Alert archive / Wisconsin / Manitowoc County
Weather alerts in Manitowoc County, Wisconsin, 2013
82 weather alerts in 2013, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Manitowoc County and its neighbors
Each county as a circle sized by its count in 2013. Tap one for its archive.
- Alerts
- 82
- Warnings
- 15
- Watches
- 11
- Advisories
- 39
- Busiest month
- August14 alerts
- Busiest day
- June 17, 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.
0 of 2 tornado warnings covering Manitowoc County in 2013 had a tornado report inside them.
Manitowoc County, 2013
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 2 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 8 | 5 | 38% | 9 | 89% | 20 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 Green Bay, WI: tornado warnings | 7 | 1 | 86% | 9 | 22% | 9 min |
| NWS Green Bay, WI: severe thunderstorm warnings | 66 | 36 | 45% | 125 | 72% | 19 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 10, 2:45 PM CST | Dense Fog Advisory | GRB | 13 hr |
| Jan 11, 3:48 AM CST | Dense Fog Advisory | GRB | 20 hr |
| Jan 19, 4:27 AM CST | Wind Advisory | GRB | 23 hr |
| Jan 20, 2:50 PM CST | Wind Chill Advisory | GRB | 45 hr |
| Jan 24, 4:10 AM CST | Winter Weather Advisory | GRB | 32 hr |
| Jan 26, 2:41 PM CST | Winter Weather Advisory | GRB | 40 hr |
| Jan 28, 3:12 PM CST | Freezing Rain Advisory | GRB | 18 hr |
| Jan 29, 4:18 AM CST | Winter Storm Watch | GRB | 11 hr |
| Jan 29, 8:54 AM CST | Dense Fog Advisory | GRB | 6 hr |
| Jan 29, 3:10 PM CST | Winter Storm Warning | GRB | 29 hr |
| Jan 30, 9:11 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Jan 31, 3:52 AM CST | Wind Chill Advisory | GRB | 32 hr |
| Feb 6, 4:09 AM CST | Winter Weather Advisory | GRB | 48 hr |
| Feb 9, 4:31 AM CST | Freezing Fog Advisory | GRB | 5 hr |
| Feb 9, 2:31 PM CST | Winter Weather Advisory | GRB | 43 hr |
| Feb 21, 4:51 AM CST | Winter Weather Advisory | GRB | 40 hr |
| Feb 26, 3:02 PM CST | Winter Weather Advisory | GRB | 20 hr |
| Feb 26, 5:46 PM CST | Winter Storm Warning | GRB | 17 hr |
| Feb 27, 10:51 AM CST | Winter Weather Advisory | GRB | 13 hr |
| Mar 9, 3:24 PM CST | Winter Storm Watch | GRB | 12 hr |
| Mar 17, 3:02 PM CDT | Winter Weather Advisory | GRB | 43 hr |
| Apr 8, 3:32 PM CDT | Flood Watch | GRB | 46 hr |
| Apr 9, 6:32 PM CDT | River Flood Warning | GRB | 6 days |
| Apr 10, 12:30 AM CDT | Winter Weather Advisory | GRB | 10 hr |
| Apr 10, 2:24 AM CDT | Mesoscale Discussion | SPC | 5 hr |
| Apr 10, 2:54 PM CDT | Winter Weather Advisory | GRB | 43 hr |
| Apr 10, 9:55 PM CDT | Winter Weather Advisory | GRB | 36 hr |
| Apr 15, 4:39 PM CDT | River Flood Advisory | GRB | 18 hr |
| Apr 16, 2:54 PM CDT | Flood Watch | GRB | 44 hr |
| May 11, 3:46 AM CDT | Freeze Watch | GRB | 23 hr |
| May 12, 3:07 AM CDT | Frost Advisory | GRB | 12 hr |
| May 12, 3:07 AM CDT | Freeze Warning | GRB | 28 hr |
| May 23, 3:53 AM CDT | Frost Advisory | GRB | 27 hr |
| May 30, 6:40 PM CDT | Tornado Watch | SPC | 3 hr |
| May 30, 9:14 PM CDT | Mesoscale Discussion | SPC | 61 min |
| Jun 17, 1:03 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Jun 17, 3:20 PM CDT | Tornado Warning | GRB | 25 min |
| Jun 17, 3:44 PM CDT | Severe Thunderstorm Warning | GRB | 61 min |
| Jun 17, 5:03 PM CDT | Severe Thunderstorm Warning | GRB | 42 min |
| Jun 21, 8:07 AM CDT | Mesoscale Discussion | SPC | 53 min |
| Jun 23, 2:26 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Jun 27, 12:42 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 27, 5:48 PM CDT | Severe Thunderstorm Warning | GRB | 27 min |
| Jun 27, 6:12 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 16, 3:19 PM CDT | Heat Advisory | GRB | 3 days |
| Jul 17, 1:26 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 25, 5:54 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 26, 11:26 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 26, 7:24 PM CDT | Severe Thunderstorm Warning | GRB | 66 min |
| Aug 6, 10:11 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 6, 10:45 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 7, 12:51 AM CDT | Severe Thunderstorm Warning | GRB | 39 min |
| Aug 7, 1:05 AM CDT | Tornado Warning | GRB | 25 min |
| Aug 11, 9:34 PM CDT | Dense Fog Advisory | GRB | 11 hr |
| Aug 21, 2:26 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 21, 6:10 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Aug 21, 7:26 PM CDT | Severe Thunderstorm Warning | GRB | 64 min |
| Aug 21, 8:14 PM CDT | Mesoscale Discussion | SPC | 61 min |
| Aug 21, 8:28 PM CDT | Severe Thunderstorm Warning | GRB | 32 min |
| Aug 27, 4:03 AM CDT | Mesoscale Discussion | SPC | 117 min |
| Aug 27, 2:15 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 27, 7:22 PM CDT | Severe Thunderstorm Warning | GRB | 38 min |
| Aug 29, 8:20 PM CDT | Tornado Watch | SPC | 5 hr |
| Sep 10, 5:00 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Sep 26, 3:22 AM CDT | Dense Fog Advisory | GRB | 7 hr |
| Sep 26, 9:13 PM CDT | Dense Fog Advisory | GRB | 10 hr |
| Oct 10, 8:49 PM CDT | Dense Fog Advisory | GRB | 7 hr |
| Oct 13, 2:47 PM CDT | Frost Advisory | GRB | 17 hr |
| Oct 16, 3:44 AM CDT | Frost Advisory | GRB | 25 hr |
| Oct 30, 11:52 PM CDT | Dense Fog Advisory | GRB | 12 hr |
| Nov 17, 3:49 AM CST | Wind Advisory | GRB | 32 hr |
| Dec 4, 2:34 PM CST | Dense Fog Advisory | GRB | 6 hr |
| Dec 7, 2:23 PM CST | Winter Weather Advisory | GRB | 40 hr |
| Dec 10, 3:49 AM CST | Wind Chill Advisory | GRB | 51 hr |
| Dec 13, 3:50 AM CST | Lake Effect Snow Watch | GRB | 11 hr |
| Dec 13, 3:50 AM CST | Lake Effect Snow Advisory | GRB | 41 hr |
| Dec 19, 8:52 PM CST | Winter Weather Advisory | GRB | 15 hr |
| Dec 20, 11:10 AM CST | Winter Storm Watch | GRB | 18 hr |
| Dec 21, 4:43 AM CST | Winter Storm Warning | GRB | 33 hr |
| Dec 24, 11:10 AM CST | Winter Weather Advisory | GRB | 18 hr |
| Dec 29, 3:42 AM CST | Wind Chill Advisory | GRB | 32 hr |
| Dec 30, 3:07 PM CST | Wind Chill Advisory | GRB | 21 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.