New York, 2000

Flash Flood in New York, August 1, 2000

August 1, 2000 · NWS OKX · 1 event in 1 county or zone

Bands of torrential rain along with thunderstorms moved slowly north across the region. 5 inches per hour developed around 9 am EDT and by 10:10 am EDT, widespread flooding of low-lying and poor drainage areas was reported by police from Amagansett to Montauk Point.

Where it happened

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  • Tropical storms and surge
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  • Cold
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  • Marine and coastal
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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
1

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.

Bands of torrential rain along with thunderstorms moved slowly north across the region. Rainfall rates of around 1.5 inches per hour developed around 9 am EDT and by 10:10 am EDT, widespread flooding of low-lying and poor drainage areas was reported by police from Amagansett to Montauk Point. The NWS Cooperative Observer from Bridgehampton measured 2.02 inches. Heavy rain, with amounts generally under 2 inches, occurred along the Northern Twin Fork from east of Mattituck to Orient Point from around 9 am to 10 am EDT.

The radar

The Brookhaven radar (KOKX), 17 km away, was scanning. The volume nearest the first event began at 14:12 UTC.

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Event by event

1 flash flood. Local standard time, as filed.

Flash Flood, Suffolk

When
August 1, 9:10 AM EST to 9:45 AM EST
Where
Suffolk County, Amagansett
Reported by
LAW ENFORCEMENT
Coordinates
40.941, -72.685 (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: 5169534.