Alert archive / Colorado / Sedgwick County
Weather alerts in Sedgwick County, Colorado, 2013
130 weather alerts in 2013, 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 2013. Tap one for its archive.
- Alerts
- 130
- Warnings
- 44
- Watches
- 24
- Advisories
- 8
- Busiest month
- June30 alerts
- Busiest day
- June 21, 20137 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
0 of 6 tornado warnings covering Sedgwick County in 2013 had a tornado report inside them.
Sedgwick County, 2013
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 6 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 24 | 4 | 83% | 7 | 43% | 10 min |
| Flash flood warnings | 1 | 0 | 100% | 0 |
Each office's whole area, 2013
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Denver/Boulder, CO: tornado warnings | 61 | 9 | 85% | 16 | 75% | 18 min |
| NWS Denver/Boulder, CO: severe thunderstorm warnings | 227 | 65 | 71% | 173 | 61% | 18 min |
| NWS Denver/Boulder, CO: flash flood warnings | 85 | 19 | 78% | 50 | 82% | 148 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 |
|---|---|---|---|
| Feb 8, 5:22 AM MST | Blizzard Watch | BOU | 24 hr |
| Feb 9, 5:32 AM MST | Blizzard Warning | BOU | 29 hr |
| Feb 19, 4:19 AM MST | Winter Storm Watch | BOU | 30 hr |
| Feb 20, 10:14 AM MST | Winter Storm Warning | BOU | 31 hr |
| Feb 23, 3:41 PM MST | Winter Weather Advisory | BOU | 25 hr |
| Mar 7, 4:21 AM MST | Winter Storm Watch | BOU | 24 hr |
| Mar 8, 4:14 AM MST | Winter Storm Warning | BOU | 37 hr |
| Mar 8, 11:30 AM MST | Blizzard Warning | BOU | 36 hr |
| Mar 9, 6:33 AM MST | Mesoscale Discussion | SPC | 4 hr |
| Mar 21, 4:03 PM MDT | Winter Storm Watch | BOU | 14 hr |
| Mar 22, 6:20 AM MDT | Winter Storm Warning | BOU | 36 hr |
| Apr 7, 4:15 AM MDT | Winter Storm Watch | BOU | 36 hr |
| Apr 8, 2:16 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Apr 8, 4:26 PM MDT | Severe Thunderstorm Warning | BOU | 34 min |
| Apr 8, 4:26 PM MDT | Winter Weather Advisory | BOU | 35 hr |
| Apr 8, 5:09 PM MDT | Mesoscale Discussion | SPC | 66 min |
| Apr 8, 7:43 PM MDT | Mesoscale Discussion | SPC | 62 min |
| Apr 8, 8:20 PM MDT | Severe Thunderstorm Warning | BOU | 40 min |
| Apr 8, 10:01 PM MDT | Severe Thunderstorm Warning | BOU | 29 min |
| Apr 8, 10:15 PM MDT | Mesoscale Discussion | SPC | 90 min |
| Apr 9, 5:46 PM MDT | Mesoscale Discussion | SPC | 5 hr |
| Apr 9, 6:02 PM MDT | Blizzard Warning | BOU | 9 hr |
| Apr 16, 3:52 PM MDT | Blizzard Watch | BOU | 16 hr |
| Apr 16, 3:52 PM MDT | Winter Weather Advisory | BOU | 35 hr |
| May 8, 12:09 AM MDT | Special Weather Statement | BOU | 51 min |
| May 16, 11:38 AM MDT | Special Weather Statement | BOU | 37 min |
| May 16, 11:59 AM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 16, 12:09 PM MDT | Severe Thunderstorm Warning | BOU | 36 min |
| May 18, 1:09 PM MDT | Mesoscale Discussion | SPC | 96 min |
| May 18, 1:42 PM MDT | Tornado Watch | SPC | 8 hr |
| May 18, 4:15 PM MDT | Mesoscale Discussion | SPC | 60 min |
| May 24, 1:57 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| May 24, 2:37 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| May 24, 5:28 PM MDT | Severe Thunderstorm Warning | BOU | 47 min |
| May 24, 6:54 PM MDT | Mesoscale Discussion | SPC | 81 min |
| May 25, 2:27 PM MDT | Mesoscale Discussion | SPC | 93 min |
| May 27, 1:00 PM MDT | Mesoscale Discussion | SPC | 60 min |
| May 27, 1:19 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 27, 4:41 PM MDT | Mesoscale Discussion | SPC | 94 min |
| May 28, 2:08 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 28, 2:51 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| May 28, 5:05 PM MDT | Mesoscale Discussion | SPC | 115 min |
| May 28, 6:27 PM MDT | Tornado Warning | BOU | 48 min |
| May 28, 6:52 PM MDT | Mesoscale Discussion | SPC | 113 min |
| May 28, 7:16 PM MDT | Tornado Warning | BOU | 44 min |
| May 28, 8:46 PM MDT | Severe Thunderstorm Warning | BOU | 44 min |
| May 28, 9:28 PM MDT | Severe Thunderstorm Warning | BOU | 32 min |
| May 28, 10:26 PM MDT | Severe Thunderstorm Warning | BOU | 34 min |
| Jun 3, 7:10 PM MDT | Special Weather Statement | BOU | 35 min |
| Jun 3, 7:21 PM MDT | Severe Thunderstorm Warning | BOU | 24 min |
| Jun 3, 7:45 PM MDT | Severe Thunderstorm Warning | BOU | 30 min |
| Jun 3, 8:31 PM MDT | Severe Thunderstorm Warning | BOU | 29 min |
| Jun 10, 2:35 PM MDT | Mesoscale Discussion | SPC | 115 min |
| Jun 13, 1:14 PM MDT | Mesoscale Discussion | SPC | 91 min |
| Jun 13, 4:04 PM MDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 13, 6:46 PM MDT | Mesoscale Discussion | SPC | 59 min |
| Jun 13, 7:14 PM MDT | Tornado Warning | BOU | 46 min |
| Jun 13, 7:30 PM MDT | Severe Thunderstorm Warning | BOU | 30 min |
| Jun 15, 1:53 PM MDT | Mesoscale Discussion | SPC | 97 min |
| Jun 15, 2:34 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 16, 12:05 PM MDT | Mesoscale Discussion | SPC | 85 min |
| Jun 17, 1:06 PM MDT | Mesoscale Discussion | SPC | 84 min |
| Jun 17, 2:21 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 17, 5:09 PM MDT | Mesoscale Discussion | SPC | 66 min |
| Jun 21, 1:48 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 21, 4:00 PM MDT | Severe Thunderstorm Warning | BOU | 30 min |
| Jun 21, 4:18 PM MDT | Tornado Warning | BOU | 27 min |
| Jun 21, 4:21 PM MDT | Tornado Warning | BOU | 24 min |
| Jun 21, 4:36 PM MDT | Tornado Warning | BOU | 24 min |
| Jun 21, 5:02 PM MDT | Severe Thunderstorm Warning | BOU | 43 min |
| Jun 21, 5:31 PM MDT | Severe Thunderstorm Warning | BOU | 29 min |
| Jun 21, 8:39 PM MDT | Mesoscale Discussion | SPC | 36 min |
| Jun 22, 4:00 PM MDT | Mesoscale Discussion | SPC | 90 min |
| Jun 22, 4:18 PM MDT | Tornado Watch | SPC | 7 hr |
| Jun 22, 6:47 PM MDT | Mesoscale Discussion | SPC | 88 min |
| Jun 22, 7:44 PM MDT | Severe Thunderstorm Warning | BOU | 31 min |
| Jun 23, 4:40 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 23, 7:19 PM MDT | Mesoscale Discussion | SPC | 56 min |
| Jul 7, 4:12 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 7, 8:48 PM MDT | Special Weather Statement | BOU | 27 min |
| Jul 8, 5:10 PM MDT | Severe Thunderstorm Warning | BOU | 50 min |
| Jul 9, 8:07 PM MDT | Special Weather Statement | BOU | 38 min |
| Jul 9, 9:27 PM MDT | Special Weather Statement | BOU | 33 min |
| Jul 10, 1:09 PM MDT | Mesoscale Discussion | SPC | 66 min |
| Jul 10, 1:29 PM MDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Jul 10, 6:33 PM MDT | Mesoscale Discussion | SPC | 87 min |
| Jul 20, 1:06 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 20, 4:03 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 20, 7:23 PM MDT | Mesoscale Discussion | SPC | 97 min |
| Jul 23, 7:56 PM MDT | Severe Thunderstorm Warning | BOU | 34 min |
| Jul 24, 12:18 PM MDT | Mesoscale Discussion | SPC | 87 min |
| Jul 24, 1:43 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 24, 5:37 PM MDT | Mesoscale Discussion | SPC | 83 min |
| Jul 26, 3:11 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 26, 7:18 PM MDT | Mesoscale Discussion | SPC | 87 min |
| Jul 27, 1:42 AM MDT | Mesoscale Discussion | SPC | 93 min |
| Aug 1, 11:53 AM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 1, 4:09 PM MDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 1, 7:06 PM MDT | Mesoscale Discussion | SPC | 54 min |
| Aug 2, 1:26 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 6, 9:21 PM MDT | Mesoscale Discussion | SPC | 84 min |
| Aug 6, 9:24 PM MDT | Severe Thunderstorm Warning | BOU | 51 min |
| Aug 11, 2:08 PM MDT | Mesoscale Discussion | SPC | 97 min |
| Aug 12, 7:25 AM MDT | Dense Fog Advisory | BOU | 95 min |
| Aug 12, 2:35 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 13, 2:05 PM MDT | Mesoscale Discussion | SPC | 115 min |
| Aug 21, 2:56 PM MDT | Mesoscale Discussion | SPC | 94 min |
| Aug 21, 6:14 PM MDT | Severe Thunderstorm Warning | BOU | 31 min |
| Aug 21, 6:40 PM MDT | Severe Thunderstorm Warning | BOU | 50 min |
| Aug 30, 3:33 PM MDT | Severe Thunderstorm Warning | BOU | 27 min |
| Aug 30, 3:44 PM MDT | Flash Flood Warning | BOU | 3 hr |
| Sep 9, 4:09 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| Sep 14, 2:54 PM MDT | River Flood Warning | BOU | 7 days |
| Sep 14, 10:45 PM MDT | Areal Flood Advisory | BOU | 3 hr |
| Sep 15, 9:10 AM MDT | Areal Flood Warning | BOU | 12 hr |
| Sep 18, 7:13 PM MDT | Special Weather Statement | BOU | 47 min |
| Sep 18, 7:59 PM MDT | Special Weather Statement | BOU | 31 min |
| Sep 21, 1:57 PM MDT | Areal Flood Advisory | BOU | 24 hr |
| Sep 22, 4:10 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 3, 10:27 AM MDT | Freeze Watch | BOU | 20 hr |
| Oct 3, 10:27 AM MDT | High Wind Watch | BOU | 5 hr |
| Oct 3, 2:57 PM MDT | High Wind Warning | BOU | 29 hr |
| Oct 4, 6:06 AM MDT | Freeze Warning | BOU | 27 hr |
| Oct 5, 6:05 PM MDT | Freeze Warning | BOU | 15 hr |
| Oct 10, 5:46 PM MDT | Severe Thunderstorm Warning | BOU | 44 min |
| Oct 10, 6:31 PM MDT | Severe Thunderstorm Warning | BOU | 44 min |
| Oct 14, 3:44 PM MDT | Freeze Warning | BOU | 17 hr |
| Oct 15, 9:05 AM MDT | Freeze Warning | BOU | 24 hr |
| Nov 4, 3:50 AM MST | Winter Weather Advisory | BOU | 31 hr |
| Nov 20, 3:07 PM MST | Winter Weather Advisory | BOU | 25 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 | 24 |
| Tornado Warning | 6 |
| Severe Thunderstorm Watch | 14 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 46 |
| Special Weather Statement | 8 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 1 |
| River Flood Warning | 1 |
| Areal Flood Advisory | 2 |
| Winter | |
| Blizzard Warning | 3 |
| Winter Storm Warning | 3 |
| Blizzard Watch | 2 |
| Winter Storm Watch | 4 |
| Winter Weather Advisory | 5 |
| Cold | |
| Freeze Warning | 4 |
| Freeze Watch | 1 |
| Wind and dust | |
| High Wind Warning | 1 |
| High Wind Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20122014
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.