Flash Flood, Suffolk
- When
- September 2, 12:25 PM EST
- Where
- Suffolk County, South Huntington
- Reported by
- TRAINED SPOTTER
- Coordinates
- 40.941, -72.685 (the zone’s center; the record gives no point)
Flash Flooding in New York, September 2, 2000
Slow moving thunderstorms produced torrential rain that caused serious widespread flash flooding of low-lying and poor drainage areas across a narrow band of west central Suffolk County. 5 inches per hour that lasted at least 2 consecutive hours.
Where it happened
Every event with a place to put it; 2 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
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- $500,000
- Crop damage
- None recorded
- Events
- 2
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 torrential rain that caused serious widespread flash flooding of low-lying and poor drainage areas across a narrow band of west central Suffolk County. NWS radar estimated rainfall rates from around 2 to 2.5 inches per hour that lasted at least 2 consecutive hours. Rainfall amounts estimated up to 5 inches caused water to rapidly accumulate to more than 3 feet on many streets and submerged several cars from South Huntington east to Dix Hills.Bands of heavy showers and thunderstorms moved very slowly southeast ahead of an approaching cold front. NWS radar estimated up to 6 inches of rain fell in the vicinity of Highland Falls, where numerous reports of flash flooding were received. At least 94 of 100 houses surveyed, showed at least minor flood damage. There were many flash flooding reports of basements, low-lying and poor drainage areas, and small streams.
The radar
The Brookhaven radar (KOKX), 17 km away, was scanning. The volume nearest the first event began at 17:27 UTC.
Event by event
2 flash flood. Local standard time, as filed.
Flash Flood, Orange
- When
- September 2, 6:15 PM EST
- Where
- Orange County, Highland Falls
- Property damage
- $500,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 41.402, -74.306 (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
- Damaging Winds and Lightning Strike in Ohio, September 2, 2000
- Heat in Oklahoma, September 2, 2000
- Damaging Wind in Arkansas, September 2, 2000
- Flash Flooding in West Virginia, September 2, 2000
- Damaging Winds in Texas, September 2, 2000
- Flash Flooding in New York, September 2, 2000
- Damaging Wind in Louisiana, September 2, 2000
- Damaging Winds in Texas, September 2, 2000
- Flash Flooding and Damaging Wind in New York, September 2, 2000
- Hail and Lightning Strike in Wisconsin, September 2, 2000
- Damaging Wind in Texas, September 2, 2000
- Tornado in Mississippi, September 2, 2000
More
Every storm in New York in 2000Every state in 2000This day in weather historyWarnings in New York, September 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: 5157184, 5157185.