Alert archive / New York / Genesee County
Weather alerts in Genesee County, New York, 2010
88 weather alerts in 2010, 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 2010. Tap one for its archive.
- Alerts
- 88
- Warnings
- 22
- Watches
- 13
- Advisories
- 28
- Busiest month
- July15 alerts
- Busiest day
- July 21, 20108 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, 2010
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 9 | 4 | 56% | 5 | 80% | 17 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2010
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Buffalo, NY: tornado warnings | 9 | 4 | 56% | 7 | 86% | 30 min |
| NWS Buffalo, NY: severe thunderstorm warnings | 59 | 36 | 39% | 97 | 71% | 26 min |
| NWS Buffalo, NY: flash flood warnings | 14 | 9 | 36% | 16 | 94% | 57 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, 4:57 AM EST | Winter Weather Advisory | BUF | 47 hr |
| Jan 2, 11:23 AM EST | Lake Effect Snow Warning | BUF | 41 hr |
| Jan 13, 3:11 PM EST | Winter Weather Advisory | BUF | 13 hr |
| Jan 18, 9:35 PM EST | Winter Weather Advisory | BUF | 6 hr |
| Jan 19, 7:07 AM EST | Winter Weather Advisory | BUF | 3 hr |
| Jan 23, 3:20 PM EST | Flood Watch | BUF | 47 hr |
| Jan 25, 5:56 AM EST | Areal Flood Advisory | BUF | 4 hr |
| Jan 25, 5:03 PM EST | River Flood Warning | BUF | 12 hr |
| Jan 27, 9:38 AM EST | Lake Effect Snow Advisory | BUF | 6 hr |
| Jan 27, 2:40 PM EST | Lake Effect Snow Warning | BUF | 32 hr |
| Jan 27, 9:28 PM EST | Lake Effect Snow Advisory | BUF | 36 hr |
| Feb 8, 4:00 PM EST | Winter Weather Advisory | BUF | 47 hr |
| Feb 17, 10:30 PM EST | Winter Weather Advisory | BUF | 11 hr |
| Feb 22, 3:55 PM EST | Winter Weather Advisory | BUF | 14 hr |
| Feb 24, 4:12 AM EST | Winter Storm Watch | BUF | 11 hr |
| Feb 24, 2:42 PM EST | Winter Storm Warning | BUF | 42 hr |
| Mar 12, 3:53 PM EST | Flood Watch | BUF | 35 hr |
| Mar 14, 6:25 AM EDT | River Flood Warning | BUF | 61 hr |
| Apr 3, 3:42 PM EDT | Wind Advisory | BUF | 6 hr |
| Apr 6, 1:29 PM EDT | Mesoscale Discussion | SPC | 61 min |
| Apr 19, 4:05 AM EDT | Frost Advisory | BUF | 28 hr |
| Apr 22, 3:47 AM EDT | Frost Advisory | BUF | 29 hr |
| Apr 23, 3:41 PM EDT | Frost Advisory | BUF | 16 hr |
| May 5, 4:48 PM EDT | Mesoscale Discussion | SPC | 87 min |
| May 7, 3:35 AM EDT | High Wind Watch | BUF | 12 hr |
| May 7, 3:24 PM EDT | High Wind Warning | BUF | 31 hr |
| May 7, 10:44 PM EDT | Severe Thunderstorm Warning | BUF | 61 min |
| May 8, 4:25 PM EDT | Freeze Watch | BUF | 23 hr |
| May 9, 3:34 PM EDT | Freeze Watch | BUF | 24 hr |
| May 9, 3:34 PM EDT | Freeze Warning | BUF | 15 hr |
| May 10, 11:36 AM EDT | Freeze Warning | BUF | 20 hr |
| May 13, 11:02 PM EDT | Areal Flood Advisory | BUF | 2 hr |
| Jun 5, 1:13 AM EDT | Areal Flood Advisory | BUF | 2 hr |
| Jun 6, 3:38 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 6, 7:48 AM EDT | Areal Flood Advisory | BUF | 117 min |
| Jun 16, 1:39 PM EDT | Mesoscale Discussion | SPC | 96 min |
| Jun 24, 1:30 AM EDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Jun 27, 3:49 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Jun 27, 4:19 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 27, 8:12 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Jun 28, 12:05 PM EDT | Mesoscale Discussion | SPC | 55 min |
| Jun 28, 3:15 PM EDT | Special Weather Statement | BUF | 60 min |
| Jun 28, 7:01 PM EDT | Special Weather Statement | BUF | 59 min |
| Jul 17, 3:05 PM EDT | Mesoscale Discussion | SPC | 55 min |
| Jul 21, 10:43 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 21, 11:27 AM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jul 21, 1:59 PM EDT | Mesoscale Discussion | SPC | 61 min |
| Jul 21, 2:24 PM EDT | Areal Flood Advisory | BUF | 3 hr |
| Jul 21, 3:41 PM EDT | Mesoscale Discussion | SPC | 64 min |
| Jul 21, 4:42 PM EDT | Areal Flood Warning | BUF | 4 hr |
| Jul 21, 4:48 PM EDT | Special Weather Statement | BUF | 57 min |
| Jul 21, 5:12 PM EDT | Severe Thunderstorm Warning | BUF | 63 min |
| Jul 23, 12:14 PM EDT | Mesoscale Discussion | SPC | 91 min |
| Jul 23, 12:46 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 24, 4:14 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 28, 4:21 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Jul 28, 6:26 PM EDT | Severe Thunderstorm Warning | BUF | 31 min |
| Jul 28, 7:30 PM EDT | Severe Thunderstorm Warning | BUF | 60 min |
| Aug 5, 7:38 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 15, 10:29 PM EDT | Special Weather Statement | BUF | 91 min |
| Aug 16, 1:30 AM EDT | Severe Thunderstorm Warning | BUF | 29 min |
| Aug 16, 2:27 AM EDT | Special Weather Statement | BUF | 63 min |
| Aug 19, 5:08 PM EDT | Severe Thunderstorm Warning | BUF | 67 min |
| Aug 19, 6:51 PM EDT | Severe Thunderstorm Warning | BUF | 28 min |
| Aug 19, 9:27 PM EDT | Special Weather Statement | BUF | 63 min |
| Sep 7, 6:42 PM EDT | Special Weather Statement | BUF | 63 min |
| Sep 7, 6:50 PM EDT | Special Weather Statement | BUF | 55 min |
| Sep 7, 8:35 PM EDT | Severe Thunderstorm Warning | BUF | 42 min |
| Sep 7, 9:30 PM EDT | Special Weather Statement | BUF | 60 min |
| Oct 9, 3:44 AM EDT | Frost Advisory | BUF | 29 hr |
| Oct 12, 3:26 AM EDT | Frost Advisory | BUF | 30 hr |
| Oct 26, 6:05 PM EDT | Severe Thunderstorm Warning | BUF | 41 min |
| Nov 12, 6:53 PM EST | Dense Fog Advisory | BUF | 16 hr |
| Nov 16, 3:18 PM EST | Wind Advisory | BUF | 32 hr |
| Nov 24, 3:48 PM EST | Lake Effect Snow Watch | BUF | 24 hr |
| Nov 25, 3:54 AM EST | Lake Effect Snow Warning | BUF | 59 hr |
| Nov 27, 12:16 AM EST | Mesoscale Discussion | SPC | 4 hr |
| Nov 30, 11:41 AM EST | Lake Effect Snow Watch | BUF | 16 hr |
| Dec 1, 4:04 AM EST | Lake Effect Snow Warning | BUF | 57 hr |
| Dec 2, 12:53 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Dec 5, 3:55 AM EST | Lake Effect Snow Warning | BUF | 4 days |
| Dec 5, 3:55 AM EST | Lake Effect Snow Advisory | BUF | 72 hr |
| Dec 10, 2:46 PM EST | Winter Weather Advisory | BUF | 13 hr |
| Dec 12, 3:28 PM EST | Lake Effect Snow Warning | BUF | 5 days |
| Dec 13, 4:20 AM EST | Lake Effect Snow Advisory | BUF | 48 hr |
| Dec 15, 3:40 PM EST | Lake Effect Snow Advisory | BUF | 28 hr |
| Dec 17, 2:16 PM EST | Lake Effect Snow Advisory | BUF | 17 hr |
| Dec 22, 8:06 PM EST | Winter Weather Advisory | BUF | 9 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 archive20092011
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.