Alert archive / Wisconsin / Grant County
Weather alerts in Grant County, Wisconsin, 2013
150 weather alerts in 2013, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Grant County and its neighbors
Each county as a circle sized by its count in 2013. Tap one for its archive.
- Alerts
- 150
- Warnings
- 46
- Watches
- 24
- Advisories
- 43
- Busiest month
- June40 alerts
- Busiest day
- May 30, 201311 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 6 tornado warnings covering Grant County in 2013 had a tornado report inside them.
Grant County, 2013
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 6 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 16 | 10 | 38% | 12 | 58% | 19 min |
| Flash flood warnings | 9 | 7 | 22% | 15 | 100% | 88 min |
Each office's whole area, 2013
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS La Crosse, WI: tornado warnings | 21 | 0 | 100% | 6 | 0% | |
| NWS La Crosse, WI: severe thunderstorm warnings | 123 | 66 | 46% | 194 | 67% | 23 min |
| NWS La Crosse, WI: flash flood warnings | 39 | 28 | 28% | 113 | 82% | 109 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 10, 2:38 PM CST | Dense Fog Advisory | ARX | 33 hr |
| Jan 18, 2:37 PM CST | Wind Advisory | ARX | 33 hr |
| Jan 20, 3:36 AM CST | Wind Chill Advisory | ARX | 56 hr |
| Jan 26, 4:05 AM CST | Winter Storm Watch | ARX | 11 hr |
| Jan 26, 3:19 PM CST | Winter Storm Warning | ARX | 31 hr |
| Jan 27, 6:40 AM CST | Mesoscale Discussion | SPC | 5 hr |
| Jan 27, 11:48 AM CST | Mesoscale Discussion | SPC | 4 hr |
| Jan 27, 9:54 PM CST | Winter Weather Advisory | ARX | 5 hr |
| Jan 28, 2:54 AM CST | Dense Fog Advisory | ARX | 30 hr |
| Jan 28, 9:59 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Jan 29, 4:38 AM CST | Winter Storm Watch | ARX | 9 hr |
| Jan 29, 5:51 AM CST | Areal Flood Advisory | ARX | 3 hr |
| Jan 29, 8:19 AM CST | Areal Flood Advisory | ARX | 5 hr |
| Jan 29, 9:33 AM CST | Areal Flood Warning | ARX | 9 hr |
| Jan 29, 1:21 PM CST | Flood Watch | ARX | 5 hr |
| Jan 29, 1:29 PM CST | Winter Storm Warning | ARX | 28 hr |
| Jan 30, 4:20 AM CST | Wind Chill Advisory | ARX | 56 hr |
| Feb 3, 3:28 AM CST | Winter Weather Advisory | ARX | 26 hr |
| Feb 6, 12:01 PM CST | Winter Weather Advisory | ARX | 36 hr |
| Feb 9, 3:06 PM CST | Winter Weather Advisory | ARX | 27 hr |
| Feb 10, 8:38 PM CST | Wind Advisory | ARX | 18 hr |
| Feb 19, 3:03 AM CST | Winter Storm Watch | ARX | 35 hr |
| Feb 20, 1:46 PM CST | Winter Weather Advisory | ARX | 52 hr |
| Feb 23, 3:18 PM CST | Freezing Fog Advisory | ARX | 16 hr |
| Feb 26, 11:19 AM CST | Winter Weather Advisory | ARX | 25 hr |
| Mar 2, 2:59 PM CST | Winter Storm Watch | ARX | 22 hr |
| Mar 3, 12:30 PM CST | Winter Storm Warning | ARX | 54 hr |
| Mar 9, 2:45 PM CST | Winter Storm Watch | ARX | 12 hr |
| Mar 9, 9:31 PM CST | Dense Fog Advisory | ARX | 11 hr |
| Mar 10, 4:08 AM CDT | Winter Weather Advisory | ARX | 24 hr |
| Mar 10, 4:31 AM CDT | Areal Flood Advisory | ARX | 11 hr |
| Mar 11, 3:28 AM CDT | Areal Flood Advisory | ARX | 6 hr |
| Mar 11, 10:17 AM CDT | Areal Flood Advisory | ARX | 6 hr |
| Mar 16, 6:18 AM CDT | Freezing Rain Advisory | ARX | 6 hr |
| Mar 17, 3:45 AM CDT | Winter Weather Advisory | ARX | 54 hr |
| Mar 31, 12:42 AM CDT | Dense Fog Advisory | ARX | 9 hr |
| Apr 8, 3:19 PM CDT | Flood Watch | ARX | 61 hr |
| Apr 9, 10:27 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Apr 9, 9:36 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Apr 16, 11:25 AM CDT | Flood Watch | ARX | 47 hr |
| Apr 18, 10:28 AM CDT | River Flood Warning | ARX | 5 days |
| Apr 18, 10:28 AM CDT | River Flood Warning | ARX | 7 days |
| Apr 29, 12:04 PM CDT | Severe Thunderstorm Warning | ARX | 41 min |
| Apr 29, 8:25 PM CDT | Severe Thunderstorm Warning | ARX | 65 min |
| Apr 29, 9:00 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 29, 10:21 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Apr 30, 1:05 AM CDT | Mesoscale Discussion | SPC | 55 min |
| May 3, 10:41 AM CDT | River Flood Warning | ARX | 10 days |
| May 12, 3:48 AM CDT | Frost Advisory | ARX | 27 hr |
| May 19, 7:46 PM CDT | Mesoscale Discussion | SPC | 59 min |
| May 19, 8:10 PM CDT | Tornado Watch | SPC | 6 hr |
| May 19, 10:58 PM CDT | Mesoscale Discussion | SPC | 62 min |
| May 19, 11:36 PM CDT | Severe Thunderstorm Warning | ARX | 39 min |
| May 20, 7:48 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 29, 11:44 AM CDT | Flash Flood Watch | ARX | 32 hr |
| May 29, 2:39 PM CDT | Mesoscale Discussion | SPC | 66 min |
| May 29, 2:56 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 29, 5:39 PM CDT | Severe Thunderstorm Warning | ARX | 51 min |
| May 29, 5:54 PM CDT | Mesoscale Discussion | SPC | 66 min |
| May 29, 6:08 PM CDT | Tornado Warning | ARX | 22 min |
| May 29, 6:30 PM CDT | Tornado Warning | ARX | 30 min |
| May 29, 6:33 PM CDT | Flash Flood Warning | ARX | 6 hr |
| May 29, 9:00 PM CDT | Mesoscale Discussion | SPC | 60 min |
| May 30, 12:03 AM CDT | Areal Flood Warning | ARX | 9 hr |
| May 30, 10:50 AM CDT | River Flood Warning | ARX | 72 hr |
| May 30, 11:20 AM CDT | Mesoscale Discussion | SPC | 115 min |
| May 30, 11:56 AM CDT | Tornado Watch | SPC | 7 hr |
| May 30, 1:33 PM CDT | Mesoscale Discussion | SPC | 57 min |
| May 30, 2:26 PM CDT | Tornado Warning | ARX | 49 min |
| May 30, 3:34 PM CDT | Mesoscale Discussion | SPC | 116 min |
| May 30, 5:06 PM CDT | Severe Thunderstorm Warning | ARX | 54 min |
| May 30, 5:44 PM CDT | Severe Thunderstorm Warning | ARX | 46 min |
| May 30, 5:58 PM CDT | Mesoscale Discussion | SPC | 62 min |
| May 31, 2:35 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| May 31, 8:45 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Jun 10, 4:47 AM CDT | Dense Fog Advisory | ARX | 4 hr |
| Jun 12, 12:49 PM CDT | Mesoscale Discussion | SPC | 56 min |
| Jun 12, 1:49 PM CDT | Tornado Watch | SPC | 9 hr |
| Jun 12, 3:55 PM CDT | Severe Thunderstorm Warning | ARX | 65 min |
| Jun 12, 4:05 PM CDT | Tornado Warning | ARX | 25 min |
| Jun 12, 4:06 PM CDT | Mesoscale Discussion | SPC | 54 min |
| Jun 12, 4:29 PM CDT | Tornado Warning | ARX | 46 min |
| Jun 12, 4:35 PM CDT | Severe Thunderstorm Warning | ARX | 55 min |
| Jun 12, 4:38 PM CDT | Tornado Warning | ARX | 37 min |
| Jun 12, 6:40 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Jun 21, 5:23 AM CDT | Mesoscale Discussion | SPC | 37 min |
| Jun 21, 5:40 AM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 21, 7:38 AM CDT | Severe Thunderstorm Warning | ARX | 52 min |
| Jun 21, 8:03 AM CDT | Severe Thunderstorm Warning | ARX | 42 min |
| Jun 21, 8:07 AM CDT | Mesoscale Discussion | SPC | 53 min |
| Jun 21, 8:17 AM CDT | Areal Flood Advisory | ARX | 2 hr |
| Jun 21, 8:31 AM CDT | Flash Flood Warning | ARX | 3 hr |
| Jun 21, 2:23 PM CDT | Flash Flood Watch | ARX | 22 hr |
| Jun 22, 1:56 AM CDT | Flash Flood Warning | ARX | 6 hr |
| Jun 22, 2:33 AM CDT | Mesoscale Discussion | SPC | 87 min |
| Jun 22, 6:21 AM CDT | Severe Thunderstorm Warning | ARX | 54 min |
| Jun 22, 6:39 AM CDT | Flash Flood Warning | ARX | 4 hr |
| Jun 22, 7:35 AM CDT | Flash Flood Warning | ARX | 3 hr |
| Jun 22, 10:28 AM CDT | Areal Flood Advisory | ARX | 21 hr |
| Jun 22, 4:59 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 22, 9:59 PM CDT | Flash Flood Warning | ARX | 5 hr |
| Jun 23, 2:29 AM CDT | Flash Flood Warning | ARX | 5 hr |
| Jun 23, 3:45 AM CDT | Flash Flood Watch | ARX | 3 days |
| Jun 23, 6:59 AM CDT | Areal Flood Warning | ARX | 6 hr |
| Jun 23, 12:05 PM CDT | River Flood Watch | ARX | 19 hr |
| Jun 23, 1:49 PM CDT | Areal Flood Warning | ARX | 12 hr |
| Jun 23, 9:16 PM CDT | River Flood Warning | ARX | 6 days |
| Jun 24, 1:31 AM CDT | Areal Flood Warning | ARX | 12 hr |
| Jun 24, 10:07 AM CDT | River Flood Warning | ARX | 5 days |
| Jun 24, 10:58 PM CDT | Flash Flood Warning | ARX | 3 hr |
| Jun 24, 11:34 PM CDT | Severe Thunderstorm Warning | ARX | 41 min |
| Jun 25, 12:06 AM CDT | Flash Flood Warning | ARX | 3 hr |
| Jun 25, 3:15 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 26, 3:32 AM CDT | Mesoscale Discussion | SPC | 88 min |
| Jul 9, 5:16 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Jul 16, 11:51 AM CDT | Heat Advisory | ARX | 3 days |
| Jul 17, 1:26 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 22, 3:33 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 22, 5:45 PM CDT | Mesoscale Discussion | SPC | 60 min |
| Jul 22, 7:42 PM CDT | Mesoscale Discussion | SPC | 63 min |
| Jul 25, 1:39 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 25, 6:42 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Aug 1, 10:25 PM CDT | Severe Thunderstorm Warning | ARX | 50 min |
| Aug 6, 1:09 AM CDT | Dense Fog Advisory | ARX | 8 hr |
| Aug 21, 2:05 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Aug 23, 2:40 AM CDT | Dense Fog Advisory | ARX | 6 hr |
| Aug 24, 3:26 AM CDT | Heat Advisory | ARX | 4 days |
| Aug 30, 3:31 AM CDT | Heat Advisory | ARX | 15 hr |
| Aug 30, 2:07 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 30, 5:14 PM CDT | Mesoscale Discussion | SPC | 61 min |
| Sep 7, 4:01 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Sep 8, 3:49 PM CDT | Heat Advisory | ARX | 28 hr |
| Sep 19, 3:20 PM CDT | Severe Thunderstorm Warning | ARX | 70 min |
| Sep 19, 4:29 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Sep 19, 7:34 PM CDT | Severe Thunderstorm Warning | ARX | 56 min |
| Sep 19, 7:36 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Oct 4, 10:29 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Oct 19, 2:19 PM CDT | Frost Advisory | ARX | 18 hr |
| Oct 30, 7:54 AM CDT | Dense Fog Advisory | ARX | 7 hr |
| Nov 17, 9:31 AM CST | Severe Thunderstorm Warning | ARX | 44 min |
| Dec 3, 3:53 AM CST | Dense Fog Advisory | ARX | 38 hr |
| Dec 7, 12:01 PM CST | Winter Weather Advisory | ARX | 39 hr |
| Dec 10, 3:56 AM CST | Wind Chill Advisory | ARX | 49 hr |
| Dec 10, 3:15 PM CST | Winter Weather Advisory | ARX | 17 hr |
| Dec 19, 3:26 AM CST | Freezing Rain Advisory | ARX | 39 hr |
| Dec 19, 3:15 PM CST | Winter Storm Watch | ARX | 37 hr |
| Dec 20, 2:46 PM CST | Winter Storm Warning | ARX | 45 hr |
| Dec 22, 3:00 PM CST | Wind Chill Advisory | ARX | 45 hr |
| Dec 28, 2:51 PM CST | Wind Chill Advisory | ARX | 45 hr |
| Dec 30, 3:24 PM CST | Winter Weather Advisory | ARX | 33 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 archive20122014
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.