Flash Flood in Nassau County, New York

Flash Flood July 31, 2025 · Nassau County, New York

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

Video showing a street covered in feet of water that is spilling over onto the Long Island Railroad Great Neck train station platform and tracks.

The wider storm

A slow moving frontal boundary moved over the local area triggering heavy rainfall and thunderstorms across NJ and NYC causing flash flooding across the area resulting in vehicles being stranded and multiple road closures.

Began near Harbor Hills (40.7872, -73.7269).

Source: NOAA Storm Events Database, event 1284649. Narratives are written by the National Weather Service forecast office that issued the report.

Tornadoes near your address

See every tornado that passed near a place you know, measured to its path.