Alert archive / North Dakota / Logan County
Weather alerts in Logan County, North Dakota, 2026
126 weather alerts in 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Logan County and its neighbors
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Alerts
- 126
- Warnings
- 34
- Watches
- 20
- Advisories
- 39
- Busiest month
- July28 alerts
- Busiest day
- August 12, 20268 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Logan County, 2026
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 21 | 9 | 57% | 2 | 100% | 6 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2026
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Bismarck, ND: tornado warnings | 21 | 4 | 81% | 11 | 36% | 13 min |
| NWS Bismarck, ND: severe thunderstorm warnings | 354 | 164 | 54% | 360 | 84% | 24 min |
| NWS Bismarck, ND: flash flood warnings | 4 | 0 | 100% | 0 |
An office's figures cover every county it serves, including across state lines.
The year is still running; reports filed late and damage surveys can still change these figures.
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 3, 8:39 PM CST | Dense Fog Advisory | BIS | 18 hr |
| Jan 4, 3:52 AM CST | Winter Weather Advisory | BIS | 14 hr |
| Jan 14, 1:50 AM CST | High Wind Watch | BIS | 25 hr |
| Jan 15, 2:51 AM CST | Wind Advisory | BIS | 39 hr |
| Jan 16, 2:28 AM CST | Winter Weather Advisory | BIS | 22 hr |
| Jan 16, 1:02 PM CST | Cold Weather Advisory | BIS | 23 hr |
| Jan 17, 2:29 AM CST | Wind Advisory | BIS | 40 hr |
| Jan 17, 1:57 PM CST | Winter Weather Advisory | BIS | 31 hr |
| Jan 18, 2:21 PM CST | Cold Weather Advisory | BIS | 20 hr |
| Jan 20, 1:41 PM CST | Extreme Cold Watch | BIS | 25 hr |
| Jan 20, 1:52 PM CST | Winter Weather Advisory | BIS | 30 hr |
| Jan 21, 2:22 PM CST | Extreme Cold Warning | BIS | 4 days |
| Jan 23, 11:41 AM CST | Cold Weather Advisory | BIS | 69 hr |
| Jan 26, 4:33 AM CST | Wind Advisory | BIS | 17 hr |
| Jan 30, 2:55 AM CST | Winter Weather Advisory | BIS | 45 hr |
| Feb 7, 8:07 PM CST | Dense Fog Advisory | BIS | 16 hr |
| Feb 17, 2:11 AM CST | Wind Advisory | BIS | 40 hr |
| Feb 17, 2:11 AM CST | Winter Weather Advisory | BIS | 46 hr |
| Feb 27, 1:38 PM CST | Winter Weather Advisory | BIS | 22 hr |
| Mar 4, 5:52 PM CST | Dense Fog Advisory | BIS | 23 hr |
| Mar 5, 5:51 PM CST | Dense Fog Advisory | BIS | 9 hr |
| Mar 10, 1:34 PM CDT | High Wind Watch | BIS | 24 hr |
| Mar 11, 1:20 PM CDT | High Wind Warning | BIS | 38 hr |
| Mar 12, 2:13 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 13, 3:30 AM CDT | Winter Storm Watch | BIS | 10 hr |
| Mar 13, 1:39 PM CDT | Winter Storm Warning | BIS | 44 hr |
| Mar 13, 1:39 PM CDT | Winter Weather Advisory | BIS | 48 hr |
| Mar 31, 2:29 PM CDT | Winter Weather Advisory | BIS | 53 hr |
| Apr 1, 1:50 PM CDT | Winter Storm Watch | BIS | 23 hr |
| Apr 2, 12:29 PM CDT | Winter Storm Warning | BIS | 49 hr |
| Apr 7, 1:16 PM CDT | Wind Advisory | BIS | 30 hr |
| Apr 11, 8:42 PM CDT | Dense Fog Advisory | BIS | 13 hr |
| Apr 21, 1:19 PM CDT | Fire Weather Watch | BIS | 14 hr |
| Apr 22, 3:15 AM CDT | Red Flag Warning | BIS | 21 hr |
| Apr 22, 1:09 PM CDT | Wind Advisory | BIS | 33 hr |
| Apr 22, 8:55 PM CDT | Special Weather Statement | BIS | 50 min |
| Apr 22, 9:06 PM CDT | Severe Thunderstorm Warning | BIS | 39 min |
| Apr 23, 3:02 AM CDT | Red Flag Warning | BIS | 16 hr |
| Apr 27, 3:30 AM CDT | Wind Advisory | BIS | 15 hr |
| May 8, 2:58 AM CDT | Red Flag Warning | BIS | 19 hr |
| May 9, 11:39 AM CDT | Freeze Warning | BIS | 21 hr |
| May 10, 1:34 AM CDT | Fire Weather Watch | BIS | 23 hr |
| May 11, 12:51 AM CDT | Red Flag Warning | BIS | 21 hr |
| May 11, 12:34 PM CDT | Wind Advisory | BIS | 30 hr |
| May 11, 2:01 PM CDT | Red Flag Warning | BIS | 31 hr |
| May 13, 1:28 AM CDT | Fire Weather Watch | BIS | 21 hr |
| May 13, 1:47 PM CDT | Wind Advisory | BIS | 55 hr |
| May 13, 2:02 PM CDT | Red Flag Warning | BIS | 55 hr |
| May 18, 12:34 PM CDT | Frost Advisory | BIS | 20 hr |
| May 19, 11:35 AM CDT | Freeze Warning | BIS | 21 hr |
| Jun 2, 1:44 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 2, 3:04 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 2, 5:28 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 2, 6:16 PM CDT | Special Weather Statement | BIS | 29 min |
| Jun 2, 6:45 PM CDT | Special Weather Statement | BIS | 30 min |
| Jun 2, 7:07 PM CDT | Special Weather Statement | BIS | 23 min |
| Jun 2, 7:16 PM CDT | Special Weather Statement | BIS | 29 min |
| Jun 3, 2:43 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 7, 1:17 AM CDT | Wind Advisory | BIS | 19 hr |
| Jun 7, 3:58 PM CDT | Severe Thunderstorm Watch | SPC | 11 hr |
| Jun 7, 11:08 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Jun 8, 12:48 AM CDT | Severe Thunderstorm Warning | BIS | 57 min |
| Jun 8, 1:08 AM CDT | Severe Thunderstorm Warning | BIS | 42 min |
| Jun 8, 1:23 AM CDT | Severe Thunderstorm Warning | BIS | 52 min |
| Jun 9, 4:32 PM CDT | Tornado Watch | SPC | 8 hr |
| Jun 15, 12:46 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Jun 27, 4:06 AM CDT | Wind Advisory | BIS | 11 hr |
| Jun 27, 9:37 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 27, 11:25 PM CDT | Severe Thunderstorm Warning | BIS | 65 min |
| Jun 29, 12:41 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 29, 2:00 PM CDT | Tornado Watch | SPC | 10 hr |
| Jun 30, 2:18 AM CDT | Wind Advisory | BIS | 15 hr |
| Jul 7, 6:24 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 9, 2:04 AM CDT | Extreme Heat Watch | BIS | 24 hr |
| Jul 9, 3:58 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 9, 5:27 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 9, 8:49 PM CDT | Severe Thunderstorm Warning | BIS | 41 min |
| Jul 9, 9:22 PM CDT | Severe Thunderstorm Warning | BIS | 53 min |
| Jul 9, 9:51 PM CDT | Severe Thunderstorm Warning | BIS | 84 min |
| Jul 9, 10:23 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 9, 10:50 PM CDT | Severe Thunderstorm Warning | BIS | 55 min |
| Jul 9, 11:40 PM CDT | Severe Thunderstorm Warning | BIS | 65 min |
| Jul 10, 2:02 AM CDT | Extreme Heat Warning | BIS | 5 days |
| Jul 14, 12:53 PM CDT | Heat Advisory | BIS | 57 hr |
| Jul 18, 12:42 PM CDT | Heat Advisory | BIS | 32 hr |
| Jul 19, 3:55 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 19, 4:26 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jul 19, 6:48 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Jul 19, 8:43 PM CDT | Special Weather Statement | BIS | 32 min |
| Jul 19, 9:12 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Jul 19, 9:56 PM CDT | Severe Thunderstorm Warning | BIS | 58 min |
| Jul 19, 11:42 PM CDT | Mesoscale Discussion | SPC | 63 min |
| Jul 24, 11:03 AM CDT | Heat Advisory | BIS | 58 hr |
| Jul 24, 3:55 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 24, 5:30 PM CDT | Severe Thunderstorm Warning | BIS | 60 min |
| Jul 24, 5:48 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Jul 24, 5:57 PM CDT | Severe Thunderstorm Warning | BIS | 33 min |
| Jul 24, 6:15 PM CDT | Severe Thunderstorm Warning | BIS | 60 min |
| Jul 24, 6:42 PM CDT | Severe Thunderstorm Warning | BIS | 33 min |
| Jul 29, 1:46 AM CDT | Heat Advisory | BIS | 18 hr |
| Aug 3, 5:25 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 8, 7:08 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Aug 8, 10:47 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Aug 11, 4:33 PM CDT | Special Weather Statement | BIS | 27 min |
| Aug 11, 5:18 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Aug 11, 5:40 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 11, 10:27 PM CDT | Severe Thunderstorm Warning | BIS | 50 min |
| Aug 11, 10:38 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Aug 11, 10:48 PM CDT | Severe Thunderstorm Warning | BIS | 57 min |
| Aug 11, 11:42 PM CDT | Special Weather Statement | BIS | 33 min |
| Aug 12, 4:46 PM CDT | Special Weather Statement | BIS | 29 min |
| Aug 12, 5:13 PM CDT | Special Weather Statement | BIS | 32 min |
| Aug 12, 5:29 PM CDT | Severe Thunderstorm Warning | BIS | 46 min |
| Aug 12, 5:51 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Aug 24, 5:29 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 24, 5:53 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 24, 7:42 PM CDT | Severe Thunderstorm Warning | BIS | 63 min |
| Aug 24, 8:21 PM CDT | Severe Thunderstorm Warning | BIS | 54 min |
| Aug 24, 8:36 PM CDT | Severe Thunderstorm Warning | BIS | 54 min |
| Sep 4, 1:53 AM CDT | Dense Fog Advisory | BIS | 10 hr |
| Sep 5, 12:48 AM CDT | Mesoscale Discussion | SPC | 117 min |
| Sep 13, 1:00 PM CDT | Wind Advisory | BIS | 42 hr |
| Sep 17, 4:14 AM CDT | Dense Fog Advisory | BIS | 9 hr |
| Sep 25, 12:47 AM CDT | Dense Fog Advisory | BIS | 10 hr |
| Sep 28, 3:11 PM CDT | Areal Flood Advisory | BIS | 4 hr |
| Sep 28, 5:42 PM CDT | Flood Watch | BIS | 13 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 archive2025
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.