A very unstable air mass was present Friday afternoon and evening as a warm front lifted north that morning across the state of Pennsylvania and New York. A shortwave aloft which was embedded within the cyclonic flow interacted with this front and showers and thunderstorms developed over central New York.  Late Friday afternoon the front started to slowly shift southward as a cold front. Showers and thunderstorms continued to develop along the front into the late evening hours as it moved southward into Pennsylvania. These storms produced damaging winds and large hail.

Hail in MADISON, NEW YORK
From 12-JUN-15 16:33:00 to 12-JUN-15 16:43:00 (EST-5)
Location: PERRYVILLE
Magnitude: 1.25 
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Amateur Radio

A severe thunderstorm developed over the area and produced half dollar sized hail.

Hail in ONONDAGA, NEW YORK
From 12-JUN-15 14:45:00 to 12-JUN-15 14:55:00 (EST-5)
Location: TULLY
Magnitude: 1.25 
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm developed over the area and produced half dollar sized hail.

Hail in CHEMUNG, NEW YORK
From 12-JUN-15 18:40:00 to 12-JUN-15 18:50:00 (EST-5)
Location: ELMIRA
Magnitude: 1.00 
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm developed over the area and produced one inch sized hail.

Thunderstorm Wind in ONONDAGA, NEW YORK
From 12-JUN-15 14:50:00 to 12-JUN-15 14:59:00 (EST-5)
Location: TULLY
Magnitude: 65.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: State Official

A severe thunderstorm produced severe winds as it moved across the area. The thunderstorm resulted in numerous trees being forced down near Tully.

Thunderstorm Wind in CAYUGA, NEW YORK
From 12-JUN-15 14:15:00 to 12-JUN-15 14:25:00 (EST-5)
Location: NILES
Magnitude: 65.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A severe thunderstorm produced severe winds as it moved across the area. The thunderstorm resulted in numerous trees and wires forced down between Niles and Sempronious.

Thunderstorm Wind in STEUBEN, NEW YORK
From 12-JUN-15 15:12:00 to 12-JUN-15 15:22:00 (EST-5)
Location: BATH
Magnitude: 65.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm produced severe winds as it moved across the area. The thunderstorm resulted in numerous trees being knocked over.

Thunderstorm Wind in STEUBEN, NEW YORK
From 12-JUN-15 16:45:00 to 12-JUN-15 16:55:00 (EST-5)
Location: ATLANTA
Magnitude: 65.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: State Official

A severe thunderstorm produced severe winds as it moved across the area. The thunderstorm resulted in numerous trees being knocked down and uprooted in Hamlet.

Thunderstorm Wind in MADISON, NEW YORK
From 12-JUN-15 15:25:00 to 12-JUN-15 15:35:00 (EST-5)
Location: DE RUYTER
Magnitude: 60.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: State Official

A severe thunderstorm produced severe winds as it moved across the area. The thunderstorm resulted in a few trees being knocked over along with forcing power lines down between Ruyter to Georgetown.

Thunderstorm Wind in CAYUGA, NEW YORK
From 12-JUN-15 17:25:00 to 12-JUN-15 17:35:00 (EST-5)
Location: SCIPIO CENTER
Magnitude: 70.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm produced severe winds as it moved across the area. The thunderstorm resulted in many electric poles and wires down.

Funnel Cloud in OTSEGO, NEW YORK
From 12-JUN-15 19:20:00 to 12-JUN-15 19:25:00 (EST-5)
Location: MARYLAND
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A thunderstorm developed and produced a funnel cloud.

Hail in CAYUGA, NEW YORK
From 12-JUN-15 14:20:00 to 12-JUN-15 14:30:00 (EST-5)
Location: NEW HOPE
Magnitude: 1.25 
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

A severe thunderstorm developed over the area and produced half dollar sized hail.

Hail in CORTLAND, NEW YORK
From 12-JUN-15 14:30:00 to 12-JUN-15 14:40:00 (EST-5)
Location: SCOTT
Magnitude: 1.00 
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm developed over the area and produced one inch sized hail.

Hail in CAYUGA, NEW YORK
From 12-JUN-15 14:40:00 to 12-JUN-15 14:50:00 (EST-5)
Location: NILES
Magnitude: 1.00 
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm developed over the area and produced one inch sized hail.

Hail in BROOME, NEW YORK
From 12-JUN-15 19:15:00 to 12-JUN-15 19:25:00 (EST-5)
Location: WEST ENDICOTT
Magnitude: 1.75 
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm developed over the area and produced golf ball sized hail.

Thunderstorm Wind in STEUBEN, NEW YORK
From 12-JUN-15 16:50:00 to 12-JUN-15 16:59:00 (EST-5)
Location: HORNELL
Magnitude: 65.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: State Official

A severe thunderstorm produced severe winds as it moved across the area. The thunderstorm resulted in multiple trees being knocked down across the area.

Thunderstorm Wind in STEUBEN, NEW YORK
From 12-JUN-15 17:12:00 to 12-JUN-15 17:22:00 (EST-5)
Location: BATH
Magnitude: 65.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm produced severe winds as it moved across the area. The thunderstorm resulted in multiple trees being knocked over. Time was radar estimated.

Thunderstorm Wind in YATES, NEW YORK
From 12-JUN-15 17:26:00 to 12-JUN-15 17:36:00 (EST-5)
Location: HIMROD
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

A severe thunderstorm produced severe winds as it moved across the area. The thunderstorm resulted in wires being knocked down across the area.

Thunderstorm Wind in ONEIDA, NEW YORK
From 12-JUN-15 17:30:00 to 12-JUN-15 17:39:00 (EST-5)
Location: BABCOCK HILL
Magnitude: 60.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A severe thunderstorm produced severe winds as it moved across the area. The thunderstorm resulted in trees being knocked over Rt 8 and Sickle Hill Road.

Thunderstorm Wind in SCHUYLER, NEW YORK
From 12-JUN-15 17:31:00 to 12-JUN-15 17:41:00 (EST-5)
Location: ALTAY
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: State Official

A severe thunderstorm produced severe winds as it moved across the area. The thunderstorm resulted in trees being knocked over.

Thunderstorm Wind in SCHUYLER, NEW YORK
From 12-JUN-15 17:35:00 to 12-JUN-15 17:45:00 (EST-5)
Location: WATKINS GLEN
Magnitude: 65.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: State Official

A severe thunderstorm produced severe winds as it moved across the area. The thunderstorm resulted in trees and wires being knocked down around Watkins Glen.

Thunderstorm Wind in CORTLAND, NEW YORK
From 12-JUN-15 14:30:00 to 12-JUN-15 14:40:00 (EST-5)
Location: SCOTT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm produced severe winds and was estimated to be 50 knots as it moved across the area.

Thunderstorm Wind in ONEIDA, NEW YORK
From 12-JUN-15 17:40:00 to 12-JUN-15 17:50:00 (EST-5)
Location: CASSVILLE
Magnitude: 60.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A severe thunderstorm produced severe winds as it moved across the area. The thunderstorm resulted in trees being knocked over at Route 8 and Sickle Road.

Thunderstorm Wind in TIOGA, NEW YORK
From 12-JUN-15 18:15:00 to 12-JUN-15 18:25:00 (EST-5)
Location: OWEGO
Magnitude: 70.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Amateur Radio

A severe thunderstorm produced severe winds as it moved across the area. The thunderstorm resulted in a roof being blown off a garage and a tree falling on a car on McMaster street.

Thunderstorm Wind in CORTLAND, NEW YORK
From 12-JUN-15 18:00:00 to 12-JUN-15 18:10:00 (EST-5)
Location: CORTLAND
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm produced severe winds as it moved across the area. The thunderstorm resulted in trees being knocked over.

Thunderstorm Wind in TOMPKINS, NEW YORK
From 12-JUN-15 18:00:00 to 12-JUN-15 18:10:00 (EST-5)
Location: ITHACA
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: State Official

A severe thunderstorm produced severe winds as it moved across the area. The thunderstorm resulted in trees being knocked over around Ithaca.

Thunderstorm Wind in BROOME, NEW YORK
From 12-JUN-15 18:30:00 to 12-JUN-15 18:40:00 (EST-5)
Location: WHITNEY PT
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: State Official

A severe thunderstorm produced severe winds as it moved across the area. The thunderstorm resulted in a few trees being knocked over in northern Broome County.

Thunderstorm Wind in SENECA, NEW YORK
From 12-JUN-15 17:35:00 to 12-JUN-15 17:45:00 (EST-5)
Location: INTERLAKEN
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: State Official

A severe thunderstorm produced severe winds as it moved across the area. The thunderstorm resulted in a few trees being knocked over.

Thunderstorm Wind in TOMPKINS, NEW YORK
From 12-JUN-15 18:00:00 to 12-JUN-15 18:10:00 (EST-5)
Location: NEWFIELD
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: State Official

A severe thunderstorm produced severe winds as it moved across the area. The thunderstorm resulted in trees being knocked over in Newfield, the city of Ithaca and the town of Caroline.

Thunderstorm Wind in CORTLAND, NEW YORK
From 12-JUN-15 18:05:00 to 12-JUN-15 18:15:00 (EST-5)
Location: CORTLAND ARPT
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm produced severe winds as it moved across the area. The thunderstorm resulted in trees being knocked over near SUNY Cortland Stadium.

Thunderstorm Wind in TIOGA, NEW YORK
From 12-JUN-15 19:00:00 to 12-JUN-15 19:10:00 (EST-5)
Location: CANDOR
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: State Official

A severe thunderstorm produced severe winds as it moved across the area. The thunderstorm resulted in a few trees being knocked over near Candor, Village of Owego and Newark valley.

Thunderstorm Wind in OTSEGO, NEW YORK
From 12-JUN-15 19:15:00 to 12-JUN-15 19:25:00 (EST-5)
Location: UNADILLA
Magnitude: 50.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Amateur Radio

A severe thunderstorm produced severe winds as it moved across the area. The thunderstorm resulted a large tree falling on a house.

Thunderstorm Wind in CAYUGA, NEW YORK
From 12-JUN-15 17:45:00 to 12-JUN-15 17:55:00 (EST-5)
Location: MORAVIA
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm produced severe winds as it moved across the area. The thunderstorm resulted in trees being knocked over at Fillmore Glen State Park.

Thunderstorm Wind in CAYUGA, NEW YORK
From 12-JUN-15 17:50:00 to 12-JUN-15 17:59:00 (EST-5)
Location: LOCKE
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm produced severe winds as it moved across the area. The thunderstorm resulted in a tree being knocked over.

Thunderstorm Wind in DELAWARE, NEW YORK
From 12-JUN-15 19:25:00 to 12-JUN-15 19:35:00 (EST-5)
Location: DAVENPORT
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: State Official

A severe thunderstorm produced severe winds as it moved across the area. The thunderstorm resulted in trees being knocked over.

Thunderstorm Wind in OTSEGO, NEW YORK
From 12-JUN-15 19:20:00 to 12-JUN-15 19:30:00 (EST-5)
Location: ONEONTA
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Local Official

A severe thunderstorm produced severe winds as it moved across the area. The thunderstorm resulted in several trees being knocked over or uprooted. Power lines were knocked over due to falling trees.

Thunderstorm Wind in CHENANGO, NEW YORK
From 12-JUN-15 18:54:00 to 12-JUN-15 18:59:00 (EST-5)
Location: GUILFORD
Magnitude: 65.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Department of Highways

A severe thunderstorm produced severe winds as it moved across the area. The thunderstorm resulted in many trees being blown down and some lines knocked over near Oxford.

Thunderstorm Wind in CHENANGO, NEW YORK
From 12-JUN-15 19:15:00 to 12-JUN-15 19:25:00 (EST-5)
Location: BAINBRIDGE
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm produced severe winds as it moved across the area. The thunderstorm resulted in trees being knocked over in the Bainbridge-Afton area.

Thunderstorm Wind in OTSEGO, NEW YORK
From 12-JUN-15 19:00:00 to 12-JUN-15 19:10:00 (EST-5)
Location: NEW LISBON
Magnitude: 50.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: State Official

A severe thunderstorm produced severe winds as it moved across the area. The thunderstorm resulted in trees being knocked over in Otsego, Morris, Gilbertsville, Milford and Laurens.

Thunderstorm Wind in DELAWARE, NEW YORK
From 12-JUN-15 19:20:00 to 12-JUN-15 19:30:00 (EST-5)
Location: DAVENPORT
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: State Official

A severe thunderstorm produced severe winds as it moved across the area. The thunderstorm resulted in trees being knocked over.

Thunderstorm Wind in OTSEGO, NEW YORK
From 12-JUN-15 19:30:00 to 12-JUN-15 19:40:00 (EST-5)
Location: SCHENEVUS
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: State Official

A severe thunderstorm produced severe winds as it moved across the area. The thunderstorm resulted in trees being knocked over.

Thunderstorm Wind in DELAWARE, NEW YORK
From 12-JUN-15 19:40:00 to 12-JUN-15 19:50:00 (EST-5)
Location: TROUT CREEK
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: State Official

A severe thunderstorm produced severe winds as it moved across the area. The thunderstorm resulted in trees being knocked over in Delaware county and in the city of Walton.

Thunderstorm Wind in STEUBEN, NEW YORK
From 12-JUN-15 17:00:00 to 12-JUN-15 17:10:00 (EST-5)
Location: HOWARD
Magnitude: 60.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: State Official

A severe thunderstorm produced severe winds as it moved across the area. The thunderstorm resulted in a few trees being knocked over.

Funnel Cloud in OTSEGO, NEW YORK
From 12-JUN-15 16:45:00 to 12-JUN-15 16:50:00 (EST-5)
Location: WEST EXETER
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

A thunderstorm developed over the area and produced a rotating wall cloud. A funnel was reported with this wall cloud.