Weather alerts in Colorado, 1990
139 weather alerts in 1990, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in 1990. Tap one for its archive.
- Alerts
- 139
- Warnings
- 139
- Watches
- 0
- Advisories
- 0
- Busiest month
- June50 alerts
- Busiest day
- June 7, 199017 alerts
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 |
| Apr 26, 7:10 PM MDT | Tornado Warning | PUB | Prowers | 35 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 29, 12:39 PM MDT | Tornado Warning | BOU | Adams, Denver, Jefferson | 30 min |
| May 29, 1:24 PM MDT | Flash Flood Warning | GLD | El Paso | 2 hr |
| 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 1, 4:58 PM MDT | Tornado Warning | BOU | Boulder, Larimer, Weld | 47 min |
| Jun 1, 4:58 PM MDT | Tornado Warning | BOU | Adams, Jefferson | 47 min |
| Jun 1, 5:50 PM MDT | Tornado Warning | BOU | Adams, Weld | 45 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, 7:30 PM MDT | Tornado Warning | GLD | Elbert, Lincoln | 30 min |
| Jun 6, 7:48 PM MDT | Tornado Warning | BOU | Arapahoe | 27 min |
| Jun 6, 8:08 PM MDT | Tornado Warning | GLD | Lincoln | 67 min |
| Jun 6, 8:52 PM MDT | Tornado Warning | GLD | El Paso | 68 min |
| Jun 6, 9:33 PM MDT | Tornado Warning | GLD | Elbert | 57 min |
| Jun 6, 9:33 PM MDT | Tornado Warning | GLD | El Paso | 57 min |
| Jun 6, 10:02 PM MDT | Tornado Warning | GLD | Elbert | 58 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 6, 10:24 PM MDT | Tornado Warning | GLD | El Paso, Lincoln | 66 min |
| Jun 6, 10:24 PM MDT | Tornado Warning | GLD | Elbert | 66 min |
| Jun 6, 11:25 PM MDT | Tornado Warning | GLD | Kit Carson | 65 min |
| Jun 6, 11:25 PM MDT | Tornado Warning | GLD | Elbert, Lincoln | 65 min |
| Jun 6, 11:25 PM MDT | Tornado Warning | GLD | El Paso | 65 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, 3:38 PM MDT | Tornado Warning | GLD | Elbert | 67 min |
| Jun 9, 3:38 PM MDT | Tornado Warning | GLD | El Paso | 67 min |
| Jun 9, 3:49 PM MDT | Tornado Warning | PUB | Las Animas | 26 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, 5:51 PM MDT | Tornado Warning | GLD | El Paso | 69 min |
| Jun 9, 6:05 PM MDT | Tornado Warning | BOU | Weld | 30 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 15, 6:10 PM MDT | Tornado Warning | BOU | Morgan, Weld | 30 min |
| Jun 19, 8:48 PM MDT | Severe Thunderstorm Warning | PUB | Prowers | 42 min |
| Jun 19, 9:01 PM MDT | Tornado Warning | PUB | Prowers | 29 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, 4:05 PM MDT | Tornado Warning | GLD | Elbert, Lincoln | 55 min |
| Jul 9, 4:12 PM MDT | Tornado Warning | GLD | El Paso | 63 min |
| Jul 9, 4:15 PM MDT | Tornado Warning | GLD | Elbert, Lincoln | 45 min |
| Jul 9, 5:39 PM MDT | Flash Flood Warning | GLD | El Paso | 2 hr |
| Jul 9, 6:57 PM MDT | Tornado Warning | BOU | Adams, Arapahoe, Denver | 45 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, 9:10 PM MDT | Tornado Warning | BOU | Washington | 43 min |
| Jul 9, 9:10 PM MDT | Tornado Warning | BOU | Morgan, Weld | 43 min |
| Jul 9, 10:00 PM MDT | Tornado Warning | BOU | Logan, Morgan, Washington | 45 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 14, 6:45 PM MDT | Tornado Warning | PUB | Baca | 30 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 4, 7:44 PM MDT | Tornado Warning | PUB | Las Animas | 31 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 |
| Aug 22, 2:55 PM MDT | Tornado Warning | GLD | Kit Carson | 65 min |
| Aug 22, 2:55 PM MDT | Tornado Warning | GLD | Cheyenne | 35 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 product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 102 |
| Tornado Warning | 35 |
| Flooding | |
| Flash Flood Warning | 2 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- El Paso County25
- Weld County20
- Adams County20
- Elbert County18
- Lincoln County17
- Morgan County13
- Arapahoe County12
- Kit Carson County11
- Washington County10
- Jefferson County9
- Denver County9
- Prowers County8
- Boulder County6
- Kiowa County6
- Cheyenne County5
- Las Animas County5
- Douglas County4
- Logan County4
- Yuma County3
- Baca County2
- Larimer County2
- Pueblo County2
- Bent County1
- Sedgwick County1
- Phillips 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.