Alert archive / New York / Flash Flood Warnings / 2009
Flash Flood Warnings in New York, August 2009
42 flash flood warnings in August 2009. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of flash flood warnings reaches back to 1986.
Flash Flood Warnings by county
Each county as a circle sized by its count in August 2009. Tap one for its archive.
- Flash Flood Warnings
- 42
- Busiest day
- August 10, 200918 flash flood warnings
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 11:07 AM EDT | Flash Flood Warning | BGM | Sullivan | 4 hr |
| Aug 5, 12:33 AM EDT | Flash Flood Warning | BUF | Erie | 2 hr |
| Aug 9, 2:18 PM EDT | Flash Flood Warning | BUF | Allegany, Cattaraugus, Chautauqua | 84 min |
| Aug 9, 8:04 PM EDT | Flash Flood Warning | BUF | Wayne | 3 hr |
| Aug 9, 9:17 PM EDT | Flash Flood Warning | BUF | Cayuga, Wayne | 3 hr |
| Aug 9, 10:59 PM EDT | Flash Flood Warning | BUF | Wayne | 64 min |
| Aug 9, 11:15 PM EDT | Flash Flood Warning | BGM | Cayuga, Cortland, Onondaga | 6 hr |
| Aug 9, 11:26 PM EDT | Flash Flood Warning | BUF | Allegany, Cattaraugus, Chautauqua, Erie | 3 hr |
| Aug 9, 11:30 PM EDT | Flash Flood Warning | BGM | Delaware, Sullivan | 5 hr |
| Aug 10, 12:37 AM EDT | Flash Flood Warning | OKX | Orange | 3 hr |
| Aug 10, 12:49 AM EDT | Flash Flood Warning | BGM | Broome, Chenango, Cortland, Delaware, Otsego | 6 hr |
| Aug 10, 5:15 AM EDT | Flash Flood Warning | BUF | Genesee, Niagara, Orleans | 109 min |
| Aug 10, 6:02 AM EDT | Flash Flood Warning | BUF | Genesee, Livingston, Monroe, Ontario, Orleans, Wayne | 109 min |
| Aug 10, 6:43 AM EDT | Flash Flood Warning | BUF | Chautauqua | 3 hr |
| Aug 10, 2:52 PM EDT | Flash Flood Warning | BUF | Chautauqua | 76 min |
| Aug 10, 5:01 PM EDT | Flash Flood Warning | BGM | Cortland | 3 hr |
| Aug 10, 5:08 PM EDT | Flash Flood Warning | BUF | Niagara | 45 min |
| Aug 10, 5:18 PM EDT | Flash Flood Warning | BGM | Tompkins | 3 hr |
| Aug 10, 5:41 PM EDT | Flash Flood Warning | BGM | Broome, Chenango | 3 hr |
| Aug 10, 7:08 PM EDT | Flash Flood Warning | BUF | Wayne | 3 hr |
| Aug 10, 7:41 PM EDT | Flash Flood Warning | BUF | Cayuga | 3 hr |
| Aug 11, 2:28 AM EDT | Flash Flood Warning | ALY | Hamilton | 4 hr |
| Aug 11, 5:17 AM EDT | Flash Flood Warning | BUF | Cattaraugus, Chautauqua | 3 hr |
| Aug 12, 3:10 PM EDT | Flash Flood Warning | BGM | Steuben | 3 hr |
| Aug 12, 3:25 PM EDT | Flash Flood Warning | BGM | Steuben | 3 hr |
| Aug 12, 3:29 PM EDT | Flash Flood Warning | BUF | Livingston | 98 min |
| Aug 12, 4:00 PM EDT | Flash Flood Warning | BUF | Allegany | 3 hr |
| Aug 12, 4:23 PM EDT | Flash Flood Warning | BUF | Allegany | 3 hr |
| Aug 12, 4:34 PM EDT | Flash Flood Warning | BUF | Cattaraugus | 3 hr |
| Aug 12, 4:52 PM EDT | Flash Flood Warning | ALY | Saratoga | 74 min |
| Aug 12, 5:03 PM EDT | Flash Flood Warning | OKX | Putnam | 3 hr |
| Aug 12, 5:30 PM EDT | Flash Flood Warning | BUF | Ontario | 3 hr |
| Aug 12, 6:34 PM EDT | Flash Flood Warning | ALY | Dutchess | 3 hr |
| Aug 12, 7:29 PM EDT | Flash Flood Warning | OKX | Orange | 3 hr |
| Aug 12, 8:03 PM EDT | Flash Flood Warning | OKX | Putnam | 67 min |
| Aug 18, 7:27 PM EDT | Flash Flood Warning | BGM | Broome, Chenango, Tioga | 2 hr |
| Aug 21, 3:38 PM EDT | Flash Flood Warning | ALY | Columbia | 5 hr |
| Aug 22, 1:17 PM EDT | Flash Flood Warning | OKX | Bronx, New York, Westchester | 88 min |
| Aug 22, 10:11 PM EDT | Flash Flood Warning | ALY | Herkimer | 2 hr |
| Aug 23, 4:49 PM EDT | Flash Flood Warning | OKX | Rockland, Westchester | 116 min |
| Aug 23, 6:33 PM EDT | Flash Flood Warning | OKX | Westchester | 117 min |
| Aug 28, 1:14 PM EDT | Flash Flood Warning | OKX | Kings, Queens | 76 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Chautauqua County5
- Wayne County5
- Allegany County4
- Cattaraugus County4
- Cayuga County3
- Cortland County3
- Broome County3
- Chenango County3
- Westchester County3
- Sullivan County2
- Erie County2
- Delaware County2
- Orange County2
- Genesee County2
- Niagara County2
- Orleans County2
- Livingston County2
- Ontario County2
- Steuben County2
- Putnam County2
- Onondaga County1
- Otsego County1
- Monroe County1
- Tompkins County1
- Hamilton County1
- Saratoga County1
- Dutchess County1
- Tioga County1
- Columbia County1
- Bronx County1
- New York County1
- Herkimer County1
- Rockland County1
- Kings County1
- Queens County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20082010
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.