Alert archive / North Dakota / Severe Thunderstorm Warnings / 2021
Severe Thunderstorm Warnings in North Dakota, August 2021
69 severe thunderstorm warnings 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 severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in August 2021. Tap one for its archive.
- Severe Thunderstorm Warnings
- 69
- Busiest day
- August 30, 202121 severe thunderstorm warnings
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 4, 6:43 PM CDT | Severe Thunderstorm Warning | FGF | Towner | 21 min |
| Aug 9, 5:23 PM CDT | Severe Thunderstorm Warning | BIS | Wells | 52 min |
| Aug 9, 5:29 PM CDT | Severe Thunderstorm Warning | BIS | Kidder, Wells | 46 min |
| Aug 9, 5:38 PM CDT | Severe Thunderstorm Warning | FGF | Benson, Eddy | 52 min |
| Aug 9, 6:02 PM CDT | Severe Thunderstorm Warning | BIS | Foster, Wells | 43 min |
| Aug 9, 6:03 PM CDT | Severe Thunderstorm Warning | FGF | Benson, Eddy | 57 min |
| Aug 9, 6:10 PM CDT | Severe Thunderstorm Warning | BIS | McHenry, Pierce | 35 min |
| Aug 9, 6:12 PM CDT | Severe Thunderstorm Warning | FGF | Benson, Cavalier, Towner | 63 min |
| Aug 9, 6:43 PM CDT | Severe Thunderstorm Warning | BIS | Foster | 47 min |
| Aug 9, 6:59 PM CDT | Severe Thunderstorm Warning | FGF | Eddy | 31 min |
| Aug 9, 7:04 PM CDT | Severe Thunderstorm Warning | FGF | Cavalier, Ramsey, Towner | 56 min |
| Aug 9, 7:27 PM CDT | Severe Thunderstorm Warning | BIS | Foster | 48 min |
| Aug 9, 7:29 PM CDT | Severe Thunderstorm Warning | FGF | Eddy, Griggs, Nelson | 46 min |
| Aug 9, 7:51 PM CDT | Severe Thunderstorm Warning | BIS | LaMoure, Stutsman | 24 min |
| Aug 9, 7:57 PM CDT | Severe Thunderstorm Warning | FGF | Cavalier, Pembina, Ramsey, Walsh | 63 min |
| Aug 9, 8:08 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Nelson | 27 min |
| Aug 9, 8:12 PM CDT | Severe Thunderstorm Warning | FGF | Eddy, Griggs, Nelson | 63 min |
| Aug 9, 8:14 PM CDT | Severe Thunderstorm Warning | BIS | Foster | 31 min |
| Aug 9, 8:52 PM CDT | Severe Thunderstorm Warning | FGF | Cavalier, Pembina | 38 min |
| Aug 9, 9:09 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Griggs, Nelson, Steele | 66 min |
| Aug 9, 9:54 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Steele | 66 min |
| Aug 9, 10:30 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Steele, Traill | 30 min |
| Aug 9, 10:42 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Traill | 63 min |
| Aug 20, 4:49 PM CDT | Severe Thunderstorm Warning | FGF | Traill | 26 min |
| Aug 20, 5:13 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Traill | 39 min |
| Aug 22, 4:15 PM CDT | Severe Thunderstorm Warning | BIS | Foster, Pierce, Wells | 60 min |
| Aug 22, 4:19 PM CDT | Severe Thunderstorm Warning | FGF | Benson | 41 min |
| Aug 22, 5:13 PM CDT | Severe Thunderstorm Warning | BIS | Dickey | 32 min |
| Aug 22, 5:14 PM CDT | Severe Thunderstorm Warning | BIS | Foster, Wells | 61 min |
| Aug 22, 5:58 PM CDT | Severe Thunderstorm Warning | FGF | Eddy | 47 min |
| Aug 22, 6:37 PM CDT | Severe Thunderstorm Warning | FGF | Eddy, Nelson | 40 min |
| Aug 22, 6:48 PM CDT | Severe Thunderstorm Warning | FGF | Griggs | 57 min |
| Aug 22, 7:40 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Nelson | 23 min |
| Aug 22, 7:54 PM CDT | Severe Thunderstorm Warning | FGF | Steele | 11 min |
| Aug 23, 10:06 PM CDT | Severe Thunderstorm Warning | BIS | Sioux | 24 min |
| Aug 24, 12:14 AM CDT | Severe Thunderstorm Warning | BIS | Grant, Morton | 46 min |
| Aug 24, 12:45 AM CDT | Severe Thunderstorm Warning | BIS | Dickey | 30 min |
| Aug 24, 1:12 AM CDT | Severe Thunderstorm Warning | FGF | Richland, Sargent | 63 min |
| Aug 24, 2:14 AM CDT | Severe Thunderstorm Warning | FGF | Ransom, Richland, Sargent | 46 min |
| Aug 24, 6:16 AM CDT | Severe Thunderstorm Warning | BIS | McLean, Mountrail, Ward | 29 min |
| Aug 26, 2:18 AM CDT | Severe Thunderstorm Warning | BIS | Adams, Bowman | 27 min |
| Aug 26, 2:43 AM CDT | Severe Thunderstorm Warning | BIS | Adams, Bowman | 32 min |
| Aug 26, 3:28 AM CDT | Severe Thunderstorm Warning | BIS | Adams | 32 min |
| Aug 26, 3:52 AM CDT | Severe Thunderstorm Warning | BIS | Adams, Grant, Sioux | 23 min |
| Aug 27, 5:58 PM CDT | Severe Thunderstorm Warning | BIS | Divide, Williams | 47 min |
| Aug 27, 6:23 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie | 52 min |
| Aug 27, 6:43 PM CDT | Severe Thunderstorm Warning | BIS | Divide, Williams | 18 min |
| Aug 27, 7:06 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie, McLean, Mountrail | 54 min |
| Aug 30, 10:54 AM CDT | Severe Thunderstorm Warning | BIS | Oliver | 36 min |
| Aug 30, 11:28 AM CDT | Severe Thunderstorm Warning | BIS | Oliver | 47 min |
| Aug 30, 12:13 PM CDT | Severe Thunderstorm Warning | BIS | Morton, Oliver | 47 min |
| Aug 30, 12:58 PM CDT | Severe Thunderstorm Warning | BIS | Morton, Oliver | 47 min |
| Aug 30, 1:02 PM CDT | Severe Thunderstorm Warning | BIS | Mercer, Oliver | 43 min |
| Aug 30, 1:42 PM CDT | Severe Thunderstorm Warning | BIS | Morton, Oliver | 63 min |
| Aug 30, 1:44 PM CDT | Severe Thunderstorm Warning | BIS | Mercer, Oliver | 61 min |
| Aug 30, 2:17 PM CDT | Severe Thunderstorm Warning | BIS | Morton | 58 min |
| Aug 30, 3:15 PM CDT | Severe Thunderstorm Warning | BIS | Morton | 60 min |
| Aug 30, 3:48 PM CDT | Severe Thunderstorm Warning | BIS | McLean | 42 min |
| Aug 30, 4:16 PM CDT | Severe Thunderstorm Warning | BIS | Morton | 59 min |
| Aug 30, 4:32 PM CDT | Severe Thunderstorm Warning | BIS | Hettinger | 58 min |
| Aug 30, 4:43 PM CDT | Severe Thunderstorm Warning | BIS | Grant, Morton | 47 min |
| Aug 30, 5:00 PM CDT | Severe Thunderstorm Warning | BIS | Grant, Morton | 60 min |
| Aug 30, 5:28 PM CDT | Severe Thunderstorm Warning | BIS | Mercer, Oliver | 47 min |
| Aug 30, 5:29 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Hettinger | 61 min |
| Aug 30, 5:43 PM CDT | Severe Thunderstorm Warning | BIS | McLean, Mercer | 47 min |
| Aug 30, 5:54 PM CDT | Severe Thunderstorm Warning | BIS | Grant, Morton | 38 min |
| Aug 30, 6:02 PM CDT | Severe Thunderstorm Warning | BIS | Grant, Morton, Sioux | 58 min |
| Aug 30, 6:30 PM CDT | Severe Thunderstorm Warning | BIS | Adams | 60 min |
| Aug 30, 6:49 PM CDT | Severe Thunderstorm Warning | BIS | Emmons, Grant, Morton, Sioux | 35 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Morton County12
- Oliver County8
- Eddy County7
- Grand Forks County7
- Grant County7
- Foster County6
- Nelson County6
- Adams County6
- Wells County5
- Benson County4
- Cavalier County4
- Griggs County4
- Steele County4
- Traill County4
- Sioux County4
- McLean County4
- Mercer County4
- Towner County3
- Pierce County2
- Ramsey County2
- Pembina County2
- Dickey County2
- Richland County2
- Sargent County2
- Mountrail County2
- Bowman County2
- Divide County2
- Williams County2
- McKenzie County2
- Hettinger County2
- Kidder County1
- McHenry County1
- LaMoure County1
- Stutsman County1
- Walsh County1
- Ransom County1
- Ward County1
- Emmons 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. Rebuilt daily.