Alert archive / New York / Tompkins County
Weather alerts in Tompkins County, New York, 2024
118 weather alerts in 2024, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Tompkins County and its neighbors
Each county as a circle sized by its count in 2024. Tap one for its archive.
- Alerts
- 118
- Warnings
- 40
- Watches
- 10
- Advisories
- 31
- Busiest month
- July26 alerts
- Busiest day
- January 14, 20248 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 1 tornado warnings covering Tompkins County in 2024 had a tornado report inside them.
Tompkins County, 2024
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 22 | 12 | 45% | 15 | 87% | 21 min |
| Flash flood warnings | 2 | 1 | 50% | 1 | 0% |
Each office's whole area, 2024
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Binghamton, NY: tornado warnings | 35 | 4 | 89% | 12 | 58% | 3 min |
| NWS Binghamton, NY: severe thunderstorm warnings | 192 | 104 | 46% | 517 | 82% | 25 min |
| NWS Binghamton, NY: flash flood warnings | 58 | 31 | 47% | 127 | 91% | 109 min |
An office's figures cover every county it serves, including across state lines.
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 5, 1:29 PM EST | Winter Storm Warning | BGM | 50 hr |
| Jan 5, 1:29 PM EST | Winter Weather Advisory | BGM | 14 hr |
| Jan 6, 4:27 PM EST | Mesoscale Discussion | SPC | 5 hr |
| Jan 8, 3:19 AM EST | Wind Advisory | BGM | 45 hr |
| Jan 8, 3:01 PM EST | High Wind Warning | BGM | 33 hr |
| Jan 10, 3:39 AM EST | Wind Advisory | BGM | 15 hr |
| Jan 12, 3:30 AM EST | Wind Advisory | BGM | 45 hr |
| Jan 14, 3:12 AM EST | Wind Advisory | BGM | 14 hr |
| Jan 14, 8:25 AM EST | Mesoscale Discussion | SPC | 4 hr |
| Jan 14, 8:26 AM EST | Snow Squall Warning | BGM | 34 min |
| Jan 14, 9:00 AM EST | Snow Squall Warning | BGM | 30 min |
| Jan 14, 9:13 AM EST | Snow Squall Warning | BGM | 32 min |
| Jan 14, 9:30 AM EST | Snow Squall Warning | BGM | 30 min |
| Jan 14, 9:49 AM EST | Snow Squall Warning | BGM | 26 min |
| Jan 14, 10:02 AM EST | Snow Squall Warning | BGM | 28 min |
| Jan 15, 3:38 AM EST | Winter Weather Advisory | BGM | 39 hr |
| Jan 19, 1:23 PM EST | Winter Weather Advisory | BGM | 41 hr |
| Jan 22, 2:33 PM EST | Winter Weather Advisory | BGM | 46 hr |
| Jan 24, 6:03 PM EST | Dense Fog Advisory | BGM | 9 hr |
| Jan 25, 11:18 AM EST | Dense Fog Advisory | BGM | 16 hr |
| Feb 10, 1:18 PM EST | Special Weather Statement | BGM | 27 min |
| Feb 10, 1:29 PM EST | Special Weather Statement | BGM | 31 min |
| Feb 10, 3:22 PM EST | Winter Storm Watch | BGM | 43 hr |
| Feb 14, 2:54 PM EST | Wind Advisory | BGM | 43 hr |
| Feb 17, 10:38 AM EST | Snow Squall Warning | BGM | 52 min |
| Feb 17, 11:31 AM EST | Snow Squall Warning | BGM | 44 min |
| Feb 17, 11:34 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Feb 17, 11:44 AM EST | Snow Squall Warning | BGM | 31 min |
| Feb 17, 11:55 AM EST | Snow Squall Warning | BGM | 50 min |
| Feb 27, 3:43 PM EST | Wind Advisory | BGM | 36 hr |
| Feb 28, 3:27 AM EST | High Wind Warning | BGM | 24 hr |
| Mar 9, 2:40 PM EST | Winter Weather Advisory | BGM | 41 hr |
| Mar 9, 2:43 PM EST | Wind Advisory | BGM | 52 hr |
| Mar 10, 2:48 PM EDT | Special Weather Statement | BGM | 42 min |
| Mar 10, 3:26 PM EDT | Special Weather Statement | BGM | 49 min |
| Mar 10, 3:40 PM EDT | Snow Squall Warning | BGM | 50 min |
| Mar 22, 4:21 AM EDT | Winter Weather Advisory | BGM | 39 hr |
| Apr 2, 2:10 PM EDT | Flood Watch | BGM | 38 hr |
| May 22, 3:00 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 22, 4:39 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 22, 4:44 PM EDT | Severe Thunderstorm Warning | BGM | 46 min |
| May 25, 3:08 PM EDT | Special Weather Statement | BGM | 67 min |
| May 27, 11:53 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 27, 1:42 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 27, 4:40 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Jun 16, 3:13 PM EDT | Heat Advisory | BGM | 7 days |
| Jun 17, 4:49 PM EDT | Special Weather Statement | BGM | 71 min |
| Jun 17, 5:47 PM EDT | Special Weather Statement | BGM | 43 min |
| Jun 17, 6:16 PM EDT | Special Weather Statement | BGM | 44 min |
| Jun 17, 6:20 PM EDT | Severe Thunderstorm Warning | BGM | 40 min |
| Jun 18, 2:01 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Jun 21, 11:38 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 21, 2:24 PM EDT | Severe Thunderstorm Warning | BGM | 51 min |
| Jun 22, 6:17 PM EDT | Severe Thunderstorm Warning | BGM | 28 min |
| Jun 22, 6:46 PM EDT | Special Weather Statement | BGM | 44 min |
| Jun 22, 6:52 PM EDT | Severe Thunderstorm Warning | BGM | 38 min |
| Jun 22, 7:26 PM EDT | Severe Thunderstorm Warning | BGM | 34 min |
| Jun 22, 8:41 PM EDT | Severe Thunderstorm Warning | BGM | 49 min |
| Jun 23, 1:42 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 23, 4:42 PM EDT | Severe Thunderstorm Warning | BGM | 63 min |
| Jun 23, 6:54 PM EDT | Special Weather Statement | BGM | 36 min |
| Jun 30, 4:52 AM EDT | Special Weather Statement | BGM | 68 min |
| Jun 30, 6:04 AM EDT | Special Weather Statement | BGM | 56 min |
| Jul 8, 12:34 PM EDT | Heat Advisory | BGM | 31 hr |
| Jul 9, 2:55 PM EDT | Heat Advisory | BGM | 29 hr |
| Jul 10, 12:06 PM EDT | Tornado Watch | SPC | 11 hr |
| Jul 10, 2:39 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 10, 3:52 PM EDT | Severe Thunderstorm Warning | BGM | 53 min |
| Jul 10, 3:59 PM EDT | Severe Thunderstorm Warning | BGM | 46 min |
| Jul 10, 4:08 PM EDT | Tornado Warning | BGM | 52 min |
| Jul 10, 4:53 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Jul 10, 4:58 PM EDT | Severe Thunderstorm Warning | BGM | 47 min |
| Jul 14, 2:36 PM EDT | Heat Advisory | BGM | 50 hr |
| Jul 15, 11:52 AM EDT | Mesoscale Discussion | SPC | 113 min |
| Jul 15, 12:21 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jul 15, 4:21 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Jul 15, 5:36 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Jul 15, 5:53 PM EDT | Severe Thunderstorm Warning | BGM | 52 min |
| Jul 16, 10:33 AM EDT | Mesoscale Discussion | SPC | 117 min |
| Jul 16, 11:05 AM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 16, 1:27 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Jul 16, 1:59 PM EDT | Severe Thunderstorm Warning | BGM | 46 min |
| Jul 16, 2:37 PM EDT | Severe Thunderstorm Warning | BGM | 53 min |
| Jul 24, 2:37 PM EDT | Severe Thunderstorm Warning | BGM | 53 min |
| Jul 24, 2:52 PM EDT | Severe Thunderstorm Warning | BGM | 53 min |
| Jul 24, 3:45 PM EDT | Severe Thunderstorm Warning | BGM | 60 min |
| Jul 24, 4:22 PM EDT | Severe Thunderstorm Warning | BGM | 50 min |
| Jul 24, 4:49 PM EDT | Flash Flood Warning | BGM | 4 hr |
| Jul 24, 5:02 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Aug 1, 3:31 AM EDT | Heat Advisory | BGM | 16 hr |
| Aug 5, 12:48 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Aug 5, 1:21 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 5, 2:20 PM EDT | Severe Thunderstorm Warning | BGM | 25 min |
| Aug 5, 2:44 PM EDT | Severe Thunderstorm Warning | BGM | 46 min |
| Aug 5, 3:10 PM EDT | Severe Thunderstorm Warning | BGM | 35 min |
| Aug 5, 3:15 PM EDT | Severe Thunderstorm Warning | BGM | 30 min |
| Aug 5, 4:59 PM EDT | Mesoscale Discussion | SPC | 91 min |
| Aug 8, 3:32 AM EDT | Flood Watch | BGM | 43 hr |
| Aug 9, 10:26 AM EDT | Mesoscale Discussion | SPC | 94 min |
| Aug 9, 12:28 PM EDT | Flash Flood Warning | BGM | 6 hr |
| Aug 9, 1:04 PM EDT | Wind Advisory | BGM | 5 hr |
| Sep 9, 4:41 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Oct 3, 3:03 AM EDT | Dense Fog Advisory | BGM | 8 hr |
| Oct 10, 3:14 AM EDT | Frost Advisory | BGM | 30 hr |
| Nov 20, 3:21 AM EST | Winter Storm Watch | BGM | 34 hr |
| Nov 21, 3:29 AM EST | Winter Storm Warning | BGM | 37 hr |
| Nov 22, 12:00 PM EST | Special Weather Statement | BGM | 60 min |
| Nov 27, 3:12 PM EST | Winter Weather Advisory | BGM | 25 hr |
| Nov 29, 12:17 PM EST | Special Weather Statement | BGM | 28 min |
| Dec 4, 4:23 AM EST | Winter Weather Advisory | BGM | 48 hr |
| Dec 4, 4:50 AM EST | Wind Advisory | BGM | 40 hr |
| Dec 5, 9:50 AM EST | Mesoscale Discussion | SPC | 2 hr |
| Dec 6, 6:44 AM EST | Special Weather Statement | BGM | 61 min |
| Dec 14, 2:20 PM EST | Winter Weather Advisory | BGM | 42 hr |
| Dec 20, 9:36 PM EST | Winter Weather Advisory | BGM | 6 hr |
| Dec 21, 3:14 AM EST | Winter Weather Advisory | BGM | 25 hr |
| Dec 23, 2:26 AM EST | Winter Weather Advisory | BGM | 32 hr |
| Dec 27, 3:38 AM EST | Winter Weather Advisory | BGM | 31 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 | 22 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 5 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 22 |
| Special Weather Statement | 15 |
| Flooding | |
| Flash Flood Warning | 2 |
| Flood Watch | 2 |
| Winter | |
| Snow Squall Warning | 11 |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 2 |
| Winter Weather Advisory | 13 |
| Heat | |
| Heat Advisory | 5 |
| Cold | |
| Frost Advisory | 1 |
| Wind and dust | |
| High Wind Warning | 2 |
| Wind Advisory | 9 |
| Fog and smoke | |
| Dense Fog Advisory | 3 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20232025
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.