Alert archive / Minnesota / Grant County
Weather alerts in Grant County, Minnesota, 2024
100 weather alerts in 2024, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Grant County and its neighbors
Each county as a circle sized by its count in 2024. Tap one for its archive.
- Alerts
- 100
- Warnings
- 23
- Watches
- 14
- Advisories
- 33
- Busiest month
- July25 alerts
- Busiest day
- July 31, 20249 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Grant County, 2024
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 12 | 9 | 25% | 3 | 67% | 11 min |
| Flash flood warnings | 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 4, 9:50 PM CST | Winter Weather Advisory | FGF | 36 hr |
| Jan 12, 3:37 PM CST | Winter Weather Advisory | FGF | 32 hr |
| Jan 13, 3:25 PM CST | Wind Chill Advisory | FGF | 72 hr |
| Jan 25, 4:47 PM CST | Dense Fog Advisory | FGF | 19 hr |
| Jan 26, 9:03 PM CST | Dense Fog Advisory | FGF | 13 hr |
| Jan 30, 5:45 PM CST | Dense Fog Advisory | FGF | 9 hr |
| Jan 31, 8:30 PM CST | Dense Fog Advisory | FGF | 13 hr |
| Feb 3, 5:48 PM CST | Dense Fog Advisory | FGF | 42 hr |
| Feb 26, 12:27 PM CST | Winter Weather Advisory | FGF | 30 hr |
| Mar 20, 2:27 PM CDT | Winter Weather Advisory | FGF | 37 hr |
| Mar 22, 3:46 AM CDT | Winter Storm Watch | FGF | 34 hr |
| Mar 23, 1:37 PM CDT | Winter Storm Warning | 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 6, 2:48 AM CDT | Wind Advisory | FGF | 16 hr |
| Apr 6, 2:58 AM CDT | Red Flag Warning | FGF | 16 hr |
| Apr 15, 2:49 PM CDT | Wind Advisory | FGF | 28 hr |
| Apr 25, 12:45 PM CDT | Red Flag Warning | FGF | 7 hr |
| May 5, 2:19 PM CDT | Wind Advisory | FGF | 32 hr |
| May 17, 11:37 PM CDT | Mesoscale Discussion | SPC | 83 min |
| May 21, 2:55 AM CDT | Wind Advisory | FGF | 19 hr |
| May 31, 1:49 AM CDT | Dense Fog Advisory | FGF | 2 hr |
| Jun 2, 3:51 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 2, 9:42 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Jun 4, 12:24 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 5, 3:02 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Jun 5, 6:30 PM CDT | Special Weather Statement | FGF | 15 min |
| Jun 6, 2:40 AM CDT | Wind Advisory | FGF | 17 hr |
| Jun 12, 3:32 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 12, 4:48 PM CDT | Severe Thunderstorm Warning | FGF | 57 min |
| Jun 12, 5:35 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Jun 16, 4:37 PM CDT | Flood Watch | FGF | 38 hr |
| Jun 17, 11:36 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Jun 18, 1:49 AM CDT | Mesoscale Discussion | SPC | 86 min |
| Jun 18, 4:27 AM CDT | Severe Thunderstorm Warning | FGF | 63 min |
| Jun 18, 12:20 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Jun 18, 1:24 PM CDT | Tornado Watch | SPC | 8 hr |
| Jun 28, 1:28 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 12, 2:18 PM CDT | Heat Advisory | FGF | 30 hr |
| Jul 13, 3:21 AM CDT | Special Weather Statement | FGF | 24 min |
| Jul 13, 3:47 AM CDT | Special Weather Statement | FGF | 58 min |
| Jul 13, 3:44 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Jul 13, 7:16 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Jul 13, 8:47 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Jul 13, 9:43 PM CDT | Severe Thunderstorm Warning | FGF | 62 min |
| Jul 15, 3:26 AM CDT | Special Weather Statement | FGF | 34 min |
| Jul 15, 4:03 AM CDT | Special Weather Statement | FGF | 12 min |
| Jul 15, 4:30 AM CDT | Severe Thunderstorm Warning | FGF | 60 min |
| Jul 15, 4:37 AM CDT | Mesoscale Discussion | SPC | 113 min |
| Jul 15, 5:30 AM CDT | Severe Thunderstorm Warning | FGF | 33 min |
| Jul 23, 5:28 AM CDT | Special Weather Statement | FGF | 32 min |
| Jul 29, 10:19 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 29, 11:23 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 30, 12:50 AM CDT | Special Weather Statement | FGF | 25 min |
| Jul 31, 11:47 AM CDT | Mesoscale Discussion | SPC | 88 min |
| Jul 31, 12:14 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 31, 12:45 PM CDT | Severe Thunderstorm Warning | FGF | 45 min |
| Jul 31, 1:19 PM CDT | Severe Thunderstorm Warning | FGF | 56 min |
| Jul 31, 1:38 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Jul 31, 5:03 PM CDT | Severe Thunderstorm Warning | FGF | 42 min |
| Jul 31, 5:18 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Jul 31, 5:28 PM CDT | Severe Thunderstorm Warning | FGF | 47 min |
| Jul 31, 5:50 PM CDT | Severe Thunderstorm Warning | FGF | 40 min |
| Aug 3, 2:57 PM CDT | Heat Advisory | FGF | 4 hr |
| Aug 3, 4:56 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 3, 6:26 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 24, 2:41 AM CDT | Heat Advisory | FGF | 41 hr |
| Aug 25, 11:53 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 26, 12:28 PM CDT | Special Weather Statement | FGF | 17 min |
| Aug 26, 12:35 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Aug 26, 12:36 PM CDT | Severe Thunderstorm Warning | FGF | 39 min |
| Aug 26, 1:24 PM CDT | Severe Thunderstorm Warning | FGF | 51 min |
| Aug 26, 2:38 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 26, 2:43 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 29, 12:40 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 29, 6:50 PM CDT | Fire Weather Watch | FGF | 8 hr |
| Sep 30, 3:15 AM CDT | Red Flag Warning | FGF | 18 hr |
| Oct 3, 1:31 PM CDT | Frost Advisory | FGF | 18 hr |
| Oct 4, 2:50 AM CDT | High Wind Watch | FGF | 24 hr |
| Oct 4, 2:26 PM CDT | Red Flag Warning | FGF | 31 hr |
| Oct 5, 2:59 AM CDT | Wind Advisory | FGF | 27 hr |
| Oct 13, 10:30 AM CDT | Freeze Warning | FGF | 23 hr |
| Oct 14, 11:04 AM CDT | Freeze Warning | FGF | 23 hr |
| Oct 15, 2:01 PM CDT | Fire Weather Watch | FGF | 13 hr |
| Oct 15, 2:01 PM CDT | Red Flag Warning | FGF | 29 hr |
| Oct 16, 3:40 PM CDT | Red Flag Warning | FGF | 27 hr |
| Nov 3, 11:29 PM CST | Dense Fog Advisory | FGF | 6 hr |
| Nov 15, 4:37 AM CST | Dense Fog Advisory | FGF | 7 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 4, 10:57 AM CST | Snow Squall Warning | FGF | 48 min |
| Dec 9, 2:49 AM CST | Winter Weather Advisory | FGF | 12 hr |
| Dec 13, 1:06 PM CST | Winter Weather Advisory | FGF | 47 hr |
| Dec 17, 1:52 PM CST | Winter Storm Watch | FGF | 23 hr |
| Dec 18, 1:16 PM CST | Winter Storm Warning | FGF | 29 hr |
| Dec 22, 4:24 PM CST | Winter Weather Advisory | FGF | 10 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 | 12 |
| Severe Thunderstorm Watch | 6 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 22 |
| Special Weather Statement | 8 |
| Flooding | |
| Flood Watch | 1 |
| Winter | |
| Snow Squall Warning | 1 |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 2 |
| Winter Weather Advisory | 10 |
| Heat | |
| Heat Advisory | 3 |
| Cold | |
| Freeze Warning | 2 |
| Frost Advisory | 1 |
| Wind Chill Advisory | 1 |
| Wind and dust | |
| High Wind Watch | 1 |
| Wind Advisory | 6 |
| Fire | |
| Red Flag Warning | 6 |
| Fire Weather Watch | 3 |
| Fog and smoke | |
| Dense Fog Advisory | 12 |
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.