Alert archive / New York / Genesee County
Weather alerts in Genesee County, New York, 2019
142 weather alerts in 2019, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Genesee County and its neighbors
Each county as a circle sized by its count in 2019. Tap one for its archive.
- Alerts
- 142
- Warnings
- 30
- Watches
- 14
- Advisories
- 35
- Busiest month
- January38 alerts
- Busiest day
- July 19, 20198 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Genesee County, 2019
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 11 | 9 | 18% | 2 | 50% | 18 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2019
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Buffalo, NY: tornado warnings | 2 | 0 | 100% | 0 | ||
| NWS Buffalo, NY: severe thunderstorm warnings | 106 | 65 | 39% | 173 | 79% | 20 min |
| NWS Buffalo, NY: flash flood warnings | 17 | 10 | 41% | 32 | 91% | 53 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 6, 2:41 PM EST | Winter Weather Advisory | BUF | 43 hr |
| Jan 8, 2:31 PM EST | Winter Weather Advisory | BUF | 46 hr |
| Jan 15, 2:12 PM EST | Winter Weather Advisory | BUF | 20 hr |
| Jan 16, 11:04 AM EST | Special Weather Statement | BUF | 56 min |
| Jan 16, 11:38 AM EST | Snow Squall Warning | BUF | 52 min |
| Jan 16, 2:13 PM EST | Winter Storm Watch | BUF | 37 hr |
| Jan 18, 3:23 AM EST | Winter Storm Warning | BUF | 58 hr |
| Jan 20, 3:28 AM EST | Wind Chill Advisory | BUF | 51 hr |
| Jan 22, 1:10 PM EST | Winter Weather Advisory | BUF | 29 hr |
| Jan 23, 2:15 PM EST | Winter Storm Watch | BUF | 23 hr |
| Jan 24, 12:57 PM EST | Winter Storm Warning | BUF | 48 hr |
| Jan 25, 12:54 AM EST | Special Weather Statement | BUF | 81 min |
| Jan 25, 2:21 AM EST | Special Weather Statement | BUF | 54 min |
| Jan 25, 7:35 AM EST | Special Weather Statement | BUF | 55 min |
| Jan 25, 10:19 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Jan 25, 3:47 PM EST | Special Weather Statement | BUF | 118 min |
| Jan 25, 6:21 PM EST | Special Weather Statement | BUF | 84 min |
| Jan 25, 8:57 PM EST | Special Weather Statement | BUF | 78 min |
| Jan 25, 10:33 PM EST | Special Weather Statement | BUF | 117 min |
| Jan 27, 5:59 AM EST | Special Weather Statement | BUF | 61 min |
| Jan 27, 6:33 AM EST | Snow Squall Warning | BUF | 57 min |
| Jan 27, 7:18 AM EST | Snow Squall Warning | BUF | 57 min |
| Jan 27, 11:40 AM EST | Special Weather Statement | BUF | 50 min |
| Jan 27, 1:58 PM EST | Winter Storm Watch | BUF | 24 hr |
| Jan 28, 2:24 PM EST | Wind Chill Watch | BUF | 23 hr |
| Jan 28, 2:24 PM EST | Winter Storm Warning | BUF | 4 days |
| Jan 29, 1:42 PM EST | Wind Chill Warning | BUF | 47 hr |
| Jan 29, 7:05 PM EST | Special Weather Statement | BUF | 85 min |
| Jan 30, 12:03 PM EST | Special Weather Statement | BUF | 117 min |
| Jan 30, 12:12 PM EST | Blizzard Warning | BUF | 13 hr |
| Jan 30, 12:12 PM EST | Winter Storm Warning | BUF | 43 hr |
| Jan 30, 2:12 PM EST | Special Weather Statement | BUF | 2 hr |
| Jan 30, 4:02 PM EST | Special Weather Statement | BUF | 118 min |
| Jan 30, 6:02 PM EST | Special Weather Statement | BUF | 118 min |
| Jan 30, 8:23 PM EST | Special Weather Statement | BUF | 97 min |
| Jan 31, 9:32 AM EST | Special Weather Statement | BUF | 3 hr |
| Jan 31, 12:25 PM EST | Special Weather Statement | BUF | 110 min |
| Jan 31, 12:48 PM EST | Wind Chill Advisory | BUF | 22 hr |
| Feb 1, 12:31 PM EST | Flood Watch | BUF | 5 days |
| Feb 2, 11:44 PM EST | Winter Weather Advisory | BUF | 10 hr |
| Feb 5, 1:44 PM EST | Winter Weather Advisory | BUF | 56 hr |
| Feb 6, 12:23 PM EST | Flood Watch | BUF | 39 hr |
| Feb 6, 2:49 PM EST | High Wind Watch | BUF | 19 hr |
| Feb 7, 10:11 AM EST | High Wind Warning | BUF | 31 hr |
| Feb 11, 3:26 AM EST | Winter Weather Advisory | BUF | 48 hr |
| Feb 12, 3:38 AM EST | Wind Advisory | BUF | 41 hr |
| Feb 13, 3:43 AM EST | Winter Weather Advisory | BUF | 24 hr |
| Feb 13, 3:51 PM EST | Snow Squall Warning | BUF | 54 min |
| Feb 13, 4:39 PM EST | Snow Squall Warning | BUF | 66 min |
| Feb 14, 12:46 PM EST | Wind Advisory | BUF | 30 hr |
| Feb 17, 3:43 AM EST | Winter Weather Advisory | BUF | 32 hr |
| Feb 19, 2:34 PM EST | Winter Weather Advisory | BUF | 43 hr |
| Feb 21, 12:00 PM EST | High Wind Watch | BUF | 15 hr |
| Feb 22, 3:19 AM EST | High Wind Warning | BUF | 3 days |
| Feb 23, 11:55 AM EST | Winter Weather Advisory | BUF | 49 hr |
| Feb 24, 8:10 AM EST | Special Weather Statement | BUF | 65 min |
| Feb 24, 9:15 AM EST | Special Weather Statement | BUF | 60 min |
| Feb 25, 9:49 AM EST | Wind Advisory | BUF | 5 hr |
| Feb 26, 10:55 AM EST | Winter Weather Advisory | BUF | 38 hr |
| Mar 3, 1:33 PM EST | Winter Weather Advisory | BUF | 3 days |
| Mar 4, 10:17 PM EST | Special Weather Statement | BUF | 58 min |
| Mar 8, 11:58 AM EST | High Wind Warning | BUF | 55 hr |
| Mar 9, 1:57 PM EST | Wind Advisory | BUF | 32 hr |
| Mar 14, 3:55 AM EDT | Wind Advisory | BUF | 33 hr |
| Mar 18, 3:13 PM EDT | Special Weather Statement | BUF | 47 min |
| Mar 18, 4:26 PM EDT | Special Weather Statement | BUF | 49 min |
| Mar 19, 6:04 AM EDT | Special Weather Statement | BUF | 56 min |
| Apr 3, 3:55 AM EDT | Wind Advisory | BUF | 18 hr |
| Apr 4, 2:32 PM EDT | Winter Weather Advisory | BUF | 19 hr |
| May 2, 4:00 AM EDT | Dense Fog Advisory | BUF | 6 hr |
| May 4, 2:24 AM EDT | Dense Fog Advisory | BUF | 9 hr |
| May 19, 11:30 AM EDT | Special Weather Statement | BUF | 45 min |
| May 23, 9:39 AM EDT | Severe Thunderstorm Watch | SPC | 3 hr |
| May 23, 10:56 AM EDT | Special Weather Statement | BUF | 64 min |
| May 25, 10:47 AM EDT | Special Weather Statement | BUF | 43 min |
| May 25, 12:53 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 25, 6:45 PM EDT | Severe Thunderstorm Warning | BUF | 32 min |
| May 25, 7:29 PM EDT | Severe Thunderstorm Warning | BUF | 61 min |
| Jun 1, 2:28 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 5, 4:21 AM EDT | Heat Advisory | BUF | 14 hr |
| Jul 6, 10:49 AM EDT | Special Weather Statement | BUF | 56 min |
| Jul 13, 8:14 PM EDT | Special Weather Statement | BUF | 31 min |
| Jul 13, 11:59 PM EDT | Special Weather Statement | BUF | 31 min |
| Jul 14, 12:05 AM EDT | Special Weather Statement | BUF | 25 min |
| Jul 16, 2:50 PM EDT | Special Weather Statement | BUF | 25 min |
| Jul 18, 1:54 PM EDT | Heat Advisory | BUF | 52 hr |
| Jul 19, 1:25 PM EDT | Severe Thunderstorm Warning | BUF | 65 min |
| Jul 19, 1:38 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 19, 1:57 PM EDT | Severe Thunderstorm Warning | BUF | 33 min |
| Jul 19, 2:13 PM EDT | Special Weather Statement | BUF | 17 min |
| Jul 19, 2:29 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 19, 2:50 PM EDT | Special Weather Statement | BUF | 25 min |
| Jul 19, 3:15 PM EDT | Special Weather Statement | BUF | 30 min |
| Jul 19, 4:40 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 20, 10:36 PM EDT | Special Weather Statement | BUF | 39 min |
| Jul 20, 11:02 PM EDT | Severe Thunderstorm Warning | BUF | 46 min |
| Jul 28, 3:19 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Aug 8, 11:15 AM EDT | Severe Thunderstorm Warning | BUF | 60 min |
| Aug 8, 11:50 AM EDT | Severe Thunderstorm Warning | BUF | 55 min |
| Aug 8, 3:01 PM EDT | Special Weather Statement | BUF | 44 min |
| Aug 16, 4:42 PM EDT | Special Weather Statement | BUF | 63 min |
| Aug 16, 5:03 PM EDT | Special Weather Statement | BUF | 57 min |
| Aug 16, 5:13 PM EDT | Severe Thunderstorm Warning | BUF | 62 min |
| Aug 16, 5:37 PM EDT | Severe Thunderstorm Warning | BUF | 53 min |
| Aug 17, 10:16 AM EDT | Special Weather Statement | BUF | 44 min |
| Aug 18, 7:15 AM EDT | Special Weather Statement | BUF | 30 min |
| Sep 4, 7:09 AM EDT | Special Weather Statement | BUF | 51 min |
| Sep 11, 1:35 AM EDT | Special Weather Statement | BUF | 40 min |
| Sep 11, 7:38 PM EDT | Flash Flood Watch | BUF | 7 hr |
| Sep 11, 9:01 PM EDT | Special Weather Statement | BUF | 59 min |
| Sep 23, 1:04 PM EDT | Special Weather Statement | BUF | 41 min |
| Sep 23, 6:31 PM EDT | Special Weather Statement | BUF | 44 min |
| Sep 23, 7:01 PM EDT | Severe Thunderstorm Warning | BUF | 39 min |
| Oct 1, 4:45 PM EDT | Severe Thunderstorm Warning | BUF | 60 min |
| Oct 1, 5:49 PM EDT | Special Weather Statement | BUF | 56 min |
| Oct 4, 3:31 AM EDT | Frost Advisory | BUF | 29 hr |
| Oct 18, 3:52 AM EDT | Frost Advisory | BUF | 29 hr |
| Oct 26, 4:18 AM EDT | Wind Advisory | BUF | 37 hr |
| Oct 28, 1:52 PM EDT | High Wind Watch | BUF | 61 hr |
| Oct 31, 3:16 AM EDT | High Wind Warning | BUF | 34 hr |
| Nov 10, 11:57 AM EST | Winter Storm Watch | BUF | 8 hr |
| Nov 10, 7:56 PM EST | Winter Storm Warning | BUF | 37 hr |
| Nov 14, 6:38 PM EST | Winter Weather Advisory | BUF | 10 hr |
| Nov 20, 9:34 PM EST | Wind Advisory | BUF | 41 hr |
| Nov 25, 3:31 AM EST | High Wind Watch | BUF | 35 hr |
| Nov 26, 2:49 PM EST | High Wind Warning | BUF | 34 hr |
| Nov 29, 2:46 PM EST | Winter Weather Advisory | BUF | 3 days |
| Dec 4, 10:42 AM EST | Special Weather Statement | BUF | 108 min |
| Dec 4, 11:53 AM EST | Special Weather Statement | BUF | 82 min |
| Dec 10, 3:39 AM EST | Winter Weather Advisory | BUF | 48 hr |
| Dec 11, 7:09 AM EST | Special Weather Statement | BUF | 66 min |
| Dec 11, 12:40 PM EST | Special Weather Statement | BUF | 80 min |
| Dec 11, 3:04 PM EST | Special Weather Statement | BUF | 71 min |
| Dec 11, 3:57 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Dec 13, 2:47 PM EST | Winter Weather Advisory | BUF | 46 hr |
| Dec 18, 3:44 AM EST | Special Weather Statement | BUF | 61 min |
| Dec 18, 7:47 AM EST | Special Weather Statement | BUF | 43 min |
| Dec 18, 11:38 AM EST | Snow Squall Warning | BUF | 67 min |
| Dec 18, 12:48 PM EST | Snow Squall Warning | BUF | 37 min |
| Dec 25, 7:24 PM EST | Dense Fog Advisory | BUF | 13 hr |
| Dec 30, 9:44 AM EST | Special Weather Statement | BUF | 61 min |
| Dec 31, 3:50 PM EST | Special Weather Statement | BUF | 55 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 | 11 |
| Severe Thunderstorm Watch | 2 |
| Mesoscale Discussion | 7 |
| Special Weather Statement | 56 |
| Flooding | |
| Flash Flood Watch | 1 |
| Flood Watch | 2 |
| Winter | |
| Blizzard Warning | 1 |
| Snow Squall Warning | 7 |
| Winter Storm Warning | 5 |
| Winter Storm Watch | 4 |
| Winter Weather Advisory | 18 |
| Heat | |
| Heat Advisory | 2 |
| Cold | |
| Wind Chill Warning | 1 |
| Wind Chill Watch | 1 |
| Frost Advisory | 2 |
| Wind Chill Advisory | 2 |
| Wind and dust | |
| High Wind Warning | 5 |
| High Wind Watch | 4 |
| Wind Advisory | 8 |
| 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 archive20182020
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.