Alert archive / Colorado / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in Colorado, 1990
102 severe thunderstorm warnings in 1990. 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 1990. Tap one for its archive.
- Severe Thunderstorm Warnings
- 102
- Busiest month
- July35 severe thunderstorm warnings
- Busiest day
- July 11, 199010 severe thunderstorm warnings
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 |
|---|---|---|---|---|
| Apr 9, 4:19 PM MDT | Severe Thunderstorm Warning | PUB | Prowers | 21 min |
| May 8, 5:43 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln, Washington | 60 min |
| May 8, 5:43 PM MDT | Severe Thunderstorm Warning | BOU | Kit Carson, Yuma | 60 min |
| May 8, 6:59 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 61 min |
| May 8, 7:37 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 68 min |
| May 11, 6:14 PM MDT | Severe Thunderstorm Warning | PUB | Baca, Prowers | 16 min |
| May 15, 1:47 PM MDT | Severe Thunderstorm Warning | BOU | Boulder, Jefferson, Weld | 30 min |
| May 15, 1:47 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe, Denver | 30 min |
| May 20, 5:15 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe | 30 min |
| May 26, 2:27 PM MDT | Severe Thunderstorm Warning | GLD | El Paso | 48 min |
| May 26, 5:07 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 30 min |
| May 28, 5:50 PM MDT | Severe Thunderstorm Warning | BOU | Boulder | 30 min |
| May 30, 9:56 PM MDT | Severe Thunderstorm Warning | BOU | Adams | 49 min |
| May 30, 9:56 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe, Denver, Jefferson | 29 min |
| May 30, 9:56 PM MDT | Severe Thunderstorm Warning | BOU | Douglas | 29 min |
| Jun 6, 4:45 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Weld | 40 min |
| Jun 6, 5:15 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe, Elbert, Lincoln | 41 min |
| Jun 6, 5:15 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Washington | 41 min |
| Jun 6, 6:00 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe, Elbert, Lincoln, Washington | 42 min |
| Jun 6, 10:15 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe | 45 min |
| Jun 6, 10:15 PM MDT | Severe Thunderstorm Warning | BOU | Morgan | 45 min |
| Jun 7, 12:33 AM MDT | Severe Thunderstorm Warning | GLD | El Paso, Lincoln | 57 min |
| Jun 7, 12:33 AM MDT | Severe Thunderstorm Warning | GLD | Cheyenne, Kit Carson | 57 min |
| Jun 7, 6:48 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Morgan, Weld | 47 min |
| Jun 7, 8:20 PM MDT | Severe Thunderstorm Warning | GLD | Lincoln | 55 min |
| Jun 8, 2:16 AM MDT | Severe Thunderstorm Warning | BOU | Morgan | 60 min |
| Jun 8, 4:45 PM MDT | Severe Thunderstorm Warning | PUB | Las Animas | 60 min |
| Jun 8, 6:47 PM MDT | Severe Thunderstorm Warning | GLD | El Paso | 58 min |
| Jun 9, 4:53 PM MDT | Severe Thunderstorm Warning | PUB | Las Animas | 27 min |
| Jun 9, 5:19 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 41 min |
| Jun 9, 6:23 PM MDT | Severe Thunderstorm Warning | GLD | Elbert, Lincoln | 67 min |
| Jun 9, 6:56 PM MDT | Severe Thunderstorm Warning | GLD | El Paso | 34 min |
| Jun 9, 7:06 PM MDT | Severe Thunderstorm Warning | PUB | Bent | 24 min |
| Jun 9, 7:36 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa, Prowers | 54 min |
| Jun 14, 6:05 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Weld | 45 min |
| Jun 14, 6:50 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Weld | 45 min |
| Jun 14, 8:15 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 40 min |
| Jun 14, 8:50 PM MDT | Severe Thunderstorm Warning | BOU | Washington, Yuma | 40 min |
| Jun 15, 4:05 PM MDT | Severe Thunderstorm Warning | BOU | Logan | 40 min |
| Jun 15, 5:10 PM MDT | Severe Thunderstorm Warning | BOU | Sedgwick | 20 min |
| Jun 15, 5:55 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 45 min |
| Jun 19, 8:48 PM MDT | Severe Thunderstorm Warning | PUB | Prowers | 42 min |
| Jun 25, 7:13 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa | 62 min |
| Jul 3, 7:45 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Phillips | 59 min |
| Jul 9, 2:05 PM MDT | Severe Thunderstorm Warning | BOU | Douglas | 45 min |
| Jul 9, 3:25 PM MDT | Severe Thunderstorm Warning | GLD | Elbert | 65 min |
| Jul 9, 7:58 PM MDT | Severe Thunderstorm Warning | BOU | Denver, Jefferson | 32 min |
| Jul 9, 7:58 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Weld | 42 min |
| Jul 9, 10:52 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 38 min |
| Jul 11, 1:00 PM MDT | Severe Thunderstorm Warning | BOU | Boulder, Larimer | 40 min |
| Jul 11, 1:42 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Boulder, Jefferson | 48 min |
| Jul 11, 1:57 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 63 min |
| Jul 11, 2:15 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Denver, Jefferson | 90 min |
| Jul 11, 2:30 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Denver, Jefferson | 15 min |
| Jul 11, 3:10 PM MDT | Severe Thunderstorm Warning | BOU | Douglas | 30 min |
| Jul 11, 3:14 PM MDT | Severe Thunderstorm Warning | GLD | El Paso | 61 min |
| Jul 11, 3:14 PM MDT | Severe Thunderstorm Warning | GLD | Elbert | 61 min |
| Jul 11, 4:19 PM MDT | Severe Thunderstorm Warning | GLD | Lincoln | 56 min |
| Jul 11, 4:31 PM MDT | Severe Thunderstorm Warning | GLD | El Paso | 59 min |
| Jul 19, 7:45 PM MDT | Severe Thunderstorm Warning | GLD | El Paso | 35 min |
| Jul 20, 12:09 PM MDT | Severe Thunderstorm Warning | GLD | Elbert, Lincoln | 66 min |
| Jul 20, 1:05 PM MDT | Severe Thunderstorm Warning | GLD | El Paso | 55 min |
| Jul 20, 1:05 PM MDT | Severe Thunderstorm Warning | GLD | Elbert | 55 min |
| Jul 20, 2:45 PM MDT | Severe Thunderstorm Warning | GLD | El Paso, Lincoln | 60 min |
| Jul 20, 4:43 PM MDT | Severe Thunderstorm Warning | PUB | Otero | 62 min |
| Jul 23, 2:49 PM MDT | Severe Thunderstorm Warning | GLD | El Paso | 56 min |
| Jul 23, 4:00 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Weld | 26 min |
| Jul 23, 4:38 PM MDT | Severe Thunderstorm Warning | GLD | Elbert | 67 min |
| Jul 23, 4:49 PM MDT | Severe Thunderstorm Warning | PUB | Pueblo | 56 min |
| Jul 23, 6:49 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa | 41 min |
| Jul 23, 7:37 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa, Prowers | 68 min |
| Jul 26, 6:06 PM MDT | Severe Thunderstorm Warning | BOU | Kit Carson, Yuma | 54 min |
| Jul 27, 4:36 PM MDT | Severe Thunderstorm Warning | GLD | El Paso | 69 min |
| Jul 27, 4:36 PM MDT | Severe Thunderstorm Warning | GLD | Elbert | 69 min |
| Jul 27, 5:42 PM MDT | Severe Thunderstorm Warning | GLD | Elbert, El Paso, Lincoln | 63 min |
| Jul 27, 6:34 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 41 min |
| Jul 29, 2:20 PM MDT | Severe Thunderstorm Warning | BOU | Douglas | 40 min |
| Jul 30, 7:01 PM MDT | Severe Thunderstorm Warning | PUB | Pueblo | 39 min |
| Aug 2, 3:28 PM MDT | Severe Thunderstorm Warning | PUB | Prowers | 62 min |
| Aug 4, 6:20 PM MDT | Severe Thunderstorm Warning | PUB | Crowley | 55 min |
| Aug 5, 2:56 PM MDT | Severe Thunderstorm Warning | PUB | Las Animas | 34 min |
| Aug 10, 5:08 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 67 min |
| Aug 10, 5:08 PM MDT | Severe Thunderstorm Warning | GLD | Lincoln | 67 min |
| Aug 11, 3:36 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Weld | 39 min |
| Aug 11, 3:48 PM MDT | Severe Thunderstorm Warning | GLD | El Paso | 57 min |
| Aug 11, 4:32 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe, Denver, Jefferson | 28 min |
| Aug 11, 8:02 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 58 min |
| Aug 11, 8:41 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa | 49 min |
| Aug 11, 8:48 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 57 min |
| Aug 11, 9:20 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 55 min |
| Aug 11, 9:48 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne, Kit Carson | 57 min |
| Aug 18, 7:30 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe | 45 min |
| Aug 19, 6:10 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe, Denver | 50 min |
| Aug 19, 6:10 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 50 min |
| Aug 19, 8:05 PM MDT | Severe Thunderstorm Warning | BOU | El Paso | 40 min |
| Aug 19, 8:05 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe, Morgan, Weld | 40 min |
| Sep 1, 5:49 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Weld | 41 min |
| Sep 1, 7:13 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Morgan, Washington, Weld | 47 min |
| Sep 2, 4:01 PM MDT | Severe Thunderstorm Warning | BOU | Boulder, Gilpin, Grand | 29 min |
| Sep 17, 4:48 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa | 57 min |
| Sep 27, 4:07 PM MDT | Severe Thunderstorm Warning | GLD | El Paso | 38 min |
| Sep 27, 5:05 PM MDT | Severe Thunderstorm Warning | GLD | El Paso | 30 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Adams County16
- El Paso County16
- Weld County15
- Lincoln County11
- Arapahoe County10
- Morgan County10
- Elbert County10
- Kit Carson County9
- Washington County8
- Jefferson County7
- Denver County7
- Prowers County6
- Kiowa County6
- Boulder County5
- Cheyenne County4
- Douglas County4
- Yuma County3
- Las Animas County3
- Logan County3
- Pueblo County2
- Baca County1
- Bent County1
- Sedgwick County1
- Phillips County1
- Larimer County1
- Otero County1
- Crowley County1
- Gilpin County1
- Grand County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive19891991
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. Rebuilt daily.