Alert archive / New York / Jefferson County
Weather alerts in Jefferson County, New York, 2026
93 weather alerts in 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Jefferson County and its neighbors
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Alerts
- 93
- Warnings
- 33
- Watches
- 13
- Advisories
- 23
- Busiest month
- January19 alerts
- Busiest day
- June 30, 20266 alerts
Over time
By month
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 | Lasted |
|---|---|---|---|
| Jan 6, 12:35 AM EST | Winter Weather Advisory | BUF | 34 hr |
| Jan 8, 1:19 PM EST | Wind Advisory | BUF | 32 hr |
| Jan 10, 1:11 PM EST | Winter Weather Advisory | BUF | 66 hr |
| Jan 13, 12:58 PM EST | Winter Weather Advisory | BUF | 48 hr |
| Jan 14, 12:49 PM EST | Winter Storm Warning | BUF | 47 hr |
| Jan 16, 12:52 PM EST | Winter Storm Watch | BUF | 24 hr |
| Jan 16, 12:52 PM EST | Winter Weather Advisory | BUF | 36 hr |
| Jan 17, 12:46 PM EST | Winter Storm Warning | BUF | 6 days |
| Jan 17, 3:38 PM EST | Mesoscale Discussion | SPC | 3 hr |
| Jan 20, 6:22 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Jan 21, 12:53 PM EST | Extreme Cold Watch | BUF | 23 hr |
| Jan 22, 1:58 AM EST | Winter Storm Watch | BUF | 35 hr |
| Jan 22, 8:52 AM EST | Mesoscale Discussion | SPC | 4 hr |
| Jan 22, 12:17 PM EST | Extreme Cold Warning | BUF | 49 hr |
| Jan 22, 6:17 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Jan 23, 12:57 PM EST | Winter Storm Warning | BUF | 4 days |
| Jan 26, 1:05 AM EST | Lake Effect Snow Warning | BUF | 3 days |
| Jan 29, 1:08 AM EST | Cold Weather Advisory | BUF | 33 hr |
| Jan 29, 12:41 PM EST | Extreme Cold Warning | BUF | 24 hr |
| Feb 5, 1:01 AM EST | Extreme Cold Watch | BUF | 24 hr |
| Feb 5, 12:44 PM EST | Winter Weather Advisory | BUF | 3 days |
| Feb 6, 1:03 AM EST | Extreme Cold Warning | BUF | 59 hr |
| Feb 8, 11:54 AM EST | Cold Weather Advisory | BUF | 22 hr |
| Feb 9, 1:19 PM EST | Winter Weather Advisory | BUF | 72 hr |
| Feb 16, 5:44 PM EST | Dense Fog Advisory | BUF | 37 hr |
| Feb 19, 12:24 PM EST | Winter Weather Advisory | BUF | 41 hr |
| Mar 4, 12:54 PM EST | Winter Weather Advisory | BUF | 39 hr |
| Mar 10, 1:53 AM EDT | Flood Watch | BUF | 63 hr |
| Mar 10, 1:28 PM EDT | Winter Weather Advisory | BUF | 22 hr |
| Mar 11, 2:15 PM EDT | River Flood Warning | BUF | 3 days |
| Mar 12, 1:44 AM EDT | Winter Storm Watch | BUF | 12 hr |
| Mar 12, 1:57 PM EDT | Winter Storm Warning | BUF | 48 hr |
| Mar 14, 1:29 PM EDT | High Wind Watch | BUF | 12 hr |
| Mar 14, 1:29 PM EDT | Wind Advisory | BUF | 70 hr |
| Mar 15, 1:28 AM EDT | High Wind Warning | BUF | 36 hr |
| Mar 15, 1:10 PM EDT | Winter Weather Advisory | BUF | 25 hr |
| Mar 16, 1:54 PM EDT | Lake Effect Snow Warning | BUF | 40 hr |
| Mar 20, 9:19 PM EDT | Dense Fog Advisory | BUF | 12 hr |
| Mar 30, 1:22 PM EDT | Flood Watch | BUF | 61 hr |
| Mar 31, 1:14 PM EDT | River Flood Warning | BUF | 35 hr |
| Apr 2, 1:11 PM EDT | River Flood Warning | BUF | 35 hr |
| Apr 4, 1:47 PM EDT | Wind Advisory | BUF | 14 hr |
| Apr 14, 10:27 AM EDT | Severe Thunderstorm Warning | BUF | 48 min |
| Apr 14, 11:14 AM EDT | Severe Thunderstorm Warning | BUF | 46 min |
| May 10, 12:33 PM EDT | Frost Advisory | BUF | 19 hr |
| May 11, 1:23 PM EDT | Freeze Warning | BUF | 19 hr |
| May 13, 4:49 PM EDT | Severe Thunderstorm Warning | BUF | 71 min |
| May 13, 5:07 PM EDT | Tornado Warning | BUF | 38 min |
| May 19, 10:44 PM EDT | Severe Thunderstorm Warning | BUF | 46 min |
| May 20, 3:54 AM EDT | Beach Hazards Statement | BUF | 31 hr |
| May 21, 1:10 AM EDT | Frost Advisory | BUF | 31 hr |
| May 29, 3:44 AM EDT | Beach Hazards Statement | BUF | 32 hr |
| Jun 12, 5:18 AM EDT | Beach Hazards Statement | BUF | 16 hr |
| Jun 14, 1:58 PM EDT | Mesoscale Discussion | SPC | 62 min |
| Jun 14, 2:44 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 14, 4:09 PM EDT | Beach Hazards Statement | BUF | 27 hr |
| Jun 17, 12:39 PM EDT | Wind Advisory | BUF | 31 hr |
| Jun 17, 12:58 PM EDT | Lakeshore Flood Warning | BUF | 55 hr |
| Jun 18, 12:47 AM EDT | High Wind Warning | BUF | 19 hr |
| Jun 18, 3:57 AM EDT | Beach Hazards Statement | BUF | 60 hr |
| Jun 18, 9:31 AM EDT | Mesoscale Discussion | SPC | 119 min |
| Jun 18, 9:58 AM EDT | Tornado Watch | SPC | 7 hr |
| Jun 26, 5:43 AM EDT | Severe Thunderstorm Warning | BUF | 18 min |
| Jun 29, 1:14 PM EDT | Heat Advisory | BUF | 31 hr |
| Jun 30, 12:23 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 30, 12:35 PM EDT | Severe Thunderstorm Warning | BUF | 85 min |
| Jun 30, 12:39 PM EDT | Heat Advisory | BUF | 3 days |
| Jun 30, 1:14 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 30, 1:56 PM EDT | Severe Thunderstorm Warning | BUF | 51 min |
| Jun 30, 2:48 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Jun 30, 10:12 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 30, 10:42 PM EDT | Severe Thunderstorm Warning | BUF | 48 min |
| Jun 30, 11:30 PM EDT | Severe Thunderstorm Warning | BUF | 60 min |
| Jul 1, 4:08 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 1, 8:03 PM EDT | Severe Thunderstorm Warning | BUF | 57 min |
| Jul 1, 8:07 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Jul 1, 8:36 PM EDT | Severe Thunderstorm Warning | BUF | 54 min |
| Jul 1, 8:57 PM EDT | Severe Thunderstorm Warning | BUF | 33 min |
| Jul 2, 4:18 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Jul 13, 1:53 AM EDT | Heat Advisory | BUF | 42 hr |
| Jul 14, 4:03 AM EDT | Beach Hazards Statement | BUF | 31 hr |
| Jul 18, 3:46 AM EDT | Beach Hazards Statement | BUF | 26 hr |
| Jul 21, 1:26 PM EDT | Severe Thunderstorm Warning | BUF | 28 min |
| Jul 21, 5:41 PM EDT | Beach Hazards Statement | BUF | 32 hr |
| Aug 2, 2:26 AM EDT | Flood Watch | BUF | 24 hr |
| Aug 3, 4:01 AM EDT | Beach Hazards Statement | BUF | 18 hr |
| Aug 14, 2:57 PM EDT | Severe Thunderstorm Warning | BUF | 48 min |
| Aug 14, 3:25 PM EDT | Severe Thunderstorm Warning | BUF | 34 min |
| Aug 14, 3:35 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Aug 22, 3:55 PM EDT | Beach Hazards Statement | BUF | 66 hr |
| Sep 2, 4:41 PM EDT | Tornado Watch | SPC | 6 hr |
| Sep 2, 8:59 PM EDT | Severe Thunderstorm Warning | BUF | 63 min |
| Sep 9, 9:51 AM EDT | Beach Hazards Statement | BUF | 36 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 16 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 2 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 13 |
| Flooding | |
| River Flood Warning | 3 |
| Flood Watch | 3 |
| Winter | |
| Lake Effect Snow Warning | 2 |
| Winter Storm Warning | 4 |
| Winter Storm Watch | 3 |
| Winter Weather Advisory | 10 |
| Heat | |
| Heat Advisory | 3 |
| Cold | |
| Extreme Cold Warning | 3 |
| Freeze Warning | 1 |
| Extreme Cold Watch | 2 |
| Cold Weather Advisory | 2 |
| Frost Advisory | 2 |
| Wind and dust | |
| High Wind Warning | 2 |
| High Wind Watch | 1 |
| Wind Advisory | 4 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
| Coast and beach | |
| Lakeshore Flood Warning | 1 |
| Beach Hazards Statement | 11 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive2025
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.