New York, 1996

Flash Flooding in New York, July 3, 1996

July 3, 1996 · NWS OKX · 5 events in 5 counties and zones

Strong thunderstorms during late morning and again from late afternoon through early evening produced torrential rain that caused widespread flash flooding of low lying and poor drainage areas, small streams, and rivers. Cars were trapped in flooding on the Long Island Expressway in Queens and the Northern State Parkway in Nassau Counties.

Where it happened

Every event with a place to put it; 5 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
5

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS OKX wrote it up.

Strong thunderstorms during late morning and again from late afternoon through early evening produced torrential rain that caused widespread flash flooding of low lying and poor drainage areas, small streams, and rivers. Cars were trapped in flooding on the Long Island Expressway in Queens and the Northern State Parkway in Nassau Counties. In Rockland County, torrential rains forced the Mahwah River over its banks flooding parts of the New York State Thruway near Suffern. Serious road flooding was also reported along Richmond Parkway in Staten Island.At around 6:00 pm EST, lightning set a roof on fire in New Rochelle in Southern Westchester County. No injuries or deaths were reported.

The radar

The national radar mosaic for the moment the first event began.

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Event by event

5 flash flood. Local standard time, as filed.

Flash Flood, Westchester

When
July 3, 11:00 AM EST
Where
Westchester County, Cen/Sou Westchester
Coordinates
41.152, -73.753 (the zone’s center; the record gives no point)

Strong thunderstorms moved slowly across Central and Southern Westchester County. Torrential rainfall caused flash flooding of low-lying and poor drainage areas, especially across the major highways.

Flash Flood, Queens

When
July 3, 3:20 PM EST
Where
Queens County, Long Island Expwy
Coordinates
40.658, -73.839 (the zone’s center; the record gives no point)

Flash Flood, Nassau

When
July 3, 3:50 PM EST
Where
Nassau County, Northern State Pkwy
Coordinates
40.732, -73.585 (the zone’s center; the record gives no point)

Flash Flood, Rockland

When
July 3, 4:40 PM EST
Where
Rockland County, Suffern
Coordinates
41.152, -74.024 (the zone’s center; the record gives no point)

Flash Flood, Richmond

When
July 3, 6:40 PM EST
Where
Richmond County, Richmond Pkwy
Coordinates
40.583, -74.150 (the zone’s center; the record gives no point)

What these are

Flash Flood
Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in New York in 1996Every state in 1996This day in weather historyWarnings in New York, July 1996

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5583679, 5583680, 5583681, 5583682, 5583683.