Alert archive / Minnesota / Roseau County
Weather alerts in Roseau County, Minnesota, 2024
79 weather alerts in 2024, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Roseau County and its neighbors
Each county as a circle sized by its count in 2024. Tap one for its archive.
- Alerts
- 79
- Warnings
- 16
- Watches
- 10
- Advisories
- 39
- Busiest month
- January11 alerts
- Busiest day
- June 24, 20246 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 Roseau County in 2024 had a tornado report inside them; 1 of 1 tornado reports fell inside a warning, on average 30 minutes after it went out.
Roseau County, 2024
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 1 | 0% | 1 | 100% | 30 min |
| Severe thunderstorm warnings | 8 | 3 | 63% | 8 | 50% | 14 min |
| 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 Grand Forks, ND: tornado warnings | 20 | 5 | 75% | 6 | 83% | 13 min |
| NWS Grand Forks, ND: severe thunderstorm warnings | 154 | 91 | 41% | 197 | 76% | 24 min |
| NWS Grand Forks, ND: flash flood warnings | 12 | 6 | 50% | 7 | 86% | 104 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 2, 6:10 PM CST | Winter Weather Advisory | FGF | 6 hr |
| Jan 4, 9:50 PM CST | Winter Weather Advisory | FGF | 36 hr |
| Jan 11, 6:31 AM CST | Winter Weather Advisory | FGF | 11 hr |
| Jan 13, 3:25 PM CST | Wind Chill Advisory | FGF | 72 hr |
| Jan 17, 1:32 PM CST | Wind Chill Advisory | FGF | 22 hr |
| Jan 19, 2:25 PM CST | Wind Chill Advisory | FGF | 19 hr |
| Jan 21, 4:41 PM CST | Winter Weather Advisory | FGF | 13 hr |
| Jan 25, 4:47 PM CST | Dense Fog Advisory | FGF | 19 hr |
| Jan 26, 2:42 AM CST | Winter Weather Advisory | FGF | 12 hr |
| Jan 26, 9:03 PM CST | Dense Fog Advisory | FGF | 13 hr |
| Jan 27, 9:48 PM CST | Dense Fog Advisory | FGF | 12 hr |
| Feb 3, 5:48 PM CST | Dense Fog Advisory | FGF | 42 hr |
| Feb 5, 7:36 PM CST | Dense Fog Advisory | FGF | 19 hr |
| Feb 25, 3:30 PM CST | Winter Storm Watch | FGF | 28 hr |
| Feb 26, 7:23 PM CST | Winter Storm Warning | FGF | 22 hr |
| Feb 27, 5:56 PM CST | Wind Chill Advisory | FGF | 15 hr |
| Mar 2, 3:06 AM CST | Winter Weather Advisory | FGF | 55 hr |
| Mar 3, 4:42 AM CST | Wind Advisory | FGF | 25 hr |
| Mar 5, 3:17 PM CST | Winter Weather Advisory | FGF | 24 hr |
| Mar 22, 3:46 AM CDT | Winter Storm Watch | FGF | 34 hr |
| Mar 23, 1:37 PM CDT | Winter Weather Advisory | FGF | 61 hr |
| Mar 26, 2:59 AM CDT | Winter Weather Advisory | FGF | 31 hr |
| Apr 5, 3:04 PM CDT | Fire Weather Watch | FGF | 12 hr |
| Apr 14, 3:12 AM CDT | Red Flag Warning | FGF | 16 hr |
| Apr 25, 12:45 PM CDT | Red Flag Warning | FGF | 7 hr |
| May 11, 4:56 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| May 12, 2:07 PM CDT | Frost Advisory | FGF | 18 hr |
| May 17, 5:33 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 17, 9:03 PM CDT | Severe Thunderstorm Warning | FGF | 42 min |
| May 17, 11:37 PM CDT | Mesoscale Discussion | SPC | 83 min |
| May 24, 2:48 PM CDT | Frost Advisory | FGF | 16 hr |
| May 25, 1:35 PM CDT | Frost Advisory | FGF | 17 hr |
| Jun 4, 1:45 PM CDT | Severe Thunderstorm Warning | FGF | 45 min |
| Jun 12, 3:32 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 16, 4:37 PM CDT | Flood Watch | FGF | 38 hr |
| Jun 24, 5:27 PM CDT | Special Weather Statement | FGF | 33 min |
| Jun 24, 5:43 PM CDT | Mesoscale Discussion | SPC | 77 min |
| Jun 24, 5:46 PM CDT | Severe Thunderstorm Warning | FGF | 44 min |
| Jun 24, 5:52 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 24, 5:54 PM CDT | Tornado Warning | FGF | 36 min |
| Jun 24, 5:57 PM CDT | Severe Thunderstorm Warning | FGF | 48 min |
| Jul 20, 3:30 PM CDT | Special Weather Statement | FGF | 30 min |
| Jul 26, 6:06 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Jul 26, 6:39 PM CDT | Special Weather Statement | FGF | 36 min |
| Jul 28, 6:31 AM CDT | Special Weather Statement | FGF | 29 min |
| Jul 31, 3:24 PM CDT | Special Weather Statement | FGF | 36 min |
| Aug 3, 7:23 AM CDT | Special Weather Statement | FGF | 37 min |
| Aug 3, 8:06 AM CDT | Special Weather Statement | FGF | 24 min |
| Aug 3, 8:23 AM CDT | Severe Thunderstorm Warning | FGF | 52 min |
| Aug 3, 10:10 AM CDT | Severe Thunderstorm Warning | FGF | 51 min |
| Aug 23, 12:38 AM CDT | Dense Fog Advisory | FGF | 9 hr |
| Aug 24, 2:41 AM CDT | Heat Advisory | FGF | 41 hr |
| Aug 25, 11:53 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 16, 9:28 AM CDT | Severe Thunderstorm Warning | FGF | 32 min |
| Sep 16, 9:29 AM CDT | Special Weather Statement | FGF | 31 min |
| Sep 16, 5:27 PM CDT | Special Weather Statement | FGF | 48 min |
| Sep 16, 5:43 PM CDT | Severe Thunderstorm Warning | FGF | 62 min |
| Sep 16, 6:43 PM CDT | Flash Flood Warning | FGF | 6 hr |
| Sep 16, 7:06 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Sep 29, 2:24 PM CDT | Wind Advisory | FGF | 31 hr |
| Oct 3, 1:31 PM CDT | Freeze Warning | FGF | 18 hr |
| Oct 4, 2:50 AM CDT | High Wind Watch | FGF | 24 hr |
| Oct 5, 2:59 AM CDT | Wind Advisory | FGF | 27 hr |
| Oct 7, 3:24 PM CDT | Frost Advisory | FGF | 16 hr |
| Oct 16, 3:40 PM CDT | Fire Weather Watch | FGF | 11 hr |
| Oct 16, 3:40 PM CDT | Red Flag Warning | FGF | 27 hr |
| Oct 19, 3:30 AM CDT | Dense Fog Advisory | FGF | 10 hr |
| Nov 19, 3:31 AM CST | Winter Weather Advisory | FGF | 38 hr |
| Dec 3, 12:33 PM CST | Winter Weather Advisory | FGF | 29 hr |
| Dec 7, 1:57 PM CST | Winter Weather Advisory | FGF | 34 hr |
| Dec 8, 10:58 AM CST | Winter Storm Warning | FGF | 13 hr |
| Dec 9, 2:49 AM CST | Winter Weather Advisory | FGF | 12 hr |
| Dec 10, 3:38 AM CST | Cold Weather Advisory | FGF | 54 hr |
| Dec 13, 1:06 PM CST | Winter Weather Advisory | FGF | 47 hr |
| Dec 18, 1:16 PM CST | Winter Weather Advisory | FGF | 29 hr |
| Dec 23, 6:45 PM CST | Dense Fog Advisory | FGF | 17 hr |
| Dec 26, 1:42 PM CST | Dense Fog Advisory | FGF | 22 hr |
| Dec 27, 7:41 PM CST | Dense Fog Advisory | FGF | 13 hr |
| Dec 28, 8:40 PM CST | Dense Fog Advisory | FGF | 46 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 | 8 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 4 |
| Mesoscale Discussion | 5 |
| Special Weather Statement | 9 |
| Flooding | |
| Flash Flood Warning | 1 |
| Flood Watch | 1 |
| Winter | |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 2 |
| Winter Weather Advisory | 15 |
| Heat | |
| Heat Advisory | 1 |
| Cold | |
| Freeze Warning | 1 |
| Cold Weather Advisory | 1 |
| Frost Advisory | 4 |
| Wind Chill Advisory | 4 |
| Wind and dust | |
| High Wind Watch | 1 |
| Wind Advisory | 3 |
| Fire | |
| Red Flag Warning | 3 |
| Fire Weather Watch | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 11 |
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.