Alert archive / New York / Jefferson County
Weather alerts in Jefferson County, New York, 2013
116 weather alerts in 2013, 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 2013. Tap one for its archive.
- Alerts
- 116
- Warnings
- 31
- Watches
- 22
- Advisories
- 38
- Busiest month
- January22 alerts
- Busiest day
- January 30, 20134 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, 2013
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 12 | 7 | 42% | 7 | 86% | 25 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2013
| 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 | 110 | 70 | 36% | 168 | 85% | 22 min |
| NWS Buffalo, NY: flash flood warnings | 10 | 4 | 60% | 10 | 90% | 46 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 3, 4:15 AM EST | Lake Effect Snow Advisory | BUF | 25 hr |
| Jan 3, 3:42 PM EST | Wind Advisory | BUF | 26 hr |
| Jan 8, 3:57 PM EST | Wind Advisory | BUF | 28 hr |
| Jan 14, 2:50 AM EST | Special Weather Statement | BUF | 70 min |
| Jan 18, 11:18 AM EST | Wind Advisory | BUF | 25 hr |
| Jan 19, 12:38 PM EST | High Wind Warning | BUF | 27 hr |
| Jan 19, 3:47 PM EST | Lake Effect Snow Advisory | BUF | 37 hr |
| Jan 20, 3:45 PM EST | Wind Advisory | BUF | 3 hr |
| Jan 21, 4:55 AM EST | Lake Effect Snow Warning | BUF | 67 hr |
| Jan 22, 4:02 AM EST | Wind Chill Warning | BUF | 29 hr |
| Jan 23, 3:46 PM EST | Wind Chill Advisory | BUF | 20 hr |
| Jan 24, 3:32 PM EST | Wind Chill Advisory | BUF | 12 hr |
| Jan 27, 3:24 PM EST | Winter Weather Advisory | BUF | 37 hr |
| Jan 28, 11:55 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Jan 29, 12:24 PM EST | Winter Weather Advisory | BUF | 8 hr |
| Jan 29, 4:06 PM EST | Wind Advisory | BUF | 48 hr |
| Jan 29, 4:08 PM EST | Lake Effect Snow Watch | BUF | 21 hr |
| Jan 30, 4:27 AM EST | Flood Watch | BUF | 27 hr |
| Jan 30, 12:47 PM EST | High Wind Warning | BUF | 27 hr |
| Jan 30, 12:48 PM EST | Lake Effect Snow Warning | BUF | 3 days |
| Jan 30, 12:48 PM EST | Lake Effect Snow Advisory | BUF | 16 hr |
| Jan 31, 4:05 PM EST | Lake Effect Snow Watch | BUF | 24 hr |
| Feb 2, 10:55 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 6, 3:51 PM EST | Winter Storm Watch | BUF | 19 hr |
| Feb 7, 3:54 AM EST | Winter Storm Warning | BUF | 48 hr |
| Feb 10, 12:36 PM EST | Winter Weather Advisory | BUF | 21 hr |
| Feb 11, 12:48 PM EST | Lake Effect Snow Advisory | BUF | 21 hr |
| Feb 18, 3:45 PM EST | Lake Effect Snow Watch | BUF | 13 hr |
| Feb 19, 4:37 AM EST | Lake Effect Snow Warning | BUF | 47 hr |
| Feb 19, 7:44 AM EST | Winter Weather Advisory | BUF | 8 hr |
| Feb 20, 9:36 PM EST | Winter Weather Advisory | BUF | 6 hr |
| Feb 26, 1:43 PM EST | Winter Weather Advisory | BUF | 23 hr |
| Mar 17, 4:03 AM EDT | Winter Weather Advisory | BUF | 54 hr |
| Mar 18, 3:52 AM EDT | Lake Effect Snow Watch | BUF | 25 hr |
| Mar 18, 3:55 AM EDT | Wind Advisory | BUF | 24 hr |
| Mar 18, 4:09 PM EDT | Winter Storm Warning | BUF | 28 hr |
| Mar 19, 4:33 AM EDT | Lake Effect Snow Warning | BUF | 3 days |
| Apr 7, 3:30 AM EDT | Wind Advisory | BUF | 12 hr |
| Apr 10, 12:35 PM EDT | Winter Weather Advisory | BUF | 51 hr |
| Apr 18, 3:59 AM EDT | Wind Advisory | BUF | 43 hr |
| May 21, 1:27 AM EDT | Severe Thunderstorm Warning | BUF | 48 min |
| May 21, 1:49 AM EDT | Severe Thunderstorm Warning | BUF | 41 min |
| May 21, 1:40 PM EDT | Severe Thunderstorm Watch | SPC | 10 hr |
| May 21, 5:34 PM EDT | Severe Thunderstorm Warning | BUF | 56 min |
| May 22, 2:46 PM EDT | Mesoscale Discussion | SPC | 119 min |
| May 22, 3:41 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 22, 9:33 PM EDT | Severe Thunderstorm Warning | BUF | 57 min |
| May 23, 12:28 PM EDT | Special Weather Statement | BUF | 62 min |
| May 23, 12:56 PM EDT | Severe Thunderstorm Warning | BUF | 64 min |
| May 26, 7:32 AM EDT | Frost Advisory | BUF | 24 hr |
| Jun 1, 5:50 PM EDT | Severe Thunderstorm Warning | BUF | 55 min |
| Jun 1, 7:18 PM EDT | Severe Thunderstorm Warning | BUF | 57 min |
| Jun 17, 4:57 PM EDT | Special Weather Statement | BUF | 63 min |
| Jun 25, 12:22 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 25, 7:31 PM EDT | Special Weather Statement | BUF | 59 min |
| Jun 25, 8:41 PM EDT | Special Weather Statement | BUF | 34 min |
| Jun 26, 4:13 PM EDT | Flood Watch | BUF | 54 hr |
| Jul 9, 3:32 PM EDT | Flash Flood Watch | BUF | 10 hr |
| Jul 17, 1:52 PM EDT | Mesoscale Discussion | SPC | 53 min |
| Jul 17, 2:29 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 17, 6:44 PM EDT | Special Weather Statement | BUF | 61 min |
| Jul 17, 8:28 PM EDT | Mesoscale Discussion | SPC | 62 min |
| Jul 18, 4:23 PM EDT | Special Weather Statement | BUF | 67 min |
| Jul 19, 7:52 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jul 19, 8:03 PM EDT | Severe Thunderstorm Warning | BUF | 57 min |
| Jul 19, 8:58 PM EDT | Severe Thunderstorm Warning | BUF | 32 min |
| Aug 8, 12:46 AM EDT | Special Weather Statement | BUF | 59 min |
| Aug 13, 8:44 AM EDT | Special Weather Statement | BUF | 91 min |
| Aug 13, 9:29 AM EDT | Areal Flood Advisory | BUF | 3 hr |
| Aug 13, 3:59 PM EDT | Special Weather Statement | BUF | 61 min |
| Aug 13, 4:04 PM EDT | Severe Thunderstorm Warning | BUF | 41 min |
| Aug 22, 1:03 PM EDT | Special Weather Statement | BUF | 72 min |
| Aug 22, 2:03 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 2, 12:33 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Sep 2, 3:18 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Sep 2, 4:25 PM EDT | Severe Thunderstorm Warning | BUF | 65 min |
| Sep 2, 4:39 PM EDT | Severe Thunderstorm Warning | BUF | 51 min |
| Sep 4, 4:25 PM EDT | Frost Advisory | BUF | 39 hr |
| Sep 10, 6:53 AM EDT | Special Weather Statement | BUF | 67 min |
| Sep 11, 12:33 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Sep 12, 2:26 AM EDT | Special Weather Statement | BUF | 64 min |
| Sep 16, 4:19 AM EDT | Freeze Warning | BUF | 28 hr |
| Sep 23, 3:48 AM EDT | Frost Advisory | BUF | 29 hr |
| Sep 24, 1:31 PM EDT | Frost Advisory | BUF | 17 hr |
| Oct 7, 4:40 AM EDT | Wind Advisory | BUF | 6 hr |
| Oct 7, 10:30 AM EDT | Special Weather Statement | BUF | 60 min |
| Oct 8, 7:19 PM EDT | Frost Advisory | BUF | 13 hr |
| Oct 30, 4:50 AM EDT | High Wind Watch | BUF | 30 hr |
| Oct 31, 4:51 AM EDT | High Wind Warning | BUF | 38 hr |
| Nov 9, 12:35 PM EST | Wind Advisory | BUF | 29 hr |
| Nov 16, 3:05 PM EST | High Wind Watch | BUF | 21 hr |
| Nov 16, 3:05 PM EST | High Wind Warning | BUF | 43 hr |
| Nov 18, 1:15 AM EST | Special Weather Statement | BUF | 60 min |
| Nov 18, 9:41 AM EST | Wind Advisory | BUF | 6 hr |
| Nov 22, 3:32 PM EST | Lake Effect Snow Advisory | BUF | 60 hr |
| Nov 22, 3:32 PM EST | Winter Weather Advisory | BUF | 12 hr |
| Nov 24, 10:16 PM EST | Winter Storm Watch | BUF | 29 hr |
| Nov 25, 3:39 PM EST | Winter Storm Warning | BUF | 45 hr |
| Dec 8, 4:35 AM EST | Winter Weather Advisory | BUF | 32 hr |
| Dec 8, 12:52 PM EST | Lake Effect Snow Watch | BUF | 26 hr |
| Dec 9, 3:02 PM EST | Lake Effect Snow Warning | BUF | 4 days |
| Dec 11, 4:00 PM EST | Lake Effect Snow Watch | BUF | 8 hr |
| Dec 12, 3:51 PM EST | Winter Weather Advisory | BUF | 60 hr |
| Dec 14, 3:29 AM EST | Winter Storm Warning | BUF | 28 hr |
| Dec 14, 8:16 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Dec 15, 4:06 AM EST | Lake Effect Snow Advisory | BUF | 36 hr |
| Dec 15, 5:26 PM EST | Lake Effect Snow Warning | BUF | 10 hr |
| Dec 16, 9:33 PM EST | Wind Chill Advisory | BUF | 9 hr |
| Dec 17, 3:28 AM EST | Lake Effect Snow Warning | BUF | 41 hr |
| Dec 19, 12:49 PM EST | Flood Watch | BUF | 3 days |
| Dec 19, 12:54 PM EST | Winter Storm Watch | BUF | 15 hr |
| Dec 20, 3:47 AM EST | Ice Storm Warning | BUF | 63 hr |
| Dec 22, 4:55 AM EST | Mesoscale Discussion | SPC | 2 hr |
| Dec 25, 12:40 PM EST | Lake Effect Snow Watch | BUF | 15 hr |
| Dec 26, 3:30 AM EST | Lake Effect Snow Warning | BUF | 36 hr |
| Dec 30, 3:53 AM EST | Lake Effect Snow Advisory | BUF | 52 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 archive20122014
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.