Alert archive / New York / Severe Thunderstorm Warnings / 2021
Severe Thunderstorm Warnings in New York, August 2021
57 severe thunderstorm warnings in August 2021. 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 2021. Tap one for its archive.
- Severe Thunderstorm Warnings
- 57
- Busiest day
- August 13, 202122 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, 12:29 PM EDT | Severe Thunderstorm Warning | BGM | Cayuga, Chenango, Cortland, Madison, Onondaga, Tompkins | 46 min |
| Aug 1, 12:42 PM EDT | Severe Thunderstorm Warning | BUF | Allegany | 48 min |
| Aug 1, 12:45 PM EDT | Severe Thunderstorm Warning | BGM | Chemung, Schuyler, Steuben, Tompkins | 45 min |
| Aug 1, 1:05 PM EDT | Severe Thunderstorm Warning | BGM | Steuben | 55 min |
| Aug 1, 1:14 PM EDT | Severe Thunderstorm Warning | BGM | Chenango, Cortland, Madison, Oneida | 46 min |
| Aug 1, 3:38 PM EDT | Severe Thunderstorm Warning | ALY | Fulton, Saratoga | 36 min |
| Aug 1, 4:00 PM EDT | Severe Thunderstorm Warning | BGM | Otsego | 15 min |
| Aug 10, 7:26 PM EDT | Severe Thunderstorm Warning | BUF | Oswego | 49 min |
| Aug 11, 6:09 AM EDT | Severe Thunderstorm Warning | BUF | Cattaraugus, Chautauqua, Erie | 51 min |
| Aug 11, 6:40 AM EDT | Severe Thunderstorm Warning | BUF | Erie, Genesee, Wyoming | 65 min |
| Aug 11, 7:16 AM EDT | Severe Thunderstorm Warning | BUF | Allegany, Cattaraugus, Genesee, Livingston, Monroe, Wyoming | 59 min |
| Aug 11, 7:46 AM EDT | Severe Thunderstorm Warning | BUF | Genesee, Livingston, Monroe, Ontario, Orleans | 50 min |
| Aug 11, 7:55 AM EDT | Severe Thunderstorm Warning | BUF | Livingston, Monroe, Ontario, Wayne | 50 min |
| Aug 11, 4:13 PM EDT | Severe Thunderstorm Warning | OKX | Orange | 47 min |
| Aug 11, 4:15 PM EDT | Severe Thunderstorm Warning | OKX | Orange, Putnam | 45 min |
| Aug 11, 4:20 PM EDT | Severe Thunderstorm Warning | ALY | Dutchess, Ulster | 40 min |
| Aug 11, 5:10 PM EDT | Severe Thunderstorm Warning | OKX | Orange | 50 min |
| Aug 11, 5:51 PM EDT | Severe Thunderstorm Warning | OKX | Orange, Putnam | 39 min |
| Aug 12, 1:51 PM EDT | Severe Thunderstorm Warning | ALY | Albany, Montgomery, Saratoga, Schenectady, Schoharie | 54 min |
| Aug 12, 2:42 PM EDT | Severe Thunderstorm Warning | ALY | Albany, Rensselaer, Saratoga, Schenectady | 48 min |
| Aug 12, 3:12 PM EDT | Severe Thunderstorm Warning | ALY | Albany, Columbia, Rensselaer | 18 min |
| Aug 12, 3:29 PM EDT | Severe Thunderstorm Warning | ALY | Columbia, Rensselaer | 61 min |
| Aug 12, 3:44 PM EDT | Severe Thunderstorm Warning | ALY | Albany, Columbia, Greene | 46 min |
| Aug 12, 4:07 PM EDT | Severe Thunderstorm Warning | OKX | Orange, Rockland | 41 min |
| Aug 12, 4:29 PM EDT | Severe Thunderstorm Warning | ALY | Columbia | 61 min |
| Aug 12, 5:04 PM EDT | Severe Thunderstorm Warning | OKX | Orange, Putnam, Rockland, Westchester | 22 min |
| Aug 12, 10:43 PM EDT | Severe Thunderstorm Warning | BGM | Delaware, Sullivan | 35 min |
| Aug 13, 2:05 PM EDT | Severe Thunderstorm Warning | BGM | Oneida | 29 min |
| Aug 13, 2:36 PM EDT | Severe Thunderstorm Warning | ALY | Herkimer | 39 min |
| Aug 13, 2:45 PM EDT | Severe Thunderstorm Warning | BGM | Chemung, Schuyler, Steuben | 30 min |
| Aug 13, 3:04 PM EDT | Severe Thunderstorm Warning | BUF | Lewis | 26 min |
| Aug 13, 3:09 PM EDT | Severe Thunderstorm Warning | BGM | Chemung, Schuyler, Steuben | 36 min |
| Aug 13, 3:10 PM EDT | Severe Thunderstorm Warning | ALY | Fulton, Herkimer, Montgomery | 48 min |
| Aug 13, 3:24 PM EDT | Severe Thunderstorm Warning | BGM | Chemung, Schuyler | 16 min |
| Aug 13, 3:42 PM EDT | Severe Thunderstorm Warning | ALY | Fulton, Montgomery | 44 min |
| Aug 13, 3:51 PM EDT | Severe Thunderstorm Warning | BGM | Chemung, Tioga | 39 min |
| Aug 13, 4:16 PM EDT | Severe Thunderstorm Warning | BGM | Schuyler, Steuben | 13 min |
| Aug 13, 4:27 PM EDT | Severe Thunderstorm Warning | BGM | Broome, Tioga | 48 min |
| Aug 13, 4:33 PM EDT | Severe Thunderstorm Warning | ALY | Saratoga | 46 min |
| Aug 13, 5:05 PM EDT | Severe Thunderstorm Warning | BGM | Broome, Chenango, Delaware | 22 min |
| Aug 13, 5:24 PM EDT | Severe Thunderstorm Warning | BGM | Chemung, Tioga | 36 min |
| Aug 13, 5:31 PM EDT | Severe Thunderstorm Warning | ALY | Fulton, Montgomery, Schoharie | 47 min |
| Aug 13, 5:37 PM EDT | Severe Thunderstorm Warning | BGM | Broome, Chenango, Delaware | 38 min |
| Aug 13, 5:59 PM EDT | Severe Thunderstorm Warning | BGM | Delaware | 46 min |
| Aug 13, 6:38 PM EDT | Severe Thunderstorm Warning | BGM | Delaware, Otsego | 19 min |
| Aug 13, 6:42 PM EDT | Severe Thunderstorm Warning | BGM | Delaware, Sullivan | 48 min |
| Aug 13, 6:45 PM EDT | Severe Thunderstorm Warning | ALY | Albany | 45 min |
| Aug 13, 7:28 PM EDT | Severe Thunderstorm Warning | ALY | Albany, Rensselaer | 35 min |
| Aug 13, 8:12 PM EDT | Severe Thunderstorm Warning | ALY | Dutchess, Ulster | 47 min |
| Aug 13, 8:47 PM EDT | Severe Thunderstorm Warning | ALY | Columbia, Dutchess | 45 min |
| Aug 13, 10:51 PM EDT | Severe Thunderstorm Warning | BUF | Allegany, Cattaraugus, Erie, Wyoming | 39 min |
| Aug 17, 5:12 PM EDT | Severe Thunderstorm Warning | BGM | Cayuga, Onondaga | 48 min |
| Aug 29, 2:11 PM EDT | Severe Thunderstorm Warning | BUF | Livingston, Monroe, Ontario, Wayne | 64 min |
| Aug 29, 3:25 PM EDT | Severe Thunderstorm Warning | BUF | Ontario | 20 min |
| Aug 29, 3:37 PM EDT | Severe Thunderstorm Warning | BGM | Cayuga, Seneca | 53 min |
| Aug 29, 3:38 PM EDT | Severe Thunderstorm Warning | BUF | Ontario | 10 min |
| Aug 29, 4:19 PM EDT | Severe Thunderstorm Warning | BGM | Cayuga, Cortland, Madison, Onondaga | 28 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Chemung County6
- Orange County6
- Albany County6
- Delaware County6
- Schuyler County5
- Steuben County5
- Ontario County5
- Columbia County5
- Cayuga County4
- Chenango County4
- Fulton County4
- Saratoga County4
- Livingston County4
- Monroe County4
- Montgomery County4
- Rensselaer County4
- Cortland County3
- Madison County3
- Onondaga County3
- Allegany County3
- Cattaraugus County3
- Erie County3
- Genesee County3
- Wyoming County3
- Putnam County3
- Dutchess County3
- Tioga County3
- Broome County3
- Tompkins County2
- Oneida County2
- Otsego County2
- Wayne County2
- Ulster County2
- Schenectady County2
- Schoharie County2
- Rockland County2
- Sullivan County2
- Herkimer County2
- Oswego County1
- Chautauqua County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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. Rebuilt daily.