wind in FRANKLIN, NEW YORK
From 10-JUL-07 15:30:00 to 10-JUL-07 15:30:00 (EST-5)
Location: DUANE CENTER
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Department of Highways

Trees and powerlines downed by thunderstorm winds.

Thunderstorm Wind in ST. LAWRENCE, NEW YORK
From 10-JUL-07 16:30:00 to 10-JUL-07 16:30:00 (EST-5)
Location: PIERREPONT
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees down.

Hail in ESSEX, NEW YORK
From 10-JUL-07 13:28:00 to 10-JUL-07 13:28:00 (EST-5)
Location: SCHROON LAKE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Post Office

Quarter size hail reported.

Hail in ESSEX, NEW YORK
From 10-JUL-07 13:30:00 to 10-JUL-07 13:30:00 (EST-5)
Location: SCHROON LAKE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Nickel size hail reported.

Hail in ESSEX, NEW YORK
From 10-JUL-07 13:20:00 to 10-JUL-07 13:20:00 (EST-5)
Location: SCHROON LAKE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Quarter size hail reported.

Hail in ESSEX, NEW YORK
From 10-JUL-07 13:55:00 to 10-JUL-07 13:55:00 (EST-5)
Location: SCHROON LAKE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Nickel size hail reported.

Hail in ESSEX, NEW YORK
From 10-JUL-07 14:35:00 to 10-JUL-07 14:35:00 (EST-5)
Location: SOUTH SCHROON
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Nickel size hail reported.

Hail in ESSEX, NEW YORK
From 10-JUL-07 14:47:00 to 10-JUL-07 14:47:00 (EST-5)
Location: SCHROON LAKE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Post Office

Nickel size hail reported.