Alert archive / North Dakota / Severe Thunderstorm Warnings

Severe Thunderstorm Warnings in North Dakota, 2016

400 severe thunderstorm warnings in 2016. 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 2016. Tap one for its archive.

Severe Thunderstorm Warnings: 400
Busiest month: July170 severe thunderstorm warnings
Busiest day: July 10, 201632 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.

318 of 400 severe thunderstorm warnings covering North Dakota in 2016 had a qualifying storm report inside them; 702 of 780 hail, wind and damage reports fell inside a warning, on average 26 minutes after it went out.

North Dakota, 2016

	Warnings	With a report	False alarm ratio	Reports	Inside a warning	Mean lead time
Severe thunderstorm warnings	400	318	20%	780	90%	26 min

Each office's whole area, 2016

	Warnings	With a report	False alarm ratio	Reports	Inside a warning	Mean lead time
NWS Grand Forks, ND: severe thunderstorm warnings	218	185	15%	502	86%	27 min
NWS Bismarck, ND: severe thunderstorm warnings	259	195	25%	463	91%	26 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 6, 5:28 PM CDT	Severe Thunderstorm Warning	BIS	Burleigh, McLean, Mercer, Oliver	47 min
Apr 6, 6:11 PM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Emmons, McLean, Morton, Oliver	49 min
May 22, 7:35 PM CDT	Severe Thunderstorm Warning	BIS	Foster, Stutsman	55 min
May 22, 8:48 PM CDT	Severe Thunderstorm Warning	BIS	Stutsman	57 min
May 22, 11:16 PM CDT	Severe Thunderstorm Warning	BIS	Wells	44 min
May 22, 11:17 PM CDT	Severe Thunderstorm Warning	FGF	Benson, Eddy, Ramsey	58 min
May 25, 4:43 PM CDT	Severe Thunderstorm Warning	BIS	Morton, Sioux	62 min
May 25, 5:36 PM CDT	Severe Thunderstorm Warning	BIS	Emmons, Morton, Sioux	54 min
May 25, 6:30 PM CDT	Severe Thunderstorm Warning	BIS	Emmons, Logan, McIntosh	60 min
May 25, 7:37 PM CDT	Severe Thunderstorm Warning	BIS	McIntosh	38 min
May 25, 8:00 PM CDT	Severe Thunderstorm Warning	BIS	Logan	30 min
May 25, 9:24 PM CDT	Severe Thunderstorm Warning	BIS	Dickey	27 min
May 25, 9:31 PM CDT	Severe Thunderstorm Warning	FGF	Sargent	32 min
May 25, 9:56 PM CDT	Severe Thunderstorm Warning	FGF	Richland	64 min
May 30, 2:28 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks	47 min
May 30, 3:17 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks	43 min
May 30, 3:37 PM CDT	Severe Thunderstorm Warning	BIS	Adams, Grant, Sioux	43 min
May 30, 4:14 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks	28 min
May 30, 4:32 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks	31 min
May 30, 4:33 PM CDT	Severe Thunderstorm Warning	BIS	McIntosh	32 min
May 30, 8:38 PM CDT	Severe Thunderstorm Warning	FGF	Cass	39 min
Jun 2, 5:04 PM CDT	Severe Thunderstorm Warning	BIS	Dunn, Mercer, Morton, Stark	56 min
Jun 3, 3:37 PM CDT	Severe Thunderstorm Warning	FGF	Towner	21 min
Jun 9, 3:21 PM CDT	Severe Thunderstorm Warning	BIS	Divide	54 min
Jun 9, 3:55 PM CDT	Severe Thunderstorm Warning	BIS	Williams	34 min
Jun 9, 4:14 PM CDT	Severe Thunderstorm Warning	BIS	Divide	40 min
Jun 9, 5:01 PM CDT	Severe Thunderstorm Warning	BIS	Burke, Renville, Ward	47 min
Jun 9, 7:32 PM CDT	Severe Thunderstorm Warning	BIS	Adams	58 min
Jun 9, 8:09 PM CDT	Severe Thunderstorm Warning	BIS	Divide, Williams	66 min
Jun 9, 8:13 PM CDT	Severe Thunderstorm Warning	BIS	Bottineau, Rolette	47 min
Jun 9, 8:56 PM CDT	Severe Thunderstorm Warning	BIS	Billings, Golden Valley	64 min
Jun 9, 9:07 PM CDT	Severe Thunderstorm Warning	BIS	Burke, Mountrail, Ward, Williams	53 min
Jun 9, 9:08 PM CDT	Severe Thunderstorm Warning	BIS	Hettinger, Stark	31 min
Jun 9, 9:49 PM CDT	Severe Thunderstorm Warning	BIS	Slope	56 min
Jun 9, 9:56 PM CDT	Severe Thunderstorm Warning	BIS	Billings, Golden Valley	51 min
Jun 9, 9:57 PM CDT	Severe Thunderstorm Warning	BIS	Mountrail, Renville, Ward	48 min
Jun 9, 10:07 PM CDT	Severe Thunderstorm Warning	BIS	Bottineau, Renville, Ward	53 min
Jun 9, 10:30 PM CDT	Severe Thunderstorm Warning	BIS	Billings, Dunn, McKenzie, Mercer	46 min
Jun 9, 10:33 PM CDT	Severe Thunderstorm Warning	BIS	Mountrail, Renville, Ward	57 min
Jun 9, 10:56 PM CDT	Severe Thunderstorm Warning	BIS	McHenry	49 min
Jun 9, 11:40 PM CDT	Severe Thunderstorm Warning	BIS	Bottineau, McHenry, Pierce, Rolette	65 min
Jun 9, 11:48 PM CDT	Severe Thunderstorm Warning	BIS	McHenry, McLean, Mercer, Sheridan, Ward	57 min
Jun 10, 12:04 AM CDT	Severe Thunderstorm Warning	FGF	Benson, Towner	41 min
Jun 10, 12:40 AM CDT	Severe Thunderstorm Warning	BIS	McHenry, Pierce, Sheridan, Wells	65 min
Jun 10, 1:29 AM CDT	Severe Thunderstorm Warning	FGF	Benson, Eddy, Ramsey	46 min
Jun 10, 1:42 AM CDT	Severe Thunderstorm Warning	BIS	Foster, Kidder, Stutsman, Wells	63 min
Jun 10, 2:11 AM CDT	Severe Thunderstorm Warning	FGF	Barnes, Benson, Eddy, Griggs, Nelson, Ramsey and 1 more	49 min
Jun 10, 2:56 AM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Griggs, Nelson, Steele, Traill, Walsh	49 min
Jun 10, 3:44 AM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Traill	46 min
Jun 11, 1:33 AM CDT	Severe Thunderstorm Warning	BIS	Billings, Dunn, Golden Valley, McKenzie, Stark	57 min
Jun 11, 2:27 AM CDT	Severe Thunderstorm Warning	BIS	Billings, Dunn, Stark	63 min
Jun 11, 6:29 AM CDT	Severe Thunderstorm Warning	BIS	Dunn, McKenzie, McLean, Mercer, Mountrail	61 min
Jun 11, 7:41 AM CDT	Severe Thunderstorm Warning	BIS	Burleigh, McHenry, McLean, Mercer, Oliver, Sheridan and 1 more	64 min
Jun 11, 8:09 PM CDT	Severe Thunderstorm Warning	BIS	Golden Valley, Slope	31 min
Jun 12, 1:18 AM CDT	Severe Thunderstorm Warning	FGF	Benson, Towner	57 min
Jun 12, 2:32 PM CDT	Severe Thunderstorm Warning	FGF	Richland	58 min
Jun 13, 4:00 PM CDT	Severe Thunderstorm Warning	BIS	Golden Valley	45 min
Jun 13, 4:42 PM CDT	Severe Thunderstorm Warning	BIS	Billings, Golden Valley	63 min
Jun 16, 8:47 PM CDT	Severe Thunderstorm Warning	BIS	Morton	58 min
Jun 16, 9:08 PM CDT	Severe Thunderstorm Warning	BIS	Morton	52 min
Jun 16, 9:42 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Morton	63 min
Jun 16, 10:33 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Morton	57 min
Jun 17, 12:55 AM CDT	Severe Thunderstorm Warning	BIS	Billings, Golden Valley, Slope	65 min
Jun 17, 1:01 AM CDT	Severe Thunderstorm Warning	BIS	Grant, Morton	59 min
Jun 17, 1:43 AM CDT	Severe Thunderstorm Warning	BIS	Billings, Dunn, Hettinger, Slope, Stark	62 min
Jun 17, 1:58 AM CDT	Severe Thunderstorm Warning	BIS	Grant, Morton	49 min
Jun 17, 2:30 AM CDT	Severe Thunderstorm Warning	BIS	Grant, Hettinger, Morton, Stark	60 min
Jun 17, 3:28 AM CDT	Severe Thunderstorm Warning	BIS	Grant, Morton, Oliver	47 min
Jun 17, 3:58 AM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Emmons, Morton, Oliver	62 min
Jun 17, 4:57 AM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Kidder, Sheridan, Wells	63 min
Jun 17, 5:56 AM CDT	Severe Thunderstorm Warning	FGF	Benson, Eddy, Ramsey	64 min
Jun 17, 6:19 AM CDT	Severe Thunderstorm Warning	BIS	Foster, Stutsman	56 min
Jun 17, 6:32 AM CDT	Severe Thunderstorm Warning	FGF	Barnes, Eddy, Griggs, Nelson	43 min
Jun 17, 6:46 AM CDT	Severe Thunderstorm Warning	FGF	Benson, Nelson, Ramsey, Walsh	59 min
Jun 17, 7:04 AM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Griggs, Nelson, Steele	41 min
Jun 17, 7:33 AM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Nelson, Steele, Traill, Walsh	57 min
Jun 17, 8:15 AM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Pembina, Walsh	60 min
Jun 18, 11:28 PM CDT	Severe Thunderstorm Warning	BIS	Divide, McKenzie, Williams	62 min
Jun 19, 12:29 AM CDT	Severe Thunderstorm Warning	BIS	McKenzie, Mountrail, Williams	61 min
Jun 19, 2:11 AM CDT	Severe Thunderstorm Warning	BIS	McHenry, Renville, Ward	64 min
Jun 19, 2:47 AM CDT	Severe Thunderstorm Warning	BIS	McHenry, Pierce	58 min
Jun 19, 3:23 AM CDT	Severe Thunderstorm Warning	FGF	Benson, Cavalier, Ramsey, Towner	67 min
Jun 19, 4:22 AM CDT	Severe Thunderstorm Warning	FGF	Cavalier, Pembina, Ramsey, Towner, Walsh	38 min
Jun 19, 4:58 AM CDT	Severe Thunderstorm Warning	FGF	Cavalier, Pembina, Ramsey, Walsh	62 min
Jun 21, 6:36 PM CDT	Severe Thunderstorm Warning	BIS	Billings, Stark	54 min
Jun 21, 7:16 PM CDT	Severe Thunderstorm Warning	BIS	Billings, Slope, Stark	59 min
Jun 21, 7:49 PM CDT	Severe Thunderstorm Warning	BIS	Slope	56 min
Jun 21, 8:05 PM CDT	Severe Thunderstorm Warning	BIS	McKenzie, Williams	55 min
Jun 21, 8:10 PM CDT	Severe Thunderstorm Warning	BIS	Hettinger, Slope, Stark	65 min
Jun 21, 8:22 PM CDT	Severe Thunderstorm Warning	BIS	Dunn, Mercer	53 min
Jun 21, 8:31 PM CDT	Severe Thunderstorm Warning	BIS	Williams	20 min
Jun 21, 8:48 PM CDT	Severe Thunderstorm Warning	BIS	Slope	42 min
Jun 21, 8:56 PM CDT	Severe Thunderstorm Warning	BIS	McKenzie, Mountrail	64 min
Jun 21, 9:01 PM CDT	Severe Thunderstorm Warning	BIS	Adams, Grant, Hettinger	59 min
Jun 21, 9:05 PM CDT	Severe Thunderstorm Warning	BIS	McLean, Mercer	55 min
Jun 21, 9:05 PM CDT	Severe Thunderstorm Warning	BIS	McKenzie, Williams	55 min
Jun 21, 10:02 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Sioux	43 min
Jun 21, 10:15 PM CDT	Severe Thunderstorm Warning	BIS	McLean, Mercer, Ward	60 min
Jun 21, 10:40 PM CDT	Severe Thunderstorm Warning	BIS	Dunn, McKenzie, McLean, Mercer, Mountrail, Ward	37 min
Jun 21, 11:16 PM CDT	Severe Thunderstorm Warning	BIS	McLean, Mercer, Oliver	59 min
Jun 21, 11:24 PM CDT	Severe Thunderstorm Warning	BIS	Dickey, LaMoure, Logan, McIntosh	48 min
Jun 22, 12:07 AM CDT	Severe Thunderstorm Warning	BIS	Burleigh, McLean, Mercer, Morton, Oliver	38 min
Jun 22, 12:30 AM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Emmons, Kidder, Morton, Sioux	60 min
Jun 22, 1:32 AM CDT	Severe Thunderstorm Warning	BIS	Emmons, LaMoure, Logan, McIntosh	58 min
Jun 22, 2:27 AM CDT	Severe Thunderstorm Warning	BIS	Dickey	48 min
Jun 24, 9:14 PM CDT	Severe Thunderstorm Warning	BIS	Rolette	61 min
Jun 24, 9:34 PM CDT	Severe Thunderstorm Warning	BIS	Burke, Divide, Dunn, McKenzie, McLean, Mountrail and 1 more	56 min
Jun 24, 10:30 PM CDT	Severe Thunderstorm Warning	BIS	Burke, Divide, Dunn, McKenzie, McLean, Mountrail and 1 more	60 min
Jun 24, 11:18 PM CDT	Severe Thunderstorm Warning	BIS	Bottineau, Burke, McHenry, Mountrail, Renville, Ward	57 min
Jun 24, 11:23 PM CDT	Severe Thunderstorm Warning	BIS	McLean	42 min
Jun 25, 12:12 AM CDT	Severe Thunderstorm Warning	BIS	Bottineau, McHenry, Renville, Ward	63 min
Jun 25, 12:44 AM CDT	Severe Thunderstorm Warning	BIS	Rolette	61 min
Jun 29, 6:57 PM CDT	Severe Thunderstorm Warning	FGF	Barnes, Ransom	48 min
Jul 3, 4:41 PM CDT	Severe Thunderstorm Warning	BIS	Dunn, McLean, Mercer	64 min
Jul 3, 5:09 PM CDT	Severe Thunderstorm Warning	BIS	Dunn, Mercer	66 min
Jul 3, 5:11 PM CDT	Severe Thunderstorm Warning	BIS	McLean, Mountrail	64 min
Jul 3, 5:45 PM CDT	Severe Thunderstorm Warning	BIS	Dunn, McLean, Mercer, Oliver	60 min
Jul 3, 6:44 PM CDT	Severe Thunderstorm Warning	BIS	Burleigh, McLean, Mercer, Morton, Oliver	61 min
Jul 3, 7:19 PM CDT	Severe Thunderstorm Warning	BIS	Renville, Ward	56 min
Jul 3, 8:12 PM CDT	Severe Thunderstorm Warning	BIS	Ward	33 min
Jul 4, 2:44 PM CDT	Severe Thunderstorm Warning	BIS	Bottineau, Rolette	61 min
Jul 4, 2:53 PM CDT	Severe Thunderstorm Warning	BIS	McHenry, Pierce	67 min
Jul 4, 3:31 PM CDT	Severe Thunderstorm Warning	FGF	Benson, Towner	44 min
Jul 4, 4:13 PM CDT	Severe Thunderstorm Warning	FGF	Benson, Ramsey	47 min
Jul 4, 4:59 PM CDT	Severe Thunderstorm Warning	FGF	Benson, Eddy, Nelson, Ramsey, Walsh	61 min
Jul 4, 5:33 PM CDT	Severe Thunderstorm Warning	BIS	Dickey	42 min
Jul 4, 5:51 PM CDT	Severe Thunderstorm Warning	FGF	Eddy, Grand Forks, Griggs, Nelson, Steele	54 min
Jul 4, 6:00 PM CDT	Severe Thunderstorm Warning	BIS	Foster	45 min
Jul 4, 6:38 PM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass, Griggs, Steele, Traill	52 min
Jul 4, 7:17 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Traill	22 min
Jul 4, 7:28 PM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass, Ransom, Richland, Steele	47 min
Jul 4, 8:13 PM CDT	Severe Thunderstorm Warning	FGF	Cass	47 min
Jul 5, 5:48 PM CDT	Severe Thunderstorm Warning	BIS	Bottineau, McHenry, Pierce	45 min
Jul 6, 3:34 PM CDT	Severe Thunderstorm Warning	BIS	Golden Valley	56 min
Jul 6, 4:50 PM CDT	Severe Thunderstorm Warning	BIS	Bowman, Slope	55 min
Jul 6, 5:27 PM CDT	Severe Thunderstorm Warning	BIS	Adams, Bowman, Slope	63 min
Jul 6, 6:39 PM CDT	Severe Thunderstorm Warning	BIS	Adams, Grant, Hettinger, Morton, Sioux, Stark	51 min
Jul 6, 7:26 PM CDT	Severe Thunderstorm Warning	BIS	Adams, Grant, Morton, Sioux	64 min
Jul 6, 8:28 PM CDT	Severe Thunderstorm Warning	BIS	Emmons, Grant, Morton, Sioux	62 min
Jul 7, 4:28 PM CDT	Severe Thunderstorm Warning	BIS	Bottineau	45 min
Jul 9, 7:23 AM CDT	Severe Thunderstorm Warning	BIS	Grant, Morton	37 min
Jul 9, 9:56 AM CDT	Severe Thunderstorm Warning	BIS	Emmons, Logan, McIntosh	64 min
Jul 9, 3:08 PM CDT	Severe Thunderstorm Warning	FGF	Benson, Ramsey	53 min
Jul 9, 3:11 PM CDT	Severe Thunderstorm Warning	FGF	Benson, Ramsey, Towner	64 min
Jul 9, 4:11 PM CDT	Severe Thunderstorm Warning	FGF	Benson, Cavalier, Ramsey, Towner	64 min
Jul 9, 4:42 PM CDT	Severe Thunderstorm Warning	FGF	Nelson, Ramsey, Walsh	48 min
Jul 9, 5:21 PM CDT	Severe Thunderstorm Warning	FGF	Cavalier, Ramsey, Towner, Walsh	39 min
Jul 9, 5:43 PM CDT	Severe Thunderstorm Warning	FGF	Nelson, Ramsey, Walsh	62 min
Jul 9, 6:03 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Nelson, Walsh	42 min
Jul 9, 6:24 PM CDT	Severe Thunderstorm Warning	FGF	Cavalier, Ramsey, Walsh	51 min
Jul 9, 6:46 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Nelson, Steele, Walsh	44 min
Jul 9, 7:30 PM CDT	Severe Thunderstorm Warning	FGF	Cass, Grand Forks, Steele, Traill, Walsh	60 min
Jul 9, 8:06 PM CDT	Severe Thunderstorm Warning	BIS	Adams, Grant, Sioux	54 min
Jul 9, 8:06 PM CDT	Severe Thunderstorm Warning	BIS	Foster, Wells	54 min
Jul 9, 8:09 PM CDT	Severe Thunderstorm Warning	FGF	Benson, Eddy	66 min
Jul 9, 8:31 PM CDT	Severe Thunderstorm Warning	FGF	Cass, Grand Forks, Traill	44 min
Jul 9, 8:47 PM CDT	Severe Thunderstorm Warning	BIS	Wells	43 min
Jul 9, 8:49 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Steele, Traill	41 min
Jul 9, 9:00 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Morton, Sioux	60 min
Jul 9, 9:08 PM CDT	Severe Thunderstorm Warning	FGF	Cass, Traill	52 min
Jul 9, 9:25 PM CDT	Severe Thunderstorm Warning	FGF	Griggs, Steele	50 min
Jul 9, 9:29 PM CDT	Severe Thunderstorm Warning	BIS	Foster, Wells	46 min
Jul 9, 9:30 PM CDT	Severe Thunderstorm Warning	FGF	Cass, Steele, Traill	45 min
Jul 9, 9:44 PM CDT	Severe Thunderstorm Warning	BIS	Foster, Stutsman, Wells	61 min
Jul 9, 9:50 PM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Emmons, Morton, Sioux	40 min
Jul 9, 10:13 PM CDT	Severe Thunderstorm Warning	FGF	Cass, Traill	62 min
Jul 9, 10:45 PM CDT	Severe Thunderstorm Warning	BIS	Stutsman	60 min
Jul 9, 11:09 PM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass	66 min
Jul 9, 11:13 PM CDT	Severe Thunderstorm Warning	FGF	Cass, Richland	62 min
Jul 10, 12:02 AM CDT	Severe Thunderstorm Warning	FGF	Richland	58 min
Jul 10, 12:11 AM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass, Ransom	64 min
Jul 10, 12:46 AM CDT	Severe Thunderstorm Warning	FGF	Ransom, Richland, Sargent	59 min
Jul 10, 1:02 AM CDT	Severe Thunderstorm Warning	BIS	Billings, Dunn, Stark	58 min
Jul 10, 1:41 AM CDT	Severe Thunderstorm Warning	FGF	Richland	42 min
Jul 10, 1:47 AM CDT	Severe Thunderstorm Warning	BIS	Dunn, Mercer, Morton, Oliver, Stark	58 min
Jul 10, 2:45 AM CDT	Severe Thunderstorm Warning	BIS	Burleigh, McLean, Mercer, Oliver, Sheridan	60 min
Jul 10, 3:49 PM CDT	Severe Thunderstorm Warning	BIS	Billings, Dunn, Golden Valley, McKenzie	56 min
Jul 10, 3:58 PM CDT	Severe Thunderstorm Warning	BIS	Bowman, Golden Valley, Slope	62 min
Jul 10, 4:41 PM CDT	Severe Thunderstorm Warning	BIS	Dunn	64 min
Jul 10, 4:55 PM CDT	Severe Thunderstorm Warning	BIS	Billings, Bowman, Golden Valley, Slope	50 min
Jul 10, 5:37 PM CDT	Severe Thunderstorm Warning	BIS	Dunn, McLean, Mercer, Mountrail, Ward	53 min
Jul 10, 5:54 PM CDT	Severe Thunderstorm Warning	BIS	Adams, Billings, Bowman, Golden Valley, Hettinger, Slope and 1 more	51 min
Jul 10, 6:36 PM CDT	Severe Thunderstorm Warning	BIS	Adams, Billings, Dunn, Grant, Hettinger, Mercer and 5 more	54 min
Jul 10, 7:32 PM CDT	Severe Thunderstorm Warning	BIS	Adams, Grant, Hettinger, Morton, Sioux, Stark	58 min
Jul 10, 7:55 PM CDT	Severe Thunderstorm Warning	BIS	McLean, Mercer, Oliver	65 min
Jul 10, 8:28 PM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Emmons, Grant, Morton, Sioux	62 min
Jul 10, 9:34 PM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Emmons, Kidder, Logan, McIntosh, Morton and 1 more	56 min
Jul 10, 10:18 PM CDT	Severe Thunderstorm Warning	BIS	Foster, Sheridan, Wells	57 min
Jul 10, 10:26 PM CDT	Severe Thunderstorm Warning	BIS	Emmons, Kidder, Logan, McIntosh, Stutsman	34 min
Jul 10, 10:43 PM CDT	Severe Thunderstorm Warning	FGF	Benson, Eddy, Ramsey	62 min
Jul 10, 10:59 PM CDT	Severe Thunderstorm Warning	BIS	Dickey, Foster, Kidder, LaMoure, Logan, McIntosh and 1 more	61 min
Jul 10, 11:34 PM CDT	Severe Thunderstorm Warning	FGF	Barnes, Griggs, Nelson, Ransom, Steele	56 min
Jul 10, 11:38 PM CDT	Severe Thunderstorm Warning	BIS	Adams, Bowman	67 min
Jul 11, 12:12 AM CDT	Severe Thunderstorm Warning	BIS	Adams, Hettinger	63 min
Jul 11, 12:13 AM CDT	Severe Thunderstorm Warning	FGF	Cass, Ransom, Richland	47 min
Jul 11, 12:25 AM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Steele, Traill	50 min
Jul 11, 12:27 AM CDT	Severe Thunderstorm Warning	BIS	Emmons, Sioux	63 min
Jul 11, 12:55 AM CDT	Severe Thunderstorm Warning	BIS	Grant, Sioux	65 min
Jul 11, 12:58 AM CDT	Severe Thunderstorm Warning	FGF	Cass, Richland	47 min
Jul 11, 1:04 AM CDT	Severe Thunderstorm Warning	BIS	Grant, Morton	35 min
Jul 11, 1:50 AM CDT	Severe Thunderstorm Warning	BIS	Emmons	55 min
Jul 11, 1:52 AM CDT	Severe Thunderstorm Warning	BIS	Emmons, Morton, Sioux	23 min
Jul 11, 2:41 AM CDT	Severe Thunderstorm Warning	BIS	Emmons, Logan, McIntosh	64 min
Jul 11, 8:53 PM CDT	Severe Thunderstorm Warning	FGF	Cavalier, Pembina	37 min
Jul 14, 6:22 PM CDT	Severe Thunderstorm Warning	BIS	Adams, Bowman	53 min
Jul 14, 6:26 PM CDT	Severe Thunderstorm Warning	BIS	Bowman	64 min
Jul 14, 7:16 PM CDT	Severe Thunderstorm Warning	BIS	Adams, Bowman	33 min
Jul 16, 9:12 AM CDT	Severe Thunderstorm Warning	BIS	Grant, Morton	29 min
Jul 16, 11:21 AM CDT	Severe Thunderstorm Warning	BIS	Burleigh, McLean, Oliver, Sheridan	39 min
Jul 16, 11:59 AM CDT	Severe Thunderstorm Warning	BIS	Burleigh, McLean, Sheridan	61 min
Jul 16, 12:49 PM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Morton, Oliver	41 min
Jul 16, 1:21 PM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Kidder	54 min
Jul 16, 2:02 PM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Kidder, Stutsman	58 min
Jul 16, 2:56 PM CDT	Severe Thunderstorm Warning	BIS	Kidder, Stutsman	49 min
Jul 16, 3:14 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Sioux	61 min
Jul 16, 4:02 PM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Kidder	58 min
Jul 16, 4:15 PM CDT	Severe Thunderstorm Warning	BIS	Emmons, Morton, Sioux	43 min
Jul 16, 4:43 PM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Emmons, Kidder, Logan	62 min
Jul 16, 6:38 PM CDT	Severe Thunderstorm Warning	BIS	LaMoure	29 min
Jul 16, 7:21 PM CDT	Severe Thunderstorm Warning	FGF	Ransom	24 min
Jul 19, 12:41 PM CDT	Severe Thunderstorm Warning	FGF	Benson	64 min
Jul 19, 1:16 PM CDT	Severe Thunderstorm Warning	FGF	Benson, Ramsey	59 min
Jul 19, 3:53 PM CDT	Severe Thunderstorm Warning	FGF	Cavalier, Pembina	67 min
Jul 19, 4:57 PM CDT	Severe Thunderstorm Warning	FGF	Cavalier, Pembina	63 min
Jul 19, 6:12 PM CDT	Severe Thunderstorm Warning	FGF	Pembina, Walsh	63 min
Jul 19, 7:00 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Walsh	60 min
Jul 19, 7:59 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Traill	61 min
Jul 20, 5:12 PM CDT	Severe Thunderstorm Warning	BIS	Mountrail, Renville, Ward	48 min
Jul 20, 5:44 PM CDT	Severe Thunderstorm Warning	BIS	McHenry, Ward	61 min
Jul 20, 6:05 PM CDT	Severe Thunderstorm Warning	BIS	Adams	38 min
Jul 20, 6:42 PM CDT	Severe Thunderstorm Warning	BIS	McHenry, Pierce	63 min
Jul 20, 6:52 PM CDT	Severe Thunderstorm Warning	BIS	Grant	68 min
Jul 20, 7:07 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Hettinger	23 min
Jul 20, 7:12 PM CDT	Severe Thunderstorm Warning	BIS	Rolette	44 min
Jul 20, 7:25 PM CDT	Severe Thunderstorm Warning	BIS	Grant	49 min
Jul 20, 7:40 PM CDT	Severe Thunderstorm Warning	FGF	Cavalier, Towner	50 min
Jul 20, 7:41 PM CDT	Severe Thunderstorm Warning	BIS	McHenry, Pierce	64 min
Jul 20, 7:48 PM CDT	Severe Thunderstorm Warning	BIS	Oliver	42 min
Jul 20, 7:56 PM CDT	Severe Thunderstorm Warning	BIS	McLean, Sheridan	64 min
Jul 20, 7:56 PM CDT	Severe Thunderstorm Warning	FGF	Benson, Ramsey	49 min
Jul 20, 8:25 PM CDT	Severe Thunderstorm Warning	FGF	Cavalier, Pembina	50 min
Jul 20, 8:27 PM CDT	Severe Thunderstorm Warning	BIS	McLean, Mercer, Oliver	48 min
Jul 20, 8:30 PM CDT	Severe Thunderstorm Warning	BIS	Oliver	60 min
Jul 20, 8:39 PM CDT	Severe Thunderstorm Warning	BIS	McHenry, Pierce	43 min
Jul 20, 8:44 PM CDT	Severe Thunderstorm Warning	FGF	Benson, Ramsey	46 min
Jul 20, 9:01 PM CDT	Severe Thunderstorm Warning	FGF	Pembina	59 min
Jul 20, 9:08 PM CDT	Severe Thunderstorm Warning	BIS	Sheridan, Wells	67 min
Jul 20, 9:10 PM CDT	Severe Thunderstorm Warning	FGF	Cavalier, Ramsey, Towner	50 min
Jul 20, 9:11 PM CDT	Severe Thunderstorm Warning	FGF	Benson, Eddy, Griggs, Nelson	64 min
Jul 20, 9:17 PM CDT	Severe Thunderstorm Warning	BIS	Sheridan, Wells	58 min
Jul 20, 9:27 PM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Morton, Oliver	33 min
Jul 20, 9:28 PM CDT	Severe Thunderstorm Warning	FGF	Benson, Nelson, Ramsey	47 min
Jul 20, 9:59 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Nelson, Walsh	46 min
Jul 20, 10:00 PM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Foster, Kidder, Sheridan, Stutsman, Wells	60 min
Jul 20, 10:10 PM CDT	Severe Thunderstorm Warning	FGF	Benson, Eddy, Grand Forks, Griggs, Nelson, Ramsey and 2 more	65 min
Jul 20, 10:42 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Traill	48 min
Jul 20, 10:58 PM CDT	Severe Thunderstorm Warning	BIS	Foster, Stutsman	40 min
Jul 20, 11:00 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks	45 min
Jul 20, 11:07 PM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass, Griggs, Steele, Traill	53 min
Jul 20, 11:13 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Steele, Traill	62 min
Jul 20, 11:36 PM CDT	Severe Thunderstorm Warning	FGF	Cass, Traill	39 min
Jul 21, 12:00 AM CDT	Severe Thunderstorm Warning	FGF	Cass, Steele, Traill	60 min
Jul 21, 12:37 AM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass, Ransom, Richland	53 min
Jul 22, 11:40 AM CDT	Severe Thunderstorm Warning	BIS	Emmons, Logan, McIntosh	65 min
Jul 22, 12:24 PM CDT	Severe Thunderstorm Warning	BIS	Emmons, McIntosh	66 min
Jul 22, 5:32 PM CDT	Severe Thunderstorm Warning	BIS	Emmons, Grant, Morton, Sioux	58 min
Jul 22, 6:03 PM CDT	Severe Thunderstorm Warning	BIS	Bowman, Golden Valley, Slope	57 min
Jul 22, 6:46 PM CDT	Severe Thunderstorm Warning	BIS	Sioux	44 min
Jul 22, 6:59 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Morton	61 min
Jul 22, 7:34 PM CDT	Severe Thunderstorm Warning	BIS	Billings, Golden Valley, Stark	56 min
Jul 22, 9:37 PM CDT	Severe Thunderstorm Warning	BIS	McKenzie, Williams	53 min
Jul 23, 9:00 AM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Kidder	60 min
Jul 26, 1:03 PM CDT	Severe Thunderstorm Warning	BIS	Dickey	33 min
Jul 26, 6:24 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Morton, Sioux	51 min
Jul 26, 7:32 PM CDT	Severe Thunderstorm Warning	BIS	Emmons, Sioux	58 min
Jul 26, 9:38 PM CDT	Severe Thunderstorm Warning	FGF	Cass	33 min
Jul 30, 3:06 PM CDT	Severe Thunderstorm Warning	BIS	Sheridan, Wells	39 min
Jul 31, 4:45 PM CDT	Severe Thunderstorm Warning	BIS	Bowman	45 min
Jul 31, 5:30 PM CDT	Severe Thunderstorm Warning	BIS	McKenzie, Mountrail	60 min
Jul 31, 6:21 PM CDT	Severe Thunderstorm Warning	BIS	Mountrail	54 min
Jul 31, 6:36 PM CDT	Severe Thunderstorm Warning	BIS	Billings, Dunn	24 min
Jul 31, 6:44 PM CDT	Severe Thunderstorm Warning	BIS	McKenzie, McLean, Mountrail	31 min
Jul 31, 6:53 PM CDT	Severe Thunderstorm Warning	BIS	Dunn, McLean, Mountrail	52 min
Jul 31, 7:11 PM CDT	Severe Thunderstorm Warning	BIS	McLean, Mountrail, Ward	64 min
Jul 31, 7:54 PM CDT	Severe Thunderstorm Warning	BIS	Mountrail, Ward	66 min
Jul 31, 8:19 PM CDT	Severe Thunderstorm Warning	BIS	McKenzie, Mountrail	42 min
Aug 1, 3:00 PM CDT	Severe Thunderstorm Warning	BIS	Kidder, Stutsman	45 min
Aug 1, 3:30 PM CDT	Severe Thunderstorm Warning	BIS	Foster, Kidder, Wells	60 min
Aug 1, 3:45 PM CDT	Severe Thunderstorm Warning	FGF	Benson, Eddy	60 min
Aug 1, 3:46 PM CDT	Severe Thunderstorm Warning	BIS	Foster, Kidder, Stutsman, Wells	44 min
Aug 1, 4:21 PM CDT	Severe Thunderstorm Warning	BIS	Emmons	54 min
Aug 1, 4:23 PM CDT	Severe Thunderstorm Warning	BIS	Foster, Kidder, Stutsman, Wells	67 min
Aug 1, 4:43 PM CDT	Severe Thunderstorm Warning	FGF	Ramsey	47 min
Aug 1, 5:21 PM CDT	Severe Thunderstorm Warning	FGF	Nelson, Ramsey, Walsh	54 min
Aug 1, 5:27 PM CDT	Severe Thunderstorm Warning	BIS	Kidder, Logan, Stutsman	63 min
Aug 1, 6:26 PM CDT	Severe Thunderstorm Warning	BIS	LaMoure, Stutsman	39 min
Aug 1, 6:32 PM CDT	Severe Thunderstorm Warning	FGF	Barnes, Ransom	58 min
Aug 1, 7:22 PM CDT	Severe Thunderstorm Warning	BIS	LaMoure	57 min
Aug 1, 7:30 PM CDT	Severe Thunderstorm Warning	BIS	Dickey	60 min
Aug 1, 7:58 PM CDT	Severe Thunderstorm Warning	BIS	Dickey	62 min
Aug 3, 3:54 PM CDT	Severe Thunderstorm Warning	BIS	Bottineau, Rolette	66 min
Aug 3, 3:58 PM CDT	Severe Thunderstorm Warning	BIS	Pierce, Rolette	62 min
Aug 3, 4:23 PM CDT	Severe Thunderstorm Warning	BIS	Rolette	67 min
Aug 3, 4:30 PM CDT	Severe Thunderstorm Warning	FGF	Benson, Towner	60 min
Aug 3, 5:00 PM CDT	Severe Thunderstorm Warning	BIS	Pierce, Rolette	60 min
Aug 3, 5:17 PM CDT	Severe Thunderstorm Warning	FGF	Cavalier, Towner	58 min
Aug 3, 5:58 PM CDT	Severe Thunderstorm Warning	BIS	Pierce, Rolette	45 min
Aug 3, 6:48 PM CDT	Severe Thunderstorm Warning	FGF	Benson, Cavalier, Ramsey, Towner	42 min
Aug 3, 7:15 PM CDT	Severe Thunderstorm Warning	FGF	Cavalier, Pembina, Ramsey, Walsh	60 min
Aug 3, 7:29 PM CDT	Severe Thunderstorm Warning	FGF	Benson, Cavalier, Ramsey, Towner, Walsh	46 min
Aug 3, 7:38 PM CDT	Severe Thunderstorm Warning	FGF	Benson, Ramsey	52 min
Aug 3, 7:55 PM CDT	Severe Thunderstorm Warning	FGF	Pembina, Walsh	65 min
Aug 3, 8:14 PM CDT	Severe Thunderstorm Warning	FGF	Ramsey	61 min
Aug 3, 9:48 PM CDT	Severe Thunderstorm Warning	BIS	McIntosh	57 min
Aug 3, 9:54 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Griggs, Nelson, Steele	20 min
Aug 3, 9:58 PM CDT	Severe Thunderstorm Warning	BIS	LaMoure, Logan	62 min
Aug 3, 10:12 PM CDT	Severe Thunderstorm Warning	FGF	Griggs, Steele	48 min
Aug 3, 10:29 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks	61 min
Aug 3, 11:52 PM CDT	Severe Thunderstorm Warning	FGF	Ransom, Richland, Sargent	38 min
Aug 4, 12:20 AM CDT	Severe Thunderstorm Warning	FGF	Cass	40 min
Aug 8, 9:34 PM CDT	Severe Thunderstorm Warning	FGF	Nelson, Ramsey	27 min
Aug 9, 7:36 PM CDT	Severe Thunderstorm Warning	BIS	Bowman, Slope	54 min
Aug 9, 8:46 PM CDT	Severe Thunderstorm Warning	BIS	Adams, Bowman	59 min
Aug 9, 9:39 PM CDT	Severe Thunderstorm Warning	BIS	Adams, Grant, Hettinger, Sioux	66 min
Aug 9, 10:02 PM CDT	Severe Thunderstorm Warning	BIS	Emmons, Kidder, Logan	58 min
Aug 9, 10:40 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Sioux	49 min
Aug 9, 10:40 PM CDT	Severe Thunderstorm Warning	BIS	Kidder, Stutsman	35 min
Aug 9, 11:43 PM CDT	Severe Thunderstorm Warning	BIS	Emmons, McIntosh	62 min
Aug 9, 11:43 PM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Emmons, Grant, Kidder, Logan, Morton and 1 more	62 min
Aug 10, 12:42 AM CDT	Severe Thunderstorm Warning	BIS	Dickey, Emmons, Kidder, LaMoure, Logan, McIntosh and 1 more	63 min
Aug 10, 1:37 AM CDT	Severe Thunderstorm Warning	BIS	Dickey	53 min
Aug 10, 2:11 AM CDT	Severe Thunderstorm Warning	FGF	Richland, Sargent	64 min
Aug 10, 3:09 AM CDT	Severe Thunderstorm Warning	FGF	Ransom, Richland	66 min
Aug 10, 4:13 AM CDT	Severe Thunderstorm Warning	BIS	Billings, Golden Valley	62 min
Aug 10, 10:44 AM CDT	Severe Thunderstorm Warning	BIS	Dickey, LaMoure, McIntosh	46 min
Aug 10, 11:30 AM CDT	Severe Thunderstorm Warning	BIS	Dickey, LaMoure	60 min
Aug 10, 11:40 AM CDT	Severe Thunderstorm Warning	BIS	Dickey, LaMoure	65 min
Aug 10, 11:41 AM CDT	Severe Thunderstorm Warning	FGF	Ransom, Sargent	64 min
Aug 10, 12:30 PM CDT	Severe Thunderstorm Warning	BIS	Dickey, LaMoure	60 min
Aug 10, 12:47 PM CDT	Severe Thunderstorm Warning	FGF	Ransom, Richland	58 min
Aug 10, 1:23 PM CDT	Severe Thunderstorm Warning	FGF	Richland	67 min
Aug 10, 4:38 PM CDT	Severe Thunderstorm Warning	BIS	Dunn, McKenzie	67 min
Aug 10, 5:43 PM CDT	Severe Thunderstorm Warning	BIS	Billings, Dunn, McKenzie	62 min
Aug 10, 5:45 PM CDT	Severe Thunderstorm Warning	BIS	Dunn, McKenzie	60 min
Aug 10, 6:42 PM CDT	Severe Thunderstorm Warning	BIS	Dunn, Stark	63 min
Aug 10, 6:45 PM CDT	Severe Thunderstorm Warning	BIS	Dunn, McKenzie, McLean, Mountrail	60 min
Aug 10, 7:31 PM CDT	Severe Thunderstorm Warning	BIS	Dunn, McLean, Mercer	59 min
Aug 10, 7:39 PM CDT	Severe Thunderstorm Warning	BIS	Dunn, Mercer, Morton, Stark	66 min
Aug 10, 8:22 PM CDT	Severe Thunderstorm Warning	BIS	Mercer, Morton, Oliver	53 min
Aug 10, 9:15 PM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Morton, Oliver	45 min
Aug 10, 9:35 PM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Emmons, Morton, Oliver	55 min
Aug 15, 2:21 PM CDT	Severe Thunderstorm Warning	BIS	Mountrail	35 min
Aug 15, 3:57 PM CDT	Severe Thunderstorm Warning	BIS	McLean, Ward	63 min
Aug 16, 3:21 PM CDT	Severe Thunderstorm Warning	FGF	Richland	24 min
Aug 17, 9:11 PM CDT	Severe Thunderstorm Warning	BIS	Burke, Renville, Ward	64 min
Aug 18, 6:57 AM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass, Griggs, Ransom, Steele, Traill	63 min
Aug 18, 7:00 AM CDT	Severe Thunderstorm Warning	BIS	Dickey, LaMoure, Stutsman	60 min
Aug 18, 7:52 AM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass, Ransom, Richland, Sargent	53 min
Aug 18, 7:57 AM CDT	Severe Thunderstorm Warning	BIS	Dickey, LaMoure	52 min
Aug 18, 9:04 AM CDT	Severe Thunderstorm Warning	FGF	Richland, Sargent	26 min
Aug 22, 11:23 PM CDT	Severe Thunderstorm Warning	BIS	Foster	41 min
Aug 22, 11:31 PM CDT	Severe Thunderstorm Warning	FGF	Eddy, Griggs, Nelson	59 min
Aug 23, 12:53 AM CDT	Severe Thunderstorm Warning	FGF	Steele	24 min
Aug 23, 1:44 AM CDT	Severe Thunderstorm Warning	FGF	Steele, Traill	46 min
Aug 23, 2:09 AM CDT	Severe Thunderstorm Warning	FGF	Grand Forks	36 min
Aug 23, 3:08 AM CDT	Severe Thunderstorm Warning	FGF	Grand Forks	52 min
Aug 27, 12:59 PM CDT	Severe Thunderstorm Warning	FGF	Richland	61 min
Aug 27, 1:12 PM CDT	Severe Thunderstorm Warning	FGF	Cass	63 min
Aug 27, 3:22 PM CDT	Severe Thunderstorm Warning	FGF	Pembina, Walsh	38 min
Aug 27, 3:30 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks	60 min
Aug 27, 3:49 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks	41 min
Aug 27, 3:52 PM CDT	Severe Thunderstorm Warning	FGF	Walsh	38 min
Aug 27, 4:25 PM CDT	Severe Thunderstorm Warning	FGF	Walsh	50 min
Aug 27, 4:54 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Traill	51 min
Aug 27, 5:41 PM CDT	Severe Thunderstorm Warning	FGF	Traill	49 min
Aug 27, 6:26 PM CDT	Severe Thunderstorm Warning	FGF	Cass, Traill	64 min
Aug 27, 7:26 PM CDT	Severe Thunderstorm Warning	FGF	Cass	64 min
Aug 28, 11:47 PM CDT	Severe Thunderstorm Warning	FGF	Cavalier, Pembina	58 min
Aug 31, 4:42 AM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Kidder	63 min
Aug 31, 4:47 AM CDT	Severe Thunderstorm Warning	BIS	McIntosh	58 min
Aug 31, 5:30 AM CDT	Severe Thunderstorm Warning	BIS	Emmons, McIntosh	60 min
Aug 31, 5:49 AM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Emmons, Kidder	56 min
Aug 31, 6:41 AM CDT	Severe Thunderstorm Warning	BIS	Emmons, Logan, McIntosh	64 min
Aug 31, 6:45 AM CDT	Severe Thunderstorm Warning	BIS	McIntosh	17 min
Sep 2, 9:52 PM CDT	Severe Thunderstorm Warning	BIS	Billings, Golden Valley, McKenzie, Williams	53 min
Sep 2, 11:33 PM CDT	Severe Thunderstorm Warning	BIS	Divide, Williams	42 min
Sep 4, 4:53 AM CDT	Severe Thunderstorm Warning	BIS	Pierce, Wells	26 min
Sep 4, 4:57 AM CDT	Severe Thunderstorm Warning	FGF	Benson, Towner	63 min
Sep 4, 5:32 AM CDT	Severe Thunderstorm Warning	FGF	Cavalier, Ramsey	58 min
Sep 4, 5:38 AM CDT	Severe Thunderstorm Warning	FGF	Benson, Ramsey	67 min
Sep 4, 6:29 AM CDT	Severe Thunderstorm Warning	FGF	Cavalier, Pembina, Ramsey	38 min
Sep 4, 7:13 AM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Morton, Oliver	62 min
Sep 4, 8:39 AM CDT	Severe Thunderstorm Warning	BIS	Foster, Stutsman	66 min
Sep 7, 12:44 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Morton	61 min
Sep 7, 2:27 PM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Kidder	63 min
Sep 7, 2:54 PM CDT	Severe Thunderstorm Warning	FGF	Ransom, Sargent	66 min
Sep 7, 3:16 PM CDT	Severe Thunderstorm Warning	BIS	Kidder, Stutsman	59 min
Sep 7, 3:35 PM CDT	Severe Thunderstorm Warning	FGF	Richland	55 min
Sep 7, 3:57 PM CDT	Severe Thunderstorm Warning	FGF	Cass, Richland	43 min
Oct 3, 6:29 AM CDT	Severe Thunderstorm Warning	FGF	Benson	31 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 2015 2017

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.