Alert archive / North Dakota / Mesoscale Discussions / 2021
Mesoscale Discussions in North Dakota, August 2021
14 mesoscale discussions in August 2021. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of mesoscale discussions reaches back to 2003.
Mesoscale Discussions by county
Each county as a circle sized by its count in August 2021. Tap one for its archive.
- Mesoscale Discussions
- 14
- Busiest day
- August 24, 20213 mesoscale discussions
Over time
By day
Days in UTC, the clock the archive keeps.
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 | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 7:12 PM CDT | Mesoscale Discussion | SPC | Dickey, LaMoure, Logan, Ransom, Sargent | 93 min |
| Aug 9, 2:56 PM CDT | Mesoscale Discussion | SPC | Barnes, Benson, Burleigh, Cass, Cavalier, Eddy and 19 more | 2 hr |
| Aug 9, 6:34 PM CDT | Mesoscale Discussion | SPC | Barnes, Benson, Cavalier, Eddy, Foster, Grand Forks and 11 more | 86 min |
| Aug 9, 9:52 PM CDT | Mesoscale Discussion | SPC | Cavalier, Grand Forks, Griggs, Nelson, Pembina, Ramsey and 3 more | 83 min |
| Aug 20, 1:41 PM CDT | Mesoscale Discussion | SPC | Cass, Grand Forks, Pembina, Ransom, Richland, Sargent and 3 more | 3 hr |
| Aug 22, 2:21 PM CDT | Mesoscale Discussion | SPC | Benson, Burleigh, Dickey, Eddy, Emmons, Foster and 9 more | 2 hr |
| Aug 22, 5:59 PM CDT | Mesoscale Discussion | SPC | Barnes, Benson, Cass, Dickey, Eddy, Foster and 17 more | 91 min |
| Aug 23, 7:38 PM CDT | Mesoscale Discussion | SPC | Emmons, Grant, Logan, McIntosh, Sioux | 2 hr |
| Aug 23, 9:37 PM CDT | Mesoscale Discussion | SPC | Sioux | 113 min |
| Aug 23, 11:32 PM CDT | Mesoscale Discussion | SPC | Dickey, Emmons, McIntosh, Richland, Sargent | 118 min |
| Aug 26, 2:35 AM CDT | Mesoscale Discussion | SPC | Adams, Dickey, Emmons, Grant, McIntosh, Sioux | 2 hr |
| Aug 27, 3:55 PM CDT | Mesoscale Discussion | SPC | Adams, Billings, Bowman, Dunn, Golden Valley, Hettinger and 5 more | 2 hr |
| Aug 30, 2:54 PM CDT | Mesoscale Discussion | SPC | Adams, Dunn, Emmons, Grant, Hettinger, McLean and 5 more | 2 hr |
| Aug 30, 5:58 PM CDT | Mesoscale Discussion | SPC | Adams, Dunn, Emmons, Grant, Hettinger, Mercer and 4 more | 62 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Logan County6
- Emmons County6
- Dickey County5
- Grand Forks County5
- Steele County5
- Walsh County5
- McIntosh County5
- Sioux County5
- LaMoure County4
- Sargent County4
- Benson County4
- Eddy County4
- Foster County4
- Griggs County4
- Nelson County4
- Pembina County4
- Ramsey County4
- Stutsman County4
- Traill County4
- Wells County4
- Grant County4
- Adams County4
- Ransom County3
- Barnes County3
- Cass County3
- Cavalier County3
- Kidder County3
- McHenry County3
- Pierce County3
- Sheridan County3
- Dunn County3
- Hettinger County3
- Stark County3
- Burleigh County2
- Towner County2
- Richland County2
- Mercer County2
- Morton County2
- Oliver County2
- Rolette County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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.