Alert archive / New York / Sullivan County
Weather alerts in Sullivan County, New York, 2026
123 weather alerts in 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Sullivan County and its neighbors
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Alerts
- 123
- Warnings
- 50
- Watches
- 19
- Advisories
- 17
- Busiest month
- July40 alerts
- Busiest day
- June 12, 20266 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
0 of 3 tornado warnings covering Sullivan County in 2026 had a tornado report inside them.
Sullivan County, 2026
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 3 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 26 | 18 | 31% | 19 | 79% | 18 min |
| Flash flood warnings | 8 | 6 | 25% | 9 | 100% | 87 min |
Each office's whole area, 2026
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Binghamton, NY: tornado warnings | 26 | 4 | 85% | 13 | 62% | 6 min |
| NWS Binghamton, NY: severe thunderstorm warnings | 206 | 130 | 37% | 505 | 86% | 25 min |
| NWS Binghamton, NY: flash flood warnings | 51 | 26 | 49% | 73 | 92% | 64 min |
An office's figures cover every county it serves, including across state lines.
The year is still running; reports filed late and damage surveys can still change these figures.
Verified by the Iowa Environmental Mesonet's Cow, which matches each storm-based warning with the local storm reports inside its polygon while it was in force, within 15 km of its edge: a tornado warning counts as verified on a tornado report, a severe thunderstorm warning on hail of 1 inch or more, a gust of 58 mph or more, or wind damage, a flash flood warning on a flash flood report. The false alarm ratio is the share of warnings with no such report; "inside a warning" is the probability of detection, the share of reports that fell inside one; lead time runs from the warning's issue to each report inside it, counting zero for a report that came first. A warning with no report is not proof nothing happened: reports come from spotters, the public and damage surveys, and are thin where few people live.
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 1, 1:53 AM EST | Snow Squall Warning | BGM | 52 min |
| Jan 1, 2:45 AM EST | Snow Squall Warning | BGM | 45 min |
| Jan 1, 3:00 AM EST | Mesoscale Discussion | SPC | 4 hr |
| Jan 6, 12:27 AM EST | Winter Weather Advisory | BGM | 35 hr |
| Jan 16, 12:51 PM EST | Winter Weather Advisory | BGM | 36 hr |
| Jan 18, 7:23 AM EST | Winter Weather Advisory | BGM | 13 hr |
| Jan 22, 1:49 AM EST | Winter Storm Watch | BGM | 34 hr |
| Jan 22, 12:33 PM EST | Cold Weather Advisory | BGM | 48 hr |
| Jan 23, 12:12 PM EST | Winter Storm Warning | BGM | 61 hr |
| Jan 25, 11:55 AM EST | Mesoscale Discussion | SPC | 4 hr |
| Jan 25, 4:02 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Jan 28, 1:20 AM EST | Cold Weather Advisory | BGM | 32 hr |
| Jan 29, 1:09 AM EST | Cold Weather Advisory | BGM | 3 days |
| Feb 1, 11:16 AM EST | Cold Weather Advisory | BGM | 23 hr |
| Feb 5, 12:49 AM EST | Extreme Cold Watch | BGM | 24 hr |
| Feb 6, 1:03 AM EST | Extreme Cold Warning | BGM | 60 hr |
| Feb 8, 12:37 AM EST | Cold Weather Advisory | BGM | 33 hr |
| Feb 9, 2:03 PM EST | Winter Weather Advisory | BGM | 3 days |
| Feb 17, 10:05 PM EST | Dense Fog Advisory | BGM | 10 hr |
| Feb 19, 1:09 PM EST | Winter Weather Advisory | BGM | 41 hr |
| Feb 21, 2:39 AM EST | Winter Storm Watch | BGM | 21 hr |
| Feb 21, 1:11 PM EST | Winter Storm Warning | BGM | 43 hr |
| Feb 22, 12:08 AM EST | Winter Weather Advisory | BGM | 37 hr |
| Feb 22, 1:11 PM EST | Blizzard Warning | BGM | 19 hr |
| Feb 25, 9:34 PM EST | Special Weather Statement | BGM | 56 min |
| Mar 2, 12:02 PM EST | Winter Weather Advisory | BGM | 39 hr |
| Mar 5, 1:09 AM EST | Winter Weather Advisory | BGM | 33 hr |
| Mar 13, 2:40 AM EDT | Wind Advisory | BGM | 35 hr |
| Mar 31, 7:49 PM EDT | Severe Thunderstorm Warning | BGM | 56 min |
| Apr 8, 1:52 PM EDT | Red Flag Warning | ALY | 28 hr |
| Apr 14, 12:50 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 14, 2:51 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 14, 7:07 PM EDT | Severe Thunderstorm Warning | BGM | 53 min |
| Apr 14, 7:57 PM EDT | Severe Thunderstorm Warning | BGM | 63 min |
| Apr 15, 10:06 PM EDT | Severe Thunderstorm Warning | BGM | 24 min |
| Apr 15, 11:53 PM EDT | Severe Thunderstorm Warning | BGM | 44 min |
| May 4, 1:47 PM EDT | Red Flag Warning | ALY | 29 hr |
| May 11, 1:36 PM EDT | Freeze Warning | BGM | 19 hr |
| May 26, 5:13 AM EDT | Dense Fog Advisory | BGM | 4 hr |
| May 29, 10:48 PM EDT | Special Weather Statement | BGM | 57 min |
| Jun 6, 2:03 PM EDT | Mesoscale Discussion | SPC | 57 min |
| Jun 6, 4:06 PM EDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Jun 6, 4:20 PM EDT | Special Weather Statement | BGM | 25 min |
| Jun 6, 4:46 PM EDT | Special Weather Statement | BGM | 29 min |
| Jun 6, 4:54 PM EDT | Severe Thunderstorm Warning | BGM | 36 min |
| Jun 11, 3:02 PM EDT | Mesoscale Discussion | SPC | 118 min |
| Jun 11, 6:09 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 11, 7:14 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 11, 7:51 PM EDT | Severe Thunderstorm Warning | BGM | 54 min |
| Jun 11, 8:39 PM EDT | Severe Thunderstorm Warning | BGM | 66 min |
| Jun 12, 1:48 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Jun 12, 3:04 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 12, 4:03 PM EDT | Severe Thunderstorm Warning | BGM | 57 min |
| Jun 12, 4:21 PM EDT | Severe Thunderstorm Warning | BGM | 42 min |
| Jun 12, 4:33 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Jun 14, 6:22 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Jun 14, 7:06 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 14, 9:25 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 18, 9:31 AM EDT | Mesoscale Discussion | SPC | 119 min |
| Jun 29, 12:01 PM EDT | Extreme Heat Watch | BGM | 24 hr |
| Jun 30, 11:58 AM EDT | Extreme Heat Warning | BGM | 3 days |
| Jun 30, 4:32 PM EDT | Mesoscale Discussion | SPC | 118 min |
| Jul 1, 2:01 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Jul 1, 6:40 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Jul 1, 6:42 PM EDT | Special Weather Statement | BGM | 33 min |
| Jul 1, 10:43 PM EDT | Severe Thunderstorm Warning | BGM | 32 min |
| Jul 3, 3:25 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 3, 4:34 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Jul 3, 4:51 PM EDT | Severe Thunderstorm Warning | BGM | 54 min |
| Jul 3, 5:44 PM EDT | Severe Thunderstorm Warning | BGM | 61 min |
| Jul 3, 6:15 PM EDT | Severe Thunderstorm Warning | BGM | 30 min |
| Jul 4, 3:05 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 4, 3:28 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 4, 6:18 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Jul 4, 6:19 PM EDT | Severe Thunderstorm Warning | BGM | 41 min |
| Jul 4, 6:39 PM EDT | Severe Thunderstorm Warning | BGM | 51 min |
| Jul 4, 7:07 PM EDT | Severe Thunderstorm Warning | BGM | 24 min |
| Jul 5, 11:32 AM EDT | Flood Watch | BGM | 26 hr |
| Jul 5, 10:24 PM EDT | Flash Flood Warning | BGM | 6 hr |
| Jul 5, 10:48 PM EDT | Flash Flood Warning | BGM | 6 hr |
| Jul 13, 1:56 AM EDT | Heat Advisory | BGM | 47 hr |
| Jul 18, 1:35 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 18, 5:44 PM EDT | Severe Thunderstorm Warning | BGM | 61 min |
| Jul 18, 5:50 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Jul 18, 6:45 PM EDT | Severe Thunderstorm Warning | BGM | 60 min |
| Jul 18, 6:47 PM EDT | Tornado Warning | BGM | 28 min |
| Jul 21, 1:23 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 21, 1:53 PM EDT | Tornado Warning | BGM | 37 min |
| Jul 21, 2:06 PM EDT | Tornado Watch | SPC | 7 hr |
| Jul 21, 2:29 PM EDT | Tornado Warning | BGM | 46 min |
| Jul 21, 2:37 PM EDT | Flash Flood Warning | BGM | 4 hr |
| Jul 21, 3:10 PM EDT | Severe Thunderstorm Warning | BGM | 35 min |
| Jul 27, 2:11 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 27, 2:45 PM EDT | Flood Watch | BGM | 43 hr |
| Jul 27, 7:16 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Jul 28, 1:14 PM EDT | Severe Thunderstorm Warning | BGM | 31 min |
| Jul 28, 1:29 PM EDT | Flash Flood Warning | BGM | 6 hr |
| Jul 28, 2:30 PM EDT | Flash Flood Warning | BGM | 5 hr |
| Jul 28, 7:46 PM EDT | Flash Flood Warning | BGM | 12 hr |
| Jul 28, 8:34 PM EDT | River Flood Warning | BGM | 18 hr |
| Jul 28, 11:38 PM EDT | Flash Flood Warning | BGM | 6 hr |
| Jul 29, 7:44 AM EDT | Areal Flood Warning | BGM | 6 hr |
| Aug 3, 12:29 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 6, 1:39 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 7, 12:50 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 7, 3:07 PM EDT | Flash Flood Warning | BGM | 3 hr |
| Aug 7, 3:20 PM EDT | Severe Thunderstorm Warning | BGM | 40 min |
| Aug 7, 5:54 PM EDT | Areal Flood Warning | BGM | 51 min |
| Aug 8, 1:11 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Aug 8, 1:45 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 10, 1:38 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 10, 3:58 PM EDT | Severe Thunderstorm Warning | BGM | 32 min |
| Aug 12, 6:11 PM EDT | Severe Thunderstorm Warning | BGM | 34 min |
| Aug 12, 11:54 PM EDT | Special Weather Statement | BGM | 21 min |
| Aug 23, 12:03 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 27, 12:51 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Aug 27, 1:53 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 27, 5:45 PM EDT | Severe Thunderstorm Warning | BGM | 30 min |
| Aug 27, 6:42 PM EDT | Severe Thunderstorm Warning | BGM | 63 min |
| Aug 27, 7:06 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Aug 27, 8:03 PM EDT | Special Weather Statement | BGM | 27 min |
| Sep 1, 4:32 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Sep 2, 12:46 PM EDT | Flood Watch | BGM | 14 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
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.