Alert archive / North Dakota / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in North Dakota, 1998
242 severe thunderstorm warnings in 1998. 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 1998. Tap one for its archive.
- Severe Thunderstorm Warnings
- 242
- Busiest month
- July72 severe thunderstorm warnings
- Busiest day
- July 6, 199817 severe thunderstorm warnings
Over time
By month
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 |
|---|---|---|---|---|
| May 13, 5:32 PM CDT | Severe Thunderstorm Warning | BIS | Slope | 48 min |
| May 13, 6:11 PM CDT | Severe Thunderstorm Warning | BIS | Dunn | 64 min |
| May 13, 6:15 PM CDT | Severe Thunderstorm Warning | BIS | Stark | 45 min |
| May 13, 7:51 PM CDT | Severe Thunderstorm Warning | BIS | Oliver | 64 min |
| May 13, 10:22 PM CDT | Severe Thunderstorm Warning | BIS | McLean, Mercer | 48 min |
| May 14, 12:52 AM CDT | Severe Thunderstorm Warning | FGF | Benson | 33 min |
| May 14, 1:25 AM CDT | Severe Thunderstorm Warning | FGF | Ramsey | 30 min |
| May 14, 1:47 AM CDT | Severe Thunderstorm Warning | FGF | Nelson | 33 min |
| May 14, 2:16 AM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Walsh | 34 min |
| May 14, 2:50 AM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Walsh | 15 min |
| May 14, 1:26 PM CDT | Severe Thunderstorm Warning | FGF | Ramsey | 49 min |
| May 14, 1:56 PM CDT | Severe Thunderstorm Warning | FGF | Cavalier | 49 min |
| May 14, 2:31 PM CDT | Severe Thunderstorm Warning | FGF | Cavalier | 49 min |
| May 14, 6:53 PM CDT | Severe Thunderstorm Warning | FGF | Pembina | 47 min |
| May 14, 7:07 PM CDT | Severe Thunderstorm Warning | FGF | Walsh | 33 min |
| May 14, 11:40 PM CDT | Severe Thunderstorm Warning | FGF | Richland | 30 min |
| May 15, 12:11 AM CDT | Severe Thunderstorm Warning | FGF | Richland | 34 min |
| May 17, 4:35 PM CDT | Severe Thunderstorm Warning | BIS | Ward | 50 min |
| May 17, 6:02 PM CDT | Severe Thunderstorm Warning | BIS | Ward | 63 min |
| May 17, 7:10 PM CDT | Severe Thunderstorm Warning | BIS | Ward | 45 min |
| May 17, 7:17 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau, McHenry | 63 min |
| May 17, 7:50 PM CDT | Severe Thunderstorm Warning | BIS | McHenry | 60 min |
| May 17, 8:33 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau | 32 min |
| May 17, 8:39 PM CDT | Severe Thunderstorm Warning | BIS | Pierce | 61 min |
| May 17, 9:03 PM CDT | Severe Thunderstorm Warning | BIS | Rolette | 62 min |
| May 17, 9:23 PM CDT | Severe Thunderstorm Warning | FGF | Benson | 32 min |
| May 17, 10:02 PM CDT | Severe Thunderstorm Warning | FGF | Towner | 28 min |
| May 17, 10:16 PM CDT | Severe Thunderstorm Warning | FGF | Benson, Eddy, Ramsey | 29 min |
| May 17, 10:47 PM CDT | Severe Thunderstorm Warning | FGF | Benson, Eddy | 33 min |
| May 17, 10:52 PM CDT | Severe Thunderstorm Warning | FGF | Ramsey | 33 min |
| May 17, 11:17 PM CDT | Severe Thunderstorm Warning | FGF | Eddy | 33 min |
| May 17, 11:46 PM CDT | Severe Thunderstorm Warning | FGF | Nelson | 59 min |
| May 18, 12:44 AM CDT | Severe Thunderstorm Warning | FGF | Grand Forks | 61 min |
| May 27, 4:33 PM CDT | Severe Thunderstorm Warning | BIS | McLean, Mercer | 47 min |
| May 27, 5:16 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh | 49 min |
| May 27, 6:08 PM CDT | Severe Thunderstorm Warning | FGF | Cavalier | 62 min |
| May 27, 6:10 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Kidder | 60 min |
| May 27, 6:57 PM CDT | Severe Thunderstorm Warning | FGF | Walsh | 33 min |
| May 27, 7:07 PM CDT | Severe Thunderstorm Warning | FGF | Cavalier | 33 min |
| May 27, 7:10 PM CDT | Severe Thunderstorm Warning | BIS | Kidder | 45 min |
| May 27, 7:31 PM CDT | Severe Thunderstorm Warning | FGF | Walsh | 29 min |
| May 27, 7:40 PM CDT | Severe Thunderstorm Warning | BIS | Stutsman | 30 min |
| May 27, 8:11 PM CDT | Severe Thunderstorm Warning | BIS | Stutsman | 49 min |
| May 27, 8:30 PM CDT | Severe Thunderstorm Warning | BIS | McHenry, Renville, Ward | 60 min |
| May 27, 9:01 PM CDT | Severe Thunderstorm Warning | FGF | Barnes | 34 min |
| May 27, 9:43 PM CDT | Severe Thunderstorm Warning | FGF | Barnes | 27 min |
| May 27, 10:37 PM CDT | Severe Thunderstorm Warning | FGF | Ransom | 33 min |
| May 28, 2:48 PM CDT | Severe Thunderstorm Warning | FGF | Cavalier | 32 min |
| May 28, 3:18 PM CDT | Severe Thunderstorm Warning | FGF | Cavalier, Pembina | 32 min |
| May 28, 3:52 PM CDT | Severe Thunderstorm Warning | FGF | Pembina | 33 min |
| May 28, 4:26 PM CDT | Severe Thunderstorm Warning | FGF | Pembina | 34 min |
| May 28, 5:05 PM CDT | Severe Thunderstorm Warning | FGF | Pembina | 30 min |
| May 30, 3:31 AM CDT | Severe Thunderstorm Warning | BIS | Stark | 49 min |
| May 30, 3:58 AM CDT | Severe Thunderstorm Warning | FGF | Richland | 47 min |
| May 30, 4:18 AM CDT | Severe Thunderstorm Warning | BIS | Morton | 47 min |
| Jun 10, 4:22 PM CDT | Severe Thunderstorm Warning | BIS | Dickey, LaMoure | 63 min |
| Jun 10, 4:45 PM CDT | Severe Thunderstorm Warning | BIS | Stutsman | 60 min |
| Jun 10, 4:53 PM CDT | Severe Thunderstorm Warning | BIS | Grant, Morton | 52 min |
| Jun 10, 5:13 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Morton | 32 min |
| Jun 10, 6:07 PM CDT | Severe Thunderstorm Warning | BIS | Stutsman | 33 min |
| Jun 10, 6:15 PM CDT | Severe Thunderstorm Warning | FGF | Ransom | 30 min |
| Jun 10, 6:29 PM CDT | Severe Thunderstorm Warning | FGF | Barnes | 31 min |
| Jun 10, 6:48 PM CDT | Severe Thunderstorm Warning | FGF | Ransom, Sargent | 32 min |
| Jun 10, 7:17 PM CDT | Severe Thunderstorm Warning | FGF | Barnes | 28 min |
| Jun 10, 7:23 PM CDT | Severe Thunderstorm Warning | FGF | Ransom, Sargent | 32 min |
| Jun 10, 7:49 PM CDT | Severe Thunderstorm Warning | FGF | Barnes | 31 min |
| Jun 10, 7:54 PM CDT | Severe Thunderstorm Warning | FGF | Richland | 31 min |
| Jun 10, 7:56 PM CDT | Severe Thunderstorm Warning | FGF | Cass | 29 min |
| Jun 10, 8:07 PM CDT | Severe Thunderstorm Warning | BIS | Dickey | 53 min |
| Jun 10, 8:08 PM CDT | Severe Thunderstorm Warning | FGF | Traill | 32 min |
| Jun 10, 8:24 PM CDT | Severe Thunderstorm Warning | FGF | Barnes | 31 min |
| Jun 10, 9:34 PM CDT | Severe Thunderstorm Warning | FGF | Cass | 31 min |
| Jun 13, 4:25 PM CDT | Severe Thunderstorm Warning | BIS | Stark | 30 min |
| Jun 13, 5:39 PM CDT | Severe Thunderstorm Warning | FGF | Ramsey | 31 min |
| Jun 18, 12:22 AM CDT | Severe Thunderstorm Warning | BIS | Dickey | 48 min |
| Jun 18, 2:47 AM CDT | Severe Thunderstorm Warning | FGF | Cass | 33 min |
| Jun 18, 6:30 PM CDT | Severe Thunderstorm Warning | BIS | Sioux | 60 min |
| Jun 23, 6:40 PM CDT | Severe Thunderstorm Warning | BIS | Williams | 35 min |
| Jun 24, 4:18 PM CDT | Severe Thunderstorm Warning | FGF | Cavalier | 32 min |
| Jun 24, 5:06 PM CDT | Severe Thunderstorm Warning | FGF | Pembina | 29 min |
| Jun 24, 8:20 PM CDT | Severe Thunderstorm Warning | BIS | McIntosh | 40 min |
| Jun 24, 9:06 PM CDT | Severe Thunderstorm Warning | BIS | McIntosh | 24 min |
| Jun 24, 9:43 PM CDT | Severe Thunderstorm Warning | BIS | McIntosh | 32 min |
| Jun 24, 10:56 PM CDT | Severe Thunderstorm Warning | FGF | Sargent | 34 min |
| Jun 24, 11:23 PM CDT | Severe Thunderstorm Warning | FGF | Sargent | 27 min |
| Jun 24, 11:53 PM CDT | Severe Thunderstorm Warning | FGF | Sargent | 32 min |
| Jun 25, 12:29 AM CDT | Severe Thunderstorm Warning | FGF | Sargent | 31 min |
| Jun 25, 12:59 AM CDT | Severe Thunderstorm Warning | FGF | Sargent | 31 min |
| Jun 26, 1:38 AM CDT | Severe Thunderstorm Warning | BIS | Billings | 62 min |
| Jun 26, 3:59 AM CDT | Severe Thunderstorm Warning | BIS | Mercer | 31 min |
| Jun 26, 1:13 PM CDT | Severe Thunderstorm Warning | BIS | McIntosh | 32 min |
| Jun 26, 4:29 PM CDT | Severe Thunderstorm Warning | FGF | Ransom | 46 min |
| Jun 26, 5:26 PM CDT | Severe Thunderstorm Warning | FGF | Cass, Ransom, Richland | 44 min |
| Jun 26, 6:03 PM CDT | Severe Thunderstorm Warning | FGF | Cass, Richland | 47 min |
| Jun 26, 6:30 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau | 35 min |
| Jun 30, 5:30 PM CDT | Severe Thunderstorm Warning | FGF | Griggs | 30 min |
| Jun 30, 6:01 PM CDT | Severe Thunderstorm Warning | BIS | Ward | 44 min |
| Jul 2, 1:38 PM CDT | Severe Thunderstorm Warning | BIS | Ward | 32 min |
| Jul 2, 2:58 PM CDT | Severe Thunderstorm Warning | BIS | McHenry | 47 min |
| Jul 4, 10:50 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie, Williams | 60 min |
| Jul 4, 11:56 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie, Williams | 59 min |
| Jul 5, 7:57 PM CDT | Severe Thunderstorm Warning | BIS | Burke | 48 min |
| Jul 5, 8:36 PM CDT | Severe Thunderstorm Warning | BIS | Ward | 44 min |
| Jul 5, 9:03 PM CDT | Severe Thunderstorm Warning | BIS | Mountrail | 47 min |
| Jul 5, 9:52 PM CDT | Severe Thunderstorm Warning | BIS | Divide, Williams | 58 min |
| Jul 5, 10:47 PM CDT | Severe Thunderstorm Warning | BIS | Mountrail | 58 min |
| Jul 5, 11:44 PM CDT | Severe Thunderstorm Warning | BIS | Mountrail | 46 min |
| Jul 6, 12:39 AM CDT | Severe Thunderstorm Warning | BIS | Mountrail, Ward | 61 min |
| Jul 6, 3:31 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie | 64 min |
| Jul 6, 4:01 PM CDT | Severe Thunderstorm Warning | BIS | Ward | 64 min |
| Jul 6, 5:23 PM CDT | Severe Thunderstorm Warning | BIS | Emmons | 47 min |
| Jul 6, 5:30 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh | 45 min |
| Jul 6, 5:45 PM CDT | Severe Thunderstorm Warning | BIS | McLean | 45 min |
| Jul 6, 6:00 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie | 60 min |
| Jul 6, 6:03 PM CDT | Severe Thunderstorm Warning | BIS | Renville | 32 min |
| Jul 6, 6:04 PM CDT | Severe Thunderstorm Warning | BIS | McIntosh | 31 min |
| Jul 6, 6:20 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Kidder | 50 min |
| Jul 6, 6:22 PM CDT | Severe Thunderstorm Warning | BIS | McLean | 63 min |
| Jul 6, 7:00 PM CDT | Severe Thunderstorm Warning | BIS | Ward | 35 min |
| Jul 6, 7:01 PM CDT | Severe Thunderstorm Warning | BIS | Sheridan | 44 min |
| Jul 6, 7:12 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie | 33 min |
| Jul 6, 7:24 PM CDT | Severe Thunderstorm Warning | BIS | McLean, Sheridan | 46 min |
| Jul 6, 8:14 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau | 51 min |
| Jul 6, 8:45 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh | 30 min |
| Jul 6, 9:03 PM CDT | Severe Thunderstorm Warning | BIS | Emmons | 62 min |
| Jul 6, 9:28 PM CDT | Severe Thunderstorm Warning | BIS | McHenry | 47 min |
| Jul 9, 3:59 PM CDT | Severe Thunderstorm Warning | BIS | Burke, Ward | 46 min |
| Jul 9, 4:48 PM CDT | Severe Thunderstorm Warning | BIS | Renville | 42 min |
| Jul 9, 9:30 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie | 45 min |
| Jul 9, 10:20 PM CDT | Severe Thunderstorm Warning | BIS | Adams | 40 min |
| Jul 14, 12:38 AM CDT | Severe Thunderstorm Warning | BIS | Golden Valley | 47 min |
| Jul 14, 1:20 AM CDT | Severe Thunderstorm Warning | BIS | McKenzie | 60 min |
| Jul 14, 1:25 AM CDT | Severe Thunderstorm Warning | BIS | Billings | 60 min |
| Jul 14, 1:43 AM CDT | Severe Thunderstorm Warning | BIS | Bowman, Slope | 62 min |
| Jul 14, 3:13 AM CDT | Severe Thunderstorm Warning | BIS | Morton, Oliver | 47 min |
| Jul 14, 3:18 AM CDT | Severe Thunderstorm Warning | BIS | Hettinger | 47 min |
| Jul 14, 4:04 AM CDT | Severe Thunderstorm Warning | BIS | McLean, Oliver | 61 min |
| Jul 14, 5:11 AM CDT | Severe Thunderstorm Warning | BIS | Pierce | 44 min |
| Jul 14, 6:41 AM CDT | Severe Thunderstorm Warning | FGF | Cavalier, Pembina | 29 min |
| Jul 14, 7:46 AM CDT | Severe Thunderstorm Warning | FGF | Cass | 34 min |
| Jul 14, 6:22 PM CDT | Severe Thunderstorm Warning | FGF | Richland | 33 min |
| Jul 14, 6:56 PM CDT | Severe Thunderstorm Warning | FGF | Richland | 49 min |
| Jul 14, 8:12 PM CDT | Severe Thunderstorm Warning | FGF | Richland | 33 min |
| Jul 18, 6:56 AM CDT | Severe Thunderstorm Warning | FGF | Benson | 34 min |
| Jul 18, 7:40 AM CDT | Severe Thunderstorm Warning | FGF | Benson | 35 min |
| Jul 18, 7:48 AM CDT | Severe Thunderstorm Warning | FGF | Griggs | 32 min |
| Jul 18, 7:51 AM CDT | Severe Thunderstorm Warning | FGF | Cavalier | 34 min |
| Jul 18, 7:56 AM CDT | Severe Thunderstorm Warning | FGF | Barnes | 34 min |
| Jul 18, 8:19 AM CDT | Severe Thunderstorm Warning | FGF | Griggs | 31 min |
| Jul 18, 8:29 AM CDT | Severe Thunderstorm Warning | FGF | Barnes | 31 min |
| Jul 18, 8:42 AM CDT | Severe Thunderstorm Warning | FGF | Cass, Ransom | 38 min |
| Jul 18, 8:42 AM CDT | Severe Thunderstorm Warning | FGF | Cass, Ransom | 33 min |
| Jul 18, 9:00 AM CDT | Severe Thunderstorm Warning | FGF | Barnes | 20 min |
| Jul 18, 9:04 AM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Walsh | 31 min |
| Jul 18, 9:17 AM CDT | Severe Thunderstorm Warning | FGF | Cass | 48 min |
| Jul 18, 9:22 AM CDT | Severe Thunderstorm Warning | FGF | Ransom, Richland | 48 min |
| Jul 18, 10:08 AM CDT | Severe Thunderstorm Warning | FGF | Richland | 47 min |
| Jul 18, 11:07 AM CDT | Severe Thunderstorm Warning | FGF | Richland | 33 min |
| Jul 18, 7:11 PM CDT | Severe Thunderstorm Warning | FGF | Ransom | 34 min |
| Jul 18, 7:44 PM CDT | Severe Thunderstorm Warning | FGF | Richland | 46 min |
| Jul 18, 8:11 PM CDT | Severe Thunderstorm Warning | FGF | Richland | 34 min |
| Jul 18, 8:42 PM CDT | Severe Thunderstorm Warning | FGF | Richland | 18 min |
| Jul 20, 8:17 AM CDT | Severe Thunderstorm Warning | BIS | Rolette | 33 min |
| Jul 20, 10:02 AM CDT | Severe Thunderstorm Warning | FGF | Pembina | 33 min |
| Jul 20, 3:06 PM CDT | Severe Thunderstorm Warning | FGF | Ransom | 34 min |
| Jul 20, 3:37 PM CDT | Severe Thunderstorm Warning | FGF | Ransom, Richland | 33 min |
| Jul 20, 4:08 PM CDT | Severe Thunderstorm Warning | FGF | Richland | 32 min |
| Jul 20, 4:37 PM CDT | Severe Thunderstorm Warning | FGF | Richland | 33 min |
| Jul 20, 5:12 PM CDT | Severe Thunderstorm Warning | FGF | Richland | 33 min |
| Aug 1, 3:44 PM CDT | Severe Thunderstorm Warning | BIS | Bowman | 46 min |
| Aug 1, 7:46 PM CDT | Severe Thunderstorm Warning | BIS | Williams | 59 min |
| Aug 1, 9:25 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie, Williams | 60 min |
| Aug 1, 10:38 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie, Williams | 32 min |
| Aug 2, 2:05 AM CDT | Severe Thunderstorm Warning | BIS | Mercer | 65 min |
| Aug 12, 5:31 PM CDT | Severe Thunderstorm Warning | FGF | Pembina | 34 min |
| Aug 12, 6:02 PM CDT | Severe Thunderstorm Warning | FGF | Pembina | 48 min |
| Aug 12, 6:39 PM CDT | Severe Thunderstorm Warning | FGF | Cavalier, Pembina, Walsh | 36 min |
| Aug 12, 7:12 PM CDT | Severe Thunderstorm Warning | FGF | Walsh | 33 min |
| Aug 12, 7:42 PM CDT | Severe Thunderstorm Warning | FGF | Nelson, Walsh | 33 min |
| Aug 12, 8:10 PM CDT | Severe Thunderstorm Warning | FGF | Nelson | 35 min |
| Aug 12, 8:10 PM CDT | Severe Thunderstorm Warning | FGF | Nelson | 20 min |
| Aug 13, 4:21 PM CDT | Severe Thunderstorm Warning | FGF | Cavalier, Walsh | 34 min |
| Aug 16, 4:38 PM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass | 32 min |
| Aug 18, 4:04 AM CDT | Severe Thunderstorm Warning | BIS | Williams | 46 min |
| Aug 18, 6:13 AM CDT | Severe Thunderstorm Warning | BIS | Bottineau | 47 min |
| Aug 18, 9:28 AM CDT | Severe Thunderstorm Warning | FGF | Towner | 32 min |
| Aug 18, 4:15 PM CDT | Severe Thunderstorm Warning | BIS | Morton | 45 min |
| Aug 18, 5:00 PM CDT | Severe Thunderstorm Warning | BIS | Morton | 35 min |
| Aug 18, 5:16 PM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass | 34 min |
| Aug 18, 5:23 PM CDT | Severe Thunderstorm Warning | BIS | Mountrail, Ward | 47 min |
| Aug 18, 5:48 PM CDT | Severe Thunderstorm Warning | FGF | Cass | 32 min |
| Aug 18, 5:49 PM CDT | Severe Thunderstorm Warning | BIS | Renville, Ward | 41 min |
| Aug 18, 6:34 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau, Renville | 61 min |
| Aug 18, 6:34 PM CDT | Severe Thunderstorm Warning | BIS | Ward | 61 min |
| Aug 18, 7:22 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Morton | 33 min |
| Aug 18, 7:48 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Morton | 32 min |
| Aug 18, 7:59 PM CDT | Severe Thunderstorm Warning | BIS | Emmons | 46 min |
| Aug 18, 8:31 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Emmons | 44 min |
| Aug 18, 9:20 PM CDT | Severe Thunderstorm Warning | BIS | Emmons, Kidder | 45 min |
| Aug 18, 10:40 PM CDT | Severe Thunderstorm Warning | BIS | Logan | 35 min |
| Aug 19, 12:45 AM CDT | Severe Thunderstorm Warning | BIS | Grant | 50 min |
| Aug 21, 6:51 PM CDT | Severe Thunderstorm Warning | BIS | Slope | 49 min |
| Aug 21, 7:24 PM CDT | Severe Thunderstorm Warning | BIS | Hettinger, Stark | 46 min |
| Aug 21, 8:08 PM CDT | Severe Thunderstorm Warning | BIS | Divide, Williams | 62 min |
| Aug 21, 8:17 PM CDT | Severe Thunderstorm Warning | BIS | Hettinger, Stark | 48 min |
| Aug 21, 8:37 PM CDT | Severe Thunderstorm Warning | BIS | Morton | 63 min |
| Aug 21, 9:08 PM CDT | Severe Thunderstorm Warning | BIS | Grant, Morton | 62 min |
| Aug 21, 9:40 PM CDT | Severe Thunderstorm Warning | BIS | Morton | 50 min |
| Aug 22, 12:02 AM CDT | Severe Thunderstorm Warning | BIS | Emmons | 48 min |
| Aug 22, 6:33 PM CDT | Severe Thunderstorm Warning | BIS | Billings, Golden Valley | 62 min |
| Aug 22, 6:59 PM CDT | Severe Thunderstorm Warning | BIS | Stark | 61 min |
| Aug 22, 7:50 PM CDT | Severe Thunderstorm Warning | BIS | Hettinger | 60 min |
| Aug 22, 8:30 PM CDT | Severe Thunderstorm Warning | BIS | Grant | 60 min |
| Aug 22, 9:26 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks | 29 min |
| Aug 22, 9:54 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks | 31 min |
| Aug 22, 10:26 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Traill | 34 min |
| Aug 24, 2:46 AM CDT | Severe Thunderstorm Warning | BIS | Adams | 34 min |
| Aug 26, 12:10 PM CDT | Severe Thunderstorm Warning | FGF | Towner | 35 min |
| Aug 26, 12:51 PM CDT | Severe Thunderstorm Warning | FGF | Cavalier, Ramsey | 34 min |
| Aug 26, 3:53 PM CDT | Severe Thunderstorm Warning | FGF | Cavalier | 32 min |
| Aug 26, 4:01 PM CDT | Severe Thunderstorm Warning | FGF | Pembina | 34 min |
| Aug 26, 4:30 PM CDT | Severe Thunderstorm Warning | FGF | Pembina | 35 min |
| Aug 26, 5:01 PM CDT | Severe Thunderstorm Warning | FGF | Pembina | 34 min |
| Aug 26, 6:08 PM CDT | Severe Thunderstorm Warning | FGF | Cavalier, Pembina | 32 min |
| Aug 26, 7:05 PM CDT | Severe Thunderstorm Warning | FGF | Pembina | 35 min |
| Aug 26, 7:36 PM CDT | Severe Thunderstorm Warning | FGF | Pembina | 34 min |
| Aug 26, 8:36 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie | 44 min |
| Aug 26, 8:48 PM CDT | Severe Thunderstorm Warning | FGF | Walsh | 32 min |
| Aug 26, 9:17 PM CDT | Severe Thunderstorm Warning | FGF | Walsh | 33 min |
| Aug 26, 9:52 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie, Williams | 48 min |
| Aug 26, 11:27 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie | 33 min |
| Aug 27, 12:27 AM CDT | Severe Thunderstorm Warning | BIS | McLean | 63 min |
| Aug 27, 1:33 AM CDT | Severe Thunderstorm Warning | BIS | McLean | 62 min |
| Aug 31, 4:52 PM CDT | Severe Thunderstorm Warning | FGF | Pembina | 33 min |
| Aug 31, 9:12 PM CDT | Severe Thunderstorm Warning | BIS | Emmons, Logan | 48 min |
| Sep 10, 10:30 PM CDT | Severe Thunderstorm Warning | BIS | Adams | 60 min |
| Sep 10, 10:49 PM CDT | Severe Thunderstorm Warning | BIS | Hettinger | 61 min |
| Sep 12, 10:25 PM CDT | Severe Thunderstorm Warning | BIS | McIntosh | 45 min |
| Sep 25, 9:27 PM CDT | Severe Thunderstorm Warning | FGF | Ransom | 33 min |
| Sep 25, 10:03 PM CDT | Severe Thunderstorm Warning | FGF | Ransom | 32 min |
| Sep 25, 10:18 PM CDT | Severe Thunderstorm Warning | FGF | Richland | 32 min |
| Sep 25, 10:30 PM CDT | Severe Thunderstorm Warning | FGF | Cass | 30 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Richland County20
- Pembina County18
- Cavalier County14
- Ward County14
- Ransom County14
- Cass County13
- Walsh County12
- McKenzie County12
- Barnes County11
- Morton County11
- Williams County10
- Burleigh County9
- McLean County8
- Grand Forks County7
- Sargent County7
- Emmons County7
- Stark County6
- Benson County6
- Ramsey County6
- Bottineau County6
- McIntosh County6
- Nelson County5
- McHenry County5
- Renville County5
- Mountrail County5
- Hettinger County5
- Mercer County4
- Kidder County4
- Stutsman County4
- Grant County4
- Slope County3
- Oliver County3
- Towner County3
- Eddy County3
- Dickey County3
- Billings County3
- Griggs County3
- Adams County3
- Pierce County2
- Rolette County2
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive19971999
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.