Alert archive / Wisconsin / Eau Claire County
Weather alerts in Eau Claire County, Wisconsin, 2016
103 weather alerts in 2016, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Eau Claire County and its neighbors
Each county as a circle sized by its count in 2016. Tap one for its archive.
- Alerts
- 103
- Warnings
- 25
- Watches
- 12
- Advisories
- 27
- Busiest month
- September19 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 Eau Claire County in 2016 had a tornado report inside them.
Eau Claire 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 | 10 | 4 | 60% | 9 | 89% | 14 min |
| Flash flood warnings | 2 | 1 | 50% | 2 | 100% | 62 min |
Each office's whole area, 2016
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Twin Cities, MN: tornado warnings | 42 | 10 | 76% | 26 | 54% | 18 min |
| NWS Twin Cities, MN: severe thunderstorm warnings | 248 | 119 | 52% | 392 | 67% | 23 min |
| NWS Twin Cities, MN: flash flood warnings | 34 | 10 | 71% | 25 | 84% | 91 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 7, 8:50 PM CST | Freezing Rain Advisory | MPX | 3 hr |
| Jan 8, 9:44 PM CST | Winter Weather Advisory | MPX | 5 hr |
| Jan 9, 3:08 AM CST | Wind Chill Advisory | MPX | 33 hr |
| Jan 11, 3:26 AM CST | Wind Chill Advisory | MPX | 33 hr |
| Jan 12, 2:18 PM CST | Wind Chill Advisory | MPX | 13 hr |
| Jan 16, 3:19 AM CST | Wind Chill Warning | MPX | 33 hr |
| Jan 16, 11:58 AM CST | Wind Chill Advisory | MPX | 48 hr |
| Jan 24, 2:23 PM CST | Winter Weather Advisory | MPX | 37 hr |
| Jan 31, 4:09 AM CST | Winter Storm Watch | MPX | 31 hr |
| Feb 1, 11:11 AM CST | Winter Storm Warning | MPX | 43 hr |
| Feb 2, 11:35 AM CST | Mesoscale Discussion | SPC | 5 hr |
| Feb 12, 3:22 AM CST | Wind Chill Advisory | MPX | 28 hr |
| Feb 18, 3:15 PM CST | Wind Advisory | MPX | 24 hr |
| Mar 15, 4:31 PM CDT | River Flood Warning | MPX | 5 days |
| Mar 15, 4:31 PM CDT | River Flood Warning | MPX | 4 days |
| Mar 17, 11:34 PM CDT | River Flood Warning | MPX | 21 hr |
| Mar 21, 3:48 PM CDT | Winter Storm Watch | MPX | 37 hr |
| Mar 22, 3:31 PM CDT | Winter Storm Warning | MPX | 41 hr |
| Mar 23, 7:15 PM CDT | Mesoscale Discussion | SPC | 6 hr |
| May 4, 2:45 AM CDT | Frost Advisory | MPX | 28 hr |
| May 11, 10:47 PM CDT | Dense Fog Advisory | MPX | 5 hr |
| May 14, 3:12 AM CDT | Freeze Warning | MPX | 29 hr |
| May 17, 3:01 PM CDT | Frost Advisory | MPX | 17 hr |
| May 25, 2:17 PM CDT | Mesoscale Discussion | SPC | 118 min |
| May 25, 2:31 PM CDT | Special Weather Statement | MPX | 59 min |
| May 25, 4:00 PM CDT | Special Weather Statement | MPX | 60 min |
| May 25, 4:21 PM CDT | Severe Thunderstorm Warning | MPX | 24 min |
| May 25, 4:37 PM CDT | Special Weather Statement | MPX | 53 min |
| May 28, 5:56 PM CDT | Special Weather Statement | ARX | 19 min |
| May 28, 6:01 PM CDT | Special Weather Statement | MPX | 29 min |
| May 28, 7:47 PM CDT | Special Weather Statement | MPX | 13 min |
| May 31, 4:20 PM CDT | Flash Flood Warning | MPX | 4 hr |
| May 31, 4:29 PM CDT | Special Weather Statement | MPX | 31 min |
| May 31, 4:58 PM CDT | Special Weather Statement | MPX | 62 min |
| May 31, 5:59 PM CDT | Special Weather Statement | MPX | 61 min |
| Jun 3, 2:31 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 3, 4:20 PM CDT | Special Weather Statement | MPX | 40 min |
| Jun 3, 4:40 PM CDT | Severe Thunderstorm Warning | MPX | 35 min |
| Jun 10, 12:02 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Jun 10, 2:44 PM CDT | Tornado Watch | SPC | 5 hr |
| Jun 10, 2:54 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Jun 10, 3:38 PM CDT | Severe Thunderstorm Warning | MPX | 52 min |
| Jun 10, 4:01 PM CDT | Severe Thunderstorm Warning | MPX | 29 min |
| Jun 10, 4:23 PM CDT | Severe Thunderstorm Warning | MPX | 37 min |
| Jun 10, 4:29 PM CDT | Severe Thunderstorm Warning | MPX | 31 min |
| Jun 10, 5:03 PM CDT | Special Weather Statement | MPX | 27 min |
| Jun 10, 5:09 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 14, 7:45 PM CDT | Special Weather Statement | MPX | 3 hr |
| Jun 15, 12:57 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 22, 10:01 PM CDT | Tornado Warning | MPX | 44 min |
| Jun 25, 3:41 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 25, 10:43 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Jul 5, 4:10 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 5, 7:38 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Jul 5, 9:20 PM CDT | Severe Thunderstorm Warning | MPX | 55 min |
| Jul 18, 3:42 AM CDT | Excessive Heat Watch | MPX | 56 hr |
| Jul 19, 4:00 AM CDT | Excessive Heat Warning | MPX | 4 days |
| Jul 21, 5:25 AM CDT | Special Weather Statement | MPX | 65 min |
| Jul 21, 6:39 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 21, 3:20 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Jul 27, 11:17 AM CDT | Mesoscale Discussion | SPC | 118 min |
| Jul 27, 5:15 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Aug 10, 11:00 AM CDT | Flash Flood Watch | MPX | 32 hr |
| Aug 11, 6:04 AM CDT | Special Weather Statement | MPX | 116 min |
| Aug 11, 7:39 AM CDT | Special Weather Statement | MPX | 66 min |
| Aug 19, 4:02 AM CDT | Severe Thunderstorm Warning | MPX | 58 min |
| Aug 27, 10:34 PM CDT | Dense Fog Advisory | MPX | 10 hr |
| Sep 5, 3:06 PM CDT | Flood Watch | MPX | 43 hr |
| Sep 6, 2:22 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 8, 3:08 AM CDT | Dense Fog Advisory | MPX | 2 hr |
| Sep 20, 12:21 PM CDT | Flash Flood Watch | MPX | 40 hr |
| Sep 20, 7:49 PM CDT | Special Weather Statement | MPX | 26 min |
| Sep 20, 8:01 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Sep 21, 1:33 AM CDT | Mesoscale Discussion | SPC | 117 min |
| Sep 21, 1:56 PM CDT | Special Weather Statement | MPX | 49 min |
| Sep 21, 2:07 PM CDT | Severe Thunderstorm Warning | MPX | 38 min |
| Sep 21, 2:31 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Sep 21, 3:19 PM CDT | Special Weather Statement | MPX | 56 min |
| Sep 21, 5:11 PM CDT | Severe Thunderstorm Warning | MPX | 49 min |
| Sep 21, 5:39 PM CDT | Special Weather Statement | MPX | 96 min |
| Sep 21, 6:01 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 21, 7:12 PM CDT | Flash Flood Warning | MPX | 4 hr |
| Sep 21, 9:03 PM CDT | River Flood Warning | MPX | 4 days |
| Sep 22, 3:59 AM CDT | Flash Flood Watch | MPX | 7 hr |
| Sep 22, 5:33 AM CDT | Areal Flood Warning | MPX | 24 hr |
| Sep 24, 2:36 PM CDT | Flash Flood Watch | MPX | 16 hr |
| Oct 7, 3:58 AM CDT | Frost Advisory | MPX | 29 hr |
| Oct 8, 2:23 PM CDT | Frost Advisory | MPX | 18 hr |
| Oct 12, 2:53 AM CDT | Freeze Warning | MPX | 30 hr |
| Oct 17, 2:58 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Nov 15, 3:04 AM CST | Dense Fog Advisory | MPX | 5 hr |
| Nov 21, 3:44 PM CST | Winter Weather Advisory | MPX | 47 hr |
| Nov 26, 2:16 PM CST | Dense Fog Advisory | MPX | 28 hr |
| Dec 4, 2:51 AM CST | Winter Weather Advisory | MPX | 10 hr |
| Dec 9, 11:17 AM CST | Winter Weather Advisory | MPX | 52 hr |
| Dec 14, 4:05 AM CST | Wind Chill Advisory | MPX | 29 hr |
| Dec 14, 4:05 AM CST | Winter Storm Watch | MPX | 35 hr |
| Dec 15, 3:37 AM CST | Winter Storm Warning | MPX | 52 hr |
| Dec 17, 8:03 AM CST | Wind Chill Advisory | MPX | 27 hr |
| Dec 18, 11:23 AM CST | Wind Chill Advisory | MPX | 13 hr |
| Dec 22, 2:15 PM CST | Winter Weather Advisory | MPX | 31 hr |
| Dec 24, 3:43 AM CST | Freezing Rain Advisory | MPX | 38 hr |
| Dec 25, 8:46 PM CST | Wind Advisory | MPX | 21 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.