Flash Flood, Suffolk
- When
- January 15, 8:55 AM EST
- Where
- Suffolk County, Lindenhurst
- Reported by
- TRAINED SPOTTER
- Coordinates
- 40.941, -72.685 (the zone’s center; the record gives no point)
Flash Flooding in New York, January 15, 1999
In Nassau County, a portion of Valley Stream Blvd. 74 inches at Farmingdale.
Where it happened
Every event with a place to put it; 3 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
- None recorded
- Crop damage
- None recorded
- Events
- 3
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.
As heavy rain fell on a frozen ground surface with partially clogged storm drains, widespread flash flooding of low-lying and poor drainage areas occurred across the region.In Suffolk County, up to 3 feet of water collected on low-lying roads from Lindenhurst to Bay Shore.In Nassau County, a portion of Valley Stream Blvd. north of Village Green was washed away.In Staten Island, up to 2 feet of water collected in many streets in South Beach.Rainfall amounts ranged from 1.16 inches at Westhampton to 1.74 inches at Farmingdale.
The radar
The national radar mosaic for the moment the first event began.
Event by event
3 flash flood. Local standard time, as filed.
Flash Flood, Nassau
- When
- January 15, 9:00 AM EST
- Where
- Nassau County, Valley Stream
- Reported by
- NEWSPAPER
- Coordinates
- 40.732, -73.585 (the zone’s center; the record gives no point)
Flash Flood, Richmond
- When
- January 15, 9:15 AM EST
- Where
- Richmond County, South Beach
- Reported by
- NEWSPAPER
- 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
- Heavy Snow in New York, January 15 to 25, 1999
- Winter Storm in New York, January 15, 1999
- Strong Wind and Heavy Rain in Rhode Island, January 15, 1999
- Strong Wind and Heavy Rain in Massachusetts, January 15, 1999
- Heavy Snow in New York, January 15 to 16, 1999
- Winter Storm in New Jersey, January 15, 1999
- Flash Flooding in Connecticut, January 15, 1999
- Winter Weather in Massachusetts, January 15, 1999
- Winter Weather in Virginia, January 15, 1999
- Winter Storm in New York, January 15, 1999
- Flash Flooding in New Jersey, January 15, 1999
- Heavy Snow in Utah, January 15 to 19, 1999
More
Every storm in New York in 1999Every state in 1999This day in weather historyWarnings in New York, January 1999
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 2026-10-01. Each event’s entry at NCEI: 5696189, 5696190, 5696191.