Alert archive / Wisconsin / Shawano County
Weather alerts in Shawano County, Wisconsin, 2015
89 weather alerts in 2015, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Shawano County and its neighbors
Each county as a circle sized by its count in 2015. Tap one for its archive.
- Alerts
- 89
- Warnings
- 19
- Watches
- 7
- Advisories
- 28
- Busiest month
- August18 alerts
- Busiest day
- August 2, 201512 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
1 of 3 tornado warnings covering Shawano County in 2015 had a tornado report inside them; 3 of 4 tornado reports fell inside a warning, on average 7 minutes after it went out.
Shawano County, 2015
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 3 | 1 | 67% | 4 | 75% | 7 min |
| Severe thunderstorm warnings | 11 | 9 | 18% | 2 | 100% | 9 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2015
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Green Bay, WI: tornado warnings | 5 | 2 | 60% | 10 | 50% | 6 min |
| NWS Green Bay, WI: severe thunderstorm warnings | 66 | 33 | 50% | 101 | 80% | 25 min |
| NWS Green Bay, WI: flash flood warnings | 3 | 0 | 100% | 1 | 0% |
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 3, 2:55 PM CST | Winter Weather Advisory | GRB | 24 hr |
| Jan 4, 3:52 AM CST | Wind Chill Warning | GRB | 32 hr |
| Jan 4, 3:52 AM CST | Wind Chill Advisory | GRB | 56 hr |
| Jan 5, 2:55 PM CST | Wind Chill Advisory | GRB | 21 hr |
| Jan 6, 11:49 AM CST | Wind Chill Warning | GRB | 23 hr |
| Jan 6, 11:49 AM CST | Wind Chill Advisory | GRB | 48 hr |
| Jan 7, 2:36 PM CST | Winter Weather Advisory | GRB | 39 hr |
| Jan 8, 2:41 PM CST | Wind Chill Advisory | GRB | 43 hr |
| Jan 28, 9:19 PM CST | Freezing Rain Advisory | GRB | 10 hr |
| Feb 13, 2:47 PM CST | Wind Chill Advisory | GRB | 43 hr |
| Feb 18, 11:59 AM CST | Wind Chill Advisory | GRB | 24 hr |
| Feb 22, 3:29 AM CST | Wind Chill Advisory | GRB | 31 hr |
| Mar 2, 4:32 AM CST | Winter Weather Advisory | GRB | 34 hr |
| Mar 24, 4:22 AM CDT | Winter Weather Advisory | GRB | 30 hr |
| May 12, 2:23 PM CDT | Frost Advisory | GRB | 17 hr |
| May 17, 2:20 PM CDT | Mesoscale Discussion | SPC | 115 min |
| May 17, 3:32 PM CDT | Tornado Warning | GRB | 28 min |
| May 19, 2:48 AM CDT | Frost Advisory | GRB | 29 hr |
| May 25, 6:54 PM CDT | Special Weather Statement | GRB | 36 min |
| May 25, 7:32 PM CDT | Special Weather Statement | GRB | 28 min |
| May 26, 11:22 AM CDT | Mesoscale Discussion | SPC | 113 min |
| May 27, 8:10 PM CDT | Special Weather Statement | GRB | 80 min |
| May 29, 6:45 PM CDT | Special Weather Statement | GRB | 45 min |
| Jun 8, 3:02 PM CDT | Special Weather Statement | GRB | 43 min |
| Jun 8, 3:47 PM CDT | Special Weather Statement | GRB | 43 min |
| Jun 10, 3:02 PM CDT | Flash Flood Watch | GRB | 22 hr |
| Jun 14, 3:58 AM CDT | Dense Fog Advisory | GRB | 6 hr |
| Jun 15, 2:46 PM CDT | Special Weather Statement | GRB | 44 min |
| Jun 22, 9:57 AM CDT | Wind Advisory | GRB | 5 hr |
| Jun 22, 7:52 PM CDT | Special Weather Statement | GRB | 83 min |
| Jun 29, 4:43 PM CDT | Special Weather Statement | GRB | 32 min |
| Jun 29, 5:03 PM CDT | Special Weather Statement | GRB | 42 min |
| Jun 29, 5:48 PM CDT | Special Weather Statement | GRB | 42 min |
| Jul 6, 9:31 AM CDT | Special Weather Statement | GRB | 59 min |
| Jul 6, 4:23 PM CDT | Special Weather Statement | GRB | 22 min |
| Jul 6, 4:44 PM CDT | Special Weather Statement | GRB | 31 min |
| Jul 6, 5:02 PM CDT | Tornado Warning | GRB | 28 min |
| Jul 6, 5:28 PM CDT | Tornado Warning | GRB | 32 min |
| Jul 13, 3:06 AM CDT | Severe Thunderstorm Warning | GRB | 54 min |
| Jul 13, 3:11 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 13, 5:42 PM CDT | Severe Thunderstorm Warning | GRB | 33 min |
| Jul 13, 6:09 PM CDT | Mesoscale Discussion | SPC | 66 min |
| Jul 13, 6:11 PM CDT | Severe Thunderstorm Warning | GRB | 27 min |
| Jul 18, 3:06 AM CDT | Mesoscale Discussion | SPC | 84 min |
| Jul 18, 3:56 AM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jul 18, 4:15 AM CDT | Severe Thunderstorm Warning | GRB | 60 min |
| Jul 18, 5:47 AM CDT | Severe Thunderstorm Warning | GRB | 58 min |
| Aug 2, 12:55 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 2, 2:17 AM CDT | Special Weather Statement | GRB | 43 min |
| Aug 2, 4:21 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 2, 7:51 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 2, 9:06 AM CDT | Special Weather Statement | GRB | 24 min |
| Aug 2, 9:35 AM CDT | Special Weather Statement | GRB | 40 min |
| Aug 2, 12:09 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 2, 2:59 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 2, 3:02 PM CDT | Severe Thunderstorm Warning | GRB | 58 min |
| Aug 2, 3:28 PM CDT | Severe Thunderstorm Warning | GRB | 62 min |
| Aug 2, 4:13 PM CDT | Severe Thunderstorm Warning | GRB | 32 min |
| Aug 2, 4:50 PM CDT | Severe Thunderstorm Warning | GRB | 25 min |
| Aug 13, 2:24 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 14, 12:02 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Aug 14, 3:09 PM CDT | Mesoscale Discussion | SPC | 66 min |
| Aug 14, 4:11 PM CDT | Severe Thunderstorm Warning | GRB | 64 min |
| Aug 17, 1:38 PM CDT | Special Weather Statement | GRB | 67 min |
| Aug 30, 3:33 AM CDT | Dense Fog Advisory | GRB | 5 hr |
| Sep 2, 2:00 PM CDT | Special Weather Statement | GRB | 45 min |
| Sep 2, 2:02 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Sep 2, 2:09 PM CDT | Severe Thunderstorm Warning | GRB | 36 min |
| Sep 2, 3:13 PM CDT | Special Weather Statement | GRB | 62 min |
| Sep 2, 11:54 PM CDT | Areal Flood Advisory | GRB | 4 hr |
| Sep 6, 5:12 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 8, 4:00 AM CDT | Flash Flood Watch | GRB | 8 hr |
| Sep 8, 8:40 AM CDT | Areal Flood Advisory | GRB | 20 min |
| Sep 8, 9:00 AM CDT | Areal Flood Advisory | GRB | 3 hr |
| Sep 29, 10:11 AM CDT | Frost Advisory | GRB | 22 hr |
| Sep 30, 2:48 PM CDT | Frost Advisory | GRB | 17 hr |
| Oct 1, 2:46 PM CDT | Frost Advisory | GRB | 17 hr |
| Oct 2, 3:01 PM CDT | Frost Advisory | GRB | 17 hr |
| Nov 11, 8:02 PM CST | Special Weather Statement | GRB | 88 min |
| Nov 19, 8:43 AM CST | Wind Advisory | GRB | 10 hr |
| Nov 26, 4:24 AM CST | Winter Weather Advisory | GRB | 22 hr |
| Nov 30, 5:14 AM CST | Winter Weather Advisory | GRB | 4 hr |
| Dec 13, 3:35 AM CST | Flood Watch | GRB | 35 hr |
| Dec 15, 9:52 AM CST | River Flood Warning | GRB | 33 hr |
| Dec 17, 10:22 AM CST | River Flood Warning | GRB | 8 days |
| Dec 23, 3:56 AM CST | Wind Advisory | GRB | 29 hr |
| Dec 27, 3:31 AM CST | Winter Storm Watch | GRB | 12 hr |
| Dec 27, 3:10 PM CST | Winter Storm Warning | GRB | 39 hr |
| Dec 28, 6:00 PM CST | Mesoscale Discussion | SPC | 5 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 | 3 |
| Severe Thunderstorm Watch | 3 |
| Mesoscale Discussion | 14 |
| Special Weather Statement | 21 |
| Flooding | |
| River Flood Warning | 2 |
| Flash Flood Watch | 2 |
| Flood Watch | 1 |
| Areal Flood Advisory | 3 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Freezing Rain Advisory | 1 |
| Winter Weather Advisory | 6 |
| Cold | |
| Wind Chill Warning | 2 |
| Frost Advisory | 6 |
| Wind Chill Advisory | 7 |
| Wind and dust | |
| Wind Advisory | 3 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20142016
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.