Alert archive / Colorado / Severe Thunderstorm Warnings / 2009
Severe Thunderstorm Warnings in Colorado, September 2009
28 severe thunderstorm warnings in September 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 severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in September 2009. Tap one for its archive.
- Severe Thunderstorm Warnings
- 28
- Busiest day
- September 3, 20098 severe thunderstorm warnings
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 |
|---|---|---|---|---|
| Aug 31, 6:11 PM MDT | Severe Thunderstorm Warning | BOU | Adams | 49 min |
| Sep 2, 7:07 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 22 min |
| Sep 3, 4:40 AM MDT | Severe Thunderstorm Warning | PUB | Baca | 43 min |
| Sep 3, 1:02 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 58 min |
| Sep 3, 2:09 PM MDT | Severe Thunderstorm Warning | PUB | Crowley, Kiowa | 51 min |
| Sep 3, 2:13 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 27 min |
| Sep 3, 2:58 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Crowley, Kiowa, Otero, Prowers | 62 min |
| Sep 3, 3:30 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Crowley, Kiowa, Otero | 60 min |
| Sep 3, 4:31 PM MDT | Severe Thunderstorm Warning | PUB | Baca | 37 min |
| Sep 4, 5:17 PM MDT | Severe Thunderstorm Warning | PUB | Custer, Fremont, Saguache | 58 min |
| Sep 6, 5:47 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 43 min |
| Sep 8, 4:17 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln, Washington | 28 min |
| Sep 8, 4:25 PM MDT | Severe Thunderstorm Warning | BOU | Logan | 35 min |
| Sep 8, 5:15 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Washington | 60 min |
| Sep 8, 5:17 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 28 min |
| Sep 8, 5:21 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 54 min |
| Sep 8, 6:18 PM MDT | Severe Thunderstorm Warning | PUB | Crowley, Kiowa | 39 min |
| Sep 8, 6:54 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 36 min |
| Sep 8, 7:16 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 44 min |
| Sep 8, 7:26 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson, Yuma | 64 min |
| Sep 8, 8:27 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne, Kit Carson | 63 min |
| Sep 8, 9:30 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne, Kit Carson | 60 min |
| Sep 12, 5:14 PM MDT | Severe Thunderstorm Warning | GJT | Archuleta | 31 min |
| Sep 12, 5:47 PM MDT | Severe Thunderstorm Warning | GJT | Dolores, San Miguel | 28 min |
| Sep 13, 4:40 PM MDT | Severe Thunderstorm Warning | BOU | Boulder, Gilpin, Jefferson | 50 min |
| Sep 14, 4:36 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 24 min |
| Sep 14, 6:06 PM MDT | Severe Thunderstorm Warning | PUB | Teller | 24 min |
| Sep 15, 4:09 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 66 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Cheyenne County4
- Crowley County4
- Kiowa County4
- Washington County4
- Lincoln County3
- Kit Carson County3
- Baca County2
- Bent County2
- Otero County2
- Yuma County2
- El Paso County2
- Adams County1
- Prowers County1
- Custer County1
- Fremont County1
- Saguache County1
- Weld County1
- Logan County1
- Morgan County1
- Archuleta County1
- Dolores County1
- San Miguel County1
- Boulder County1
- Gilpin County1
- Jefferson County1
- Teller 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.