Alert archive / Wisconsin / Manitowoc County
Weather alerts in Manitowoc County, Wisconsin, 2008
113 weather alerts in 2008, 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 2008. Tap one for its archive.
- Alerts
- 113
- Warnings
- 28
- Watches
- 19
- Advisories
- 46
- Busiest month
- June23 alerts
- Busiest day
- June 12, 20087 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 Manitowoc County in 2008 had a tornado report inside them.
Manitowoc County, 2008
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 9 | 5 | 44% | 2 | 100% | 36 min |
| Flash flood warnings | 4 | 2 | 50% | 6 | 67% | 74 min |
Each office's whole area, 2008
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Green Bay, WI: tornado warnings | 9 | 2 | 78% | 5 | 40% | 13 min |
| NWS Green Bay, WI: severe thunderstorm warnings | 102 | 51 | 50% | 109 | 83% | 23 min |
| NWS Green Bay, WI: flash flood warnings | 8 | 5 | 38% | 22 | 68% | 57 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 6, 1:57 AM CST | Dense Fog Advisory | GRB | 34 hr |
| Jan 7, 3:26 PM CST | Dense Fog Advisory | GRB | 18 hr |
| Jan 10, 2:40 PM CST | Snow Advisory | GRB | 15 hr |
| Jan 15, 9:02 PM CST | Winter Storm Watch | GRB | 18 hr |
| Jan 16, 3:09 PM CST | Snow Advisory | GRB | 27 hr |
| Jan 18, 3:28 AM CST | Wind Chill Advisory | GRB | 57 hr |
| Jan 20, 3:31 PM CST | Snow Advisory | GRB | 38 hr |
| Jan 26, 9:56 AM CST | Snow Advisory | GRB | 2 hr |
| Jan 28, 5:19 AM CST | Winter Weather Advisory | GRB | 29 hr |
| Jan 28, 4:04 PM CST | Winter Storm Warning | GRB | 35 hr |
| Jan 30, 2:34 AM CST | Wind Chill Warning | GRB | 9 hr |
| Jan 30, 11:58 AM CST | Wind Chill Advisory | GRB | 9 hr |
| Jan 31, 9:00 PM CST | Snow Advisory | GRB | 10 hr |
| Feb 3, 4:07 PM CST | Winter Weather Advisory | GRB | 26 hr |
| Feb 3, 4:07 PM CST | Freezing Rain Advisory | GRB | 11 hr |
| Feb 4, 11:34 AM CST | Mesoscale Discussion | SPC | 4 hr |
| Feb 5, 3:49 AM CST | Snow Advisory | GRB | 11 hr |
| Feb 5, 2:23 PM CST | Snow and Blowing Snow Advisory | GRB | 22 hr |
| Feb 5, 2:23 PM CST | Winter Storm Warning | GRB | 13 hr |
| Feb 8, 4:32 AM CST | Wind Chill Watch | GRB | 24 hr |
| Feb 9, 4:10 AM CST | Wind Chill Warning | GRB | 32 hr |
| Feb 9, 4:10 AM CST | Wind Chill Advisory | GRB | 11 hr |
| Feb 9, 4:10 AM CST | Winter Weather Advisory | GRB | 19 hr |
| Feb 10, 11:53 AM CST | Wind Chill Advisory | GRB | 16 hr |
| Feb 12, 3:48 PM CST | Winter Storm Watch | GRB | 21 hr |
| Feb 13, 1:17 PM CST | Heavy Snow Warning | GRB | 29 hr |
| Feb 13, 1:17 PM CST | Snow Advisory | GRB | 8 hr |
| Feb 15, 4:33 AM CST | Winter Storm Watch | GRB | 34 hr |
| Feb 16, 2:09 PM CST | Winter Storm Warning | GRB | 31 hr |
| Feb 17, 12:13 PM CST | Mesoscale Discussion | SPC | 4 hr |
| Mar 2, 3:02 PM CST | Winter Weather Advisory | GRB | 18 hr |
| Mar 22, 4:33 PM CDT | River Flood Warning | GRB | 5 days |
| Mar 30, 5:13 AM CDT | Flood Watch | GRB | 34 hr |
| Apr 16, 7:22 AM CDT | Wind Advisory | GRB | 8 hr |
| Apr 21, 9:38 PM CDT | Dense Fog Advisory | GRB | 6 hr |
| Apr 25, 6:43 PM CDT | Mesoscale Discussion | SPC | 92 min |
| May 9, 3:21 PM CDT | Frost Advisory | GRB | 16 hr |
| May 17, 1:28 PM CDT | Mesoscale Discussion | SPC | 92 min |
| May 18, 3:03 AM CDT | Frost Advisory | GRB | 28 hr |
| May 25, 9:23 PM CDT | Mesoscale Discussion | SPC | 67 min |
| May 27, 3:07 PM CDT | Freeze Warning | GRB | 16 hr |
| Jun 5, 1:38 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 5, 3:13 AM CDT | Dense Fog Advisory | GRB | 5 hr |
| Jun 7, 12:17 PM CDT | Tornado Watch | SPC | 8 hr |
| Jun 7, 6:34 PM CDT | Mesoscale Discussion | SPC | 56 min |
| Jun 8, 9:55 AM CDT | Areal Flood Advisory | GRB | 3 hr |
| Jun 8, 3:09 PM CDT | Flash Flood Watch | GRB | 12 hr |
| Jun 8, 5:59 PM CDT | Areal Flood Advisory | GRB | 2 hr |
| Jun 11, 4:17 AM CDT | Flash Flood Watch | GRB | 32 hr |
| Jun 12, 4:51 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Jun 12, 5:02 PM CDT | Severe Thunderstorm Warning | GRB | 47 min |
| Jun 12, 5:42 PM CDT | Areal Flood Advisory | GRB | 3 hr |
| Jun 12, 6:30 PM CDT | Flash Flood Warning | GRB | 3 hr |
| Jun 12, 6:35 PM CDT | Tornado Warning | GRB | 40 min |
| Jun 12, 6:49 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Jun 12, 6:53 PM CDT | Severe Thunderstorm Warning | GRB | 51 min |
| Jun 12, 8:38 PM CDT | Flash Flood Warning | GRB | 4 hr |
| Jun 13, 12:13 AM CDT | Areal Flood Warning | GRB | 6 hr |
| Jun 13, 5:08 AM CDT | River Flood Warning | GRB | 16 hr |
| Jun 20, 5:05 PM CDT | Severe Thunderstorm Warning | GRB | 25 min |
| Jun 20, 5:30 PM CDT | Severe Thunderstorm Warning | GRB | 30 min |
| Jun 28, 10:44 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 28, 12:48 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 28, 3:23 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 2, 9:36 AM CDT | Severe Thunderstorm Warning | GRB | 24 min |
| Jul 2, 9:42 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 2, 10:09 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 2, 1:55 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Jul 7, 3:12 PM CDT | Flash Flood Watch | GRB | 6 hr |
| Jul 7, 3:14 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Jul 7, 3:56 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 7, 8:32 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Jul 16, 9:57 AM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 16, 1:30 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 16, 1:31 PM CDT | Severe Thunderstorm Warning | GRB | 59 min |
| Jul 16, 2:30 PM CDT | Severe Thunderstorm Warning | GRB | 60 min |
| Jul 16, 2:54 PM CDT | Flash Flood Warning | GRB | 111 min |
| Jul 16, 3:29 PM CDT | Severe Thunderstorm Warning | GRB | 52 min |
| Jul 16, 4:47 PM CDT | Flash Flood Warning | GRB | 81 min |
| Jul 17, 11:46 AM CDT | Flash Flood Watch | GRB | 6 hr |
| Jul 17, 12:14 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 19, 11:28 AM CDT | Dense Fog Advisory | GRB | 4 hr |
| Aug 1, 12:29 PM CDT | Mesoscale Discussion | SPC | 61 min |
| Aug 1, 12:53 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 1, 3:48 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Aug 6, 1:45 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Aug 6, 3:43 PM CDT | Severe Thunderstorm Warning | GRB | 37 min |
| Aug 16, 6:16 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 25, 10:58 PM CDT | Dense Fog Advisory | GRB | 8 hr |
| Oct 3, 5:49 AM CDT | Frost Advisory | GRB | 25 hr |
| Oct 25, 3:51 AM CDT | Wind Advisory | GRB | 40 hr |
| Nov 2, 8:37 PM CST | Dense Fog Advisory | GRB | 12 hr |
| Nov 29, 9:21 PM CST | Winter Weather Advisory | GRB | 8 hr |
| Nov 30, 5:20 AM CST | Winter Storm Warning | GRB | 26 hr |
| Dec 1, 7:10 AM CST | Winter Weather Advisory | GRB | 5 hr |
| Dec 2, 2:55 PM CST | Winter Weather Advisory | GRB | 24 hr |
| Dec 7, 10:01 AM CST | Winter Storm Watch | GRB | 19 hr |
| Dec 8, 5:09 AM CST | Winter Storm Warning | GRB | 32 hr |
| Dec 9, 1:15 PM CST | Winter Weather Advisory | GRB | 8 hr |
| Dec 14, 4:07 AM CST | Wind Chill Advisory | GRB | 50 hr |
| Dec 15, 3:47 PM CST | Winter Weather Advisory | GRB | 31 hr |
| Dec 17, 3:38 AM CST | Winter Storm Watch | GRB | 25 hr |
| Dec 18, 4:39 AM CST | Winter Storm Warning | GRB | 32 hr |
| Dec 19, 4:06 PM CST | Winter Weather Advisory | GRB | 60 hr |
| Dec 21, 3:48 PM CST | Wind Chill Advisory | GRB | 17 hr |
| Dec 22, 11:08 AM CST | Winter Weather Advisory | GRB | 28 hr |
| Dec 22, 3:12 PM CST | Winter Storm Watch | GRB | 24 hr |
| Dec 23, 2:57 PM CST | Winter Weather Advisory | GRB | 24 hr |
| Dec 25, 3:46 AM CST | Winter Weather Advisory | GRB | 34 hr |
| Dec 26, 3:35 PM CST | Dense Fog Advisory | GRB | 24 hr |
| Dec 27, 1:35 PM CST | Winter Weather Advisory | GRB | 19 hr |
| Dec 29, 3:55 PM CST | Winter Weather Advisory | GRB | 29 hr |
| Dec 30, 4:56 AM CST | Winter Storm Warning | GRB | 13 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 archive20072009
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.