Alert archive / New York / Severe Thunderstorm Warnings / 2009
Severe Thunderstorm Warnings in New York, September 2009
17 severe thunderstorm warnings in September 2009. 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 2009. Tap one for its archive.
- Severe Thunderstorm Warnings
- 17
- Busiest day
- September 28, 200915 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 23, 5:27 PM EDT | Severe Thunderstorm Warning | BGM | Oneida | 33 min |
| Sep 23, 6:16 PM EDT | Severe Thunderstorm Warning | BGM | Chenango | 44 min |
| Sep 28, 10:37 AM EDT | Severe Thunderstorm Warning | BUF | Cattaraugus, Chautauqua, Erie | 68 min |
| Sep 28, 10:59 AM EDT | Severe Thunderstorm Warning | BUF | Erie, Niagara | 61 min |
| Sep 28, 12:10 PM EDT | Severe Thunderstorm Warning | BUF | Genesee, Livingston, Monroe, Ontario, Orleans, Wayne and 1 more | 65 min |
| Sep 28, 1:08 PM EDT | Severe Thunderstorm Warning | BUF | Monroe, Ontario, Wayne | 52 min |
| Sep 28, 1:23 PM EDT | Severe Thunderstorm Warning | BUF | Erie, Genesee | 37 min |
| Sep 28, 1:47 PM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Jefferson, Oswego, Wayne | 58 min |
| Sep 28, 2:19 PM EDT | Severe Thunderstorm Warning | BUF | Erie, Genesee, Niagara, Orleans | 41 min |
| Sep 28, 2:28 PM EDT | Severe Thunderstorm Warning | BGM | Cayuga, Onondaga, Seneca, Tompkins | 47 min |
| Sep 28, 4:10 PM EDT | Severe Thunderstorm Warning | BGM | Chenango, Cortland, Madison | 50 min |
| Sep 28, 4:25 PM EDT | Severe Thunderstorm Warning | BGM | Broome, Tioga | 65 min |
| Sep 28, 5:24 PM EDT | Severe Thunderstorm Warning | BUF | Erie | 51 min |
| Sep 28, 5:52 PM EDT | Severe Thunderstorm Warning | BGM | Broome, Chenango, Delaware | 23 min |
| Sep 28, 5:57 PM EDT | Severe Thunderstorm Warning | BUF | Erie | 33 min |
| Sep 28, 6:26 PM EDT | Severe Thunderstorm Warning | BUF | Erie, Genesee, Orleans | 49 min |
| Sep 28, 7:12 PM EDT | Severe Thunderstorm Warning | OKX | Suffolk | 48 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Erie County7
- Genesee County4
- Chenango County3
- Orleans County3
- Wayne County3
- Niagara County2
- Monroe County2
- Ontario County2
- Cayuga County2
- Broome County2
- Oneida County1
- Cattaraugus County1
- Chautauqua County1
- Livingston County1
- Wyoming County1
- Jefferson County1
- Oswego County1
- Onondaga County1
- Seneca County1
- Tompkins County1
- Cortland County1
- Madison County1
- Tioga County1
- Delaware County1
- Suffolk County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20082010
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.