FloodZoneMap.org

Flash Flood — Westchester, NY

Aug 6, 2024

Several rounds of heavy thunderstorms developed over the area on the afternoon of August 6th. A slow moving frontal system stalled out over the area. PWATs of 2-2.2 inches and a sharp gradient of MUCAPE peaking out over the area near 2500 J/kg allowed for the development of strong thunderstorms producing torrential rainfall with rates upwards of 1.5-2.5 inches per hour. Total rainfall was 1-3 inches with localized amount up to 4-5 inches.

Source: NOAA National Weather Service Storm Events Database (event 1212538). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Westchester, NY

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

View Westchester County flood data →

More Flood Stories

Flash Flood2 deaths

Westchester, NY · Sep 1, 2021

Extremely heavy rainfall associated with the remnants of Hurricane Ida overspread southeast New York during the evening of September 1 and continued through the early morning hours of September 2.

Read the full account →
Flash Flood1 death

Westchester, NY · Sep 1, 2021

Extremely heavy rainfall associated with the remnants of Hurricane Ida overspread southeast New York during the evening of September 1 and continued through the early morning hours of September 2.

Read the full account →
Flash Flood1 death

Westchester, NY · Sep 1, 2021

Extremely heavy rainfall associated with the remnants of Hurricane Ida overspread southeast New York during the evening of September 1 and continued through the early morning hours of September 2.

Read the full account →
Flash Flood1 death

Westchester, NY · Sep 1, 2021

Extremely heavy rainfall associated with the remnants of Hurricane Ida overspread southeast New York during the evening of September 1 and continued through the early morning hours of September 2.

Read the full account →