Alert archive / New York / Severe Thunderstorm Warnings / 2011
Severe Thunderstorm Warnings in New York, September 2011
39 severe thunderstorm 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 severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in September 2011. Tap one for its archive.
- Severe Thunderstorm Warnings
- 39
- Busiest day
- September 4, 201121 severe thunderstorm 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 3, 7:26 PM EDT | Severe Thunderstorm Warning | BGM | Chemung, Schuyler, Tioga | 15 min |
| Sep 3, 9:04 PM EDT | Severe Thunderstorm Warning | BUF | Allegany | 41 min |
| Sep 4, 3:21 AM EDT | Severe Thunderstorm Warning | BUF | Chautauqua | 54 min |
| Sep 4, 4:09 AM EDT | Severe Thunderstorm Warning | BUF | Erie, Niagara | 57 min |
| Sep 4, 4:41 AM EDT | Severe Thunderstorm Warning | BUF | Erie, Genesee, Monroe, Niagara, Orleans | 45 min |
| Sep 4, 7:52 AM EDT | Severe Thunderstorm Warning | BGM | Madison, Oneida | 37 min |
| Sep 4, 9:31 AM EDT | Severe Thunderstorm Warning | BTV | Clinton, Franklin | 59 min |
| Sep 4, 10:03 AM EDT | Severe Thunderstorm Warning | BTV | Clinton, Essex | 57 min |
| Sep 4, 2:27 PM EDT | Severe Thunderstorm Warning | BGM | Chemung, Tioga | 48 min |
| Sep 4, 2:43 PM EDT | Severe Thunderstorm Warning | BTV | Essex | 44 min |
| Sep 4, 3:06 PM EDT | Severe Thunderstorm Warning | BGM | Broome, Tioga | 39 min |
| Sep 4, 3:08 PM EDT | Severe Thunderstorm Warning | ALY | Fulton, Hamilton, Herkimer | 67 min |
| Sep 4, 3:40 PM EDT | Severe Thunderstorm Warning | BGM | Broome | 50 min |
| Sep 4, 4:10 PM EDT | Severe Thunderstorm Warning | BGM | Otsego | 50 min |
| Sep 4, 4:20 PM EDT | Severe Thunderstorm Warning | BGM | Broome, Chenango, Delaware | 55 min |
| Sep 4, 4:38 PM EDT | Severe Thunderstorm Warning | ALY | Fulton, Montgomery, Saratoga, Schenectady | 67 min |
| Sep 4, 4:49 PM EDT | Severe Thunderstorm Warning | BGM | Chenango, Otsego | 35 min |
| Sep 4, 4:52 PM EDT | Severe Thunderstorm Warning | BGM | Chenango, Cortland, Madison, Oneida, Otsego | 47 min |
| Sep 4, 5:16 PM EDT | Severe Thunderstorm Warning | BGM | Delaware | 59 min |
| Sep 4, 5:47 PM EDT | Severe Thunderstorm Warning | ALY | Albany, Rensselaer, Saratoga, Schenectady, Washington | 58 min |
| Sep 4, 6:41 PM EDT | Severe Thunderstorm Warning | ALY | Rensselaer, Washington | 64 min |
| Sep 4, 7:46 PM EDT | Severe Thunderstorm Warning | ALY | Rensselaer | 56 min |
| Sep 11, 12:46 PM EDT | Severe Thunderstorm Warning | BUF | Genesee, Livingston, Monroe, Wyoming | 44 min |
| Sep 11, 1:33 PM EDT | Severe Thunderstorm Warning | BUF | Livingston, Wyoming | 42 min |
| Sep 11, 1:55 PM EDT | Severe Thunderstorm Warning | BUF | Ontario | 50 min |
| Sep 11, 2:04 PM EDT | Severe Thunderstorm Warning | BUF | Genesee, Wyoming | 41 min |
| Sep 11, 2:17 PM EDT | Severe Thunderstorm Warning | BUF | Genesee, Livingston, Ontario, Wyoming | 43 min |
| Sep 11, 2:46 PM EDT | Severe Thunderstorm Warning | BUF | Livingston, Monroe, Ontario | 44 min |
| Sep 11, 3:32 PM EDT | Severe Thunderstorm Warning | BGM | Steuben | 26 min |
| Sep 13, 6:19 PM EDT | Severe Thunderstorm Warning | BUF | Lewis | 41 min |
| Sep 13, 6:58 PM EDT | Severe Thunderstorm Warning | BGM | Oneida | 17 min |
| Sep 13, 7:05 PM EDT | Severe Thunderstorm Warning | ALY | Hamilton, Herkimer | 55 min |
| Sep 14, 11:58 PM EDT | Severe Thunderstorm Warning | OKX | Orange | 42 min |
| Sep 28, 3:46 PM EDT | Severe Thunderstorm Warning | BUF | Wayne | 29 min |
| Sep 28, 4:15 PM EDT | Severe Thunderstorm Warning | BUF | Wayne | 15 min |
| Sep 29, 11:47 AM EDT | Severe Thunderstorm Warning | OKX | Bronx, Kings, New York, Queens, Richmond | 58 min |
| Sep 29, 12:49 PM EDT | Severe Thunderstorm Warning | OKX | Bronx, New York, Rockland, Westchester | 41 min |
| Sep 29, 3:22 PM EDT | Severe Thunderstorm Warning | BGM | Oneida | 38 min |
| Sep 29, 4:19 PM EDT | Severe Thunderstorm Warning | ALY | Columbia, Rensselaer, Washington | 56 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Genesee County4
- Oneida County4
- Rensselaer County4
- Livingston County4
- Wyoming County4
- Tioga County3
- Monroe County3
- Broome County3
- Otsego County3
- Chenango County3
- Washington County3
- Ontario County3
- Chemung County2
- Erie County2
- Niagara County2
- Madison County2
- Clinton County2
- Essex County2
- Fulton County2
- Hamilton County2
- Herkimer County2
- Delaware County2
- Saratoga County2
- Schenectady County2
- Wayne County2
- Bronx County2
- New York County2
- Schuyler County1
- Allegany County1
- Chautauqua County1
- Orleans County1
- Franklin County1
- Montgomery County1
- Cortland County1
- Albany County1
- Steuben County1
- Lewis County1
- Orange County1
- Kings County1
- Queens 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.