Alert archive / Colorado / Mesoscale Discussions / 2009
Mesoscale Discussions in Colorado, August 2009
31 mesoscale discussions in August 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 August 2009. Tap one for its archive.
- Mesoscale Discussions
- 31
- Busiest day
- August 10, 20094 mesoscale discussions
Over time
By day
Days in UTC, the clock the archive keeps.
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 |
|---|---|---|---|---|
| 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 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Kit Carson County16
- Cheyenne County14
- Washington County14
- Phillips County13
- Logan County13
- Morgan County13
- Adams County13
- Arapahoe County13
- Lincoln County13
- Elbert County12
- Yuma County12
- Weld County11
- Sedgwick County10
- Denver County9
- El Paso County9
- Crowley County8
- Prowers County7
- Kiowa County7
- Douglas County7
- Baca County6
- Otero County6
- Pueblo County6
- Bent County5
- Jefferson County5
- Huerfano County4
- Las Animas County4
- Broomfield County3
- Teller County3
- Larimer County2
- Boulder County2
- Clear Creek County2
- Gilpin County2
- Grand County1
- Alamosa County1
- Costilla County1
- Custer County1
- Fremont County1
- Park County1
Nearby
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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.