Alert archive / Wisconsin / Kewaunee County
Weather alerts in Kewaunee 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.
Kewaunee 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
- 19
- Advisories
- 29
- Busiest month
- April13 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.
Kewaunee County, 2011
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 9 | 7 | 22% | 7 | 86% | 11 min |
| Flash flood warnings | 0 | 0 |
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 11, 4:01 AM CST | Winter Weather Advisory | GRB | 15 hr |
| Jan 16, 3:34 PM CST | Winter Weather Advisory | GRB | 29 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 |
| Jan 31, 10:03 AM CST | Lake Effect Snow Watch | GRB | 4 hr |
| Jan 31, 2:28 PM CST | Lake Effect Snow Warning | GRB | 10 hr |
| Jan 31, 2:28 PM CST | Lake Effect Snow Advisory | GRB | 5 hr |
| Feb 1, 12:54 AM CST | Winter Storm Warning | GRB | 20 hr |
| Feb 1, 2:50 PM CST | Blizzard Warning | GRB | 18 hr |
| Feb 2, 2:45 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 Storm Warning | GRB | 39 hr |
| Feb 21, 4:41 AM CST | Winter Weather Advisory | GRB | 18 hr |
| Mar 7, 2:37 PM CST | Winter Storm Watch | GRB | 25 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 7, 3:09 PM CDT | Dense Fog Advisory | GRB | 10 hr |
| Apr 8, 2:09 PM CDT | Flood Watch | GRB | 56 hr |
| Apr 9, 9:25 PM CDT | Dense Fog Advisory | GRB | 6 hr |
| Apr 10, 3:19 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 10, 4:26 PM CDT | Severe Thunderstorm Warning | GRB | 19 min |
| Apr 10, 6:02 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Apr 10, 8:55 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Apr 10, 9:19 PM CDT | Severe Thunderstorm Warning | GRB | 26 min |
| Apr 14, 3:30 PM CDT | Wind Advisory | GRB | 40 hr |
| Apr 18, 4:12 AM CDT | Winter Storm Watch | GRB | 18 hr |
| Apr 18, 9:53 PM CDT | Winter Storm Warning | GRB | 26 hr |
| Apr 19, 4:52 PM CDT | Mesoscale Discussion | SPC | 4 hr |
| Apr 30, 12:49 PM CDT | Wind Advisory | GRB | 5 hr |
| May 11, 3:19 AM CDT | Mesoscale Discussion | SPC | 56 min |
| May 11, 1:16 PM CDT | Mesoscale Discussion | SPC | 119 min |
| May 11, 3:38 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 12, 1:41 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 21, 3:55 AM CDT | Dense Fog Advisory | GRB | 3 hr |
| May 22, 2:04 PM CDT | Tornado Watch | SPC | 9 hr |
| May 22, 5:29 PM CDT | Severe Thunderstorm Warning | GRB | 61 min |
| May 31, 12:00 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| May 31, 12:56 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 1, 3:09 AM CDT | Wind Advisory | GRB | 13 hr |
| Jun 6, 7:00 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 8, 2:02 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 8, 11:08 AM CDT | Mesoscale Discussion | SPC | 97 min |
| Jun 8, 1:49 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Jun 8, 4:49 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 8, 8:52 PM CDT | Severe Thunderstorm Warning | GRB | 38 min |
| Jun 30, 4:26 AM CDT | Heat Advisory | GRB | 40 hr |
| Jul 11, 2:07 AM CDT | Mesoscale Discussion | SPC | 83 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 17, 10:12 PM CDT | Severe Thunderstorm Warning | GRB | 63 min |
| Jul 17, 11:06 PM CDT | Mesoscale Discussion | SPC | 54 min |
| Jul 18, 8:05 AM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jul 18, 9:40 AM CDT | Severe Thunderstorm Warning | GRB | 38 min |
| Jul 18, 2:26 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 19, 3:02 PM CDT | Heat Advisory | GRB | 29 hr |
| Jul 19, 5:43 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 30, 1:04 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 30, 2:56 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 31, 2:23 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 23, 5:19 PM CDT | Tornado Watch | SPC | 6 hr |
| Aug 23, 8:45 PM CDT | Mesoscale Discussion | SPC | 60 min |
| Sep 1, 3:40 AM CDT | Dense Fog Advisory | GRB | 3 hr |
| Sep 2, 7:50 AM CDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Sep 2, 9:41 AM CDT | Severe Thunderstorm Warning | GRB | 49 min |
| Sep 2, 10:08 AM CDT | Mesoscale Discussion | SPC | 97 min |
| Sep 2, 10:27 AM CDT | Severe Thunderstorm Warning | GRB | 19 min |
| Sep 2, 10:50 AM CDT | Severe Thunderstorm Warning | GRB | 16 min |
| Sep 15, 11:33 AM CDT | Frost Advisory | GRB | 20 hr |
| Sep 28, 2:27 PM CDT | Wind Advisory | GRB | 34 hr |
| Sep 29, 3:45 AM CDT | High Wind Warning | GRB | 27 hr |
| Oct 1, 11:59 AM CDT | Frost Advisory | GRB | 21 hr |
| Oct 19, 2:53 PM CDT | Wind Advisory | GRB | 24 hr |
| Nov 28, 2:46 PM CST | Wind Advisory | GRB | 27 hr |
| Dec 14, 3:07 PM CST | Dense Fog Advisory | GRB | 8 hr |
| Dec 15, 1:32 PM CST | Wind Advisory | GRB | 9 hr |
| Dec 29, 6:05 AM CST | Winter Weather Advisory | GRB | 4 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 | 9 |
| Severe Thunderstorm Watch | 10 |
| Tornado Watch | 3 |
| Mesoscale Discussion | 18 |
| Flooding | |
| Flood Watch | 1 |
| Winter | |
| Blizzard Warning | 1 |
| Lake Effect Snow Warning | 1 |
| Winter Storm Warning | 4 |
| Lake Effect Snow Watch | 1 |
| Winter Storm Watch | 4 |
| Lake Effect Snow Advisory | 1 |
| Winter Weather Advisory | 6 |
| Heat | |
| Heat Advisory | 2 |
| Cold | |
| Frost Advisory | 2 |
| Wind Chill Advisory | 4 |
| Wind and dust | |
| High Wind Warning | 1 |
| Wind Advisory | 8 |
| Fog and smoke | |
| Dense Fog Advisory | 6 |
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.