Alert archive / New York / Flash Flood Warnings / 2011
Flash Flood Warnings in New York, September 2011
44 flash flood warnings in September 2011. 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 September 2011. Tap one for its archive.
- Flash Flood Warnings
- 44
- Busiest day
- September 7, 201111 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 |
|---|---|---|---|---|
| Sep 1, 6:56 AM EDT | Flash Flood Warning | BUF | Cattaraugus | 102 min |
| Sep 4, 5:32 PM EDT | Flash Flood Warning | ALY | Fulton, Hamilton, Herkimer, Montgomery | 12 hr |
| Sep 4, 8:12 PM EDT | Flash Flood Warning | ALY | Washington | 4 hr |
| Sep 4, 11:41 PM EDT | Flash Flood Warning | ALY | Montgomery, Schenectady, Schoharie | 6 hr |
| Sep 5, 12:32 AM EDT | Flash Flood Warning | ALY | Greene, Schoharie | 6 hr |
| Sep 5, 1:20 AM EDT | Flash Flood Warning | BGM | Delaware | 4 hr |
| Sep 5, 2:19 AM EDT | Flash Flood Warning | ALY | Rensselaer, Washington | 6 hr |
| Sep 5, 7:17 PM EDT | Flash Flood Warning | OKX | Orange, Rockland | 4 hr |
| Sep 7, 8:38 AM EDT | Flash Flood Warning | BGM | Chemung, Tioga | 6 hr |
| Sep 7, 8:53 AM EDT | Flash Flood Warning | BGM | Broome | 6 hr |
| Sep 7, 9:47 AM EDT | Flash Flood Warning | BGM | Chenango | 6 hr |
| Sep 7, 11:33 AM EDT | Flash Flood Warning | BGM | Broome, Tioga | 18 hr |
| Sep 7, 12:45 PM EDT | Flash Flood Warning | BGM | Chenango, Cortland, Otsego | 6 hr |
| Sep 7, 1:31 PM EDT | Flash Flood Warning | BGM | Chenango | 6 hr |
| Sep 7, 2:25 PM EDT | Flash Flood Warning | BGM | Broome, Chemung, Chenango, Cortland, Otsego, Tioga | 18 hr |
| Sep 7, 4:28 PM EDT | Flash Flood Warning | BGM | Cayuga, Chemung, Schuyler, Seneca, Tioga, Tompkins | 12 hr |
| Sep 7, 4:29 PM EDT | Flash Flood Warning | BGM | Delaware | 4 hr |
| Sep 7, 4:34 PM EDT | Flash Flood Warning | BGM | Cayuga, Madison, Oneida, Onondaga | 12 hr |
| Sep 7, 4:42 PM EDT | Flash Flood Warning | BGM | Delaware | 4 hr |
| Sep 8, 4:17 AM EDT | Flash Flood Warning | BGM | Broome, Chenango, Delaware, Otsego, Sullivan | 6 hr |
| Sep 8, 4:39 AM EDT | Flash Flood Warning | ALY | Greene, Ulster | 9 hr |
| Sep 8, 4:48 AM EDT | Flash Flood Warning | BGM | Cayuga, Chemung, Schuyler, Tioga, Tompkins | 6 hr |
| Sep 8, 4:59 AM EDT | Flash Flood Warning | BGM | Chenango, Cortland, Madison, Oneida, Onondaga | 6 hr |
| Sep 8, 8:20 AM EDT | Flash Flood Warning | ALY | Dutchess | 4 hr |
| Sep 8, 8:27 AM EDT | Flash Flood Warning | BGM | Broome, Chemung, Chenango, Cortland, Otsego, Tioga | 6 hr |
| Sep 8, 9:40 AM EDT | Flash Flood Warning | BGM | Delaware, Sullivan | 6 hr |
| Sep 8, 10:49 AM EDT | Flash Flood Warning | BGM | Cayuga, Schuyler, Tompkins | 6 hr |
| Sep 8, 11:00 AM EDT | Flash Flood Warning | BGM | Madison, Oneida, Onondaga | 6 hr |
| Sep 9, 5:12 PM EDT | Flash Flood Warning | BUF | Cattaraugus, Chautauqua | 3 hr |
| Sep 11, 12:40 PM EDT | Flash Flood Warning | BUF | Cattaraugus, Chautauqua, Erie | 3 hr |
| Sep 11, 1:34 PM EDT | Flash Flood Warning | BUF | Livingston, Wyoming | 3 hr |
| Sep 23, 3:13 PM EDT | Flash Flood Warning | OKX | Kings, Nassau, Queens, Westchester | 103 min |
| Sep 23, 4:05 PM EDT | Flash Flood Warning | OKX | Orange, Putnam, Westchester | 57 min |
| Sep 27, 6:26 PM EDT | Flash Flood Warning | ALY | Herkimer | 6 hr |
| Sep 28, 9:18 AM EDT | Flash Flood Warning | OKX | Orange | 117 min |
| Sep 28, 10:14 AM EDT | Flash Flood Warning | BGM | Sullivan | 4 hr |
| Sep 28, 11:16 AM EDT | Flash Flood Warning | ALY | Greene, Ulster | 3 hr |
| Sep 28, 4:43 PM EDT | Flash Flood Warning | OKX | Suffolk | 4 hr |
| Sep 29, 12:16 AM EDT | Flash Flood Warning | BGM | Broome, Tioga, Tompkins | 4 hr |
| Sep 29, 1:34 AM EDT | Flash Flood Warning | BGM | Broome, Chenango, Cortland | 6 hr |
| Sep 29, 4:53 AM EDT | Flash Flood Warning | ALY | Greene, Ulster | 5 hr |
| Sep 29, 4:55 AM EDT | Flash Flood Warning | BGM | Sullivan | 3 hr |
| Sep 29, 2:24 PM EDT | Flash Flood Warning | BGM | Sullivan | 5 hr |
| Sep 29, 2:33 PM EDT | Flash Flood Warning | BGM | Delaware | 5 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Chenango County8
- Tioga County7
- Broome County7
- Delaware County6
- Chemung County5
- Cortland County5
- Sullivan County5
- Greene County4
- Otsego County4
- Cayuga County4
- Tompkins County4
- Cattaraugus County3
- Orange County3
- Schuyler County3
- Madison County3
- Oneida County3
- Onondaga County3
- Ulster County3
- Herkimer County2
- Montgomery County2
- Washington County2
- Schoharie County2
- Chautauqua County2
- Westchester County2
- Fulton County1
- Hamilton County1
- Schenectady County1
- Rensselaer County1
- Rockland County1
- Seneca County1
- Dutchess County1
- Erie County1
- Livingston County1
- Wyoming County1
- Kings County1
- Nassau County1
- Queens County1
- Putnam County1
- Suffolk County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
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.