Alert archive / New York / Jefferson County
Weather alerts in Jefferson County, New York, 2012
114 weather alerts in 2012, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Jefferson County and its neighbors
Each county as a circle sized by its count in 2012. Tap one for its archive.
- Alerts
- 114
- Warnings
- 34
- Watches
- 16
- Advisories
- 35
- Busiest month
- January22 alerts
- Busiest day
- August 5, 20127 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Jefferson County, 2012
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 14 | 9 | 36% | 9 | 78% | 20 min |
| Flash flood warnings | 1 | 1 | 0% | 1 | 100% | 25 min |
Each office's whole area, 2012
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Buffalo, NY: severe thunderstorm warnings | 88 | 68 | 23% | 225 | 85% | 25 min |
| NWS Buffalo, NY: flash flood warnings | 8 | 4 | 50% | 10 | 90% | 45 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 1, 4:23 AM EST | Lake Effect Snow Warning | BUF | 59 hr |
| Jan 1, 4:33 AM EST | High Wind Warning | BUF | 23 hr |
| Jan 2, 3:50 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Jan 3, 5:38 PM EST | Wind Chill Advisory | BUF | 13 hr |
| Jan 11, 4:07 AM EST | Winter Weather Advisory | BUF | 54 hr |
| Jan 12, 4:35 AM EST | Winter Weather Advisory | BUF | 59 hr |
| Jan 12, 10:04 AM EST | Ice Storm Warning | BUF | 6 hr |
| Jan 12, 4:00 PM EST | Lake Effect Snow Watch | BUF | 18 hr |
| Jan 13, 3:37 AM EST | Wind Advisory | BUF | 12 hr |
| Jan 13, 9:48 AM EST | Winter Storm Warning | BUF | 17 hr |
| Jan 13, 10:42 AM EST | Mesoscale Discussion | SPC | 4 hr |
| Jan 16, 3:57 AM EST | Winter Weather Advisory | BUF | 24 hr |
| Jan 17, 4:15 AM EST | Wind Advisory | BUF | 6 hr |
| Jan 17, 9:57 AM EST | High Wind Warning | BUF | 16 hr |
| Jan 18, 2:20 AM EST | Wind Advisory | BUF | 4 hr |
| Jan 19, 4:18 AM EST | Winter Weather Advisory | BUF | 27 hr |
| Jan 21, 10:32 PM EST | High Wind Watch | BUF | 17 hr |
| Jan 22, 3:28 PM EST | Wind Advisory | BUF | 38 hr |
| Jan 26, 4:09 AM EST | Winter Weather Advisory | BUF | 33 hr |
| Jan 28, 4:10 AM EST | Lake Effect Snow Advisory | BUF | 30 hr |
| Jan 28, 11:51 AM EST | Wind Advisory | BUF | 16 hr |
| Jan 29, 11:40 AM EST | Winter Weather Advisory | BUF | 16 hr |
| Feb 11, 3:59 PM EST | Wind Chill Advisory | BUF | 17 hr |
| Feb 22, 10:08 PM EST | Winter Weather Advisory | BUF | 5 hr |
| Feb 23, 4:28 PM EST | Lake Effect Snow Watch | BUF | 11 hr |
| Feb 23, 4:28 PM EST | Winter Weather Advisory | BUF | 11 hr |
| Feb 24, 3:54 AM EST | Winter Storm Warning | BUF | 28 hr |
| Feb 28, 3:21 PM EST | Winter Weather Advisory | BUF | 48 hr |
| Mar 1, 11:10 AM EST | High Wind Watch | BUF | 17 hr |
| Mar 2, 4:21 AM EST | High Wind Warning | BUF | 39 hr |
| Mar 2, 12:17 PM EST | Lakeshore Flood Warning | BUF | 29 hr |
| Mar 16, 4:36 PM EDT | Dense Fog Advisory | BUF | 18 hr |
| Apr 16, 1:33 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Apr 17, 4:00 AM EDT | Freeze Watch | BUF | 9 hr |
| Apr 17, 12:53 PM EDT | Freeze Warning | BUF | 20 hr |
| Apr 22, 4:36 AM EDT | Winter Storm Warning | BUF | 47 hr |
| Apr 22, 3:38 PM EDT | Wind Advisory | BUF | 18 hr |
| Apr 25, 9:33 PM EDT | Frost Advisory | BUF | 9 hr |
| Apr 27, 3:06 AM EDT | Freeze Watch | BUF | 7 hr |
| Apr 27, 9:57 AM EDT | Freeze Warning | BUF | 23 hr |
| Apr 28, 12:37 PM EDT | Hard Freeze Warning | BUF | 21 hr |
| Apr 29, 12:37 PM EDT | Hard Freeze Warning | BUF | 20 hr |
| May 3, 11:40 PM EDT | Special Weather Statement | BUF | 65 min |
| May 5, 3:03 PM EDT | Frost Advisory | BUF | 16 hr |
| May 22, 4:35 PM EDT | Special Weather Statement | BUF | 55 min |
| May 22, 4:36 PM EDT | Special Weather Statement | BUF | 54 min |
| May 25, 3:08 PM EDT | Mesoscale Discussion | SPC | 97 min |
| May 25, 9:18 PM EDT | Mesoscale Discussion | SPC | 117 min |
| May 29, 4:41 AM EDT | Special Weather Statement | BUF | 34 min |
| May 29, 10:27 AM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 29, 1:25 PM EDT | Mesoscale Discussion | SPC | 65 min |
| Jun 8, 5:06 PM EDT | Special Weather Statement | BUF | 54 min |
| Jun 8, 5:07 PM EDT | Special Weather Statement | BUF | 53 min |
| Jun 8, 5:46 PM EDT | Severe Thunderstorm Warning | BUF | 27 min |
| Jun 8, 6:58 PM EDT | Special Weather Statement | BUF | 47 min |
| Jun 23, 2:43 PM EDT | Special Weather Statement | BUF | 47 min |
| Jul 17, 12:02 PM EDT | Mesoscale Discussion | SPC | 58 min |
| Jul 17, 1:23 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 17, 3:32 PM EDT | Mesoscale Discussion | SPC | 58 min |
| Jul 17, 6:30 PM EDT | Severe Thunderstorm Warning | BUF | 45 min |
| Jul 17, 6:30 PM EDT | Mesoscale Discussion | SPC | 60 min |
| Jul 23, 12:32 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Jul 23, 11:20 PM EDT | Special Weather Statement | BUF | 55 min |
| Jul 31, 6:09 PM EDT | Severe Thunderstorm Warning | BUF | 17 min |
| Jul 31, 6:29 PM EDT | Severe Thunderstorm Warning | BUF | 61 min |
| Jul 31, 6:48 PM EDT | Severe Thunderstorm Warning | BUF | 72 min |
| Aug 4, 3:54 AM EDT | Heat Advisory | BUF | 16 hr |
| Aug 5, 12:42 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 5, 3:42 PM EDT | Severe Thunderstorm Warning | BUF | 63 min |
| Aug 5, 3:49 PM EDT | Severe Thunderstorm Warning | BUF | 26 min |
| Aug 5, 3:57 PM EDT | Flash Flood Warning | BUF | 111 min |
| Aug 5, 4:11 PM EDT | Severe Thunderstorm Warning | BUF | 49 min |
| Aug 5, 4:21 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Aug 5, 4:32 PM EDT | Areal Flood Advisory | BUF | 77 min |
| Sep 4, 5:35 PM EDT | Special Weather Statement | BUF | 70 min |
| Sep 4, 6:33 PM EDT | Areal Flood Advisory | BUF | 3 hr |
| Sep 4, 9:31 PM EDT | Areal Flood Advisory | BUF | 2 hr |
| Sep 6, 7:34 AM EDT | Special Weather Statement | BUF | 56 min |
| Sep 6, 2:50 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Sep 8, 8:42 AM EDT | Mesoscale Discussion | SPC | 93 min |
| Sep 8, 10:03 AM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Sep 8, 12:09 PM EDT | Severe Thunderstorm Warning | BUF | 66 min |
| Sep 8, 1:05 PM EDT | Severe Thunderstorm Warning | BUF | 55 min |
| Sep 8, 1:47 PM EDT | Severe Thunderstorm Warning | BUF | 58 min |
| Sep 14, 4:20 PM EDT | Special Weather Statement | BUF | 40 min |
| Sep 14, 5:33 PM EDT | Mesoscale Discussion | SPC | 57 min |
| Sep 15, 4:03 AM EDT | Frost Advisory | BUF | 24 hr |
| Sep 18, 2:10 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Sep 18, 2:44 PM EDT | Severe Thunderstorm Warning | BUF | 61 min |
| Sep 18, 6:35 PM EDT | Special Weather Statement | BUF | 55 min |
| Sep 22, 7:43 AM EDT | Special Weather Statement | BUF | 92 min |
| Sep 22, 8:42 AM EDT | Severe Thunderstorm Warning | BUF | 63 min |
| Sep 22, 9:45 AM EDT | Severe Thunderstorm Warning | BUF | 60 min |
| Oct 7, 3:38 PM EDT | Frost Advisory | BUF | 13 hr |
| Oct 8, 4:16 AM EDT | Freeze Watch | BUF | 11 hr |
| Oct 8, 3:14 PM EDT | Frost Advisory | BUF | 18 hr |
| Oct 11, 2:49 PM EDT | Freeze Watch | BUF | 13 hr |
| Oct 12, 3:28 AM EDT | Freeze Warning | BUF | 30 hr |
| Oct 14, 3:41 PM EDT | Wind Advisory | BUF | 19 hr |
| Oct 27, 4:09 PM EDT | High Wind Watch | BUF | 12 hr |
| Oct 28, 4:12 AM EDT | High Wind Warning | BUF | 51 hr |
| Nov 11, 3:36 PM EST | Wind Advisory | BUF | 30 hr |
| Nov 23, 4:00 AM EST | Lake Effect Snow Advisory | BUF | 41 hr |
| Nov 24, 4:09 PM EST | Lake Effect Snow Watch | BUF | 12 hr |
| Nov 25, 4:03 AM EST | Lake Effect Snow Warning | BUF | 26 hr |
| Nov 26, 3:39 PM EST | Lake Effect Snow Advisory | BUF | 12 hr |
| Dec 9, 11:14 AM EST | Winter Weather Advisory | BUF | 16 hr |
| Dec 19, 3:24 PM EST | Wind Advisory | BUF | 37 hr |
| Dec 20, 10:12 AM EST | High Wind Warning | BUF | 21 hr |
| Dec 20, 1:08 PM EST | Winter Storm Warning | BUF | 50 hr |
| Dec 20, 1:08 PM EST | Winter Weather Advisory | BUF | 50 hr |
| Dec 24, 3:41 PM EST | Winter Storm Watch | BUF | 20 hr |
| Dec 25, 11:15 AM EST | Winter Storm Warning | BUF | 50 hr |
| Dec 26, 8:22 PM EST | Mesoscale Discussion | SPC | 6 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 | 14 |
| Severe Thunderstorm Watch | 5 |
| Mesoscale Discussion | 15 |
| Special Weather Statement | 14 |
| Flooding | |
| Flash Flood Warning | 1 |
| Areal Flood Advisory | 3 |
| Winter | |
| Ice Storm Warning | 1 |
| Lake Effect Snow Warning | 2 |
| Winter Storm Warning | 5 |
| Lake Effect Snow Watch | 3 |
| Winter Storm Watch | 1 |
| Lake Effect Snow Advisory | 3 |
| Winter Weather Advisory | 11 |
| Heat | |
| Heat Advisory | 1 |
| Cold | |
| Freeze Warning | 3 |
| Hard Freeze Warning | 2 |
| Freeze Watch | 4 |
| Frost Advisory | 5 |
| Wind Chill Advisory | 2 |
| Wind and dust | |
| High Wind Warning | 5 |
| High Wind Watch | 3 |
| Wind Advisory | 9 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
| Coast and beach | |
| Lakeshore Flood Warning | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20112013
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.