Alert archive / Colorado / Mesoscale Discussions
Mesoscale Discussions in Colorado, 2009
156 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
- 156
- Busiest month
- July52 mesoscale discussions
- Busiest day
- June 14, 20096 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 |
|---|---|---|---|---|
| Mar 21, 5:23 PM MDT | Mesoscale Discussion | SPC | Logan, Morgan, Phillips, Sedgwick, Washington, Yuma | 97 min |
| Mar 26, 6:55 AM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 7 more | 3 hr |
| Mar 26, 10:35 AM MDT | Mesoscale Discussion | SPC | Arapahoe, Boulder, Broomfield, Chaffee, Clear Creek, Custer and 14 more | 5 hr |
| Mar 26, 5:32 PM MDT | Mesoscale Discussion | SPC | Alamosa, Baca, Bent, Costilla, Crowley, Custer and 8 more | 4 hr |
| Mar 26, 10:34 PM MDT | Mesoscale Discussion | SPC | Baca, Bent, Costilla, Crowley, Huerfano, Las Animas and 3 more | 4 hr |
| Mar 27, 1:55 AM MDT | Mesoscale Discussion | SPC | Alamosa, Archuleta, Baca, Bent, Cheyenne, Conejos and 15 more | 4 hr |
| Apr 4, 10:25 AM MDT | Mesoscale Discussion | SPC | Phillips, Sedgwick | 3 hr |
| Apr 15, 3:41 PM MDT | Mesoscale Discussion | SPC | Baca, Bent, Cheyenne, Kiowa, Kit Carson, Prowers and 2 more | 94 min |
| Apr 16, 1:10 PM MDT | Mesoscale Discussion | SPC | Arapahoe, Baca, Bent, Cheyenne, Crowley, Elbert and 7 more | 95 min |
| Apr 16, 5:01 PM MDT | Mesoscale Discussion | SPC | Baca, Bent, Cheyenne, Crowley, Elbert, Kiowa and 7 more | 59 min |
| Apr 17, 1:17 AM MDT | Mesoscale Discussion | SPC | Boulder, Broomfield, Denver, Douglas, Gilpin, Jefferson and 1 more | 4 hr |
| Apr 17, 11:49 AM MDT | Mesoscale Discussion | SPC | Cheyenne, Crowley, Kiowa, Prowers | 86 min |
| Apr 17, 2:24 PM MDT | Mesoscale Discussion | SPC | Prowers | 96 min |
| Apr 17, 4:19 PM MDT | Mesoscale Discussion | SPC | Kiowa, Lincoln | 56 min |
| Apr 17, 6:53 PM MDT | Mesoscale Discussion | SPC | Kiowa, Lincoln | 67 min |
| Apr 17, 8:33 PM MDT | Mesoscale Discussion | SPC | Prowers | 27 min |
| Apr 28, 4:45 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Cheyenne, Crowley, Elbert, Kiowa and 4 more | 3 hr |
| Apr 29, 1:59 PM MDT | Mesoscale Discussion | SPC | Prowers | 91 min |
| Apr 29, 4:17 PM MDT | Mesoscale Discussion | SPC | Baca, Kiowa, Prowers | 88 min |
| Apr 30, 12:04 AM MDT | Mesoscale Discussion | SPC | Kit Carson, Yuma | 86 min |
| May 20, 2:01 PM MDT | Mesoscale Discussion | SPC | Logan, Sedgwick | 89 min |
| May 21, 2:11 PM MDT | Mesoscale Discussion | SPC | Costilla, Huerfano, Las Animas | 64 min |
| May 24, 6:31 PM MDT | Mesoscale Discussion | SPC | Logan, Sedgwick | 119 min |
| May 30, 4:18 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Broomfield, Cheyenne, Denver, Douglas and 9 more | 87 min |
| Jun 2, 12:35 PM MDT | Mesoscale Discussion | SPC | Prowers | 55 min |
| Jun 4, 12:41 PM MDT | Mesoscale Discussion | SPC | Baca, Bent, Crowley, El Paso, Kiowa, Las Animas and 3 more | 64 min |
| Jun 4, 5:16 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Baca, Bent, Boulder, Broomfield and 22 more | 89 min |
| Jun 5, 2:18 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Kit Carson, Logan, Morgan, Phillips and 3 more | 87 min |
| Jun 5, 5:37 PM MDT | Mesoscale Discussion | SPC | Kit Carson, Logan, Morgan, Phillips, Sedgwick, Washington and 2 more | 83 min |
| Jun 7, 12:35 AM MDT | Mesoscale Discussion | SPC | Logan, Phillips, Sedgwick | 55 min |
| Jun 7, 10:44 AM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Boulder, Broomfield, Denver, Gilpin and 4 more | 61 min |
| Jun 7, 2:30 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Broomfield, Denver, Douglas, Elbert and 9 more | 60 min |
| Jun 8, 2:03 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 8 more | 87 min |
| Jun 10, 6:16 PM MDT | Mesoscale Discussion | SPC | Sedgwick | 59 min |
| Jun 11, 11:34 AM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Boulder, Broomfield, Crowley, Denver and 11 more | 86 min |
| Jun 11, 5:48 PM MDT | Mesoscale Discussion | SPC | Arapahoe, Baca, Bent, Crowley, Elbert, El Paso and 4 more | 57 min |
| Jun 11, 8:00 PM MDT | Mesoscale Discussion | SPC | Bent, Kiowa, Prowers | 60 min |
| Jun 12, 1:44 PM MDT | Mesoscale Discussion | SPC | Bent, Crowley, Douglas, Elbert, El Paso, Kiowa and 4 more | 61 min |
| Jun 12, 6:56 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Baca, Bent, Cheyenne, Crowley and 18 more | 64 min |
| Jun 13, 12:41 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Broomfield, Denver, Douglas, Elbert and 4 more | 64 min |
| Jun 13, 2:19 PM MDT | Mesoscale Discussion | SPC | Baca, Las Animas, Otero | 86 min |
| Jun 13, 6:42 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Broomfield, Denver, Douglas, Elbert and 10 more | 63 min |
| Jun 13, 6:46 PM MDT | Mesoscale Discussion | SPC | Baca, Bent, Kiowa, Prowers | 59 min |
| Jun 14, 1:51 AM MDT | Mesoscale Discussion | SPC | Baca, Prowers | 84 min |
| Jun 14, 12:05 PM MDT | Mesoscale Discussion | SPC | Baca, Bent, Cheyenne, Crowley, Kiowa, Otero and 2 more | 85 min |
| Jun 14, 1:06 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Broomfield, Denver, Douglas, Elbert and 4 more | 54 min |
| Jun 14, 4:48 PM MDT | Mesoscale Discussion | SPC | Bent, Cheyenne, Crowley, Kiowa, Kit Carson, Lincoln and 5 more | 117 min |
| Jun 15, 2:15 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Broomfield, Denver, Elbert, Larimer and 2 more | 30 min |
| Jun 17, 1:29 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Denver, Douglas, Elbert, Kit Carson and 4 more | 61 min |
| Jun 17, 4:43 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 11 more | 92 min |
| Jun 17, 9:34 PM MDT | Mesoscale Discussion | SPC | Logan, Phillips, Sedgwick | 56 min |
| Jun 18, 12:46 AM MDT | Mesoscale Discussion | SPC | Logan, Sedgwick | 89 min |
| Jun 18, 10:12 PM MDT | Mesoscale Discussion | SPC | Logan, Phillips, Sedgwick, Yuma | 93 min |
| Jun 21, 1:28 PM MDT | Mesoscale Discussion | SPC | Delta, Eagle, Garfield, Mesa, Moffat, Montrose and 3 more | 92 min |
| Jun 23, 1:39 PM MDT | Mesoscale Discussion | SPC | Phillips, Sedgwick, Yuma | 111 min |
| Jun 23, 2:18 PM MDT | Mesoscale Discussion | SPC | Logan, Weld | 87 min |
| Jun 23, 6:13 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Elbert, Logan, Morgan, Washington and 1 more | 62 min |
| Jun 25, 1:06 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 13 more | 54 min |
| Jun 25, 4:22 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Broomfield, Denver, Douglas, Elbert and 5 more | 53 min |
| Jun 25, 5:50 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Broomfield, Denver, Douglas, Elbert and 5 more | 55 min |
| Jun 26, 2:23 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Denver, Douglas, Elbert, Lincoln and 7 more | 67 min |
| Jun 26, 3:35 PM MDT | Mesoscale Discussion | SPC | Logan, Sedgwick | 85 min |
| Jun 26, 6:14 PM MDT | Mesoscale Discussion | SPC | Phillips, Sedgwick, Yuma | 91 min |
| Jun 28, 2:27 PM MDT | Mesoscale Discussion | SPC | Arapahoe, Crowley, Custer, Denver, Douglas, Elbert and 7 more | 63 min |
| Jul 1, 12:33 PM MDT | Mesoscale Discussion | SPC | Weld | 117 min |
| Jul 1, 4:29 PM MDT | Mesoscale Discussion | SPC | Logan, Phillips, Sedgwick | 61 min |
| Jul 1, 9:19 PM MDT | Mesoscale Discussion | SPC | Logan, Morgan, Phillips, Sedgwick, Washington, Weld and 1 more | 56 min |
| Jul 2, 12:07 AM MDT | Mesoscale Discussion | SPC | Yuma | 53 min |
| Jul 2, 6:29 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Logan, Morgan, Phillips, Sedgwick and 2 more | 61 min |
| Jul 3, 12:48 PM MDT | Mesoscale Discussion | SPC | Baca, Prowers | 87 min |
| Jul 3, 5:25 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Denver, Elbert, Lincoln, Logan and 6 more | 65 min |
| Jul 3, 8:43 PM MDT | Mesoscale Discussion | SPC | Cheyenne, Kiowa, Kit Carson, Lincoln, Logan, Morgan and 5 more | 32 min |
| Jul 4, 1:52 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Boulder, Broomfield, Crowley, Denver and 12 more | 113 min |
| Jul 5, 1:23 PM MDT | Mesoscale Discussion | SPC | Alamosa, Bent, Costilla, Crowley, Custer, El Paso and 6 more | 97 min |
| Jul 5, 6:15 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Bent, Cheyenne, Crowley, Elbert and 14 more | 60 min |
| Jul 6, 12:22 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Baca, Bent, Broomfield, Costilla and 15 more | 113 min |
| Jul 6, 1:40 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 15 more | 95 min |
| Jul 6, 4:19 PM MDT | Mesoscale Discussion | SPC | Alamosa, Baca, Bent, Conejos, Costilla, Crowley and 6 more | 56 min |
| Jul 6, 5:35 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 8 more | 55 min |
| Jul 6, 7:07 PM MDT | Mesoscale Discussion | SPC | Baca, Cheyenne, Elbert, El Paso, Kiowa, Kit Carson and 7 more | 23 min |
| Jul 7, 4:47 PM MDT | Mesoscale Discussion | SPC | Kit Carson, Phillips, Sedgwick, Yuma | 58 min |
| Jul 10, 2:32 PM MDT | Mesoscale Discussion | SPC | Baca, Bent, Cheyenne, Crowley, Kiowa, Kit Carson and 4 more | 88 min |
| Jul 10, 5:20 PM MDT | Mesoscale Discussion | SPC | Logan, Sedgwick | 85 min |
| Jul 11, 12:28 AM MDT | Mesoscale Discussion | SPC | Cheyenne, Kit Carson, Logan, Phillips, Sedgwick, Yuma | 62 min |
| Jul 11, 3:35 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Broomfield, Cheyenne, Denver, Douglas and 10 more | 55 min |
| Jul 11, 7:46 PM MDT | Mesoscale Discussion | SPC | Cheyenne, Kit Carson, Lincoln, Logan, Morgan, Washington and 2 more | 59 min |
| Jul 11, 9:25 PM MDT | Mesoscale Discussion | SPC | Cheyenne | 65 min |
| Jul 12, 2:05 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Crowley and 17 more | 85 min |
| Jul 13, 12:07 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 6 more | 83 min |
| Jul 13, 6:32 PM MDT | Mesoscale Discussion | SPC | Sedgwick | 58 min |
| Jul 15, 1:35 PM MDT | Mesoscale Discussion | SPC | Baca, Bent, Costilla, Crowley, Custer, El Paso and 5 more | 85 min |
| Jul 17, 12:06 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Cheyenne, Elbert, Kit Carson, Lincoln and 5 more | 84 min |
| Jul 17, 1:21 PM MDT | Mesoscale Discussion | SPC | Baca, Prowers | 54 min |
| Jul 17, 6:32 PM MDT | Mesoscale Discussion | SPC | Baca, Bent, Cheyenne, Crowley, Kiowa, Kit Carson and 9 more | 58 min |
| Jul 18, 2:12 AM MDT | Mesoscale Discussion | SPC | Cheyenne, Kit Carson, Lincoln, Logan, Morgan, Phillips and 3 more | 93 min |
| Jul 18, 1:14 PM MDT | Mesoscale Discussion | SPC | Huerfano, Las Animas, Otero | 2 hr |
| Jul 19, 1:08 PM MDT | Mesoscale Discussion | SPC | Bent, Crowley, Las Animas, Otero | 2 hr |
| Jul 19, 5:34 PM MDT | Mesoscale Discussion | SPC | Baca | 56 min |
| Jul 20, 2:07 PM MDT | Mesoscale Discussion | SPC | Sedgwick | 53 min |
| Jul 20, 5:01 PM MDT | Mesoscale Discussion | SPC | Phillips, Sedgwick | 89 min |
| Jul 20, 10:56 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Broomfield, Denver, Elbert | 94 min |
| Jul 21, 2:44 PM MDT | Mesoscale Discussion | SPC | Adams, Alamosa, Arapahoe, Boulder, Broomfield, Costilla and 13 more | 61 min |
| Jul 21, 4:59 PM MDT | Mesoscale Discussion | SPC | Baca, Bent, Crowley, Kiowa, Las Animas, Lincoln and 3 more | 91 min |
| Jul 22, 1:16 PM MDT | Mesoscale Discussion | SPC | Boulder, Broomfield, Clear Creek, Denver, Douglas, Gilpin and 13 more | 89 min |
| Jul 22, 5:47 PM MDT | Mesoscale Discussion | SPC | Cheyenne, Kit Carson, Lincoln, Logan, Morgan, Phillips and 4 more | 88 min |
| Jul 23, 1:25 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Bent, Cheyenne, Crowley, Elbert and 11 more | 65 min |
| Jul 23, 6:41 PM MDT | Mesoscale Discussion | SPC | Cheyenne, Kiowa, Kit Carson, Prowers, Yuma | 64 min |
| Jul 24, 2:03 PM MDT | Mesoscale Discussion | SPC | Logan, Phillips, Sedgwick | 87 min |
| Jul 24, 7:52 PM MDT | Mesoscale Discussion | SPC | Sedgwick | 53 min |
| Jul 25, 2:33 PM MDT | Mesoscale Discussion | SPC | Alamosa, Conejos, Costilla, Custer, El Paso, Fremont and 5 more | 87 min |
| Jul 28, 12:26 PM MDT | Mesoscale Discussion | SPC | Las Animas | 94 min |
| Jul 29, 12:31 PM MDT | Mesoscale Discussion | SPC | Baca, Bent, Crowley, Huerfano, Kiowa, Las Animas and 3 more | 119 min |
| Jul 29, 2:08 PM MDT | Mesoscale Discussion | SPC | Baca, Prowers | 2 hr |
| Jul 29, 5:32 PM MDT | Mesoscale Discussion | SPC | Baca, Bent, Crowley, Kiowa, Las Animas, Otero and 2 more | 118 min |
| Jul 29, 7:42 PM MDT | Mesoscale Discussion | SPC | Baca, Bent, Crowley, Kiowa, Las Animas, Otero and 1 more | 2 hr |
| Jul 31, 1:28 PM MDT | Mesoscale Discussion | SPC | Baca, Bent, Cheyenne, Crowley, El Paso, Huerfano and 7 more | 2 hr |
| Jul 31, 6:08 PM MDT | Mesoscale Discussion | SPC | Baca, Prowers | 2 hr |
| Aug 2, 2:05 PM MDT | Mesoscale Discussion | SPC | Baca | 2 hr |
| Aug 3, 6:46 PM MDT | Mesoscale Discussion | SPC | Phillips, Sedgwick | 119 min |
| Aug 4, 2:54 PM MDT | Mesoscale Discussion | SPC | Logan, Morgan, Weld | 96 min |
| Aug 5, 3:51 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Cheyenne, Crowley, Denver, Elbert and 11 more | 84 min |
| Aug 5, 7:26 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Bent, Cheyenne, Crowley, Denver and 15 more | 64 min |
| Aug 5, 10:09 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Elbert, El Paso, Lincoln, Morgan and 2 more | 66 min |
| Aug 6, 5:28 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Cheyenne, Elbert, Kit Carson, Lincoln and 5 more | 92 min |
| Aug 7, 5:37 PM MDT | Mesoscale Discussion | SPC | Adams, Logan, Morgan, Phillips, Sedgwick, Washington and 1 more | 113 min |
| Aug 8, 3:34 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Kit Carson, Logan, Morgan, Phillips and 4 more | 86 min |
| Aug 8, 9:41 PM MDT | Mesoscale Discussion | SPC | Logan, Weld | 94 min |
| Aug 10, 1:29 AM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Cheyenne, Elbert, Kit Carson, Lincoln and 6 more | 61 min |
| Aug 10, 5:02 AM MDT | Mesoscale Discussion | SPC | Cheyenne, Kit Carson, Lincoln, Washington, Yuma | 118 min |
| Aug 10, 1:07 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Broomfield, Denver, Larimer, Logan and 6 more | 83 min |
| Aug 10, 4:38 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Cheyenne, Elbert, El Paso, Kit Carson and 7 more | 67 min |
| Aug 10, 7:14 PM MDT | Mesoscale Discussion | SPC | Cheyenne, Elbert, El Paso, Kit Carson, Lincoln, Logan and 3 more | 91 min |
| Aug 11, 3:01 AM MDT | Mesoscale Discussion | SPC | Baca | 2 hr |
| Aug 12, 1:22 PM MDT | Mesoscale Discussion | SPC | Phillips, Sedgwick | 83 min |
| Aug 14, 1:32 PM MDT | Mesoscale Discussion | SPC | Phillips, Sedgwick, Yuma | 58 min |
| Aug 15, 1:07 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 10 more | 53 min |
| Aug 15, 4:10 PM MDT | Mesoscale Discussion | SPC | Kit Carson, Phillips, Sedgwick, Washington, Yuma | 65 min |
| Aug 16, 6:12 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Bent, Cheyenne, Crowley, Denver and 16 more | 93 min |
| Aug 17, 12:52 AM MDT | Mesoscale Discussion | SPC | Cheyenne, Kit Carson | 83 min |
| Aug 17, 3:51 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Cheyenne, Denver, Douglas, Elbert and 4 more | 84 min |
| Aug 18, 11:41 AM MDT | Mesoscale Discussion | SPC | Adams, Alamosa, Arapahoe, Boulder, Broomfield, Clear Creek and 18 more | 2 hr |
| Aug 18, 3:46 PM MDT | Mesoscale Discussion | SPC | Baca, Bent, Cheyenne, Kiowa, Kit Carson, Prowers | 59 min |
| Aug 18, 7:41 PM MDT | Mesoscale Discussion | SPC | Baca, Cheyenne, Kiowa, Kit Carson, Prowers, Yuma | 64 min |
| Aug 24, 4:48 PM MDT | Mesoscale Discussion | SPC | Bent, Cheyenne, Crowley, Kiowa, Kit Carson, Lincoln and 1 more | 87 min |
| Aug 25, 2:31 PM MDT | Mesoscale Discussion | SPC | Arapahoe, Baca, Bent, Cheyenne, Crowley, Denver and 11 more | 89 min |
| Aug 29, 2:55 PM MDT | Mesoscale Discussion | SPC | Crowley, Denver, Douglas, El Paso, Huerfano, Jefferson and 3 more | 2 hr |
| Aug 30, 2:26 PM MDT | Mesoscale Discussion | SPC | Crowley, Huerfano, Las Animas, Otero, Pueblo | 3 hr |
| Sep 3, 2:43 PM MDT | Mesoscale Discussion | SPC | Baca, Bent, Kiowa, Prowers | 2 hr |
| Sep 8, 6:10 PM MDT | Mesoscale Discussion | SPC | Phillips, Sedgwick, Washington, Yuma | 2 hr |
| Sep 15, 12:46 PM MDT | Mesoscale Discussion | SPC | Delta, Dolores, Garfield, Mesa, Montrose, Ouray and 3 more | 89 min |
| Oct 9, 10:20 PM MDT | Mesoscale Discussion | SPC | Adams, Logan, Morgan, Phillips, Sedgwick, Washington and 2 more | 4 hr |
| Oct 28, 12:13 PM MDT | Mesoscale Discussion | SPC | Weld | 6 hr |
| Oct 28, 9:56 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Larimer, Logan, Morgan, Phillips and 3 more | 4 hr |
| Oct 29, 5:57 PM MDT | Mesoscale Discussion | SPC | Logan, Morgan, Phillips, Sedgwick, Washington, Yuma | 4 hr |
| Nov 15, 9:26 AM MST | Mesoscale Discussion | SPC | Bent, Cheyenne, Kiowa, Otero, Prowers | 4 hr |
| Dec 7, 10:01 PM MST | Mesoscale Discussion | SPC | Archuleta, Conejos, Dolores, Hinsdale, La Plata, Mineral and 2 more | 5 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Logan County60
- Washington County60
- Morgan County58
- Weld County55
- Sedgwick County54
- Arapahoe County53
- Elbert County51
- Lincoln County51
- Adams County50
- Phillips County49
- Yuma County49
- Kit Carson County46
- Kiowa County42
- Prowers County42
- Denver County41
- Cheyenne County41
- Crowley County40
- Baca County37
- Douglas County36
- Bent County36
- Otero County36
- El Paso County35
- Las Animas County32
- Pueblo County31
- Broomfield County30
- Jefferson County23
- Huerfano County21
- Boulder County18
- Teller County17
- Larimer County16
- Gilpin County13
- Custer County11
- Fremont County11
- Costilla County11
- Clear Creek County7
- Alamosa County7
- Park County5
- Conejos County4
- Grand County3
- Summit County2
22 more counties
- Archuleta County2
- Rio Grande County2
- Saguache County2
- Delta County2
- Garfield County2
- Mesa County2
- Montrose County2
- Rio Blanco County2
- Routt County2
- Jackson County2
- Dolores County2
- San Juan County2
- Chaffee County1
- Lake County1
- Eagle County1
- Moffat County1
- Pitkin County1
- Ouray County1
- San Miguel County1
- Hinsdale County1
- La Plata County1
- Mineral County1
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.