Alert archive / Colorado / Mesoscale Discussions
Mesoscale Discussions in Colorado, 2019
140 mesoscale discussions in 2019. 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 2019. Tap one for its archive.
- Mesoscale Discussions
- 140
- Busiest month
- June33 mesoscale discussions
- Busiest day
- July 5, 20195 mesoscale discussions
Over time
By month
The alerts
Every alert, in the order issued. Times are local, Mountain Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 23, 4:42 AM MST | Mesoscale Discussion | SPC | Baca, Bent, Kiowa, Prowers | 6 hr |
| Mar 2, 6:44 PM MST | Mesoscale Discussion | SPC | Adams, Arapahoe, Bent, Cheyenne, Crowley, Denver and 10 more | 4 hr |
| Mar 13, 10:27 AM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 11 more | 3 hr |
| Mar 13, 1:37 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 11 more | 4 hr |
| Mar 13, 5:26 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Denver, Elbert, Logan, Morgan and 4 more | 6 hr |
| Mar 29, 1:51 PM MDT | Mesoscale Discussion | SPC | Crowley, Custer, Douglas, El Paso, Fremont, Huerfano and 5 more | 114 min |
| Apr 26, 1:02 PM MDT | Mesoscale Discussion | SPC | Moffat | 2 hr |
| Apr 26, 2:34 PM MDT | Mesoscale Discussion | SPC | Bent, Las Animas, Otero, Prowers | 2 hr |
| Apr 28, 1:11 PM MDT | Mesoscale Discussion | SPC | Baca, Bent, Cheyenne, Kiowa, Kit Carson, Lincoln and 6 more | 2 hr |
| Apr 28, 2:43 PM MDT | Mesoscale Discussion | SPC | Prowers | 92 min |
| May 1, 4:38 PM MDT | Mesoscale Discussion | SPC | Baca, Bent, Otero, Prowers | 67 min |
| May 4, 2:31 PM MDT | Mesoscale Discussion | SPC | Baca, Prowers | 119 min |
| May 6, 12:50 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Broomfield, Denver, Elbert, Weld | 115 min |
| May 6, 1:15 PM MDT | Mesoscale Discussion | SPC | Baca, Bent, Cheyenne, Crowley, El Paso, Kiowa and 5 more | 2 hr |
| May 6, 4:48 PM MDT | Mesoscale Discussion | SPC | Baca, Bent, Crowley, Elbert, Kiowa, Otero and 1 more | 87 min |
| May 7, 12:29 PM MDT | Mesoscale Discussion | SPC | Arapahoe, Broomfield, Denver, Douglas | 2 hr |
| May 7, 1:49 PM MDT | Mesoscale Discussion | SPC | Las Animas | 116 min |
| May 17, 12:14 PM MDT | Mesoscale Discussion | SPC | Logan, Weld | 2 hr |
| May 17, 4:07 PM MDT | Mesoscale Discussion | SPC | Logan, Morgan, Phillips, Sedgwick, Washington, Weld | 113 min |
| May 17, 4:45 PM MDT | Mesoscale Discussion | SPC | Yuma | 2 hr |
| May 20, 1:15 PM MDT | Mesoscale Discussion | SPC | Baca, Huerfano, Las Animas, Otero | 90 min |
| May 23, 6:35 AM MDT | Mesoscale Discussion | SPC | Baca, Prowers | 85 min |
| May 25, 1:46 PM MDT | Mesoscale Discussion | SPC | Baca | 2 hr |
| May 25, 5:49 PM MDT | Mesoscale Discussion | SPC | Baca, Cheyenne, Prowers | 116 min |
| May 26, 11:19 AM MDT | Mesoscale Discussion | SPC | Baca, Bent, Cheyenne, Kiowa, Kit Carson, Prowers | 116 min |
| May 26, 2:07 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Boulder, Broomfield, Denver, Larimer and 2 more | 113 min |
| May 26, 2:43 PM MDT | Mesoscale Discussion | SPC | Baca, Bent, Cheyenne, Crowley, Kiowa, Kit Carson and 6 more | 92 min |
| May 26, 5:04 PM MDT | Mesoscale Discussion | SPC | Baca, Bent, Prowers | 86 min |
| May 26, 7:50 PM MDT | Mesoscale Discussion | SPC | Prowers | 55 min |
| May 27, 12:36 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Logan, Morgan, Phillips, Sedgwick and 3 more | 2 hr |
| May 27, 2:43 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Denver, Logan, Morgan, Washington and 1 more | 2 hr |
| May 27, 7:47 PM MDT | Mesoscale Discussion | SPC | Phillips | 118 min |
| May 28, 2:23 PM MDT | Mesoscale Discussion | SPC | Cheyenne, Kit Carson, Lincoln | 3 hr |
| May 30, 12:40 PM MDT | Mesoscale Discussion | SPC | Baca, Las Animas | 3 hr |
| Jun 1, 5:20 PM MDT | Mesoscale Discussion | SPC | Bent, Crowley, Lincoln, Otero, Pueblo | 55 min |
| Jun 2, 10:57 AM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Costilla and 17 more | 2 hr |
| Jun 2, 2:26 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Bent, Boulder, Broomfield, Crowley and 13 more | 2 hr |
| Jun 2, 5:24 PM MDT | Mesoscale Discussion | SPC | Cheyenne, Kiowa, Kit Carson, Lincoln, Logan, Morgan and 5 more | 66 min |
| Jun 2, 8:20 PM MDT | Mesoscale Discussion | SPC | Sedgwick | 85 min |
| Jun 3, 1:31 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Baca, Bent, Cheyenne, Crowley and 13 more | 119 min |
| Jun 4, 12:59 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Bent, Crowley, Elbert, Kiowa and 9 more | 2 hr |
| Jun 7, 12:37 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Boulder, Broomfield, Costilla, Crowley and 16 more | 2 hr |
| Jun 8, 1:18 PM MDT | Mesoscale Discussion | SPC | Adams, Kit Carson, Phillips, Sedgwick, Washington, Yuma | 87 min |
| Jun 8, 3:44 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Broomfield, Denver, Douglas, Elbert and 6 more | 61 min |
| Jun 8, 4:51 PM MDT | Mesoscale Discussion | SPC | Cheyenne, Kit Carson, Yuma | 54 min |
| Jun 8, 6:19 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Denver, Douglas, Elbert, Lincoln and 3 more | 86 min |
| Jun 8, 8:09 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Denver, Douglas, Elbert, Lincoln and 3 more | 96 min |
| Jun 8, 10:08 PM MDT | Mesoscale Discussion | SPC | Cheyenne, Kit Carson | 97 min |
| Jun 13, 5:58 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Baca, Bent, Cheyenne, Crowley and 9 more | 92 min |
| Jun 14, 12:44 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Baca, Bent, Boulder, Broomfield and 20 more | 3 hr |
| Jun 14, 4:51 PM MDT | Mesoscale Discussion | SPC | Baca, Cheyenne, Prowers | 114 min |
| Jun 15, 12:50 PM MDT | Mesoscale Discussion | SPC | Baca, Bent, Cheyenne, Crowley, Kiowa, Las Animas and 3 more | 2 hr |
| Jun 16, 1:38 PM MDT | Mesoscale Discussion | SPC | Logan, Phillips, Sedgwick, Weld | 2 hr |
| Jun 17, 12:04 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Boulder, Broomfield, Crowley, Denver and 15 more | 86 min |
| Jun 17, 1:20 PM MDT | Mesoscale Discussion | SPC | Baca, Bent, Cheyenne, Costilla, Crowley, Custer and 13 more | 85 min |
| Jun 17, 4:30 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Bent, Cheyenne, Crowley, Elbert and 13 more | 90 min |
| Jun 18, 1:22 PM MDT | Mesoscale Discussion | SPC | Baca, Bent, Crowley, Custer, El Paso, Fremont and 7 more | 83 min |
| Jun 18, 6:12 PM MDT | Mesoscale Discussion | SPC | Baca | 63 min |
| Jun 20, 2:51 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Baca, Bent, Boulder, Broomfield and 20 more | 114 min |
| Jun 21, 11:56 AM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Broomfield, Denver, Douglas, Elbert and 2 more | 94 min |
| Jun 21, 4:20 PM MDT | Mesoscale Discussion | SPC | Cheyenne, Douglas, Elbert, El Paso, Kiowa, Kit Carson and 1 more | 85 min |
| Jun 21, 8:40 PM MDT | Mesoscale Discussion | SPC | Cheyenne, Crowley, Kiowa, Kit Carson, Lincoln | 95 min |
| Jun 22, 2:11 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Bent, Crowley, Douglas, Elbert and 5 more | 2 hr |
| Jun 22, 4:08 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Bent, Crowley, Douglas, Elbert and 5 more | 67 min |
| Jun 22, 9:01 PM MDT | Mesoscale Discussion | SPC | Baca, Cheyenne, Kiowa, Prowers | 89 min |
| Jun 23, 12:41 PM MDT | Mesoscale Discussion | SPC | Adams, Cheyenne, Kiowa, Kit Carson, Morgan, Washington and 1 more | 2 hr |
| Jun 26, 2:36 PM MDT | Mesoscale Discussion | SPC | Logan, Morgan, Phillips, Sedgwick, Washington, Yuma | 2 hr |
| Jul 1, 3:46 PM MDT | Mesoscale Discussion | SPC | Baca, Kiowa, Prowers | 119 min |
| Jul 4, 2:10 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Boulder, Broomfield, Cheyenne, Denver and 13 more | 2 hr |
| Jul 4, 5:40 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Boulder, Broomfield, Cheyenne, Denver and 14 more | 95 min |
| Jul 4, 7:54 PM MDT | Mesoscale Discussion | SPC | Sedgwick | 2 hr |
| Jul 4, 8:44 PM MDT | Mesoscale Discussion | SPC | Kit Carson, Logan, Morgan, Phillips, Sedgwick, Washington and 2 more | 76 min |
| Jul 5, 12:43 AM MDT | Mesoscale Discussion | SPC | Logan, Phillips, Sedgwick, Washington, Yuma | 2 hr |
| Jul 5, 1:18 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Bent, Boulder, Broomfield, Cheyenne and 21 more | 117 min |
| Jul 5, 1:49 PM MDT | Mesoscale Discussion | SPC | Baca, Bent, Kiowa, Prowers | 116 min |
| Jul 5, 6:01 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Baca, Bent, Boulder, Broomfield and 20 more | 89 min |
| Jul 5, 9:18 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Broomfield, Crowley, Denver, Douglas and 9 more | 57 min |
| Jul 6, 12:25 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 6 more | 95 min |
| Jul 6, 4:55 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 9 more | 95 min |
| Jul 6, 8:06 PM MDT | Mesoscale Discussion | SPC | Adams, Larimer, Logan, Morgan, Washington, Weld | 84 min |
| Jul 7, 2:14 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Boulder, Broomfield, Denver, Larimer and 4 more | 3 hr |
| Jul 8, 1:26 PM MDT | Mesoscale Discussion | SPC | Kit Carson, Phillips, Washington, Yuma | 3 hr |
| Jul 8, 5:50 PM MDT | Mesoscale Discussion | SPC | Cheyenne, Kit Carson, Logan, Phillips, Sedgwick, Washington and 1 more | 115 min |
| Jul 12, 2:26 PM MDT | Mesoscale Discussion | SPC | Larimer, Logan, Morgan, Weld | 94 min |
| Jul 12, 6:15 PM MDT | Mesoscale Discussion | SPC | Logan, Phillips, Sedgwick | 2 hr |
| Jul 20, 12:53 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 11 more | 3 hr |
| Jul 20, 5:43 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Baca, Bent, Boulder, Broomfield and 19 more | 92 min |
| Jul 20, 7:14 PM MDT | Mesoscale Discussion | SPC | Cheyenne | 61 min |
| Jul 21, 4:37 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Bent, Boulder, Broomfield, Crowley and 18 more | 83 min |
| Jul 22, 2:05 PM MDT | Mesoscale Discussion | SPC | Boulder, Broomfield, Clear Creek, Denver, Douglas, Gilpin and 7 more | 2 hr |
| Jul 22, 5:38 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Broomfield, Crowley, Denver, Douglas and 9 more | 67 min |
| Jul 26, 1:30 PM MDT | Mesoscale Discussion | SPC | Logan, Phillips, Sedgwick | 3 hr |
| Jul 27, 1:50 PM MDT | Mesoscale Discussion | SPC | Boulder, Jackson, Larimer, Logan, Sedgwick, Weld | 2 hr |
| Jul 29, 1:52 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Cheyenne, Crowley, Douglas, Elbert and 10 more | 113 min |
| Aug 1, 1:25 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Cheyenne, Denver, Douglas, Elbert and 8 more | 95 min |
| Aug 1, 4:37 PM MDT | Mesoscale Discussion | SPC | Elbert, Lincoln, Logan, Morgan, Phillips, Sedgwick and 1 more | 83 min |
| Aug 8, 12:41 PM MDT | Mesoscale Discussion | SPC | Phillips, Sedgwick | 94 min |
| Aug 10, 5:32 PM MDT | Mesoscale Discussion | SPC | Phillips, Sedgwick, Yuma | 118 min |
| Aug 11, 12:54 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Elbert, Logan, Morgan, Phillips and 4 more | 2 hr |
| Aug 11, 2:20 PM MDT | Mesoscale Discussion | SPC | Kit Carson, Yuma | 85 min |
| Aug 11, 4:51 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Broomfield, Denver, Elbert, El Paso and 5 more | 114 min |
| Aug 11, 5:05 PM MDT | Mesoscale Discussion | SPC | Cheyenne, Kit Carson, Phillips, Sedgwick, Yuma | 115 min |
| Aug 11, 6:13 PM MDT | Mesoscale Discussion | SPC | Lincoln, Logan, Washington | 2 hr |
| Aug 13, 11:32 AM MDT | Mesoscale Discussion | SPC | Logan, Phillips, Sedgwick, Washington, Yuma | 118 min |
| Aug 13, 2:04 PM MDT | Mesoscale Discussion | SPC | Cheyenne, Kit Carson, Lincoln, Phillips, Sedgwick, Yuma | 86 min |
| Aug 14, 1:54 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Cheyenne, Elbert, El Paso, Kit Carson and 8 more | 2 hr |
| Aug 14, 5:58 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Cheyenne, Elbert, Kit Carson, Lincoln and 5 more | 92 min |
| Aug 14, 8:31 PM MDT | Mesoscale Discussion | SPC | Cheyenne, Kiowa, Prowers | 29 min |
| Aug 16, 1:40 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Bent, Broomfield, Cheyenne, Crowley and 16 more | 65 min |
| Aug 16, 5:27 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Cheyenne, Elbert, Kiowa, Kit Carson and 8 more | 2 hr |
| Aug 16, 7:43 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Bent, Cheyenne, Crowley, Elbert and 11 more | 2 hr |
| Aug 17, 1:34 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Cheyenne, Elbert, Kit Carson, Lincoln and 7 more | 116 min |
| Aug 17, 5:28 PM MDT | Mesoscale Discussion | SPC | Cheyenne, Kit Carson, Washington, Yuma | 2 hr |
| Aug 19, 3:37 PM MDT | Mesoscale Discussion | SPC | Cheyenne, Kit Carson, Prowers, Yuma | 2 hr |
| Aug 20, 6:00 PM MDT | Mesoscale Discussion | SPC | Morgan, Weld | 90 min |
| Aug 20, 9:05 PM MDT | Mesoscale Discussion | SPC | Morgan, Weld | 85 min |
| Aug 20, 10:34 PM MDT | Mesoscale Discussion | SPC | Logan, Phillips, Sedgwick | 56 min |
| Aug 21, 12:51 PM MDT | Mesoscale Discussion | SPC | Arapahoe, Boulder, Broomfield, Clear Creek, Custer, Denver and 13 more | 114 min |
| Aug 21, 4:39 PM MDT | Mesoscale Discussion | SPC | Boulder, Broomfield, Denver, Douglas, El Paso, Jefferson and 2 more | 96 min |
| Aug 22, 2:11 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Broomfield, Denver, Elbert, Logan and 3 more | 94 min |
| Aug 23, 1:55 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Baca, Bent, Cheyenne, Crowley and 16 more | 110 min |
| Aug 23, 4:28 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Baca, Bent, Cheyenne, Crowley and 10 more | 2 hr |
| Aug 23, 8:08 PM MDT | Mesoscale Discussion | SPC | Cheyenne, Kiowa, Kit Carson, Lincoln, Prowers | 2 hr |
| Aug 24, 4:01 PM MDT | Mesoscale Discussion | SPC | Baca | 89 min |
| Aug 30, 2:13 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Broomfield, Crowley, Denver, Douglas and 11 more | 3 hr |
| Sep 8, 2:40 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Broomfield, Cheyenne, Crowley, Denver and 10 more | 95 min |
| Sep 8, 6:39 PM MDT | Mesoscale Discussion | SPC | Elbert, Morgan, Washington | 81 min |
| Sep 10, 1:38 PM MDT | Mesoscale Discussion | SPC | Baca, Prowers | 2 hr |
| Sep 11, 11:28 AM MDT | Mesoscale Discussion | SPC | Larimer, Weld | 2 hr |
| Sep 11, 1:28 PM MDT | Mesoscale Discussion | SPC | Kit Carson, Logan, Phillips, Sedgwick, Washington, Yuma | 92 min |
| Sep 11, 2:34 PM MDT | Mesoscale Discussion | SPC | Baca, Bent, Cheyenne, Kiowa, Prowers | 116 min |
| Sep 11, 7:14 PM MDT | Mesoscale Discussion | SPC | Logan, Morgan, Phillips, Sedgwick | 2 hr |
| Sep 19, 1:48 PM MDT | Mesoscale Discussion | SPC | Baca, Cheyenne, Prowers | 2 hr |
| Oct 9, 10:07 PM MDT | Mesoscale Discussion | SPC | Larimer, Weld | 6 hr |
| Oct 23, 7:56 PM MDT | Mesoscale Discussion | SPC | Bent, Crowley, Elbert, El Paso, Las Animas, Lincoln and 2 more | 6 hr |
| Oct 28, 5:17 AM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Douglas, Elbert, El Paso, Morgan and 2 more | 3 hr |
| Nov 25, 7:42 PM MST | Mesoscale Discussion | SPC | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 4 more | 6 hr |
| Nov 26, 1:34 AM MST | Mesoscale Discussion | SPC | Kit Carson, Logan, Morgan, Phillips, Sedgwick, Washington and 1 more | 5 hr |
| Nov 26, 9:58 AM MST | Mesoscale Discussion | SPC | Kit Carson, Phillips, Sedgwick, Washington, Yuma | 6 hr |
| Dec 27, 9:36 AM MST | Mesoscale Discussion | SPC | Baca, Bent, Cheyenne, Crowley, Huerfano, Kiowa and 6 more | 4 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Washington County60
- Morgan County58
- Adams County56
- Lincoln County56
- Arapahoe County55
- Weld County54
- Elbert County53
- Logan County51
- Cheyenne County49
- Kit Carson County48
- Yuma County43
- Prowers County41
- Denver County41
- Douglas County40
- El Paso County40
- Phillips County40
- Kiowa County38
- Sedgwick County38
- Crowley County37
- Baca County35
- Bent County35
- Otero County34
- Broomfield County34
- Las Animas County28
- Pueblo County27
- Jefferson County27
- Larimer County26
- Boulder County24
- Teller County17
- Gilpin County15
- Huerfano County12
- Custer County7
- Fremont County7
- Clear Creek County6
- Costilla County3
- Grand County3
- Park County3
- Jackson County2
- Moffat County1
- Lake County1
1 more counties
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20182020
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.