FloodZoneMap.org

Flash Flood — Tompkins, NY

Nov 16, 2006

A strong low pressure system tracked northeast from Kentucky to western New York state during the daylight hours on Thursday the 16th. A large fetch of Gulf and Atlantic moisture was pulled northward ahead of the cold front, which produced a squall line of thunderstorms with very heavy rainfall. This line of thunderstorms produced 45 to 74 mph winds across a large part of central NY. Additionally, the squall line spawned an F1 tornado north of Elmira, NY. As the squall line moved east, late in t

Source: NOAA National Weather Service Storm Events Database (event 4903). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Tompkins, NY

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

View Tompkins County flood data →

More Flood Stories

Flash Flood$1.5M damage

Tompkins, NY · Jun 14, 2015

A warm front stalled across New York and northern Pennsylvania, providing the focus for repeating clusters of thunderstorms in the Finger Lakes and Southern Tier NY regions.

Read the full account →
Flash Flood$75K damage

Tompkins, NY · Jul 24, 2017

A stationary front poised in the vicinity of central New York and northeast Pennsylvania was the focus for very warm and moist atmospheric conditions across the region.

Read the full account →
Flash Flood

Tompkins, NY · Jun 18, 2025

Slow moving thunderstorms developed in a warm and humid airmass during the afternoon hours over the Southern Tier of NY. Rainfall rates were excessive and produced up to 3 inches of rain within a 1-to-2-hour time span.

Read the full account →
Flash Flood$25K damage

Tompkins, 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 →