Alert archive / Colorado / Sedgwick County
Weather alerts in Sedgwick County, Colorado, 2025
136 weather alerts in 2025, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Sedgwick County and its neighbors
Each county as a circle sized by its count in 2025. Tap one for its archive.
- Alerts
- 136
- Warnings
- 30
- Watches
- 31
- Advisories
- 10
- Busiest month
- June32 alerts
- Busiest day
- August 2, 20256 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Sedgwick County, 2025
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 15 | 8 | 47% | 5 | 100% | 31 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2025
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Denver/Boulder, CO: tornado warnings | 32 | 10 | 69% | 25 | 56% | 13 min |
| NWS Denver/Boulder, CO: severe thunderstorm warnings | 363 | 126 | 65% | 369 | 75% | 20 min |
| NWS Denver/Boulder, CO: flash flood warnings | 22 | 2 | 91% | 5 | 60% | 42 min |
An office's figures cover every county it serves, including across state lines.
Verified by the Iowa Environmental Mesonet's Cow, which matches each storm-based warning with the local storm reports inside its polygon while it was in force, within 15 km of its edge: a tornado warning counts as verified on a tornado report, a severe thunderstorm warning on hail of 1 inch or more, a gust of 58 mph or more, or wind damage, a flash flood warning on a flash flood report. The false alarm ratio is the share of warnings with no such report; "inside a warning" is the probability of detection, the share of reports that fell inside one; lead time runs from the warning's issue to each report inside it, counting zero for a report that came first. A warning with no report is not proof nothing happened: reports come from spotters, the public and damage surveys, and are thin where few people live.
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 | Lasted |
|---|---|---|---|
| Jan 3, 1:36 PM MST | Dense Fog Advisory | BOU | 20 hr |
| Jan 3, 1:49 PM MST | Winter Weather Advisory | BOU | 49 hr |
| Jan 17, 2:02 PM MST | Cold Weather Advisory | BOU | 4 days |
| Feb 10, 2:11 PM MST | Winter Weather Advisory | BOU | 43 hr |
| Feb 12, 2:21 AM MST | Cold Weather Advisory | BOU | 30 hr |
| Feb 16, 2:05 PM MST | Extreme Cold Watch | BOU | 13 hr |
| Feb 17, 2:58 AM MST | Extreme Cold Warning | BOU | 3 days |
| Mar 2, 2:34 AM MST | Winter Storm Watch | BOU | 33 hr |
| Mar 3, 2:16 AM MST | Blizzard Warning | BOU | 25 hr |
| Mar 3, 2:20 AM MST | High Wind Warning | BOU | 39 hr |
| Mar 9, 2:03 PM MDT | Red Flag Warning | BOU | 29 hr |
| Mar 12, 1:05 PM MDT | Red Flag Warning | BOU | 30 hr |
| Mar 12, 2:35 PM MDT | High Wind Watch | BOU | 23 hr |
| Mar 13, 1:47 PM MDT | High Wind Warning | BOU | 30 hr |
| Mar 15, 1:40 PM MDT | Fire Weather Watch | BOU | 13 hr |
| Mar 16, 2:48 AM MDT | Red Flag Warning | BOU | 16 hr |
| Mar 16, 1:54 PM MDT | Red Flag Warning | BOU | 29 hr |
| Mar 17, 12:38 PM MDT | Winter Weather Advisory | BOU | 44 hr |
| Mar 18, 3:09 AM MDT | High Wind Warning | BOU | 33 hr |
| Mar 18, 11:32 PM MDT | Mesoscale Discussion | SPC | 4 hr |
| Mar 20, 2:30 AM MDT | Fire Weather Watch | BOU | 24 hr |
| Mar 21, 2:28 AM MDT | Fire Weather Watch | BOU | 13 hr |
| Mar 21, 3:09 PM MDT | Red Flag Warning | BOU | 29 hr |
| Apr 8, 2:01 PM MDT | Red Flag Warning | BOU | 29 hr |
| Apr 20, 12:58 PM MDT | Red Flag Warning | BOU | 30 hr |
| Apr 25, 8:07 PM MDT | Dense Fog Advisory | BOU | 14 hr |
| Apr 27, 2:29 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 27, 3:56 PM MDT | Tornado Watch | SPC | 9 hr |
| May 14, 3:56 PM MDT | Mesoscale Discussion | SPC | 94 min |
| May 14, 4:33 PM MDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 14, 5:22 PM MDT | Severe Thunderstorm Warning | BOU | 38 min |
| May 14, 5:58 PM MDT | Severe Thunderstorm Warning | BOU | 47 min |
| May 14, 6:42 PM MDT | Mesoscale Discussion | SPC | 93 min |
| May 14, 6:43 PM MDT | Severe Thunderstorm Warning | BOU | 47 min |
| May 18, 1:12 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| May 18, 1:57 PM MDT | Tornado Watch | SPC | 6 hr |
| May 18, 4:14 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 18, 4:59 PM MDT | Severe Thunderstorm Warning | BOU | 46 min |
| May 23, 12:53 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| May 23, 2:59 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| May 23, 4:09 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 2, 1:14 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 2, 2:12 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 2, 4:55 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 11, 5:32 PM MDT | Mesoscale Discussion | SPC | 88 min |
| Jun 11, 6:58 PM MDT | Severe Thunderstorm Warning | BOU | 26 min |
| Jun 12, 2:53 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 12, 5:08 PM MDT | Mesoscale Discussion | SPC | 97 min |
| Jun 13, 1:56 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 13, 7:02 PM MDT | Mesoscale Discussion | SPC | 58 min |
| Jun 13, 8:14 PM MDT | Severe Thunderstorm Warning | BOU | 31 min |
| Jun 13, 8:46 PM MDT | Special Weather Statement | BOU | 29 min |
| Jun 14, 12:57 PM MDT | Mesoscale Discussion | SPC | 93 min |
| Jun 15, 2:49 PM MDT | Mesoscale Discussion | SPC | 116 min |
| Jun 15, 4:47 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 15, 6:54 PM MDT | Mesoscale Discussion | SPC | 96 min |
| Jun 16, 4:11 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 16, 6:16 PM MDT | Mesoscale Discussion | SPC | 89 min |
| Jun 17, 4:56 AM MDT | Mesoscale Discussion | SPC | 64 min |
| Jun 17, 3:59 PM MDT | Special Weather Statement | BOU | 46 min |
| Jun 17, 4:08 PM MDT | Severe Thunderstorm Warning | BOU | 22 min |
| Jun 18, 1:51 PM MDT | Heat Advisory | BOU | 3 days |
| Jun 24, 1:09 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 24, 4:05 PM MDT | Mesoscale Discussion | SPC | 115 min |
| Jun 25, 3:42 PM MDT | Mesoscale Discussion | SPC | 93 min |
| Jun 25, 8:50 PM MDT | Special Weather Statement | BOU | 25 min |
| Jun 27, 1:45 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 28, 5:18 PM MDT | Mesoscale Discussion | SPC | 87 min |
| Jun 28, 5:35 PM MDT | Special Weather Statement | BOU | 40 min |
| Jun 28, 5:48 PM MDT | Special Weather Statement | BOU | 42 min |
| Jun 29, 12:52 PM MDT | Mesoscale Discussion | SPC | 113 min |
| Jun 29, 1:45 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 29, 9:10 PM MDT | Mesoscale Discussion | SPC | 65 min |
| Jul 1, 3:43 PM MDT | Mesoscale Discussion | SPC | 92 min |
| Jul 1, 7:57 PM MDT | Special Weather Statement | BOU | 33 min |
| Jul 4, 4:49 PM MDT | Mesoscale Discussion | SPC | 86 min |
| Jul 6, 1:17 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jul 6, 3:31 PM MDT | Severe Thunderstorm Warning | BOU | 44 min |
| Jul 6, 5:03 PM MDT | Mesoscale Discussion | SPC | 87 min |
| Jul 7, 1:23 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 7, 1:49 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 7, 4:28 PM MDT | Mesoscale Discussion | SPC | 92 min |
| Jul 7, 4:59 PM MDT | Special Weather Statement | BOU | 46 min |
| Jul 7, 5:29 PM MDT | Severe Thunderstorm Warning | BOU | 31 min |
| Jul 8, 4:29 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 10, 2:29 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 11, 11:57 AM MDT | Flood Watch | BOU | 11 hr |
| Jul 11, 2:21 PM MDT | Special Weather Statement | BOU | 24 min |
| Jul 11, 2:36 PM MDT | Mesoscale Discussion | SPC | 114 min |
| Jul 11, 4:17 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 11, 7:32 PM MDT | Mesoscale Discussion | SPC | 88 min |
| Jul 19, 1:25 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 19, 8:45 PM MDT | Special Weather Statement | BOU | 45 min |
| Jul 26, 2:48 PM MDT | Mesoscale Discussion | SPC | 57 min |
| Jul 26, 5:54 PM MDT | Special Weather Statement | BOU | 51 min |
| Jul 26, 6:16 PM MDT | Mesoscale Discussion | SPC | 89 min |
| Jul 26, 6:51 PM MDT | Special Weather Statement | BOU | 24 min |
| Jul 31, 8:27 PM MDT | Special Weather Statement | BOU | 48 min |
| Aug 1, 2:46 PM MDT | Tornado Watch | SPC | 7 hr |
| Aug 1, 7:46 PM MDT | Severe Thunderstorm Warning | BOU | 44 min |
| Aug 1, 8:19 PM MDT | Mesoscale Discussion | SPC | 86 min |
| Aug 1, 8:24 PM MDT | Severe Thunderstorm Warning | BOU | 66 min |
| Aug 2, 1:36 PM MDT | Mesoscale Discussion | SPC | 114 min |
| Aug 2, 3:01 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 2, 5:01 PM MDT | Mesoscale Discussion | SPC | 89 min |
| Aug 3, 3:44 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 3, 5:07 PM MDT | Special Weather Statement | BOU | 23 min |
| Aug 3, 5:38 PM MDT | Special Weather Statement | BOU | 37 min |
| Aug 4, 2:07 PM MDT | Mesoscale Discussion | SPC | 113 min |
| Aug 4, 3:03 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 9, 12:53 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 9, 1:52 PM MDT | Severe Thunderstorm Watch | SPC | 12 hr |
| Aug 9, 3:26 PM MDT | Severe Thunderstorm Warning | BOU | 49 min |
| Aug 9, 4:30 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 9, 5:02 PM MDT | Severe Thunderstorm Warning | BOU | 23 min |
| Aug 9, 6:12 PM MDT | Severe Thunderstorm Warning | BOU | 17 min |
| Aug 10, 12:15 PM MDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Aug 10, 7:29 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 14, 5:30 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 18, 4:25 PM MDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Aug 23, 10:30 PM MDT | Severe Thunderstorm Warning | BOU | 45 min |
| Aug 28, 7:31 AM MDT | Special Weather Statement | BOU | 59 min |
| Aug 29, 1:13 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 1, 2:49 AM MDT | Dense Fog Advisory | BOU | 5 hr |
| Sep 9, 4:49 PM MDT | Mesoscale Discussion | SPC | 86 min |
| Sep 11, 2:47 PM MDT | Mesoscale Discussion | SPC | 118 min |
| Sep 16, 1:26 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 16, 2:05 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Sep 16, 4:31 PM MDT | Mesoscale Discussion | SPC | 89 min |
| Sep 20, 4:13 AM MDT | Special Weather Statement | BOU | 92 min |
| Oct 9, 2:39 AM MDT | Dense Fog Advisory | BOU | 7 hr |
| Oct 17, 1:34 PM MDT | Freeze Watch | BOU | 13 hr |
| Oct 18, 2:06 AM MDT | Freeze Warning | BOU | 30 hr |
| Dec 16, 1:51 AM MST | High Wind Warning | BOU | 58 hr |
| Dec 17, 1:35 AM MST | High Wind Watch | BOU | 13 hr |
| Dec 18, 2:31 AM MST | Red Flag Warning | BOU | 14 hr |
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 | 15 |
| Severe Thunderstorm Watch | 19 |
| Tornado Watch | 3 |
| Mesoscale Discussion | 49 |
| Special Weather Statement | 16 |
| Flooding | |
| Flood Watch | 1 |
| Winter | |
| Blizzard Warning | 1 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 3 |
| Heat | |
| Heat Advisory | 1 |
| Cold | |
| Extreme Cold Warning | 1 |
| Freeze Warning | 1 |
| Extreme Cold Watch | 1 |
| Freeze Watch | 1 |
| Cold Weather Advisory | 2 |
| Wind and dust | |
| High Wind Warning | 4 |
| High Wind Watch | 2 |
| Fire | |
| Red Flag Warning | 8 |
| Fire Weather Watch | 3 |
| Fog and smoke | |
| Dense Fog Advisory | 4 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20242026
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.