New York, 2000

Flash Flooding in New York, August 11 to 12, 2000

August 11 to 12, 2000 · NWS OKX · 8 events in 7 counties and zones

In Bayville, water quickly ponded and rose up to 3 feet, which caused a road closure near the Tide Motel. Nassau County Police reported severe flooding near the town beach.

Where it happened

Every event with a place to put it; 8 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
8

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.

Slow moving thunderstorms produced rainfall rates estimated at around 2 inches per hour, which caused significant flooding of low-lying and poor drainage areas.In Huntington, significant flooding occurred along parts of Route 25 and Melville Road.In Yorktown Heights, serious flooding was reported on Commerce Street and Route 118.In Putnam Valley, flooding occurred on Peekskill Hollow Road.In Rockland County, significant flooding caused the closure of many roads in several locations throughout the county.In Pelham Manor, flooding occurred along parts of the Hutchinson River Parkway near Lincoln Avenue.In the Bronx, cars were submerged in rising water and trapped many people.In Bayville, water quickly ponded and rose up to 3 feet, which caused a road closure near the Tide Motel. Nassau County Police reported severe flooding near the town beach. NWS radar estimated a 2 to 3 inch rainfall from 2:30 am to 3:30 am, with up to 5 inches during the preceding 24 hours.In Howard Beach (just west of JFK Airport), water quickly ponded and rose up to 2 feet on Cross Bay Blvd. at the Belt Parkway. The Automated Surface Observing System at JFK Airport measured 1.53 inches.

The radar

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

Open the radar archive at this moment

Event by event

8 flash flood. Local standard time, as filed.

Flash Flood, Suffolk

When
August 11, 12:30 PM EST
Where
Suffolk County, Huntington
Reported by
TRAINED SPOTTER
Coordinates
40.941, -72.685 (the zone’s center; the record gives no point)

Flash Flood, Westchester

When
August 11, 12:40 PM EST
Where
Westchester County, Yorktown Hgts
Reported by
LAW ENFORCEMENT
Coordinates
41.152, -73.753 (the zone’s center; the record gives no point)

Flash Flood, Putnam

When
August 11, 2:05 PM EST
Where
Putnam County, Putnam Vly
Reported by
LAW ENFORCEMENT
Coordinates
41.427, -73.749 (the zone’s center; the record gives no point)

Flash Flood, Rockland

When
August 11, 4:30 PM EST to 5:10 PM EST
Where
Rockland County, Countywide
Reported by
TRAINED SPOTTER
Coordinates
41.152, -74.024 (the zone’s center; the record gives no point)

Flash Flood, Westchester

When
August 11, 6:05 PM EST
Where
Westchester County, Pelham Manor
Reported by
TRAINED SPOTTER
Coordinates
41.152, -73.753 (the zone’s center; the record gives no point)

Flash Flood, Bronx

When
August 11, 6:10 PM EST
Where
Bronx County, Bronx
Reported by
TRAINED SPOTTER
Coordinates
40.827, -73.924 (the zone’s center; the record gives no point)

Flash Flood, Nassau

When
August 12, 3:11 AM EST
Where
Nassau County, Bayville
Reported by
TRAINED SPOTTER
Coordinates
40.732, -73.585 (the zone’s center; the record gives no point)

Flash Flood, Queens

When
August 12, 6:12 AM EST
Where
Queens County, Kennedy Intl Arpt
Reported by
TRAINED SPOTTER
Coordinates
40.658, -73.839 (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 2000Every state in 2000This day in weather historyWarnings in New York, August 2000

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: 5169542, 5169543, 5169544, 5169545, 5169546, 5169547, 5169548, 5169549.