Alert archive / Wisconsin / Vilas County
Weather alerts in Vilas County, Wisconsin, 2011
82 weather alerts in 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Vilas County and its neighbors
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Alerts
- 82
- Warnings
- 16
- Watches
- 15
- Advisories
- 32
- Busiest month
- July16 alerts
- Busiest day
- July 18, 20117 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 1 tornado warnings covering Vilas County in 2011 had a tornado report inside them.
Vilas County, 2011
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 11 | 4 | 64% | 3 | 100% | 30 min |
| Flash flood warnings | 1 | 1 | 0% | 1 | 100% | 25 min |
Each office's whole area, 2011
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Green Bay, WI: tornado warnings | 25 | 13 | 48% | 20 | 90% | 17 min |
| NWS Green Bay, WI: severe thunderstorm warnings | 127 | 71 | 44% | 227 | 71% | 25 min |
| NWS Green Bay, WI: flash flood warnings | 3 | 2 | 33% | 7 | 100% | 65 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, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 5, 3:15 PM CST | Lake Effect Snow Advisory | GRB | 28 hr |
| Jan 20, 3:35 AM CST | Wind Chill Advisory | GRB | 31 hr |
| Jan 28, 4:01 AM CST | Winter Weather Advisory | GRB | 23 hr |
| Feb 2, 2:45 PM CST | Wind Chill Advisory | GRB | 19 hr |
| Feb 7, 3:18 PM CST | Wind Chill Advisory | GRB | 19 hr |
| Feb 8, 3:30 PM CST | Wind Chill Advisory | GRB | 20 hr |
| Feb 9, 2:48 PM CST | Wind Chill Advisory | GRB | 19 hr |
| Feb 16, 2:36 PM CST | Dense Fog Advisory | GRB | 24 hr |
| Feb 17, 3:08 PM CST | Wind Advisory | GRB | 39 hr |
| Feb 18, 3:08 PM CST | Winter Storm Watch | GRB | 23 hr |
| Feb 19, 2:08 PM CST | Winter Weather Advisory | GRB | 39 hr |
| Mar 8, 3:26 PM CST | Winter Weather Advisory | GRB | 27 hr |
| Mar 20, 3:01 PM CDT | Winter Storm Watch | GRB | 37 hr |
| Mar 22, 4:16 AM CDT | Winter Storm Warning | GRB | 39 hr |
| Mar 22, 3:49 PM CDT | Mesoscale Discussion | SPC | 5 hr |
| Apr 3, 4:11 AM CDT | Winter Weather Advisory | GRB | 9 hr |
| Apr 9, 11:36 PM CDT | Severe Thunderstorm Warning | GRB | 39 min |
| Apr 10, 3:19 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 10, 6:02 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Apr 15, 4:42 AM CDT | Winter Weather Advisory | GRB | 35 hr |
| Apr 18, 4:12 AM CDT | Winter Storm Watch | GRB | 18 hr |
| Apr 18, 9:53 PM CDT | Winter Weather Advisory | GRB | 26 hr |
| May 11, 1:43 AM CDT | Severe Thunderstorm Warning | GRB | 47 min |
| May 11, 2:10 AM CDT | Severe Thunderstorm Warning | GRB | 50 min |
| May 22, 2:04 PM CDT | Tornado Watch | SPC | 9 hr |
| May 22, 6:35 PM CDT | Tornado Warning | GRB | 55 min |
| May 22, 7:42 PM CDT | Mesoscale Discussion | SPC | 63 min |
| May 26, 4:00 AM CDT | Frost Advisory | GRB | 27 hr |
| May 26, 2:28 PM CDT | Freeze Warning | GRB | 16 hr |
| May 30, 2:10 PM CDT | Mesoscale Discussion | SPC | 95 min |
| May 31, 12:00 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 1, 3:09 AM CDT | Wind Advisory | GRB | 13 hr |
| Jun 3, 3:33 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Jun 3, 5:10 PM CDT | Tornado Watch | SPC | 7 hr |
| Jun 3, 10:49 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 6, 2:02 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Jun 7, 1:32 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 27, 3:44 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Jul 1, 8:07 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 1, 10:04 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Jul 1, 11:38 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Jul 16, 3:13 PM CDT | Heat Advisory | GRB | 52 hr |
| Jul 17, 6:11 PM CDT | Severe Thunderstorm Warning | GRB | 64 min |
| Jul 17, 6:11 PM CDT | Mesoscale Discussion | SPC | 64 min |
| Jul 17, 7:05 PM CDT | Flash Flood Warning | GRB | 3 hr |
| Jul 17, 7:15 PM CDT | Severe Thunderstorm Warning | GRB | 54 min |
| Jul 17, 7:22 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jul 17, 9:24 PM CDT | Mesoscale Discussion | SPC | 66 min |
| Jul 18, 2:06 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Jul 18, 2:26 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 18, 2:27 PM CDT | Severe Thunderstorm Warning | GRB | 32 min |
| Jul 19, 3:02 PM CDT | Heat Advisory | GRB | 29 hr |
| Jul 30, 11:28 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 30, 1:04 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 2, 2:20 AM CDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Aug 2, 4:17 AM CDT | Severe Thunderstorm Warning | GRB | 58 min |
| Aug 2, 11:09 AM CDT | Severe Thunderstorm Warning | GRB | 51 min |
| Aug 19, 1:35 PM CDT | Severe Thunderstorm Warning | GRB | 40 min |
| Aug 19, 1:51 PM CDT | Mesoscale Discussion | SPC | 54 min |
| Aug 19, 2:07 PM CDT | Severe Thunderstorm Warning | GRB | 38 min |
| Aug 19, 2:43 PM CDT | Severe Thunderstorm Warning | GRB | 27 min |
| Sep 5, 3:21 AM CDT | Frost Advisory | GRB | 29 hr |
| Sep 6, 2:15 PM CDT | Frost Advisory | GRB | 17 hr |
| Sep 12, 1:15 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 12, 5:31 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Sep 12, 7:09 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Sep 14, 4:43 AM CDT | Frost Advisory | GRB | 27 hr |
| Sep 15, 11:33 AM CDT | Freeze Warning | GRB | 20 hr |
| Sep 16, 2:35 PM CDT | Frost Advisory | GRB | 17 hr |
| Sep 27, 10:17 PM CDT | Dense Fog Advisory | GRB | 9 hr |
| Sep 28, 2:27 PM CDT | Wind Advisory | GRB | 34 hr |
| Oct 12, 1:50 AM CDT | Dense Fog Advisory | GRB | 8 hr |
| Nov 7, 3:01 PM CST | Winter Storm Watch | GRB | 25 hr |
| Nov 8, 3:31 PM CST | Winter Weather Advisory | GRB | 27 hr |
| Nov 18, 3:00 PM CST | Winter Weather Advisory | GRB | 33 hr |
| Nov 19, 1:05 PM CST | Mesoscale Discussion | SPC | 4 hr |
| Dec 2, 3:10 PM CST | Winter Storm Watch | GRB | 13 hr |
| Dec 3, 3:58 AM CST | Winter Weather Advisory | GRB | 24 hr |
| Dec 11, 2:54 PM CST | Freezing Rain Advisory | GRB | 19 hr |
| Dec 12, 8:23 PM CST | Freezing Rain Advisory | GRB | 7 hr |
| Dec 13, 3:48 AM CST | Dense Fog Advisory | GRB | 5 hr |
| Dec 14, 3:07 PM CST | Dense Fog Advisory | GRB | 8 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 | 11 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 7 |
| Tornado Watch | 3 |
| Mesoscale Discussion | 19 |
| Flooding | |
| Flash Flood Warning | 1 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 5 |
| Freezing Rain Advisory | 2 |
| Lake Effect Snow Advisory | 1 |
| Winter Weather Advisory | 9 |
| Heat | |
| Heat Advisory | 2 |
| Cold | |
| Freeze Warning | 2 |
| Frost Advisory | 5 |
| Wind Chill Advisory | 5 |
| Wind and dust | |
| Wind Advisory | 3 |
| Fog and smoke | |
| Dense Fog Advisory | 5 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20102012
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.