Alert archive / New York / Severe Thunderstorm Warnings / 2025
Severe Thunderstorm Warnings in New York, August 2025
27 severe thunderstorm warnings in August 2025. 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 2025. Tap one for its archive.
- Severe Thunderstorm Warnings
- 27
- Busiest day
- August 24, 202516 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 6, 4:32 PM EDT | Severe Thunderstorm Warning | BUF | Jefferson, Oswego | 17 min |
| Aug 6, 4:38 PM EDT | Severe Thunderstorm Warning | BUF | Genesee, Monroe, Orleans | 18 min |
| Aug 13, 1:03 PM EDT | Severe Thunderstorm Warning | ALY | Albany, Columbia, Greene, Rensselaer | 57 min |
| Aug 13, 1:25 PM EDT | Severe Thunderstorm Warning | ALY | Columbia, Greene | 65 min |
| Aug 13, 1:27 PM EDT | Severe Thunderstorm Warning | BGM | Delaware, Otsego | 20 min |
| Aug 13, 1:28 PM EDT | Severe Thunderstorm Warning | ALY | Schoharie | 51 min |
| Aug 13, 4:35 PM EDT | Severe Thunderstorm Warning | ALY | Dutchess | 55 min |
| Aug 13, 6:39 PM EDT | Severe Thunderstorm Warning | OKX | Kings, New York | 36 min |
| Aug 13, 7:04 PM EDT | Severe Thunderstorm Warning | OKX | Kings, Nassau, New York, Queens | 25 min |
| Aug 17, 6:25 AM EDT | Severe Thunderstorm Warning | BUF | Chautauqua | 51 min |
| Aug 17, 5:39 PM EDT | Severe Thunderstorm Warning | OKX | Kings, New York, Richmond | 51 min |
| Aug 24, 12:45 PM EDT | Severe Thunderstorm Warning | BUF | Ontario, Wayne | 45 min |
| Aug 24, 1:49 PM EDT | Severe Thunderstorm Warning | BUF | Oswego | 56 min |
| Aug 24, 1:55 PM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Oswego, Wayne | 50 min |
| Aug 24, 1:59 PM EDT | Severe Thunderstorm Warning | BUF | Monroe, Ontario, Wayne | 61 min |
| Aug 24, 2:05 PM EDT | Severe Thunderstorm Warning | BGM | Onondaga | 40 min |
| Aug 24, 2:45 PM EDT | Severe Thunderstorm Warning | BUF | Lewis, Oswego | 32 min |
| Aug 24, 2:56 PM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Oswego, Wayne | 64 min |
| Aug 24, 3:17 PM EDT | Severe Thunderstorm Warning | BGM | Cayuga, Onondaga | 43 min |
| Aug 24, 3:42 PM EDT | Severe Thunderstorm Warning | BGM | Onondaga | 33 min |
| Aug 24, 4:06 PM EDT | Severe Thunderstorm Warning | BGM | Madison, Oneida, Onondaga | 54 min |
| Aug 24, 4:12 PM EDT | Severe Thunderstorm Warning | BUF | Oswego | 33 min |
| Aug 24, 5:02 PM EDT | Severe Thunderstorm Warning | BGM | Cayuga, Cortland, Madison, Onondaga | 58 min |
| Aug 24, 5:16 PM EDT | Severe Thunderstorm Warning | BTV | Franklin, St. Lawrence | 44 min |
| Aug 24, 5:57 PM EDT | Severe Thunderstorm Warning | BTV | Franklin, St. Lawrence | 21 min |
| Aug 24, 6:10 PM EDT | Severe Thunderstorm Warning | BGM | Chemung, Schuyler, Steuben, Tompkins | 65 min |
| Aug 24, 7:24 PM EDT | Severe Thunderstorm Warning | BGM | Chemung, Schuyler, Tioga, Tompkins | 33 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Oswego County6
- Onondaga County5
- Wayne County4
- Cayuga County4
- Kings County3
- New York County3
- Monroe County2
- Columbia County2
- Greene County2
- Ontario County2
- Madison County2
- Franklin County2
- St. Lawrence County2
- Chemung County2
- Schuyler County2
- Tompkins County2
- Jefferson County1
- Genesee County1
- Orleans County1
- Albany County1
- Rensselaer County1
- Delaware County1
- Otsego County1
- Schoharie County1
- Dutchess County1
- Nassau County1
- Queens County1
- Chautauqua County1
- Richmond County1
- Lewis County1
- Oneida County1
- Cortland County1
- Steuben County1
- Tioga County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20242026
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.