A pre-frontal boundary and upper level disturbance moved across the region during the late afternoon and evening hours of Saturday, July 17th. With an unstable airmass in place, several clusters of strong to severe thunderstorms developed and moved across east central New York.

Hail in GREENE, NEW YORK
From 17-JUL-10 16:00:00 to 17-JUL-10 16:05:00 (EST-5)
Location: ASHLAND
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Quarter size hail was reported during a thunderstorm in Ashland.

Thunderstorm Wind in SCHENECTADY, NEW YORK
From 17-JUL-10 21:00:00 to 17-JUL-10 21:00:00 (EST-5)
Location: ALPLAUS
Magnitude: 50.00 EG
Property damage: 7.00K
Crop damage: 0.00K
Reported by: Public

A tree was reported down onto a home on Redwood Drive in Glenville due to strong thunderstorm winds, damaging windows and skylights.

Flash Flood in FULTON, NEW YORK
From 17-JUL-10 21:06:00 to 17-JUL-10 23:20:00 (EST-5)
Location: OPPENHEIM
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A beaver dam gave way and flooded portions of New York State Route 29 in the town of Oppenheim.

Hail in RENSSELAER, NEW YORK
From 17-JUL-10 21:49:00 to 17-JUL-10 21:54:00 (EST-5)
Location: SHERWOOD PARK
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail a little larger than quarters was reported during a thunderstorm in East Greenbush. The hail completely covered the ground along State Route 4.

Thunderstorm Wind in SCHOHARIE, NEW YORK
From 17-JUL-10 15:30:00 to 17-JUL-10 15:30:00 (EST-5)
Location: JEFFERSON
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

Trees and wires were reported down in Jefferson due to strong thunderstorm winds.

Thunderstorm Wind in COLUMBIA, NEW YORK
From 17-JUL-10 17:09:00 to 17-JUL-10 17:09:00 (EST-5)
Location: COPAKE
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Trained Spotter

Trees and wires were reported down in Copake on Route 7A, Farm Road and Mountain View Road due to strong thunderstorm winds.

Thunderstorm Wind in COLUMBIA, NEW YORK
From 17-JUL-10 17:14:00 to 17-JUL-10 17:15:00 (EST-5)
Location: TAGHKANIC
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Trained Spotter

A couple of trees were reported down in Taghkanic due to strong thunderstorm winds. Also, some lawn furniture and tents were blown over.

Thunderstorm Wind in COLUMBIA, NEW YORK
From 17-JUL-10 17:16:00 to 17-JUL-10 17:16:00 (EST-5)
Location: WEST COPAKE
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Trained Spotter

Trees were reported down on Wiltsie Bridge Road near Route 3 in Ancram due to strong thunderstorm winds.

Thunderstorm Wind in HERKIMER, NEW YORK
From 17-JUL-10 18:02:00 to 17-JUL-10 18:02:00 (EST-5)
Location: SALISBURY CENTER
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Trained Spotter

A tree was reported down and blocking a portion of Route 29 in Salisbury Center due to strong thunderstorm winds.

Thunderstorm Wind in HERKIMER, NEW YORK
From 17-JUL-10 18:02:00 to 17-JUL-10 18:02:00 (EST-5)
Location: BURRELL CORNERS
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Trained Spotter

A tree was reported down on Castle Road in Fairfield due to strong thunderstorm winds.

Thunderstorm Wind in HERKIMER, NEW YORK
From 17-JUL-10 18:02:00 to 17-JUL-10 18:02:00 (EST-5)
Location: BURRELL CORNERS
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Trained Spotter

A tree was reported down on Castle Road in Fairfield due to strong thunderstorm winds.

Thunderstorm Wind in RENSSELAER, NEW YORK
From 17-JUL-10 19:40:00 to 17-JUL-10 19:40:00 (EST-5)
Location: SCHAGHTICOKE
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

Trees and wires were reported down in Schaghticoke due to strong thunderstorm winds.

Thunderstorm Wind in RENSSELAER, NEW YORK
From 17-JUL-10 20:05:00 to 17-JUL-10 20:05:00 (EST-5)
Location: PETERSBURG
Magnitude: 70.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Numerous trees were uprooted at the Aqua Vista Valley Campground in Petersburg due to strong thunderstorm winds.

Thunderstorm Wind in RENSSELAER, NEW YORK
From 17-JUL-10 19:45:00 to 17-JUL-10 19:45:00 (EST-5)
Location: PITTSTOWN
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees and wires were reported down in Pittstown due to strong thunderstorm winds.

Thunderstorm Wind in SCHENECTADY, NEW YORK
From 17-JUL-10 21:08:00 to 17-JUL-10 21:08:00 (EST-5)
Location: GLENRIDGE
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Public

Trees and wires were reported down in Alpaus due to strong thunderstorm winds.

Thunderstorm Wind in GREENE, NEW YORK
From 17-JUL-10 22:14:00 to 17-JUL-10 22:14:00 (EST-5)
Location: JEWETT
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

Tree and wires were reported down in Jewett due to strong thunderstorm winds.

Thunderstorm Wind in GREENE, NEW YORK
From 17-JUL-10 22:30:00 to 17-JUL-10 22:30:00 (EST-5)
Location: LEXINGTON
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

Trees and wires were reported down in Lexington due to strong thunderstorm winds.

Thunderstorm Wind in HERKIMER, NEW YORK
From 17-JUL-10 18:15:00 to 17-JUL-10 18:15:00 (EST-5)
Location: DOLGEVILLE
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Public

Multiple trees were reported down on wires and homes in Dolgeville due to strong thunderstorm winds.

Thunderstorm Wind in RENSSELAER, NEW YORK
From 17-JUL-10 20:05:00 to 17-JUL-10 20:05:00 (EST-5)
Location: GRAFTON
Magnitude: 56.00 EG
Crop damage: 0.00K
Reported by: Trained Spotter

Trees and large limbs were reported down in Grafton due to strong thunderstorm winds.

Hail in SCHENECTADY, NEW YORK
From 17-JUL-10 19:25:00 to 17-JUL-10 19:30:00 (EST-5)
Location: AQUEDUCT
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Penny size hail was reported during a thunderstorm in Niskayuna.

Hail in RENSSELAER, NEW YORK
From 17-JUL-10 20:05:00 to 17-JUL-10 20:10:00 (EST-5)
Location: GRAFTON
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter to ping pong ball sized hail was reported during a thunderstorm in Grafton.

Hail in ALBANY, NEW YORK
From 17-JUL-10 21:36:00 to 17-JUL-10 21:41:00 (EST-5)
Location: LATHAM
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Quarter size hail was reported due a thunderstorm in Latham.

Hail in ALBANY, NEW YORK
From 17-JUL-10 21:45:00 to 17-JUL-10 21:50:00 (EST-5)
Location: MEADOWDALE
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Hail 1 1/2 to 2 inches in diameter was reported during a thunderstorm in Thatcher State Park in Albany.

Thunderstorm Wind in FULTON, NEW YORK
From 17-JUL-10 19:00:00 to 17-JUL-10 19:00:00 (EST-5)
Location: GLOVERSVILLE
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

Trees and wires were reported down in Gloversville due to strong thunderstorm winds.

Thunderstorm Wind in FULTON, NEW YORK
From 17-JUL-10 19:00:00 to 17-JUL-10 19:00:00 (EST-5)
Location: OPPENHEIM
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

Trees and wires were reported down on Olsen Road in Oppenheim due to strong thunderstorm winds.