Alert archive / Kansas / Allen County
Weather alerts in Allen County, Kansas, 2020
121 weather alerts in 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Allen County and its neighbors
Each county as a circle sized by its count in 2020. Tap one for its archive.
- Alerts
- 121
- Warnings
- 28
- Watches
- 17
- Advisories
- 38
- Busiest month
- May21 alerts
- Busiest day
- May 4, 20207 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Allen County, 2020
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 13 | 12 | 8% | 27 | 100% | 24 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2020
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Wichita, KS: tornado warnings | 2 | 0 | 100% | 0 | ||
| NWS Wichita, KS: severe thunderstorm warnings | 182 | 94 | 48% | 318 | 89% | 24 min |
| NWS Wichita, KS: flash flood warnings | 8 | 4 | 50% | 17 | 88% | 107 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, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 9, 2:18 PM CST | Winter Storm Watch | ICT | 22 hr |
| Jan 10, 4:18 AM CST | Winter Storm Warning | ICT | 34 hr |
| Jan 10, 7:44 AM CST | Severe Thunderstorm Watch | SPC | 67 days |
| Jan 10, 12:11 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Jan 11, 8:21 AM CST | Mesoscale Discussion | SPC | 114 min |
| Jan 12, 8:13 PM CST | Dense Fog Advisory | ICT | 15 hr |
| Jan 13, 5:57 PM CST | Dense Fog Advisory | ICT | 18 hr |
| Jan 15, 3:01 PM CST | Winter Weather Advisory | ICT | 45 hr |
| Jan 16, 9:49 PM CST | Winter Storm Warning | ICT | 14 hr |
| Jan 16, 11:17 PM CST | Mesoscale Discussion | SPC | 4 hr |
| Jan 17, 3:20 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Jan 21, 3:22 PM CST | Winter Weather Advisory | ICT | 24 hr |
| Jan 23, 11:14 AM CST | Winter Weather Advisory | ICT | 18 hr |
| Jan 27, 3:31 PM CST | Winter Weather Advisory | ICT | 38 hr |
| Feb 3, 3:46 PM CST | Winter Weather Advisory | ICT | 46 hr |
| Feb 11, 3:25 PM CST | Winter Weather Advisory | ICT | 32 hr |
| Feb 23, 2:59 PM CST | Flood Watch | ICT | 21 hr |
| Mar 5, 1:57 AM CST | Red Flag Warning | ICT | 16 hr |
| Mar 6, 3:10 PM CST | Fire Weather Watch | ICT | 12 hr |
| Mar 7, 3:14 AM CST | Red Flag Warning | ICT | 16 hr |
| Mar 7, 3:22 PM CST | Fire Weather Watch | ICT | 18 hr |
| Mar 7, 3:27 PM CST | Wind Advisory | ICT | 27 hr |
| Mar 8, 10:00 AM CDT | Red Flag Warning | ICT | 9 hr |
| Mar 11, 2:02 AM CDT | Mesoscale Discussion | SPC | 118 min |
| Mar 18, 3:21 PM CDT | Wind Advisory | ICT | 39 hr |
| Mar 22, 11:24 PM CDT | Dense Fog Advisory | ICT | 14 hr |
| Mar 23, 11:50 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Mar 24, 3:50 AM CDT | Mesoscale Discussion | SPC | 85 min |
| Mar 27, 3:37 PM CDT | Wind Advisory | ICT | 28 hr |
| Mar 28, 7:05 AM CDT | Mesoscale Discussion | SPC | 85 min |
| Apr 3, 10:04 AM CDT | Winter Weather Advisory | ICT | 3 hr |
| Apr 9, 3:37 AM CDT | Freeze Warning | ICT | 28 hr |
| Apr 11, 3:45 PM CDT | Wind Advisory | ICT | 33 hr |
| Apr 12, 3:33 AM CDT | Freeze Warning | ICT | 30 hr |
| Apr 13, 3:30 AM CDT | Freeze Warning | ICT | 30 hr |
| Apr 14, 2:20 PM CDT | Freeze Warning | ICT | 19 hr |
| Apr 17, 3:29 PM CDT | Freeze Warning | ICT | 18 hr |
| Apr 28, 1:55 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Apr 28, 3:30 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Apr 29, 9:31 AM CDT | Wind Advisory | ICT | 8 hr |
| May 3, 6:05 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 3, 7:30 AM CDT | Severe Thunderstorm Warning | ICT | 60 min |
| May 3, 7:58 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| May 3, 8:01 AM CDT | Severe Thunderstorm Warning | ICT | 49 min |
| May 4, 5:50 AM CDT | Mesoscale Discussion | SPC | 55 min |
| May 4, 6:33 AM CDT | Severe Thunderstorm Watch | SPC | 12 hr |
| May 4, 8:42 AM CDT | Special Weather Statement | ICT | 63 min |
| May 4, 8:52 AM CDT | Severe Thunderstorm Warning | ICT | 53 min |
| May 4, 9:00 AM CDT | Mesoscale Discussion | SPC | 90 min |
| May 4, 9:26 AM CDT | Severe Thunderstorm Warning | ICT | 48 min |
| May 4, 10:38 AM CDT | Mesoscale Discussion | SPC | 97 min |
| May 8, 2:56 PM CDT | Frost Advisory | ICT | 17 hr |
| May 14, 2:59 AM CDT | Flash Flood Watch | ICT | 51 hr |
| May 14, 10:58 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 14, 11:17 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 15, 12:31 AM CDT | Severe Thunderstorm Warning | ICT | 59 min |
| May 15, 1:06 AM CDT | Mesoscale Discussion | SPC | 114 min |
| May 15, 1:23 AM CDT | Severe Thunderstorm Warning | ICT | 67 min |
| May 22, 8:02 AM CDT | Special Weather Statement | ICT | 28 min |
| May 24, 3:26 AM CDT | Flash Flood Watch | ICT | 49 hr |
| May 28, 1:24 AM CDT | Dense Fog Advisory | ICT | 7 hr |
| Jun 4, 12:54 AM CDT | Mesoscale Discussion | SPC | 96 min |
| Jun 4, 2:07 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 4, 3:14 AM CDT | Special Weather Statement | ICT | 46 min |
| Jun 4, 3:32 AM CDT | Mesoscale Discussion | SPC | 88 min |
| Jun 5, 2:43 PM CDT | Heat Advisory | ICT | 28 hr |
| Jun 8, 3:29 PM CDT | High Wind Watch | ICT | 12 hr |
| Jun 9, 3:33 AM CDT | Wind Advisory | ICT | 32 hr |
| Jun 27, 5:58 AM CDT | Special Weather Statement | ICT | 62 min |
| Jun 27, 7:08 AM CDT | Special Weather Statement | ICT | 67 min |
| Jun 29, 2:49 PM CDT | Heat Advisory | ICT | 3 days |
| Jul 2, 5:49 PM CDT | Special Weather Statement | ICT | 26 min |
| Jul 2, 6:44 PM CDT | Severe Thunderstorm Warning | ICT | 23 min |
| Jul 9, 1:09 AM CDT | Severe Thunderstorm Watch | SPC | 11 hr |
| Jul 9, 3:10 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 9, 4:29 AM CDT | Special Weather Statement | ICT | 61 min |
| Jul 9, 5:27 AM CDT | Special Weather Statement | ICT | 48 min |
| Jul 11, 12:43 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Jul 11, 3:07 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Jul 11, 3:36 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 11, 3:49 PM CDT | Severe Thunderstorm Warning | ICT | 56 min |
| Jul 11, 4:20 PM CDT | Severe Thunderstorm Warning | ICT | 55 min |
| Jul 11, 5:29 PM CDT | Severe Thunderstorm Warning | ICT | 48 min |
| Jul 14, 3:05 AM CDT | Heat Advisory | ICT | 17 hr |
| Jul 16, 3:01 PM CDT | Heat Advisory | ICT | 53 hr |
| Jul 19, 8:07 PM CDT | Special Weather Statement | ICT | 23 min |
| Jul 19, 8:27 PM CDT | Severe Thunderstorm Warning | ICT | 78 min |
| Aug 9, 5:04 PM CDT | Severe Thunderstorm Warning | ICT | 56 min |
| Aug 9, 5:34 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Aug 9, 5:58 PM CDT | Special Weather Statement | ICT | 32 min |
| Aug 9, 7:10 PM CDT | Special Weather Statement | ICT | 65 min |
| Aug 9, 7:59 PM CDT | Severe Thunderstorm Warning | ICT | 61 min |
| Aug 9, 8:03 PM CDT | Areal Flood Warning | ICT | 87 min |
| Aug 9, 8:56 PM CDT | Special Weather Statement | ICT | 34 min |
| Aug 10, 2:29 PM CDT | Special Weather Statement | ICT | 31 min |
| Aug 10, 2:38 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 10, 4:50 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Aug 29, 8:23 AM CDT | Special Weather Statement | ICT | 52 min |
| Sep 3, 2:50 AM CDT | Dense Fog Advisory | ICT | 6 hr |
| Sep 11, 10:05 PM CDT | Dense Fog Advisory | ICT | 12 hr |
| Oct 10, 3:54 AM CDT | Dense Fog Advisory | ICT | 7 hr |
| Oct 11, 3:22 AM CDT | Wind Advisory | ICT | 26 hr |
| Oct 15, 3:48 AM CDT | Frost Advisory | ICT | 29 hr |
| Oct 16, 3:10 PM CDT | Wind Advisory | ICT | 24 hr |
| Oct 21, 2:02 PM CDT | Wind Advisory | ICT | 27 hr |
| Oct 23, 3:31 AM CDT | Freeze Warning | ICT | 30 hr |
| Oct 25, 4:32 AM CDT | Winter Weather Advisory | ICT | 60 hr |
| Oct 27, 2:54 AM CDT | Flood Watch | ICT | 56 hr |
| Oct 27, 11:01 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Nov 6, 5:46 AM CST | Dense Fog Advisory | ICT | 5 hr |
| Nov 13, 8:20 PM CST | Wind Advisory | ICT | 28 hr |
| Nov 17, 2:36 PM CST | Fire Weather Watch | ICT | 12 hr |
| Nov 17, 2:38 PM CST | Wind Advisory | ICT | 27 hr |
| Nov 18, 2:12 AM CST | Red Flag Warning | ICT | 16 hr |
| Nov 18, 2:30 PM CST | Wind Advisory | ICT | 25 hr |
| Nov 26, 3:01 AM CST | Dense Fog Advisory | ICT | 8 hr |
| Dec 18, 2:37 AM CST | Wind Advisory | ICT | 13 hr |
| Dec 22, 3:48 AM CST | Wind Advisory | ICT | 15 hr |
| Dec 22, 12:25 PM CST | Red Flag Warning | ICT | 6 hr |
| Dec 22, 3:32 PM CST | Wind Advisory | ICT | 26 hr |
| Dec 22, 8:18 PM CST | Red Flag Warning | ICT | 19 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 | 13 |
| Severe Thunderstorm Watch | 8 |
| Mesoscale Discussion | 24 |
| Special Weather Statement | 14 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Watch | 2 |
| Flood Watch | 2 |
| Winter | |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 8 |
| Heat | |
| Heat Advisory | 4 |
| Cold | |
| Freeze Warning | 6 |
| Frost Advisory | 2 |
| Wind and dust | |
| High Wind Watch | 1 |
| Wind Advisory | 15 |
| Fire | |
| Red Flag Warning | 6 |
| Fire Weather Watch | 3 |
| Fog and smoke | |
| Dense Fog Advisory | 9 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20192021
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.