Alert archive / Colorado / 1999
Weather alerts in Colorado, May 1999
115 weather alerts in May 1999, 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 May 1999. Tap one for its archive.
- Alerts
- 115
- Warnings
- 110
- Watches
- 5
- Advisories
- 0
- Busiest day
- May 22, 199921 alerts
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 |
|---|---|---|---|---|
| May 3, 4:45 AM MDT | Flash Flood Warning | BOU | Morgan, Weld | 75 min |
| May 3, 11:05 AM MDT | Flash Flood Warning | BOU | Weld | 7 hr |
| May 3, 3:55 PM MDT | Flash Flood Warning | BOU | Morgan | 2 hr |
| May 3, 4:27 PM MDT | Severe Thunderstorm Warning | GJT | Garfield | 43 min |
| May 5, 9:28 AM MDT | Flash Flood Warning | BOU | Weld | 6 hr |
| May 10, 7:40 PM MDT | Severe Thunderstorm Warning | PUB | Prowers | 55 min |
| May 13, 4:15 PM MDT | Severe Thunderstorm Watch | SPC | Logan, Morgan, Phillips, Sedgwick | 6 hr |
| May 13, 6:45 PM MDT | Severe Thunderstorm Warning | BOU | Phillips, Sedgwick | 45 min |
| May 13, 7:25 PM MDT | Severe Thunderstorm Warning | BOU | Phillips | 20 min |
| May 13, 7:42 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 48 min |
| May 13, 8:40 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 50 min |
| May 14, 3:00 PM MDT | Tornado Watch | SPC | Kit Carson, Logan, Phillips, Sedgwick, Washington, Yuma | 6 hr |
| May 14, 4:13 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 47 min |
| 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 15, 8:28 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Weld | 47 min |
| May 15, 9:12 PM MDT | Severe Thunderstorm Warning | BOU | Morgan | 48 min |
| May 15, 9:56 PM MDT | Severe Thunderstorm Warning | BOU | Morgan | 34 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, 4:07 PM MDT | Severe Thunderstorm Warning | PUB | Crowley, Otero | 58 min |
| May 16, 4:47 PM MDT | Severe Thunderstorm Warning | BOU | Elbert, Lincoln | 43 min |
| May 16, 5:03 PM MDT | Severe Thunderstorm Warning | PUB | Bent | 62 min |
| May 16, 5:03 PM MDT | Severe Thunderstorm Warning | PUB | Crowley, Kiowa, Otero | 62 min |
| May 16, 5:38 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 37 min |
| May 16, 5:56 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 64 min |
| May 16, 5:57 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 63 min |
| May 16, 6:00 PM MDT | Tornado Warning | BOU | Lincoln | 30 min |
| May 16, 6:00 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Kiowa | 60 min |
| May 16, 6:01 PM MDT | Tornado Warning | GLD | Kit Carson | 49 min |
| May 16, 6:20 PM MDT | Severe Thunderstorm Warning | PUB | Prowers | 60 min |
| May 16, 6:42 PM MDT | Tornado Warning | BOU | Elbert | 38 min |
| May 16, 6:47 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 63 min |
| May 16, 6:53 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa, Prowers | 62 min |
| May 16, 6:58 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 47 min |
| May 16, 7:13 PM MDT | Tornado Warning | BOU | Lincoln | 27 min |
| May 19, 3:16 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 29 min |
| May 19, 3:27 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 28 min |
| May 19, 3:37 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 43 min |
| May 19, 3:43 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 47 min |
| May 21, 6:41 PM MDT | Severe Thunderstorm Warning | PUB | El Paso, Fremont | 59 min |
| May 21, 6:58 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Sedgwick | 47 min |
| May 22, 2:00 PM MDT | Tornado Watch | SPC | Adams, Arapahoe, Boulder, Broomfield, Cheyenne, Denver and 14 more | 7 hr |
| May 22, 3:17 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 63 min |
| May 22, 3:23 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Weld | 52 min |
| May 22, 3:36 PM MDT | Severe Thunderstorm Warning | PUB | Baca | 59 min |
| May 22, 3:50 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 60 min |
| May 22, 3:53 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 52 min |
| May 22, 4:04 PM MDT | Severe Thunderstorm Warning | GJT | Dolores, Montezuma | 56 min |
| May 22, 4:14 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 46 min |
| May 22, 4:19 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 61 min |
| May 22, 4:30 PM MDT | Tornado Warning | BOU | Washington | 30 min |
| May 22, 4:39 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa | 61 min |
| May 22, 4:50 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 30 min |
| May 22, 4:58 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 47 min |
| May 22, 4:59 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe | 31 min |
| May 22, 5:23 PM MDT | Tornado Warning | GLD | Kit Carson | 62 min |
| May 22, 5:25 PM MDT | Severe Thunderstorm Warning | BOU | Elbert | 35 min |
| May 22, 5:33 PM MDT | Severe Thunderstorm Warning | BOU | Larimer, Weld | 42 min |
| May 22, 5:46 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 59 min |
| May 22, 5:57 PM MDT | Severe Thunderstorm Warning | BOU | Elbert, Lincoln | 33 min |
| May 22, 6:04 PM MDT | Tornado Warning | BOU | Elbert, Lincoln | 26 min |
| May 22, 6:24 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 61 min |
| May 22, 6:30 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe, Denver | 45 min |
| May 22, 6:34 PM MDT | Severe Thunderstorm Warning | GJT | Delta | 46 min |
| May 23, 2:52 PM MDT | Severe Thunderstorm Warning | BOU | Park | 38 min |
| May 23, 3:10 PM MDT | Severe Thunderstorm Warning | GJT | La Plata | 20 min |
| May 23, 4:36 PM MDT | Severe Thunderstorm Warning | GJT | Mesa | 54 min |
| May 24, 1:30 PM MDT | Tornado Warning | BOU | Arapahoe | 15 min |
| May 24, 1:56 PM MDT | Severe Thunderstorm Warning | BOU | Elbert | 34 min |
| May 24, 2:30 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 65 min |
| May 24, 4:56 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne, Kit Carson | 64 min |
| May 24, 5:52 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 63 min |
| May 24, 5:58 PM MDT | Tornado Warning | BOU | Lincoln | 32 min |
| May 24, 7:07 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 48 min |
| May 27, 12:12 PM MDT | Tornado Warning | PUB | Baca | 48 min |
| May 28, 3:00 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 30 min |
| May 28, 3:28 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 42 min |
| May 28, 4:09 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 31 min |
| May 29, 2:04 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe, Douglas | 41 min |
| May 29, 4:22 PM MDT | Severe Thunderstorm Warning | GJT | Mesa | 63 min |
| May 29, 4:25 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 40 min |
| May 29, 5:15 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Kiowa | 60 min |
| May 29, 5:41 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Washington | 34 min |
| May 29, 6:00 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Washington | 40 min |
| May 29, 6:19 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 26 min |
| May 29, 6:34 PM MDT | Severe Thunderstorm Warning | BOU | Phillips, Sedgwick | 31 min |
| May 29, 6:40 PM MDT | Severe Thunderstorm Warning | PUB | Baca | 60 min |
| May 29, 6:41 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Washington | 34 min |
| May 29, 6:41 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 34 min |
| May 29, 6:55 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 65 min |
| May 29, 7:04 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Phillips, Sedgwick | 41 min |
| May 29, 8:02 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 63 min |
| May 30, 2:35 PM MDT | Tornado Warning | BOU | Weld | 25 min |
| May 30, 3:00 PM MDT | Tornado Watch | SPC | Adams, Arapahoe, Elbert, Kit Carson, Logan, Morgan and 5 more | 6 hr |
| May 30, 3:55 PM MDT | Severe Thunderstorm Warning | BOU | Logan | 35 min |
| May 30, 4:07 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 38 min |
| May 30, 5:48 PM MDT | Severe Thunderstorm Warning | PUB | Baca | 62 min |
| May 30, 6:15 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 45 min |
| May 30, 6:50 PM MDT | Severe Thunderstorm Warning | PUB | Baca | 60 min |
| May 31, 2:11 PM MDT | Severe Thunderstorm Warning | BOU | Larimer | 34 min |
| May 31, 2:35 PM MDT | Severe Thunderstorm Warning | BOU | Larimer | 40 min |
| May 31, 3:00 PM MDT | Tornado Watch | SPC | Adams, Arapahoe, Baca, Bent, Broomfield, Cheyenne and 17 more | 6 hr |
| May 31, 3:04 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 26 min |
| May 31, 3:24 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 36 min |
| May 31, 3:26 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 34 min |
| May 31, 3:45 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 60 min |
| May 31, 3:55 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Weld | 50 min |
| May 31, 4:07 PM MDT | Severe Thunderstorm Warning | BOU | Morgan | 33 min |
| May 31, 4:23 PM MDT | Severe Thunderstorm Warning | BOU | Morgan | 37 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 |
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 | 86 |
| Tornado Warning | 20 |
| Severe Thunderstorm Watch | 1 |
| Tornado Watch | 4 |
| Flooding | |
| Flash Flood Warning | 4 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Kit Carson County18
- Lincoln County16
- Weld County15
- Morgan County14
- Washington County13
- Yuma County12
- Logan County11
- Elbert County11
- Phillips County8
- Sedgwick County8
- Cheyenne County8
- Arapahoe County7
- Kiowa County6
- El Paso County6
- Baca County6
- Prowers County4
- Bent County4
- Adams County4
- Larimer County4
- Crowley County3
- Otero County3
- Denver County3
- Douglas County3
- Broomfield County2
- Mesa County2
- Garfield County1
- Fremont County1
- Boulder County1
- Jefferson County1
- Teller County1
- Dolores County1
- Montezuma County1
- Delta County1
- Park County1
- La Plata County1
- Las Animas County1
- Pueblo County1
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.