Alert archive / Colorado / Tornado Warnings
Tornado Warnings in Colorado, 1999
86 tornado warnings in 1999. 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 tornado warnings reaches back to 1986.
Tornado Warnings by county
Each county as a circle sized by its count in 1999. Tap one for its archive.
- Tornado Warnings
- 86
- Busiest month
- June35 tornado warnings
- Busiest day
- June 28, 199912 tornado 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 |
|---|---|---|---|---|
| May 14, 4:32 PM MDT | Tornado Warning | GLD | Yuma | 28 min |
| May 14, 5:00 PM MDT | Tornado Warning | GLD | Yuma | 30 min |
| May 16, 3:15 PM MDT | Tornado Warning | BOU | Elbert | 35 min |
| May 16, 3:55 PM MDT | Tornado Warning | BOU | Elbert | 30 min |
| May 16, 6:00 PM MDT | Tornado Warning | BOU | Lincoln | 30 min |
| May 16, 6:01 PM MDT | Tornado Warning | GLD | Kit Carson | 49 min |
| May 16, 6:42 PM MDT | Tornado Warning | BOU | Elbert | 38 min |
| May 16, 7:13 PM MDT | Tornado Warning | BOU | Lincoln | 27 min |
| May 22, 4:30 PM MDT | Tornado Warning | BOU | Washington | 30 min |
| May 22, 5:23 PM MDT | Tornado Warning | GLD | Kit Carson | 62 min |
| May 22, 6:04 PM MDT | Tornado Warning | BOU | Elbert, Lincoln | 26 min |
| May 24, 1:30 PM MDT | Tornado Warning | BOU | Arapahoe | 15 min |
| May 24, 5:58 PM MDT | Tornado Warning | BOU | Lincoln | 32 min |
| May 27, 12:12 PM MDT | Tornado Warning | PUB | Baca | 48 min |
| May 30, 2:35 PM MDT | Tornado Warning | BOU | Weld | 25 min |
| May 31, 4:40 PM MDT | Tornado Warning | GLD | Kit Carson | 50 min |
| May 31, 5:12 PM MDT | Tornado Warning | BOU | Morgan, Washington | 33 min |
| May 31, 5:27 PM MDT | Tornado Warning | GLD | Kit Carson | 48 min |
| May 31, 5:40 PM MDT | Tornado Warning | BOU | Washington | 35 min |
| May 31, 5:56 PM MDT | Tornado Warning | BOU | Washington | 34 min |
| May 31, 6:13 PM MDT | Tornado Warning | BOU | Washington | 32 min |
| May 31, 6:29 PM MDT | Tornado Warning | BOU | Lincoln | 31 min |
| May 31, 6:47 PM MDT | Tornado Warning | BOU | Lincoln | 28 min |
| May 31, 7:12 PM MDT | Tornado Warning | BOU | Lincoln | 33 min |
| May 31, 7:42 PM MDT | Tornado Warning | BOU | Lincoln | 33 min |
| Jun 2, 7:04 PM MDT | Tornado Warning | GLD | Yuma | 31 min |
| Jun 2, 7:37 PM MDT | Tornado Warning | GLD | Yuma | 33 min |
| Jun 9, 5:27 PM MDT | Tornado Warning | PUB | Prowers | 48 min |
| Jun 10, 4:06 PM MDT | Tornado Warning | BOU | Adams | 24 min |
| Jun 10, 4:27 PM MDT | Tornado Warning | BOU | Adams | 33 min |
| Jun 10, 4:59 PM MDT | Tornado Warning | BOU | Adams | 31 min |
| Jun 10, 5:27 PM MDT | Tornado Warning | BOU | Adams, Arapahoe | 33 min |
| Jun 10, 6:00 PM MDT | Tornado Warning | BOU | Adams, Arapahoe, Washington | 30 min |
| Jun 10, 6:23 PM MDT | Tornado Warning | BOU | Washington | 37 min |
| Jun 10, 6:59 PM MDT | Tornado Warning | BOU | Washington | 31 min |
| Jun 11, 1:50 PM MDT | Tornado Warning | BOU | Elbert | 25 min |
| Jun 26, 7:34 PM MDT | Tornado Warning | BOU | Logan | 41 min |
| Jun 26, 8:15 PM MDT | Tornado Warning | BOU | Logan | 30 min |
| Jun 26, 8:44 PM MDT | Tornado Warning | BOU | Logan, Sedgwick | 46 min |
| Jun 26, 9:14 PM MDT | Tornado Warning | BOU | Logan, Phillips, Sedgwick | 41 min |
| Jun 26, 9:55 PM MDT | Tornado Warning | BOU | Logan, Phillips, Sedgwick | 35 min |
| Jun 26, 10:30 PM MDT | Tornado Warning | BOU | Logan, Phillips | 20 min |
| Jun 27, 10:45 PM MDT | Tornado Warning | BOU | Logan | 30 min |
| Jun 27, 11:13 PM MDT | Tornado Warning | BOU | Logan | 32 min |
| Jun 27, 11:24 PM MDT | Tornado Warning | BOU | Sedgwick | 36 min |
| Jun 27, 11:36 PM MDT | Tornado Warning | BOU | Logan, Morgan | 24 min |
| Jun 27, 11:37 PM MDT | Tornado Warning | BOU | Logan, Phillips | 38 min |
| Jun 27, 11:43 PM MDT | Tornado Warning | BOU | Sedgwick | 32 min |
| Jun 27, 11:56 PM MDT | Tornado Warning | BOU | Logan, Washington | 34 min |
| Jun 27, 11:59 PM MDT | Tornado Warning | BOU | Phillips | 31 min |
| Jun 28, 12:08 AM MDT | Tornado Warning | BOU | Phillips | 37 min |
| Jun 28, 12:23 AM MDT | Tornado Warning | BOU | Phillips | 37 min |
| Jun 28, 12:28 AM MDT | Tornado Warning | BOU | Washington | 32 min |
| Jun 28, 12:37 AM MDT | Tornado Warning | GLD | Yuma | 48 min |
| Jun 29, 2:22 PM MDT | Tornado Warning | PUB | Baca | 48 min |
| Jul 2, 6:09 PM MDT | Tornado Warning | GLD | Yuma | 36 min |
| Jul 19, 3:40 PM MDT | Tornado Warning | BOU | Logan | 35 min |
| Jul 19, 4:18 PM MDT | Tornado Warning | BOU | Logan, Sedgwick | 12 min |
| Jul 24, 6:40 PM MDT | Tornado Warning | BOU | Morgan | 30 min |
| Aug 4, 12:59 PM MDT | Tornado Warning | BOU | Weld | 31 min |
| Aug 10, 4:46 PM MDT | Tornado Warning | BOU | Weld | 29 min |
| Aug 10, 5:15 PM MDT | Tornado Warning | BOU | Weld | 45 min |
| Aug 10, 6:00 PM MDT | Tornado Warning | BOU | Weld | 20 min |
| Aug 10, 7:20 PM MDT | Tornado Warning | GLD | Yuma | 50 min |
| Aug 17, 2:01 PM MDT | Tornado Warning | BOU | Sedgwick | 29 min |
| Aug 17, 2:14 PM MDT | Tornado Warning | BOU | Sedgwick | 31 min |
| Aug 17, 2:45 PM MDT | Tornado Warning | BOU | Sedgwick | 30 min |
| Aug 17, 3:15 PM MDT | Tornado Warning | BOU | Sedgwick | 30 min |
| Aug 19, 6:29 PM MDT | Tornado Warning | PUB | Pueblo | 61 min |
| Aug 28, 2:17 PM MDT | Tornado Warning | BOU | Adams, Arapahoe | 28 min |
| Aug 28, 6:28 PM MDT | Tornado Warning | GLD | Yuma | 32 min |
| Aug 29, 4:49 PM MDT | Tornado Warning | BOU | Washington | 31 min |
| Aug 29, 5:20 PM MDT | Tornado Warning | BOU | Washington | 30 min |
| Aug 29, 6:00 PM MDT | Tornado Warning | BOU | Washington | 30 min |
| Sep 1, 3:14 PM MDT | Tornado Warning | BOU | Weld | 31 min |
| Sep 1, 4:40 PM MDT | Tornado Warning | BOU | Weld | 30 min |
| Sep 1, 5:50 PM MDT | Tornado Warning | BOU | Logan | 40 min |
| Sep 1, 6:12 PM MDT | Tornado Warning | BOU | Logan | 18 min |
| Sep 2, 6:52 PM MDT | Tornado Warning | BOU | Morgan, Weld | 38 min |
| Sep 2, 7:46 PM MDT | Tornado Warning | BOU | Weld | 44 min |
| Sep 2, 8:22 PM MDT | Tornado Warning | BOU | Morgan | 38 min |
| Sep 3, 6:28 PM MDT | Tornado Warning | BOU | Morgan | 32 min |
| Sep 3, 7:02 PM MDT | Tornado Warning | BOU | Logan, Morgan, Washington | 28 min |
| Sep 3, 7:33 PM MDT | Tornado Warning | BOU | Logan, Washington | 42 min |
| Sep 3, 8:15 PM MDT | Tornado Warning | BOU | Logan, Phillips, Sedgwick | 30 min |
| Sep 3, 8:48 PM MDT | Tornado Warning | BOU | Phillips, Sedgwick | 27 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive19982000
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.