Alert archive / Wisconsin / Milwaukee County
Weather alerts in Milwaukee County, Wisconsin, 2022
105 weather alerts in 2022, 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 2022. Tap one for its archive.
- Alerts
- 105
- Warnings
- 24
- Watches
- 10
- Advisories
- 42
- Busiest month
- July18 alerts
- Busiest day
- June 13, 20225 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
1 of 1 tornado warnings covering Milwaukee County in 2022 had a tornado report inside them; 3 of 3 tornado reports fell inside a warning, on average 13 minutes after it went out.
Milwaukee County, 2022
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 1 | 0% | 3 | 100% | 13 min |
| Severe thunderstorm warnings | 10 | 10 | 0% | 32 | 78% | 27 min |
| Flash flood warnings | 2 | 2 | 0% | 6 | 83% | 48 min |
Each office's whole area, 2022
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Milwaukee, WI: tornado warnings | 22 | 7 | 68% | 17 | 76% | 16 min |
| NWS Milwaukee, WI: severe thunderstorm warnings | 124 | 83 | 33% | 288 | 79% | 23 min |
| NWS Milwaukee, WI: flash flood warnings | 8 | 3 | 63% | 11 | 73% | 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 4, 3:25 AM CST | Winter Weather Advisory | MKX | 39 hr |
| Jan 8, 1:47 PM CST | Winter Weather Advisory | MKX | 10 hr |
| Jan 23, 2:11 PM CST | Winter Weather Advisory | MKX | 22 hr |
| Jan 25, 2:17 AM CST | Wind Chill Advisory | MKX | 34 hr |
| Feb 18, 3:18 AM CST | Wind Advisory | MKX | 24 hr |
| Feb 18, 7:28 PM CST | Snow Squall Warning | MKX | 62 min |
| Feb 18, 8:06 PM CST | Snow Squall Warning | MKX | 54 min |
| Feb 18, 8:07 PM CST | Mesoscale Discussion | SPC | 3 hr |
| Feb 19, 1:51 PM CST | Wind Advisory | MKX | 25 hr |
| Feb 20, 2:22 PM CST | Winter Weather Advisory | MKX | 52 hr |
| Feb 24, 2:48 AM CST | Winter Weather Advisory | MKX | 27 hr |
| Mar 5, 3:00 AM CST | Wind Advisory | MKX | 30 hr |
| Mar 5, 10:32 PM CST | Mesoscale Discussion | SPC | 88 min |
| Mar 5, 10:35 PM CST | Severe Thunderstorm Warning | MKX | 55 min |
| Mar 6, 2:54 PM CST | Winter Weather Advisory | MKX | 21 hr |
| Mar 23, 8:31 AM CDT | Dense Fog Advisory | MKX | 10 hr |
| Mar 25, 11:39 AM CDT | Wind Advisory | MKX | 10 hr |
| Apr 13, 2:22 PM CDT | Wind Advisory | MKX | 29 hr |
| Apr 14, 1:42 PM CDT | High Wind Warning | MKX | 5 hr |
| Apr 22, 8:45 PM CDT | Special Weather Statement | MKX | 45 min |
| Apr 30, 7:27 PM CDT | Special Weather Statement | MKX | 48 min |
| May 25, 3:09 AM CDT | Beach Hazards Statement | MKX | 24 hr |
| May 25, 2:23 PM CDT | Dense Fog Advisory | MKX | 3 hr |
| May 26, 2:16 PM CDT | Beach Hazards Statement | MKX | 29 hr |
| May 28, 2:49 PM CDT | Beach Hazards Statement | MKX | 3 days |
| Jun 9, 12:34 AM CDT | Dense Fog Advisory | MKX | 7 hr |
| Jun 13, 3:24 AM CDT | Heat Advisory | MKX | 65 hr |
| Jun 13, 2:57 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 13, 3:11 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 13, 4:08 PM CDT | Severe Thunderstorm Warning | MKX | 37 min |
| Jun 13, 4:31 PM CDT | Areal Flood Advisory | MKX | 119 min |
| Jun 14, 7:09 AM CDT | Dense Fog Advisory | MKX | 3 hr |
| Jun 15, 2:28 PM CDT | Tornado Watch | SPC | 10 hr |
| Jun 15, 10:11 PM CDT | Areal Flood Advisory | MKX | 3 hr |
| Jun 17, 3:11 PM CDT | Beach Hazards Statement | MKX | 12 hr |
| Jun 20, 2:25 PM CDT | Heat Advisory | MKX | 29 hr |
| Jul 4, 8:07 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 4, 9:01 PM CDT | Areal Flood Advisory | MKX | 94 min |
| Jul 4, 9:47 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Jul 5, 7:29 PM CDT | Areal Flood Advisory | MKX | 3 hr |
| Jul 5, 7:39 PM CDT | Flash Flood Warning | MKX | 4 hr |
| Jul 7, 2:52 PM CDT | Beach Hazards Statement | MKX | 41 hr |
| Jul 11, 9:43 AM CDT | Special Weather Statement | MKX | 47 min |
| Jul 11, 7:31 PM CDT | Special Weather Statement | MKX | 44 min |
| Jul 11, 8:03 PM CDT | Special Weather Statement | MKX | 42 min |
| Jul 15, 9:05 AM CDT | Areal Flood Advisory | MKX | 6 hr |
| Jul 16, 12:16 AM CDT | Dense Fog Advisory | MKX | 9 hr |
| Jul 23, 3:58 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 23, 6:29 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 23, 7:08 PM CDT | Severe Thunderstorm Warning | MKX | 59 min |
| Jul 23, 11:12 PM CDT | Severe Thunderstorm Warning | MKX | 63 min |
| Jul 23, 11:40 PM CDT | Flash Flood Warning | MKX | 3 hr |
| Jul 24, 12:41 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 24, 2:41 AM CDT | Severe Thunderstorm Warning | MKX | 55 min |
| Aug 3, 10:42 AM CDT | Mesoscale Discussion | SPC | 93 min |
| Aug 6, 3:38 AM CDT | Heat Advisory | MKX | 15 hr |
| Aug 6, 2:47 PM CDT | Flood Watch | MKX | 41 hr |
| Aug 8, 3:39 AM CDT | Beach Hazards Statement | MKX | 27 hr |
| Aug 10, 3:24 AM CDT | Beach Hazards Statement | MKX | 52 hr |
| Aug 20, 1:35 AM CDT | Special Weather Statement | MKX | 55 min |
| Aug 20, 2:03 PM CDT | Areal Flood Advisory | MKX | 2 hr |
| Aug 21, 1:06 AM CDT | Dense Fog Advisory | MKX | 7 hr |
| Aug 28, 1:09 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 28, 3:48 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Aug 28, 5:09 PM CDT | Special Weather Statement | MKX | 36 min |
| Sep 2, 2:53 PM CDT | Beach Hazards Statement | MKX | 49 hr |
| Sep 10, 3:23 AM CDT | Beach Hazards Statement | MKX | 58 hr |
| Sep 11, 3:02 AM CDT | Flood Watch | MKX | 31 hr |
| Sep 11, 5:19 PM CDT | Areal Flood Advisory | MKX | 3 hr |
| Sep 11, 7:33 PM CDT | Areal Flood Warning | MKX | 13 hr |
| Sep 12, 12:36 AM CDT | River Flood Warning | MKX | 21 days |
| Sep 12, 4:03 AM CDT | Areal Flood Advisory | MKX | 5 hr |
| Sep 12, 5:54 AM CDT | River Flood Warning | MKX | 49 hr |
| Sep 12, 8:53 AM CDT | Areal Flood Advisory | MKX | 9 hr |
| Sep 20, 12:53 PM CDT | Beach Hazards Statement | MKX | 6 hr |
| Sep 20, 1:10 PM CDT | Mesoscale Discussion | SPC | 65 min |
| Sep 20, 2:49 PM CDT | Special Weather Statement | MKX | 56 min |
| Sep 22, 3:22 AM CDT | Beach Hazards Statement | MKX | 22 hr |
| Sep 25, 5:59 PM CDT | Severe Thunderstorm Warning | MKX | 46 min |
| Sep 28, 1:53 PM CDT | Frost Advisory | MKX | 18 hr |
| Oct 7, 2:26 AM CDT | Freeze Warning | MKX | 30 hr |
| Oct 11, 3:02 AM CDT | Dense Fog Advisory | MKX | 5 hr |
| Oct 12, 11:49 AM CDT | Severe Thunderstorm Warning | MKX | 5 min |
| Oct 12, 12:02 PM CDT | Severe Thunderstorm Warning | MKX | 43 min |
| Oct 12, 12:10 PM CDT | Tornado Warning | MKX | 35 min |
| Oct 13, 2:31 PM CDT | Frost Advisory | MKX | 13 hr |
| Oct 14, 3:02 PM CDT | Freeze Warning | MKX | 18 hr |
| Oct 15, 2:36 PM CDT | Freeze Watch | MKX | 13 hr |
| Oct 16, 3:37 AM CDT | Freeze Warning | MKX | 29 hr |
| Oct 28, 11:33 PM CDT | Dense Fog Advisory | MKX | 9 hr |
| Nov 4, 2:42 AM CDT | Wind Advisory | MKX | 42 hr |
| Nov 4, 2:05 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Nov 4, 3:24 PM CDT | Severe Thunderstorm Warning | MKX | 21 min |
| Nov 5, 3:20 AM CDT | High Wind Warning | MKX | 17 hr |
| Nov 5, 9:51 AM CDT | Mesoscale Discussion | SPC | 114 min |
| Nov 5, 11:49 AM CDT | Severe Thunderstorm Warning | MKX | 53 min |
| Nov 15, 12:37 PM CST | Winter Weather Advisory | MKX | 5 hr |
| Dec 2, 10:38 AM CST | Wind Advisory | MKX | 22 hr |
| Dec 6, 9:24 PM CST | Dense Fog Advisory | MKX | 13 hr |
| Dec 8, 3:07 AM CST | Winter Weather Advisory | MKX | 36 hr |
| Dec 19, 2:44 PM CST | Winter Storm Watch | MKX | 48 hr |
| Dec 21, 2:44 AM CST | Winter Weather Advisory | MKX | 12 hr |
| Dec 21, 2:27 PM CST | Winter Storm Warning | MKX | 47 hr |
| Dec 23, 1:38 PM CST | Winter Weather Advisory | MKX | 13 hr |
| Dec 24, 2:44 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.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 10 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 5 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 10 |
| Special Weather Statement | 8 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 2 |
| River Flood Warning | 2 |
| Flood Watch | 2 |
| Areal Flood Advisory | 9 |
| Winter | |
| Snow Squall Warning | 2 |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 10 |
| Heat | |
| Heat Advisory | 3 |
| Cold | |
| Freeze Warning | 3 |
| Freeze Watch | 1 |
| Frost Advisory | 2 |
| Wind Chill Advisory | 2 |
| Wind and dust | |
| High Wind Warning | 2 |
| Wind Advisory | 7 |
| Fog and smoke | |
| Dense Fog Advisory | 9 |
| Coast and beach | |
| Beach Hazards Statement | 11 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20212023
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.