Flash Flood, Allegany
- When
- November 29, 4:00 PM EST to 7:00 PM EST
- Where
- Allegany County, Wellsville
- Property damage
- $20,000
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 42.117, -77.950
Flash Flood in New York, November 29, 2005
The passage of a cold front brought training thunderstorms to the county. Rainfall of up to two inches in less than an hour resulted in flash flooding in Wellsville.
Where it happened
Every event with a place to put it. 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
- $20,000
- 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 BUF wrote it up.
The passage of a cold front brought training thunderstorms to the county. Rainfall of up to two inches in less than an hour resulted in flash flooding in Wellsville. Basements were flooded and a portion of Route 19 was closed.
The radar
The Buffalo radar (KBUF), 113 km away, was scanning. The volume nearest the first event began at 20:59 UTC.
Event by event
1 flash flood. Local standard time, as filed.
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
- Wildfire in Oklahoma, November 29, 2005
- Flash Flooding and Flooding in West Virginia, November 29, 2005
- Flash Flood in Virginia, November 29, 2005
- Flash Flood and Damaging Winds in Maryland, November 29, 2005
- Strong Wind in New York, November 29, 2005
- Strong Wind in New Jersey, November 29, 2005
- Flooding in West Virginia, November 29, 2005
- Strong Wind in Pennsylvania, November 29, 2005
- Flood in Pennsylvania, November 29, 2005
- Flooding and Damaging Wind in Virginia, November 29, 2005
- Damaging Wind in Florida, November 29, 2005
- Flood in Pennsylvania, November 29 to 30, 2005
More
Every storm in New York in 2005Every state in 2005This day in weather historyWarnings in New York, November 2005
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 2026-09-30. Each event’s entry at NCEI: 5484260.