Alert archive / Wisconsin / Clark County
Weather alerts in Clark County, Wisconsin, 2014
115 weather alerts in 2014, 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 2014. Tap one for its archive.
- Alerts
- 115
- Warnings
- 20
- Watches
- 12
- Advisories
- 48
- Busiest month
- January17 alerts
- Busiest day
- September 4, 20149 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, 2014
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 11 | 4 | 64% | 8 | 25% | 16 min |
| Flash flood warnings | 1 | 1 | 0% | 0 |
Each office's whole area, 2014
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS La Crosse, WI: tornado warnings | 5 | 1 | 80% | 1 | 100% | 1 min |
| NWS La Crosse, WI: severe thunderstorm warnings | 137 | 84 | 39% | 219 | 81% | 23 min |
| NWS La Crosse, WI: flash flood warnings | 19 | 12 | 37% | 35 | 89% | 102 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 3, 4:29 AM CST | Wind Chill Warning | ARX | 4 days |
| Jan 3, 10:12 AM CST | Winter Weather Advisory | ARX | 22 hr |
| Jan 4, 8:30 AM CST | Freezing Rain Advisory | ARX | 4 hr |
| Jan 7, 3:06 AM CST | Wind Chill Advisory | ARX | 30 hr |
| Jan 8, 3:12 PM CST | Wind Chill Advisory | ARX | 19 hr |
| Jan 9, 3:13 PM CST | Winter Weather Advisory | ARX | 39 hr |
| Jan 13, 3:58 AM CST | Winter Weather Advisory | ARX | 41 hr |
| Jan 14, 3:38 AM CST | Winter Storm Warning | ARX | 20 hr |
| Jan 14, 5:53 AM CST | Mesoscale Discussion | SPC | 4 hr |
| Jan 20, 3:12 AM CST | Wind Chill Advisory | ARX | 33 hr |
| Jan 22, 3:34 AM CST | Wind Chill Advisory | ARX | 50 hr |
| Jan 25, 3:36 PM CST | Wind Chill Watch | ARX | 13 hr |
| Jan 26, 4:16 AM CST | Wind Chill Warning | ARX | 56 hr |
| Jan 26, 6:04 AM CST | Winter Weather Advisory | ARX | 20 hr |
| Jan 28, 2:38 AM CST | Wind Chill Advisory | ARX | 31 hr |
| Jan 29, 2:58 PM CST | Winter Weather Advisory | ARX | 27 hr |
| Jan 30, 3:19 AM CST | Wind Chill Advisory | ARX | 31 hr |
| Feb 1, 2:32 PM CST | Wind Chill Advisory | ARX | 19 hr |
| Feb 5, 3:42 AM CST | Wind Chill Advisory | ARX | 32 hr |
| Feb 6, 11:41 AM CST | Wind Chill Advisory | ARX | 21 hr |
| Feb 9, 3:00 AM CST | Wind Chill Advisory | ARX | 32 hr |
| Feb 15, 8:24 PM CST | Winter Storm Watch | ARX | 7 hr |
| Feb 16, 3:10 AM CST | Winter Storm Warning | ARX | 39 hr |
| Feb 18, 4:13 AM CST | Winter Storm Watch | ARX | 35 hr |
| Feb 19, 4:47 AM CST | Winter Storm Warning | ARX | 55 hr |
| Feb 19, 4:47 AM CST | Winter Weather Advisory | ARX | 61 hr |
| Feb 25, 3:42 AM CST | Wind Chill Advisory | ARX | 31 hr |
| Feb 25, 3:00 PM CST | Winter Weather Advisory | ARX | 36 hr |
| Feb 26, 3:13 PM CST | Wind Chill Advisory | ARX | 21 hr |
| Feb 27, 3:09 PM CST | Wind Chill Advisory | ARX | 18 hr |
| Mar 1, 3:08 PM CST | Wind Chill Advisory | ARX | 21 hr |
| Mar 2, 11:56 AM CST | Wind Chill Advisory | ARX | 21 hr |
| Mar 7, 8:47 AM CST | Winter Weather Advisory | ARX | 3 hr |
| Mar 24, 5:57 PM CDT | Special Weather Statement | ARX | 2 hr |
| Mar 30, 10:34 AM CDT | Flood Watch | ARX | 48 hr |
| Apr 2, 4:08 AM CDT | Winter Storm Watch | ARX | 32 hr |
| Apr 3, 12:10 PM CDT | Winter Storm Warning | ARX | 29 hr |
| Apr 4, 4:37 AM CDT | Mesoscale Discussion | SPC | 6 hr |
| Apr 15, 3:31 PM CDT | Winter Weather Advisory | ARX | 39 hr |
| May 7, 5:21 AM CDT | Special Weather Statement | ARX | 24 min |
| May 7, 5:27 AM CDT | Severe Thunderstorm Warning | ARX | 63 min |
| May 7, 6:00 AM CDT | Severe Thunderstorm Warning | ARX | 45 min |
| May 8, 7:48 PM CDT | Mesoscale Discussion | SPC | 87 min |
| May 8, 7:51 PM CDT | Special Weather Statement | ARX | 39 min |
| May 11, 3:39 PM CDT | Flood Watch | ARX | 6 hr |
| May 11, 9:24 PM CDT | Flash Flood Watch | ARX | 22 hr |
| May 15, 8:50 PM CDT | Frost Advisory | ARX | 10 hr |
| May 16, 2:24 PM CDT | Frost Advisory | ARX | 17 hr |
| May 19, 7:09 PM CDT | Areal Flood Advisory | ARX | 5 hr |
| Jun 1, 2:43 PM CDT | Flash Flood Watch | ARX | 13 hr |
| Jun 7, 10:34 AM CDT | Special Weather Statement | ARX | 41 min |
| Jun 18, 12:04 AM CDT | Special Weather Statement | ARX | 26 min |
| Jun 18, 12:21 AM CDT | Severe Thunderstorm Warning | ARX | 24 min |
| Jun 18, 2:07 AM CDT | Special Weather Statement | ARX | 23 min |
| Jun 18, 4:01 AM CDT | Flash Flood Warning | ARX | 6 hr |
| Jun 22, 3:59 AM CDT | Flash Flood Watch | ARX | 16 hr |
| Jun 24, 5:10 PM CDT | Special Weather Statement | ARX | 20 min |
| Jun 27, 4:26 PM CDT | Special Weather Statement | ARX | 34 min |
| Jun 27, 4:28 PM CDT | Special Weather Statement | ARX | 32 min |
| Jun 27, 4:37 PM CDT | Severe Thunderstorm Warning | ARX | 68 min |
| Jul 6, 4:44 PM CDT | Mesoscale Discussion | SPC | 61 min |
| Jul 6, 5:33 PM CDT | Special Weather Statement | ARX | 117 min |
| Jul 7, 1:53 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Jul 7, 2:22 PM CDT | Special Weather Statement | ARX | 53 min |
| Jul 7, 4:04 PM CDT | Severe Thunderstorm Warning | ARX | 71 min |
| Jul 7, 6:55 PM CDT | Special Weather Statement | ARX | 110 min |
| Jul 26, 11:10 PM CDT | Special Weather Statement | ARX | 65 min |
| Jul 26, 11:38 PM CDT | Severe Thunderstorm Warning | ARX | 22 min |
| Jul 27, 10:46 AM CDT | Special Weather Statement | ARX | 74 min |
| Jul 29, 3:36 PM CDT | Mesoscale Discussion | SPC | 54 min |
| Jul 31, 4:18 PM CDT | Severe Thunderstorm Warning | ARX | 27 min |
| Jul 31, 5:56 PM CDT | Severe Thunderstorm Warning | ARX | 34 min |
| Jul 31, 11:42 PM CDT | Special Weather Statement | ARX | 48 min |
| Aug 1, 6:45 PM CDT | Special Weather Statement | ARX | 30 min |
| Aug 3, 7:26 PM CDT | Special Weather Statement | ARX | 34 min |
| Aug 18, 2:57 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Aug 19, 4:05 AM CDT | Dense Fog Advisory | ARX | 3 hr |
| Aug 21, 9:04 AM CDT | Mesoscale Discussion | SPC | 86 min |
| Aug 22, 3:50 AM CDT | Dense Fog Advisory | ARX | 6 hr |
| Aug 23, 4:34 AM CDT | Dense Fog Advisory | ARX | 5 hr |
| Aug 25, 1:58 AM CDT | Severe Thunderstorm Warning | ARX | 31 min |
| Aug 25, 3:23 AM CDT | Severe Thunderstorm Warning | ARX | 52 min |
| Aug 29, 2:38 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 29, 6:26 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 1, 12:25 AM CDT | Special Weather Statement | ARX | 80 min |
| Sep 3, 8:00 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Sep 3, 8:22 PM CDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Sep 3, 9:09 PM CDT | Special Weather Statement | ARX | 81 min |
| Sep 3, 9:40 PM CDT | Severe Thunderstorm Warning | ARX | 74 min |
| Sep 3, 10:41 PM CDT | Mesoscale Discussion | SPC | 79 min |
| Sep 3, 11:36 PM CDT | Special Weather Statement | ARX | 54 min |
| Sep 4, 10:25 AM CDT | Mesoscale Discussion | SPC | 65 min |
| Sep 4, 2:59 PM CDT | Areal Flood Advisory | ARX | 3 hr |
| Sep 4, 5:04 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Sep 9, 3:38 AM CDT | Flash Flood Watch | ARX | 28 hr |
| Sep 12, 2:26 PM CDT | Frost Advisory | ARX | 18 hr |
| Sep 15, 2:59 PM CDT | Frost Advisory | ARX | 17 hr |
| Sep 20, 7:25 PM CDT | Mesoscale Discussion | SPC | 65 min |
| Oct 4, 2:33 PM CDT | Freeze Warning | ARX | 17 hr |
| Oct 16, 4:18 AM CDT | Dense Fog Advisory | ARX | 6 hr |
| Oct 23, 3:08 PM CDT | Dense Fog Advisory | ARX | 21 hr |
| Nov 8, 3:06 PM CST | Winter Storm Watch | ARX | 23 hr |
| Nov 9, 4:00 AM CST | Winter Storm Warning | ARX | 56 hr |
| Nov 9, 2:23 PM CST | Winter Weather Advisory | ARX | 46 hr |
| Nov 22, 4:35 PM CST | Dense Fog Advisory | ARX | 34 hr |
| Nov 23, 2:53 PM CST | Winter Weather Advisory | ARX | 31 hr |
| Nov 28, 4:23 PM CST | Freezing Rain Advisory | ARX | 5 hr |
| Nov 29, 5:27 AM CST | Dense Fog Advisory | ARX | 7 hr |
| Nov 30, 3:35 AM CST | Wind Chill Advisory | ARX | 30 hr |
| Dec 12, 5:40 AM CST | Freezing Fog Advisory | ARX | 4 hr |
| Dec 13, 2:58 AM CST | Dense Fog Advisory | ARX | 63 hr |
| Dec 22, 4:28 AM CST | Winter Weather Advisory | ARX | 34 hr |
| Dec 26, 3:59 AM CST | Winter Weather Advisory | ARX | 31 hr |
| Dec 29, 3:27 AM CST | Wind Chill Advisory | ARX | 32 hr |
| Dec 30, 2:02 PM CST | Wind Chill Advisory | ARX | 20 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 archive20132015
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.