Alert archive / Colorado / Severe Thunderstorm Warnings / 2018
Severe Thunderstorm Warnings in Colorado, May 2018
158 severe thunderstorm warnings in May 2018. 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 May 2018. Tap one for its archive.
- Severe Thunderstorm Warnings
- 158
- Busiest day
- May 28, 201831 severe thunderstorm warnings
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 1, 3:14 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Weld | 46 min |
| May 1, 4:51 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 39 min |
| May 1, 5:25 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 50 min |
| May 2, 7:47 PM MDT | Severe Thunderstorm Warning | BOU | Elbert, Lincoln | 43 min |
| May 2, 8:26 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 34 min |
| May 2, 10:08 PM MDT | Severe Thunderstorm Warning | PUB | Crowley, Kiowa | 21 min |
| May 2, 11:16 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne, Kit Carson | 29 min |
| May 10, 4:41 PM MDT | Severe Thunderstorm Warning | BOU | Sedgwick | 17 min |
| May 10, 5:25 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Phillips | 50 min |
| May 10, 5:38 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 32 min |
| May 10, 5:42 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 33 min |
| May 10, 6:32 PM MDT | Severe Thunderstorm Warning | BOU | Phillips | 43 min |
| May 10, 6:43 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 47 min |
| May 10, 7:32 PM MDT | Severe Thunderstorm Warning | BOU | Phillips | 43 min |
| May 10, 10:17 PM MDT | Severe Thunderstorm Warning | BOU | Sedgwick | 12 min |
| May 13, 4:10 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe | 35 min |
| May 13, 4:40 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe, Washington | 20 min |
| May 13, 7:30 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe, Elbert | 30 min |
| May 13, 7:40 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe, Elbert | 35 min |
| May 13, 8:07 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe, Elbert | 23 min |
| May 14, 12:47 PM MDT | Severe Thunderstorm Warning | BOU | Douglas | 43 min |
| May 14, 1:22 PM MDT | Severe Thunderstorm Warning | BOU | Douglas, Elbert | 38 min |
| May 14, 1:45 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe | 30 min |
| May 14, 1:58 PM MDT | Severe Thunderstorm Warning | BOU | Elbert | 32 min |
| May 14, 2:06 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe, Elbert | 39 min |
| May 14, 2:07 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe, Elbert | 38 min |
| May 14, 2:17 PM MDT | Severe Thunderstorm Warning | BOU | Elbert | 28 min |
| May 14, 2:26 PM MDT | Severe Thunderstorm Warning | BOU | Elbert | 34 min |
| May 14, 2:41 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe, Elbert, Lincoln | 49 min |
| May 14, 3:21 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 39 min |
| May 14, 3:50 PM MDT | Severe Thunderstorm Warning | BOU | Larimer, Weld | 40 min |
| May 14, 3:58 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 47 min |
| May 14, 4:35 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne, Kit Carson | 40 min |
| May 14, 5:13 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne, Kit Carson | 47 min |
| May 14, 5:52 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 23 min |
| May 14, 7:01 PM MDT | Severe Thunderstorm Warning | BOU | Phillips, Sedgwick | 44 min |
| May 15, 3:27 PM MDT | Severe Thunderstorm Warning | PUB | Las Animas | 11 min |
| May 15, 4:55 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Otero | 35 min |
| May 15, 5:13 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 32 min |
| May 15, 5:14 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe, Elbert | 34 min |
| May 15, 5:51 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 24 min |
| May 15, 10:18 PM MDT | Severe Thunderstorm Warning | BOU | Logan | 42 min |
| May 15, 10:52 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 38 min |
| May 15, 11:28 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 47 min |
| May 18, 12:46 AM MDT | Severe Thunderstorm Warning | BOU | Logan | 44 min |
| May 18, 2:16 PM MDT | Severe Thunderstorm Warning | PUB | Custer, Fremont | 29 min |
| May 18, 2:40 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 35 min |
| May 18, 2:44 PM MDT | Severe Thunderstorm Warning | PUB | Custer, Fremont | 31 min |
| May 18, 2:55 PM MDT | Severe Thunderstorm Warning | PUB | El Paso, Teller | 35 min |
| May 18, 3:12 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 48 min |
| May 18, 3:22 PM MDT | Severe Thunderstorm Warning | PUB | Custer, Fremont, Pueblo | 38 min |
| May 18, 3:54 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 51 min |
| May 18, 3:55 PM MDT | Severe Thunderstorm Warning | PUB | Custer, Fremont, Pueblo | 35 min |
| May 18, 4:55 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Las Animas, Otero | 50 min |
| May 18, 5:29 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Otero | 46 min |
| May 18, 5:34 PM MDT | Severe Thunderstorm Warning | PUB | Fremont, Pueblo | 26 min |
| May 18, 5:44 PM MDT | Severe Thunderstorm Warning | PUB | Baca, Bent, Las Animas | 35 min |
| May 18, 5:59 PM MDT | Severe Thunderstorm Warning | PUB | Fremont, Pueblo | 46 min |
| May 18, 6:04 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Kiowa, Prowers | 41 min |
| May 18, 6:24 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 51 min |
| May 18, 6:42 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa | 48 min |
| May 18, 6:44 PM MDT | Severe Thunderstorm Warning | PUB | Pueblo | 22 min |
| May 18, 6:46 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa, Prowers | 29 min |
| May 18, 7:09 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa, Prowers | 51 min |
| May 18, 7:17 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 58 min |
| May 18, 7:47 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 43 min |
| May 18, 8:02 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne, Kit Carson | 58 min |
| May 19, 3:14 PM MDT | Severe Thunderstorm Warning | PUB | Custer, Pueblo | 17 min |
| May 21, 8:14 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Weld | 46 min |
| May 22, 4:55 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Crowley, Kiowa, Otero | 35 min |
| May 22, 4:56 PM MDT | Severe Thunderstorm Warning | BOU | Boulder, Broomfield, Larimer, Weld | 26 min |
| May 22, 5:48 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa | 42 min |
| May 22, 6:01 PM MDT | Severe Thunderstorm Warning | BOU | Larimer | 44 min |
| May 23, 4:37 PM MDT | Severe Thunderstorm Warning | PUB | Las Animas | 38 min |
| May 23, 5:14 PM MDT | Severe Thunderstorm Warning | PUB | Las Animas | 29 min |
| May 24, 12:29 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 46 min |
| May 24, 3:01 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa | 44 min |
| May 24, 3:51 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 24 min |
| May 24, 3:52 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa | 38 min |
| May 24, 3:57 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne, Kit Carson | 33 min |
| May 24, 4:14 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 31 min |
| May 24, 4:29 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 31 min |
| May 24, 4:57 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 48 min |
| May 24, 5:00 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 30 min |
| May 24, 5:28 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 32 min |
| May 24, 5:58 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 47 min |
| May 24, 6:41 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 24 min |
| May 25, 4:16 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa, Prowers | 33 min |
| May 25, 4:20 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 25 min |
| May 27, 2:14 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 31 min |
| May 27, 2:23 PM MDT | Severe Thunderstorm Warning | BOU | Phillips | 50 min |
| May 27, 2:23 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 22 min |
| May 27, 2:23 PM MDT | Severe Thunderstorm Warning | PUB | Crowley | 37 min |
| May 27, 2:44 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Weld | 31 min |
| May 27, 2:47 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 31 min |
| May 27, 3:02 PM MDT | Severe Thunderstorm Warning | PUB | Crowley, Kiowa | 28 min |
| May 27, 3:06 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 24 min |
| May 27, 4:20 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 40 min |
| May 27, 4:34 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 26 min |
| May 27, 4:56 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 34 min |
| May 27, 5:28 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson, Yuma | 32 min |
| May 27, 5:38 PM MDT | Severe Thunderstorm Warning | BOU | Logan | 52 min |
| May 27, 5:41 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne, Kit Carson | 34 min |
| May 27, 6:09 PM MDT | Severe Thunderstorm Warning | BOU | Phillips, Sedgwick | 33 min |
| May 27, 6:10 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 20 min |
| May 27, 6:14 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 31 min |
| May 27, 6:19 PM MDT | Severe Thunderstorm Warning | BOU | Sedgwick | 26 min |
| May 27, 6:41 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 34 min |
| May 27, 6:47 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 28 min |
| May 27, 7:12 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 33 min |
| May 27, 7:14 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 31 min |
| May 27, 7:37 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson, Yuma | 23 min |
| May 27, 7:43 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson, Yuma | 17 min |
| May 27, 8:00 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson, Yuma | 45 min |
| May 27, 8:39 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 51 min |
| May 28, 1:52 PM MDT | Severe Thunderstorm Warning | BOU | Park | 23 min |
| May 28, 2:37 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 23 min |
| May 28, 3:00 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 45 min |
| May 28, 3:25 PM MDT | Severe Thunderstorm Warning | BOU | Clear Creek, Jefferson, Park | 50 min |
| May 28, 3:49 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 41 min |
| May 28, 4:03 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 42 min |
| May 28, 4:03 PM MDT | Severe Thunderstorm Warning | PUB | Baca | 27 min |
| May 28, 4:10 PM MDT | Severe Thunderstorm Warning | PUB | El Paso, Fremont, Pueblo | 35 min |
| May 28, 4:13 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe, Denver, Jefferson | 47 min |
| May 28, 4:18 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 42 min |
| May 28, 4:23 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 37 min |
| May 28, 4:26 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 34 min |
| May 28, 4:40 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe, Douglas | 50 min |
| May 28, 4:46 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 44 min |
| May 28, 4:57 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 34 min |
| May 28, 4:59 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 46 min |
| May 28, 5:36 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 39 min |
| May 28, 5:46 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 44 min |
| May 28, 5:52 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 53 min |
| May 28, 6:14 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 46 min |
| May 28, 6:28 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 32 min |
| May 28, 6:52 PM MDT | Severe Thunderstorm Warning | BOU | Logan | 23 min |
| May 28, 6:58 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 47 min |
| May 29, 1:43 AM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 32 min |
| May 29, 2:27 AM MDT | Severe Thunderstorm Warning | GLD | Cheyenne, Kit Carson | 33 min |
| May 29, 12:18 PM MDT | Severe Thunderstorm Warning | BOU | Logan | 27 min |
| May 29, 1:31 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 26 min |
| May 29, 1:31 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 44 min |
| May 29, 3:29 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 46 min |
| May 29, 4:37 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 38 min |
| May 29, 5:14 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson, Yuma | 46 min |
| May 29, 5:15 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 45 min |
| May 29, 5:25 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson, Yuma | 30 min |
| May 29, 5:59 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 46 min |
| May 30, 1:56 PM MDT | Severe Thunderstorm Warning | BOU | Elbert | 36 min |
| May 30, 3:32 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 28 min |
| May 30, 3:38 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 22 min |
| May 30, 3:46 PM MDT | Severe Thunderstorm Warning | BOU | Douglas | 24 min |
| May 30, 4:01 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 44 min |
| May 30, 4:01 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 44 min |
| May 30, 5:22 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 38 min |
| May 30, 5:23 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson, Yuma | 52 min |
| May 30, 8:09 PM MDT | Severe Thunderstorm Warning | BOU | Morgan | 20 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Kit Carson County26
- Yuma County22
- El Paso County18
- Cheyenne County15
- Elbert County13
- Arapahoe County12
- Weld County11
- Kiowa County11
- Lincoln County10
- Logan County7
- Washington County7
- Fremont County7
- Pueblo County7
- Phillips County6
- Bent County6
- Sedgwick County5
- Las Animas County5
- Custer County5
- Crowley County4
- Douglas County4
- Otero County4
- Prowers County4
- Adams County3
- Larimer County3
- Morgan County3
- Baca County2
- Park County2
- Jefferson County2
- Teller County1
- Boulder County1
- Broomfield County1
- Clear Creek County1
- Denver County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
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. Warning verification from the Mesonet's Cow. Rebuilt daily.