High pressure moved off the east coast ahead of an approaching cold front, allowing southwest winds to bring a flow of hot and humid air across the region. Showers and thunderstorms developed out ahead of this strong cold front, with numerous reports of large hail and wind damage.

Flash Flood in DELAWARE, NEW YORK
From 19-JUN-07 18:30:00 to 19-JUN-07 21:30:00 (EST-5)
Location: DOWNSVILLE
Flood cause: Heavy Rain
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Amateur Radio

State Route 206/County Route 7 between Downsville and Roscoe was closed due to flash flooding. Heavy rain began significant flooding of this area at 730 am EDT.

Flash Flood in DELAWARE, NEW YORK
From 19-JUN-07 18:50:00 to 19-JUN-07 22:00:00 (EST-5)
Location: COLCHESTER
Flood cause: Heavy Rain
Property damage: 30.00M
Crop damage: 0.00K
Reported by: County Official

A catastrophic flash flood occurred the evening of June 19th. The area along the border of Delaware and Sullivan Counties received between 8 and 11 inches of rain in 2 to 3 hours. The water washed out one bridge, damaged several other bridges and roads, destroyed all land-line and cellular communications and ripped homes from their foundations.
4 people were killed by what was described as a 4 to 8 foot wall of water which torn down the hill close to route 206/county route 7. 3 of the people that were killed were in homes that were washed away. 1 person was in a car. The flooding abated late in the evening.
A detailed assessment of the damages to the homes and businesses in Delaware county was conducted by the New York State Emergency Management Office and the Federal Emergency Management Agency. These assessments found that 37 homes had been destroyed and 16 additional homes had suffered major damages. A section of route 206/county route 7 was destroyed between Rockland and Downsville. The flooding tore a 26 foot deep gully into state route 206/county route 7. Total damages were around 30 million dollars.

Flood in DELAWARE, NEW YORK
From 20-JUN-07 00:00:00 to 20-JUN-07 00:15:00 (EST-5)
Location: COOKS FALLS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

The Beaver Kill Creek at Cooks Falls exceeded the flood stage of 10 feet at midnight EDT of June 20th. The Beaver Kill at Cooks Falls rose extremely rapidly from 1.2 feet close to 1100 pm edt to over 8 feet in 15 minutes or less. The Beaver Kill crested at 10.16 feet before quickly falling back below flood stage by 1215 am EDT.

Thunderstorm Wind in DELAWARE, NEW YORK
From 19-JUN-07 19:00:00 to 19-JUN-07 19:00:00 (EST-5)
Location: COOKS FALLS
Magnitude: 50.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Newspaper

Several trees were blown down. Power was out with no phone service.

Flash Flood in SULLIVAN, NEW YORK
From 19-JUN-07 19:00:00 to 19-JUN-07 22:00:00 (EST-5)
Location: ROCKLAND
Flood cause: Heavy Rain
Property damage: 300.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Beaver Kill Road was washed out just across the border of Delaware County in the town of Rockland by flash flooding. 300,000 dollars worth of damage was done to this road.

Hail in ONONDAGA, NEW YORK
From 19-JUN-07 14:00:00 to 19-JUN-07 14:00:00 (EST-5)
Location: LIVERPOOL
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in ONEIDA, NEW YORK
From 19-JUN-07 14:15:00 to 19-JUN-07 14:15:00 (EST-5)
Location: WATERVILLE
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in DELAWARE, NEW YORK
From 19-JUN-07 16:51:00 to 19-JUN-07 16:51:00 (EST-5)
Location: PEPACTON BRANCH
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in CAYUGA, NEW YORK
From 19-JUN-07 13:10:00 to 19-JUN-07 13:10:00 (EST-5)
Location: OWASCO
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: County Official

Several trees were blown down on Melrose Road.

Thunderstorm Wind in SENECA, NEW YORK
From 19-JUN-07 13:20:00 to 19-JUN-07 13:20:00 (EST-5)
Location: INTERLAKEN
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: County Official

Trees were blown down in Interlaken and Trumansburg on the Seneca County side.

Thunderstorm Wind in ONEIDA, NEW YORK
From 19-JUN-07 13:40:00 to 19-JUN-07 13:40:00 (EST-5)
Location: ROME
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: County Official

Trees were blown down in Rome, Verona and Lowell.

Thunderstorm Wind in BROOME, NEW YORK
From 19-JUN-07 14:00:00 to 19-JUN-07 14:00:00 (EST-5)
Location: TRIANGLE
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: County Official

Trees were blown down in Triangle.

Thunderstorm Wind in ONONDAGA, NEW YORK
From 19-JUN-07 14:30:00 to 19-JUN-07 14:30:00 (EST-5)
Location: FABIUS
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

Several trees were blown down.

Thunderstorm Wind in CHENANGO, NEW YORK
From 19-JUN-07 14:05:00 to 19-JUN-07 14:05:00 (EST-5)
Location: SMITHVILLE FLATS
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: County Official

Trees and poles were blown down.

Thunderstorm Wind in CORTLAND, NEW YORK
From 19-JUN-07 14:43:00 to 19-JUN-07 14:43:00 (EST-5)
Location: CINCINNATUS
Magnitude: 50.00 EG
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Wires were blown down. A tree fell on a house.

Thunderstorm Wind in SULLIVAN, NEW YORK
From 19-JUN-07 19:05:00 to 19-JUN-07 19:05:00 (EST-5)
Location: KENOZA LAKE
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: County Official

Trees and wires were blown down.

Hail in ONONDAGA, NEW YORK
From 19-JUN-07 13:55:00 to 19-JUN-07 13:55:00 (EST-5)
Location: TULLY CENTER
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in OTSEGO, NEW YORK
From 19-JUN-07 19:10:00 to 19-JUN-07 19:10:00 (EST-5)
Location: ONEONTA
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: County Official

Numerous trees and wires were blown down throughout the city.

Thunderstorm Wind in OTSEGO, NEW YORK
From 19-JUN-07 19:15:00 to 19-JUN-07 19:15:00 (EST-5)
Location: ONEONTA
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Amateur Radio

Trees and wires were blown down.

Hail in MADISON, NEW YORK
From 19-JUN-07 13:30:00 to 19-JUN-07 13:30:00 (EST-5)
Location: ONEIDA
Magnitude: 0.75 
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in CORTLAND, NEW YORK
From 19-JUN-07 14:00:00 to 19-JUN-07 14:00:00 (EST-5)
Location: CORTLAND
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: County Official

Trees were blown down by strong thunderstorm winds.

Thunderstorm Wind in DELAWARE, NEW YORK
From 19-JUN-07 17:45:00 to 19-JUN-07 17:45:00 (EST-5)
Location: COLCHESTER
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Newspaper

Trees and wires blown down.

Thunderstorm Wind in MADISON, NEW YORK
From 19-JUN-07 14:52:00 to 19-JUN-07 14:52:00 (EST-5)
Location: SULLIVAN
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: County Official

Several trees were blown down.

Thunderstorm Wind in CHENANGO, NEW YORK
From 19-JUN-07 15:05:00 to 19-JUN-07 15:05:00 (EST-5)
Location: BAINBRIDGE
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: County Official

Trees were blown down.

Thunderstorm Wind in OTSEGO, NEW YORK
From 19-JUN-07 15:32:00 to 19-JUN-07 15:32:00 (EST-5)
Location: UNADILLA
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: County Official

Trees fell on wires.

Thunderstorm Wind in CHENANGO, NEW YORK
From 19-JUN-07 15:45:00 to 19-JUN-07 15:45:00 (EST-5)
Location: BAINBRIDGE
Magnitude: 52.00 EG
Crop damage: 0.00K
Reported by: Public

Trees were blown down.

Thunderstorm Wind in CHENANGO, NEW YORK
From 19-JUN-07 15:46:00 to 19-JUN-07 15:46:00 (EST-5)
Location: BAINBRIDGE
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

Numerous trees and wires were blown down along Route 38.

Thunderstorm Wind in BROOME, NEW YORK
From 19-JUN-07 16:15:00 to 19-JUN-07 16:15:00 (EST-5)
Location: EAST WINDSOR
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: County Official

Several trees were blown down. One tree fell on a car.

Thunderstorm Wind in DELAWARE, NEW YORK
From 19-JUN-07 17:45:00 to 19-JUN-07 17:45:00 (EST-5)
Location: COOKS FALLS
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Newspaper

Numerous trees were blown down.

Thunderstorm Wind in OTSEGO, NEW YORK
From 19-JUN-07 19:05:00 to 19-JUN-07 19:05:00 (EST-5)
Location: OTEGO
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: County Official

Trees and wires were blown down.