Alert archive / New York / Severe Thunderstorm Warnings / 2011
Severe Thunderstorm Warnings in New York, August 2011
133 severe thunderstorm warnings in August 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 August 2011. Tap one for its archive.
- Severe Thunderstorm Warnings
- 133
- Busiest day
- August 19, 201134 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 |
|---|---|---|---|---|
| Aug 1, 3:26 AM EDT | Severe Thunderstorm Warning | BUF | Niagara, Orleans | 49 min |
| Aug 1, 3:56 AM EDT | Severe Thunderstorm Warning | BUF | Erie, Genesee, Niagara, Orleans | 64 min |
| Aug 1, 4:37 AM EDT | Severe Thunderstorm Warning | BUF | Erie, Genesee, Wyoming | 53 min |
| Aug 1, 4:54 AM EDT | Severe Thunderstorm Warning | BUF | Erie, Genesee, Monroe, Niagara, Orleans | 66 min |
| Aug 1, 6:21 AM EDT | Severe Thunderstorm Warning | BUF | Allegany, Livingston, Wyoming | 36 min |
| Aug 1, 7:52 AM EDT | Severe Thunderstorm Warning | BGM | Broome, Tioga | 38 min |
| Aug 1, 8:37 AM EDT | Severe Thunderstorm Warning | BGM | Broome, Delaware | 38 min |
| Aug 1, 12:58 PM EDT | Severe Thunderstorm Warning | OKX | Westchester | 32 min |
| Aug 1, 2:21 PM EDT | Severe Thunderstorm Warning | OKX | Nassau, Suffolk | 39 min |
| Aug 1, 2:35 PM EDT | Severe Thunderstorm Warning | BUF | Livingston, Ontario | 45 min |
| Aug 1, 2:46 PM EDT | Severe Thunderstorm Warning | ALY | Columbia, Greene | 59 min |
| Aug 1, 3:38 PM EDT | Severe Thunderstorm Warning | ALY | Columbia, Greene, Ulster | 52 min |
| Aug 1, 3:38 PM EDT | Severe Thunderstorm Warning | OKX | Nassau, Queens | 52 min |
| Aug 1, 3:50 PM EDT | Severe Thunderstorm Warning | OKX | Bronx, New York, Westchester | 29 min |
| Aug 1, 4:24 PM EDT | Severe Thunderstorm Warning | OKX | Nassau, Queens | 51 min |
| Aug 1, 4:25 PM EDT | Severe Thunderstorm Warning | ALY | Dutchess, Ulster | 65 min |
| Aug 1, 4:25 PM EDT | Severe Thunderstorm Warning | ALY | Columbia, Dutchess | 21 min |
| Aug 1, 4:40 PM EDT | Severe Thunderstorm Warning | OKX | Orange, Rockland, Westchester | 65 min |
| Aug 1, 4:54 PM EDT | Severe Thunderstorm Warning | ALY | Ulster | 23 min |
| Aug 1, 5:30 PM EDT | Severe Thunderstorm Warning | ALY | Dutchess | 31 min |
| Aug 1, 5:32 PM EDT | Severe Thunderstorm Warning | OKX | Putnam, Westchester | 58 min |
| Aug 1, 5:38 PM EDT | Severe Thunderstorm Warning | OKX | Westchester | 52 min |
| Aug 1, 6:03 PM EDT | Severe Thunderstorm Warning | OKX | Rockland, Westchester | 42 min |
| Aug 1, 6:06 PM EDT | Severe Thunderstorm Warning | BUF | Ontario | 39 min |
| Aug 1, 6:26 PM EDT | Severe Thunderstorm Warning | OKX | Nassau, Suffolk | 49 min |
| Aug 1, 6:38 PM EDT | Severe Thunderstorm Warning | OKX | Westchester | 22 min |
| Aug 1, 6:42 PM EDT | Severe Thunderstorm Warning | BUF | Genesee, Livingston, Wyoming | 63 min |
| Aug 1, 6:46 PM EDT | Severe Thunderstorm Warning | BUF | Allegany, Cattaraugus | 59 min |
| Aug 1, 6:52 PM EDT | Severe Thunderstorm Warning | OKX | Orange, Putnam, Westchester | 53 min |
| Aug 1, 7:12 PM EDT | Severe Thunderstorm Warning | OKX | Bronx, Nassau, Queens | 39 min |
| Aug 1, 7:36 PM EDT | Severe Thunderstorm Warning | OKX | Suffolk | 54 min |
| Aug 1, 8:30 PM EDT | Severe Thunderstorm Warning | OKX | Suffolk | 23 min |
| Aug 1, 9:49 PM EDT | Severe Thunderstorm Warning | OKX | Putnam, Westchester | 41 min |
| Aug 1, 9:52 PM EDT | Severe Thunderstorm Warning | BGM | Delaware | 23 min |
| Aug 1, 10:11 PM EDT | Severe Thunderstorm Warning | BGM | Sullivan | 79 min |
| Aug 1, 11:17 PM EDT | Severe Thunderstorm Warning | ALY | Dutchess, Ulster | 58 min |
| Aug 1, 11:43 PM EDT | Severe Thunderstorm Warning | ALY | Dutchess, Ulster | 62 min |
| Aug 7, 2:34 PM EDT | Severe Thunderstorm Warning | BUF | Wayne | 41 min |
| Aug 7, 3:20 PM EDT | Severe Thunderstorm Warning | BGM | Cayuga, Seneca | 40 min |
| Aug 7, 3:55 PM EDT | Severe Thunderstorm Warning | BGM | Broome, Delaware, Sullivan | 41 min |
| Aug 7, 8:49 PM EDT | Severe Thunderstorm Warning | ALY | Washington | 41 min |
| Aug 8, 3:23 PM EDT | Severe Thunderstorm Warning | OKX | Putnam, Westchester | 22 min |
| Aug 8, 5:52 PM EDT | Severe Thunderstorm Warning | OKX | Orange | 23 min |
| Aug 9, 1:22 PM EDT | Severe Thunderstorm Warning | BUF | Ontario | 15 min |
| Aug 9, 1:25 PM EDT | Severe Thunderstorm Warning | BGM | Cayuga, Onondaga, Seneca, Yates | 65 min |
| Aug 9, 2:28 PM EDT | Severe Thunderstorm Warning | BGM | Cayuga, Madison, Onondaga, Seneca | 62 min |
| Aug 9, 2:48 PM EDT | Severe Thunderstorm Warning | BGM | Broome, Chenango, Cortland, Tioga, Tompkins | 57 min |
| Aug 9, 3:27 PM EDT | Severe Thunderstorm Warning | BGM | Madison, Oneida, Onondaga | 48 min |
| Aug 9, 3:42 PM EDT | Severe Thunderstorm Warning | BGM | Broome, Chenango | 63 min |
| Aug 9, 4:15 PM EDT | Severe Thunderstorm Warning | BGM | Oneida | 60 min |
| Aug 9, 4:45 PM EDT | Severe Thunderstorm Warning | BGM | Chenango, Delaware, Otsego | 60 min |
| Aug 9, 5:39 PM EDT | Severe Thunderstorm Warning | BGM | Delaware, Otsego | 81 min |
| Aug 10, 3:28 PM EDT | Severe Thunderstorm Warning | BGM | Onondaga | 62 min |
| Aug 10, 3:36 PM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Oswego | 40 min |
| Aug 10, 3:58 PM EDT | Severe Thunderstorm Warning | BGM | Onondaga | 62 min |
| Aug 10, 4:31 PM EDT | Severe Thunderstorm Warning | BGM | Madison | 44 min |
| Aug 10, 4:56 PM EDT | Severe Thunderstorm Warning | BGM | Madison, Oneida | 45 min |
| Aug 13, 7:16 PM EDT | Severe Thunderstorm Warning | BUF | Livingston, Monroe | 59 min |
| Aug 13, 7:25 PM EDT | Severe Thunderstorm Warning | BUF | Monroe, Wayne | 55 min |
| Aug 13, 8:10 PM EDT | Severe Thunderstorm Warning | BUF | Wayne | 65 min |
| Aug 13, 8:35 PM EDT | Severe Thunderstorm Warning | BUF | Ontario, Wayne | 55 min |
| Aug 16, 4:47 PM EDT | Severe Thunderstorm Warning | BTV | Clinton | 58 min |
| Aug 18, 2:55 PM EDT | Severe Thunderstorm Warning | ALY | Albany, Columbia, Rensselaer | 65 min |
| Aug 18, 3:08 PM EDT | Severe Thunderstorm Warning | ALY | Columbia, Dutchess, Ulster | 67 min |
| Aug 18, 3:46 PM EDT | Severe Thunderstorm Warning | BUF | Niagara, Orleans | 44 min |
| Aug 18, 7:00 PM EDT | Severe Thunderstorm Warning | OKX | Kings, New York, Queens, Richmond | 30 min |
| Aug 18, 7:14 PM EDT | Severe Thunderstorm Warning | OKX | Kings, New York, Richmond | 30 min |
| Aug 18, 7:25 PM EDT | Severe Thunderstorm Warning | OKX | Bronx, Nassau, New York, Queens, Westchester | 17 min |
| Aug 18, 7:50 PM EDT | Severe Thunderstorm Warning | ALY | Dutchess | 55 min |
| Aug 18, 8:19 PM EDT | Severe Thunderstorm Warning | OKX | Nassau, Queens | 26 min |
| Aug 18, 8:45 PM EDT | Severe Thunderstorm Warning | OKX | Nassau, Suffolk | 30 min |
| Aug 18, 9:33 PM EDT | Severe Thunderstorm Warning | OKX | Suffolk | 42 min |
| Aug 18, 10:01 PM EDT | Severe Thunderstorm Warning | OKX | Suffolk | 26 min |
| Aug 18, 10:45 PM EDT | Severe Thunderstorm Warning | OKX | Rockland, Westchester | 45 min |
| Aug 19, 10:27 AM EDT | Severe Thunderstorm Warning | BGM | Broome, Cortland, Tioga | 48 min |
| Aug 19, 12:10 PM EDT | Severe Thunderstorm Warning | BUF | Allegany | 65 min |
| Aug 19, 12:29 PM EDT | Severe Thunderstorm Warning | BGM | Chenango, Otsego | 46 min |
| Aug 19, 1:09 PM EDT | Severe Thunderstorm Warning | ALY | Saratoga, Warren | 66 min |
| Aug 19, 1:10 PM EDT | Severe Thunderstorm Warning | BGM | Broome, Delaware | 50 min |
| Aug 19, 1:15 PM EDT | Severe Thunderstorm Warning | BUF | Wyoming | 45 min |
| Aug 19, 1:21 PM EDT | Severe Thunderstorm Warning | ALY | Warren, Washington | 54 min |
| Aug 19, 1:36 PM EDT | Severe Thunderstorm Warning | ALY | Albany, Schenectady, Schoharie | 54 min |
| Aug 19, 1:43 PM EDT | Severe Thunderstorm Warning | ALY | Ulster | 62 min |
| Aug 19, 2:00 PM EDT | Severe Thunderstorm Warning | BGM | Chemung, Schuyler, Steuben | 60 min |
| Aug 19, 2:07 PM EDT | Severe Thunderstorm Warning | ALY | Saratoga, Warren, Washington | 53 min |
| Aug 19, 2:57 PM EDT | Severe Thunderstorm Warning | BGM | Chemung, Schuyler, Steuben, Tioga, Tompkins | 63 min |
| Aug 19, 3:00 PM EDT | Severe Thunderstorm Warning | BGM | Sullivan | 20 min |
| Aug 19, 3:05 PM EDT | Severe Thunderstorm Warning | ALY | Albany, Montgomery, Schenectady, Schoharie | 55 min |
| Aug 19, 3:15 PM EDT | Severe Thunderstorm Warning | ALY | Ulster | 60 min |
| Aug 19, 3:44 PM EDT | Severe Thunderstorm Warning | ALY | Albany, Greene, Montgomery, Schenectady, Schoharie | 50 min |
| Aug 19, 4:03 PM EDT | Severe Thunderstorm Warning | OKX | Orange | 42 min |
| Aug 19, 4:43 PM EDT | Severe Thunderstorm Warning | OKX | Orange, Rockland | 62 min |
| Aug 19, 5:10 PM EDT | Severe Thunderstorm Warning | ALY | Dutchess, Ulster | 50 min |
| Aug 19, 5:17 PM EDT | Severe Thunderstorm Warning | OKX | Orange, Putnam | 43 min |
| Aug 19, 5:42 PM EDT | Severe Thunderstorm Warning | OKX | Orange, Rockland | 30 min |
| Aug 19, 5:46 PM EDT | Severe Thunderstorm Warning | OKX | Putnam | 59 min |
| Aug 19, 6:03 PM EDT | Severe Thunderstorm Warning | OKX | Putnam, Rockland, Westchester | 45 min |
| Aug 19, 6:18 PM EDT | Severe Thunderstorm Warning | ALY | Dutchess | 41 min |
| Aug 19, 6:29 PM EDT | Severe Thunderstorm Warning | OKX | Rockland, Westchester | 46 min |
| Aug 19, 6:59 PM EDT | Severe Thunderstorm Warning | OKX | Kings, Richmond | 46 min |
| Aug 19, 7:00 PM EDT | Severe Thunderstorm Warning | OKX | Bronx, New York, Westchester | 45 min |
| Aug 19, 7:16 PM EDT | Severe Thunderstorm Warning | OKX | Kings, New York, Queens | 44 min |
| Aug 19, 7:46 PM EDT | Severe Thunderstorm Warning | OKX | Nassau, Queens | 44 min |
| Aug 21, 12:09 PM EDT | Severe Thunderstorm Warning | BUF | Erie, Genesee, Wyoming | 51 min |
| Aug 21, 12:26 PM EDT | Severe Thunderstorm Warning | OKX | Westchester | 49 min |
| Aug 21, 12:28 PM EDT | Severe Thunderstorm Warning | ALY | Columbia, Dutchess, Ulster | 62 min |
| Aug 21, 12:52 PM EDT | Severe Thunderstorm Warning | ALY | Albany, Rensselaer, Saratoga, Schenectady | 40 min |
| Aug 21, 12:57 PM EDT | Severe Thunderstorm Warning | ALY | Columbia, Dutchess | 63 min |
| Aug 21, 12:59 PM EDT | Severe Thunderstorm Warning | OKX | Putnam | 23 min |
| Aug 21, 1:04 PM EDT | Severe Thunderstorm Warning | ALY | Rensselaer, Saratoga, Washington | 56 min |
| Aug 21, 1:09 PM EDT | Severe Thunderstorm Warning | OKX | Westchester | 21 min |
| Aug 21, 1:30 PM EDT | Severe Thunderstorm Warning | ALY | Dutchess | 60 min |
| Aug 21, 1:43 PM EDT | Severe Thunderstorm Warning | OKX | Putnam, Rockland, Westchester | 47 min |
| Aug 21, 1:59 PM EDT | Severe Thunderstorm Warning | ALY | Dutchess | 61 min |
| Aug 21, 2:15 PM EDT | Severe Thunderstorm Warning | OKX | Putnam | 21 min |
| Aug 21, 2:50 PM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Oswego, Wayne | 55 min |
| Aug 21, 3:31 PM EDT | Severe Thunderstorm Warning | BGM | Cayuga, Onondaga | 59 min |
| Aug 21, 4:00 PM EDT | Severe Thunderstorm Warning | OKX | Putnam, Westchester | 45 min |
| Aug 21, 4:07 PM EDT | Severe Thunderstorm Warning | OKX | Kings, Nassau, Queens | 38 min |
| Aug 21, 4:26 PM EDT | Severe Thunderstorm Warning | BTV | Essex | 64 min |
| Aug 21, 4:47 PM EDT | Severe Thunderstorm Warning | OKX | Nassau, Queens, Suffolk | 17 min |
| Aug 21, 5:48 PM EDT | Severe Thunderstorm Warning | ALY | Warren, Washington | 22 min |
| Aug 21, 6:08 PM EDT | Severe Thunderstorm Warning | ALY | Albany, Columbia, Greene, Rensselaer | 67 min |
| Aug 21, 6:09 PM EDT | Severe Thunderstorm Warning | ALY | Columbia, Greene, Ulster | 39 min |
| Aug 21, 6:25 PM EDT | Severe Thunderstorm Warning | ALY | Columbia, Rensselaer | 65 min |
| Aug 21, 6:43 PM EDT | Severe Thunderstorm Warning | BGM | Delaware, Otsego | 47 min |
| Aug 21, 6:48 PM EDT | Severe Thunderstorm Warning | BUF | Jefferson, Lewis, Oswego | 57 min |
| Aug 24, 9:56 PM EDT | Severe Thunderstorm Warning | BUF | Erie, Niagara, Orleans | 64 min |
| Aug 24, 10:34 PM EDT | Severe Thunderstorm Warning | BUF | Allegany, Cattaraugus, Chautauqua, Erie | 56 min |
| Aug 24, 10:45 PM EDT | Severe Thunderstorm Warning | BUF | Erie | 49 min |
| Aug 24, 10:54 PM EDT | Severe Thunderstorm Warning | BUF | Genesee, Monroe, Orleans | 41 min |
| Aug 25, 12:22 AM EDT | Severe Thunderstorm Warning | BUF | Jefferson, Oswego | 53 min |
| Aug 25, 3:16 AM EDT | Severe Thunderstorm Warning | BGM | Cayuga, Cortland, Onondaga, Schuyler, Seneca, Tompkins and 1 more | 44 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Westchester County19
- Dutchess County13
- Nassau County11
- Ulster County11
- Putnam County11
- Columbia County10
- Queens County10
- Suffolk County8
- Rockland County8
- Erie County7
- Broome County7
- Delaware County7
- Orange County7
- Cayuga County7
- Onondaga County7
- Orleans County6
- Genesee County6
- New York County6
- Albany County6
- Niagara County5
- Wyoming County5
- Greene County5
- Wayne County5
- Washington County5
- Rensselaer County5
- Kings County5
- Monroe County4
- Allegany County4
- Livingston County4
- Tioga County4
- Ontario County4
- Bronx County4
- Seneca County4
- Madison County4
- Chenango County4
- Otsego County4
- Oswego County4
- Saratoga County4
- Warren County4
- Schenectady County4
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.