Alert archive / New York / Severe Thunderstorm Warnings / 2018
Severe Thunderstorm Warnings in New York, September 2018
29 severe thunderstorm warnings in September 2018. 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 September 2018. Tap one for its archive.
- Severe Thunderstorm Warnings
- 29
- Busiest day
- September 21, 201810 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 |
|---|---|---|---|---|
| Sep 3, 1:48 PM EDT | Severe Thunderstorm Warning | BUF | Lewis | 27 min |
| Sep 3, 2:04 PM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Oswego | 33 min |
| Sep 3, 2:34 PM EDT | Severe Thunderstorm Warning | BUF | Niagara | 41 min |
| Sep 3, 2:52 PM EDT | Severe Thunderstorm Warning | BUF | Erie, Niagara | 23 min |
| Sep 3, 2:55 PM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Oswego | 32 min |
| Sep 3, 3:12 PM EDT | Severe Thunderstorm Warning | BUF | Genesee, Monroe, Niagara, Orleans | 48 min |
| Sep 3, 4:24 PM EDT | Severe Thunderstorm Warning | BUF | Allegany, Cattaraugus | 27 min |
| Sep 5, 4:55 PM EDT | Severe Thunderstorm Warning | ALY | Fulton, Montgomery, Saratoga | 54 min |
| Sep 5, 11:19 PM EDT | Severe Thunderstorm Warning | BUF | Erie | 26 min |
| Sep 5, 11:57 PM EDT | Severe Thunderstorm Warning | BUF | Genesee, Wyoming | 48 min |
| Sep 6, 1:46 PM EDT | Severe Thunderstorm Warning | ALY | Columbia | 29 min |
| Sep 6, 2:06 PM EDT | Severe Thunderstorm Warning | ALY | Columbia | 54 min |
| Sep 6, 2:13 PM EDT | Severe Thunderstorm Warning | ALY | Columbia, Greene | 35 min |
| Sep 6, 2:18 PM EDT | Severe Thunderstorm Warning | ALY | Columbia, Dutchess | 42 min |
| Sep 6, 2:36 PM EDT | Severe Thunderstorm Warning | ALY | Columbia | 39 min |
| Sep 6, 2:58 PM EDT | Severe Thunderstorm Warning | ALY | Columbia, Dutchess | 62 min |
| Sep 6, 4:43 PM EDT | Severe Thunderstorm Warning | OKX | Westchester | 47 min |
| Sep 21, 5:15 PM EDT | Severe Thunderstorm Warning | BUF | Cattaraugus, Chautauqua, Erie | 45 min |
| Sep 21, 5:22 PM EDT | Severe Thunderstorm Warning | BUF | Cattaraugus, Chautauqua | 38 min |
| Sep 21, 5:27 PM EDT | Severe Thunderstorm Warning | BUF | Erie, Genesee, Niagara, Orleans | 48 min |
| Sep 21, 5:54 PM EDT | Severe Thunderstorm Warning | BUF | Allegany, Cattaraugus, Chautauqua, Erie, Wyoming | 66 min |
| Sep 21, 6:31 PM EDT | Severe Thunderstorm Warning | BUF | Genesee, Livingston, Monroe, Ontario, Wayne, Wyoming | 59 min |
| Sep 21, 6:51 PM EDT | Severe Thunderstorm Warning | BUF | Allegany | 54 min |
| Sep 21, 7:04 PM EDT | Severe Thunderstorm Warning | BGM | Cayuga, Seneca, Steuben, Yates | 41 min |
| Sep 21, 7:19 PM EDT | Severe Thunderstorm Warning | BGM | Steuben | 41 min |
| Sep 21, 7:40 PM EDT | Severe Thunderstorm Warning | BGM | Cayuga, Chemung, Cortland, Onondaga, Schuyler, Seneca and 3 more | 35 min |
| Sep 21, 7:54 PM EDT | Severe Thunderstorm Warning | BGM | Chemung, Steuben | 51 min |
| Sep 21, 8:10 PM EDT | Severe Thunderstorm Warning | BGM | Chemung, Cortland, Schuyler, Seneca, Steuben, Tioga and 1 more | 35 min |
| Sep 26, 8:00 PM EDT | Severe Thunderstorm Warning | ALY | Dutchess | 45 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Columbia County6
- Erie County5
- Steuben County5
- Cayuga County4
- Niagara County4
- Genesee County4
- Cattaraugus County4
- Allegany County3
- Wyoming County3
- Dutchess County3
- Chautauqua County3
- Seneca County3
- Chemung County3
- Oswego County2
- Monroe County2
- Orleans County2
- Yates County2
- Cortland County2
- Schuyler County2
- Tompkins County2
- Lewis County1
- Fulton County1
- Montgomery County1
- Saratoga County1
- Greene County1
- Westchester County1
- Livingston County1
- Ontario County1
- Wayne County1
- Onondaga County1
- Tioga County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
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.