Alert archive / New York / Severe Thunderstorm Warnings / 2021
Severe Thunderstorm Warnings in New York, May 2021
24 severe thunderstorm warnings in May 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 May 2021. Tap one for its archive.
- Severe Thunderstorm Warnings
- 24
- Busiest day
- May 26, 202123 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 |
|---|---|---|---|---|
| May 25, 3:44 PM EDT | Severe Thunderstorm Warning | BUF | Livingston, Ontario | 32 min |
| May 26, 11:59 AM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Oswego, Wayne | 61 min |
| May 26, 12:36 PM EDT | Severe Thunderstorm Warning | BUF | Oswego | 39 min |
| May 26, 12:38 PM EDT | Severe Thunderstorm Warning | BGM | Cayuga, Oneida, Onondaga, Schuyler, Seneca, Tompkins and 1 more | 52 min |
| May 26, 12:57 PM EDT | Severe Thunderstorm Warning | BUF | Lewis | 63 min |
| May 26, 1:19 PM EDT | Severe Thunderstorm Warning | BGM | Cayuga, Chenango, Cortland, Madison, Oneida, Onondaga | 56 min |
| May 26, 1:50 PM EDT | Severe Thunderstorm Warning | ALY | Hamilton, Herkimer, Warren | 55 min |
| May 26, 2:05 PM EDT | Severe Thunderstorm Warning | BUF | Cattaraugus, Chautauqua | 43 min |
| May 26, 2:13 PM EDT | Severe Thunderstorm Warning | BGM | Chenango, Madison, Oneida, Otsego | 62 min |
| May 26, 2:32 PM EDT | Severe Thunderstorm Warning | ALY | Fulton, Herkimer | 43 min |
| May 26, 3:10 PM EDT | Severe Thunderstorm Warning | BGM | Broome, Chenango, Tioga | 50 min |
| May 26, 3:42 PM EDT | Severe Thunderstorm Warning | BGM | Broome, Chenango, Delaware, Otsego | 63 min |
| May 26, 4:23 PM EDT | Severe Thunderstorm Warning | ALY | Rensselaer, Washington | 37 min |
| May 26, 5:53 PM EDT | Severe Thunderstorm Warning | ALY | Dutchess, Ulster | 67 min |
| May 26, 5:54 PM EDT | Severe Thunderstorm Warning | ALY | Columbia | 66 min |
| May 26, 5:58 PM EDT | Severe Thunderstorm Warning | ALY | Columbia, Dutchess, Ulster | 62 min |
| May 26, 6:01 PM EDT | Severe Thunderstorm Warning | ALY | Dutchess, Ulster | 59 min |
| May 26, 6:12 PM EDT | Severe Thunderstorm Warning | OKX | Richmond | 46 min |
| May 26, 6:53 PM EDT | Severe Thunderstorm Warning | BGM | Delaware | 37 min |
| May 26, 6:54 PM EDT | Severe Thunderstorm Warning | ALY | Dutchess | 66 min |
| May 26, 6:54 PM EDT | Severe Thunderstorm Warning | OKX | Orange, Rockland, Westchester | 24 min |
| May 26, 7:03 PM EDT | Severe Thunderstorm Warning | ALY | Dutchess | 57 min |
| May 26, 7:26 PM EDT | Severe Thunderstorm Warning | ALY | Dutchess | 64 min |
| May 26, 7:44 PM EDT | Severe Thunderstorm Warning | OKX | Nassau, Suffolk | 25 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Dutchess County6
- Chenango County4
- Cayuga County3
- Oneida County3
- Ulster County3
- Oswego County2
- Onondaga County2
- Madison County2
- Herkimer County2
- Otsego County2
- Broome County2
- Delaware County2
- Columbia County2
- Livingston County1
- Ontario County1
- Wayne County1
- Schuyler County1
- Seneca County1
- Tompkins County1
- Yates County1
- Lewis County1
- Cortland County1
- Hamilton County1
- Warren County1
- Cattaraugus County1
- Chautauqua County1
- Fulton County1
- Tioga County1
- Rensselaer County1
- Washington County1
- Richmond County1
- Orange County1
- Rockland County1
- Westchester County1
- Nassau County1
- Suffolk 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.