A warm front positioned over Northeast Pennsylvania acted as the focus for several rounds of late night and early morning thunderstorm activity in the area. A deep moist environment was prime for the production of slow moving, heavy rainfall which contributed to several areas of localized flash flooding.

Flash Flood in CHEMUNG, NEW YORK
From 18-SEP-18 00:30:00 to 18-SEP-18 05:00:00 (EST-5)
Location: CHEMUNG
Flood cause: Heavy Rain
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Numerous village roads were flooded around Chemung.

Flash Flood in CHEMUNG, NEW YORK
From 18-SEP-18 00:40:00 to 18-SEP-18 03:30:00 (EST-5)
Location: WELLSBURG
Flood cause: Heavy Rain
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Numerous roads were flooded in Wellsburg. One bridge was damaged, and a trailer park was evacuated.

Flash Flood in CHEMUNG, NEW YORK
From 18-SEP-18 00:30:00 to 18-SEP-18 05:00:00 (EST-5)
Location: VAN ETTEN
Flood cause: Heavy Rain
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Several roads were flooded in the area.

Flash Flood in CHEMUNG, NEW YORK
From 18-SEP-18 01:11:00 to 18-SEP-18 03:30:00 (EST-5)
Location: WELLSBURG
Flood cause: Heavy Rain
Property damage: 15.00K
Crop damage: 0.00K
Reported by: State Official

Several roads experienced rapid flooding in the area. Merriam Road was impassable due to rushing flood waters and possible road scouring.

Flash Flood in BROOME, NEW YORK
From 18-SEP-18 01:21:00 to 18-SEP-18 05:00:00 (EST-5)
Location: ITASKA
Flood cause: Heavy Rain
Property damage: 35.00K
Crop damage: 0.00K
Reported by: State Official

Water was flowing over Route 79 and surrounding homes. Evacuations of several locations was needed.

Flash Flood in CHEMUNG, NEW YORK
From 18-SEP-18 01:25:00 to 18-SEP-18 03:30:00 (EST-5)
Location: ELMIRA
Flood cause: Heavy Rain
Property damage: 15.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Flooding occurred along Route 427 near Maple Avenue. All lanes were closed in the area of the Berwick Turnpike.

Flash Flood in CHEMUNG, NEW YORK
From 18-SEP-18 01:45:00 to 18-SEP-18 03:30:00 (EST-5)
Location: WELLSBURG
Flood cause: Heavy Rain
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Flash flooding was reported across all lanes of Route 367 neara the NY/PA border. Both directions of the highway were closed.

Flash Flood in TIOGA, NEW YORK
From 18-SEP-18 01:53:00 to 18-SEP-18 05:00:00 (EST-5)
Location: NORTH SPENCER
Flood cause: Heavy Rain
Property damage: 20.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Flash flooding was occurring over several sections of Route 96. All lanes were closed.

Flash Flood in TIOGA, NEW YORK
From 18-SEP-18 02:00:00 to 18-SEP-18 03:30:00 (EST-5)
Location: LITCHFIELD
Flood cause: Heavy Rain
Property damage: 8.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Numerous roads were flooded in the Village of Waverly. Several people were stranded by flood waters.

Flash Flood in TIOGA, NEW YORK
From 18-SEP-18 02:15:00 to 18-SEP-18 03:30:00 (EST-5)
Location: TIOGA CENTER
Flood cause: Heavy Rain
Property damage: 250.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Severe flash flooding closed numerous roads and bridges. A railroad bridge was almost to the point of collapse, shutting down a major railroad line in the Southern Tier of New York. A pedestrian bridge was washed away and a trailer park was evacuated. Numerous structures were involved in the flooding.

Flash Flood in BROOME, NEW YORK
From 18-SEP-18 02:26:00 to 18-SEP-18 05:00:00 (EST-5)
Location: MAINE
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 0.00K
Reported by: State Official

Route 26 was closed due to flooding near Glen Aubrey.

Flash Flood in OTSEGO, NEW YORK
From 18-SEP-18 03:49:00 to 18-SEP-18 05:00:00 (EST-5)
Location: GILBERTSVILLE
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 0.00K
Reported by: State Official

Water was flowing across County Road 4 near Mill Street.

Flash Flood in OTSEGO, NEW YORK
From 18-SEP-18 04:26:00 to 18-SEP-18 06:30:00 (EST-5)
Location: LAURENS
Flood cause: Heavy Rain
Property damage: 10.00K
Crop damage: 0.00K
Reported by: State Official

A road was washed out near Pool Brook Road and County Route 11.

Flash Flood in OTSEGO, NEW YORK
From 18-SEP-18 04:53:00 to 18-SEP-18 06:30:00 (EST-5)
Location: WEST LAURENS
Flood cause: Heavy Rain
Property damage: 10.00K
Crop damage: 0.00K
Reported by: State Official

Flash flooding closed Russell Hill Road and Naylors Corner Road.

Flash Flood in CHENANGO, NEW YORK
From 18-SEP-18 05:00:00 to 18-SEP-18 06:30:00 (EST-5)
Location: OXFORD
Flood cause: Heavy Rain
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Several roads around Oxford were flooded.