Alert archive / New York / Onondaga County
Weather alerts in Onondaga County, New York, 2021
180 weather alerts in 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Onondaga County and its neighbors
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Alerts
- 180
- Warnings
- 59
- Watches
- 15
- Advisories
- 51
- Busiest month
- June39 alerts
- Busiest day
- June 29, 202110 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 Onondaga County in 2021 had a tornado report inside them.
Onondaga County, 2021
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 3 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 36 | 23 | 36% | 28 | 96% | 21 min |
| Flash flood warnings | 5 | 5 | 0% | 14 | 64% | 96 min |
Each office's whole area, 2021
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Binghamton, NY: tornado warnings | 17 | 0 | 100% | 3 | 0% | |
| NWS Binghamton, NY: severe thunderstorm warnings | 274 | 159 | 42% | 520 | 83% | 21 min |
| NWS Binghamton, NY: flash flood warnings | 83 | 50 | 40% | 193 | 89% | 102 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 20, 8:38 AM EST | Special Weather Statement | BGM | 37 min |
| Jan 20, 9:14 AM EST | Special Weather Statement | BGM | 61 min |
| Jan 21, 3:10 AM EST | Winter Weather Advisory | BGM | 55 hr |
| Jan 22, 10:18 AM EST | Special Weather Statement | BGM | 57 min |
| Jan 22, 8:11 PM EST | Special Weather Statement | BGM | 109 min |
| Jan 22, 10:14 PM EST | Special Weather Statement | BGM | 106 min |
| Jan 23, 12:29 AM EST | Lake Effect Snow Warning | BGM | 10 hr |
| Jan 25, 3:19 PM EST | Winter Weather Advisory | BGM | 38 hr |
| Jan 28, 3:32 AM EST | Wind Chill Advisory | BGM | 32 hr |
| Jan 28, 8:30 AM EST | Winter Weather Advisory | BGM | 25 hr |
| Jan 30, 3:34 PM EST | Winter Storm Watch | BGM | 37 hr |
| Jan 30, 3:34 PM EST | Winter Storm Warning | BGM | 4 days |
| Feb 2, 2:22 AM EST | Special Weather Statement | BGM | 53 min |
| Feb 2, 6:34 AM EST | Special Weather Statement | BGM | 56 min |
| Feb 3, 7:52 AM EST | Winter Weather Advisory | BGM | 5 hr |
| Feb 13, 3:50 PM EST | Winter Storm Watch | BGM | 35 hr |
| Feb 14, 4:15 PM EST | Winter Storm Warning | BGM | 36 hr |
| Feb 15, 2:55 AM EST | Winter Weather Advisory | BGM | 30 hr |
| Feb 15, 8:06 PM EST | Mesoscale Discussion | SPC | 5 hr |
| Feb 16, 2:27 PM EST | Winter Weather Advisory | BGM | 13 hr |
| Feb 18, 3:55 PM EST | Winter Storm Watch | BGM | 23 hr |
| Feb 19, 2:43 PM EST | Lake Effect Snow Warning | BGM | 33 hr |
| Feb 20, 12:57 PM EST | Snow Squall Warning | BGM | 63 min |
| Feb 22, 8:55 AM EST | Special Weather Statement | BGM | 110 min |
| Feb 22, 10:57 AM EST | Special Weather Statement | BGM | 108 min |
| Feb 22, 5:23 PM EST | Special Weather Statement | BGM | 37 min |
| Feb 28, 3:19 PM EST | Wind Advisory | BGM | 43 hr |
| Mar 1, 3:11 PM EST | Special Weather Statement | BGM | 94 min |
| Mar 25, 3:35 PM EDT | Wind Advisory | BGM | 28 hr |
| Mar 26, 7:09 AM EDT | Special Weather Statement | BGM | 51 min |
| Mar 26, 11:11 AM EDT | Special Weather Statement | BGM | 64 min |
| Mar 28, 3:49 AM EDT | Wind Advisory | BGM | 29 hr |
| Mar 28, 2:59 PM EDT | Special Weather Statement | BGM | 61 min |
| Mar 30, 3:04 PM EDT | Winter Storm Watch | BGM | 13 hr |
| Mar 31, 4:02 AM EDT | Winter Weather Advisory | BGM | 30 hr |
| Apr 28, 1:06 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Apr 29, 3:37 PM EDT | Wind Advisory | BGM | 34 hr |
| May 8, 2:53 PM EDT | Frost Advisory | BGM | 17 hr |
| May 10, 2:31 PM EDT | Frost Advisory | BGM | 17 hr |
| May 25, 5:38 PM EDT | Special Weather Statement | BGM | 37 min |
| May 26, 12:16 PM EDT | Mesoscale Discussion | SPC | 119 min |
| May 26, 12:38 PM EDT | Severe Thunderstorm Warning | BGM | 52 min |
| May 26, 12:59 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 26, 1:19 PM EDT | Severe Thunderstorm Warning | BGM | 56 min |
| May 26, 5:29 PM EDT | Special Weather Statement | BGM | 31 min |
| Jun 8, 6:09 AM EDT | Areal Flood Advisory | BGM | 96 min |
| Jun 14, 12:18 AM EDT | Severe Thunderstorm Warning | BGM | 27 min |
| Jun 14, 12:39 AM EDT | Tornado Warning | BGM | 36 min |
| Jun 14, 1:01 AM EDT | Areal Flood Advisory | BGM | 119 min |
| Jun 14, 1:08 AM EDT | Severe Thunderstorm Warning | BGM | 30 min |
| Jun 21, 1:11 PM EDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Jun 21, 1:58 PM EDT | Special Weather Statement | BGM | 32 min |
| Jun 21, 2:07 PM EDT | Severe Thunderstorm Warning | BGM | 53 min |
| Jun 21, 3:26 PM EDT | Severe Thunderstorm Warning | BGM | 64 min |
| Jun 21, 4:10 PM EDT | Severe Thunderstorm Warning | BGM | 35 min |
| Jun 21, 4:41 PM EDT | Severe Thunderstorm Warning | BGM | 64 min |
| Jun 21, 4:53 PM EDT | Severe Thunderstorm Warning | BGM | 67 min |
| Jun 21, 5:34 PM EDT | Severe Thunderstorm Warning | BGM | 56 min |
| Jun 21, 6:05 PM EDT | Severe Thunderstorm Warning | BGM | 55 min |
| Jun 26, 3:07 PM EDT | Heat Advisory | BGM | 29 hr |
| Jun 27, 4:14 PM EDT | Heat Advisory | BGM | 28 hr |
| Jun 28, 3:53 PM EDT | Heat Advisory | BGM | 28 hr |
| Jun 28, 5:01 PM EDT | Special Weather Statement | BGM | 29 min |
| Jun 28, 5:15 PM EDT | Severe Thunderstorm Warning | BGM | 30 min |
| Jun 28, 5:27 PM EDT | Special Weather Statement | BUF | 18 min |
| Jun 28, 5:36 PM EDT | Areal Flood Advisory | BGM | 114 min |
| Jun 28, 5:45 PM EDT | Severe Thunderstorm Warning | BGM | 45 min |
| Jun 28, 5:50 PM EDT | Special Weather Statement | BUF | 25 min |
| Jun 29, 2:21 PM EDT | Special Weather Statement | BGM | 24 min |
| Jun 29, 2:29 PM EDT | Severe Thunderstorm Warning | BGM | 31 min |
| Jun 29, 2:33 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Jun 29, 2:58 PM EDT | Special Weather Statement | BGM | 32 min |
| Jun 29, 3:10 PM EDT | Severe Thunderstorm Warning | BGM | 35 min |
| Jun 29, 3:41 PM EDT | Severe Thunderstorm Warning | BGM | 34 min |
| Jun 29, 3:44 PM EDT | Areal Flood Advisory | BGM | 3 hr |
| Jun 29, 5:28 PM EDT | Severe Thunderstorm Warning | BGM | 62 min |
| Jun 29, 6:09 PM EDT | Special Weather Statement | BGM | 36 min |
| Jun 29, 6:16 PM EDT | Severe Thunderstorm Warning | BGM | 44 min |
| Jun 30, 11:04 AM EDT | Mesoscale Discussion | SPC | 116 min |
| Jun 30, 11:34 AM EDT | Severe Thunderstorm Warning | BGM | 56 min |
| Jun 30, 11:47 AM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 30, 12:15 PM EDT | Special Weather Statement | BUF | 15 min |
| Jun 30, 12:19 PM EDT | Severe Thunderstorm Warning | BGM | 41 min |
| Jun 30, 2:25 PM EDT | Severe Thunderstorm Warning | BGM | 50 min |
| Jul 2, 4:38 AM EDT | Areal Flood Advisory | BGM | 2 hr |
| Jul 5, 9:14 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 5, 10:37 PM EDT | Special Weather Statement | BGM | 23 min |
| Jul 6, 11:55 AM EDT | Special Weather Statement | BGM | 50 min |
| Jul 6, 1:05 PM EDT | Special Weather Statement | BGM | 40 min |
| Jul 6, 1:13 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 6, 1:19 PM EDT | Severe Thunderstorm Warning | BGM | 26 min |
| Jul 6, 1:28 PM EDT | Severe Thunderstorm Warning | BGM | 32 min |
| Jul 6, 1:42 PM EDT | Severe Thunderstorm Warning | BGM | 33 min |
| Jul 7, 7:55 AM EDT | Severe Thunderstorm Warning | BGM | 36 min |
| Jul 8, 4:18 PM EDT | Severe Thunderstorm Warning | BGM | 27 min |
| Jul 11, 3:31 AM EDT | Flash Flood Watch | BGM | 30 hr |
| Jul 12, 1:41 AM EDT | Areal Flood Advisory | BGM | 3 hr |
| Jul 12, 5:22 AM EDT | Areal Flood Warning | BGM | 118 min |
| Jul 13, 12:48 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Jul 13, 1:37 PM EDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Jul 13, 4:07 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Jul 13, 4:12 PM EDT | Special Weather Statement | BGM | 33 min |
| Jul 13, 6:44 PM EDT | Mesoscale Discussion | SPC | 91 min |
| Jul 13, 9:01 PM EDT | Severe Thunderstorm Warning | BGM | 59 min |
| Jul 13, 9:12 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Jul 13, 9:57 PM EDT | Severe Thunderstorm Warning | BGM | 63 min |
| Jul 16, 2:24 PM EDT | Flash Flood Watch | BGM | 32 hr |
| Jul 20, 3:05 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 20, 4:17 PM EDT | Mesoscale Discussion | SPC | 118 min |
| Jul 20, 5:34 PM EDT | Special Weather Statement | BGM | 41 min |
| Jul 20, 7:12 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 27, 10:33 AM EDT | Mesoscale Discussion | SPC | 117 min |
| Jul 27, 11:12 AM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 27, 12:46 PM EDT | Special Weather Statement | BGM | 29 min |
| Jul 27, 2:01 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Jul 27, 2:29 PM EDT | Severe Thunderstorm Warning | BGM | 61 min |
| Aug 1, 12:27 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 1, 12:29 PM EDT | Severe Thunderstorm Warning | BGM | 46 min |
| Aug 8, 1:30 PM EDT | Areal Flood Advisory | BGM | 102 min |
| Aug 9, 3:36 PM EDT | Heat Advisory | BGM | 27 hr |
| Aug 10, 3:14 PM EDT | Heat Advisory | BGM | 28 hr |
| Aug 11, 3:15 AM EDT | Heat Advisory | BGM | 40 hr |
| Aug 11, 8:55 AM EDT | Special Weather Statement | BGM | 50 min |
| Aug 13, 2:48 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Aug 13, 3:29 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 13, 7:14 PM EDT | Mesoscale Discussion | SPC | 61 min |
| Aug 17, 11:52 AM EDT | Flash Flood Watch | BGM | 44 hr |
| Aug 17, 1:19 PM EDT | Areal Flood Advisory | BGM | 116 min |
| Aug 17, 5:12 PM EDT | Severe Thunderstorm Warning | BGM | 48 min |
| Aug 17, 5:33 PM EDT | Areal Flood Advisory | BGM | 117 min |
| Aug 17, 5:54 PM EDT | Special Weather Statement | BGM | 36 min |
| Aug 17, 6:10 PM EDT | Areal Flood Advisory | BGM | 2 hr |
| Aug 17, 6:27 PM EDT | Flash Flood Warning | BGM | 3 hr |
| Aug 17, 6:31 PM EDT | Special Weather Statement | BGM | 44 min |
| Aug 17, 7:53 PM EDT | Areal Flood Advisory | BGM | 3 hr |
| Aug 17, 8:59 PM EDT | Flash Flood Warning | BGM | 3 hr |
| Aug 18, 8:10 PM EDT | Areal Flood Advisory | BGM | 6 hr |
| Aug 19, 12:35 AM EDT | Flash Flood Warning | BGM | 4 hr |
| Aug 19, 2:14 AM EDT | Areal Flood Advisory | BGM | 106 min |
| Aug 19, 5:07 AM EDT | Areal Flood Warning | BGM | 5 hr |
| Aug 19, 5:35 AM EDT | River Flood Warning | BGM | 4 hr |
| Aug 19, 8:02 AM EDT | Areal Flood Warning | BGM | 6 hr |
| Aug 19, 10:33 PM EDT | River Flood Warning | BGM | 23 hr |
| Aug 24, 2:27 PM EDT | Heat Advisory | BGM | 29 hr |
| Aug 25, 3:13 PM EDT | Heat Advisory | BGM | 28 hr |
| Aug 29, 4:19 PM EDT | Severe Thunderstorm Warning | BGM | 28 min |
| Sep 23, 11:36 AM EDT | Areal Flood Advisory | BGM | 3 hr |
| Oct 15, 3:45 PM EDT | Severe Thunderstorm Warning | BGM | 30 min |
| Oct 15, 4:03 PM EDT | Tornado Warning | BGM | 27 min |
| Oct 15, 4:27 PM EDT | Severe Thunderstorm Warning | BGM | 23 min |
| Oct 16, 6:25 AM EDT | Tornado Warning | BGM | 35 min |
| Oct 16, 6:50 AM EDT | Special Weather Statement | BGM | 40 min |
| Oct 16, 9:48 AM EDT | Severe Thunderstorm Warning | BGM | 42 min |
| Oct 16, 10:20 AM EDT | Areal Flood Advisory | BGM | 3 hr |
| Oct 16, 10:27 AM EDT | Special Weather Statement | BGM | 33 min |
| Oct 16, 10:59 AM EDT | Areal Flood Advisory | BGM | 3 hr |
| Oct 16, 11:30 AM EDT | Severe Thunderstorm Warning | BGM | 20 min |
| Oct 16, 4:49 PM EDT | River Flood Warning | BGM | 5 hr |
| Oct 22, 6:57 PM EDT | Frost Advisory | BGM | 12 hr |
| Oct 26, 2:26 PM EDT | Flash Flood Warning | BGM | 6 hr |
| Oct 26, 3:40 PM EDT | Areal Flood Advisory | BGM | 3 hr |
| Oct 26, 4:20 PM EDT | Flash Flood Warning | BGM | 3 hr |
| Oct 26, 7:10 PM EDT | River Flood Warning | BGM | 7 hr |
| Oct 26, 7:10 PM EDT | River Flood Warning | BGM | 21 days |
| Oct 26, 8:25 PM EDT | Areal Flood Warning | BGM | 6 hr |
| Oct 29, 11:00 PM EDT | Areal Flood Advisory | BGM | 3 hr |
| Nov 12, 6:22 AM EST | Special Weather Statement | BGM | 23 min |
| Nov 12, 6:45 AM EST | Special Weather Statement | BGM | 60 min |
| Nov 12, 7:57 AM EST | Areal Flood Advisory | BGM | 3 hr |
| Nov 22, 3:27 AM EST | Winter Weather Advisory | BGM | 29 hr |
| Nov 25, 10:06 AM EST | Winter Weather Advisory | BGM | 41 hr |
| Dec 2, 5:04 PM EST | Special Weather Statement | BGM | 26 min |
| Dec 5, 3:38 AM EST | Wind Advisory | BGM | 45 hr |
| Dec 6, 3:41 AM EST | Winter Weather Advisory | BGM | 35 hr |
| Dec 10, 10:12 AM EST | Wind Advisory | BGM | 39 hr |
| Dec 11, 4:07 PM EST | High Wind Warning | BGM | 9 hr |
| Dec 17, 3:05 PM EST | Winter Weather Advisory | BGM | 31 hr |
| Dec 22, 11:59 PM EST | Winter Weather Advisory | BGM | 7 hr |
| Dec 26, 4:56 PM EST | Winter Weather Advisory | BGM | 38 hr |
| Dec 28, 2:17 PM EST | Winter Weather Advisory | BGM | 17 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 archive20202022
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.