Alert archive / Wisconsin / Clark County
Weather alerts in Clark County, Wisconsin, 2022
87 weather alerts in 2022, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Clark County and its neighbors
Each county as a circle sized by its count in 2022. Tap one for its archive.
- Alerts
- 87
- Warnings
- 14
- Watches
- 11
- Advisories
- 31
- Busiest month
- May18 alerts
- Busiest day
- May 10, 20226 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Clark County, 2022
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 5 | 2 | 60% | 1 | 100% | 27 min |
| Flash flood warnings | 2 | 2 | 0% | 3 | 100% | 49 min |
Each office's whole area, 2022
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS La Crosse, WI: tornado warnings | 21 | 7 | 67% | 19 | 53% | 11 min |
| NWS La Crosse, WI: severe thunderstorm warnings | 129 | 66 | 49% | 218 | 70% | 22 min |
| NWS La Crosse, WI: flash flood warnings | 9 | 5 | 44% | 10 | 60% | 65 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, 3:18 AM CST | Winter Weather Advisory | ARX | 39 hr |
| Jan 6, 2:39 AM CST | Wind Chill Advisory | ARX | 30 hr |
| Jan 9, 2:52 PM CST | Wind Chill Advisory | ARX | 21 hr |
| Jan 19, 2:29 AM CST | Wind Chill Advisory | ARX | 34 hr |
| Jan 20, 11:55 AM CST | Wind Chill Advisory | ARX | 24 hr |
| Jan 24, 3:14 AM CST | Wind Chill Advisory | ARX | 57 hr |
| Feb 2, 3:59 AM CST | Wind Chill Advisory | ARX | 29 hr |
| Feb 18, 2:54 AM CST | Wind Advisory | ARX | 24 hr |
| Feb 18, 2:55 AM CST | Winter Weather Advisory | ARX | 24 hr |
| Feb 18, 3:34 PM CST | Snow Squall Warning | ARX | 26 min |
| Feb 19, 2:48 AM CST | Wind Chill Advisory | ARX | 6 hr |
| Feb 20, 3:12 PM CST | Winter Weather Advisory | ARX | 51 hr |
| Feb 22, 11:12 AM CST | Mesoscale Discussion | SPC | 4 hr |
| Mar 4, 3:45 AM CST | Winter Weather Advisory | ARX | 29 hr |
| Mar 4, 4:01 PM CST | Ice Storm Warning | ARX | 20 hr |
| Mar 5, 2:09 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Mar 5, 8:04 PM CST | Special Weather Statement | ARX | 41 min |
| Mar 5, 9:34 PM CST | Areal Flood Advisory | ARX | 3 hr |
| Mar 11, 2:37 PM CST | Wind Chill Advisory | ARX | 18 hr |
| Mar 14, 11:17 PM CDT | Dense Fog Advisory | ARX | 12 hr |
| Mar 29, 3:47 AM CDT | Winter Weather Advisory | ARX | 30 hr |
| Mar 29, 9:28 PM CDT | Mesoscale Discussion | SPC | 4 hr |
| Apr 13, 2:30 PM CDT | Wind Advisory | ARX | 29 hr |
| May 9, 7:48 PM CDT | Mesoscale Discussion | SPC | 87 min |
| May 9, 8:17 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 9, 8:18 PM CDT | Severe Thunderstorm Warning | ARX | 57 min |
| May 9, 9:15 PM CDT | Severe Thunderstorm Warning | ARX | 45 min |
| May 10, 2:19 PM CDT | Tornado Watch | SPC | 7 hr |
| May 10, 6:45 PM CDT | Mesoscale Discussion | SPC | 90 min |
| May 11, 5:27 PM CDT | Tornado Watch | SPC | 7 hr |
| May 11, 9:44 PM CDT | Mesoscale Discussion | SPC | 91 min |
| May 11, 11:22 PM CDT | Special Weather Statement | ARX | 83 min |
| May 18, 5:50 PM CDT | Mesoscale Discussion | SPC | 55 min |
| May 18, 8:42 PM CDT | Severe Thunderstorm Warning | ARX | 33 min |
| May 18, 9:03 PM CDT | Special Weather Statement | ARX | 72 min |
| May 18, 9:13 PM CDT | Mesoscale Discussion | SPC | 62 min |
| May 19, 3:20 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 19, 4:54 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 19, 7:38 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 22, 2:52 PM CDT | Frost Advisory | ARX | 17 hr |
| May 29, 10:02 AM CDT | Mesoscale Discussion | SPC | 88 min |
| Jun 13, 3:36 AM CDT | Heat Advisory | ARX | 40 hr |
| Jun 15, 2:43 AM CDT | Severe Thunderstorm Warning | ARX | 32 min |
| Jun 15, 2:28 PM CDT | Tornado Watch | SPC | 10 hr |
| Jun 19, 2:53 PM CDT | Heat Advisory | ARX | 30 hr |
| Jun 28, 12:49 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Jun 28, 1:41 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 28, 5:09 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Jul 11, 1:05 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Jul 11, 2:43 PM CDT | Special Weather Statement | ARX | 62 min |
| Jul 11, 3:35 PM CDT | Special Weather Statement | ARX | 55 min |
| Jul 11, 4:37 PM CDT | Special Weather Statement | ARX | 53 min |
| Jul 15, 1:27 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 15, 4:10 AM CDT | Flash Flood Warning | ARX | 5 hr |
| Jul 15, 5:07 AM CDT | Flash Flood Warning | ARX | 4 hr |
| Jul 15, 9:07 AM CDT | Areal Flood Warning | ARX | 3 hr |
| Jul 16, 3:40 AM CDT | Dense Fog Advisory | ARX | 5 hr |
| Jul 23, 11:34 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 2, 6:12 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 2, 8:03 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 2, 10:01 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Aug 3, 2:03 AM CDT | Severe Thunderstorm Warning | ARX | 57 min |
| Aug 15, 4:22 AM CDT | Dense Fog Advisory | ARX | 6 hr |
| Sep 2, 4:58 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 10, 10:53 PM CDT | Dense Fog Advisory | ARX | 8 hr |
| Sep 18, 9:23 PM CDT | Dense Fog Advisory | ARX | 12 hr |
| Sep 20, 12:19 AM CDT | Mesoscale Discussion | SPC | 86 min |
| Sep 20, 5:04 AM CDT | Areal Flood Advisory | ARX | 116 min |
| Sep 20, 8:31 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Sep 20, 9:48 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Sep 20, 10:51 PM CDT | Special Weather Statement | ARX | 54 min |
| Sep 22, 2:37 PM CDT | Frost Advisory | ARX | 17 hr |
| Sep 25, 2:20 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 25, 2:30 PM CDT | Special Weather Statement | ARX | 45 min |
| Sep 26, 2:22 PM CDT | Frost Advisory | ARX | 19 hr |
| Sep 27, 1:51 PM CDT | Freeze Warning | ARX | 18 hr |
| Nov 10, 11:47 AM CST | Mesoscale Discussion | SPC | 88 min |
| Dec 12, 3:18 AM CST | Winter Storm Watch | ARX | 35 hr |
| Dec 13, 2:49 AM CST | Winter Weather Advisory | ARX | 39 hr |
| Dec 14, 3:18 AM CST | Winter Storm Warning | ARX | 30 hr |
| Dec 14, 9:30 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Dec 19, 2:34 PM CST | Winter Storm Watch | ARX | 24 hr |
| Dec 20, 2:48 PM CST | Winter Storm Warning | ARX | 4 days |
| Dec 21, 11:13 AM CST | Blizzard Warning | ARX | 67 hr |
| Dec 23, 1:19 PM CST | Winter Weather Advisory | ARX | 23 hr |
| Dec 24, 3:27 AM CST | Wind Chill Advisory | ARX | 31 hr |
| Dec 29, 6:47 PM CST | Dense Fog Advisory | ARX | 8 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 | 5 |
| Severe Thunderstorm Watch | 6 |
| Tornado Watch | 3 |
| Mesoscale Discussion | 23 |
| Special Weather Statement | 8 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 2 |
| Areal Flood Advisory | 2 |
| Winter | |
| Blizzard Warning | 1 |
| Ice Storm Warning | 1 |
| Snow Squall Warning | 1 |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 2 |
| Winter Weather Advisory | 7 |
| Heat | |
| Heat Advisory | 2 |
| Cold | |
| Freeze Warning | 1 |
| Frost Advisory | 3 |
| Wind Chill Advisory | 9 |
| Wind and dust | |
| Wind Advisory | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 6 |
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.