Alert archive / North Dakota / McLean County
Weather alerts in McLean County, North Dakota, 2025
70 weather alerts in 2025, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
McLean County and its neighbors
Each county as a circle sized by its count in 2025. Tap one for its archive.
- Alerts
- 70
- Warnings
- 33
- Watches
- 12
- Advisories
- 2
- Busiest month
- June21 alerts
- Busiest day
- June 28, 20257 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
3 of 5 tornado warnings covering McLean County in 2025 had a tornado report inside them; 5 of 5 tornado reports fell inside a warning, on average 25 minutes after it went out.
McLean County, 2025
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 5 | 3 | 40% | 5 | 100% | 25 min |
| Severe thunderstorm warnings | 22 | 12 | 45% | 14 | 100% | 25 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2025
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Bismarck, ND: tornado warnings | 59 | 32 | 46% | 52 | 87% | 16 min |
| NWS Bismarck, ND: severe thunderstorm warnings | 280 | 160 | 43% | 420 | 88% | 26 min |
| NWS Bismarck, ND: flash flood warnings | 3 | 1 | 67% | 2 | 100% | 16 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 |
|---|---|---|---|
| Mar 8, 3:24 AM CST | Fire Weather Watch | BIS | 23 hr |
| Mar 9, 3:13 AM CDT | Red Flag Warning | BIS | 41 hr |
| Apr 10, 2:27 PM CDT | Red Flag Warning | BIS | 31 hr |
| May 3, 2:19 AM CDT | Fire Weather Watch | BIS | 24 hr |
| May 4, 1:56 AM CDT | Red Flag Warning | BIS | 19 hr |
| May 7, 3:11 PM CDT | Fire Weather Watch | BIS | 11 hr |
| May 8, 2:11 AM CDT | Red Flag Warning | BIS | 19 hr |
| May 9, 1:59 PM CDT | Red Flag Warning | BIS | 31 hr |
| May 10, 1:18 PM CDT | Red Flag Warning | BIS | 56 hr |
| May 11, 11:48 PM CDT | Mesoscale Discussion | SPC | 57 min |
| Jun 15, 10:30 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 15, 10:58 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 16, 6:41 PM CDT | Severe Thunderstorm Warning | BIS | 64 min |
| Jun 18, 5:03 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Jun 19, 6:38 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 19, 8:03 PM CDT | Severe Thunderstorm Warning | BIS | 28 min |
| Jun 20, 7:54 PM CDT | Tornado Watch | SPC | 7 hr |
| Jun 20, 8:04 PM CDT | Severe Thunderstorm Warning | BIS | 56 min |
| Jun 20, 8:55 PM CDT | Tornado Warning | BIS | 35 min |
| Jun 20, 9:01 PM CDT | Severe Thunderstorm Warning | BIS | 44 min |
| Jun 20, 9:44 PM CDT | Severe Thunderstorm Warning | BIS | 61 min |
| Jun 20, 11:05 PM CDT | Areal Flood Advisory | BIS | 5 hr |
| Jun 27, 3:36 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Jun 27, 5:20 PM CDT | Tornado Watch | SPC | 8 hr |
| Jun 27, 7:07 PM CDT | Severe Thunderstorm Warning | BIS | 68 min |
| Jun 27, 7:17 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Jun 27, 7:49 PM CDT | Severe Thunderstorm Warning | BIS | 56 min |
| Jun 27, 8:44 PM CDT | Severe Thunderstorm Warning | BIS | 46 min |
| Jun 27, 8:56 PM CDT | Severe Thunderstorm Warning | BIS | 64 min |
| Jun 27, 9:31 PM CDT | Severe Thunderstorm Warning | BIS | 44 min |
| Jun 27, 9:38 PM CDT | Severe Thunderstorm Warning | BIS | 67 min |
| Jul 3, 3:35 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Jul 3, 7:06 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 4, 12:15 AM CDT | Severe Thunderstorm Warning | BIS | 60 min |
| Jul 4, 2:10 AM CDT | Special Weather Statement | BIS | 35 min |
| Jul 6, 5:00 PM CDT | Special Weather Statement | BIS | 30 min |
| Jul 6, 5:27 PM CDT | Special Weather Statement | BIS | 33 min |
| Jul 25, 6:43 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 25, 7:39 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 25, 8:53 PM CDT | Mesoscale Discussion | SPC | 67 min |
| Jul 25, 11:04 PM CDT | Severe Thunderstorm Warning | BIS | 41 min |
| Jul 25, 11:29 PM CDT | Severe Thunderstorm Warning | BIS | 38 min |
| Jul 26, 11:48 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 27, 2:09 AM CDT | Mesoscale Discussion | SPC | 96 min |
| Jul 27, 3:55 AM CDT | Severe Thunderstorm Warning | BIS | 50 min |
| Jul 27, 4:21 AM CDT | Mesoscale Discussion | SPC | 54 min |
| Jul 27, 4:34 AM CDT | Severe Thunderstorm Warning | BIS | 56 min |
| Jul 28, 5:02 AM CDT | Mesoscale Discussion | SPC | 118 min |
| Jul 28, 7:21 AM CDT | Mesoscale Discussion | SPC | 114 min |
| Jul 29, 4:51 PM CDT | Severe Thunderstorm Warning | BIS | 39 min |
| Jul 29, 5:29 PM CDT | Severe Thunderstorm Warning | BIS | 61 min |
| Jul 29, 6:30 PM CDT | Severe Thunderstorm Warning | BIS | 45 min |
| Aug 7, 2:54 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 7, 7:39 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 7, 8:02 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 7, 10:30 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 7, 11:43 PM CDT | Special Weather Statement | BIS | 32 min |
| Aug 8, 12:09 AM CDT | Severe Thunderstorm Warning | BIS | 66 min |
| Aug 8, 12:55 AM CDT | Severe Thunderstorm Warning | BIS | 65 min |
| Aug 21, 8:02 AM CDT | Special Weather Statement | BIS | 28 min |
| Sep 1, 5:33 PM CDT | Special Weather Statement | BIS | 42 min |
| Sep 1, 6:15 PM CDT | Special Weather Statement | BIS | 30 min |
| Sep 11, 10:11 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 14, 1:07 PM CDT | Tornado Watch | SPC | 8 hr |
| Sep 14, 4:10 PM CDT | Areal Flood Advisory | BIS | 4 hr |
| Sep 14, 4:13 PM CDT | Tornado Warning | BIS | 32 min |
| Sep 14, 4:15 PM CDT | Severe Thunderstorm Warning | BIS | 60 min |
| Sep 14, 4:39 PM CDT | Tornado Warning | BIS | 36 min |
| Sep 14, 5:08 PM CDT | Tornado Warning | BIS | 52 min |
| Sep 14, 5:58 PM CDT | Tornado Warning | BIS | 32 min |
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 | 22 |
| Tornado Warning | 5 |
| Severe Thunderstorm Watch | 6 |
| Tornado Watch | 3 |
| Mesoscale Discussion | 16 |
| Special Weather Statement | 7 |
| Flooding | |
| Areal Flood Advisory | 2 |
| Fire | |
| Red Flag Warning | 6 |
| Fire Weather Watch | 3 |
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.