Alert archive / Colorado / Mesoscale Discussions / 2021
Mesoscale Discussions in Colorado, March 2021
7 mesoscale discussions in March 2021. 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 March 2021. Tap one for its archive.
- Mesoscale Discussions
- 7
- Busiest day
- March 14, 20214 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 |
|---|---|---|---|---|
| Mar 13, 12:22 PM MST | Mesoscale Discussion | SPC | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 12 more | 4 hr |
| Mar 13, 7:15 PM MST | Mesoscale Discussion | SPC | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 11 more | 6 hr |
| Mar 13, 7:39 PM MST | Mesoscale Discussion | SPC | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 11 more | 6 hr |
| Mar 14, 1:55 AM MST | Mesoscale Discussion | SPC | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 5 more | 6 hr |
| Mar 14, 9:21 AM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 7 more | 4 hr |
| Mar 17, 3:38 AM MDT | Mesoscale Discussion | SPC | Baca | 6 hr |
| Mar 22, 12:27 PM MDT | Mesoscale Discussion | SPC | Cheyenne, Kiowa | 3 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Adams County5
- Arapahoe County5
- Boulder County5
- Broomfield County5
- Denver County5
- Douglas County5
- Gilpin County5
- Jefferson County5
- Larimer County5
- Weld County5
- Clear Creek County4
- Morgan County4
- El Paso County3
- Fremont County3
- Park County3
- Teller County3
- Elbert County2
- Grand County1
- Lake County1
- Summit County1
- Logan County1
- Baca County1
- Cheyenne County1
- Kiowa County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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.