Alert archive / Minnesota / Koochiching County
Weather alerts in Koochiching County, Minnesota, 2024
105 weather alerts in 2024, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Koochiching County and its neighbors
Each county as a circle sized by its count in 2024. Tap one for its archive.
- Alerts
- 105
- Warnings
- 19
- Watches
- 15
- Advisories
- 35
- Busiest month
- June32 alerts
- Busiest day
- June 18, 202410 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Koochiching County, 2024
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 11 | 1 | 91% | 0 | ||
| Flash flood warnings | 1 | 1 | 0% | 0 |
Each office's whole area, 2024
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Duluth, MN: tornado warnings | 24 | 5 | 79% | 25 | 96% | 12 min |
| NWS Duluth, MN: severe thunderstorm warnings | 94 | 52 | 45% | 198 | 73% | 26 min |
| NWS Duluth, MN: flash flood warnings | 12 | 7 | 42% | 54 | 83% | 145 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 4, 2:35 AM CST | Winter Weather Advisory | DLH | 71 hr |
| Jan 13, 2:30 PM CST | Wind Chill Advisory | DLH | 70 hr |
| Jan 16, 3:34 PM CST | Wind Chill Advisory | DLH | 17 hr |
| Jan 19, 1:45 PM CST | Wind Chill Advisory | DLH | 20 hr |
| Jan 28, 1:25 AM CST | Dense Fog Advisory | DLH | 9 hr |
| Feb 3, 8:50 PM CST | Dense Fog Advisory | DLH | 15 hr |
| Feb 4, 3:03 PM CST | Dense Fog Advisory | DLH | 21 hr |
| Feb 26, 2:50 AM CST | Winter Storm Watch | DLH | 12 hr |
| Feb 26, 2:49 PM CST | Winter Storm Warning | DLH | 27 hr |
| Feb 27, 8:45 AM CST | Mesoscale Discussion | SPC | 4 hr |
| Feb 27, 2:10 PM CST | Wind Chill Advisory | DLH | 20 hr |
| Feb 28, 5:51 PM CST | Wind Chill Advisory | DLH | 14 hr |
| Mar 22, 3:46 AM CDT | Winter Storm Watch | DLH | 33 hr |
| Mar 23, 3:35 AM CDT | Winter Storm Warning | DLH | 4 days |
| Mar 25, 12:51 PM CDT | Winter Weather Advisory | DLH | 57 hr |
| Apr 16, 8:43 AM CDT | Red Flag Warning | DLH | 12 hr |
| May 10, 12:43 PM CDT | Frost Advisory | DLH | 19 hr |
| May 12, 2:50 AM CDT | Frost Advisory | DLH | 29 hr |
| May 13, 2:10 PM CDT | Frost Advisory | DLH | 18 hr |
| May 20, 3:04 PM CDT | Flood Watch | DLH | 40 hr |
| May 25, 1:05 PM CDT | Frost Advisory | DLH | 18 hr |
| May 28, 2:19 AM CDT | Frost Advisory | DLH | 29 hr |
| Jun 4, 12:24 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 4, 1:54 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 4, 3:25 PM CDT | Special Weather Statement | DLH | 20 min |
| Jun 4, 4:23 PM CDT | Special Weather Statement | DLH | 22 min |
| Jun 9, 1:46 PM CDT | Frost Advisory | DLH | 17 hr |
| Jun 12, 2:33 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Jun 12, 3:32 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 12, 11:29 PM CDT | Special Weather Statement | DLH | 31 min |
| Jun 16, 2:58 PM CDT | Special Weather Statement | DLH | 32 min |
| Jun 16, 4:22 PM CDT | Flood Watch | DLH | 63 hr |
| Jun 18, 2:08 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 18, 4:29 AM CDT | Special Weather Statement | DLH | 31 min |
| Jun 18, 4:52 AM CDT | Special Weather Statement | DLH | 23 min |
| Jun 18, 5:02 AM CDT | Severe Thunderstorm Warning | DLH | 58 min |
| Jun 18, 5:09 AM CDT | Severe Thunderstorm Warning | DLH | 52 min |
| Jun 18, 6:03 AM CDT | Special Weather Statement | DLH | 27 min |
| Jun 18, 6:03 AM CDT | Mesoscale Discussion | SPC | 87 min |
| Jun 18, 6:27 AM CDT | Special Weather Statement | DLH | 33 min |
| Jun 18, 1:24 PM CDT | Tornado Watch | SPC | 8 hr |
| Jun 18, 4:01 PM CDT | Flash Flood Warning | DLH | 5 hr |
| Jun 18, 9:04 PM CDT | Areal Flood Warning | DLH | 6 days |
| Jun 24, 5:52 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 24, 7:21 PM CDT | Special Weather Statement | DLH | 24 min |
| Jun 24, 7:32 PM CDT | Severe Thunderstorm Warning | DLH | 43 min |
| Jun 24, 7:50 PM CDT | Special Weather Statement | DLH | 25 min |
| Jun 24, 7:53 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Jun 24, 8:11 PM CDT | Special Weather Statement | DLH | 34 min |
| Jun 24, 8:25 PM CDT | Severe Thunderstorm Warning | DLH | 50 min |
| Jun 24, 8:52 PM CDT | Severe Thunderstorm Warning | DLH | 38 min |
| Jun 24, 9:12 PM CDT | Severe Thunderstorm Warning | DLH | 48 min |
| Jun 24, 9:39 PM CDT | Severe Thunderstorm Warning | DLH | 51 min |
| Jun 30, 3:07 PM CDT | Flood Watch | DLH | 43 hr |
| Jul 2, 2:18 AM CDT | Areal Flood Advisory | DLH | 6 hr |
| Jul 3, 3:26 PM CDT | Areal Flood Advisory | DLH | 13 days |
| Jul 13, 9:52 AM CDT | Special Weather Statement | DLH | 23 min |
| Jul 13, 5:38 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 13, 6:49 PM CDT | Special Weather Statement | DLH | 26 min |
| Jul 13, 7:16 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Jul 13, 7:38 PM CDT | Severe Thunderstorm Warning | DLH | 52 min |
| Jul 13, 8:36 PM CDT | Special Weather Statement | DLH | 24 min |
| Jul 13, 8:51 PM CDT | Severe Thunderstorm Warning | DLH | 28 min |
| Jul 19, 3:56 PM CDT | Special Weather Statement | DLH | 19 min |
| Jul 20, 1:29 PM CDT | Special Weather Statement | DLH | 31 min |
| Jul 20, 2:01 PM CDT | Special Weather Statement | DLH | 29 min |
| Jul 27, 3:59 PM CDT | Special Weather Statement | DLH | 31 min |
| Jul 27, 4:12 PM CDT | Special Weather Statement | DLH | 33 min |
| Aug 3, 9:33 AM CDT | Special Weather Statement | DLH | 27 min |
| Aug 3, 9:48 AM CDT | Severe Thunderstorm Warning | DLH | 27 min |
| Aug 3, 9:53 AM CDT | Special Weather Statement | DLH | 37 min |
| Aug 3, 10:23 AM CDT | Severe Thunderstorm Warning | DLH | 52 min |
| Aug 3, 11:21 AM CDT | Special Weather Statement | DLH | 24 min |
| Aug 3, 11:42 AM CDT | Special Weather Statement | DLH | 33 min |
| Aug 3, 12:12 PM CDT | Special Weather Statement | DLH | 33 min |
| Aug 4, 2:52 AM CDT | Dense Fog Advisory | DLH | 4 hr |
| Aug 24, 2:46 AM CDT | Dense Fog Advisory | DLH | 7 hr |
| Aug 29, 7:33 AM CDT | Special Weather Statement | DLH | 27 min |
| Aug 29, 8:30 AM CDT | Special Weather Statement | DLH | 30 min |
| Aug 29, 9:06 AM CDT | Special Weather Statement | DLH | 24 min |
| Aug 29, 11:59 AM CDT | Flood Watch | DLH | 9 hr |
| Aug 29, 2:33 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Sep 6, 2:33 AM CDT | Frost Advisory | DLH | 29 hr |
| Sep 16, 10:29 PM CDT | Special Weather Statement | DLH | 31 min |
| Sep 16, 11:15 PM CDT | Special Weather Statement | DLH | 30 min |
| Sep 17, 12:13 AM CDT | Areal Flood Advisory | DLH | 4 hr |
| Sep 19, 1:18 AM CDT | Special Weather Statement | DLH | 27 min |
| Sep 22, 2:44 AM CDT | Frost Advisory | DLH | 29 hr |
| Oct 3, 1:39 PM CDT | Freeze Warning | DLH | 19 hr |
| Oct 5, 1:58 PM CDT | Wind Advisory | DLH | 27 hr |
| Oct 6, 1:54 PM CDT | Frost Advisory | DLH | 18 hr |
| Oct 7, 2:41 PM CDT | Frost Advisory | DLH | 17 hr |
| Oct 16, 2:40 PM CDT | Fire Weather Watch | DLH | 11 hr |
| Oct 17, 1:47 AM CDT | Red Flag Warning | DLH | 17 hr |
| Nov 24, 2:29 AM CST | Winter Weather Advisory | DLH | 40 hr |
| Dec 4, 2:53 AM CST | Winter Weather Advisory | DLH | 27 hr |
| Dec 6, 2:24 AM CST | Winter Weather Advisory | DLH | 36 hr |
| Dec 6, 1:15 PM CST | Winter Storm Watch | DLH | 25 hr |
| Dec 7, 2:16 PM CST | Winter Storm Warning | DLH | 47 hr |
| Dec 7, 2:16 PM CST | Winter Weather Advisory | DLH | 47 hr |
| Dec 11, 2:24 AM CST | Cold Weather Advisory | DLH | 32 hr |
| Dec 18, 1:15 PM CST | Winter Weather Advisory | DLH | 42 hr |
| Dec 23, 9:00 PM CST | Dense Fog Advisory | DLH | 12 hr |
| Dec 26, 1:09 PM CST | Dense Fog Advisory | DLH | 45 hr |
| Dec 28, 7:55 PM CST | Dense Fog Advisory | DLH | 49 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 | 11 |
| Severe Thunderstorm Watch | 6 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 6 |
| Special Weather Statement | 30 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 1 |
| Flood Watch | 4 |
| Areal Flood Advisory | 3 |
| Winter | |
| Winter Storm Warning | 3 |
| Winter Storm Watch | 3 |
| Winter Weather Advisory | 7 |
| Cold | |
| Freeze Warning | 1 |
| Cold Weather Advisory | 1 |
| Frost Advisory | 10 |
| Wind Chill Advisory | 5 |
| Wind and dust | |
| Wind Advisory | 1 |
| Fire | |
| Red Flag Warning | 2 |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 8 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20232025
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.