Alert archive / Wisconsin / Bayfield County
Weather alerts in Bayfield County, Wisconsin, 2025
131 weather alerts in 2025, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Bayfield County and its neighbors
Each county as a circle sized by its count in 2025. Tap one for its archive.
- Alerts
- 131
- Warnings
- 43
- Watches
- 22
- Advisories
- 55
- Busiest month
- July22 alerts
- Busiest day
- July 15, 202512 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 Bayfield County in 2025 had a tornado report inside them.
Bayfield County, 2025
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 19 | 12 | 37% | 24 | 75% | 33 min |
| Flash flood warnings | 4 | 2 | 50% | 1 | 100% | 69 min |
Each office's whole area, 2025
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Duluth, MN: tornado warnings | 25 | 4 | 84% | 6 | 83% | 17 min |
| NWS Duluth, MN: severe thunderstorm warnings | 108 | 58 | 46% | 226 | 74% | 31 min |
| NWS Duluth, MN: flash flood warnings | 14 | 8 | 43% | 26 | 81% | 78 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, 2:03 PM CST | Winter Weather Advisory | DLH | 67 hr |
| Jan 17, 1:06 PM CST | Extreme Cold Warning | DLH | 4 days |
| Jan 22, 11:16 AM CST | Snow Squall Warning | DLH | 44 min |
| Jan 22, 2:13 PM CST | Snow Squall Warning | DLH | 47 min |
| Jan 28, 6:30 PM CST | Special Weather Statement | DLH | 30 min |
| Jan 28, 7:02 PM CST | Special Weather Statement | DLH | 43 min |
| Jan 28, 7:46 PM CST | Special Weather Statement | DLH | 44 min |
| Jan 31, 1:27 PM CST | Winter Weather Advisory | DLH | 41 hr |
| Feb 4, 3:10 PM CST | Winter Weather Advisory | DLH | 39 hr |
| Feb 6, 1:36 PM CST | Winter Weather Advisory | DLH | 4 hr |
| Feb 7, 3:10 AM CST | Winter Weather Advisory | DLH | 36 hr |
| Feb 9, 1:32 PM CST | Cold Weather Advisory | DLH | 45 hr |
| Feb 12, 1:43 PM CST | Cold Weather Advisory | DLH | 20 hr |
| Feb 15, 2:57 AM CST | Winter Weather Advisory | DLH | 33 hr |
| Feb 16, 2:22 AM CST | Cold Weather Advisory | DLH | 34 hr |
| Feb 16, 2:22 AM CST | Extreme Cold Watch | DLH | 24 hr |
| Feb 17, 2:12 AM CST | Extreme Cold Warning | DLH | 32 hr |
| Feb 18, 2:10 AM CST | Cold Weather Advisory | DLH | 31 hr |
| Feb 28, 7:41 AM CST | Wind Advisory | DLH | 6 hr |
| Mar 3, 2:15 AM CST | Winter Storm Watch | DLH | 24 hr |
| Mar 4, 2:36 AM CST | Winter Storm Warning | DLH | 43 hr |
| Mar 22, 3:12 AM CDT | Winter Weather Advisory | DLH | 58 hr |
| Mar 27, 3:06 AM CDT | Winter Weather Advisory | DLH | 52 hr |
| Mar 28, 2:06 PM CDT | Winter Storm Watch | DLH | 13 hr |
| Mar 28, 4:25 PM CDT | Severe Thunderstorm Warning | DLH | 31 min |
| Mar 29, 2:52 AM CDT | Winter Storm Warning | DLH | 42 hr |
| Mar 30, 7:33 PM CDT | Winter Storm Watch | DLH | 31 hr |
| Apr 1, 2:47 AM CDT | Winter Storm Warning | DLH | 51 hr |
| Apr 1, 2:47 AM CDT | Winter Weather Advisory | DLH | 40 hr |
| Apr 11, 5:53 AM CDT | Dense Fog Advisory | DLH | 4 hr |
| May 3, 3:36 AM CDT | Dense Fog Advisory | DLH | 5 hr |
| May 10, 2:24 PM CDT | Fire Weather Watch | DLH | 13 hr |
| May 10, 2:24 PM CDT | Red Flag Warning | DLH | 32 hr |
| May 11, 2:18 PM CDT | Fire Weather Watch | DLH | 13 hr |
| May 11, 2:18 PM CDT | Red Flag Warning | DLH | 31 hr |
| May 12, 1:59 PM CDT | Fire Weather Watch | DLH | 13 hr |
| May 13, 3:25 AM CDT | Red Flag Warning | DLH | 18 hr |
| May 15, 12:46 PM CDT | Tornado Watch | SPC | 7 hr |
| May 15, 5:08 PM CDT | Severe Thunderstorm Warning | DLH | 67 min |
| May 15, 5:36 PM CDT | Tornado Warning | DLH | 24 min |
| May 18, 2:39 PM CDT | Freeze Warning | DLH | 17 hr |
| May 19, 11:23 AM CDT | Wind Advisory | DLH | 38 hr |
| May 21, 3:11 AM CDT | Frost Advisory | DLH | 29 hr |
| May 22, 3:03 AM CDT | Frost Advisory | DLH | 30 hr |
| May 23, 11:32 AM CDT | Frost Advisory | DLH | 20 hr |
| May 24, 2:40 PM CDT | Frost Advisory | DLH | 17 hr |
| Jun 4, 2:42 AM CDT | Dense Fog Advisory | DLH | 5 hr |
| Jun 18, 2:23 PM CDT | Extreme Heat Watch | DLH | 37 hr |
| Jun 20, 2:56 AM CDT | Extreme Heat Warning | DLH | 66 hr |
| Jun 20, 2:06 PM CDT | Flood Watch | DLH | 15 hr |
| Jun 20, 11:18 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 20, 11:49 PM CDT | Severe Thunderstorm Warning | DLH | 41 min |
| Jun 21, 12:44 AM CDT | Severe Thunderstorm Warning | DLH | 31 min |
| Jun 21, 2:53 AM CDT | Severe Thunderstorm Warning | DLH | 67 min |
| Jun 21, 3:17 AM CDT | Severe Thunderstorm Warning | DLH | 43 min |
| Jun 21, 3:41 AM CDT | Severe Thunderstorm Warning | DLH | 64 min |
| Jun 21, 3:42 AM CDT | Severe Thunderstorm Warning | DLH | 63 min |
| Jun 21, 4:40 AM CDT | Severe Thunderstorm Warning | DLH | 80 min |
| Jun 29, 4:15 PM CDT | Severe Thunderstorm Warning | DLH | 45 min |
| Jul 3, 2:15 AM CDT | Heat Advisory | DLH | 42 hr |
| Jul 4, 2:47 AM CDT | Extreme Heat Warning | DLH | 17 hr |
| Jul 9, 2:04 AM CDT | Dense Fog Advisory | DLH | 7 hr |
| Jul 15, 4:38 AM CDT | Flood Watch | DLH | 19 hr |
| Jul 15, 12:48 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Jul 15, 2:14 PM CDT | Severe Thunderstorm Warning | DLH | 46 min |
| Jul 15, 2:35 PM CDT | Severe Thunderstorm Warning | DLH | 40 min |
| Jul 15, 2:51 PM CDT | Areal Flood Advisory | DLH | 3 hr |
| Jul 15, 2:57 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 15, 3:49 PM CDT | Severe Thunderstorm Warning | DLH | 21 min |
| Jul 15, 4:33 PM CDT | Flash Flood Warning | DLH | 3 hr |
| Jul 15, 5:10 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 15, 5:25 PM CDT | Areal Flood Advisory | DLH | 6 hr |
| Jul 15, 5:51 PM CDT | Flash Flood Warning | DLH | 5 hr |
| Jul 15, 6:55 PM CDT | Flash Flood Warning | DLH | 3 hr |
| Jul 15, 11:10 PM CDT | Areal Flood Warning | DLH | 11 hr |
| Jul 21, 2:36 PM CDT | Flood Watch | DLH | 54 hr |
| Jul 23, 12:38 PM CDT | Areal Flood Advisory | DLH | 6 hr |
| Jul 25, 2:28 PM CDT | Heat Advisory | DLH | 30 hr |
| Jul 26, 2:55 AM CDT | Extreme Heat Watch | DLH | 24 hr |
| Jul 27, 2:33 AM CDT | Extreme Heat Warning | DLH | 18 hr |
| Jul 27, 2:52 AM CDT | Flood Watch | DLH | 19 hr |
| Aug 6, 1:49 PM CDT | Extreme Heat Watch | DLH | 36 hr |
| Aug 7, 1:01 PM CDT | Heat Advisory | DLH | 7 hr |
| Aug 8, 2:10 AM CDT | Heat Advisory | DLH | 12 hr |
| Aug 8, 8:39 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 8, 9:34 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 9, 2:40 AM CDT | Mesoscale Discussion | SPC | 95 min |
| Aug 9, 4:57 AM CDT | Severe Thunderstorm Warning | DLH | 63 min |
| Aug 21, 2:09 AM CDT | Dense Fog Advisory | DLH | 6 hr |
| Aug 22, 11:52 AM CDT | Mesoscale Discussion | SPC | 113 min |
| Aug 22, 1:17 PM CDT | Severe Thunderstorm Warning | DLH | 28 min |
| Aug 22, 9:39 PM CDT | Severe Thunderstorm Warning | DLH | 51 min |
| Aug 22, 10:11 PM CDT | Severe Thunderstorm Warning | DLH | 49 min |
| Aug 30, 2:31 AM CDT | Dense Fog Advisory | DLH | 6 hr |
| Sep 2, 8:01 PM CDT | Severe Thunderstorm Warning | DLH | 29 min |
| Sep 2, 8:23 PM CDT | Severe Thunderstorm Warning | DLH | 26 min |
| Sep 3, 1:55 PM CDT | Frost Advisory | DLH | 18 hr |
| Sep 6, 2:05 PM CDT | Frost Advisory | DLH | 18 hr |
| Sep 7, 1:34 PM CDT | Frost Advisory | DLH | 18 hr |
| Sep 9, 5:02 AM CDT | Areal Flood Advisory | DLH | 3 hr |
| Sep 9, 6:21 AM CDT | Flash Flood Warning | DLH | 3 hr |
| Sep 9, 7:06 PM CDT | Dense Fog Advisory | DLH | 16 hr |
| Sep 10, 1:40 PM CDT | Dense Fog Advisory | DLH | 23 hr |
| Sep 13, 4:31 AM CDT | Dense Fog Advisory | DLH | 7 hr |
| Sep 14, 2:17 PM CDT | Dense Fog Advisory | DLH | 21 hr |
| Sep 20, 8:10 PM CDT | Dense Fog Advisory | DLH | 15 hr |
| Sep 21, 11:07 AM CDT | Dense Fog Advisory | DLH | 48 hr |
| Sep 23, 7:05 PM CDT | Dense Fog Advisory | DLH | 15 hr |
| Sep 24, 9:14 PM CDT | Dense Fog Advisory | DLH | 13 hr |
| Oct 6, 1:29 PM CDT | Freeze Watch | DLH | 13 hr |
| Oct 7, 2:30 AM CDT | Freeze Warning | DLH | 32 hr |
| Oct 29, 6:54 PM CDT | Dense Fog Advisory | DLH | 16 hr |
| Nov 2, 1:43 AM CST | Wind Advisory | DLH | 26 hr |
| Nov 23, 2:28 PM CST | Winter Storm Watch | DLH | 24 hr |
| Nov 24, 2:16 PM CST | Winter Storm Warning | DLH | 48 hr |
| Nov 25, 2:06 PM CST | Blizzard Warning | DLH | 37 hr |
| Nov 25, 5:32 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Nov 26, 4:42 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Nov 26, 10:06 AM CST | Winter Weather Advisory | DLH | 14 hr |
| Nov 28, 1:19 PM CST | Winter Weather Advisory | DLH | 43 hr |
| Dec 8, 2:35 AM CST | Winter Storm Watch | DLH | 12 hr |
| Dec 8, 2:18 PM CST | Winter Weather Advisory | DLH | 37 hr |
| Dec 11, 1:39 PM CST | Cold Weather Advisory | DLH | 68 hr |
| Dec 17, 2:16 PM CST | Winter Weather Advisory | DLH | 40 hr |
| Dec 25, 2:43 AM CST | Winter Weather Advisory | DLH | 32 hr |
| Dec 26, 1:38 PM CST | Winter Storm Watch | DLH | 24 hr |
| Dec 26, 8:51 PM CST | Dense Fog Advisory | DLH | 33 hr |
| Dec 27, 1:47 PM CST | Winter Storm Warning | DLH | 37 hr |
| Dec 28, 9:52 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Dec 29, 2:51 AM CST | Winter Weather Advisory | DLH | 9 hr |
| Dec 30, 8:03 PM CST | Winter Weather Advisory | DLH | 16 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 archive20242026
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.