Flood Event Summaries

The following links present data from previous flood events in a map view format, illustrating floods measured on a network-wide scale. Users can view maximum flood depths measured across the network during a given event, view a time-lapse of the flood progression, and interact with a graph of all sensor data collected during the event.

These summaries are generated from a subset of our flood data, including some of the deepest and most widespread flood events the FloodNet sensor network has captured. A comprehensive dataset of measured floods can be found on NYC Open Data. To view real-time data from FloodNet sensors, please visit our data dashboard.

5/20/26 Stormwater Flood

10/30/25 Stormwater Flood

7/31/25 Stormwater Flood

7/14/25 Stormwater Flood

8/18/24 Stormwater Flood

4/2 - 4/4/24 Tidal Flood

1/12 - 1/13/24 Tidal Flood

9/29/23 Stormwater Flood

12/23/22 Tidal and Stormwater Flood

9/13/22 Stormwater Flood

9/1/21 Stormwater Flood (Hurricane Ida)

8/21/21 Stormwater Flood (Tropical Storm Henri)