Alert archive / North Dakota / Severe Thunderstorm Warnings

Severe Thunderstorm Warnings in North Dakota, 2024

296 severe thunderstorm warnings in 2024. 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 2024. Tap one for its archive.

Severe Thunderstorm Warnings: 296
Busiest month: July109 severe thunderstorm warnings
Busiest day: July 15, 202433 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.

191 of 296 severe thunderstorm warnings covering North Dakota in 2024 had a qualifying storm report inside them; 322 of 384 hail, wind and damage reports fell inside a warning, on average 24 minutes after it went out.

North Dakota, 2024

	Warnings	With a report	False alarm ratio	Reports	Inside a warning	Mean lead time
Severe thunderstorm warnings	296	191	35%	384	84%	24 min

Each office's whole area, 2024

	Warnings	With a report	False alarm ratio	Reports	Inside a warning	Mean lead time
NWS Grand Forks, ND: severe thunderstorm warnings	154	91	41%	197	76%	24 min
NWS Bismarck, ND: severe thunderstorm warnings	212	149	30%	316	86%	24 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
May 16, 8:44 PM CDT	Severe Thunderstorm Warning	FGF	Barnes, Griggs, Steele	61 min
May 16, 9:36 PM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass, Steele	39 min
May 16, 10:10 PM CDT	Severe Thunderstorm Warning	FGF	Cass	50 min
May 17, 3:22 PM CDT	Severe Thunderstorm Warning	BIS	McKenzie, Williams	53 min
May 17, 3:40 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Hettinger	50 min
May 17, 4:10 PM CDT	Severe Thunderstorm Warning	BIS	McKenzie, Mountrail, Williams	50 min
May 17, 4:47 PM CDT	Severe Thunderstorm Warning	BIS	Bottineau, McHenry, Pierce, Rolette	43 min
May 17, 4:54 PM CDT	Severe Thunderstorm Warning	BIS	McKenzie, Mountrail	36 min
May 17, 5:31 PM CDT	Severe Thunderstorm Warning	BIS	Adams, Hettinger	59 min
May 17, 6:14 PM CDT	Severe Thunderstorm Warning	FGF	Benson, Eddy, Griggs, Nelson, Ramsey, Walsh	46 min
May 17, 6:26 PM CDT	Severe Thunderstorm Warning	BIS	Adams, Grant, Morton, Sioux	64 min
May 17, 6:54 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Nelson	51 min
May 17, 8:46 PM CDT	Severe Thunderstorm Warning	BIS	McIntosh	44 min
May 19, 6:50 PM CDT	Severe Thunderstorm Warning	BIS	Sioux	38 min
May 19, 7:15 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Morton, Sioux	45 min
May 19, 7:28 PM CDT	Severe Thunderstorm Warning	BIS	Emmons, Sioux	47 min
May 19, 7:58 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Burleigh, Emmons, Morton, Sioux	47 min
May 19, 8:14 PM CDT	Severe Thunderstorm Warning	BIS	Emmons, Logan, McIntosh	34 min
May 23, 3:50 PM CDT	Severe Thunderstorm Warning	BIS	Dickey	55 min
May 23, 4:58 PM CDT	Severe Thunderstorm Warning	BIS	Emmons, Logan, McIntosh	47 min
May 23, 5:17 PM CDT	Severe Thunderstorm Warning	FGF	Ransom, Sargent	43 min
May 23, 5:24 PM CDT	Severe Thunderstorm Warning	BIS	Emmons	51 min
May 23, 5:42 PM CDT	Severe Thunderstorm Warning	BIS	Emmons, Logan, McIntosh	48 min
May 23, 6:07 PM CDT	Severe Thunderstorm Warning	BIS	Emmons, Logan, McIntosh	53 min
May 23, 6:29 PM CDT	Severe Thunderstorm Warning	BIS	Logan, Stutsman	31 min
May 23, 6:36 PM CDT	Severe Thunderstorm Warning	BIS	Adams, Hettinger	54 min
May 23, 6:57 PM CDT	Severe Thunderstorm Warning	BIS	LaMoure, Logan, McIntosh, Stutsman	48 min
May 23, 7:15 PM CDT	Severe Thunderstorm Warning	BIS	Adams, Grant, Hettinger, Sioux	60 min
May 29, 5:21 PM CDT	Severe Thunderstorm Warning	BIS	Bowman, Golden Valley, Slope	54 min
May 29, 5:42 PM CDT	Severe Thunderstorm Warning	BIS	Golden Valley	63 min
May 29, 7:16 PM CDT	Severe Thunderstorm Warning	BIS	McKenzie	44 min
Jun 2, 12:58 PM CDT	Severe Thunderstorm Warning	BIS	Kidder, Wells	49 min
Jun 2, 1:57 PM CDT	Severe Thunderstorm Warning	FGF	Benson, Eddy, Nelson, Ramsey	48 min
Jun 2, 2:34 PM CDT	Severe Thunderstorm Warning	BIS	Stutsman	41 min
Jun 2, 2:57 PM CDT	Severe Thunderstorm Warning	BIS	Emmons, McIntosh	63 min
Jun 2, 3:02 PM CDT	Severe Thunderstorm Warning	BIS	Logan	58 min
Jun 2, 3:09 PM CDT	Severe Thunderstorm Warning	BIS	Sheridan, Wells	43 min
Jun 2, 3:21 PM CDT	Severe Thunderstorm Warning	BIS	Kidder, Stutsman	54 min
Jun 2, 4:01 PM CDT	Severe Thunderstorm Warning	BIS	Stutsman	44 min
Jun 2, 4:44 PM CDT	Severe Thunderstorm Warning	FGF	Benson, Cavalier, Ramsey, Towner	46 min
Jun 2, 5:00 PM CDT	Severe Thunderstorm Warning	BIS	Adams, Grant, Sioux	45 min
Jun 2, 5:26 PM CDT	Severe Thunderstorm Warning	FGF	Cavalier, Nelson, Ramsey, Walsh	49 min
Jun 2, 5:51 PM CDT	Severe Thunderstorm Warning	BIS	Stutsman	39 min
Jun 2, 6:05 PM CDT	Severe Thunderstorm Warning	FGF	Barnes	55 min
Jun 2, 6:16 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Stutsman	59 min
Jun 2, 6:16 PM CDT	Severe Thunderstorm Warning	FGF	Cavalier, Pembina, Walsh	44 min
Jun 2, 6:25 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Stutsman	50 min
Jun 2, 6:38 PM CDT	Severe Thunderstorm Warning	BIS	Sioux	33 min
Jun 2, 6:54 PM CDT	Severe Thunderstorm Warning	BIS	Logan	47 min
Jun 2, 6:54 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FGF	Barnes	51 min
Jun 2, 7:02 PM CDT	Severe Thunderstorm Warning	BIS	LaMoure	58 min
Jun 2, 7:24 PM CDT	Severe Thunderstorm Warning Destructive damage threat	BIS	LaMoure	37 min
Jun 2, 7:28 PM CDT	Severe Thunderstorm Warning Destructive damage threat	FGF	Ransom	47 min
Jun 2, 8:07 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FGF	Ransom, Richland, Sargent	53 min
Jun 2, 8:16 PM CDT	Severe Thunderstorm Warning	BIS	Dickey	44 min
Jun 2, 8:58 PM CDT	Severe Thunderstorm Warning	FGF	Ransom, Richland, Sargent	62 min
Jun 2, 9:03 PM CDT	Severe Thunderstorm Warning	BIS	Mercer, Oliver	42 min
Jun 2, 9:58 PM CDT	Severe Thunderstorm Warning	FGF	Richland	62 min
Jun 3, 6:15 PM CDT	Severe Thunderstorm Warning	BIS	Adams, Hettinger	60 min
Jun 3, 7:56 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Sioux	29 min
Jun 12, 4:09 PM CDT	Severe Thunderstorm Warning	FGF	Richland	51 min
Jun 12, 8:18 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FGF	Pembina, Walsh	42 min
Jun 15, 4:35 PM CDT	Severe Thunderstorm Warning	BIS	McLean, Mercer	40 min
Jun 15, 5:27 PM CDT	Severe Thunderstorm Warning	FGF	Cavalier, Ramsey, Towner	48 min
Jun 15, 6:05 PM CDT	Severe Thunderstorm Warning	FGF	Cavalier, Ramsey, Towner	40 min
Jun 15, 7:05 PM CDT	Severe Thunderstorm Warning	BIS	Hettinger, Slope, Stark	40 min
Jun 15, 7:41 PM CDT	Severe Thunderstorm Warning	BIS	Hettinger, Stark	49 min
Jun 15, 8:48 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Grant, Hettinger, Morton, Stark	57 min
Jun 15, 9:33 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Divide, McKenzie, Williams	57 min
Jun 15, 9:40 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Grant, Morton	46 min
Jun 15, 9:43 PM CDT	Severe Thunderstorm Warning Destructive damage threat	BIS	McKenzie, Williams	62 min
Jun 15, 10:17 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Burke, Divide, McKenzie, Mountrail, Williams	58 min
Jun 15, 10:22 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Dunn, McKenzie	53 min
Jun 15, 11:10 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Burke, Divide, McKenzie, Mountrail, Renville, Ward and 1 more	65 min
Jun 15, 11:15 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Dunn, McKenzie, McLean, Mountrail	60 min
Jun 15, 11:51 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Bottineau, McHenry, Mountrail, Renville, Ward	54 min
Jun 16, 12:17 AM CDT	Severe Thunderstorm Warning	BIS	Dunn, McLean, Mercer	43 min
Jun 16, 12:36 AM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Bottineau, McHenry, Pierce, Renville, Rolette, Ward	54 min
Jun 16, 1:23 AM CDT	Severe Thunderstorm Warning	FGF	Benson, Cavalier, Ramsey, Towner	52 min
Jun 16, 1:36 AM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Burleigh, Morton	54 min
Jun 16, 2:12 AM CDT	Severe Thunderstorm Warning	FGF	Benson, Cavalier, Ramsey, Towner	48 min
Jun 16, 4:30 AM CDT	Severe Thunderstorm Warning	FGF	Barnes, Griggs, Steele	45 min
Jun 16, 4:52 AM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass, Steele, Traill	53 min
Jun 16, 5:12 AM CDT	Severe Thunderstorm Warning	FGF	Steele, Traill	33 min
Jun 17, 9:29 PM CDT	Severe Thunderstorm Warning	BIS	Burleigh, McLean, Mercer, Oliver, Sheridan	61 min
Jun 18, 12:30 AM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Griggs, Nelson, Ramsey, Steele, Walsh	45 min
Jun 18, 12:44 AM CDT	Severe Thunderstorm Warning	BIS	Dickey, Emmons, LaMoure, Logan, McIntosh	61 min
Jun 18, 1:10 AM CDT	Severe Thunderstorm Warning	FGF	Grand Forks	50 min
Jun 18, 1:19 AM CDT	Severe Thunderstorm Warning	BIS	Stutsman	41 min
Jun 18, 1:23 AM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass, Griggs, Steele, Traill	52 min
Jun 18, 1:39 AM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Dickey, LaMoure, Logan, McIntosh	66 min
Jun 18, 1:54 AM CDT	Severe Thunderstorm Warning	FGF	Grand Forks	51 min
Jun 18, 2:07 AM CDT	Severe Thunderstorm Warning Destructive damage threat	FGF	Cass, Steele, Traill	23 min
Jun 18, 2:11 AM CDT	Severe Thunderstorm Warning Considerable damage threat	FGF	Barnes, Cass, Ransom, Richland, Sargent	49 min
Jun 18, 2:22 AM CDT	Severe Thunderstorm Warning Considerable damage threat	FGF	Cass, Steele, Traill	38 min
Jun 18, 2:50 AM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass, Ransom, Richland, Sargent, Traill	40 min
Jun 18, 3:24 AM CDT	Severe Thunderstorm Warning Considerable damage threat	FGF	Cass	66 min
Jun 18, 3:25 AM CDT	Severe Thunderstorm Warning	FGF	Ransom, Richland, Sargent	65 min
Jun 18, 4:27 AM CDT	Severe Thunderstorm Warning	FGF	Richland, Sargent	63 min
Jun 22, 5:42 PM CDT	Severe Thunderstorm Warning	BIS	Golden Valley, Slope	63 min
Jun 22, 6:33 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Adams, Bowman, Hettinger, Slope	57 min
Jun 22, 7:16 PM CDT	Severe Thunderstorm Warning	FGF	Cavalier	25 min
Jun 24, 12:38 AM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Burke, Divide	52 min
Jun 24, 1:08 AM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Bottineau, Burke, Renville, Ward	67 min
Jun 24, 1:26 AM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Burke	34 min
Jun 24, 2:13 AM CDT	Severe Thunderstorm Warning	BIS	Bottineau, Renville	47 min
Jun 24, 2:43 AM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Burke, Renville, Ward	62 min
Jun 24, 3:40 AM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Bottineau, Renville	65 min
Jun 24, 9:00 AM CDT	Severe Thunderstorm Warning	FGF	Cavalier, Pembina	30 min
Jun 27, 4:40 PM CDT	Severe Thunderstorm Warning	BIS	Golden Valley, McKenzie	65 min
Jun 27, 5:30 PM CDT	Severe Thunderstorm Warning	BIS	Billings, Golden Valley, McKenzie	60 min
Jun 27, 5:31 PM CDT	Severe Thunderstorm Warning	BIS	Billings, Golden Valley, Slope, Stark	59 min
Jun 27, 6:28 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Billings	47 min
Jun 27, 6:28 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Billings, Hettinger, Slope, Stark	62 min
Jun 27, 6:40 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Bowman, Golden Valley, Slope	65 min
Jun 27, 6:44 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Billings, Golden Valley	46 min
Jun 27, 7:05 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Billings, Dunn, Stark	40 min
Jun 27, 7:09 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	McKenzie	51 min
Jun 27, 7:13 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Billings, Dunn, Stark	77 min
Jun 27, 7:17 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Adams, Bowman, Hettinger, Slope	73 min
Jun 27, 7:18 PM CDT	Severe Thunderstorm Warning	BIS	Hettinger, Slope, Stark	57 min
Jun 27, 7:40 PM CDT	Severe Thunderstorm Warning	BIS	Dunn, McKenzie, Mountrail	65 min
Jun 27, 7:58 PM CDT	Severe Thunderstorm Warning Destructive damage threat	BIS	Grant, Hettinger, Morton, Stark	62 min
Jun 27, 8:04 PM CDT	Severe Thunderstorm Warning Destructive damage threat	BIS	Adams, Grant, Sioux	56 min
Jun 27, 8:05 PM CDT	Severe Thunderstorm Warning Destructive damage threat	BIS	Dunn, Mercer, Morton, Stark	40 min
Jun 27, 8:39 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Mercer, Morton, Oliver	48 min
Jun 27, 8:52 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Adams, Grant, Sioux	53 min
Jun 28, 8:19 PM CDT	Severe Thunderstorm Warning	FGF	Griggs, Steele	41 min
Jun 28, 8:59 PM CDT	Severe Thunderstorm Warning	FGF	Steele, Traill	46 min
Jun 28, 9:33 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FGF	Traill	42 min
Jul 1, 3:43 PM CDT	Severe Thunderstorm Warning	BIS	Dunn, Mercer, Morton, Oliver, Stark	47 min
Jul 9, 6:33 PM CDT	Severe Thunderstorm Warning	BIS	LaMoure, Logan, Stutsman	30 min
Jul 9, 9:06 PM CDT	Severe Thunderstorm Warning	FGF	Barnes	24 min
Jul 12, 4:02 PM CDT	Severe Thunderstorm Warning	BIS	Burke, Divide, Mountrail, Williams	58 min
Jul 12, 4:51 PM CDT	Severe Thunderstorm Warning	BIS	Burke, Mountrail, Williams	54 min
Jul 12, 5:33 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Mountrail, Ward	57 min
Jul 12, 6:40 PM CDT	Severe Thunderstorm Warning	BIS	Dunn, McKenzie	65 min
Jul 12, 6:46 PM CDT	Severe Thunderstorm Warning	BIS	McLean, Ward	59 min
Jul 12, 6:49 PM CDT	Severe Thunderstorm Warning	BIS	Hettinger, Slope, Stark	56 min
Jul 12, 7:27 PM CDT	Severe Thunderstorm Warning	BIS	McHenry, McLean, Pierce, Ward	63 min
Jul 12, 7:28 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Dunn	62 min
Jul 12, 8:30 PM CDT	Severe Thunderstorm Warning	BIS	McHenry, McLean, Pierce, Sheridan, Wells	60 min
Jul 12, 8:49 PM CDT	Severe Thunderstorm Warning	BIS	McLean, Mercer, Oliver	56 min
Jul 12, 8:54 PM CDT	Severe Thunderstorm Warning	FGF	Benson, Towner	66 min
Jul 12, 9:13 PM CDT	Severe Thunderstorm Warning	BIS	Adams, Grant, Hettinger	62 min
Jul 12, 9:43 PM CDT	Severe Thunderstorm Warning	BIS	Morton, Oliver	48 min
Jul 12, 9:56 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Sioux	43 min
Jul 12, 10:46 PM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Emmons, Morton	49 min
Jul 12, 11:10 PM CDT	Severe Thunderstorm Warning	BIS	Divide, Williams	65 min
Jul 13, 2:39 AM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Bottineau, McHenry, Renville, Ward	54 min
Jul 13, 6:24 PM CDT	Severe Thunderstorm Warning	FGF	Traill	51 min
Jul 13, 7:57 PM CDT	Severe Thunderstorm Warning	FGF	Cass	37 min
Jul 13, 9:37 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Adams, Bowman, Slope	53 min
Jul 13, 10:30 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Adams, Bowman, Hettinger, Slope	60 min
Jul 14, 5:14 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Bottineau, Renville	61 min
Jul 14, 5:44 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Bottineau, McHenry	61 min
Jul 14, 6:51 PM CDT	Severe Thunderstorm Warning	BIS	Bottineau	54 min
Jul 14, 7:44 PM CDT	Severe Thunderstorm Warning	BIS	Bottineau, McHenry	46 min
Jul 14, 8:12 PM CDT	Severe Thunderstorm Warning	BIS	Bottineau	48 min
Jul 14, 8:25 PM CDT	Severe Thunderstorm Warning	BIS	Bottineau, McHenry, Pierce	65 min
Jul 14, 8:39 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	McKenzie, Williams	66 min
Jul 14, 8:48 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Mountrail, Williams	57 min
Jul 14, 8:59 PM CDT	Severe Thunderstorm Warning	BIS	Bottineau, McHenry	46 min
Jul 14, 9:21 PM CDT	Severe Thunderstorm Warning	BIS	McHenry	39 min
Jul 14, 9:32 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Dunn, McKenzie, McLean, Mountrail	58 min
Jul 14, 9:34 PM CDT	Severe Thunderstorm Warning	BIS	McHenry, Pierce	56 min
Jul 14, 9:51 PM CDT	Severe Thunderstorm Warning	BIS	Renville, Ward	39 min
Jul 14, 9:57 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Mountrail, Ward	63 min
Jul 14, 10:04 PM CDT	Severe Thunderstorm Warning	BIS	McHenry, Pierce	56 min
Jul 14, 10:20 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	McLean, Mercer, Mountrail, Ward	55 min
Jul 14, 10:30 PM CDT	Severe Thunderstorm Warning	BIS	Pierce	45 min
Jul 14, 10:32 PM CDT	Severe Thunderstorm Warning	BIS	Bottineau, Renville	43 min
Jul 14, 10:37 PM CDT	Severe Thunderstorm Warning	BIS	McKenzie, Mountrail	38 min
Jul 14, 10:37 PM CDT	Severe Thunderstorm Warning	FGF	Benson	53 min
Jul 14, 10:45 PM CDT	Severe Thunderstorm Warning	BIS	Ward	60 min
Jul 14, 10:46 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	McHenry, Pierce	35 min
Jul 14, 11:05 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	McLean, Mountrail	40 min
Jul 14, 11:11 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	McLean, Mercer, Oliver	50 min
Jul 14, 11:11 PM CDT	Severe Thunderstorm Warning	BIS	Pierce, Sheridan, Wells	64 min
Jul 14, 11:26 PM CDT	Severe Thunderstorm Warning	FGF	Benson	34 min
Jul 14, 11:33 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	McLean, Mercer	42 min
Jul 14, 11:45 PM CDT	Severe Thunderstorm Warning	FGF	Eddy	45 min
Jul 15, 12:10 AM CDT	Severe Thunderstorm Warning	BIS	McLean, Mercer, Oliver	28 min
Jul 15, 12:26 AM CDT	Severe Thunderstorm Warning	FGF	Eddy	20 min
Jul 15, 1:38 AM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Kidder, Sheridan, Wells	52 min
Jul 15, 2:18 AM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Kidder, Stutsman	57 min
Jul 15, 2:46 AM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	LaMoure, Logan, Stutsman	45 min
Jul 15, 3:20 AM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass	40 min
Jul 15, 3:51 AM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass, Ransom, Richland, Sargent	54 min
Jul 15, 4:30 AM CDT	Severe Thunderstorm Warning	FGF	Ransom, Richland, Sargent	60 min
Jul 22, 3:12 PM CDT	Severe Thunderstorm Warning	FGF	Cavalier, Pembina	63 min
Jul 22, 4:11 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FGF	Cavalier, Pembina, Walsh	49 min
Jul 22, 4:21 PM CDT	Severe Thunderstorm Warning	FGF	Cavalier, Pembina	54 min
Jul 22, 5:00 PM CDT	Severe Thunderstorm Warning	FGF	Walsh	45 min
Jul 22, 5:19 PM CDT	Severe Thunderstorm Warning	FGF	Nelson, Ramsey, Walsh	41 min
Jul 22, 5:54 PM CDT	Severe Thunderstorm Warning	FGF	Benson, Nelson, Ramsey, Walsh	51 min
Jul 22, 6:20 PM CDT	Severe Thunderstorm Warning	FGF	Benson, Ramsey	40 min
Jul 22, 6:42 PM CDT	Severe Thunderstorm Warning	FGF	Benson, Eddy, Ramsey	48 min
Jul 22, 7:01 PM CDT	Severe Thunderstorm Warning	FGF	Benson	44 min
Jul 22, 7:22 PM CDT	Severe Thunderstorm Warning	FGF	Eddy	38 min
Jul 22, 7:37 PM CDT	Severe Thunderstorm Warning	FGF	Benson	38 min
Jul 22, 7:40 PM CDT	Severe Thunderstorm Warning	BIS	Foster, Stutsman, Wells	65 min
Jul 27, 8:11 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Morton	49 min
Jul 27, 8:53 PM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Morton	52 min
Jul 27, 9:28 PM CDT	Severe Thunderstorm Warning	BIS	Burleigh	33 min
Jul 28, 2:11 AM CDT	Severe Thunderstorm Warning	FGF	Pembina	13 min
Jul 29, 3:52 AM CDT	Severe Thunderstorm Warning	BIS	Grant, Sioux	53 min
Jul 29, 4:26 PM CDT	Severe Thunderstorm Warning	BIS	Dunn, McLean, Mercer	64 min
Jul 29, 4:46 PM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Morton, Oliver	59 min
Jul 29, 5:07 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Burleigh, Morton	53 min
Jul 29, 5:33 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Hettinger, Stark	27 min
Jul 29, 5:46 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Burleigh, Morton	59 min
Jul 29, 5:51 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Hettinger	54 min
Jul 29, 6:02 PM CDT	Severe Thunderstorm Warning	BIS	Ward	33 min
Jul 29, 6:18 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Burleigh, Emmons, Morton	57 min
Jul 29, 6:28 PM CDT	Severe Thunderstorm Warning	BIS	LaMoure	62 min
Jul 29, 6:51 PM CDT	Severe Thunderstorm Warning	BIS	Burleigh	54 min
Jul 29, 6:56 PM CDT	Severe Thunderstorm Warning	BIS	Dickey, LaMoure	64 min
Jul 29, 7:06 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Burleigh, Emmons	54 min
Jul 29, 7:13 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Morton, Sioux	47 min
Jul 29, 7:53 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Dickey, LaMoure	47 min
Jul 29, 8:02 PM CDT	Severe Thunderstorm Warning	BIS	Emmons, Morton, Sioux	58 min
Jul 29, 8:45 PM CDT	Severe Thunderstorm Warning	BIS	LaMoure, Logan, Stutsman	45 min
Jul 29, 8:54 PM CDT	Severe Thunderstorm Warning	BIS	McLean, Sheridan	51 min
Jul 29, 8:58 PM CDT	Severe Thunderstorm Warning	BIS	Emmons, Kidder, Logan	47 min
Jul 29, 9:23 PM CDT	Severe Thunderstorm Warning	BIS	Dickey, Kidder, LaMoure, Logan, McIntosh, Stutsman	67 min
Jul 29, 10:27 PM CDT	Severe Thunderstorm Warning	BIS	Dickey, LaMoure, Stutsman	63 min
Jul 29, 10:49 PM CDT	Severe Thunderstorm Warning	FGF	Ransom, Sargent	56 min
Jul 30, 5:17 PM CDT	Severe Thunderstorm Warning	BIS	Dunn, Mercer	58 min
Jul 30, 6:11 PM CDT	Severe Thunderstorm Warning	BIS	McLean, Mercer, Oliver	49 min
Jul 30, 6:50 PM CDT	Severe Thunderstorm Warning	BIS	McLean	40 min
Jul 30, 7:03 PM CDT	Severe Thunderstorm Warning	BIS	Ward	42 min
Jul 30, 7:45 PM CDT	Severe Thunderstorm Warning	BIS	McHenry, Ward	45 min
Jul 31, 6:11 AM CDT	Severe Thunderstorm Warning	FGF	Ramsey	34 min
Jul 31, 6:45 AM CDT	Severe Thunderstorm Warning	FGF	Ramsey	45 min
Jul 31, 11:31 AM CDT	Severe Thunderstorm Warning Considerable damage threat	FGF	Barnes, Ransom	44 min
Jul 31, 12:16 PM CDT	Severe Thunderstorm Warning Destructive damage threat	FGF	Richland, Sargent	44 min
Jul 31, 12:45 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FGF	Richland, Sargent	45 min
Jul 31, 1:19 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FGF	Richland	56 min
Aug 6, 6:26 PM CDT	Severe Thunderstorm Warning	BIS	Bottineau, Burke, Renville, Ward	64 min
Aug 6, 7:00 PM CDT	Severe Thunderstorm Warning Destructive damage threat	BIS	Burke, Renville, Ward	30 min
Aug 6, 7:21 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Bottineau, Renville, Ward	54 min
Aug 6, 7:23 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Burke, Mountrail, Renville, Ward	67 min
Aug 6, 7:30 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Burke, Mountrail	45 min
Aug 6, 7:39 PM CDT	Severe Thunderstorm Warning	BIS	Bottineau, McHenry	51 min
Aug 6, 8:10 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Bottineau, McHenry, Renville, Ward	47 min
Aug 6, 8:11 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Mountrail, Ward	64 min
Aug 6, 8:16 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Ward	59 min
Aug 6, 8:59 PM CDT	Severe Thunderstorm Warning	BIS	Ward	46 min
Aug 6, 9:49 PM CDT	Severe Thunderstorm Warning	BIS	McLean, Sheridan	41 min
Aug 6, 11:05 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Burleigh, Kidder	40 min
Aug 21, 11:08 PM CDT	Severe Thunderstorm Warning	BIS	McKenzie	22 min
Aug 22, 12:21 AM CDT	Severe Thunderstorm Warning	BIS	McHenry, Ward	39 min
Aug 22, 12:40 AM CDT	Severe Thunderstorm Warning	BIS	Burke	23 min
Aug 22, 1:28 AM CDT	Severe Thunderstorm Warning	BIS	Bottineau, McHenry, Pierce	47 min
Aug 28, 5:14 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Sioux	61 min
Aug 28, 5:17 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Sioux	58 min
Aug 28, 5:39 PM CDT	Severe Thunderstorm Warning	BIS	Morton	51 min
Aug 28, 6:09 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Emmons, Sioux	66 min
Aug 28, 6:10 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Burleigh, Morton	65 min
Aug 28, 7:02 PM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Sheridan	58 min
Aug 28, 7:09 PM CDT	Severe Thunderstorm Warning	BIS	Emmons, Sioux	49 min
Aug 28, 10:13 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Emmons	47 min
Aug 28, 10:21 PM CDT	Severe Thunderstorm Warning	FGF	Barnes, Griggs	39 min
Aug 28, 10:54 PM CDT	Severe Thunderstorm Warning	BIS	Emmons, Logan	66 min
Aug 28, 10:54 PM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass, Griggs, Steele	66 min
Aug 28, 11:42 PM CDT	Severe Thunderstorm Warning	BIS	Kidder, Logan, Stutsman	63 min
Aug 28, 11:54 PM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass, Steele, Traill	66 min
Aug 29, 12:21 AM CDT	Severe Thunderstorm Warning	BIS	Pierce, Sheridan, Wells	54 min
Aug 29, 12:41 AM CDT	Severe Thunderstorm Warning	FGF	Benson	49 min
Aug 29, 12:58 AM CDT	Severe Thunderstorm Warning	BIS	McHenry, McLean, Sheridan	47 min
Aug 29, 1:02 AM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass	43 min
Aug 29, 1:23 AM CDT	Severe Thunderstorm Warning	BIS	Burleigh, McLean, Oliver, Sheridan	52 min
Aug 29, 1:41 AM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Morton, Oliver, Sheridan	49 min
Aug 29, 1:54 AM CDT	Severe Thunderstorm Warning	BIS	McHenry, Pierce	24 min
Aug 29, 3:13 AM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Steele, Traill	47 min
Aug 29, 3:34 AM CDT	Severe Thunderstorm Warning Considerable damage threat	FGF	Grand Forks, Traill	56 min
Aug 29, 5:09 AM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Griggs, Nelson, Steele	51 min
Sep 12, 7:09 PM CDT	Severe Thunderstorm Warning	BIS	Dunn, Hettinger, Stark	36 min
Sep 12, 7:57 PM CDT	Severe Thunderstorm Warning	BIS	Golden Valley, McKenzie	35 min
Sep 16, 1:01 AM CDT	Severe Thunderstorm Warning	BIS	McLean, Sheridan	44 min
Sep 16, 1:10 AM CDT	Severe Thunderstorm Warning	BIS	McLean, Mercer	50 min
Sep 16, 1:17 AM CDT	Severe Thunderstorm Warning	BIS	McLean, Mercer	43 min
Sep 16, 1:57 AM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	McLean, Mercer	63 min
Sep 16, 2:23 AM CDT	Severe Thunderstorm Warning	BIS	McHenry, Pierce, Sheridan	52 min
Sep 16, 3:02 AM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	McHenry, Pierce	58 min
Sep 16, 3:12 AM CDT	Severe Thunderstorm Warning	BIS	McLean, Sheridan	49 min
Sep 16, 3:26 AM CDT	Severe Thunderstorm Warning Considerable damage threat	FGF	Benson, Ramsey	64 min
Sep 16, 4:30 AM CDT	Severe Thunderstorm Warning	FGF	Benson, Ramsey, Towner	29 min
Sep 16, 5:31 AM CDT	Severe Thunderstorm Warning	FGF	Benson, Ramsey, Towner	38 min
Sep 16, 5:35 PM CDT	Severe Thunderstorm Warning	FGF	Cavalier	55 min
Sep 16, 6:39 PM CDT	Severe Thunderstorm Warning	BIS	McHenry, Ward	51 min
Sep 16, 7:12 PM CDT	Severe Thunderstorm Warning	BIS	McHenry, Ward	48 min
Sep 16, 7:35 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	McHenry	55 min
Sep 16, 8:40 PM CDT	Severe Thunderstorm Warning	BIS	McHenry, Pierce	65 min
Sep 16, 9:21 PM CDT	Severe Thunderstorm Warning	FGF	Benson	54 min

By county

Every county with at least one alert. A county page lists each alert that covered it.

13 more counties

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record The radar archive 2023 2025

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.