Event narrative (NOAA)
Heavy rain from thunderstorms caused significant flash flooding. All roads in the towns of Colchester were closed, and a State of Emergency was declared. 15-20 residents were evacuated near County Highway 7. Serious damage occurred to a bridge on the highway. Portions of the road on Holiday and Berry Brook were completely washed out, and one rescue took place from a car. Flooding also occurred along Route 206 from Rockland to Route 30. Highway 17 west of Roscoe, Old Route 17 near Roscoe and Route 17 eastbound east of Roscoe were all closed due to washouts of portions of the highway. Water surrounded a home in Jeffersonville.
Other notable flash flood events in New York
Source: NOAA/NCEI Storm Events Database. Deaths and injuries are those NOAA classifies as direct. Damage is the reporting office's estimate at the time and is not inflation-adjusted. This is a catalogue record, not a forecast.