Alert archive / Wisconsin / Douglas County
Weather alerts in Douglas County, Wisconsin, 2019
162 weather alerts in 2019, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Douglas County and its neighbors
Each county as a circle sized by its count in 2019. Tap one for its archive.
- Alerts
- 162
- Warnings
- 35
- Watches
- 22
- Advisories
- 45
- Busiest month
- September26 alerts
- Busiest day
- June 30, 20196 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
1 of 1 tornado warnings covering Douglas County in 2019 had a tornado report inside them; 1 of 1 tornado reports fell inside a warning, on average 2 minutes after it went out.
Douglas County, 2019
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 1 | 0% | 1 | 100% | 2 min |
| Severe thunderstorm warnings | 10 | 2 | 80% | 1 | 100% | 9 min |
| Flash flood warnings | 4 | 4 | 0% | 3 | 100% | 83 min |
Each office's whole area, 2019
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Duluth, MN: tornado warnings | 10 | 4 | 60% | 13 | 38% | 11 min |
| NWS Duluth, MN: severe thunderstorm warnings | 142 | 50 | 65% | 138 | 66% | 22 min |
| NWS Duluth, MN: flash flood warnings | 9 | 5 | 44% | 9 | 67% | 68 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 5, 3:14 AM CST | Winter Storm Watch | DLH | 24 hr |
| Jan 5, 2:53 PM CST | Winter Storm Warning | DLH | 40 hr |
| Jan 6, 3:29 AM CST | Winter Weather Advisory | DLH | 36 hr |
| Jan 19, 2:20 PM CST | Wind Chill Advisory | DLH | 22 hr |
| Jan 20, 3:15 PM CST | Wind Chill Advisory | DLH | 18 hr |
| Jan 20, 3:15 PM CST | Winter Weather Advisory | DLH | 45 hr |
| Jan 23, 3:08 PM CST | Wind Chill Advisory | DLH | 45 hr |
| Jan 25, 12:15 PM CST | Wind Chill Advisory | DLH | 24 hr |
| Jan 26, 3:45 PM CST | Wind Chill Advisory | DLH | 20 hr |
| Jan 26, 3:45 PM CST | Winter Weather Advisory | DLH | 42 hr |
| Jan 28, 4:20 AM CST | Wind Chill Watch | DLH | 10 hr |
| Jan 28, 1:59 PM CST | Wind Chill Warning | DLH | 69 hr |
| Feb 2, 2:32 PM CST | Winter Weather Advisory | DLH | 21 hr |
| Feb 3, 3:06 AM CST | Winter Weather Advisory | DLH | 36 hr |
| Feb 3, 6:39 AM CST | Dense Fog Advisory | DLH | 5 hr |
| Feb 5, 3:39 PM CST | Winter Weather Advisory | DLH | 43 hr |
| Feb 6, 10:49 AM CST | Winter Storm Warning | DLH | 37 hr |
| Feb 7, 2:52 PM CST | Wind Chill Advisory | DLH | 21 hr |
| Feb 8, 2:17 PM CST | Wind Chill Advisory | DLH | 20 hr |
| Feb 10, 2:15 PM CST | Winter Storm Watch | DLH | 25 hr |
| Feb 11, 3:51 AM CST | Winter Storm Warning | DLH | 44 hr |
| Feb 11, 3:04 PM CST | Winter Weather Advisory | DLH | 30 hr |
| Feb 19, 3:39 AM CST | Winter Storm Watch | DLH | 11 hr |
| Feb 19, 3:39 AM CST | Winter Storm Warning | DLH | 47 hr |
| Feb 20, 9:09 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 22, 3:26 AM CST | Winter Storm Watch | DLH | 35 hr |
| Feb 23, 3:21 AM CST | Winter Storm Warning | DLH | 36 hr |
| Feb 23, 2:51 PM CST | Winter Weather Advisory | DLH | 33 hr |
| Feb 24, 5:58 PM CST | Wind Chill Advisory | DLH | 17 hr |
| Feb 25, 2:43 PM CST | Winter Weather Advisory | DLH | 39 hr |
| Mar 2, 3:08 AM CST | Wind Chill Advisory | DLH | 33 hr |
| Mar 3, 2:42 AM CST | Wind Chill Advisory | DLH | 33 hr |
| Mar 7, 4:08 AM CST | Winter Storm Watch | DLH | 40 hr |
| Mar 8, 3:53 AM CST | Winter Storm Warning | DLH | 56 hr |
| Mar 12, 3:05 AM CDT | Flood Watch | DLH | 68 hr |
| Mar 12, 6:46 PM CDT | Dense Fog Advisory | DLH | 18 hr |
| Mar 13, 7:10 PM CDT | Areal Flood Advisory | DLH | 8 hr |
| Apr 2, 3:12 PM CDT | Special Weather Statement | DLH | 33 min |
| Apr 7, 8:30 AM CDT | Dense Fog Advisory | DLH | 9 hr |
| Apr 7, 5:11 PM CDT | Dense Fog Advisory | DLH | 6 hr |
| Apr 8, 6:26 PM CDT | Special Weather Statement | DLH | 34 min |
| Apr 8, 6:58 PM CDT | Special Weather Statement | DLH | 32 min |
| Apr 8, 7:37 PM CDT | Special Weather Statement | DLH | 8 min |
| Apr 9, 4:00 AM CDT | Winter Storm Watch | DLH | 24 hr |
| Apr 9, 10:06 PM CDT | Lakeshore Flood Watch | DLH | 18 hr |
| Apr 10, 4:05 AM CDT | Winter Storm Warning | DLH | 57 hr |
| Apr 10, 3:50 PM CDT | Lakeshore Flood Warning | DLH | 36 hr |
| Apr 21, 3:32 PM CDT | Flood Watch | DLH | 29 hr |
| May 8, 9:51 AM CDT | Winter Weather Advisory | DLH | 24 hr |
| May 8, 2:27 PM CDT | Winter Storm Warning | DLH | 20 hr |
| May 19, 8:56 AM CDT | Wind Advisory | DLH | 6 hr |
| May 19, 10:40 AM CDT | Winter Weather Advisory | DLH | 14 hr |
| May 25, 4:01 AM CDT | Dense Fog Advisory | DLH | 6 hr |
| Jun 1, 2:52 AM CDT | Frost Advisory | DLH | 29 hr |
| Jun 3, 3:50 AM CDT | Beach Hazards Statement | DLH | 16 hr |
| Jun 4, 12:45 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 4, 2:47 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Jun 4, 5:57 PM CDT | Special Weather Statement | DLH | 33 min |
| Jun 4, 11:22 PM CDT | Dense Fog Advisory | DLH | 10 hr |
| Jun 12, 3:06 PM CDT | Frost Advisory | DLH | 16 hr |
| Jun 15, 4:19 AM CDT | Beach Hazards Statement | DLH | 15 hr |
| Jun 16, 3:13 AM CDT | Beach Hazards Statement | DLH | 17 hr |
| Jun 21, 3:33 AM CDT | Beach Hazards Statement | DLH | 17 hr |
| Jun 22, 3:31 AM CDT | Beach Hazards Statement | DLH | 17 hr |
| Jun 23, 3:48 AM CDT | Beach Hazards Statement | DLH | 17 hr |
| Jun 27, 11:56 AM CDT | Severe Thunderstorm Warning | DLH | 18 min |
| Jun 27, 12:19 PM CDT | Special Weather Statement | DLH | 26 min |
| Jun 28, 2:49 AM CDT | Dense Fog Advisory | DLH | 5 hr |
| Jun 30, 2:12 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 30, 4:34 AM CDT | Special Weather Statement | DLH | 26 min |
| Jun 30, 5:11 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 30, 5:22 AM CDT | Special Weather Statement | DLH | 23 min |
| Jun 30, 5:47 AM CDT | Special Weather Statement | DLH | 13 min |
| Jun 30, 10:38 AM CDT | Severe Thunderstorm Warning | DLH | 52 min |
| Jul 4, 1:31 PM CDT | Flash Flood Watch | DLH | 5 hr |
| Jul 4, 3:15 PM CDT | Flash Flood Warning | DLH | 3 hr |
| Jul 4, 3:58 PM CDT | Flash Flood Warning | DLH | 3 hr |
| Jul 6, 3:39 AM CDT | Beach Hazards Statement | DLH | 16 hr |
| Jul 14, 7:50 PM CDT | Mesoscale Discussion | SPC | 55 min |
| Jul 15, 12:03 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Jul 15, 1:50 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 15, 4:58 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Jul 15, 6:02 PM CDT | Special Weather Statement | DLH | 28 min |
| Jul 15, 6:56 PM CDT | Special Weather Statement | DLH | 19 min |
| Jul 17, 3:25 AM CDT | Beach Hazards Statement | DLH | 18 hr |
| Jul 18, 7:15 AM CDT | Special Weather Statement | DLH | 30 min |
| Jul 18, 7:41 AM CDT | Special Weather Statement | DLH | 34 min |
| Jul 18, 11:51 AM CDT | Severe Thunderstorm Warning | DLH | 24 min |
| Jul 18, 12:08 PM CDT | Severe Thunderstorm Warning | DLH | 52 min |
| Jul 18, 2:31 PM CDT | Tornado Warning | DLH | 16 min |
| Jul 19, 2:41 PM CDT | Tornado Watch | SPC | 6 hr |
| Jul 19, 2:58 PM CDT | Severe Thunderstorm Warning | DLH | 47 min |
| Jul 19, 3:47 PM CDT | Severe Thunderstorm Warning | DLH | 43 min |
| Jul 26, 2:26 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 26, 6:08 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 26, 8:03 PM CDT | Special Weather Statement | DLH | 12 min |
| Jul 28, 6:20 PM CDT | Severe Thunderstorm Warning | DLH | 25 min |
| Jul 28, 7:34 PM CDT | Special Weather Statement | DLH | 26 min |
| Jul 28, 7:43 PM CDT | Severe Thunderstorm Warning | DLH | 32 min |
| Aug 5, 6:50 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 5, 9:34 AM CDT | Mesoscale Discussion | SPC | 116 min |
| Aug 5, 10:16 AM CDT | Special Weather Statement | DLH | 29 min |
| Aug 7, 1:09 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 13, 3:23 AM CDT | Beach Hazards Statement | DLH | 18 hr |
| Aug 23, 4:46 AM CDT | Beach Hazards Statement | DLH | 14 hr |
| Aug 27, 12:31 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Aug 29, 6:56 AM CDT | Severe Thunderstorm Warning | DLH | 34 min |
| Sep 2, 9:10 AM CDT | Beach Hazards Statement | DLH | 11 hr |
| Sep 3, 9:06 AM CDT | Beach Hazards Statement | DLH | 11 hr |
| Sep 5, 3:30 AM CDT | Beach Hazards Statement | DLH | 16 hr |
| Sep 5, 9:38 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 5, 12:30 PM CDT | Special Weather Statement | DLH | 30 min |
| Sep 5, 12:56 PM CDT | Severe Thunderstorm Warning | DLH | 34 min |
| Sep 8, 3:46 AM CDT | Beach Hazards Statement | DLH | 18 hr |
| Sep 9, 3:36 AM CDT | Beach Hazards Statement | DLH | 17 hr |
| Sep 10, 5:40 AM CDT | Beach Hazards Statement | DLH | 4 hr |
| Sep 11, 4:04 AM CDT | Beach Hazards Statement | DLH | 42 hr |
| Sep 12, 3:43 PM CDT | Special Weather Statement | DLH | 32 min |
| Sep 15, 7:44 PM CDT | Dense Fog Advisory | DLH | 15 hr |
| Sep 16, 9:20 PM CDT | Dense Fog Advisory | DLH | 12 hr |
| Sep 20, 1:33 AM CDT | Dense Fog Advisory | DLH | 8 hr |
| Sep 20, 2:53 AM CDT | Beach Hazards Statement | DLH | 16 hr |
| Sep 21, 2:17 AM CDT | Dense Fog Advisory | DLH | 8 hr |
| Sep 21, 1:33 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Sep 21, 6:05 PM CDT | Special Weather Statement | DLH | 10 min |
| Sep 21, 6:30 PM CDT | Special Weather Statement | DLH | 30 min |
| Sep 25, 1:40 AM CDT | Special Weather Statement | DLH | 50 min |
| Sep 29, 3:37 AM CDT | Beach Hazards Statement | DLH | 18 hr |
| Sep 30, 3:16 AM CDT | Flood Watch | DLH | 9 hr |
| Sep 30, 3:43 AM CDT | Beach Hazards Statement | DLH | 16 hr |
| Sep 30, 6:23 AM CDT | Flash Flood Warning | DLH | 3 hr |
| Sep 30, 9:33 AM CDT | Flash Flood Warning | DLH | 6 hr |
| Sep 30, 3:24 PM CDT | Areal Flood Warning | DLH | 23 hr |
| Sep 30, 8:17 PM CDT | Special Weather Statement | DLH | 13 min |
| Oct 21, 10:27 AM CDT | Coastal Flood Advisory | DLH | 5 hr |
| Oct 21, 3:29 PM CDT | Lakeshore Flood Warning | DLH | 7 hr |
| Oct 21, 3:58 PM CDT | High Wind Warning | DLH | 4 hr |
| Nov 19, 6:39 PM CST | Dense Fog Advisory | DLH | 6 hr |
| Nov 24, 2:47 PM CST | Winter Storm Watch | DLH | 37 hr |
| Nov 25, 3:10 PM CST | Winter Storm Warning | DLH | 53 hr |
| Nov 26, 3:58 AM CST | Lakeshore Flood Warning | DLH | 35 hr |
| Nov 26, 9:20 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Nov 27, 1:43 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Nov 27, 3:58 PM CST | Winter Storm Watch | DLH | 45 hr |
| Nov 28, 3:28 AM CST | Lakeshore Flood Watch | DLH | 24 hr |
| Nov 29, 3:26 AM CST | Winter Storm Warning | DLH | 60 hr |
| Nov 29, 3:53 AM CST | Lakeshore Flood Warning | DLH | 66 hr |
| Nov 30, 6:55 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Dec 7, 3:29 PM CST | Winter Weather Advisory | DLH | 51 hr |
| Dec 8, 3:57 AM CST | Winter Storm Warning | DLH | 44 hr |
| Dec 10, 2:48 AM CST | Wind Chill Advisory | DLH | 33 hr |
| Dec 11, 3:40 AM CST | Winter Weather Advisory | DLH | 35 hr |
| Dec 13, 12:07 PM CST | Special Weather Statement | DLH | 53 min |
| Dec 13, 12:52 PM CST | Special Weather Statement | DLH | 68 min |
| Dec 13, 11:20 PM CST | Special Weather Statement | DLH | 25 min |
| Dec 17, 2:27 PM CST | Wind Chill Advisory | DLH | 17 hr |
| Dec 24, 3:25 PM CST | Dense Fog Advisory | DLH | 42 hr |
| Dec 25, 2:53 PM CST | Dense Fog Advisory | DLH | 19 hr |
| Dec 27, 2:46 PM CST | Winter Weather Advisory | DLH | 40 hr |
| Dec 28, 4:44 PM CST | Lakeshore Flood Warning | DLH | 29 hr |
| Dec 29, 3:43 AM CST | Winter Storm Watch | DLH | 12 hr |
| Dec 29, 3:34 PM CST | Winter Storm Warning | DLH | 38 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 archive20182020
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.