FloodZoneMap.org

Flash Flood — Sullivan, NY

Aug 28, 2011

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 t

Source: NOAA National Weather Service Storm Events Database (event 345279). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Sullivan, NY

This event is one of many recorded floods in Sullivan County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.

View Sullivan County flood data →

More Flood Stories

Flash Flood1 death$100.0M damage

Sullivan, NY · Jun 27, 2006

Tropical moisture continued to stream northward into the Catskills ahead of a frontal system which slowly moved westward into the eastern Great Lakes by Tuesday morning the 27th.

Read the full account →
Flash Flood1 death$10K damage

Sullivan, NY · Oct 1, 2010

An upper level low pressure system interacting with abundant tropical moisture from the remnants of Tropical Storm Nicole dropped 3 to 6 inches of rain across central New York.

Read the full account →
Flash Flood$20K damage

Sullivan, NY · Dec 18, 2023

Low pressure moved north along the Atlantic Seaboard spreading steady and heavy rain into central New York during the overnight hours. Rainfall amounts of 2 to 4 inches were observed along with a considerable amount of melting snow into area rivers and streams.

Read the full account →
Flash Flood$20K damage

Sullivan, NY · Oct 26, 2021

Deep moisture from the Atlantic Ocean was fed into a warm frontal zone located over Central New York by low pressure near New York City. This led to areas of moderate to heavy rainfall totaling between 3 to 5 inches of rain with locally higher amounts.

Read the full account →