Alert archive / North Dakota / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in North Dakota, 2010
531 severe thunderstorm warnings in 2010. 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 2010. Tap one for its archive.
- Severe Thunderstorm Warnings
- 531
- Busiest month
- July195 severe thunderstorm warnings
- Busiest day
- June 25, 201035 severe thunderstorm warnings
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
245 of 531 severe thunderstorm warnings covering North Dakota in 2010 had a qualifying storm report inside them; 363 of 493 hail, wind and damage reports fell inside a warning, on average 25 minutes after it went out.
North Dakota, 2010
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Severe thunderstorm warnings | 531 | 245 | 54% | 493 | 74% | 25 min |
Each office's whole area, 2010
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Bismarck, ND: severe thunderstorm warnings | 430 | 186 | 57% | 406 | 74% | 25 min |
| NWS Grand Forks, ND: severe thunderstorm warnings | 168 | 101 | 40% | 212 | 62% | 22 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 | Counties | Lasted |
|---|---|---|---|---|
| Apr 12, 9:43 AM CDT | Severe Thunderstorm Warning | BIS | McIntosh | 62 min |
| Apr 12, 10:20 AM CDT | Severe Thunderstorm Warning | BIS | McIntosh | 55 min |
| Apr 12, 11:55 AM CDT | Severe Thunderstorm Warning | BIS | Dickey | 55 min |
| Apr 13, 12:34 AM CDT | Severe Thunderstorm Warning | BIS | Ward | 56 min |
| Apr 13, 1:22 AM CDT | Severe Thunderstorm Warning | BIS | Ward | 53 min |
| Apr 13, 2:13 AM CDT | Severe Thunderstorm Warning | BIS | Bottineau, McHenry, Renville | 62 min |
| Apr 13, 2:22 AM CDT | Severe Thunderstorm Warning | BIS | Mountrail, Ward | 53 min |
| Apr 13, 12:06 PM CDT | Severe Thunderstorm Warning | BIS | Divide, Williams | 39 min |
| Apr 13, 1:38 PM CDT | Severe Thunderstorm Warning | BIS | Dunn, Stark | 67 min |
| Apr 13, 4:02 PM CDT | Severe Thunderstorm Warning | BIS | Grant, Sioux | 28 min |
| Apr 28, 4:40 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Hettinger | 31 min |
| Apr 28, 5:09 PM CDT | Severe Thunderstorm Warning | BIS | Grant | 51 min |
| Apr 30, 2:04 PM CDT | Severe Thunderstorm Warning | BIS | McIntosh | 56 min |
| Apr 30, 3:03 PM CDT | Severe Thunderstorm Warning | BIS | LaMoure, Logan, McIntosh | 33 min |
| Apr 30, 5:06 PM CDT | Severe Thunderstorm Warning | FGF | Sargent | 39 min |
| May 22, 12:20 PM CDT | Severe Thunderstorm Warning | BIS | McLean, Mountrail, Ward | 55 min |
| May 22, 1:18 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau, Renville, Ward | 57 min |
| May 22, 1:51 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau, McHenry, Renville, Ward | 54 min |
| May 22, 6:38 PM CDT | Severe Thunderstorm Warning | BIS | Emmons, Logan, McIntosh | 42 min |
| May 22, 7:33 PM CDT | Severe Thunderstorm Warning | BIS | Emmons, Kidder, Logan | 57 min |
| May 22, 7:50 PM CDT | Severe Thunderstorm Warning | BIS | Emmons, Kidder, Logan, McIntosh, Stutsman | 55 min |
| May 22, 7:55 PM CDT | Severe Thunderstorm Warning | BIS | Dickey, LaMoure, McIntosh | 50 min |
| May 22, 9:05 PM CDT | Severe Thunderstorm Warning | FGF | Barnes, Griggs, Steele | 55 min |
| May 22, 9:13 PM CDT | Severe Thunderstorm Warning | BIS | LaMoure, Stutsman | 32 min |
| May 22, 9:21 PM CDT | Severe Thunderstorm Warning | BIS | Dickey | 54 min |
| May 22, 9:26 PM CDT | Severe Thunderstorm Warning | BIS | Stutsman | 49 min |
| May 22, 9:32 PM CDT | Severe Thunderstorm Warning | FGF | Ransom, Sargent | 58 min |
| May 22, 9:54 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Griggs, Steele, Traill | 66 min |
| May 22, 9:59 PM CDT | Severe Thunderstorm Warning | FGF | Ransom, Sargent | 61 min |
| May 22, 10:29 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Traill, Walsh | 61 min |
| May 22, 11:08 PM CDT | Severe Thunderstorm Warning | FGF | Ransom, Richland, Sargent | 67 min |
| May 22, 11:36 PM CDT | Severe Thunderstorm Warning | FGF | Richland, Sargent | 54 min |
| May 23, 12:16 AM CDT | Severe Thunderstorm Warning | FGF | Richland | 59 min |
| May 24, 2:05 AM CDT | Severe Thunderstorm Warning | BIS | Dickey | 55 min |
| May 24, 2:06 AM CDT | Severe Thunderstorm Warning | FGF | Ransom, Sargent | 39 min |
| May 24, 2:17 AM CDT | Severe Thunderstorm Warning | FGF | Richland | 43 min |
| May 24, 3:30 AM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass, Griggs, Steele | 28 min |
| May 24, 10:32 AM CDT | Severe Thunderstorm Warning | BIS | Foster, Kidder, Stutsman, Wells | 43 min |
| May 24, 12:19 PM CDT | Severe Thunderstorm Warning | BIS | LaMoure, Stutsman | 56 min |
| May 24, 12:53 PM CDT | Severe Thunderstorm Warning | BIS | Dickey, LaMoure, Stutsman | 52 min |
| May 24, 1:53 PM CDT | Severe Thunderstorm Warning | BIS | LaMoure | 12 min |
| May 24, 1:57 PM CDT | Severe Thunderstorm Warning | BIS | LaMoure, Stutsman | 48 min |
| May 24, 3:04 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Traill | 56 min |
| May 24, 4:37 PM CDT | Severe Thunderstorm Warning | BIS | Adams | 38 min |
| May 24, 4:43 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Steele, Traill, Walsh | 62 min |
| May 24, 5:10 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Hettinger | 50 min |
| May 24, 5:19 PM CDT | Severe Thunderstorm Warning | FGF | Cass, Traill | 41 min |
| May 24, 5:25 PM CDT | Severe Thunderstorm Warning | FGF | Pembina, Walsh | 43 min |
| May 24, 5:33 PM CDT | Severe Thunderstorm Warning | BIS | Adams | 57 min |
| May 24, 5:44 PM CDT | Severe Thunderstorm Warning | FGF | Cass, Traill | 31 min |
| May 24, 6:06 PM CDT | Severe Thunderstorm Warning | BIS | Dickey, LaMoure, Logan, McIntosh, Stutsman | 54 min |
| May 24, 6:07 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Grant, Hettinger | 53 min |
| May 24, 6:09 PM CDT | Severe Thunderstorm Warning | BIS | LaMoure, Stutsman | 51 min |
| May 24, 6:20 PM CDT | Severe Thunderstorm Warning | FGF | Cass, Traill | 40 min |
| May 24, 6:33 PM CDT | Severe Thunderstorm Warning | BIS | Dunn, Grant, Hettinger, Mercer, Morton, Oliver and 2 more | 57 min |
| May 24, 6:48 PM CDT | Severe Thunderstorm Warning | BIS | Foster, Stutsman | 27 min |
| May 24, 7:10 PM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass, Steele | 28 min |
| May 24, 7:14 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, McLean, Mercer, Morton, Oliver | 61 min |
| May 24, 7:43 PM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass, Grand Forks, Griggs, Nelson, Steele and 1 more | 47 min |
| May 24, 8:32 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Emmons, Kidder | 44 min |
| May 24, 8:52 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Emmons, Kidder, Logan, McIntosh | 53 min |
| May 24, 9:04 PM CDT | Severe Thunderstorm Warning | BIS | McLean, Sheridan, Wells | 56 min |
| May 24, 9:23 PM CDT | Severe Thunderstorm Warning | BIS | Dickey, Foster, LaMoure, Logan, McIntosh, Stutsman | 52 min |
| May 24, 9:50 PM CDT | Severe Thunderstorm Warning | FGF | Benson, Cavalier, Eddy, Ramsey, Towner | 55 min |
| May 24, 9:53 PM CDT | Severe Thunderstorm Warning | BIS | Pierce | 43 min |
| May 24, 10:05 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau, McHenry, Pierce, Renville, Rolette, Ward | 33 min |
| May 24, 10:12 PM CDT | Severe Thunderstorm Warning | BIS | Dickey, Foster, LaMoure, Stutsman | 33 min |
| May 27, 11:53 AM CDT | Severe Thunderstorm Warning | BIS | McLean, Mountrail, Ward | 37 min |
| May 27, 12:31 PM CDT | Severe Thunderstorm Warning | BIS | Ward | 44 min |
| May 27, 12:57 PM CDT | Severe Thunderstorm Warning | BIS | Ward | 48 min |
| May 28, 3:51 AM CDT | Severe Thunderstorm Warning | BIS | Divide, Williams | 54 min |
| May 28, 4:42 AM CDT | Severe Thunderstorm Warning | BIS | Divide, Williams | 48 min |
| May 28, 5:21 AM CDT | Severe Thunderstorm Warning | BIS | Burke, Divide, Ward | 54 min |
| May 28, 6:12 AM CDT | Severe Thunderstorm Warning | BIS | Burke, Renville | 37 min |
| May 29, 1:54 AM CDT | Severe Thunderstorm Warning | BIS | Golden Valley, McKenzie | 66 min |
| May 29, 3:00 AM CDT | Severe Thunderstorm Warning | BIS | Billings, McKenzie | 60 min |
| May 29, 3:09 AM CDT | Severe Thunderstorm Warning | BIS | Williams | 66 min |
| May 29, 3:40 AM CDT | Severe Thunderstorm Warning | BIS | Divide | 65 min |
| May 29, 3:56 AM CDT | Severe Thunderstorm Warning | BIS | Burke, Mountrail, Williams | 64 min |
| May 29, 4:22 AM CDT | Severe Thunderstorm Warning | BIS | Mountrail, Renville, Ward | 38 min |
| May 29, 4:52 AM CDT | Severe Thunderstorm Warning | BIS | Bottineau, Renville, Ward | 38 min |
| May 29, 6:16 AM CDT | Severe Thunderstorm Warning | BIS | Rolette | 29 min |
| May 29, 6:27 AM CDT | Severe Thunderstorm Warning | BIS | Burke, Mountrail, Renville, Ward | 48 min |
| May 29, 7:14 AM CDT | Severe Thunderstorm Warning | BIS | Renville | 61 min |
| May 29, 11:26 AM CDT | Severe Thunderstorm Warning | BIS | Renville | 34 min |
| May 29, 11:50 AM CDT | Severe Thunderstorm Warning | BIS | Mountrail, Ward | 40 min |
| May 29, 12:05 PM CDT | Severe Thunderstorm Warning | BIS | Mountrail, Renville, Ward | 55 min |
| May 29, 5:32 PM CDT | Severe Thunderstorm Warning | FGF | Pembina | 28 min |
| May 29, 6:06 PM CDT | Severe Thunderstorm Warning | FGF | Pembina | 39 min |
| May 29, 6:21 PM CDT | Severe Thunderstorm Warning | BIS | Rolette | 21 min |
| May 29, 7:19 PM CDT | Severe Thunderstorm Warning | FGF | Pembina, Walsh | 56 min |
| Jun 3, 3:48 PM CDT | Severe Thunderstorm Warning | BIS | Mercer, Morton, Oliver, Stark | 42 min |
| Jun 3, 4:26 PM CDT | Severe Thunderstorm Warning | BIS | Morton | 49 min |
| Jun 3, 5:15 PM CDT | Severe Thunderstorm Warning | BIS | Grant, Morton | 45 min |
| Jun 3, 6:03 PM CDT | Severe Thunderstorm Warning | BIS | Dunn, McKenzie | 57 min |
| Jun 3, 6:43 PM CDT | Severe Thunderstorm Warning | BIS | Emmons | 62 min |
| Jun 5, 5:24 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks | 45 min |
| Jun 5, 5:28 PM CDT | Severe Thunderstorm Warning | BIS | Emmons, Logan, McIntosh | 22 min |
| Jun 5, 5:46 PM CDT | Severe Thunderstorm Warning | BIS | Foster, Stutsman | 44 min |
| Jun 5, 6:33 PM CDT | Severe Thunderstorm Warning | FGF | Barnes | 42 min |
| Jun 5, 6:59 PM CDT | Severe Thunderstorm Warning | FGF | Pembina, Walsh | 30 min |
| Jun 8, 1:48 PM CDT | Severe Thunderstorm Warning | BIS | Pierce, Wells | 57 min |
| Jun 8, 2:09 PM CDT | Severe Thunderstorm Warning | FGF | Benson | 66 min |
| Jun 8, 2:16 PM CDT | Severe Thunderstorm Warning | BIS | Pierce | 59 min |
| Jun 8, 2:59 PM CDT | Severe Thunderstorm Warning | FGF | Benson, Ramsey, Towner | 50 min |
| Jun 8, 3:08 PM CDT | Severe Thunderstorm Warning | FGF | Cavalier, Ramsey, Walsh | 52 min |
| Jun 8, 3:15 PM CDT | Severe Thunderstorm Warning | FGF | Benson, Ramsey | 60 min |
| Jun 8, 3:18 PM CDT | Severe Thunderstorm Warning | FGF | Eddy | 57 min |
| Jun 8, 3:59 PM CDT | Severe Thunderstorm Warning | FGF | Cavalier, Pembina, Ramsey, Walsh | 61 min |
| Jun 8, 4:23 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Griggs, Nelson, Steele, Traill | 67 min |
| Jun 8, 5:03 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Traill, Walsh | 57 min |
| Jun 8, 5:11 PM CDT | Severe Thunderstorm Warning | FGF | Cass, Traill | 64 min |
| Jun 8, 9:02 PM CDT | Severe Thunderstorm Warning | FGF | Pembina | 58 min |
| Jun 16, 6:25 PM CDT | Severe Thunderstorm Warning | BIS | Slope | 65 min |
| Jun 16, 9:12 PM CDT | Severe Thunderstorm Warning | BIS | Golden Valley | 63 min |
| Jun 16, 9:28 PM CDT | Severe Thunderstorm Warning | BIS | Golden Valley, McKenzie | 47 min |
| Jun 16, 10:10 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie, Williams | 50 min |
| Jun 16, 11:06 PM CDT | Severe Thunderstorm Warning | BIS | Dunn, McKenzie, Mountrail | 54 min |
| Jun 16, 11:17 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie, Mountrail, Williams | 43 min |
| Jun 16, 11:42 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Emmons, Morton | 63 min |
| Jun 16, 11:56 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie, Mountrail, Renville, Ward | 64 min |
| Jun 17, 12:05 AM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Emmons, Kidder, Logan, McIntosh | 55 min |
| Jun 17, 12:46 AM CDT | Severe Thunderstorm Warning | BIS | Bottineau, Burke, Mountrail, Renville, Ward | 59 min |
| Jun 17, 12:47 AM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Kidder, Sheridan, Wells | 58 min |
| Jun 17, 4:56 AM CDT | Severe Thunderstorm Warning | BIS | Grant, Morton, Sioux | 34 min |
| Jun 17, 5:05 AM CDT | Severe Thunderstorm Warning | BIS | Grant, Morton | 40 min |
| Jun 17, 7:17 AM CDT | Severe Thunderstorm Warning | FGF | Barnes, Griggs, Steele | 58 min |
| Jun 17, 8:53 AM CDT | Severe Thunderstorm Warning | FGF | Cass | 67 min |
| Jun 17, 11:52 AM CDT | Severe Thunderstorm Warning | BIS | Kidder, Stutsman | 38 min |
| Jun 17, 12:28 PM CDT | Severe Thunderstorm Warning | BIS | Foster, Kidder, Stutsman, Wells | 52 min |
| Jun 17, 12:30 PM CDT | Severe Thunderstorm Warning | BIS | Grant, Sioux | 60 min |
| Jun 17, 12:55 PM CDT | Severe Thunderstorm Warning | FGF | Benson, Eddy | 50 min |
| Jun 17, 1:41 PM CDT | Severe Thunderstorm Warning | FGF | Benson, Eddy, Ramsey | 49 min |
| Jun 17, 1:56 PM CDT | Severe Thunderstorm Warning | BIS | McLean, Mercer, Oliver | 64 min |
| Jun 17, 2:07 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Emmons, Kidder, McLean, Oliver | 53 min |
| Jun 17, 2:14 PM CDT | Severe Thunderstorm Warning | BIS | Kidder, Logan, Stutsman | 61 min |
| Jun 17, 2:24 PM CDT | Severe Thunderstorm Warning | BIS | McLean | 66 min |
| Jun 17, 2:51 PM CDT | Severe Thunderstorm Warning | BIS | Pierce, Rolette | 39 min |
| Jun 17, 2:54 PM CDT | Severe Thunderstorm Warning | BIS | Ward | 66 min |
| Jun 17, 3:15 PM CDT | Severe Thunderstorm Warning | BIS | Foster, Stutsman, Wells | 60 min |
| Jun 17, 3:33 PM CDT | Severe Thunderstorm Warning | BIS | McHenry, Ward | 57 min |
| Jun 17, 3:43 PM CDT | Severe Thunderstorm Warning | FGF | Benson, Eddy, Ramsey | 47 min |
| Jun 17, 4:01 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau, McHenry, Pierce, Rolette | 59 min |
| Jun 17, 4:02 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau, Renville, Ward | 58 min |
| Jun 17, 4:08 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau, McHenry, Renville | 52 min |
| Jun 17, 4:27 PM CDT | Severe Thunderstorm Warning | FGF | Benson, Ramsey | 48 min |
| Jun 17, 4:32 PM CDT | Severe Thunderstorm Warning | BIS | McHenry, Ward | 28 min |
| Jun 20, 4:56 PM CDT | Severe Thunderstorm Warning | BIS | Renville | 49 min |
| Jun 20, 5:44 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau, Renville | 61 min |
| Jun 20, 6:42 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau, Renville | 63 min |
| Jun 20, 9:40 PM CDT | Severe Thunderstorm Warning | BIS | Burke | 20 min |
| Jun 20, 10:15 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau, Renville | 44 min |
| Jun 21, 12:22 AM CDT | Severe Thunderstorm Warning | BIS | Dunn, Mercer, Stark | 34 min |
| Jun 21, 1:47 AM CDT | Severe Thunderstorm Warning | FGF | Cass | 58 min |
| Jun 21, 3:01 AM CDT | Severe Thunderstorm Warning | BIS | McLean, Ward | 59 min |
| Jun 21, 3:27 AM CDT | Severe Thunderstorm Warning | BIS | Ward | 33 min |
| Jun 21, 4:00 AM CDT | Severe Thunderstorm Warning | BIS | McHenry, Ward | 33 min |
| Jun 21, 9:38 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie, Williams | 67 min |
| Jun 21, 10:19 PM CDT | Severe Thunderstorm Warning | BIS | Bowman, Slope | 56 min |
| Jun 21, 10:27 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie, Williams | 63 min |
| Jun 21, 11:07 PM CDT | Severe Thunderstorm Warning | BIS | Billings, Dunn, Golden Valley, McKenzie | 53 min |
| Jun 21, 11:09 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Bowman, Hettinger, Slope | 66 min |
| Jun 22, 12:05 AM CDT | Severe Thunderstorm Warning | BIS | Adams, Bowman, Grant, Hettinger, Sioux, Slope | 55 min |
| Jun 22, 12:12 AM CDT | Severe Thunderstorm Warning | BIS | Dunn, McKenzie, McLean, Mercer, Mountrail | 63 min |
| Jun 22, 12:50 AM CDT | Severe Thunderstorm Warning | BIS | Adams, Grant, Hettinger, Morton, Sioux | 55 min |
| Jun 22, 1:44 AM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Emmons, Grant, Morton, Sioux | 61 min |
| Jun 22, 2:38 AM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Emmons, Kidder, Morton, Oliver | 67 min |
| Jun 22, 3:08 AM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Foster, Kidder, Logan, Sheridan, Stutsman and 1 more | 52 min |
| Jun 22, 3:37 AM CDT | Severe Thunderstorm Warning | FGF | Barnes, Eddy, Griggs | 53 min |
| Jun 22, 3:59 AM CDT | Severe Thunderstorm Warning | BIS | Foster, Kidder, Stutsman, Wells | 61 min |
| Jun 22, 4:26 AM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass, Griggs, Steele, Traill | 64 min |
| Jun 22, 4:44 AM CDT | Severe Thunderstorm Warning | FGF | Ransom, Richland | 61 min |
| Jun 24, 1:15 PM CDT | Severe Thunderstorm Warning | FGF | Cavalier, Towner | 45 min |
| Jun 24, 2:39 PM CDT | Severe Thunderstorm Warning | FGF | Walsh | 51 min |
| Jun 24, 6:35 PM CDT | Severe Thunderstorm Warning | BIS | Divide | 55 min |
| Jun 24, 6:56 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh | 64 min |
| Jun 24, 7:28 PM CDT | Severe Thunderstorm Warning | BIS | Burke | 62 min |
| Jun 24, 7:37 PM CDT | Severe Thunderstorm Warning | BIS | Divide | 23 min |
| Jun 24, 7:56 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Emmons, Kidder | 64 min |
| Jun 24, 8:25 PM CDT | Severe Thunderstorm Warning | BIS | Burke, Mountrail, Ward | 65 min |
| Jun 24, 8:55 PM CDT | Severe Thunderstorm Warning | BIS | Emmons, Logan | 65 min |
| Jun 24, 9:07 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie, Williams | 53 min |
| Jun 24, 9:14 PM CDT | Severe Thunderstorm Warning | BIS | Mountrail, Ward | 61 min |
| Jun 24, 9:27 PM CDT | Severe Thunderstorm Warning | BIS | Mountrail, Ward | 48 min |
| Jun 24, 9:34 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Kidder, Sheridan | 56 min |
| Jun 24, 9:44 PM CDT | Severe Thunderstorm Warning | BIS | Ward | 46 min |
| Jun 24, 9:59 PM CDT | Severe Thunderstorm Warning | BIS | Emmons, Logan, McIntosh | 61 min |
| Jun 24, 10:10 PM CDT | Severe Thunderstorm Warning | BIS | Emmons, Logan | 50 min |
| Jun 24, 10:36 PM CDT | Severe Thunderstorm Warning | BIS | Kidder, Sheridan, Wells | 39 min |
| Jun 24, 10:43 PM CDT | Severe Thunderstorm Warning | BIS | McHenry, Ward | 62 min |
| Jun 24, 10:56 PM CDT | Severe Thunderstorm Warning | BIS | Emmons, Logan | 64 min |
| Jun 24, 11:07 PM CDT | Severe Thunderstorm Warning | BIS | Dunn, McKenzie | 38 min |
| Jun 24, 11:43 PM CDT | Severe Thunderstorm Warning | BIS | McHenry, Pierce | 47 min |
| Jun 25, 12:08 AM CDT | Severe Thunderstorm Warning | BIS | McLean | 53 min |
| Jun 25, 12:20 AM CDT | Severe Thunderstorm Warning | BIS | Mountrail, Ward | 40 min |
| Jun 25, 2:06 AM CDT | Severe Thunderstorm Warning | BIS | McKenzie | 54 min |
| Jun 25, 2:41 AM CDT | Severe Thunderstorm Warning | BIS | Stutsman | 64 min |
| Jun 25, 3:54 AM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass | 66 min |
| Jun 25, 4:37 AM CDT | Severe Thunderstorm Warning | FGF | Cass, Ransom, Richland | 53 min |
| Jun 25, 5:32 AM CDT | Severe Thunderstorm Warning | FGF | Richland | 58 min |
| Jun 25, 12:21 PM CDT | Severe Thunderstorm Warning | BIS | Oliver | 54 min |
| Jun 25, 3:57 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Morton, Oliver | 63 min |
| Jun 25, 4:07 PM CDT | Severe Thunderstorm Warning | BIS | Morton | 53 min |
| Jun 25, 4:36 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Morton | 54 min |
| Jun 25, 4:59 PM CDT | Severe Thunderstorm Warning | BIS | Dunn, Mercer, Morton, Stark | 46 min |
| Jun 25, 5:10 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Emmons, Morton, Sioux | 65 min |
| Jun 25, 5:40 PM CDT | Severe Thunderstorm Warning | BIS | Morton | 65 min |
| Jun 25, 5:58 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie, Mountrail | 62 min |
| Jun 25, 6:12 PM CDT | Severe Thunderstorm Warning | BIS | Emmons, Logan, McIntosh | 63 min |
| Jun 25, 6:24 PM CDT | Severe Thunderstorm Warning | BIS | Grant, Morton | 66 min |
| Jun 25, 6:59 PM CDT | Severe Thunderstorm Warning | BIS | Grant, Morton | 61 min |
| Jun 25, 7:03 PM CDT | Severe Thunderstorm Warning | BIS | Dunn, McKenzie, McLean, Mountrail | 57 min |
| Jun 25, 7:07 PM CDT | Severe Thunderstorm Warning | BIS | Burke, Renville | 53 min |
| Jun 25, 8:00 PM CDT | Severe Thunderstorm Warning | BIS | Burke, Renville, Ward | 60 min |
| Jun 25, 8:35 PM CDT | Severe Thunderstorm Warning | BIS | Emmons, McIntosh | 55 min |
| Jun 25, 8:56 PM CDT | Severe Thunderstorm Warning | BIS | Burke, Renville, Ward | 64 min |
| Jun 25, 9:29 PM CDT | Severe Thunderstorm Warning | BIS | Emmons, McIntosh | 31 min |
| Jun 26, 5:42 AM CDT | Severe Thunderstorm Warning | BIS | McLean, Mercer | 48 min |
| Jun 26, 11:17 AM CDT | Severe Thunderstorm Warning | BIS | Bowman | 44 min |
| Jun 26, 3:48 PM CDT | Severe Thunderstorm Warning | BIS | Billings, Golden Valley | 57 min |
| Jun 26, 4:00 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Grant, Sioux | 46 min |
| Jun 26, 4:38 PM CDT | Severe Thunderstorm Warning | BIS | Billings, Dunn | 67 min |
| Jun 26, 7:16 PM CDT | Severe Thunderstorm Warning | BIS | Emmons, Sioux | 59 min |
| Jun 27, 1:26 AM CDT | Severe Thunderstorm Warning | BIS | McKenzie | 49 min |
| Jun 30, 9:20 PM CDT | Severe Thunderstorm Warning | BIS | Bowman | 55 min |
| Jun 30, 9:35 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Bowman, Slope | 40 min |
| Jun 30, 10:14 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Bowman, Hettinger, Slope | 24 min |
| Jun 30, 10:31 PM CDT | Severe Thunderstorm Warning | BIS | Billings, Golden Valley, Slope, Stark | 44 min |
| Jun 30, 11:09 PM CDT | Severe Thunderstorm Warning | BIS | Billings, Dunn, Golden Valley, McKenzie, Stark | 51 min |
| Jun 30, 11:53 PM CDT | Severe Thunderstorm Warning | BIS | Dunn, McKenzie, Mercer | 22 min |
| Jul 1, 12:11 AM CDT | Severe Thunderstorm Warning | BIS | Dunn, McKenzie, McLean, Mercer, Mountrail | 64 min |
| Jul 1, 12:28 AM CDT | Severe Thunderstorm Warning | BIS | McLean, Mercer, Oliver | 62 min |
| Jul 1, 1:06 AM CDT | Severe Thunderstorm Warning | BIS | McHenry, McLean, Renville, Ward | 54 min |
| Jul 1, 1:59 AM CDT | Severe Thunderstorm Warning | BIS | Bottineau, McHenry, Renville, Ward | 61 min |
| Jul 1, 2:55 AM CDT | Severe Thunderstorm Warning | BIS | Bottineau, McHenry, Pierce, Rolette | 65 min |
| Jul 1, 3:45 AM CDT | Severe Thunderstorm Warning | BIS | Rolette | 45 min |
| Jul 2, 12:42 AM CDT | Severe Thunderstorm Warning | BIS | McKenzie, Williams | 63 min |
| Jul 2, 1:01 AM CDT | Severe Thunderstorm Warning | BIS | Divide, Williams | 59 min |
| Jul 2, 1:43 AM CDT | Severe Thunderstorm Warning | BIS | Divide, Williams | 62 min |
| Jul 2, 2:09 AM CDT | Severe Thunderstorm Warning | BIS | Burke, Mountrail | 66 min |
| Jul 2, 3:15 AM CDT | Severe Thunderstorm Warning | BIS | Burke, Renville | 30 min |
| Jul 2, 7:18 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Hettinger | 42 min |
| Jul 2, 10:49 PM CDT | Severe Thunderstorm Warning | BIS | Divide, Williams | 56 min |
| Jul 2, 11:52 PM CDT | Severe Thunderstorm Warning | BIS | Mountrail | 68 min |
| Jul 3, 12:01 AM CDT | Severe Thunderstorm Warning | BIS | Burke, Divide, Williams | 59 min |
| Jul 3, 12:44 AM CDT | Severe Thunderstorm Warning | BIS | Burke, Mountrail, Renville, Ward | 61 min |
| Jul 3, 1:34 AM CDT | Severe Thunderstorm Warning | BIS | Williams | 56 min |
| Jul 3, 1:45 AM CDT | Severe Thunderstorm Warning | BIS | Bottineau, Renville | 60 min |
| Jul 3, 2:25 AM CDT | Severe Thunderstorm Warning | BIS | Bottineau | 50 min |
| Jul 3, 2:31 AM CDT | Severe Thunderstorm Warning | BIS | Burke, Williams | 29 min |
| Jul 3, 2:42 AM CDT | Severe Thunderstorm Warning | BIS | McKenzie, Williams | 63 min |
| Jul 3, 3:02 AM CDT | Severe Thunderstorm Warning | BIS | Burke, Divide, Williams | 58 min |
| Jul 3, 3:35 AM CDT | Severe Thunderstorm Warning | BIS | Rolette | 40 min |
| Jul 3, 3:43 AM CDT | Severe Thunderstorm Warning | BIS | Williams | 62 min |
| Jul 3, 3:53 AM CDT | Severe Thunderstorm Warning | BIS | Burke, Renville | 67 min |
| Jul 3, 4:09 AM CDT | Severe Thunderstorm Warning | BIS | Mountrail, Williams | 1 min |
| Jul 3, 4:16 AM CDT | Severe Thunderstorm Warning | BIS | Mountrail, Williams | 59 min |
| Jul 3, 4:31 AM CDT | Severe Thunderstorm Warning | BIS | Bottineau, Renville | 59 min |
| Jul 3, 4:44 AM CDT | Severe Thunderstorm Warning | BIS | Burke, Divide, Williams | 61 min |
| Jul 3, 4:53 AM CDT | Severe Thunderstorm Warning | FGF | Cavalier | 37 min |
| Jul 3, 5:03 AM CDT | Severe Thunderstorm Warning | BIS | Burke, Renville, Ward | 57 min |
| Jul 5, 2:44 PM CDT | Severe Thunderstorm Warning | BIS | McLean, Mountrail, Ward | 61 min |
| Jul 5, 3:44 PM CDT | Severe Thunderstorm Warning | BIS | Ward | 61 min |
| Jul 5, 5:03 PM CDT | Severe Thunderstorm Warning | BIS | McHenry | 42 min |
| Jul 10, 4:00 PM CDT | Severe Thunderstorm Warning | BIS | Dunn, McLean, Mercer | 45 min |
| Jul 10, 5:53 PM CDT | Severe Thunderstorm Warning | BIS | Bowman | 25 min |
| Jul 10, 7:36 PM CDT | Severe Thunderstorm Warning | BIS | Dunn, Mercer | 39 min |
| Jul 10, 8:09 PM CDT | Severe Thunderstorm Warning | BIS | Mercer, Oliver | 51 min |
| Jul 10, 8:24 PM CDT | Severe Thunderstorm Warning | BIS | Hettinger | 66 min |
| Jul 10, 8:57 PM CDT | Severe Thunderstorm Warning | BIS | Morton, Oliver | 33 min |
| Jul 10, 10:29 PM CDT | Severe Thunderstorm Warning | BIS | Morton, Oliver | 33 min |
| Jul 10, 10:43 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, McLean, Oliver | 47 min |
| Jul 12, 8:00 PM CDT | Severe Thunderstorm Warning | BIS | Mountrail | 45 min |
| Jul 12, 8:54 PM CDT | Severe Thunderstorm Warning | BIS | Dunn, Stark | 66 min |
| Jul 13, 12:06 AM CDT | Severe Thunderstorm Warning | BIS | McKenzie, Williams | 39 min |
| Jul 13, 12:40 AM CDT | Severe Thunderstorm Warning | BIS | McKenzie, Williams | 65 min |
| Jul 13, 1:26 AM CDT | Severe Thunderstorm Warning | BIS | Williams | 64 min |
| Jul 13, 2:01 AM CDT | Severe Thunderstorm Warning | BIS | McKenzie, Mountrail, Williams | 59 min |
| Jul 13, 1:46 PM CDT | Severe Thunderstorm Warning | BIS | Emmons, Kidder, Logan | 59 min |
| Jul 13, 2:10 PM CDT | Severe Thunderstorm Warning | BIS | Kidder, Logan, Stutsman | 65 min |
| Jul 13, 2:46 PM CDT | Severe Thunderstorm Warning | BIS | LaMoure, Stutsman | 59 min |
| Jul 13, 2:57 PM CDT | Severe Thunderstorm Warning | BIS | Stutsman | 63 min |
| Jul 13, 3:40 PM CDT | Severe Thunderstorm Warning | FGF | Barnes | 65 min |
| Jul 13, 3:42 PM CDT | Severe Thunderstorm Warning | BIS | Stutsman | 63 min |
| Jul 13, 4:19 PM CDT | Severe Thunderstorm Warning | BIS | LaMoure | 56 min |
| Jul 13, 5:11 PM CDT | Severe Thunderstorm Warning | FGF | Benson, Eddy, Ramsey | 64 min |
| Jul 13, 6:56 PM CDT | Severe Thunderstorm Warning | BIS | Grant, Morton, Sioux | 30 min |
| Jul 13, 10:33 PM CDT | Severe Thunderstorm Warning | FGF | Cavalier, Towner | 42 min |
| Jul 13, 10:42 PM CDT | Severe Thunderstorm Warning | BIS | Grant, Hettinger, Stark | 63 min |
| Jul 13, 11:24 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Hettinger, Slope, Stark | 66 min |
| Jul 13, 11:53 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Bowman, Slope | 37 min |
| Jul 13, 11:58 PM CDT | Severe Thunderstorm Warning | BIS | Grant, Hettinger, Morton, Stark | 62 min |
| Jul 14, 12:14 AM CDT | Severe Thunderstorm Warning | BIS | Bowman | 16 min |
| Jul 14, 12:29 AM CDT | Severe Thunderstorm Warning | BIS | Adams, Bowman, Hettinger, Slope | 61 min |
| Jul 14, 12:44 AM CDT | Severe Thunderstorm Warning | BIS | Grant, Morton | 61 min |
| Jul 14, 1:25 AM CDT | Severe Thunderstorm Warning | BIS | Adams, Grant, Hettinger, Sioux | 50 min |
| Jul 14, 1:45 AM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Emmons, Morton | 60 min |
| Jul 14, 2:00 AM CDT | Severe Thunderstorm Warning | BIS | Adams, Grant, Hettinger, Sioux | 45 min |
| Jul 14, 2:27 AM CDT | Severe Thunderstorm Warning | BIS | LaMoure, Logan, Stutsman | 48 min |
| Jul 14, 2:42 AM CDT | Severe Thunderstorm Warning | BIS | Emmons, Grant, Morton, Sioux | 63 min |
| Jul 14, 2:44 AM CDT | Severe Thunderstorm Warning | BIS | Adams, Grant, Hettinger, Morton, Sioux | 61 min |
| Jul 14, 3:02 AM CDT | Severe Thunderstorm Warning | FGF | Barnes, Ransom | 58 min |
| Jul 14, 3:14 AM CDT | Severe Thunderstorm Warning | BIS | LaMoure, Stutsman | 31 min |
| Jul 14, 3:34 AM CDT | Severe Thunderstorm Warning | BIS | Emmons, Kidder, Logan | 41 min |
| Jul 14, 3:43 AM CDT | Severe Thunderstorm Warning | BIS | LaMoure, Logan, Stutsman | 47 min |
| Jul 14, 3:50 AM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass, Ransom, Richland | 55 min |
| Jul 14, 4:06 AM CDT | Severe Thunderstorm Warning | BIS | Kidder, LaMoure, Logan, Stutsman | 54 min |
| Jul 14, 4:20 AM CDT | Severe Thunderstorm Warning | FGF | Barnes, Ransom | 55 min |
| Jul 14, 4:24 AM CDT | Severe Thunderstorm Warning | BIS | Dickey, LaMoure | 51 min |
| Jul 14, 4:29 AM CDT | Severe Thunderstorm Warning | FGF | Cass, Richland | 61 min |
| Jul 14, 4:46 AM CDT | Severe Thunderstorm Warning | FGF | Cavalier, Ramsey, Walsh | 59 min |
| Jul 14, 4:56 AM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass, Ransom, Richland, Sargent | 64 min |
| Jul 14, 5:37 AM CDT | Severe Thunderstorm Warning | FGF | Cass, Ransom, Richland, Sargent | 53 min |
| Jul 17, 3:27 PM CDT | Severe Thunderstorm Warning | BIS | Dickey | 63 min |
| Jul 17, 3:56 PM CDT | Severe Thunderstorm Warning | FGF | Ransom, Sargent | 64 min |
| Jul 17, 4:03 PM CDT | Severe Thunderstorm Warning | BIS | Dickey, LaMoure | 42 min |
| Jul 17, 4:18 PM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass, Ransom | 57 min |
| Jul 17, 4:26 PM CDT | Severe Thunderstorm Warning | BIS | Dickey | 64 min |
| Jul 17, 4:33 PM CDT | Severe Thunderstorm Warning | FGF | Richland | 57 min |
| Jul 17, 4:42 PM CDT | Severe Thunderstorm Warning | BIS | LaMoure | 30 min |
| Jul 17, 4:42 PM CDT | Severe Thunderstorm Warning | BIS | LaMoure | 29 min |
| Jul 17, 5:10 PM CDT | Severe Thunderstorm Warning | FGF | Cass, Ransom, Richland | 65 min |
| Jul 17, 6:07 PM CDT | Severe Thunderstorm Warning | FGF | Cass | 53 min |
| Jul 18, 9:07 PM CDT | Severe Thunderstorm Warning | BIS | Billings, Bowman, Golden Valley, Slope | 53 min |
| Jul 20, 2:02 PM CDT | Severe Thunderstorm Warning | BIS | Divide | 43 min |
| Jul 20, 2:40 PM CDT | Severe Thunderstorm Warning | BIS | Divide, Williams | 65 min |
| Jul 20, 3:10 PM CDT | Severe Thunderstorm Warning | BIS | Burke | 65 min |
| Jul 20, 3:42 PM CDT | Severe Thunderstorm Warning | BIS | Burke, Divide, Mountrail, Williams | 63 min |
| Jul 20, 3:51 PM CDT | Severe Thunderstorm Warning | BIS | Dunn | 39 min |
| Jul 20, 4:23 PM CDT | Severe Thunderstorm Warning | BIS | Dunn, Mercer, Oliver | 57 min |
| Jul 20, 4:27 PM CDT | Severe Thunderstorm Warning | BIS | Dunn, Mercer | 63 min |
| Jul 20, 4:37 PM CDT | Severe Thunderstorm Warning | BIS | Mountrail | 38 min |
| Jul 20, 4:38 PM CDT | Severe Thunderstorm Warning | BIS | Mountrail, Ward | 67 min |
| Jul 20, 5:15 PM CDT | Severe Thunderstorm Warning | BIS | McLean, Mercer, Oliver | 60 min |
| Jul 20, 5:17 PM CDT | Severe Thunderstorm Warning | BIS | Morton, Oliver | 43 min |
| Jul 20, 5:28 PM CDT | Severe Thunderstorm Warning | BIS | McLean, Ward | 62 min |
| Jul 20, 5:45 PM CDT | Severe Thunderstorm Warning | BIS | Ward | 60 min |
| Jul 20, 5:49 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Morton | 56 min |
| Jul 20, 6:11 PM CDT | Severe Thunderstorm Warning | BIS | McLean | 22 min |
| Jul 20, 6:13 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau, McHenry | 62 min |
| Jul 20, 6:23 PM CDT | Severe Thunderstorm Warning | BIS | McHenry, Ward | 67 min |
| Jul 20, 6:39 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Emmons | 51 min |
| Jul 20, 6:58 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau, Rolette | 62 min |
| Jul 20, 7:42 PM CDT | Severe Thunderstorm Warning | BIS | Pierce | 42 min |
| Jul 20, 7:46 PM CDT | Severe Thunderstorm Warning | FGF | Benson, Eddy | 44 min |
| Jul 20, 8:30 PM CDT | Severe Thunderstorm Warning | FGF | Eddy | 45 min |
| Jul 20, 9:12 PM CDT | Severe Thunderstorm Warning | BIS | Foster | 33 min |
| Jul 20, 9:45 PM CDT | Severe Thunderstorm Warning | BIS | Foster | 16 min |
| Jul 20, 10:17 PM CDT | Severe Thunderstorm Warning | BIS | Kidder, Stutsman, Wells | 58 min |
| Jul 20, 11:05 PM CDT | Severe Thunderstorm Warning | BIS | Stutsman | 55 min |
| Jul 21, 12:00 AM CDT | Severe Thunderstorm Warning | FGF | Barnes, Ransom | 30 min |
| Jul 21, 12:30 AM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass, Ransom | 45 min |
| Jul 23, 11:40 AM CDT | Severe Thunderstorm Warning | BIS | Bowman | 65 min |
| Jul 23, 12:16 PM CDT | Severe Thunderstorm Warning | BIS | Adams | 59 min |
| Jul 23, 1:16 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Grant, Sioux | 59 min |
| Jul 23, 5:29 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie | 46 min |
| Jul 23, 7:07 PM CDT | Severe Thunderstorm Warning | BIS | Billings, Dunn, Stark | 53 min |
| Jul 26, 8:34 AM CDT | Severe Thunderstorm Warning | FGF | Grand Forks | 56 min |
| Jul 26, 5:45 PM CDT | Severe Thunderstorm Warning | BIS | Burke, Divide | 60 min |
| Jul 26, 6:34 PM CDT | Severe Thunderstorm Warning | BIS | Burke, Mountrail, Ward | 46 min |
| Jul 26, 6:49 PM CDT | Severe Thunderstorm Warning | BIS | McHenry, Ward | 45 min |
| Jul 26, 6:51 PM CDT | Severe Thunderstorm Warning | BIS | Burke, Renville | 24 min |
| Jul 26, 7:06 PM CDT | Severe Thunderstorm Warning | BIS | Dunn | 54 min |
| Jul 26, 7:21 PM CDT | Severe Thunderstorm Warning | BIS | McLean, Mercer | 54 min |
| Jul 26, 7:43 PM CDT | Severe Thunderstorm Warning | BIS | Dunn, McLean, Mercer | 62 min |
| Jul 26, 7:56 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau, McHenry, Renville, Ward | 49 min |
| Jul 26, 8:17 PM CDT | Severe Thunderstorm Warning | FGF | Cavalier, Towner | 58 min |
| Jul 26, 8:24 PM CDT | Severe Thunderstorm Warning | BIS | McHenry, Ward | 22 min |
| Jul 26, 8:40 PM CDT | Severe Thunderstorm Warning | BIS | McLean, Mercer | 50 min |
| Jul 26, 8:43 PM CDT | Severe Thunderstorm Warning | BIS | McHenry | 32 min |
| Jul 26, 8:53 PM CDT | Severe Thunderstorm Warning | BIS | McHenry, McLean, Sheridan | 22 min |
| Jul 26, 9:04 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie, Williams | 56 min |
| Jul 26, 9:07 PM CDT | Severe Thunderstorm Warning | BIS | McLean, Sheridan | 53 min |
| Jul 26, 9:47 PM CDT | Severe Thunderstorm Warning | FGF | Cavalier, Grand Forks, Pembina, Ramsey, Walsh | 58 min |
| Jul 26, 9:49 PM CDT | Severe Thunderstorm Warning | BIS | McHenry, McLean, Pierce, Sheridan | 26 min |
| Jul 26, 9:53 PM CDT | Severe Thunderstorm Warning | BIS | McLean, Sheridan, Wells | 51 min |
| Jul 26, 9:58 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie, Williams | 46 min |
| Jul 26, 10:52 PM CDT | Severe Thunderstorm Warning | BIS | McLean, Sheridan | 12 min |
| Jul 26, 11:15 PM CDT | Severe Thunderstorm Warning | BIS | Foster, Stutsman, Wells | 60 min |
| Jul 26, 11:20 PM CDT | Severe Thunderstorm Warning | FGF | Eddy, Griggs, Nelson | 55 min |
| Jul 26, 11:37 PM CDT | Severe Thunderstorm Warning | BIS | Dunn, Stark | 38 min |
| Jul 26, 11:59 PM CDT | Severe Thunderstorm Warning | BIS | Mercer, Oliver | 46 min |
| Jul 27, 12:07 AM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass, Griggs, Steele, Traill | 53 min |
| Jul 27, 12:24 AM CDT | Severe Thunderstorm Warning | BIS | Morton | 51 min |
| Jul 27, 12:44 AM CDT | Severe Thunderstorm Warning | BIS | Oliver | 31 min |
| Jul 27, 12:44 AM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass, Steele, Traill | 61 min |
| Jul 27, 1:15 AM CDT | Severe Thunderstorm Warning | BIS | Wells | 60 min |
| Jul 27, 1:43 AM CDT | Severe Thunderstorm Warning | FGF | Cass | 62 min |
| Jul 27, 2:07 AM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Kidder | 38 min |
| Jul 27, 2:15 AM CDT | Severe Thunderstorm Warning | BIS | Foster, Stutsman, Wells | 60 min |
| Jul 27, 3:41 AM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass | 64 min |
| Jul 27, 4:34 AM CDT | Severe Thunderstorm Warning | FGF | Cass | 56 min |
| Jul 27, 5:01 AM CDT | Severe Thunderstorm Warning | BIS | LaMoure, Logan, Stutsman | 59 min |
| Jul 27, 5:06 AM CDT | Severe Thunderstorm Warning | FGF | Cass | 54 min |
| Jul 27, 5:32 AM CDT | Severe Thunderstorm Warning | FGF | Richland | 58 min |
| Jul 29, 6:32 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie, Williams | 58 min |
| Jul 29, 6:41 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie | 64 min |
| Jul 29, 7:00 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie, Williams | 24 min |
| Jul 29, 7:23 PM CDT | Severe Thunderstorm Warning | BIS | Williams | 67 min |
| Jul 29, 7:39 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie, Williams | 51 min |
| Jul 29, 7:43 PM CDT | Severe Thunderstorm Warning | BIS | Dunn, McKenzie | 62 min |
| Jul 29, 8:21 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie, Williams | 54 min |
| Jul 29, 8:23 PM CDT | Severe Thunderstorm Warning | BIS | Burke, Mountrail, Williams | 67 min |
| Jul 29, 8:31 PM CDT | Severe Thunderstorm Warning | BIS | Burke, Divide, Williams | 59 min |
| Jul 29, 8:51 PM CDT | Severe Thunderstorm Warning | BIS | Billings, Dunn, McKenzie, Mountrail | 54 min |
| Jul 29, 9:30 PM CDT | Severe Thunderstorm Warning | BIS | Billings, Dunn, McLean, Mercer, Stark | 45 min |
| Jul 29, 9:46 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau, Burke, Mountrail, Renville, Ward | 59 min |
| Jul 29, 10:14 PM CDT | Severe Thunderstorm Warning | BIS | Dunn, McLean, Mercer, Oliver | 46 min |
| Jul 29, 10:16 PM CDT | Severe Thunderstorm Warning | BIS | Billings, Dunn, Mercer, Morton, Oliver, Stark | 44 min |
| Jul 29, 10:46 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau, McHenry, Renville | 59 min |
| Jul 29, 10:55 PM CDT | Severe Thunderstorm Warning | BIS | McLean, Mercer, Oliver | 65 min |
| Jul 29, 10:57 PM CDT | Severe Thunderstorm Warning | BIS | Dunn, Grant, Mercer, Morton, Oliver, Stark | 63 min |
| Jul 29, 11:39 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, McLean, Oliver, Sheridan | 33 min |
| Jul 29, 11:47 PM CDT | Severe Thunderstorm Warning | BIS | Grant, Hettinger, Mercer, Morton, Oliver, Stark | 28 min |
| Jul 30, 6:02 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, McLean | 28 min |
| Jul 30, 6:25 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh | 35 min |
| Jul 30, 6:52 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh | 38 min |
| Jul 31, 5:34 PM CDT | Severe Thunderstorm Warning | FGF | Cavalier, Pembina | 41 min |
| Jul 31, 6:06 PM CDT | Severe Thunderstorm Warning | FGF | Cavalier, Pembina, Walsh | 39 min |
| Jul 31, 8:19 PM CDT | Severe Thunderstorm Warning | BIS | Rolette | 26 min |
| Jul 31, 8:35 PM CDT | Severe Thunderstorm Warning | FGF | Towner | 55 min |
| Aug 1, 3:41 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie, Williams | 64 min |
| Aug 1, 4:41 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie, Williams | 64 min |
| Aug 1, 5:29 PM CDT | Severe Thunderstorm Warning | BIS | Dunn, McKenzie, McLean, Mountrail | 61 min |
| Aug 1, 7:37 PM CDT | Severe Thunderstorm Warning | FGF | Cavalier, Towner | 53 min |
| Aug 1, 7:38 PM CDT | Severe Thunderstorm Warning | BIS | Dunn, Mercer | 7 min |
| Aug 1, 9:26 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Emmons, Morton, Sioux | 47 min |
| Aug 2, 1:05 PM CDT | Severe Thunderstorm Warning | BIS | McLean, Ward | 55 min |
| Aug 2, 3:22 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Morton | 53 min |
| Aug 6, 11:38 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie | 67 min |
| Aug 6, 11:51 PM CDT | Severe Thunderstorm Warning | BIS | Dunn | 54 min |
| Aug 7, 12:59 AM CDT | Severe Thunderstorm Warning | BIS | McKenzie, Williams | 61 min |
| Aug 9, 4:32 PM CDT | Severe Thunderstorm Warning | BIS | Dunn | 58 min |
| Aug 9, 4:49 PM CDT | Severe Thunderstorm Warning | BIS | Dunn | 56 min |
| Aug 9, 5:02 PM CDT | Severe Thunderstorm Warning | BIS | Bowman, Slope | 58 min |
| Aug 9, 5:14 PM CDT | Severe Thunderstorm Warning | BIS | Dunn, McLean, Mountrail, Ward | 61 min |
| Aug 9, 5:36 PM CDT | Severe Thunderstorm Warning | BIS | Billings, Dunn, Slope, Stark | 54 min |
| Aug 9, 6:14 PM CDT | Severe Thunderstorm Warning | BIS | Mountrail, Renville, Ward | 61 min |
| Aug 9, 6:27 PM CDT | Severe Thunderstorm Warning | BIS | Billings, Dunn | 63 min |
| Aug 9, 6:32 PM CDT | Severe Thunderstorm Warning | BIS | Billings | 58 min |
| Aug 9, 6:39 PM CDT | Severe Thunderstorm Warning | BIS | Slope, Stark | 66 min |
| Aug 9, 6:55 PM CDT | Severe Thunderstorm Warning | BIS | Dunn, McKenzie | 65 min |
| Aug 9, 7:06 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie, Mountrail | 54 min |
| Aug 9, 7:37 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie | 20 min |
| Aug 9, 7:54 PM CDT | Severe Thunderstorm Warning | BIS | Dunn, McKenzie | 66 min |
| Aug 9, 8:44 PM CDT | Severe Thunderstorm Warning | BIS | Dunn, McLean, Mountrail | 61 min |
| Aug 9, 8:46 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau, Burke, Mountrail, Renville, Ward | 59 min |
| Aug 9, 8:49 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie | 56 min |
| Aug 10, 12:07 AM CDT | Severe Thunderstorm Warning | BIS | Bottineau, Renville, Ward | 53 min |
| Aug 10, 1:37 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau | 20 min |
| Aug 10, 2:32 PM CDT | Severe Thunderstorm Warning | BIS | McHenry, McLean, Sheridan | 42 min |
| Aug 10, 2:38 PM CDT | Severe Thunderstorm Warning | BIS | Renville, Ward | 58 min |
| Aug 10, 3:29 PM CDT | Severe Thunderstorm Warning | BIS | Renville, Ward | 40 min |
| Aug 10, 6:36 PM CDT | Severe Thunderstorm Warning | FGF | Griggs, Nelson | 54 min |
| Aug 11, 7:48 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie, Williams | 42 min |
| Aug 11, 8:23 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie | 67 min |
| Aug 11, 9:04 PM CDT | Severe Thunderstorm Warning | BIS | Golden Valley, McKenzie | 56 min |
| Aug 11, 9:27 PM CDT | Severe Thunderstorm Warning | BIS | Adams | 63 min |
| Aug 11, 9:47 PM CDT | Severe Thunderstorm Warning | BIS | Dunn, McKenzie | 58 min |
| Aug 11, 10:14 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Grant, Hettinger, Sioux | 61 min |
| Aug 11, 10:23 PM CDT | Severe Thunderstorm Warning | BIS | Divide | 52 min |
| Aug 11, 10:43 PM CDT | Severe Thunderstorm Warning | BIS | Dunn, McKenzie, Mountrail | 62 min |
| Aug 11, 11:18 PM CDT | Severe Thunderstorm Warning | BIS | Dunn, McLean, Mountrail, Ward | 32 min |
| Aug 11, 11:20 PM CDT | Severe Thunderstorm Warning | BIS | Burke, Divide | 31 min |
| Aug 11, 11:40 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau, Mountrail, Renville, Ward | 65 min |
| Aug 11, 11:41 PM CDT | Severe Thunderstorm Warning | BIS | Dunn, McLean, Mountrail | 64 min |
| Aug 12, 12:17 AM CDT | Severe Thunderstorm Warning | BIS | Bottineau, McHenry, Renville, Ward | 58 min |
| Aug 12, 12:39 AM CDT | Severe Thunderstorm Warning | BIS | McHenry, McLean, Sheridan, Ward | 66 min |
| Aug 12, 1:09 AM CDT | Severe Thunderstorm Warning | BIS | Kidder, Logan, Stutsman | 66 min |
| Aug 12, 1:10 AM CDT | Severe Thunderstorm Warning | BIS | Bottineau, McHenry, Pierce, Rolette | 50 min |
| Aug 12, 1:16 AM CDT | Severe Thunderstorm Warning | BIS | McHenry, McLean, Pierce, Sheridan, Wells | 59 min |
| Aug 12, 2:12 AM CDT | Severe Thunderstorm Warning | BIS | Foster, LaMoure, Logan, Stutsman | 63 min |
| Aug 12, 2:30 AM CDT | Severe Thunderstorm Warning | FGF | Barnes | 60 min |
| Aug 12, 3:28 AM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass | 47 min |
| Aug 12, 1:40 PM CDT | Severe Thunderstorm Warning | FGF | Cass | 42 min |
| Aug 12, 7:18 PM CDT | Severe Thunderstorm Warning | BIS | LaMoure | 42 min |
| Aug 12, 7:38 PM CDT | Severe Thunderstorm Warning | BIS | Golden Valley | 67 min |
| Aug 12, 8:23 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Hettinger | 67 min |
| Aug 12, 8:26 PM CDT | Severe Thunderstorm Warning | BIS | Burke, Renville | 64 min |
| Aug 12, 8:33 PM CDT | Severe Thunderstorm Warning | BIS | Billings, Golden Valley | 57 min |
| Aug 12, 8:49 PM CDT | Severe Thunderstorm Warning | BIS | Slope | 56 min |
| Aug 12, 8:50 PM CDT | Severe Thunderstorm Warning | FGF | Cass, Traill | 55 min |
| Aug 12, 9:08 PM CDT | Severe Thunderstorm Warning | BIS | Billings, Dunn, Stark | 67 min |
| Aug 12, 9:24 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Bowman | 66 min |
| Aug 12, 9:25 PM CDT | Severe Thunderstorm Warning | BIS | Burke, Renville, Ward | 65 min |
| Aug 12, 9:47 PM CDT | Severe Thunderstorm Warning | FGF | Ransom, Richland, Sargent | 58 min |
| Aug 12, 10:04 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Grant, Hettinger, Morton, Sioux, Stark | 56 min |
| Aug 12, 10:06 PM CDT | Severe Thunderstorm Warning | BIS | Hettinger, Slope, Stark | 54 min |
| Aug 12, 10:26 PM CDT | Severe Thunderstorm Warning | BIS | Burke, Renville, Ward | 64 min |
| Aug 12, 10:29 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Bowman, Hettinger, Slope | 31 min |
| Aug 12, 10:34 PM CDT | Severe Thunderstorm Warning | FGF | Cass, Richland | 56 min |
| Aug 12, 10:53 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Emmons, Grant, Hettinger, Morton, Sioux and 1 more | 52 min |
| Aug 12, 11:07 PM CDT | Severe Thunderstorm Warning | BIS | Hettinger, Stark | 39 min |
| Aug 12, 11:18 PM CDT | Severe Thunderstorm Warning | BIS | Emmons, Grant, Morton, Sioux | 57 min |
| Aug 12, 11:25 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau, Renville, Ward | 65 min |
| Aug 12, 11:42 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Emmons, Kidder, Logan, Morton | 63 min |
| Aug 12, 11:55 PM CDT | Severe Thunderstorm Warning | BIS | Dickey, LaMoure, Logan, McIntosh | 65 min |
| Aug 13, 12:15 AM CDT | Severe Thunderstorm Warning | BIS | Emmons, Morton, Sioux | 32 min |
| Aug 13, 12:28 AM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Kidder, Stutsman | 62 min |
| Aug 13, 12:31 AM CDT | Severe Thunderstorm Warning | BIS | Burleigh, McLean, Morton, Oliver | 59 min |
| Aug 13, 12:45 AM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Emmons, Kidder, Morton | 60 min |
| Aug 13, 12:54 AM CDT | Severe Thunderstorm Warning | BIS | Dickey, LaMoure, Logan, McIntosh, Stutsman | 66 min |
| Aug 13, 1:16 AM CDT | Severe Thunderstorm Warning | BIS | Foster, Stutsman | 59 min |
| Aug 13, 1:25 AM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass, Griggs, Steele | 65 min |
| Aug 18, 9:37 AM CDT | Severe Thunderstorm Warning | FGF | Richland | 38 min |
| Aug 19, 7:40 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie, Williams | 27 min |
| Aug 20, 6:30 PM CDT | Severe Thunderstorm Warning | FGF | Cavalier, Ramsey, Towner | 60 min |
| Aug 30, 4:35 AM CDT | Severe Thunderstorm Warning | BIS | Kidder, Sheridan, Stutsman, Wells | 55 min |
| Aug 30, 5:24 AM CDT | Severe Thunderstorm Warning | BIS | Foster, Wells | 36 min |
| Aug 30, 5:35 AM CDT | Severe Thunderstorm Warning | FGF | Benson, Eddy | 40 min |
| Aug 30, 6:08 AM CDT | Severe Thunderstorm Warning | FGF | Benson, Ramsey | 67 min |
| Aug 30, 8:14 AM CDT | Severe Thunderstorm Warning | FGF | Pembina, Walsh | 39 min |
| Aug 30, 4:43 PM CDT | Severe Thunderstorm Warning | BIS | Dickey, LaMoure | 47 min |
| Aug 30, 5:07 PM CDT | Severe Thunderstorm Warning | FGF | Ransom, Sargent | 38 min |
| Aug 30, 7:03 PM CDT | Severe Thunderstorm Warning | BIS | Billings, Bowman, Golden Valley, Slope | 57 min |
| Sep 9, 4:13 PM CDT | Severe Thunderstorm Warning | BIS | Bowman, Golden Valley, Slope | 62 min |
| Sep 9, 4:41 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Hettinger, Slope, Stark | 64 min |
| Sep 9, 5:52 PM CDT | Severe Thunderstorm Warning | BIS | Dunn, Stark | 53 min |
| Sep 9, 6:33 PM CDT | Severe Thunderstorm Warning | BIS | Dunn, Mercer, Stark | 57 min |
| Sep 9, 7:01 PM CDT | Severe Thunderstorm Warning | BIS | Dunn, Mercer | 42 min |
| Sep 9, 7:33 PM CDT | Severe Thunderstorm Warning | BIS | McLean, Mercer, Oliver | 57 min |
| Sep 9, 7:40 PM CDT | Severe Thunderstorm Warning | BIS | Dunn, Mercer | 50 min |
| Sep 9, 8:31 PM CDT | Severe Thunderstorm Warning | BIS | Dunn, McLean, Mercer | 59 min |
| Sep 9, 8:34 PM CDT | Severe Thunderstorm Warning | BIS | Billings, Golden Valley, McKenzie | 56 min |
| Sep 9, 9:01 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie, Williams | 43 min |
| Sep 9, 9:29 PM CDT | Severe Thunderstorm Warning | BIS | Billings, Dunn, McKenzie | 46 min |
| Sep 9, 10:13 PM CDT | Severe Thunderstorm Warning | BIS | Dunn, McKenzie, Mountrail | 47 min |
| Sep 9, 10:45 PM CDT | Severe Thunderstorm Warning | BIS | Dunn, McKenzie, McLean, Mountrail | 45 min |
| Oct 9, 12:25 AM CDT | Severe Thunderstorm Warning | BIS | Adams, Bowman | 50 min |
| Oct 9, 12:54 AM CDT | Severe Thunderstorm Warning | BIS | Hettinger, Slope | 51 min |
| Oct 9, 1:41 AM CDT | Severe Thunderstorm Warning | BIS | Billings, Slope, Stark | 49 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Ward County62
- McKenzie County57
- Dunn County54
- Mountrail County47
- McLean County47
- Renville County45
- Williams County44
- Morton County42
- Stutsman County39
- Emmons County33
- Mercer County33
- Burke County33
- Cass County31
- Burleigh County31
- Bottineau County29
- Grant County29
- Adams County29
- McHenry County28
- Stark County28
- Logan County28
- Kidder County28
- Hettinger County27
- LaMoure County27
- Oliver County26
- Barnes County23
- Sioux County22
- Slope County22
- Divide County20
- Billings County20
- Bowman County19
- McIntosh County18
- Ransom County18
- Richland County17
- Wells County17
- Foster County16
- Dickey County15
- Traill County15
- Sheridan County15
- Golden Valley County14
- Walsh County13
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20092011
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.