Alert archive / Wisconsin / Ozaukee County
Weather alerts in Ozaukee County, Wisconsin, 2013
107 weather alerts in 2013, 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 2013. Tap one for its archive.
- Alerts
- 107
- Warnings
- 23
- Watches
- 18
- Advisories
- 46
- Busiest month
- April13 alerts
- Busiest day
- January 29, 20135 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, 2013
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 11 | 6 | 45% | 0 | ||
| 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 Milwaukee, WI: tornado warnings | 9 | 1 | 89% | 5 | 40% | 16 min |
| NWS Milwaukee, WI: severe thunderstorm warnings | 87 | 54 | 38% | 187 | 73% | 23 min |
| NWS Milwaukee, WI: flash flood warnings | 13 | 8 | 38% | 24 | 79% | 74 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 12, 6:16 PM CST | Winter Weather Advisory | MKX | 9 hr |
| Jan 19, 3:59 AM CST | Wind Advisory | MKX | 23 hr |
| Jan 20, 2:49 PM CST | Wind Chill Advisory | MKX | 45 hr |
| Jan 26, 3:37 AM CST | Winter Storm Watch | MKX | 11 hr |
| Jan 26, 2:18 PM CST | Winter Weather Advisory | MKX | 37 hr |
| Jan 28, 8:43 PM CST | Dense Fog Advisory | MKX | 8 hr |
| Jan 29, 3:57 AM CST | Flood Watch | MKX | 20 hr |
| Jan 29, 5:17 AM CST | Dense Fog Advisory | MKX | 6 hr |
| Jan 29, 3:00 PM CST | Winter Weather Advisory | MKX | 27 hr |
| Jan 29, 4:56 PM CST | Areal Flood Advisory | MKX | 120 days |
| Jan 31, 3:45 AM CST | Wind Chill Advisory | MKX | 32 hr |
| Feb 3, 3:44 AM CST | Winter Weather Advisory | MKX | 29 hr |
| Feb 6, 4:09 AM CST | Winter Storm Watch | MKX | 8 hr |
| Feb 6, 11:55 AM CST | Winter Storm Warning | MKX | 36 hr |
| Feb 6, 11:55 AM CST | Winter Weather Advisory | MKX | 39 hr |
| Feb 9, 4:20 AM CST | Freezing Fog Advisory | MKX | 5 hr |
| Feb 9, 2:46 PM CST | Freezing Rain Advisory | MKX | 21 hr |
| Feb 10, 8:51 PM CST | Wind Advisory | MKX | 19 hr |
| Feb 20, 3:24 PM CST | Winter Weather Advisory | MKX | 47 hr |
| Feb 24, 9:32 PM CST | Winter Storm Watch | MKX | 14 hr |
| Feb 25, 10:17 AM CST | Winter Weather Advisory | MKX | 48 hr |
| Feb 26, 5:36 PM CST | Winter Storm Warning | MKX | 17 hr |
| Feb 27, 10:44 AM CST | Winter Weather Advisory | MKX | 13 hr |
| Mar 3, 4:20 AM CST | Winter Storm Watch | MKX | 33 hr |
| Mar 4, 4:19 AM CST | Winter Storm Warning | MKX | 41 hr |
| Mar 10, 4:08 AM CDT | Dense Fog Advisory | MKX | 14 hr |
| Mar 10, 6:14 PM CDT | Dense Fog Advisory | MKX | 16 hr |
| Mar 11, 10:25 AM CDT | River Flood Warning | MKX | 4 days |
| Mar 18, 8:55 PM CDT | Winter Weather Advisory | MKX | 13 hr |
| Mar 19, 9:40 AM CDT | Wind Advisory | MKX | 8 hr |
| Apr 8, 3:15 PM CDT | Flood Watch | MKX | 60 hr |
| Apr 9, 12:31 AM CDT | Dense Fog Advisory | MKX | 9 hr |
| Apr 9, 10:02 AM CDT | River Flood Warning | MKX | 5 days |
| Apr 9, 10:27 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Apr 9, 9:36 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Apr 10, 6:25 PM CDT | River Flood Warning | MKX | 12 hr |
| Apr 11, 12:40 AM CDT | High Wind Warning | MKX | 3 hr |
| Apr 11, 10:53 AM CDT | River Flood Warning | MKX | 35 hr |
| Apr 14, 7:07 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Apr 16, 10:56 AM CDT | Flood Watch | MKX | 58 hr |
| Apr 17, 11:11 AM CDT | River Flood Watch | MKX | 10 hr |
| Apr 17, 9:23 PM CDT | River Flood Warning | MKX | 24 hr |
| Apr 29, 9:00 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 12, 4:01 AM CDT | Frost Advisory | MKX | 27 hr |
| May 14, 8:52 PM CDT | Severe Thunderstorm Warning | MKX | 38 min |
| May 20, 7:48 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 23, 9:04 PM CDT | Frost Advisory | MKX | 10 hr |
| May 29, 3:14 AM CDT | Dense Fog Advisory | MKX | 6 hr |
| May 30, 6:40 PM CDT | Tornado Watch | SPC | 3 hr |
| May 30, 8:29 PM CDT | Severe Thunderstorm Warning | MKX | 46 min |
| May 30, 8:53 PM CDT | Severe Thunderstorm Warning | MKX | 67 min |
| May 30, 9:14 PM CDT | Mesoscale Discussion | SPC | 61 min |
| Jun 12, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 12, 5:56 PM CDT | Areal Flood Advisory | MKX | 3 hr |
| Jun 12, 6:52 PM CDT | Severe Thunderstorm Warning | MKX | 53 min |
| Jun 17, 1:03 PM CDT | Mesoscale Discussion | SPC | 87 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, 2:15 PM CDT | Severe Thunderstorm Warning | MKX | 45 min |
| Jun 27, 6:12 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 9, 2:39 AM CDT | Dense Fog Advisory | MKX | 7 hr |
| Jul 16, 11:45 AM CDT | Heat Advisory | MKX | 3 days |
| Jul 17, 1:26 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 26, 11:26 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| 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, 1:56 AM CDT | Severe Thunderstorm Warning | MKX | 49 min |
| Aug 21, 8:14 PM CDT | Mesoscale Discussion | SPC | 61 min |
| Aug 26, 3:32 PM CDT | Heat Advisory | MKX | 28 hr |
| Aug 27, 2:15 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 30, 12:24 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 30, 2:04 PM CDT | Severe Thunderstorm Warning | MKX | 41 min |
| Aug 30, 2:07 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 30, 2:29 PM CDT | Severe Thunderstorm Warning | MKX | 46 min |
| Sep 1, 2:51 AM CDT | Dense Fog Advisory | MKX | 6 hr |
| Sep 7, 1:27 PM CDT | Areal Flood Advisory | MKX | 3 hr |
| Sep 10, 5:00 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Sep 19, 4:29 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Sep 19, 4:40 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Sep 19, 7:36 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Sep 19, 9:09 PM CDT | Severe Thunderstorm Warning | MKX | 36 min |
| Sep 19, 9:35 PM CDT | Severe Thunderstorm Warning | MKX | 40 min |
| Sep 25, 3:35 AM CDT | Dense Fog Advisory | MKX | 8 hr |
| Sep 26, 3:10 AM CDT | Dense Fog Advisory | MKX | 7 hr |
| Sep 26, 9:16 PM CDT | Dense Fog Advisory | MKX | 11 hr |
| Oct 3, 9:15 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Oct 4, 11:51 PM CDT | Dense Fog Advisory | MKX | 11 hr |
| Oct 5, 11:18 AM CDT | Dense Fog Advisory | MKX | 4 hr |
| Oct 10, 8:17 PM CDT | Dense Fog Advisory | MKX | 13 hr |
| Oct 19, 4:30 AM CDT | Frost Advisory | MKX | 28 hr |
| Oct 20, 12:51 PM CDT | Freeze Watch | MKX | 15 hr |
| Oct 21, 4:17 AM CDT | Freeze Warning | MKX | 28 hr |
| Oct 30, 10:33 PM CDT | Dense Fog Advisory | MKX | 9 hr |
| Nov 17, 4:00 AM CST | Wind Advisory | MKX | 22 hr |
| Nov 17, 8:40 AM CST | Tornado Watch | SPC | 7 hr |
| Nov 17, 10:32 AM CST | Severe Thunderstorm Warning | MKX | 43 min |
| Dec 3, 3:51 AM CST | Dense Fog Advisory | MKX | 38 hr |
| Dec 7, 1:44 PM CST | Winter Weather Advisory | MKX | 40 hr |
| Dec 11, 3:38 AM CST | Wind Chill Advisory | MKX | 26 hr |
| Dec 13, 3:46 AM CST | Lake Effect Snow Watch | MKX | 12 hr |
| Dec 13, 3:46 AM CST | Lake Effect Snow Advisory | MKX | 36 hr |
| Dec 13, 3:34 PM CST | Lake Effect Snow Warning | MKX | 8 hr |
| Dec 19, 3:18 AM CST | Freezing Rain Advisory | MKX | 41 hr |
| Dec 19, 3:21 PM CST | Winter Storm Watch | MKX | 23 hr |
| Dec 20, 2:45 PM CST | Winter Storm Warning | MKX | 45 hr |
| Dec 29, 3:24 AM CST | Wind Chill Advisory | MKX | 31 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.