Hurricane Irene brought heavy rains and high winds from northeast Pennsylvania to the Catskill Mountains of New York from Saturday evening the 27th to Sunday afternoon the 28th. Rainfall totaled from 2 to 5 inches over most of northeast Pennsylvania and in the Susquehanna Region of central New York. Between 4 and 8 inches of rain fell in the western Catskills with portions of Wyoming and northern Susquehanna Counties in northeast Pennsylvania and southern Broome County in  New York receiving 6 to 8 inches of rain. The heavy rains caused catastrophic flash flooding in eastern Delaware county on the East Branch of the Delaware River with major flood damage and 1 death reported in Margaretville and Fleischmanns. Over 200 people were evacuated with dozens rescued in this area.  Claryville, NY also saw historic record breaking flashing flooding along the Neversink River. Damages are estimated to be over 20 million dollars to Delaware and Sullivan Counties alone.
In addition, to the heavy rains, high winds from Irene knocked down numerous trees and power-lines across Broome, Delaware, Sullivan and Otsego counties in New York. During the height of the storm,  over 40,000 residences were without power. In some cases, power was not restored for one week.

Flash Flood in ONEIDA, NEW YORK
From 28-AUG-11 15:00:00 to 28-AUG-11 20:30:00 (EST-5)
Location: UTICA
Flood cause: Heavy Rain / Tropical System
Property damage: 75.00K
Crop damage: 0.00K
Reported by: County Official

Flash flooding occurred in the city of Utica along the Sauquoit Creek.

Flash Flood in BROOME, NEW YORK
From 28-AUG-11 12:44:00 to 28-AUG-11 14:45:00 (EST-5)
Location: STELLA
Flood cause: Heavy Rain / Tropical System
Property damage: 75.00K
Crop damage: 0.00K
Reported by: Newspaper

Numerous roads were closed due to water over bridges.

Flash Flood in BROOME, NEW YORK
From 28-AUG-11 10:38:00 to 28-AUG-11 14:00:00 (EST-5)
Location: CONKLIN
Flood cause: Heavy Rain / Tropical System
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Public

Several roads and one bridge were closed by flash flooding.

Flash Flood in OTSEGO, NEW YORK
From 28-AUG-11 13:00:00 to 28-AUG-11 14:45:00 (EST-5)
Location: CHERRY VLY
Flood cause: Heavy Rain / Tropical System
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Fifty people evacuated in Cherry Valley due to flooding. 5 inches of rain was reported.

Flash Flood in ONEIDA, NEW YORK
From 28-AUG-11 13:45:00 to 28-AUG-11 20:30:00 (EST-5)
Location: CLAYVILLE
Flood cause: Heavy Rain / Tropical System
Property damage: 40.00K
Crop damage: 0.00K
Reported by: Public

Flash flooding occurred along the Sauquoit creek from Clayville to New Hartford.

Flash Flood in OTSEGO, NEW YORK
From 28-AUG-11 14:00:00 to 28-AUG-11 20:30:00 (EST-5)
Location: COOPERSTOWN
Flood cause: Heavy Rain / Tropical System
Property damage: 100.00K
Crop damage: 0.00K
Reported by: County Official

Flash flooding reported in many locations around Otsego county. At least 8 roads closed due to flooding.

Flood in BROOME, NEW YORK
From 28-AUG-11 10:00:00 to 29-AUG-11 11:00:00 (EST-5)
Location: CONKLIN
Flood cause: Heavy Rain / Tropical System
Property damage: 40.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The Susquehanna River at Conklin crested at 16.34 feet at 400 pm EST August 28th, 2011.

Flood in SULLIVAN, NEW YORK
From 28-AUG-11 07:15:00 to 29-AUG-11 05:15:00 (EST-5)
Location: GLEN WILD
Flood cause: Heavy Rain / Tropical System
Property damage: 50.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The Neversink River at Bridgeville crested at 18.02 feet at 900 pm EST August 28th, 2011.

Flash Flood in BROOME, NEW YORK
From 28-AUG-11 08:21:00 to 28-AUG-11 13:00:00 (EST-5)
Location: CONKLIN FORKS
Flood cause: Heavy Rain / Tropical System
Property damage: 10.00K
Crop damage: 0.00K
Reported by: County Official

Water from very heavy rains was flowing across Pierce Creek road.

Flood in DELAWARE, NEW YORK
From 28-AUG-11 11:00:00 to 30-AUG-11 12:00:00 (EST-5)
Location: HARVARD
Flood cause: Heavy Rain / Tropical System
Property damage: 50.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The East Branch of the Delaware River at Harvard crested at 13.31 feet at 1015 am EST August 28th, 2011.

Flood in DELAWARE, NEW YORK
From 28-AUG-11 11:00:00 to 28-AUG-11 21:30:00 (EST-5)
Location: FISHS EDDY
Flood cause: Heavy Rain / Tropical System
Property damage: 50.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The East Branch of the Delaware River at Fishes Eddy crested at 16.04 feet at 400 pm EST August 28th, 2011.

Flash Flood in DELAWARE, NEW YORK
From 28-AUG-11 08:28:00 to 28-AUG-11 19:00:00 (EST-5)
Location: FLEISCHMANNS
Flood cause: Heavy Rain / Tropical System
Property damage: 5.00M
Crop damage: 0.00K
Reported by: Public

Catastrophic flash flooding occurred through the town of Fleischmanns. Homes were washed off foundations, slamming into other homes. Over 200 people were evacuated before the flash flood hit. Some people who did not evacuate had to be rescued.  One woman was killed when the building she was in collapsed due to the flood waters.

Flash Flood in SULLIVAN, NEW YORK
From 28-AUG-11 11:00:00 to 28-AUG-11 17:00:00 (EST-5)
Location: WINTERTON
Flood cause: Heavy Rain / Tropical System
Property damage: 500.00K
Crop damage: 0.00K
Reported by: Public

Streams were flowing into buildings due to flash flooding. Route 209 was flooded.

Flash Flood in DELAWARE, NEW YORK
From 28-AUG-11 09:38:00 to 28-AUG-11 12:30:00 (EST-5)
Location: BEDELL
Flood cause: Heavy Rain / Tropical System
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Public

Batavia kill flooded Route 36 near Dimmock Mountain road.

Flash Flood in DELAWARE, NEW YORK
From 28-AUG-11 08:15:00 to 28-AUG-11 20:00:00 (EST-5)
Location: ARKVILLE
Flood cause: Heavy Rain / Tropical System
Property damage: 5.00M
Crop damage: 0.00K
Reported by: Emergency Manager

Approximately 100 homes and businesses were flooded by a wall of water flowing down the East Branch of the Delaware River. Numerous roads and bridges were severely flooded. Mass evacuations took place before the flood occurred. Some people did not evacuate and were rescued by helicopter.

Flash Flood in SULLIVAN, NEW YORK
From 28-AUG-11 10:17:00 to 28-AUG-11 17:30:00 (EST-5)
Location: LOWES CORNERS
Flood cause: Heavy Rain / Tropical System
Property damage: 500.00K
Crop damage: 0.00K
Reported by: Public

Water was flowing through buildings from flash flooding.

Flash Flood in BROOME, NEW YORK
From 28-AUG-11 10:28:00 to 28-AUG-11 14:00:00 (EST-5)
Location: CONKLIN
Flood cause: Heavy Rain / Tropical System
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Public

Water was flowing over many roads in the Kirkwood area.

High Wind in BROOME, NEW YORK
From 28-AUG-11 09:00:00 to 28-AUG-11 17:00:00 (EST-5)
Magnitude: 50.00 EG
Property damage: 300.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Numerous trees and power-lines were knocked down due to high winds. 20,669 customers were without power.

Flash Flood in DELAWARE, NEW YORK
From 28-AUG-11 09:00:00 to 28-AUG-11 14:30:00 (EST-5)
Location: DEPOSIT
Flood cause: Heavy Rain / Tropical System
Property damage: 250.00K
Crop damage: 0.00K
Reported by: Amateur Radio

State of emergency was put into effect for major flash flooding in the Deposit area. Numerous roads were closed due to flash flooding.

Flash Flood in SULLIVAN, NEW YORK
From 28-AUG-11 07:00:00 to 28-AUG-11 17:00:00 (EST-5)
Location: LOWES CORNERS
Flood cause: Heavy Rain / Tropical System
Property damage: 1.00M
Crop damage: 0.00K
Reported by: Public

Catastrophic flash flooding occurred in Claryville. Route 19 was completely covered with water. Numerous mud slides were reported. Many residents reported this as historic flooding, the worse they have ever seen. Fifty homes were flooded.

High Wind in SULLIVAN, NEW YORK
From 28-AUG-11 11:00:00 to 28-AUG-11 18:00:00 (EST-5)
Magnitude: 50.00 EG
Property damage: 300.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Numerous trees and power-lines were knocked down due to high winds. 20,986 customers were without power.

High Wind in DELAWARE, NEW YORK
From 28-AUG-11 11:00:00 to 28-AUG-11 18:00:00 (EST-5)
Magnitude: 50.00 EG
Property damage: 200.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Numerous trees and power-lines were knocked down due to high winds.  12,994 customers were without power.

High Wind in OTSEGO, NEW YORK
From 28-AUG-11 11:00:00 to 28-AUG-11 18:00:00 (EST-5)
Magnitude: 50.00 EG
Property damage: 200.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Numerous trees and power-lines were knocked down due to high winds. 10,037 customers were without power.

Flash Flood in BROOME, NEW YORK
From 28-AUG-11 11:30:00 to 28-AUG-11 14:30:00 (EST-5)
Location: VESTAL
Flood cause: Heavy Rain / Tropical System
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Major flash flooding occurred along the Choconut Creek. Many roads were flooded in the Vestal area.

Flash Flood in BROOME, NEW YORK
From 28-AUG-11 12:26:00 to 28-AUG-11 14:45:00 (EST-5)
Location: VESTAL CENTER
Flood cause: Heavy Rain / Tropical System
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Public

West Hill and Juneberry roads were closed due to water over bridges.

Flash Flood in SULLIVAN, NEW YORK
From 28-AUG-11 07:29:00 to 28-AUG-11 16:00:00 (EST-5)
Location: WHITE SULPHUR SPGS
Flood cause: Heavy Rain / Tropical System
Property damage: 200.00K
Crop damage: 0.00K
Reported by: Public

Heavy rain caused streams to flow over roads and flood bridges.