Alert archive / Wisconsin / Milwaukee County
Weather alerts in Milwaukee County, Wisconsin, 2016
100 weather alerts in 2016, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Milwaukee County and its neighbors
Each county as a circle sized by its count in 2016. Tap one for its archive.
- Alerts
- 100
- Warnings
- 10
- Watches
- 13
- Advisories
- 33
- Busiest month
- July25 alerts
- Busiest day
- July 21, 20168 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Milwaukee County, 2016
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 2 | 2 | 0% | 8 | 38% | 11 min |
| Flash flood warnings | 2 | 1 | 50% | 2 | 50% | 6 min |
Each office's whole area, 2016
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Milwaukee, WI: tornado warnings | 2 | 0 | 100% | 1 | 0% | |
| NWS Milwaukee, WI: severe thunderstorm warnings | 86 | 41 | 52% | 184 | 71% | 26 min |
| NWS Milwaukee, WI: flash flood warnings | 9 | 5 | 44% | 13 | 85% | 63 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 8, 7:26 AM CST | Dense Fog Advisory | MKX | 16 hr |
| Jan 16, 4:53 AM CST | Wind Chill Advisory | MKX | 55 hr |
| Feb 1, 8:06 PM CST | Dense Fog Advisory | MKX | 8 hr |
| Feb 2, 11:42 PM CST | Dense Fog Advisory | MKX | 6 hr |
| Feb 12, 3:27 AM CST | Wind Chill Advisory | MKX | 30 hr |
| Feb 18, 3:08 PM CST | Wind Advisory | MKX | 29 hr |
| Feb 19, 9:40 AM CST | High Wind Warning | MKX | 8 hr |
| Feb 24, 3:03 AM CST | Wind Advisory | MKX | 18 hr |
| Feb 29, 3:39 AM CST | Winter Storm Warning | MKX | 24 hr |
| Feb 29, 3:39 AM CST | Winter Weather Advisory | MKX | 37 hr |
| Mar 15, 4:16 AM CDT | High Wind Watch | MKX | 23 hr |
| Mar 15, 5:31 AM CDT | Dense Fog Advisory | MKX | 3 hr |
| Mar 16, 3:33 AM CDT | High Wind Warning | MKX | 16 hr |
| Mar 23, 4:17 AM CDT | Winter Weather Advisory | MKX | 36 hr |
| Mar 31, 10:46 AM CDT | Mesoscale Discussion | SPC | 89 min |
| Mar 31, 11:04 AM CDT | Special Weather Statement | MKX | 26 min |
| Mar 31, 12:18 PM CDT | Special Weather Statement | MKX | 27 min |
| Apr 1, 2:15 PM CDT | Wind Advisory | MKX | 28 hr |
| Apr 8, 11:21 AM CDT | Winter Weather Advisory | MKX | 11 hr |
| Apr 9, 3:34 PM CDT | Winter Weather Advisory | MKX | 16 hr |
| Apr 22, 3:36 AM CDT | Frost Advisory | MKX | 28 hr |
| Apr 25, 1:40 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 25, 2:17 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Apr 25, 3:19 PM CDT | Special Weather Statement | MKX | 26 min |
| Apr 25, 5:32 PM CDT | Special Weather Statement | MKX | 43 min |
| Apr 25, 6:04 PM CDT | Mesoscale Discussion | SPC | 86 min |
| May 10, 11:29 PM CDT | Dense Fog Advisory | MKX | 13 hr |
| May 11, 8:47 PM CDT | Dense Fog Advisory | MKX | 6 hr |
| May 14, 3:00 AM CDT | Frost Advisory | MKX | 29 hr |
| May 17, 3:13 PM CDT | Frost Advisory | MKX | 17 hr |
| May 28, 1:37 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 28, 8:30 PM CDT | Mesoscale Discussion | SPC | 60 min |
| May 28, 8:44 PM CDT | Special Weather Statement | MKX | 46 min |
| May 28, 9:25 PM CDT | Special Weather Statement | MKX | 35 min |
| May 28, 10:00 PM CDT | Special Weather Statement | MKX | 30 min |
| Jun 5, 7:10 PM CDT | Severe Thunderstorm Warning | MKX | 54 min |
| Jun 10, 8:44 PM CDT | Special Weather Statement | MKX | 76 min |
| Jun 10, 9:57 PM CDT | Special Weather Statement | MKX | 33 min |
| Jun 15, 1:45 AM CDT | Special Weather Statement | MKX | 30 min |
| Jun 22, 7:16 PM CDT | Special Weather Statement | MKX | 44 min |
| Jun 28, 3:50 AM CDT | Beach Hazards Statement | MKX | 15 hr |
| Jul 1, 3:42 AM CDT | Beach Hazards Statement | MKX | 12 hr |
| Jul 5, 9:50 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 6, 1:18 AM CDT | Special Weather Statement | MKX | 27 min |
| Jul 6, 1:27 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 17, 7:00 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 17, 7:39 AM CDT | Special Weather Statement | MKX | 36 min |
| Jul 18, 3:18 PM CDT | Excessive Heat Watch | MKX | 44 hr |
| Jul 20, 11:32 AM CDT | Excessive Heat Warning | MKX | 51 hr |
| Jul 21, 8:28 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 21, 8:45 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 21, 10:46 AM CDT | Special Weather Statement | MKX | 29 min |
| Jul 21, 11:19 AM CDT | Mesoscale Discussion | SPC | 116 min |
| Jul 21, 11:42 AM CDT | Heat Advisory | MKX | 31 hr |
| Jul 21, 4:26 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 21, 5:42 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Jul 21, 6:21 PM CDT | Special Weather Statement | MKX | 54 min |
| Jul 21, 8:17 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Jul 21, 11:32 PM CDT | Special Weather Statement | MKX | 88 min |
| Jul 23, 3:43 AM CDT | Heat Advisory | MKX | 39 hr |
| Jul 23, 3:23 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 23, 3:51 PM CDT | Special Weather Statement | MKX | 24 min |
| Jul 24, 2:13 PM CDT | Special Weather Statement | MKX | 47 min |
| Jul 24, 2:25 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 27, 12:46 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 29, 12:01 PM CDT | Areal Flood Advisory | MKX | 3 hr |
| Aug 3, 2:00 PM CDT | Special Weather Statement | MKX | 60 min |
| Aug 4, 4:44 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 12, 3:00 AM CDT | Flash Flood Watch | MKX | 14 hr |
| Aug 19, 6:27 PM CDT | Special Weather Statement | MKX | 63 min |
| Aug 20, 8:00 AM CDT | Special Weather Statement | MKX | 30 min |
| Aug 23, 3:05 AM CDT | Beach Hazards Statement | MKX | 19 hr |
| Aug 28, 12:36 AM CDT | Dense Fog Advisory | MKX | 9 hr |
| Aug 30, 1:06 PM CDT | Special Weather Statement | MKX | 54 min |
| Aug 30, 1:45 PM CDT | Areal Flood Advisory | MKX | 60 min |
| Aug 30, 2:02 PM CDT | Special Weather Statement | MKX | 88 min |
| Aug 30, 2:15 PM CDT | Flash Flood Warning | MKX | 60 min |
| Aug 31, 4:34 PM CDT | Beach Hazards Statement | MKX | 38 hr |
| Sep 7, 5:01 PM CDT | Severe Thunderstorm Warning | MKX | 29 min |
| Sep 7, 5:19 PM CDT | Areal Flood Advisory | MKX | 3 hr |
| Sep 7, 5:52 PM CDT | Flash Flood Warning | MKX | 3 hr |
| Sep 19, 2:31 PM CDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Sep 19, 5:07 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Sep 19, 5:41 PM CDT | Special Weather Statement | MKX | 34 min |
| Sep 21, 5:05 AM CDT | Special Weather Statement | MKX | 40 min |
| Sep 25, 2:38 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 25, 4:26 PM CDT | Special Weather Statement | MKX | 34 min |
| Oct 13, 11:27 AM CDT | Frost Advisory | MKX | 22 hr |
| Oct 16, 6:58 PM CDT | Dense Fog Advisory | MKX | 8 hr |
| Nov 18, 9:28 AM CST | Wind Advisory | MKX | 30 hr |
| Nov 27, 6:16 AM CST | Dense Fog Advisory | MKX | 5 hr |
| Dec 3, 1:55 PM CST | Winter Weather Advisory | MKX | 31 hr |
| Dec 9, 10:58 AM CST | Winter Storm Watch | MKX | 27 hr |
| Dec 10, 2:08 PM CST | Winter Storm Warning | MKX | 32 hr |
| Dec 14, 4:04 AM CST | Wind Chill Advisory | MKX | 30 hr |
| Dec 14, 1:45 PM CST | Winter Storm Watch | MKX | 21 hr |
| Dec 15, 10:17 AM CST | Winter Storm Warning | MKX | 62 hr |
| Dec 17, 3:10 PM CST | Wind Chill Advisory | MKX | 43 hr |
| Dec 25, 9:24 PM CST | Wind Advisory | MKX | 23 hr |
| Dec 26, 2:35 AM CST | Dense Fog Advisory | MKX | 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 | 2 |
| Severe Thunderstorm Watch | 8 |
| Mesoscale Discussion | 14 |
| Special Weather Statement | 26 |
| Flooding | |
| Flash Flood Warning | 2 |
| Flash Flood Watch | 1 |
| Areal Flood Advisory | 3 |
| Winter | |
| Winter Storm Warning | 3 |
| Winter Storm Watch | 2 |
| Winter Weather Advisory | 5 |
| Heat | |
| Excessive Heat Warning | 1 |
| Excessive Heat Watch | 1 |
| Heat Advisory | 2 |
| Cold | |
| Frost Advisory | 4 |
| Wind Chill Advisory | 4 |
| Wind and dust | |
| High Wind Warning | 2 |
| High Wind Watch | 1 |
| Wind Advisory | 5 |
| Fog and smoke | |
| Dense Fog Advisory | 10 |
| Coast and beach | |
| Beach Hazards Statement | 4 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20152017
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.