Alert archive / New York / Tompkins County
Weather alerts in Tompkins County, New York, 2018
122 weather alerts in 2018, 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 2018. Tap one for its archive.
- Alerts
- 122
- Warnings
- 30
- Watches
- 16
- Advisories
- 34
- Busiest month
- May15 alerts
- Busiest day
- May 4, 20187 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Tompkins County, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 15 | 9 | 40% | 8 | 63% | 23 min |
| Flash flood warnings | 3 | 3 | 0% | 0 |
Each office's whole area, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Binghamton, NY: tornado warnings | 8 | 4 | 50% | 8 | 50% | 4 min |
| NWS Binghamton, NY: severe thunderstorm warnings | 95 | 47 | 51% | 196 | 67% | 25 min |
| NWS Binghamton, NY: flash flood warnings | 67 | 41 | 39% | 150 | 88% | 93 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 2, 12:16 AM EST | Special Weather Statement | BGM | 44 min |
| Jan 3, 4:01 AM EST | Wind Chill Watch | BGM | 24 hr |
| Jan 3, 3:09 PM EST | Winter Weather Advisory | BGM | 3 days |
| Jan 4, 3:37 AM EST | Wind Chill Warning | BGM | 3 days |
| Jan 10, 2:57 PM EST | Flood Watch | BGM | 4 days |
| Jan 10, 3:10 PM EST | Winter Storm Watch | BGM | 37 hr |
| Jan 12, 3:54 AM EST | Winter Storm Warning | BGM | 32 hr |
| Jan 12, 6:20 AM EST | Areal Flood Advisory | BGM | 4 hr |
| Jan 12, 7:04 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Jan 13, 3:47 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Jan 15, 3:05 PM EST | Winter Weather Advisory | BGM | 42 hr |
| Feb 2, 9:27 AM EST | Snow Squall Warning | BGM | 48 min |
| Feb 2, 9:50 AM EST | Snow Squall Warning | BGM | 55 min |
| Feb 5, 3:10 PM EST | Winter Storm Watch | BGM | 24 hr |
| Feb 6, 3:33 PM EST | Winter Storm Warning | BGM | 28 hr |
| Feb 7, 5:28 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Feb 7, 11:25 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 10, 3:14 PM EST | Winter Weather Advisory | BGM | 19 hr |
| Feb 21, 3:04 PM EST | Winter Weather Advisory | BGM | 26 hr |
| Feb 22, 3:21 PM EST | Winter Weather Advisory | BGM | 28 hr |
| Feb 28, 4:04 AM EST | Winter Storm Watch | BGM | 36 hr |
| Mar 1, 4:15 AM EST | Winter Storm Warning | BGM | 45 hr |
| Mar 6, 7:13 PM EST | Winter Weather Advisory | BGM | 11 hr |
| Mar 12, 3:15 AM EDT | Winter Weather Advisory | BGM | 70 hr |
| Mar 13, 3:50 PM EDT | Winter Storm Warning | BGM | 37 hr |
| Mar 14, 3:05 PM EDT | Special Weather Statement | BGM | 55 min |
| Mar 14, 4:04 PM EDT | Special Weather Statement | BGM | 56 min |
| Mar 14, 5:05 PM EDT | Special Weather Statement | BGM | 55 min |
| Mar 14, 6:11 PM EDT | Special Weather Statement | BGM | 109 min |
| Mar 14, 8:13 PM EDT | Special Weather Statement | BGM | 2 hr |
| Mar 14, 10:00 PM EDT | Special Weather Statement | BGM | 2 hr |
| Mar 16, 7:23 AM EDT | Special Weather Statement | BGM | 67 min |
| Apr 3, 4:15 AM EDT | High Wind Watch | BGM | 11 hr |
| Apr 3, 3:13 PM EDT | High Wind Warning | BGM | 31 hr |
| Apr 3, 3:13 PM EDT | Wind Advisory | BGM | 12 hr |
| Apr 13, 3:37 PM EDT | Winter Weather Advisory | BGM | 62 hr |
| Apr 15, 11:02 AM EDT | Wind Advisory | BGM | 27 hr |
| May 3, 2:47 PM EDT | Special Weather Statement | BGM | 58 min |
| May 4, 3:50 AM EDT | Wind Advisory | BGM | 19 hr |
| May 4, 2:23 PM EDT | Mesoscale Discussion | SPC | 97 min |
| May 4, 2:44 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 4, 4:20 PM EDT | Mesoscale Discussion | SPC | 55 min |
| May 4, 5:45 PM EDT | Severe Thunderstorm Warning | BGM | 45 min |
| May 4, 5:49 PM EDT | Severe Thunderstorm Warning | BGM | 41 min |
| May 4, 6:27 PM EDT | Severe Thunderstorm Warning | BGM | 63 min |
| May 10, 2:38 PM EDT | Special Weather Statement | BGM | 37 min |
| May 15, 8:29 AM EDT | Special Weather Statement | BGM | 61 min |
| May 15, 12:26 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 28, 2:16 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 28, 2:39 PM EDT | Severe Thunderstorm Warning | BGM | 66 min |
| May 28, 3:17 PM EDT | Severe Thunderstorm Warning | BGM | 43 min |
| May 28, 3:31 PM EDT | Severe Thunderstorm Warning | BGM | 59 min |
| Jun 1, 3:20 PM EDT | Areal Flood Advisory | BGM | 3 hr |
| Jun 1, 3:42 PM EDT | Special Weather Statement | BGM | 48 min |
| Jun 1, 6:55 PM EDT | Special Weather Statement | BGM | 65 min |
| Jun 13, 3:30 PM EDT | Mesoscale Discussion | SPC | 60 min |
| Jun 13, 4:06 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 13, 7:12 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Jun 13, 7:24 PM EDT | Special Weather Statement | BGM | 51 min |
| Jun 13, 8:10 PM EDT | Severe Thunderstorm Warning | BGM | 50 min |
| Jun 17, 2:26 PM EDT | Heat Advisory | BGM | 30 hr |
| Jun 18, 12:19 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Jun 18, 4:04 PM EDT | Mesoscale Discussion | SPC | 26 min |
| Jun 29, 3:49 AM EDT | Heat Advisory | BGM | 5 days |
| Jul 2, 1:03 PM EDT | Mesoscale Discussion | SPC | 72 min |
| Jul 2, 5:40 PM EDT | Special Weather Statement | BGM | 50 min |
| Jul 3, 3:24 PM EDT | Heat Advisory | BGM | 30 hr |
| Jul 16, 7:57 PM EDT | Severe Thunderstorm Warning | BGM | 63 min |
| Jul 16, 8:40 PM EDT | Severe Thunderstorm Warning | BGM | 65 min |
| Jul 16, 9:03 PM EDT | Severe Thunderstorm Warning | BGM | 42 min |
| Jul 16, 9:16 PM EDT | Areal Flood Advisory | BGM | 3 hr |
| Jul 16, 9:30 PM EDT | Flash Flood Warning | BGM | 3 hr |
| Jul 23, 12:07 PM EDT | Flash Flood Watch | BGM | 62 hr |
| Jul 23, 2:40 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 25, 2:16 AM EDT | Areal Flood Advisory | BGM | 3 hr |
| Jul 25, 3:49 PM EDT | Areal Flood Advisory | BGM | 4 hr |
| Jul 25, 5:52 PM EDT | Severe Thunderstorm Warning | BGM | 38 min |
| Aug 5, 2:52 PM EDT | Heat Advisory | BGM | 30 hr |
| Aug 8, 12:09 PM EDT | Flash Flood Watch | BGM | 12 hr |
| Aug 8, 1:39 PM EDT | Special Weather Statement | BGM | 51 min |
| Aug 8, 6:15 PM EDT | Areal Flood Advisory | BGM | 2 hr |
| Aug 13, 3:15 AM EDT | Flash Flood Watch | BGM | 45 hr |
| Aug 13, 9:03 PM EDT | Areal Flood Advisory | BGM | 3 hr |
| Aug 14, 2:56 AM EDT | Areal Flood Advisory | BGM | 3 hr |
| Aug 14, 6:47 PM EDT | Areal Flood Advisory | BGM | 3 hr |
| Aug 14, 7:16 PM EDT | Flash Flood Warning | BGM | 5 hr |
| Aug 27, 3:44 AM EDT | Heat Advisory | BGM | 64 hr |
| Aug 29, 7:50 PM EDT | Severe Thunderstorm Warning | BGM | 55 min |
| Aug 29, 8:55 PM EDT | Special Weather Statement | BGM | 50 min |
| Aug 29, 9:34 PM EDT | Severe Thunderstorm Warning | BGM | 56 min |
| Sep 2, 3:25 PM EDT | Heat Advisory | BGM | 27 hr |
| Sep 4, 2:00 PM EDT | Heat Advisory | BGM | 30 hr |
| Sep 8, 4:14 AM EDT | Flood Watch | BGM | 62 hr |
| Sep 12, 1:46 AM EDT | Dense Fog Advisory | BGM | 8 hr |
| Sep 17, 4:10 AM EDT | Flash Flood Watch | BGM | 32 hr |
| Sep 17, 11:48 PM EDT | Areal Flood Advisory | BGM | 4 hr |
| Sep 18, 12:10 AM EDT | Flash Flood Warning | BGM | 6 hr |
| Sep 18, 6:15 AM EDT | Areal Flood Warning | BGM | 6 hr |
| Sep 21, 7:04 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Sep 21, 7:40 PM EDT | Severe Thunderstorm Warning | BGM | 35 min |
| Sep 21, 8:10 PM EDT | Severe Thunderstorm Warning | BGM | 35 min |
| Sep 26, 1:58 PM EDT | Special Weather Statement | BGM | 32 min |
| Oct 11, 2:30 PM EDT | Special Weather Statement | BGM | 60 min |
| Oct 13, 3:32 AM EDT | Frost Advisory | BGM | 29 hr |
| Nov 10, 10:29 AM EST | Special Weather Statement | BGM | 91 min |
| Nov 12, 2:54 PM EST | Winter Weather Advisory | BGM | 20 hr |
| Nov 14, 4:46 AM EST | Winter Storm Watch | BGM | 23 hr |
| Nov 14, 8:58 AM EST | Special Weather Statement | BGM | 77 min |
| Nov 14, 10:16 AM EST | Special Weather Statement | BGM | 89 min |
| Nov 15, 4:02 AM EST | Winter Storm Warning | BGM | 30 hr |
| Nov 15, 4:39 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Nov 15, 10:06 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Nov 16, 3:56 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Nov 21, 12:07 PM EST | Snow Squall Warning | BGM | 53 min |
| Nov 21, 12:26 PM EST | Snow Squall Warning | BGM | 64 min |
| Nov 24, 10:08 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Nov 26, 5:47 PM EST | Winter Weather Advisory | BGM | 49 hr |
| Dec 13, 12:36 PM EST | Special Weather Statement | BGM | 39 min |
| Dec 15, 11:52 AM EST | Winter Weather Advisory | BGM | 34 hr |
| Dec 19, 3:18 PM EST | Flood Watch | BGM | 58 hr |
| Dec 21, 8:08 PM EST | Areal Flood Advisory | BGM | 3 hr |
| Dec 24, 4:38 PM EST | Special Weather Statement | BGM | 37 min |
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 | 15 |
| Severe Thunderstorm Watch | 3 |
| Mesoscale Discussion | 18 |
| Special Weather Statement | 24 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 3 |
| Flash Flood Watch | 4 |
| Flood Watch | 3 |
| Areal Flood Advisory | 11 |
| Winter | |
| Snow Squall Warning | 4 |
| Winter Storm Warning | 5 |
| Winter Storm Watch | 4 |
| Winter Weather Advisory | 11 |
| Heat | |
| Heat Advisory | 7 |
| Cold | |
| Wind Chill Warning | 1 |
| Wind Chill Watch | 1 |
| Frost Advisory | 1 |
| Wind and dust | |
| High Wind Warning | 1 |
| High Wind Watch | 1 |
| Wind Advisory | 3 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe 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.