Severe Thunderstorm Warnings in New York
14,293 severe thunderstorm warnings since 1986. 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 since 1986. Tap one for its archive.
- Severe Thunderstorm Warnings
- 14,293
- Busiest year
- 2008745 severe thunderstorm warnings
- Average year
- 349over 41 years on file
Over time
By year
Before October 2007 these were issued for whole counties, and a storm crossing three counties was often three warnings; since then one polygon follows the storm. The count changed with the practice, not only with the weather.
By month of the year
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Rensselaer County733
- Saratoga County707
- Broome County700
- Cayuga County693
- Chenango County685
- Delaware County670
- Columbia County650
- Washington County616
- Erie County605
- Dutchess County604
- Oneida County604
- Tioga County588
- Otsego County559
- Cortland County553
- Westchester County548
- Onondaga County540
- Albany County538
- Madison County537
- Tompkins County527
- Cattaraugus County525
- Oswego County499
- Ulster County491
- Herkimer County486
- Sullivan County477
- Orange County471
- Essex County461
- Steuben County460
- Fulton County455
- Chautauqua County447
- Montgomery County428
- Lewis County420
- Wyoming County408
- Greene County406
- Livingston County405
- Hamilton County403
- Schenectady County400
- Suffolk County397
- Allegany County395
- Genesee County391
- Monroe County390
22 more counties
- Chemung County389
- Clinton County380
- Ontario County380
- Seneca County374
- Jefferson County371
- Schoharie County368
- Wayne County363
- Rockland County362
- Warren County360
- St. Lawrence County359
- Schuyler County355
- Niagara County347
- Franklin County347
- Putnam County331
- Nassau County321
- Queens County302
- Yates County281
- Orleans County273
- Kings County265
- New York County239
- Richmond County217
- Bronx County215
The latest severe thunderstorm warnings
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 13, 6:14 PM EDT | Severe Thunderstorm Warning | BGM | Madison, Oneida, Onondaga | 61 min |
| Sep 13, 6:08 PM EDT | Severe Thunderstorm Warning | BGM | Cayuga, Cortland, Madison, Onondaga, Seneca | 67 min |
| Sep 13, 5:32 PM EDT | Severe Thunderstorm Warning | BTV | Franklin, St. Lawrence | 58 min |
| Sep 13, 3:20 PM EDT | Severe Thunderstorm Warning | BGM | Cayuga, Onondaga | 25 min |
| Sep 13, 1:22 PM EDT | Severe Thunderstorm Warning | BUF | Erie, Genesee, Niagara, Orleans | 53 min |
| Sep 2, 10:17 PM EDT | Severe Thunderstorm Warning | BUF | Allegany | 43 min |
| Sep 2, 10:00 PM EDT | Severe Thunderstorm Warning | BUF | Cattaraugus, Chautauqua | 75 min |
| Sep 2, 9:59 PM EDT | Severe Thunderstorm Warning | BGM | Broome, Chenango, Delaware, Otsego, Tioga | 46 min |
| Sep 2, 9:09 PM EDT | Severe Thunderstorm Warning | BUF | Allegany, Cattaraugus | 36 min |
| Sep 2, 9:06 PM EDT | Severe Thunderstorm Warning | BGM | Broome, Cayuga, Chemung, Chenango, Cortland, Madison and 5 more | 69 min |
| Sep 2, 8:59 PM EDT | Severe Thunderstorm Warning | BUF | Jefferson | 63 min |
| Sep 2, 8:53 PM EDT | Severe Thunderstorm Warning | BGM | Chemung | 67 min |
Nearby
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.