Weather alerts in Colorado, 1991
301 weather alerts in 1991, 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 1991. Tap one for its archive.
- Alerts
- 301
- Warnings
- 301
- Watches
- 0
- Advisories
- 0
- Busiest month
- June147 alerts
- Busiest day
- June 1, 199132 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 18, 2:31 PM MDT | Tornado Warning | GLD | Elbert, Lincoln | 59 min |
| Apr 18, 5:51 PM MDT | Severe Thunderstorm Warning | GLD | El Paso | 69 min |
| May 2, 2:18 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 42 min |
| May 2, 2:54 PM MDT | Tornado Warning | GLD | Elbert | 66 min |
| May 2, 2:55 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 35 min |
| May 2, 3:05 PM MDT | Tornado Warning | BOU | Washington | 40 min |
| May 2, 3:17 PM MDT | Tornado Warning | GLD | Lincoln | 58 min |
| May 2, 3:33 PM MDT | Severe Thunderstorm Warning | PUB | Crowley | 57 min |
| May 2, 4:00 PM MDT | Severe Thunderstorm Warning | BOU | Yuma | 30 min |
| May 3, 5:56 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe | 34 min |
| May 3, 10:04 PM MDT | Tornado Warning | GLD | Elbert, Lincoln | 26 min |
| May 10, 5:43 PM MDT | Severe Thunderstorm Warning | PUB | Baca | 62 min |
| May 11, 5:40 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Prowers | 20 min |
| May 11, 6:00 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa | 20 min |
| May 11, 6:25 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Washington | 20 min |
| May 11, 6:26 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 64 min |
| May 11, 6:47 PM MDT | Severe Thunderstorm Warning | PUB | Baca | 58 min |
| May 11, 7:48 PM MDT | Severe Thunderstorm Warning | PUB | Baca | 57 min |
| May 11, 8:46 PM MDT | Tornado Warning | PUB | Baca | 29 min |
| May 15, 3:09 PM MDT | Severe Thunderstorm Warning | BOU | Larimer | 6 min |
| May 15, 3:40 PM MDT | Severe Thunderstorm Warning | BOU | Larimer | 35 min |
| May 16, 2:27 PM MDT | Tornado Warning | GLD | Kit Carson | 33 min |
| May 18, 6:59 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 61 min |
| May 19, 4:45 PM MDT | Severe Thunderstorm Warning | BOU | Larimer, Weld | 45 min |
| May 19, 4:52 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Weld | 53 min |
| May 19, 4:52 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe | 53 min |
| May 19, 5:30 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 25 min |
| May 19, 5:51 PM MDT | Severe Thunderstorm Warning | GLD | Elbert | 69 min |
| May 19, 6:51 PM MDT | Severe Thunderstorm Warning | GLD | Elbert, Lincoln | 69 min |
| May 19, 6:51 PM MDT | Severe Thunderstorm Warning | GLD | El Paso | 69 min |
| May 22, 6:12 PM MDT | Tornado Warning | BOU | Douglas | 33 min |
| May 22, 6:22 PM MDT | Severe Thunderstorm Warning | GLD | El Paso | 68 min |
| May 22, 6:22 PM MDT | Severe Thunderstorm Warning | GLD | Elbert | 68 min |
| May 22, 6:37 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 68 min |
| May 22, 6:45 PM MDT | Tornado Warning | BOU | Arapahoe, Denver | 45 min |
| May 22, 6:45 PM MDT | Tornado Warning | BOU | Douglas | 45 min |
| May 22, 6:46 PM MDT | Tornado Warning | GLD | Elbert | 29 min |
| May 22, 6:46 PM MDT | Tornado Warning | GLD | El Paso | 29 min |
| May 22, 7:11 PM MDT | Tornado Warning | GLD | El Paso | 64 min |
| May 22, 7:11 PM MDT | Tornado Warning | GLD | Elbert | 64 min |
| May 22, 7:23 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Weld | 67 min |
| May 22, 7:29 PM MDT | Tornado Warning | BOU | Morgan | 46 min |
| May 23, 1:25 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe | 35 min |
| May 23, 1:25 PM MDT | Severe Thunderstorm Warning | GLD | Elbert | 35 min |
| May 23, 1:26 PM MDT | Severe Thunderstorm Warning | BOU | Jefferson | 64 min |
| May 23, 1:58 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Denver, Jefferson | 62 min |
| May 23, 2:01 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe | 29 min |
| May 23, 2:01 PM MDT | Severe Thunderstorm Warning | GLD | Elbert | 29 min |
| May 23, 2:30 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe | 45 min |
| May 23, 3:03 PM MDT | Severe Thunderstorm Warning | PUB | Pueblo | 27 min |
| May 23, 3:06 PM MDT | Tornado Warning | BOU | Adams, Arapahoe | 39 min |
| May 23, 3:33 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe, Denver, Douglas | 57 min |
| May 23, 3:34 PM MDT | Severe Thunderstorm Warning | GLD | El Paso | 56 min |
| May 23, 3:45 PM MDT | Tornado Warning | BOU | Adams, Arapahoe | 30 min |
| May 23, 3:45 PM MDT | Severe Thunderstorm Warning | PUB | Prowers | 60 min |
| May 23, 3:51 PM MDT | Tornado Warning | BOU | Adams, Arapahoe, Denver, Douglas | 39 min |
| May 23, 4:17 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe, Washington | 43 min |
| May 23, 4:25 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe | 65 min |
| May 23, 4:47 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa | 38 min |
| May 23, 5:00 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe, Washington | 60 min |
| May 23, 5:17 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne, Lincoln | 58 min |
| May 23, 6:00 PM MDT | Severe Thunderstorm Warning | BOU | Washington, Yuma | 60 min |
| May 23, 6:02 PM MDT | Severe Thunderstorm Warning | GLD | Lincoln | 58 min |
| May 23, 6:02 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 58 min |
| May 23, 6:56 PM MDT | Severe Thunderstorm Warning | BOU | Yuma | 49 min |
| May 24, 12:16 PM MDT | Tornado Warning | BOU | Logan, Washington | 29 min |
| May 24, 3:19 PM MDT | Tornado Warning | BOU | Adams, Arapahoe | 26 min |
| May 26, 3:33 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 57 min |
| May 26, 4:33 PM MDT | Severe Thunderstorm Warning | BOU | Washington, Yuma | 57 min |
| May 26, 4:33 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 57 min |
| May 26, 5:42 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 63 min |
| May 26, 6:03 PM MDT | Tornado Warning | GLD | Kit Carson | 27 min |
| May 26, 11:19 PM MDT | Severe Thunderstorm Warning | BOU | Logan | 41 min |
| May 26, 11:53 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 52 min |
| May 27, 6:02 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 58 min |
| May 27, 6:44 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Weld | 61 min |
| May 27, 7:42 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Morgan, Washington | 63 min |
| May 28, 2:44 PM MDT | Severe Thunderstorm Warning | GLD | Lincoln | 61 min |
| May 28, 3:08 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Weld | 52 min |
| May 28, 3:15 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 60 min |
| May 28, 3:42 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 48 min |
| May 28, 3:57 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne, Kit Carson | 63 min |
| May 28, 4:14 PM MDT | Severe Thunderstorm Warning | BOU | Yuma | 46 min |
| May 28, 4:35 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 22 min |
| May 28, 5:01 PM MDT | Severe Thunderstorm Warning | PUB | Baca | 59 min |
| May 28, 6:20 PM MDT | Severe Thunderstorm Warning | PUB | Baca | 55 min |
| May 28, 9:52 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe, Denver, Jefferson | 53 min |
| May 29, 4:06 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Weld | 39 min |
| May 29, 4:47 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 43 min |
| May 29, 5:20 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Weld | 55 min |
| May 29, 5:39 PM MDT | Tornado Warning | BOU | Weld | 36 min |
| May 29, 6:10 PM MDT | Tornado Warning | BOU | Morgan, Washington | 35 min |
| May 29, 6:41 PM MDT | Tornado Warning | BOU | Washington | 34 min |
| May 29, 7:20 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 25 min |
| May 29, 7:43 PM MDT | Tornado Warning | BOU | Washington, Yuma | 32 min |
| May 29, 8:13 PM MDT | Tornado Warning | BOU | Yuma | 47 min |
| May 31, 3:29 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe, Denver | 31 min |
| May 31, 3:29 PM MDT | Severe Thunderstorm Warning | BOU | Douglas | 31 min |
| May 31, 3:56 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe, Denver | 34 min |
| May 31, 4:20 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe, Denver | 40 min |
| May 31, 4:20 PM MDT | Severe Thunderstorm Warning | BOU | Douglas | 40 min |
| May 31, 4:30 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe | 45 min |
| May 31, 4:56 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe, Douglas | 49 min |
| May 31, 4:56 PM MDT | Severe Thunderstorm Warning | GLD | Elbert | 49 min |
| May 31, 5:14 PM MDT | Severe Thunderstorm Warning | BOU | Adams | 46 min |
| May 31, 5:45 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe | 60 min |
| May 31, 5:45 PM MDT | Severe Thunderstorm Warning | GLD | Elbert | 60 min |
| May 31, 6:09 PM MDT | Severe Thunderstorm Warning | BOU | Boulder, Jefferson | 51 min |
| May 31, 6:12 PM MDT | Severe Thunderstorm Warning | BOU | Douglas | 48 min |
| May 31, 6:12 PM MDT | Severe Thunderstorm Warning | GLD | Elbert | 48 min |
| May 31, 6:46 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe | 59 min |
| May 31, 6:46 PM MDT | Severe Thunderstorm Warning | GLD | Elbert | 59 min |
| May 31, 7:43 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe | 62 min |
| May 31, 8:38 PM MDT | Severe Thunderstorm Warning | BOU | Morgan | 67 min |
| May 31, 9:06 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe | 39 min |
| May 31, 9:37 PM MDT | Tornado Warning | BOU | Morgan | 38 min |
| May 31, 9:44 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Weld | 46 min |
| May 31, 10:02 PM MDT | Tornado Warning | BOU | Adams, Arapahoe, Washington | 28 min |
| May 31, 10:25 PM MDT | Tornado Warning | BOU | Logan, Morgan, Washington | 35 min |
| May 31, 10:26 PM MDT | Tornado Warning | BOU | Adams, Washington | 34 min |
| May 31, 10:38 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe | 52 min |
| May 31, 10:48 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe | 42 min |
| May 31, 11:00 PM MDT | Tornado Warning | BOU | Morgan, Washington | 45 min |
| May 31, 11:05 PM MDT | Tornado Warning | BOU | Logan, Washington | 40 min |
| May 31, 11:33 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Weld | 42 min |
| May 31, 11:49 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 26 min |
| May 31, 11:51 PM MDT | Tornado Warning | BOU | Logan | 24 min |
| Jun 1, 12:15 AM MDT | Severe Thunderstorm Warning | BOU | Washington | 30 min |
| Jun 1, 12:15 AM MDT | Severe Thunderstorm Warning | BOU | Weld | 45 min |
| Jun 1, 12:26 AM MDT | Tornado Warning | BOU | Washington | 34 min |
| Jun 1, 1:01 AM MDT | Tornado Warning | BOU | Washington | 29 min |
| Jun 1, 4:05 PM MDT | Severe Thunderstorm Warning | BOU | Denver, Jefferson | 40 min |
| Jun 1, 4:05 PM MDT | Severe Thunderstorm Warning | BOU | Douglas | 40 min |
| Jun 1, 4:36 PM MDT | Tornado Warning | BOU | Jefferson | 24 min |
| Jun 1, 4:57 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Boulder, Denver, Jefferson | 48 min |
| Jun 1, 5:20 PM MDT | Flash Flood Warning | BOU | Adams, Jefferson | 115 min |
| Jun 1, 5:33 PM MDT | Tornado Warning | BOU | Boulder, Jefferson | 27 min |
| Jun 1, 5:44 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe, Denver, Jefferson | 46 min |
| Jun 1, 5:44 PM MDT | Severe Thunderstorm Warning | BOU | Boulder, Weld | 46 min |
| Jun 1, 6:07 PM MDT | Tornado Warning | BOU | Boulder | 38 min |
| Jun 1, 6:33 PM MDT | Tornado Warning | BOU | Larimer | 27 min |
| Jun 1, 8:02 PM MDT | Flash Flood Warning | BOU | Larimer | 3 hr |
| Jun 1, 11:00 PM MDT | Flash Flood Warning | BOU | Larimer | 2 hr |
| Jun 2, 5:01 PM MDT | Tornado Warning | BOU | Adams, Larimer, Weld | 29 min |
| Jun 2, 5:01 PM MDT | Tornado Warning | BOU | Denver | 29 min |
| Jun 2, 5:27 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Boulder, Denver, Jefferson | 48 min |
| Jun 2, 5:27 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 48 min |
| Jun 2, 5:41 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Morgan, Washington | 64 min |
| Jun 2, 5:45 PM MDT | Flash Flood Warning | BOU | Denver | 75 min |
| Jun 2, 6:30 PM MDT | Flash Flood Warning | BOU | Weld | 60 min |
| Jun 5, 3:20 PM MDT | Severe Thunderstorm Warning | GLD | Elbert, Lincoln | 55 min |
| Jun 5, 7:04 PM MDT | Severe Thunderstorm Warning | PUB | Baca | 26 min |
| Jun 6, 3:35 PM MDT | Tornado Warning | BOU | Adams, Weld | 25 min |
| Jun 6, 3:57 PM MDT | Tornado Warning | PUB | Crowley | 33 min |
| Jun 6, 3:59 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe, Denver | 46 min |
| Jun 6, 3:59 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 46 min |
| Jun 6, 4:41 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe, Denver | 64 min |
| Jun 6, 4:41 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 64 min |
| Jun 6, 4:53 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 52 min |
| Jun 6, 5:15 PM MDT | Flash Flood Warning | BOU | Arapahoe | 80 min |
| Jun 6, 5:23 PM MDT | Tornado Warning | BOU | Adams, Arapahoe | 37 min |
| Jun 6, 5:40 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Weld | 65 min |
| Jun 7, 3:42 PM MDT | Severe Thunderstorm Warning | BOU | Douglas | 48 min |
| Jun 8, 5:30 PM MDT | Severe Thunderstorm Warning | BOU | Sedgwick | 30 min |
| Jun 8, 5:44 PM MDT | Severe Thunderstorm Warning | BOU | Phillips | 46 min |
| Jun 8, 6:30 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Phillips | 45 min |
| Jun 8, 8:17 PM MDT | Tornado Warning | GLD | Fremont | 28 min |
| Jun 9, 3:35 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 55 min |
| Jun 9, 3:51 PM MDT | Tornado Warning | BOU | Weld | 39 min |
| Jun 9, 4:30 PM MDT | Tornado Warning | BOU | Weld | 45 min |
| Jun 9, 5:10 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe | 35 min |
| Jun 9, 5:12 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Denver, Jefferson | 48 min |
| Jun 9, 5:16 PM MDT | Tornado Warning | BOU | Weld | 59 min |
| Jun 9, 5:59 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe, Denver | 61 min |
| Jun 10, 2:44 PM MDT | Severe Thunderstorm Warning | BOU | Douglas | 46 min |
| Jun 10, 2:44 PM MDT | Severe Thunderstorm Warning | GLD | El Paso, Teller | 46 min |
| Jun 10, 2:53 PM MDT | Tornado Warning | BOU | Douglas | 37 min |
| Jun 10, 3:09 PM MDT | Tornado Warning | GLD | El Paso, Teller | 36 min |
| Jun 10, 3:09 PM MDT | Tornado Warning | GLD | Elbert | 36 min |
| Jun 10, 3:28 PM MDT | Tornado Warning | BOU | Douglas | 47 min |
| Jun 10, 3:55 PM MDT | Severe Thunderstorm Warning | GLD | Elbert | 65 min |
| Jun 10, 3:55 PM MDT | Severe Thunderstorm Warning | GLD | El Paso | 65 min |
| Jun 12, 3:35 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 40 min |
| Jun 12, 3:38 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Weld | 37 min |
| Jun 16, 2:43 PM MDT | Severe Thunderstorm Warning | BOU | Jefferson | 32 min |
| Jun 16, 4:09 PM MDT | Severe Thunderstorm Warning | BOU | Morgan | 36 min |
| Jun 16, 5:12 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Phillips, Sedgwick | 48 min |
| Jun 16, 5:54 PM MDT | Severe Thunderstorm Warning | BOU | Phillips, Sedgwick, Yuma | 36 min |
| Jun 16, 6:28 PM MDT | Severe Thunderstorm Warning | BOU | Yuma | 32 min |
| Jun 16, 7:20 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne, Kit Carson | 55 min |
| Jun 17, 4:04 PM MDT | Tornado Warning | BOU | Sedgwick | 26 min |
| Jun 18, 6:04 PM MDT | Severe Thunderstorm Warning | BOU | Logan | 26 min |
| Jun 18, 6:29 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Phillips, Sedgwick | 31 min |
| Jun 18, 7:03 PM MDT | Tornado Warning | BOU | Logan, Phillips, Yuma | 27 min |
| Jun 19, 3:19 PM MDT | Severe Thunderstorm Warning | PUB | Pueblo | 56 min |
| Jun 19, 5:50 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Washington | 25 min |
| Jun 19, 7:23 PM MDT | Severe Thunderstorm Warning | BOU | Washington, Yuma | 37 min |
| Jun 19, 8:00 PM MDT | Severe Thunderstorm Warning | BOU | Yuma | 30 min |
| Jun 20, 8:59 PM MDT | Severe Thunderstorm Warning | BOU | Yuma | 31 min |
| Jun 20, 10:14 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 31 min |
| Jun 20, 10:45 PM MDT | Severe Thunderstorm Warning | BOU | Kit Carson, Washington, Yuma | 30 min |
| Jun 21, 1:51 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe, Denver, Jefferson | 39 min |
| Jun 21, 2:26 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Boulder, Jefferson | 34 min |
| Jun 21, 2:30 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe, Denver, Douglas, Jefferson | 45 min |
| Jun 21, 3:02 PM MDT | Tornado Warning | BOU | Arapahoe, Douglas | 28 min |
| Jun 21, 3:04 PM MDT | Severe Thunderstorm Warning | BOU | Denver, Jefferson | 41 min |
| Jun 21, 3:27 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe, Douglas | 33 min |
| Jun 21, 3:30 PM MDT | Severe Thunderstorm Warning | GLD | Elbert | 60 min |
| Jun 21, 3:45 PM MDT | Severe Thunderstorm Warning | BOU | Jefferson | 30 min |
| Jun 21, 4:16 PM MDT | Tornado Warning | GLD | Elbert | 59 min |
| Jun 21, 4:40 PM MDT | Severe Thunderstorm Warning | BOU | Larimer | 35 min |
| Jun 21, 4:55 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 35 min |
| Jun 21, 5:13 PM MDT | Tornado Warning | GLD | Elbert | 62 min |
| Jun 21, 5:13 PM MDT | Tornado Warning | GLD | El Paso | 62 min |
| Jun 21, 5:29 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe, Douglas | 46 min |
| Jun 21, 5:50 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe, Denver, Jefferson | 25 min |
| Jun 21, 6:08 PM MDT | Tornado Warning | GLD | El Paso | 67 min |
| Jun 21, 6:08 PM MDT | Tornado Warning | GLD | Elbert | 67 min |
| Jun 21, 6:39 PM MDT | Severe Thunderstorm Warning | BOU | Jefferson | 21 min |
| Jun 21, 7:09 PM MDT | Tornado Warning | GLD | El Paso | 66 min |
| Jun 21, 8:50 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Denver, Jefferson | 40 min |
| Jun 21, 9:25 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Denver | 25 min |
| Jun 21, 10:41 PM MDT | Severe Thunderstorm Warning | BOU | Denver, Jefferson | 29 min |
| Jun 21, 11:09 PM MDT | Severe Thunderstorm Warning | BOU | Denver | 26 min |
| Jun 21, 11:17 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe | 28 min |
| Jun 22, 1:18 PM MDT | Severe Thunderstorm Warning | PUB | Huerfano, Pueblo | 57 min |
| Jun 22, 1:57 PM MDT | Severe Thunderstorm Warning | BOU | Larimer, Weld | 33 min |
| Jun 22, 2:11 PM MDT | Severe Thunderstorm Warning | BOU | Boulder, Weld | 34 min |
| Jun 22, 2:11 PM MDT | Severe Thunderstorm Warning | BOU | Adams | 34 min |
| Jun 22, 2:21 PM MDT | Severe Thunderstorm Warning | PUB | Huerfano, Las Animas | 69 min |
| Jun 22, 2:36 PM MDT | Tornado Warning | BOU | Larimer, Weld | 39 min |
| Jun 22, 2:45 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 30 min |
| Jun 22, 3:15 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 45 min |
| Jun 22, 3:26 PM MDT | Severe Thunderstorm Warning | PUB | Pueblo | 34 min |
| Jun 22, 3:45 PM MDT | Severe Thunderstorm Warning | PUB | Crowley, Otero | 60 min |
| Jun 22, 3:50 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Weld | 40 min |
| Jun 22, 4:22 PM MDT | Severe Thunderstorm Warning | PUB | Otero | 53 min |
| Jun 22, 4:31 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Weld | 44 min |
| Jun 22, 5:10 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Kiowa | 50 min |
| Jun 22, 5:15 PM MDT | Tornado Warning | BOU | Morgan, Weld | 30 min |
| Jun 22, 5:44 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Kiowa, Prowers | 46 min |
| Jun 22, 5:47 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Morgan, Weld | 43 min |
| Jun 22, 5:47 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 58 min |
| Jun 22, 6:09 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 66 min |
| Jun 22, 6:32 PM MDT | Severe Thunderstorm Warning | PUB | Prowers | 28 min |
| Jun 22, 6:34 PM MDT | Tornado Warning | BOU | Logan, Washington | 26 min |
| Jun 22, 6:59 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Washington | 46 min |
| Jun 22, 7:01 PM MDT | Tornado Warning | PUB | Prowers | 29 min |
| Jun 22, 7:30 PM MDT | Severe Thunderstorm Warning | PUB | Prowers | 60 min |
| Jun 22, 7:49 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 41 min |
| Jun 22, 8:02 PM MDT | Tornado Warning | BOU | Washington | 28 min |
| Jun 22, 8:29 PM MDT | Severe Thunderstorm Warning | PUB | Prowers | 31 min |
| Jun 22, 8:31 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 29 min |
| Jun 22, 10:38 PM MDT | Severe Thunderstorm Warning | GLD | Elbert | 37 min |
| Jul 2, 12:28 AM MDT | Severe Thunderstorm Warning | PUB | Bent | 47 min |
| Jul 2, 3:18 AM MDT | Severe Thunderstorm Warning | PUB | Baca | 27 min |
| Jul 2, 4:16 PM MDT | Severe Thunderstorm Warning | GLD | Teller | 59 min |
| Jul 2, 5:10 PM MDT | Severe Thunderstorm Warning | GLD | Douglas, El Paso | 65 min |
| Jul 2, 5:10 PM MDT | Severe Thunderstorm Warning | GLD | Elbert | 65 min |
| Jul 2, 6:17 PM MDT | Severe Thunderstorm Warning | GLD | El Paso, Lincoln | 58 min |
| Jul 2, 6:17 PM MDT | Severe Thunderstorm Warning | GLD | Elbert | 58 min |
| Jul 2, 7:55 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe, Washington | 38 min |
| Jul 8, 3:48 PM MDT | Severe Thunderstorm Warning | GLD | El Paso | 57 min |
| Jul 8, 4:12 PM MDT | Severe Thunderstorm Warning | GLD | Elbert | 63 min |
| Jul 8, 6:57 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 63 min |
| Jul 12, 2:13 PM MDT | Severe Thunderstorm Warning | BOU | Larimer, Weld | 47 min |
| Jul 12, 3:15 PM MDT | Severe Thunderstorm Warning | BOU | Adams | 30 min |
| Jul 12, 4:02 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe, Denver | 28 min |
| Jul 12, 4:15 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 30 min |
| Jul 19, 6:36 PM MDT | Severe Thunderstorm Warning | PUB | Pueblo | 54 min |
| Jul 20, 5:39 PM MDT | Flash Flood Warning | GLD | El Paso | 66 min |
| Jul 25, 3:28 PM MDT | Tornado Warning | BOU | Adams, Weld | 32 min |
| Jul 25, 3:48 PM MDT | Tornado Warning | BOU | Adams, Weld | 27 min |
| Jul 25, 3:49 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Denver | 26 min |
| Jul 25, 4:09 PM MDT | Tornado Warning | BOU | Boulder, Weld | 36 min |
| Jul 25, 4:09 PM MDT | Tornado Warning | BOU | Adams | 36 min |
| Jul 25, 4:39 PM MDT | Tornado Warning | BOU | Weld | 36 min |
| Jul 26, 2:01 PM MDT | Severe Thunderstorm Warning | GLD | El Paso | 59 min |
| Jul 26, 2:59 PM MDT | Severe Thunderstorm Warning | GLD | El Paso | 61 min |
| Aug 5, 4:50 PM MDT | Severe Thunderstorm Warning | PUB | Crowley, Otero, Pueblo | 30 min |
| Aug 8, 3:38 PM MDT | Severe Thunderstorm Warning | BOU | Larimer, Weld | 22 min |
| Aug 8, 4:58 PM MDT | Severe Thunderstorm Warning | GLD | El Paso | 47 min |
| Aug 11, 6:40 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Morgan, Weld | 35 min |
| Aug 11, 7:05 PM MDT | Severe Thunderstorm Warning | GLD | Lincoln | 65 min |
| Aug 11, 7:15 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Washington | 30 min |
| Aug 11, 8:15 PM MDT | Severe Thunderstorm Warning | GLD | Lincoln | 60 min |
| Aug 12, 4:25 PM MDT | Severe Thunderstorm Warning | PUB | Pueblo | 65 min |
| Aug 12, 4:53 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa | 67 min |
| Aug 16, 3:25 PM MDT | Severe Thunderstorm Warning | GLD | El Paso | 50 min |
| Aug 16, 4:54 PM MDT | Severe Thunderstorm Warning | PUB | Pueblo | 41 min |
| Aug 16, 6:26 PM MDT | Severe Thunderstorm Warning | GLD | El Paso | 64 min |
| Aug 18, 10:19 PM MDT | Flash Flood Warning | BOU | Clear Creek | 86 min |
| Aug 19, 6:07 PM MDT | Severe Thunderstorm Warning | PUB | Custer, Pueblo | 68 min |
| Aug 19, 6:33 PM MDT | Severe Thunderstorm Warning | PUB | Huerfano, Pueblo | 42 min |
| Aug 19, 6:44 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 31 min |
| Sep 4, 5:35 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Sedgwick | 25 min |
| Sep 4, 7:11 PM MDT | Severe Thunderstorm Warning | BOU | Logan | 34 min |
| Sep 4, 7:44 PM MDT | Severe Thunderstorm Warning | BOU | Logan | 21 min |
| Sep 11, 7:47 PM MDT | Severe Thunderstorm Warning | BOU | Morgan | 43 min |
| Sep 11, 8:30 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Morgan, Washington | 30 min |
| Sep 12, 1:15 AM MDT | Severe Thunderstorm Warning | BOU | Phillips, Sedgwick | 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 | 222 |
| Tornado Warning | 71 |
| Flooding | |
| Flash Flood Warning | 8 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Weld County52
- Adams County48
- Arapahoe County43
- Washington County38
- Denver County28
- Elbert County25
- Morgan County22
- Jefferson County22
- El Paso County21
- Logan County20
- Douglas County18
- Yuma County14
- Larimer County12
- Lincoln County11
- Pueblo County10
- Kit Carson County9
- Boulder County9
- Baca County8
- Prowers County7
- Cheyenne County7
- Sedgwick County7
- Phillips County7
- Kiowa County5
- Crowley County4
- Bent County4
- Teller County3
- Huerfano County3
- Otero County3
- Fremont County1
- Las Animas County1
- Clear Creek County1
- Custer County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive19901992
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.