Alert archive / Colorado / Mesoscale Discussions / 2009
Mesoscale Discussions in Colorado, May 2009
4 mesoscale discussions in May 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 May 2009. Tap one for its archive.
- Mesoscale Discussions
- 4
- Busiest day
- May 20, 20091 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 |
|---|---|---|---|---|
| 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 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Logan County2
- Sedgwick County2
- Costilla County1
- Huerfano County1
- Las Animas County1
- Adams County1
- Arapahoe County1
- Broomfield County1
- Cheyenne County1
- Denver County1
- Douglas County1
- Elbert County1
- El Paso County1
- Kiowa County1
- Kit Carson County1
- Lincoln County1
- Morgan County1
- Teller County1
- Washington County1
- Weld County1
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.