Alert archive / Wisconsin / Ozaukee County
Weather alerts in Ozaukee County, Wisconsin, 2008
156 weather alerts in 2008, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Ozaukee County and its neighbors
Each county as a circle sized by its count in 2008. Tap one for its archive.
- Alerts
- 156
- Warnings
- 46
- Watches
- 31
- Advisories
- 54
- Busiest month
- June48 alerts
- Busiest day
- June 8, 20089 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Ozaukee County, 2008
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 16 | 8 | 50% | 3 | 67% | 38 min |
| Flash flood warnings | 7 | 4 | 43% | 1 | 100% | 101 min |
Each office's whole area, 2008
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Milwaukee, WI: tornado warnings | 43 | 19 | 56% | 40 | 75% | 30 min |
| NWS Milwaukee, WI: severe thunderstorm warnings | 149 | 76 | 49% | 253 | 72% | 28 min |
| NWS Milwaukee, WI: flash flood warnings | 52 | 27 | 48% | 84 | 90% | 118 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, 9:25 PM CST | Dense Fog Advisory | MKX | 35 hr |
| Jan 7, 2:52 PM CST | Dense Fog Advisory | MKX | 18 hr |
| Jan 8, 1:49 PM CST | River Flood Warning | MKX | 7 hr |
| Jan 10, 2:09 PM CST | Snow Advisory | MKX | 13 hr |
| Jan 17, 2:15 PM CST | Wind Chill Advisory | MKX | 70 hr |
| Jan 20, 2:00 PM CST | Snow Advisory | MKX | 38 hr |
| Jan 21, 9:10 PM CST | Heavy Snow Warning | MKX | 7 hr |
| Jan 24, 4:13 AM CST | Wind Chill Advisory | MKX | 5 hr |
| Jan 28, 10:22 AM CST | High Wind Watch | MKX | 17 hr |
| Jan 28, 11:08 AM CST | Winter Storm Watch | MKX | 17 hr |
| Jan 28, 11:32 AM CST | Wind Chill Advisory | MKX | 39 hr |
| Jan 29, 3:41 AM CST | Winter Storm Warning | MKX | 20 hr |
| Jan 29, 8:54 PM CST | Blowing Snow Advisory | MKX | 7 hr |
| Jan 30, 2:08 AM CST | Wind Chill Warning | MKX | 8 hr |
| Jan 31, 3:32 AM CST | Snow Advisory | MKX | 29 hr |
| Feb 4, 4:17 AM CST | Winter Storm Watch | MKX | 12 hr |
| Feb 4, 3:04 PM CST | Winter Storm Warning | MKX | 54 hr |
| Feb 4, 5:15 PM CST | Dense Fog Advisory | MKX | 10 hr |
| Feb 6, 6:07 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 6, 11:32 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 8, 2:48 PM CST | Blowing Snow Advisory | MKX | 13 hr |
| Feb 8, 2:48 PM CST | Wind Chill Watch | MKX | 13 hr |
| Feb 9, 3:48 AM CST | Wind Advisory | MKX | 3 hr |
| Feb 9, 4:02 AM CST | Wind Chill Warning | MKX | 32 hr |
| Feb 9, 4:02 AM CST | Wind Chill Advisory | MKX | 12 hr |
| Feb 9, 7:18 AM CST | Winter Weather Advisory | MKX | 13 hr |
| Feb 9, 7:50 PM CST | Blowing Snow Advisory | MKX | 22 hr |
| Feb 10, 11:57 AM CST | Wind Chill Advisory | MKX | 12 hr |
| Feb 10, 3:30 PM CST | Snow Advisory | MKX | 53 hr |
| Feb 13, 2:13 PM CST | Snow Advisory | MKX | 29 hr |
| Feb 15, 4:29 AM CST | Winter Storm Watch | MKX | 32 hr |
| Feb 16, 12:26 PM CST | Winter Weather Advisory | MKX | 31 hr |
| Feb 17, 10:35 AM CST | River Flood Watch | MKX | 12 hr |
| Feb 25, 3:57 AM CST | Snow Advisory | MKX | 16 hr |
| Mar 2, 3:24 PM CST | Winter Weather Advisory | MKX | 17 hr |
| Mar 18, 9:17 AM CDT | Dense Fog Advisory | MKX | 2 hr |
| Mar 20, 1:51 PM CDT | Winter Storm Warning | MKX | 37 hr |
| Mar 25, 2:23 PM CDT | Winter Storm Watch | MKX | 59 hr |
| Mar 30, 2:50 AM CDT | Flood Watch | MKX | 41 hr |
| Mar 31, 2:32 AM CDT | Dense Fog Advisory | MKX | 7 hr |
| Apr 11, 7:05 AM CDT | Dense Fog Advisory | MKX | 3 hr |
| Apr 16, 7:14 AM CDT | Wind Advisory | MKX | 8 hr |
| Apr 25, 2:41 PM CDT | Tornado Watch | SPC | 5 hr |
| Apr 25, 6:09 PM CDT | Flash Flood Warning | MKX | 3 hr |
| Apr 25, 6:54 PM CDT | Severe Thunderstorm Warning | MKX | 51 min |
| Apr 25, 9:33 PM CDT | Areal Flood Advisory | MKX | 3 hr |
| Apr 26, 2:12 PM CDT | Wind Advisory | MKX | 5 hr |
| May 2, 7:28 PM CDT | Severe Thunderstorm Warning | MKX | 32 min |
| May 9, 3:17 PM CDT | Frost Advisory | MKX | 13 hr |
| May 25, 9:23 PM CDT | Mesoscale Discussion | SPC | 67 min |
| May 27, 2:55 PM CDT | Frost Advisory | MKX | 16 hr |
| Jun 4, 2:13 PM CDT | Dense Fog Advisory | MKX | 16 hr |
| Jun 5, 1:38 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 5, 4:59 AM CDT | Tornado Watch | SPC | 6 hr |
| Jun 5, 6:46 AM CDT | Mesoscale Discussion | SPC | 119 min |
| Jun 6, 1:05 PM CDT | Tornado Watch | SPC | 5 hr |
| Jun 6, 2:12 PM CDT | Wind Advisory | MKX | 4 hr |
| Jun 6, 2:23 PM CDT | Severe Thunderstorm Warning | MKX | 37 min |
| Jun 6, 2:55 PM CDT | Severe Thunderstorm Warning | MKX | 35 min |
| Jun 7, 12:17 PM CDT | Tornado Watch | SPC | 8 hr |
| Jun 7, 12:46 PM CDT | Flash Flood Watch | MKX | 39 hr |
| Jun 7, 1:35 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Jun 7, 3:13 PM CDT | Flash Flood Warning | MKX | 6 hr |
| Jun 7, 4:27 PM CDT | Severe Thunderstorm Warning | MKX | 48 min |
| Jun 7, 6:34 PM CDT | Mesoscale Discussion | SPC | 56 min |
| Jun 7, 9:21 PM CDT | Flash Flood Warning | MKX | 3 hr |
| Jun 8, 12:14 AM CDT | Areal Flood Warning | MKX | 10 hr |
| Jun 8, 4:54 AM CDT | River Flood Watch | MKX | 3 days |
| Jun 8, 9:47 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 8, 9:50 AM CDT | Flash Flood Warning | MKX | 5 hr |
| Jun 8, 10:24 AM CDT | Severe Thunderstorm Warning | MKX | 81 min |
| Jun 8, 2:28 PM CDT | Areal Flood Warning | MKX | 18 hr |
| Jun 8, 6:42 PM CDT | Severe Thunderstorm Warning | MKX | 78 min |
| Jun 8, 6:49 PM CDT | Flash Flood Warning | MKX | 4 hr |
| Jun 8, 9:57 PM CDT | River Flood Warning | MKX | 8 days |
| Jun 9, 3:08 AM CDT | River Flood Warning | MKX | 54 hr |
| Jun 9, 12:29 PM CDT | Areal Flood Warning | MKX | 36 hr |
| Jun 9, 3:51 PM CDT | River Flood Warning | MKX | 39 hr |
| Jun 11, 3:36 AM CDT | Flash Flood Watch | MKX | 51 hr |
| Jun 12, 1:04 PM CDT | Tornado Watch | SPC | 7 hr |
| Jun 12, 5:45 PM CDT | Flash Flood Warning | MKX | 113 min |
| Jun 12, 5:48 PM CDT | Severe Thunderstorm Warning | MKX | 27 min |
| Jun 12, 6:12 PM CDT | Severe Thunderstorm Warning | MKX | 48 min |
| Jun 12, 6:49 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Jun 12, 7:31 PM CDT | Flash Flood Warning | MKX | 6 hr |
| Jun 12, 7:48 PM CDT | Tornado Watch | SPC | 6 hr |
| Jun 12, 9:59 PM CDT | River Flood Warning | MKX | 41 hr |
| Jun 13, 12:38 AM CDT | River Flood Warning | MKX | 15 hr |
| Jun 13, 1:24 AM CDT | Areal Flood Warning | MKX | 60 hr |
| Jun 14, 5:03 AM CDT | River Flood Warning | MKX | 30 hr |
| Jun 14, 3:14 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 14, 5:24 PM CDT | Severe Thunderstorm Warning | MKX | 36 min |
| Jun 15, 1:07 PM CDT | Areal Flood Warning | MKX | 24 hr |
| Jun 15, 1:08 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Jun 20, 1:54 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Jun 27, 8:56 PM CDT | Mesoscale Discussion | SPC | 94 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, 9:42 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 2, 10:09 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 2, 10:46 AM CDT | Severe Thunderstorm Warning | MKX | 29 min |
| Jul 2, 11:22 AM CDT | Severe Thunderstorm Warning | MKX | 53 min |
| Jul 2, 1:55 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Jul 2, 6:14 PM CDT | Severe Thunderstorm Warning | MKX | 61 min |
| Jul 7, 2:46 PM CDT | Flash Flood Watch | MKX | 13 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, 5:36 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Jul 7, 8:32 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Jul 10, 1:10 PM CDT | Severe Thunderstorm Warning | MKX | 50 min |
| Jul 10, 1:18 PM CDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Jul 10, 5:52 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Jul 10, 6:09 PM CDT | Severe Thunderstorm Warning | MKX | 62 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, 3:11 PM CDT | Severe Thunderstorm Warning | MKX | 79 min |
| Jul 16, 3:53 PM CDT | Areal Flood Advisory | MKX | 3 hr |
| Jul 17, 11:25 AM CDT | Flash Flood Watch | MKX | 21 hr |
| Aug 1, 12:29 PM CDT | Mesoscale Discussion | SPC | 61 min |
| Aug 6, 1:45 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Aug 14, 3:13 AM CDT | Dense Fog Advisory | MKX | 6 hr |
| Sep 21, 6:22 PM CDT | Dense Fog Advisory | MKX | 15 hr |
| Sep 22, 11:39 PM CDT | Dense Fog Advisory | MKX | 9 hr |
| Sep 25, 10:44 PM CDT | Dense Fog Advisory | MKX | 8 hr |
| Oct 3, 3:27 AM CDT | Frost Advisory | MKX | 28 hr |
| Oct 12, 2:14 AM CDT | Dense Fog Advisory | MKX | 6 hr |
| Oct 25, 2:01 PM CDT | Wind Advisory | MKX | 30 hr |
| Nov 2, 9:28 PM CST | Dense Fog Advisory | MKX | 12 hr |
| Nov 29, 2:42 PM CST | Winter Weather Advisory | MKX | 13 hr |
| Nov 29, 9:38 PM CST | Winter Storm Warning | MKX | 30 hr |
| Nov 30, 3:36 AM CST | Winter Weather Advisory | MKX | 32 hr |
| Dec 1, 12:37 AM CST | Mesoscale Discussion | SPC | 4 hr |
| Dec 2, 3:34 PM CST | Winter Weather Advisory | MKX | 28 hr |
| Dec 7, 4:06 AM CST | Winter Storm Watch | MKX | 31 hr |
| Dec 8, 4:25 AM CST | Winter Storm Warning | MKX | 38 hr |
| Dec 8, 10:50 AM CST | Winter Weather Advisory | MKX | 31 hr |
| Dec 15, 2:08 PM CST | Winter Weather Advisory | MKX | 34 hr |
| Dec 16, 1:52 PM CST | Winter Storm Watch | MKX | 24 hr |
| Dec 17, 1:53 PM CST | Winter Storm Warning | MKX | 48 hr |
| Dec 18, 11:38 PM CST | Mesoscale Discussion | SPC | 4 hr |
| Dec 19, 6:22 AM CST | Mesoscale Discussion | SPC | 5 hr |
| Dec 19, 2:11 PM CST | Winter Storm Watch | MKX | 14 hr |
| Dec 19, 3:00 PM CST | Wind Chill Advisory | MKX | 69 hr |
| Dec 20, 4:29 AM CST | Winter Weather Advisory | MKX | 20 hr |
| Dec 20, 3:26 PM CST | Winter Storm Warning | MKX | 27 hr |
| Dec 21, 3:42 PM CST | Winter Weather Advisory | MKX | 8 hr |
| Dec 22, 4:10 AM CST | Winter Storm Watch | MKX | 35 hr |
| Dec 22, 4:10 AM CST | Winter Weather Advisory | MKX | 42 hr |
| Dec 23, 3:01 PM CST | Winter Storm Warning | MKX | 12 hr |
| Dec 23, 3:01 PM CST | Winter Weather Advisory | MKX | 30 hr |
| Dec 25, 3:26 PM CST | Winter Weather Advisory | MKX | 14 hr |
| Dec 26, 9:51 AM CST | Dense Fog Advisory | MKX | 32 hr |
| Dec 26, 10:32 AM CST | Flash Flood Watch | MKX | 33 hr |
| Dec 27, 4:34 AM CST | Areal Flood Advisory | MKX | 4 hr |
| Dec 27, 8:22 PM CST | Winter Weather Advisory | MKX | 12 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.