Alert archive / Wisconsin / Chippewa County
Weather alerts in Chippewa County, Wisconsin, 2010
113 weather alerts in 2010, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Chippewa County and its neighbors
Each county as a circle sized by its count in 2010. Tap one for its archive.
- Alerts
- 113
- Warnings
- 26
- Watches
- 23
- Advisories
- 26
- Busiest month
- August31 alerts
- Busiest day
- July 14, 20108 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Chippewa County, 2010
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 15 | 8 | 47% | 9 | 67% | 32 min |
| Flash flood warnings | 2 | 2 | 0% | 2 | 50% | 77 min |
Each office's whole area, 2010
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Twin Cities, MN: tornado warnings | 97 | 33 | 66% | 103 | 68% | 19 min |
| NWS Twin Cities, MN: severe thunderstorm warnings | 269 | 149 | 45% | 542 | 68% | 26 min |
| NWS Twin Cities, MN: flash flood warnings | 25 | 15 | 40% | 86 | 60% | 71 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 1, 2:22 PM CST | Wind Chill Advisory | MPX | 19 hr |
| Jan 21, 6:25 PM CST | Winter Weather Advisory | MPX | 6 hr |
| Jan 22, 2:51 PM CST | Freezing Rain Advisory | MPX | 21 hr |
| Jan 24, 2:36 AM CST | Winter Weather Advisory | MPX | 15 hr |
| Feb 13, 9:50 AM CST | Winter Weather Advisory | MPX | 50 hr |
| Mar 7, 2:55 PM CST | Dense Fog Advisory | MPX | 18 hr |
| Mar 9, 12:27 AM CST | Dense Fog Advisory | MPX | 9 hr |
| Mar 9, 4:10 PM CST | Dense Fog Advisory | MPX | 41 hr |
| Mar 11, 2:41 PM CST | Dense Fog Advisory | MPX | 21 hr |
| Mar 30, 3:20 PM CDT | Red Flag Warning | MPX | 18 min |
| Mar 30, 3:38 PM CDT | Red Flag Warning | MPX | 2 hr |
| Apr 30, 12:01 PM CDT | Mesoscale Discussion | SPC | 29 min |
| Apr 30, 12:23 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 4, 2:49 PM CDT | Mesoscale Discussion | SPC | 56 min |
| May 8, 3:48 AM CDT | Freeze Warning | MPX | 29 hr |
| May 25, 12:59 PM CDT | Mesoscale Discussion | SPC | 91 min |
| May 30, 4:39 PM CDT | Special Weather Statement | MPX | 36 min |
| Jun 15, 2:01 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Jun 17, 4:46 PM CDT | Mesoscale Discussion | SPC | 59 min |
| Jun 17, 5:50 PM CDT | Tornado Watch | SPC | 7 hr |
| Jun 17, 7:39 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Jun 22, 2:44 AM CDT | Dense Fog Advisory | MPX | 6 hr |
| Jun 23, 2:36 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 23, 2:48 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Jun 26, 4:34 AM CDT | Flash Flood Watch | MPX | 22 hr |
| Jun 26, 7:56 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 26, 11:14 PM CDT | Flash Flood Warning | MPX | 3 hr |
| Jul 7, 6:24 PM CDT | Special Weather Statement | MPX | 111 min |
| Jul 7, 6:43 PM CDT | Areal Flood Advisory | MPX | 3 hr |
| Jul 10, 11:41 AM CDT | Mesoscale Discussion | SPC | 94 min |
| Jul 14, 3:12 AM CDT | Heat Advisory | MPX | 15 hr |
| Jul 14, 8:26 AM CDT | Mesoscale Discussion | SPC | 64 min |
| Jul 14, 9:00 AM CDT | Tornado Watch | SPC | 9 hr |
| Jul 14, 11:18 AM CDT | Severe Thunderstorm Warning | MPX | 57 min |
| Jul 14, 12:12 PM CDT | Severe Thunderstorm Warning | MPX | 63 min |
| Jul 14, 12:34 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Jul 14, 3:12 PM CDT | Severe Thunderstorm Warning | MPX | 63 min |
| Jul 14, 3:52 PM CDT | Severe Thunderstorm Warning | MPX | 53 min |
| Jul 14, 8:09 PM CDT | Mesoscale Discussion | SPC | 66 min |
| Jul 17, 12:28 PM CDT | Tornado Watch | SPC | 11 hr |
| Jul 17, 8:55 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 17, 9:47 PM CDT | Severe Thunderstorm Warning | MPX | 58 min |
| Jul 20, 2:15 PM CDT | Mesoscale Discussion | SPC | 60 min |
| Jul 20, 3:11 PM CDT | Severe Thunderstorm Warning | MPX | 64 min |
| Jul 20, 3:18 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 20, 3:51 PM CDT | Severe Thunderstorm Warning | MPX | 28 min |
| Jul 23, 11:16 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 27, 1:43 PM CDT | Mesoscale Discussion | SPC | 32 min |
| Jul 27, 3:29 PM CDT | Tornado Watch | SPC | 7 hr |
| Jul 27, 7:05 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Jul 27, 7:31 PM CDT | Severe Thunderstorm Warning | MPX | 44 min |
| Jul 27, 8:10 PM CDT | Severe Thunderstorm Warning | MPX | 50 min |
| Jul 27, 8:48 PM CDT | Special Weather Statement | MPX | 57 min |
| Jul 27, 9:07 PM CDT | Severe Thunderstorm Warning | MPX | 38 min |
| Aug 7, 8:57 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Aug 7, 9:16 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 7, 10:39 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 7, 11:59 PM CDT | Tornado Watch | SPC | 4 hr |
| Aug 8, 12:18 AM CDT | Severe Thunderstorm Warning | MPX | 42 min |
| Aug 8, 2:25 AM CDT | Mesoscale Discussion | SPC | 65 min |
| Aug 8, 6:30 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 8, 11:19 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Aug 10, 5:08 PM CDT | Mesoscale Discussion | SPC | 67 min |
| Aug 11, 12:23 AM CDT | Flash Flood Warning | MPX | 5 hr |
| Aug 11, 1:05 AM CDT | Severe Thunderstorm Warning | MPX | 40 min |
| Aug 11, 6:14 AM CDT | Areal Flood Warning | MPX | 6 hr |
| Aug 12, 10:03 AM CDT | Heat Advisory | MPX | 9 hr |
| Aug 12, 4:37 PM CDT | Flash Flood Watch | MPX | 29 hr |
| Aug 13, 12:48 AM CDT | Mesoscale Discussion | SPC | 57 min |
| Aug 13, 1:19 AM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Aug 13, 4:33 AM CDT | Severe Thunderstorm Warning | MPX | 57 min |
| Aug 13, 5:27 AM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 13, 2:39 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 13, 7:14 PM CDT | Severe Thunderstorm Warning | MPX | 61 min |
| Aug 13, 7:22 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Aug 13, 7:48 PM CDT | Special Weather Statement | MPX | 57 min |
| Aug 14, 2:23 PM CDT | Mesoscale Discussion | SPC | 67 min |
| Aug 14, 6:31 PM CDT | Mesoscale Discussion | SPC | 59 min |
| Aug 18, 10:01 AM CDT | Mesoscale Discussion | SPC | 119 min |
| Aug 18, 2:17 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Aug 20, 3:08 AM CDT | Special Weather Statement | MPX | 52 min |
| Aug 20, 3:35 AM CDT | Severe Thunderstorm Warning | MPX | 55 min |
| Aug 21, 8:48 PM CDT | Dense Fog Advisory | MPX | 12 hr |
| Aug 31, 6:04 PM CDT | Areal Flood Advisory | MPX | 3 hr |
| Aug 31, 6:28 PM CDT | Mesoscale Discussion | SPC | 62 min |
| Aug 31, 7:24 PM CDT | Special Weather Statement | MPX | 51 min |
| Sep 6, 8:19 PM CDT | Special Weather Statement | MPX | 41 min |
| Sep 21, 2:04 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Sep 22, 4:00 AM CDT | Flood Watch | MPX | 46 hr |
| Sep 25, 2:42 PM CDT | Areal Flood Warning | MPX | 4 days |
| Sep 25, 3:41 PM CDT | Frost Advisory | MPX | 16 hr |
| Oct 2, 3:14 AM CDT | Frost Advisory | MPX | 30 hr |
| Oct 2, 3:15 PM CDT | Freeze Warning | MPX | 18 hr |
| Oct 24, 3:57 PM CDT | High Wind Watch | MPX | 24 hr |
| Oct 25, 3:58 PM CDT | High Wind Warning | MPX | 47 hr |
| Oct 26, 5:30 AM CDT | Mesoscale Discussion | SPC | 60 min |
| Nov 20, 3:04 PM CST | Freezing Rain Advisory | MPX | 24 hr |
| Nov 21, 3:07 PM CST | Freezing Rain Advisory | MPX | 27 hr |
| Nov 22, 2:32 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Nov 23, 3:23 PM CST | Winter Weather Advisory | MPX | 32 hr |
| Nov 29, 4:46 AM CST | Winter Weather Advisory | MPX | 40 hr |
| Dec 2, 3:17 PM CST | Winter Weather Advisory | MPX | 39 hr |
| Dec 9, 3:00 PM CST | Winter Storm Watch | MPX | 14 hr |
| Dec 10, 5:02 AM CST | Winter Storm Warning | MPX | 49 hr |
| Dec 10, 6:19 PM CST | Mesoscale Discussion | SPC | 5 hr |
| Dec 11, 1:47 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Dec 11, 9:56 AM CST | Mesoscale Discussion | SPC | 5 hr |
| Dec 12, 3:59 PM CST | Wind Chill Advisory | MPX | 17 hr |
| Dec 19, 3:28 AM CST | Winter Storm Watch | MPX | 11 hr |
| Dec 19, 2:12 PM CST | Winter Storm Warning | MPX | 38 hr |
| Dec 21, 3:49 AM CST | Winter Weather Advisory | MPX | 12 hr |
| Dec 29, 11:33 AM CST | Dense Fog Advisory | MPX | 15 hr |
| Dec 30, 2:53 PM CST | Winter Weather Advisory | MPX | 45 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 | 15 |
| Severe Thunderstorm Watch | 12 |
| Tornado Watch | 5 |
| Mesoscale Discussion | 31 |
| Special Weather Statement | 7 |
| Flooding | |
| Areal Flood Warning | 2 |
| Flash Flood Warning | 2 |
| Flash Flood Watch | 2 |
| Flood Watch | 1 |
| Areal Flood Advisory | 2 |
| Winter | |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 2 |
| Freezing Rain Advisory | 3 |
| Winter Weather Advisory | 8 |
| Heat | |
| Heat Advisory | 2 |
| Cold | |
| Freeze Warning | 2 |
| Frost Advisory | 2 |
| Wind Chill Advisory | 2 |
| Wind and dust | |
| High Wind Warning | 1 |
| High Wind Watch | 1 |
| Fire | |
| Red Flag Warning | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 7 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20092011
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.