Alert archive / North Dakota / Severe Thunderstorm Warnings

Severe Thunderstorm Warnings in North Dakota, 2021

254 severe thunderstorm warnings in 2021. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of severe thunderstorm warnings reaches back to 1986.

Severe Thunderstorm Warnings by county

Each county as a circle sized by its count in 2021. Tap one for its archive.

Severe Thunderstorm Warnings: 254
Busiest month: June110 severe thunderstorm warnings
Busiest day: June 8, 202143 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 14, 5:49 PM CDT	Severe Thunderstorm Warning	FGF	Richland	29 min
May 23, 8:31 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Mercer, Morton, Stark	44 min
Jun 4, 7:49 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Traill	41 min
Jun 5, 7:47 PM CDT	Severe Thunderstorm Warning	FGF	Cavalier, Pembina	58 min
Jun 5, 8:44 PM CDT	Severe Thunderstorm Warning	FGF	Pembina	16 min
Jun 5, 9:36 PM CDT	Severe Thunderstorm Warning	BIS	Bowman, Golden Valley, Slope	39 min
Jun 5, 11:11 PM CDT	Severe Thunderstorm Warning	BIS	Billings, Dunn, Stark	37 min
Jun 5, 11:59 PM CDT	Severe Thunderstorm Warning	BIS	Dunn, Stark	46 min
Jun 6, 12:13 AM CDT	Severe Thunderstorm Warning	BIS	Burleigh, McLean, Mercer, Oliver	62 min
Jun 6, 12:39 AM CDT	Severe Thunderstorm Warning	BIS	Dunn, Mercer, Morton, Stark	51 min
Jun 6, 12:43 AM CDT	Severe Thunderstorm Warning	BIS	Bottineau, McHenry, Renville, Ward	47 min
Jun 6, 1:52 AM CDT	Severe Thunderstorm Warning	BIS	McHenry, Pierce, Sheridan, Wells	38 min
Jun 6, 1:55 AM CDT	Severe Thunderstorm Warning	FGF	Benson, Cavalier, Eddy, Ramsey, Towner	65 min
Jun 6, 2:17 AM CDT	Severe Thunderstorm Warning	FGF	Cavalier, Towner	43 min
Jun 6, 2:39 AM CDT	Severe Thunderstorm Warning	FGF	Benson, Cavalier, Eddy, Grand Forks, Griggs, Nelson and 4 more	51 min
Jun 6, 3:24 AM CDT	Severe Thunderstorm Warning	FGF	Cavalier, Pembina, Walsh	66 min
Jun 7, 5:22 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Steele, Traill	38 min
Jun 7, 6:06 PM CDT	Severe Thunderstorm Warning	BIS	McIntosh	54 min
Jun 7, 6:39 PM CDT	Severe Thunderstorm Warning	BIS	Stutsman	66 min
Jun 7, 6:58 PM CDT	Severe Thunderstorm Warning	BIS	LaMoure, Logan, McIntosh	62 min
Jun 7, 7:38 PM CDT	Severe Thunderstorm Warning	BIS	LaMoure, Stutsman	67 min
Jun 7, 8:01 PM CDT	Severe Thunderstorm Warning	BIS	LaMoure, Logan, Stutsman	44 min
Jun 7, 8:02 PM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass, Griggs, Steele	58 min
Jun 7, 8:12 PM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass	63 min
Jun 7, 8:23 PM CDT	Severe Thunderstorm Warning	BIS	Logan, McIntosh	52 min
Jun 7, 8:44 PM CDT	Severe Thunderstorm Warning	BIS	LaMoure, Logan, Stutsman	61 min
Jun 7, 9:09 PM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass	66 min
Jun 7, 9:20 PM CDT	Severe Thunderstorm Warning	FGF	Ransom	23 min
Jun 7, 9:26 PM CDT	Severe Thunderstorm Warning	BIS	LaMoure	64 min
Jun 7, 10:03 PM CDT	Severe Thunderstorm Warning	FGF	Cass, Richland	57 min
Jun 7, 10:08 PM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass, Ransom, Richland	67 min
Jun 7, 11:41 PM CDT	Severe Thunderstorm Warning	BIS	Dickey, LaMoure	49 min
Jun 7, 11:51 PM CDT	Severe Thunderstorm Warning	BIS	Logan, McIntosh	39 min
Jun 8, 12:26 AM CDT	Severe Thunderstorm Warning	BIS	LaMoure	28 min
Jun 8, 1:39 AM CDT	Severe Thunderstorm Warning	FGF	Barnes	66 min
Jun 8, 1:44 AM CDT	Severe Thunderstorm Warning	BIS	LaMoure, Stutsman	61 min
Jun 8, 2:44 AM CDT	Severe Thunderstorm Warning	BIS	LaMoure, Stutsman	61 min
Jun 8, 2:45 AM CDT	Severe Thunderstorm Warning	FGF	Barnes, Ransom	60 min
Jun 8, 3:11 AM CDT	Severe Thunderstorm Warning	BIS	Stutsman	28 min
Jun 8, 3:42 AM CDT	Severe Thunderstorm Warning	FGF	Barnes	63 min
Jun 8, 4:00 AM CDT	Severe Thunderstorm Warning	BIS	Stutsman	60 min
Jun 8, 4:46 AM CDT	Severe Thunderstorm Warning	BIS	LaMoure	59 min
Jun 8, 4:47 AM CDT	Severe Thunderstorm Warning	FGF	Ransom	58 min
Jun 8, 4:57 AM CDT	Severe Thunderstorm Warning	BIS	Stutsman	63 min
Jun 8, 5:00 AM CDT	Severe Thunderstorm Warning	FGF	Barnes	60 min
Jun 8, 5:44 AM CDT	Severe Thunderstorm Warning	FGF	Barnes, Ransom	41 min
Jun 8, 6:00 AM CDT	Severe Thunderstorm Warning	BIS	LaMoure, Stutsman	60 min
Jun 8, 6:09 AM CDT	Severe Thunderstorm Warning	BIS	LaMoure	66 min
Jun 8, 7:07 AM CDT	Severe Thunderstorm Warning	BIS	Stutsman	38 min
Jun 8, 7:50 AM CDT	Severe Thunderstorm Warning	BIS	Stutsman	55 min
Jun 8, 8:02 AM CDT	Severe Thunderstorm Warning	BIS	Kidder	43 min
Jun 8, 9:04 AM CDT	Severe Thunderstorm Warning	BIS	Kidder	41 min
Jun 8, 10:06 AM CDT	Severe Thunderstorm Warning	BIS	Kidder	39 min
Jun 8, 10:44 AM CDT	Severe Thunderstorm Warning	BIS	Emmons, Kidder, Logan	46 min
Jun 8, 11:27 AM CDT	Severe Thunderstorm Warning	BIS	Emmons	33 min
Jun 8, 12:23 PM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Emmons, Kidder	52 min
Jun 8, 12:59 PM CDT	Severe Thunderstorm Warning	BIS	Sioux	61 min
Jun 8, 1:45 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Morton, Sioux	60 min
Jun 8, 2:43 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Morton	62 min
Jun 8, 3:45 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Morton	60 min
Jun 8, 4:41 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Sioux	49 min
Jun 8, 5:28 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Sioux	32 min
Jun 8, 6:32 PM CDT	Severe Thunderstorm Warning	BIS	Golden Valley, McKenzie	58 min
Jun 8, 7:25 PM CDT	Severe Thunderstorm Warning	BIS	Golden Valley, McKenzie	65 min
Jun 8, 8:12 PM CDT	Severe Thunderstorm Warning	BIS	McKenzie	20 min
Jun 8, 8:22 PM CDT	Severe Thunderstorm Warning	BIS	Billings, Dunn, McKenzie	38 min
Jun 8, 11:14 PM CDT	Severe Thunderstorm Warning	BIS	McKenzie, Williams	61 min
Jun 8, 11:58 PM CDT	Severe Thunderstorm Warning	BIS	Adams, Grant, Hettinger, Sioux	47 min
Jun 9, 12:01 AM CDT	Severe Thunderstorm Warning	BIS	Grant, Hettinger, Morton, Stark	59 min
Jun 9, 12:43 AM CDT	Severe Thunderstorm Warning	BIS	Grant, Morton, Sioux	47 min
Jun 9, 12:35 PM CDT	Severe Thunderstorm Warning	FGF	Pembina, Walsh	40 min
Jun 9, 12:47 PM CDT	Severe Thunderstorm Warning	FGF	Pembina	28 min
Jun 9, 12:59 PM CDT	Severe Thunderstorm Warning	FGF	Pembina	17 min
Jun 10, 4:51 PM CDT	Severe Thunderstorm Warning	BIS	McKenzie	54 min
Jun 10, 5:45 PM CDT	Severe Thunderstorm Warning	BIS	McKenzie, Williams	60 min
Jun 10, 7:10 PM CDT	Severe Thunderstorm Warning	BIS	McKenzie, Williams	65 min
Jun 10, 7:17 PM CDT	Severe Thunderstorm Warning	BIS	Golden Valley, McKenzie	58 min
Jun 10, 7:47 PM CDT	Severe Thunderstorm Warning	BIS	Burke, Divide, Williams	43 min
Jun 10, 8:23 PM CDT	Severe Thunderstorm Warning	BIS	Burke, Divide, Mountrail, Williams	52 min
Jun 10, 8:45 PM CDT	Severe Thunderstorm Warning	BIS	McKenzie, Williams	45 min
Jun 10, 9:28 PM CDT	Severe Thunderstorm Warning	BIS	Divide, McKenzie, Williams	62 min
Jun 10, 9:53 PM CDT	Severe Thunderstorm Warning	BIS	Burke, Mountrail	52 min
Jun 10, 10:23 PM CDT	Severe Thunderstorm Warning	BIS	McKenzie, Williams	52 min
Jun 10, 10:29 PM CDT	Severe Thunderstorm Warning	BIS	Burke, Divide, Mountrail, Williams	61 min
Jun 10, 10:35 PM CDT	Severe Thunderstorm Warning	BIS	Billings, Golden Valley, McKenzie, Williams	40 min
Jun 10, 10:57 PM CDT	Severe Thunderstorm Warning	BIS	Burke, Renville, Ward	39 min
Jun 10, 11:01 PM CDT	Severe Thunderstorm Warning	BIS	Billings, Golden Valley, Slope	59 min
Jun 10, 11:14 PM CDT	Severe Thunderstorm Warning	BIS	Divide, McKenzie, Williams	46 min
Jun 10, 11:29 PM CDT	Severe Thunderstorm Warning	BIS	Burke, Divide, Mountrail, Williams	61 min
Jun 10, 11:45 PM CDT	Severe Thunderstorm Warning	BIS	Burke, Divide, McKenzie, Mountrail, Williams	45 min
Jun 10, 11:51 PM CDT	Severe Thunderstorm Warning	BIS	Dunn, Grant, Hettinger, Mercer, Morton, Stark	54 min
Jun 11, 12:21 AM CDT	Severe Thunderstorm Warning	BIS	Grant, Morton, Sioux	54 min
Jun 11, 12:30 AM CDT	Severe Thunderstorm Warning	BIS	Bottineau, Burke, McKenzie, McLean, Mountrail, Renville and 2 more	60 min
Jun 11, 12:37 AM CDT	Severe Thunderstorm Warning	BIS	Dunn, Mercer, Morton, Oliver, Stark	38 min
Jun 11, 12:55 AM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Morton, Oliver	35 min
Jun 11, 1:11 AM CDT	Severe Thunderstorm Warning	BIS	Emmons, Grant, Morton, Sioux	34 min
Jun 11, 1:26 AM CDT	Severe Thunderstorm Warning	BIS	Bottineau, McHenry, McLean, Renville, Rolette, Sheridan and 1 more	64 min
Jun 11, 1:27 AM CDT	Severe Thunderstorm Warning	BIS	Burleigh, McLean, Morton, Oliver, Sheridan	33 min
Jun 11, 2:00 AM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Emmons, Kidder	45 min
Jun 11, 2:26 AM CDT	Severe Thunderstorm Warning	BIS	Bottineau, McHenry, Pierce, Renville, Rolette, Ward	64 min
Jun 11, 2:33 AM CDT	Severe Thunderstorm Warning	BIS	Emmons, Kidder, Logan, Stutsman	57 min
Jun 11, 3:23 AM CDT	Severe Thunderstorm Warning	FGF	Benson, Eddy, Griggs, Nelson, Ramsey, Steele	67 min
Jun 11, 3:43 AM CDT	Severe Thunderstorm Warning	BIS	Dickey, Foster, LaMoure, Logan, McIntosh, Stutsman	47 min
Jun 11, 3:48 AM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass, Griggs, Steele	57 min
Jun 11, 4:07 AM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass, Ransom, Richland, Sargent	38 min
Jun 11, 4:19 AM CDT	Severe Thunderstorm Warning	FGF	Cass, Grand Forks, Nelson, Steele, Traill, Walsh	56 min
Jun 11, 4:28 AM CDT	Severe Thunderstorm Warning	FGF	Benson, Eddy, Griggs, Nelson, Ramsey, Steele	62 min
Jun 11, 4:36 AM CDT	Severe Thunderstorm Warning	FGF	Cavalier, Nelson, Pembina, Ramsey, Towner, Walsh	54 min
Jun 11, 4:42 AM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass, Ransom, Richland, Sargent	63 min
Jun 11, 4:47 AM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass, Griggs, Steele	28 min
Jun 11, 5:07 AM CDT	Severe Thunderstorm Warning	FGF	Cass, Grand Forks, Nelson, Steele, Traill, Walsh	68 min
Jun 11, 5:39 AM CDT	Severe Thunderstorm Warning	FGF	Cass, Richland	66 min
Jul 3, 6:30 PM CDT	Severe Thunderstorm Warning	FGF	Benson, Nelson, Ramsey	45 min
Jul 3, 6:39 PM CDT	Severe Thunderstorm Warning	BIS	Stutsman	66 min
Jul 3, 6:40 PM CDT	Severe Thunderstorm Warning	BIS	Logan, Stutsman	65 min
Jul 3, 6:57 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Nelson, Pembina, Walsh	48 min
Jul 3, 7:31 PM CDT	Severe Thunderstorm Warning	FGF	Eddy, Grand Forks, Griggs, Nelson, Steele	59 min
Jul 3, 7:44 PM CDT	Severe Thunderstorm Warning	BIS	Foster	46 min
Jul 3, 8:02 PM CDT	Severe Thunderstorm Warning	BIS	LaMoure, Logan	38 min
Jul 3, 9:21 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Griggs, Nelson, Steele	24 min
Jul 8, 4:34 PM CDT	Severe Thunderstorm Warning	BIS	Divide	41 min
Jul 8, 5:00 PM CDT	Severe Thunderstorm Warning	BIS	Divide, Williams	60 min
Jul 8, 5:36 PM CDT	Severe Thunderstorm Warning	BIS	Williams	54 min
Jul 8, 5:38 PM CDT	Severe Thunderstorm Warning	BIS	Slope	52 min
Jul 8, 5:51 PM CDT	Severe Thunderstorm Warning	BIS	Adams, Bowman	54 min
Jul 8, 5:53 PM CDT	Severe Thunderstorm Warning	BIS	McKenzie, Williams	37 min
Jul 8, 6:28 PM CDT	Severe Thunderstorm Warning	BIS	McKenzie, Williams	47 min
Jul 8, 6:28 PM CDT	Severe Thunderstorm Warning	BIS	Adams, Bowman, Slope	62 min
Jul 8, 6:38 PM CDT	Severe Thunderstorm Warning	BIS	McKenzie	37 min
Jul 8, 6:51 PM CDT	Severe Thunderstorm Warning	BIS	Billings, Stark	54 min
Jul 8, 6:52 PM CDT	Severe Thunderstorm Warning	BIS	Billings, Dunn, McKenzie	68 min
Jul 8, 7:11 PM CDT	Severe Thunderstorm Warning	BIS	Billings, McKenzie	64 min
Jul 8, 7:14 PM CDT	Severe Thunderstorm Warning	BIS	Dunn, McKenzie, Mountrail	61 min
Jul 8, 7:29 PM CDT	Severe Thunderstorm Warning	BIS	Adams, Bowman	33 min
Jul 8, 7:44 PM CDT	Severe Thunderstorm Warning	BIS	Billings, Dunn, Stark	61 min
Jul 8, 7:50 PM CDT	Severe Thunderstorm Warning	BIS	Billings, Dunn, McKenzie	55 min
Jul 8, 9:01 PM CDT	Severe Thunderstorm Warning	BIS	Hettinger, Stark	59 min
Jul 8, 9:42 PM CDT	Severe Thunderstorm Warning	BIS	Adams, Grant, Hettinger	63 min
Jul 16, 5:40 AM CDT	Severe Thunderstorm Warning	BIS	Renville	35 min
Jul 16, 8:00 PM CDT	Severe Thunderstorm Warning	BIS	Mercer, Oliver	30 min
Jul 16, 8:29 PM CDT	Severe Thunderstorm Warning	BIS	Mercer, Oliver	31 min
Jul 16, 8:57 PM CDT	Severe Thunderstorm Warning	BIS	Mercer, Morton, Stark	33 min
Jul 16, 9:28 PM CDT	Severe Thunderstorm Warning	BIS	Morton, Stark	22 min
Jul 17, 7:32 PM CDT	Severe Thunderstorm Warning	BIS	Bottineau, Renville	28 min
Jul 17, 7:57 PM CDT	Severe Thunderstorm Warning	BIS	Bottineau	48 min
Jul 19, 11:28 AM CDT	Severe Thunderstorm Warning	FGF	Benson, Grand Forks, Nelson, Ramsey, Walsh	62 min
Jul 19, 12:11 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Griggs, Nelson, Ramsey, Steele, Walsh	64 min
Jul 19, 1:32 PM CDT	Severe Thunderstorm Warning	FGF	Cass, Grand Forks, Steele, Traill	58 min
Jul 19, 2:27 PM CDT	Severe Thunderstorm Warning	FGF	Cass, Richland, Traill	63 min
Jul 19, 3:13 PM CDT	Severe Thunderstorm Warning	FGF	Cass, Ransom, Richland, Sargent	62 min
Jul 19, 5:28 PM CDT	Severe Thunderstorm Warning	BIS	McHenry, Pierce	62 min
Jul 19, 6:26 PM CDT	Severe Thunderstorm Warning	BIS	McHenry	64 min
Jul 19, 6:44 PM CDT	Severe Thunderstorm Warning	BIS	Rolette	36 min
Jul 19, 6:44 PM CDT	Severe Thunderstorm Warning	FGF	Benson, Ramsey, Towner	46 min
Jul 19, 7:19 PM CDT	Severe Thunderstorm Warning	BIS	McHenry, McLean, Sheridan	18 min
Jul 20, 5:58 PM CDT	Severe Thunderstorm Warning	BIS	Golden Valley	34 min
Jul 22, 4:23 PM CDT	Severe Thunderstorm Warning	BIS	McKenzie, Mountrail, Williams	42 min
Jul 22, 5:12 PM CDT	Severe Thunderstorm Warning	BIS	Adams, Bowman, Hettinger, Slope	63 min
Jul 22, 6:10 PM CDT	Severe Thunderstorm Warning	BIS	Adams, Grant, Hettinger, Sioux	65 min
Jul 23, 7:31 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Sioux	32 min
Jul 23, 7:40 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Morton, Sioux	35 min
Jul 23, 8:20 PM CDT	Severe Thunderstorm Warning	BIS	Adams, Grant, Sioux	55 min
Jul 23, 9:30 PM CDT	Severe Thunderstorm Warning	BIS	Emmons, Logan, McIntosh	60 min
Jul 23, 10:09 PM CDT	Severe Thunderstorm Warning	BIS	Dickey	66 min
Jul 24, 12:41 AM CDT	Severe Thunderstorm Warning	FGF	Richland	49 min
Jul 25, 9:38 PM CDT	Severe Thunderstorm Warning	FGF	Richland	37 min
Jul 25, 10:04 PM CDT	Severe Thunderstorm Warning	FGF	Ransom, Richland, Sargent	56 min
Jul 25, 11:10 PM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass, Ransom, Richland	55 min
Jul 26, 6:42 PM CDT	Severe Thunderstorm Warning	BIS	Kidder, Logan, Stutsman	33 min
Jul 28, 3:43 AM CDT	Severe Thunderstorm Warning	FGF	Richland	39 min
Aug 4, 6:43 PM CDT	Severe Thunderstorm Warning	FGF	Towner	21 min
Aug 9, 5:23 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Wells	52 min
Aug 9, 5:29 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Kidder, Wells	46 min
Aug 9, 5:38 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FGF	Benson, Eddy	52 min
Aug 9, 6:02 PM CDT	Severe Thunderstorm Warning Destructive damage threat	BIS	Foster, Wells	43 min
Aug 9, 6:03 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FGF	Benson, Eddy	57 min
Aug 9, 6:10 PM CDT	Severe Thunderstorm Warning	BIS	McHenry, Pierce	35 min
Aug 9, 6:12 PM CDT	Severe Thunderstorm Warning	FGF	Benson, Cavalier, Towner	63 min
Aug 9, 6:43 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Foster	47 min
Aug 9, 6:59 PM CDT	Severe Thunderstorm Warning Destructive damage threat	FGF	Eddy	31 min
Aug 9, 7:04 PM CDT	Severe Thunderstorm Warning	FGF	Cavalier, Ramsey, Towner	56 min
Aug 9, 7:27 PM CDT	Severe Thunderstorm Warning	BIS	Foster	48 min
Aug 9, 7:29 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FGF	Eddy, Griggs, Nelson	46 min
Aug 9, 7:51 PM CDT	Severe Thunderstorm Warning	BIS	LaMoure, Stutsman	24 min
Aug 9, 7:57 PM CDT	Severe Thunderstorm Warning	FGF	Cavalier, Pembina, Ramsey, Walsh	63 min
Aug 9, 8:08 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Nelson	27 min
Aug 9, 8:12 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FGF	Eddy, Griggs, Nelson	63 min
Aug 9, 8:14 PM CDT	Severe Thunderstorm Warning	BIS	Foster	31 min
Aug 9, 8:52 PM CDT	Severe Thunderstorm Warning	FGF	Cavalier, Pembina	38 min
Aug 9, 9:09 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FGF	Grand Forks, Griggs, Nelson, Steele	66 min
Aug 9, 9:54 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FGF	Grand Forks, Steele	66 min
Aug 9, 10:30 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FGF	Grand Forks, Steele, Traill	30 min
Aug 9, 10:42 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FGF	Grand Forks, Traill	63 min
Aug 20, 4:49 PM CDT	Severe Thunderstorm Warning	FGF	Traill	26 min
Aug 20, 5:13 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FGF	Grand Forks, Traill	39 min
Aug 22, 4:15 PM CDT	Severe Thunderstorm Warning	BIS	Foster, Pierce, Wells	60 min
Aug 22, 4:19 PM CDT	Severe Thunderstorm Warning	FGF	Benson	41 min
Aug 22, 5:13 PM CDT	Severe Thunderstorm Warning	BIS	Dickey	32 min
Aug 22, 5:14 PM CDT	Severe Thunderstorm Warning	BIS	Foster, Wells	61 min
Aug 22, 5:58 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FGF	Eddy	47 min
Aug 22, 6:37 PM CDT	Severe Thunderstorm Warning	FGF	Eddy, Nelson	40 min
Aug 22, 6:48 PM CDT	Severe Thunderstorm Warning	FGF	Griggs	57 min
Aug 22, 7:40 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Nelson	23 min
Aug 22, 7:54 PM CDT	Severe Thunderstorm Warning	FGF	Steele	11 min
Aug 23, 10:06 PM CDT	Severe Thunderstorm Warning	BIS	Sioux	24 min
Aug 24, 12:14 AM CDT	Severe Thunderstorm Warning	BIS	Grant, Morton	46 min
Aug 24, 12:45 AM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Dickey	30 min
Aug 24, 1:12 AM CDT	Severe Thunderstorm Warning Destructive damage threat	FGF	Richland, Sargent	63 min
Aug 24, 2:14 AM CDT	Severe Thunderstorm Warning	FGF	Ransom, Richland, Sargent	46 min
Aug 24, 6:16 AM CDT	Severe Thunderstorm Warning	BIS	McLean, Mountrail, Ward	29 min
Aug 26, 2:18 AM CDT	Severe Thunderstorm Warning	BIS	Adams, Bowman	27 min
Aug 26, 2:43 AM CDT	Severe Thunderstorm Warning	BIS	Adams, Bowman	32 min
Aug 26, 3:28 AM CDT	Severe Thunderstorm Warning	BIS	Adams	32 min
Aug 26, 3:52 AM CDT	Severe Thunderstorm Warning	BIS	Adams, Grant, Sioux	23 min
Aug 27, 5:58 PM CDT	Severe Thunderstorm Warning	BIS	Divide, Williams	47 min
Aug 27, 6:23 PM CDT	Severe Thunderstorm Warning	BIS	McKenzie	52 min
Aug 27, 6:43 PM CDT	Severe Thunderstorm Warning	BIS	Divide, Williams	18 min
Aug 27, 7:06 PM CDT	Severe Thunderstorm Warning	BIS	McKenzie, McLean, Mountrail	54 min
Aug 30, 10:54 AM CDT	Severe Thunderstorm Warning	BIS	Oliver	36 min
Aug 30, 11:28 AM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Oliver	47 min
Aug 30, 12:13 PM CDT	Severe Thunderstorm Warning	BIS	Morton, Oliver	47 min
Aug 30, 12:58 PM CDT	Severe Thunderstorm Warning	BIS	Morton, Oliver	47 min
Aug 30, 1:02 PM CDT	Severe Thunderstorm Warning	BIS	Mercer, Oliver	43 min
Aug 30, 1:42 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Morton, Oliver	63 min
Aug 30, 1:44 PM CDT	Severe Thunderstorm Warning	BIS	Mercer, Oliver	61 min
Aug 30, 2:17 PM CDT	Severe Thunderstorm Warning Destructive damage threat	BIS	Morton	58 min
Aug 30, 3:15 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Morton	60 min
Aug 30, 3:48 PM CDT	Severe Thunderstorm Warning	BIS	McLean	42 min
Aug 30, 4:16 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Morton	59 min
Aug 30, 4:32 PM CDT	Severe Thunderstorm Warning	BIS	Hettinger	58 min
Aug 30, 4:43 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Morton	47 min
Aug 30, 5:00 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Grant, Morton	60 min
Aug 30, 5:28 PM CDT	Severe Thunderstorm Warning	BIS	Mercer, Oliver	47 min
Aug 30, 5:29 PM CDT	Severe Thunderstorm Warning Destructive damage threat	BIS	Adams, Hettinger	61 min
Aug 30, 5:43 PM CDT	Severe Thunderstorm Warning	BIS	McLean, Mercer	47 min
Aug 30, 5:54 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Morton	38 min
Aug 30, 6:02 PM CDT	Severe Thunderstorm Warning Destructive damage threat	BIS	Grant, Morton, Sioux	58 min
Aug 30, 6:30 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Adams	60 min
Aug 30, 6:49 PM CDT	Severe Thunderstorm Warning	BIS	Emmons, Grant, Morton, Sioux	35 min
Sep 2, 5:45 AM CDT	Severe Thunderstorm Warning	BIS	Mountrail	30 min
Sep 2, 7:40 AM CDT	Severe Thunderstorm Warning	BIS	Bottineau, Renville, Ward	29 min
Sep 2, 10:04 AM CDT	Severe Thunderstorm Warning	BIS	Billings, Golden Valley, Slope	41 min
Sep 13, 6:54 AM CDT	Severe Thunderstorm Warning	BIS	Hettinger	30 min
Sep 15, 9:42 PM CDT	Severe Thunderstorm Warning	FGF	Pembina, Walsh	63 min
Sep 15, 10:38 PM CDT	Severe Thunderstorm Warning	FGF	Pembina, Walsh	52 min
Sep 15, 10:47 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Walsh	43 min
Sep 15, 11:45 PM CDT	Severe Thunderstorm Warning	FGF	Traill	60 min
Oct 8, 5:26 PM CDT	Severe Thunderstorm Warning	FGF	Traill	52 min
Oct 8, 6:30 PM CDT	Severe Thunderstorm Warning	FGF	Cass, Traill	37 min
Oct 9, 5:46 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FGF	Ransom, Richland, Sargent	59 min
Oct 9, 6:43 PM CDT	Severe Thunderstorm Warning	FGF	Ransom, Richland, Sargent	62 min
Oct 9, 7:26 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FGF	Ransom, Richland, Sargent	64 min
Oct 9, 8:06 PM CDT	Severe Thunderstorm Warning	FGF	Cass, Ransom, Richland	41 min
Oct 13, 3:55 PM CDT	Severe Thunderstorm Warning	FGF	Ransom, Sargent	26 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 2020 2022

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.