Alert archive / Wisconsin / Vernon County
Weather alerts in Vernon County, Wisconsin, 2016
144 weather alerts in 2016, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Vernon County and its neighbors
Each county as a circle sized by its count in 2016. Tap one for its archive.
- Alerts
- 144
- Warnings
- 41
- Watches
- 21
- Advisories
- 30
- Busiest month
- September41 alerts
- Busiest day
- September 21, 201610 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
0 of 1 tornado warnings covering Vernon County in 2016 had a tornado report inside them.
Vernon County, 2016
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 12 | 9 | 25% | 7 | 29% | 14 min |
| Flash flood warnings | 7 | 6 | 14% | 9 | 89% | 163 min |
Each office's whole area, 2016
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS La Crosse, WI: tornado warnings | 11 | 2 | 82% | 6 | 50% | 8 min |
| NWS La Crosse, WI: severe thunderstorm warnings | 92 | 59 | 36% | 240 | 76% | 24 min |
| NWS La Crosse, WI: flash flood warnings | 59 | 42 | 29% | 188 | 88% | 122 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, 5:17 AM CST | Dense Fog Advisory | ARX | 16 hr |
| Jan 9, 3:25 AM CST | Wind Chill Advisory | ARX | 35 hr |
| Jan 11, 3:01 AM CST | Wind Chill Advisory | ARX | 33 hr |
| Jan 16, 4:12 AM CST | Wind Chill Advisory | ARX | 56 hr |
| Jan 24, 3:03 PM CST | Winter Weather Advisory | ARX | 39 hr |
| Jan 31, 3:44 AM CST | Winter Storm Watch | ARX | 24 hr |
| Feb 1, 4:07 AM CST | Winter Storm Warning | ARX | 50 hr |
| Feb 1, 3:21 PM CST | Dense Fog Advisory | ARX | 12 hr |
| Feb 2, 11:35 AM CST | Mesoscale Discussion | SPC | 5 hr |
| Feb 2, 3:38 PM CST | Winter Weather Advisory | ARX | 17 hr |
| Feb 12, 3:09 AM CST | Wind Chill Advisory | ARX | 30 hr |
| Feb 18, 3:10 PM CST | Wind Advisory | ARX | 27 hr |
| Feb 29, 3:34 AM CST | Winter Weather Advisory | ARX | 29 hr |
| Feb 29, 8:49 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Mar 15, 3:32 AM CDT | High Wind Watch | ARX | 11 hr |
| Mar 15, 2:58 PM CDT | High Wind Warning | ARX | 28 hr |
| Mar 15, 2:58 PM CDT | Wind Advisory | ARX | 28 hr |
| Mar 21, 3:45 PM CDT | Winter Storm Watch | ARX | 36 hr |
| Mar 22, 3:27 PM CDT | Winter Storm Warning | ARX | 44 hr |
| Mar 23, 4:04 AM CDT | Winter Weather Advisory | ARX | 31 hr |
| Mar 23, 7:15 PM CDT | Mesoscale Discussion | SPC | 6 hr |
| Apr 1, 2:48 PM CDT | Wind Advisory | ARX | 25 hr |
| May 3, 8:44 PM CDT | Special Weather Statement | ARX | 61 min |
| May 4, 2:57 AM CDT | Frost Advisory | ARX | 28 hr |
| May 14, 3:15 AM CDT | Frost Advisory | ARX | 29 hr |
| May 14, 3:15 AM CDT | Freeze Warning | ARX | 29 hr |
| May 17, 2:57 PM CDT | Frost Advisory | ARX | 17 hr |
| May 25, 1:16 PM CDT | Severe Thunderstorm Warning | ARX | 30 min |
| May 25, 2:14 PM CDT | Severe Thunderstorm Warning | ARX | 46 min |
| May 25, 2:17 PM CDT | Mesoscale Discussion | SPC | 118 min |
| May 26, 4:40 AM CDT | Special Weather Statement | ARX | 65 min |
| May 26, 5:28 AM CDT | Severe Thunderstorm Warning | ARX | 47 min |
| May 28, 1:37 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 28, 5:33 PM CDT | Mesoscale Discussion | SPC | 57 min |
| May 29, 7:28 PM CDT | Special Weather Statement | ARX | 32 min |
| Jun 10, 2:54 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Jun 10, 3:19 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 10, 5:51 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Jun 10, 6:48 PM CDT | Special Weather Statement | ARX | 117 min |
| Jun 14, 10:41 AM CDT | Flash Flood Watch | ARX | 12 hr |
| Jun 14, 3:49 PM CDT | Mesoscale Discussion | SPC | 56 min |
| Jun 14, 4:03 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 14, 6:24 PM CDT | Mesoscale Discussion | SPC | 66 min |
| Jun 14, 8:36 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Jun 17, 6:04 AM CDT | Special Weather Statement | ARX | 86 min |
| Jun 22, 9:06 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Jun 25, 11:51 PM CDT | Special Weather Statement | ARX | 54 min |
| Jun 26, 12:09 AM CDT | Severe Thunderstorm Warning | ARX | 51 min |
| Jun 26, 12:39 AM CDT | Severe Thunderstorm Warning | ARX | 40 min |
| Jun 26, 1:26 AM CDT | Special Weather Statement | ARX | 64 min |
| Jun 30, 1:29 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 30, 3:28 PM CDT | Severe Thunderstorm Warning | ARX | 47 min |
| Jul 5, 6:05 PM CDT | Special Weather Statement | ARX | 55 min |
| Jul 5, 8:38 PM CDT | Mesoscale Discussion | SPC | 67 min |
| Jul 5, 9:49 PM CDT | Severe Thunderstorm Warning | ARX | 56 min |
| Jul 5, 9:50 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 5, 10:31 PM CDT | Tornado Warning | ARX | 29 min |
| Jul 5, 10:45 PM CDT | Severe Thunderstorm Warning | ARX | 45 min |
| Jul 5, 10:46 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Jul 7, 4:29 AM CDT | Special Weather Statement | ARX | 61 min |
| Jul 7, 4:49 AM CDT | Severe Thunderstorm Warning | ARX | 41 min |
| Jul 17, 4:25 AM CDT | Special Weather Statement | ARX | 80 min |
| Jul 18, 3:03 PM CDT | Excessive Heat Watch | ARX | 44 hr |
| Jul 19, 4:00 AM CDT | Flash Flood Watch | ARX | 24 hr |
| Jul 20, 11:32 AM CDT | Excessive Heat Warning | ARX | 55 hr |
| Jul 21, 3:20 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Jul 21, 5:57 PM CDT | Special Weather Statement | ARX | 18 min |
| Jul 21, 6:21 PM CDT | Special Weather Statement | ARX | 24 min |
| Jul 21, 8:17 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Jul 23, 8:54 AM CDT | Special Weather Statement | ARX | 36 min |
| Jul 23, 8:58 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 27, 5:15 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Aug 4, 12:15 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 4, 3:31 PM CDT | Severe Thunderstorm Warning | ARX | 44 min |
| Aug 4, 4:09 PM CDT | Severe Thunderstorm Warning | ARX | 51 min |
| Aug 4, 4:44 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 4, 4:48 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Aug 11, 4:05 AM CDT | Flash Flood Watch | ARX | 24 hr |
| Aug 16, 10:21 PM CDT | Special Weather Statement | ARX | 39 min |
| Aug 18, 5:48 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Aug 18, 6:04 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Aug 18, 6:25 PM CDT | Special Weather Statement | ARX | 50 min |
| Aug 18, 7:13 PM CDT | Special Weather Statement | ARX | 62 min |
| Aug 18, 7:41 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Aug 24, 1:26 AM CDT | Flash Flood Watch | ARX | 8 hr |
| Aug 28, 3:33 AM CDT | Dense Fog Advisory | ARX | 6 hr |
| Sep 5, 3:20 PM CDT | Flood Watch | ARX | 52 hr |
| Sep 6, 2:22 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 6, 5:18 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Sep 6, 8:16 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Sep 7, 3:35 AM CDT | Flash Flood Warning | ARX | 4 hr |
| Sep 7, 6:38 AM CDT | River Flood Warning | ARX | 3 days |
| Sep 7, 6:51 AM CDT | River Flood Warning | ARX | 57 hr |
| Sep 7, 7:27 AM CDT | Flash Flood Warning | ARX | 3 hr |
| Sep 7, 10:14 AM CDT | Areal Flood Warning | ARX | 6 hr |
| Sep 7, 3:37 PM CDT | Areal Flood Warning | ARX | 12 hr |
| Sep 9, 11:41 AM CDT | Flash Flood Watch | ARX | 7 hr |
| Sep 9, 1:02 PM CDT | Flash Flood Warning | ARX | 3 hr |
| Sep 9, 3:01 PM CDT | River Flood Warning | ARX | 66 hr |
| Sep 16, 10:42 AM CDT | Special Weather Statement | ARX | 63 min |
| Sep 19, 1:58 PM CDT | Special Weather Statement | ARX | 62 min |
| Sep 19, 2:19 PM CDT | Mesoscale Discussion | SPC | 26 min |
| Sep 19, 2:26 PM CDT | Special Weather Statement | ARX | 64 min |
| Sep 19, 2:42 PM CDT | Severe Thunderstorm Warning | ARX | 32 min |
| Sep 19, 5:07 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Sep 20, 1:42 AM CDT | Dense Fog Advisory | ARX | 8 hr |
| Sep 20, 10:21 AM CDT | Flash Flood Watch | ARX | 67 hr |
| Sep 20, 8:01 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Sep 20, 9:34 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Sep 20, 11:26 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 21, 1:25 AM CDT | Special Weather Statement | ARX | 110 min |
| Sep 21, 1:33 AM CDT | Mesoscale Discussion | SPC | 117 min |
| Sep 21, 2:23 AM CDT | Special Weather Statement | ARX | 67 min |
| Sep 21, 6:44 AM CDT | Flash Flood Warning | ARX | 6 hr |
| Sep 21, 10:27 AM CDT | River Flood Warning | ARX | 4 days |
| Sep 21, 10:27 AM CDT | River Flood Warning | ARX | 5 days |
| Sep 21, 6:01 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 22, 12:48 AM CDT | Flash Flood Warning | ARX | 6 hr |
| Sep 22, 2:38 AM CDT | River Flood Warning | ARX | 43 hr |
| Sep 22, 4:21 AM CDT | River Flood Warning | ARX | 29 hr |
| Sep 22, 6:51 AM CDT | Flash Flood Warning | ARX | 3 hr |
| Sep 22, 9:38 AM CDT | Flash Flood Warning | ARX | 3 hr |
| Sep 22, 12:58 PM CDT | Areal Flood Warning | ARX | 21 hr |
| Sep 22, 9:44 PM CDT | River Flood Warning | ARX | 6 days |
| Sep 23, 10:01 AM CDT | Areal Flood Warning | ARX | 12 hr |
| Sep 23, 9:57 PM CDT | Areal Flood Warning | ARX | 12 hr |
| Sep 24, 2:22 PM CDT | Flash Flood Watch | ARX | 17 hr |
| Oct 7, 3:30 AM CDT | Frost Advisory | ARX | 30 hr |
| Oct 8, 2:12 PM CDT | Frost Advisory | ARX | 18 hr |
| Oct 12, 3:24 AM CDT | Freeze Warning | ARX | 30 hr |
| Oct 13, 2:03 PM CDT | Frost Advisory | ARX | 19 hr |
| Oct 20, 3:17 PM CDT | Frost Advisory | ARX | 17 hr |
| Nov 17, 3:07 PM CST | Wind Advisory | ARX | 45 hr |
| Dec 3, 2:39 PM CST | Winter Weather Advisory | ARX | 27 hr |
| Dec 9, 11:13 AM CST | Winter Weather Advisory | ARX | 54 hr |
| Dec 10, 1:55 PM CST | Winter Storm Warning | ARX | 24 hr |
| Dec 10, 11:32 PM CST | Mesoscale Discussion | SPC | 4 hr |
| Dec 14, 3:30 AM CST | Wind Chill Advisory | ARX | 30 hr |
| Dec 14, 3:30 AM CST | Winter Storm Watch | ARX | 31 hr |
| Dec 15, 4:02 AM CST | Winter Storm Warning | ARX | 62 hr |
| Dec 17, 9:56 AM CST | Wind Chill Advisory | ARX | 47 hr |
| Dec 22, 2:12 PM CST | Winter Weather Advisory | ARX | 31 hr |
| Dec 24, 3:39 AM CST | Freezing Rain Advisory | ARX | 43 hr |
| Dec 25, 3:49 PM CST | Wind Advisory | ARX | 26 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 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.