Alert archive / North Dakota / Mesoscale Discussions
Mesoscale Discussions in North Dakota, 2009
90 mesoscale discussions in 2009. 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 mesoscale discussions reaches back to 2003.
Mesoscale Discussions by county
Each county as a circle sized by its count in 2009. Tap one for its archive.
- Mesoscale Discussions
- 90
- Busiest month
- June22 mesoscale discussions
- Busiest day
- June 27, 20094 mesoscale discussions
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 |
|---|---|---|---|---|
| Jan 3, 6:29 AM CST | Mesoscale Discussion | SPC | Barnes, Cass, Grand Forks, Ransom, Richland, Steele and 1 more | 4 hr |
| Jan 3, 12:34 PM CST | Mesoscale Discussion | SPC | Richland | 6 hr |
| Jan 8, 12:55 PM CST | Mesoscale Discussion | SPC | Dunn, Grant, Hettinger, McKenzie, Morton, Sioux and 1 more | 5 hr |
| Jan 12, 5:34 AM CST | Mesoscale Discussion | SPC | Adams, Barnes, Billings, Bowman, Burleigh, Cass and 29 more | 4 hr |
| Jan 13, 11:50 AM CST | Mesoscale Discussion | SPC | Barnes, Benson, Bottineau, Burke, Burleigh, Dickey and 20 more | 6 hr |
| Feb 9, 12:12 AM CST | Mesoscale Discussion | SPC | Bottineau, Burke, Cavalier, Grand Forks, McHenry, Mountrail and 8 more | 3 hr |
| Feb 9, 5:52 PM CST | Mesoscale Discussion | SPC | Adams, Billings, Burke, Dunn, Grant, Hettinger and 11 more | 4 hr |
| Feb 25, 10:20 PM CST | Mesoscale Discussion | SPC | Adams, Barnes, Burleigh, Cass, Dickey, Emmons and 12 more | 6 hr |
| Feb 26, 6:33 AM CST | Mesoscale Discussion | SPC | Dickey, Richland, Sargent | 5 hr |
| Mar 10, 9:53 AM CDT | Mesoscale Discussion | SPC | Cass, Ransom, Richland | 4 hr |
| Mar 22, 5:10 PM CDT | Mesoscale Discussion | SPC | Billings, Bowman, Golden Valley, Slope | 65 min |
| Mar 23, 12:06 PM CDT | Mesoscale Discussion | SPC | Adams, Bowman, Hettinger, Slope | 5 hr |
| Mar 23, 6:56 PM CDT | Mesoscale Discussion | SPC | Adams, Benson, Billings, Bowman, Burleigh, Dunn and 23 more | 3 hr |
| Mar 24, 8:36 PM CDT | Mesoscale Discussion | SPC | Barnes, Cass, Grand Forks, Griggs, Nelson, Pembina and 5 more | 4 hr |
| Mar 29, 10:05 PM CDT | Mesoscale Discussion | SPC | Adams, Bowman, Burleigh, Dickey, Emmons, Grant and 11 more | 6 hr |
| Mar 30, 6:36 AM CDT | Mesoscale Discussion | SPC | Adams, Emmons, Grant, Hettinger, Logan, McIntosh and 3 more | 4 hr |
| Mar 30, 3:20 PM CDT | Mesoscale Discussion | SPC | Dickey, Emmons, LaMoure, Logan, McIntosh, Sargent | 6 hr |
| Mar 30, 7:59 PM CDT | Mesoscale Discussion | SPC | Dickey, Sargent | 4 hr |
| Mar 31, 1:22 AM CDT | Mesoscale Discussion | SPC | Richland, Sargent | 4 hr |
| Mar 31, 7:02 AM CDT | Mesoscale Discussion | SPC | Richland | 4 hr |
| May 11, 3:27 PM CDT | Mesoscale Discussion | SPC | Barnes, Burleigh, Cass, Dickey, Eddy, Foster and 10 more | 63 min |
| May 12, 3:19 PM CDT | Mesoscale Discussion | SPC | Adams, Billings, Bottineau, Bowman, Burleigh, Dunn and 20 more | 56 min |
| May 12, 5:54 PM CDT | Mesoscale Discussion | SPC | Burleigh, Emmons, Grant, Morton, Sioux | 96 min |
| May 12, 8:42 PM CDT | Mesoscale Discussion | SPC | Barnes, Benson, Cass, Cavalier, Dickey, Eddy and 14 more | 93 min |
| May 29, 2:07 PM CDT | Mesoscale Discussion | SPC | Barnes, Benson, Cass, Cavalier, Eddy, Foster and 12 more | 83 min |
| May 29, 6:15 PM CDT | Mesoscale Discussion | SPC | Emmons, Sioux | 60 min |
| Jun 13, 2:15 PM CDT | Mesoscale Discussion | SPC | Richland | 60 min |
| Jun 14, 7:17 PM CDT | Mesoscale Discussion | SPC | Bowman | 118 min |
| Jun 16, 1:23 PM CDT | Mesoscale Discussion | SPC | Emmons, Grant, Hettinger, Mercer, Morton, Oliver and 1 more | 97 min |
| Jun 16, 3:26 PM CDT | Mesoscale Discussion | SPC | Dickey, Emmons, Grant, LaMoure, Logan, McIntosh and 2 more | 64 min |
| Jun 16, 5:39 PM CDT | Mesoscale Discussion | SPC | Dickey, Emmons, Grant, LaMoure, Logan, McIntosh and 2 more | 96 min |
| Jun 18, 12:52 PM CDT | Mesoscale Discussion | SPC | Barnes, Cass, Dickey, LaMoure, McIntosh, Ransom and 2 more | 83 min |
| Jun 21, 1:57 PM CDT | Mesoscale Discussion | SPC | Adams, Billings, Bowman, Burke, Divide, Dunn and 9 more | 93 min |
| Jun 21, 5:43 PM CDT | Mesoscale Discussion | SPC | Adams, Dunn, Grant, Hettinger, Mercer | 92 min |
| Jun 22, 1:29 PM CDT | Mesoscale Discussion | SPC | Billings, Burleigh, Dunn, Golden Valley, McHenry, McKenzie and 9 more | 2 hr |
| Jun 22, 6:28 PM CDT | Mesoscale Discussion | SPC | Bottineau, Burleigh, Dunn, Emmons, Grant, Hettinger and 14 more | 92 min |
| Jun 23, 10:35 AM CDT | Mesoscale Discussion | SPC | Grand Forks, Griggs, Nelson, Steele, Traill | 115 min |
| Jun 24, 1:46 PM CDT | Mesoscale Discussion | SPC | Adams, Billings, Bowman, Divide, Dunn, Golden Valley and 6 more | 119 min |
| Jun 24, 7:21 PM CDT | Mesoscale Discussion | SPC | Adams, Dunn, Grant, Hettinger, Stark | 84 min |
| Jun 25, 4:49 PM CDT | Mesoscale Discussion | SPC | Bowman | 56 min |
| Jun 26, 2:13 PM CDT | Mesoscale Discussion | SPC | Adams, Benson, Burleigh, Cavalier, Eddy, Emmons and 20 more | 62 min |
| Jun 26, 5:45 PM CDT | Mesoscale Discussion | SPC | Benson, Cavalier, Nelson, Pembina, Ramsey, Walsh | 90 min |
| Jun 26, 9:19 PM CDT | Mesoscale Discussion | SPC | Barnes, Cass, Dickey, Eddy, Foster, Grand Forks and 12 more | 56 min |
| Jun 27, 12:37 PM CDT | Mesoscale Discussion | SPC | Adams, Barnes, Bowman, Burleigh, Cass, Dickey and 17 more | 53 min |
| Jun 27, 3:16 PM CDT | Mesoscale Discussion | SPC | Adams, Barnes, Benson, Burleigh, Cass, Dickey and 30 more | 59 min |
| Jun 27, 5:02 PM CDT | Mesoscale Discussion | SPC | Barnes, Benson, Burleigh, Cass, Dickey, Eddy and 25 more | 58 min |
| Jun 27, 7:16 PM CDT | Mesoscale Discussion | SPC | Barnes, Cass, Dickey, Foster, Grand Forks, Griggs and 11 more | 59 min |
| Jun 30, 3:52 PM CDT | Mesoscale Discussion | SPC | Billings, Bowman, Golden Valley, Slope | 83 min |
| Jun 30, 7:22 PM CDT | Mesoscale Discussion | SPC | Adams, Billings, Bowman, Divide, Dunn, Golden Valley and 5 more | 113 min |
| Jul 2, 12:25 PM CDT | Mesoscale Discussion | SPC | Bowman, Slope | 65 min |
| Jul 5, 4:48 PM CDT | Mesoscale Discussion | SPC | Billings, Dunn, Golden Valley, McKenzie, Stark | 57 min |
| Jul 6, 11:30 PM CDT | Mesoscale Discussion | SPC | Billings, Divide, Dunn, Golden Valley, Hettinger, McKenzie and 3 more | 60 min |
| Jul 7, 10:14 AM CDT | Mesoscale Discussion | SPC | Dickey, LaMoure, Logan, McIntosh, Sargent | 91 min |
| Jul 8, 11:38 AM CDT | Mesoscale Discussion | SPC | Billings, Golden Valley, McKenzie, Williams | 97 min |
| Jul 8, 2:02 PM CDT | Mesoscale Discussion | SPC | Adams, Billings, Bowman, Dunn, Golden Valley, Hettinger and 5 more | 88 min |
| Jul 8, 6:46 PM CDT | Mesoscale Discussion | SPC | Adams, Billings, Bowman, Dunn, Golden Valley, Grant and 14 more | 89 min |
| Jul 8, 9:42 PM CDT | Mesoscale Discussion | SPC | Adams, Billings, Bowman, Dunn, Golden Valley, Grant and 14 more | 93 min |
| Jul 8, 11:27 PM CDT | Mesoscale Discussion | SPC | Barnes, Benson, Burleigh, Cass, Dickey, Eddy and 28 more | 93 min |
| Jul 9, 3:07 AM CDT | Mesoscale Discussion | SPC | Barnes, Benson, Burleigh, Cass, Dickey, Eddy and 23 more | 83 min |
| Jul 11, 8:01 PM CDT | Mesoscale Discussion | SPC | Billings, Burke, Divide, Dunn, McKenzie, McLean and 6 more | 59 min |
| Jul 12, 2:30 AM CDT | Mesoscale Discussion | SPC | Dickey, Emmons, Logan, McIntosh | 60 min |
| Jul 13, 10:38 AM CDT | Mesoscale Discussion | SPC | Adams, Grant, Sioux | 97 min |
| Jul 13, 6:05 PM CDT | Mesoscale Discussion | SPC | Bowman, Golden Valley, Slope | 55 min |
| Jul 14, 2:56 PM CDT | Mesoscale Discussion | SPC | Benson, Burleigh, Eddy, Foster, Kidder, Logan and 7 more | 94 min |
| Jul 19, 3:22 PM CDT | Mesoscale Discussion | SPC | Adams, Billings, Bowman, Dunn, Golden Valley, Hettinger and 2 more | 113 min |
| Jul 19, 11:02 PM CDT | Mesoscale Discussion | SPC | Burleigh, Emmons, Kidder, Morton, Sheridan, Sioux | 58 min |
| Jul 20, 1:07 PM CDT | Mesoscale Discussion | SPC | Cass, Ransom, Richland, Sargent | 83 min |
| Jul 23, 3:39 PM CDT | Mesoscale Discussion | SPC | Benson, Burleigh, Cavalier, Eddy, Foster, Grand Forks and 12 more | 2 hr |
| Jul 23, 9:29 PM CDT | Mesoscale Discussion | SPC | Cass, Ransom, Richland, Traill | 61 min |
| Jul 26, 7:01 PM CDT | Mesoscale Discussion | SPC | Barnes, Cass, LaMoure, Steele, Traill | 89 min |
| Aug 2, 2:35 PM CDT | Mesoscale Discussion | SPC | Adams, Barnes, Burleigh, Cass, Dickey, Eddy and 21 more | 115 min |
| Aug 7, 11:37 AM CDT | Mesoscale Discussion | SPC | Benson, Cavalier, Eddy, Foster, Grand Forks, Griggs and 8 more | 83 min |
| Aug 7, 12:50 PM CDT | Mesoscale Discussion | SPC | Bowman, Slope | 115 min |
| Aug 8, 2:17 PM CDT | Mesoscale Discussion | SPC | Dickey, LaMoure, McIntosh, Ransom, Richland, Sargent | 58 min |
| Aug 14, 12:33 AM CDT | Mesoscale Discussion | SPC | Benson, Billings, Bottineau, Dunn, Golden Valley, McHenry and 12 more | 87 min |
| Aug 14, 10:25 AM CDT | Mesoscale Discussion | SPC | Benson, Cavalier, Eddy, Grand Forks, Nelson, Pembina and 5 more | 95 min |
| Aug 14, 3:42 PM CDT | Mesoscale Discussion | SPC | Barnes, Cass, Dickey, LaMoure, Ransom, Richland and 2 more | 93 min |
| Aug 14, 8:37 PM CDT | Mesoscale Discussion | SPC | Barnes, Cass, Griggs, Ransom, Richland, Sargent and 2 more | 53 min |
| Aug 14, 11:47 PM CDT | Mesoscale Discussion | SPC | Billings, Divide, Golden Valley, McKenzie, Slope, Williams | 58 min |
| Aug 19, 12:16 PM CDT | Mesoscale Discussion | SPC | Adams, Billings, Bowman, Burke, Burleigh, Dunn and 14 more | 119 min |
| Aug 23, 8:02 PM CDT | Mesoscale Discussion | SPC | Billings, Bowman, Burke, Divide, Dunn, Golden Valley and 10 more | 88 min |
| Aug 23, 11:12 PM CDT | Mesoscale Discussion | SPC | Burke, Divide, McKenzie, Mountrail, Renville, Ward and 1 more | 93 min |
| Aug 24, 1:27 AM CDT | Mesoscale Discussion | SPC | Bottineau, Burke, Divide, McHenry, McKenzie, McLean and 6 more | 33 min |
| Aug 24, 4:32 AM CDT | Mesoscale Discussion | SPC | Bottineau, McHenry, Pierce, Renville, Rolette | 58 min |
| Aug 27, 5:10 PM CDT | Mesoscale Discussion | SPC | Barnes, Benson, Burleigh, Cass, Dickey, Eddy and 17 more | 95 min |
| Sep 8, 1:44 AM CDT | Mesoscale Discussion | SPC | Adams, Dunn, Grant, Hettinger, McHenry, McLean and 6 more | 91 min |
| Sep 8, 7:10 PM CDT | Mesoscale Discussion | SPC | Barnes, Cass, Dickey, LaMoure, Ransom, Richland and 1 more | 2 hr |
| Sep 10, 4:53 PM CDT | Mesoscale Discussion | SPC | Adams, Benson, Bottineau, Burleigh, Eddy, Emmons and 17 more | 97 min |
| Sep 10, 10:28 PM CDT | Mesoscale Discussion | SPC | Benson, Burleigh, Emmons, Grant, Kidder, Morton and 6 more | 92 min |
| Sep 10, 11:45 PM CDT | Mesoscale Discussion | SPC | Benson, Burleigh, Emmons, Grant, Kidder, Morton and 6 more | 90 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Grant County31
- Morton County31
- Richland County29
- Hettinger County29
- Sioux County29
- Emmons County27
- Dickey County26
- Ransom County25
- Adams County25
- Burleigh County25
- Sargent County25
- Cass County24
- Kidder County24
- LaMoure County24
- Logan County24
- McIntosh County24
- Dunn County23
- Stark County23
- Oliver County23
- Slope County23
- Barnes County22
- Billings County22
- Bowman County22
- Mercer County21
- Steele County20
- McKenzie County20
- Foster County20
- Sheridan County20
- Stutsman County20
- Traill County19
- Eddy County19
- Golden Valley County19
- Griggs County19
- McLean County19
- Benson County19
- Pierce County19
- Wells County18
- Nelson County18
- McHenry County17
- Ward County17
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20082010
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.