Alert archive / Kansas / Riley County
Weather alerts in Riley County, Kansas, 2015
183 weather alerts in 2015, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Riley County and its neighbors
Each county as a circle sized by its count in 2015. Tap one for its archive.
- Alerts
- 183
- Warnings
- 54
- Watches
- 28
- Advisories
- 37
- Busiest month
- July37 alerts
- Busiest day
- June 5, 201513 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Riley County, 2015
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 24 | 20 | 17% | 18 | 72% | 17 min |
| Flash flood warnings | 7 | 3 | 57% | 4 | 100% | 54 min |
Each office's whole area, 2015
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Topeka, KS: tornado warnings | 32 | 15 | 53% | 23 | 74% | 11 min |
| NWS Topeka, KS: severe thunderstorm warnings | 231 | 136 | 41% | 280 | 86% | 19 min |
| NWS Topeka, KS: flash flood warnings | 35 | 24 | 31% | 57 | 88% | 86 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 2, 3:35 PM CST | Winter Weather Advisory | TOP | 35 hr |
| Jan 3, 3:31 PM CST | Wind Chill Advisory | TOP | 18 hr |
| Jan 6, 3:03 PM CST | Wind Chill Advisory | TOP | 21 hr |
| Jan 7, 3:29 PM CST | Wind Chill Advisory | TOP | 18 hr |
| Jan 25, 3:03 AM CST | Wind Advisory | TOP | 11 hr |
| Feb 1, 9:24 PM CST | Wind Chill Advisory | TOP | 12 hr |
| Feb 3, 3:32 PM CST | Winter Weather Advisory | TOP | 26 hr |
| Feb 15, 3:40 AM CST | Winter Weather Advisory | TOP | 29 hr |
| Feb 16, 3:33 PM CST | Winter Weather Advisory | TOP | 17 hr |
| Feb 17, 10:30 AM CST | Winter Weather Advisory | TOP | 8 hr |
| Feb 27, 3:26 PM CST | Winter Weather Advisory | TOP | 45 hr |
| Mar 14, 3:53 AM CDT | Fire Weather Watch | TOP | 24 hr |
| Mar 14, 3:19 PM CDT | Red Flag Warning | TOP | 29 hr |
| Mar 15, 4:15 AM CDT | Fire Weather Watch | TOP | 23 hr |
| Mar 16, 3:09 AM CDT | Red Flag Warning | TOP | 17 hr |
| Mar 17, 11:10 AM CDT | Red Flag Warning | TOP | 8 hr |
| Mar 25, 3:50 AM CDT | Dense Fog Advisory | TOP | 7 hr |
| Mar 30, 10:01 AM CDT | Red Flag Warning | TOP | 9 hr |
| Apr 2, 1:37 AM CDT | Mesoscale Discussion | SPC | 113 min |
| Apr 2, 2:25 AM CDT | Severe Thunderstorm Warning | TOP | 50 min |
| Apr 3, 3:28 AM CDT | Fire Weather Watch | TOP | 12 hr |
| Apr 3, 3:46 PM CDT | Red Flag Warning | TOP | 28 hr |
| Apr 18, 4:07 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 4, 2:56 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 4, 3:26 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 4, 3:54 PM CDT | Special Weather Statement | TOP | 21 min |
| May 4, 4:16 PM CDT | Special Weather Statement | TOP | 29 min |
| May 4, 4:59 PM CDT | Flash Flood Warning | TOP | 3 hr |
| May 4, 6:30 PM CDT | Mesoscale Discussion | SPC | 90 min |
| May 4, 8:01 PM CDT | Flash Flood Warning | TOP | 3 hr |
| May 4, 8:27 PM CDT | Areal Flood Advisory | TOP | 108 min |
| May 4, 10:37 PM CDT | Areal Flood Advisory | TOP | 4 hr |
| May 4, 11:21 PM CDT | Areal Flood Warning | TOP | 6 hr |
| May 6, 5:36 PM CDT | Mesoscale Discussion | SPC | 84 min |
| May 6, 7:40 PM CDT | Mesoscale Discussion | SPC | 65 min |
| May 6, 8:31 PM CDT | Tornado Watch | SPC | 5 hr |
| May 6, 9:40 PM CDT | Mesoscale Discussion | SPC | 95 min |
| May 6, 11:17 PM CDT | Mesoscale Discussion | SPC | 88 min |
| May 7, 1:44 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 10, 1:47 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| May 22, 3:39 PM CDT | Flash Flood Watch | TOP | 60 hr |
| May 23, 7:05 PM CDT | Special Weather Statement | TOP | 55 min |
| May 25, 2:33 PM CDT | Mesoscale Discussion | SPC | 57 min |
| May 25, 3:43 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 25, 5:03 PM CDT | Severe Thunderstorm Warning | TOP | 42 min |
| May 25, 5:25 PM CDT | Severe Thunderstorm Warning | TOP | 31 min |
| May 25, 5:51 PM CDT | Flash Flood Warning | TOP | 4 hr |
| May 25, 6:39 PM CDT | Mesoscale Discussion | SPC | 96 min |
| May 25, 8:18 PM CDT | Mesoscale Discussion | SPC | 87 min |
| May 27, 3:49 PM CDT | Flash Flood Watch | TOP | 15 hr |
| Jun 3, 2:43 PM CDT | Flash Flood Watch | TOP | 68 hr |
| Jun 3, 3:00 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Jun 3, 6:33 PM CDT | Tornado Watch | SPC | 7 hr |
| Jun 3, 8:20 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Jun 4, 1:56 AM CDT | Mesoscale Discussion | SPC | 94 min |
| Jun 4, 8:55 AM CDT | Special Weather Statement | TOP | 50 min |
| Jun 4, 9:42 AM CDT | Mesoscale Discussion | SPC | 93 min |
| Jun 4, 11:49 AM CDT | Special Weather Statement | TOP | 26 min |
| Jun 4, 12:01 PM CDT | Severe Thunderstorm Warning | TOP | 29 min |
| Jun 4, 12:26 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Jun 4, 8:01 PM CDT | Areal Flood Advisory | TOP | 119 min |
| Jun 4, 8:10 PM CDT | Mesoscale Discussion | SPC | 65 min |
| Jun 4, 9:14 PM CDT | Areal Flood Advisory | TOP | 106 min |
| Jun 5, 12:26 AM CDT | Areal Flood Advisory | TOP | 109 min |
| Jun 5, 12:43 AM CDT | Severe Thunderstorm Warning | TOP | 32 min |
| Jun 5, 12:54 AM CDT | Severe Thunderstorm Warning | TOP | 36 min |
| Jun 5, 1:09 AM CDT | Severe Thunderstorm Warning | TOP | 36 min |
| Jun 5, 1:22 AM CDT | Mesoscale Discussion | SPC | 113 min |
| Jun 5, 1:25 AM CDT | Flash Flood Warning | TOP | 3 hr |
| Jun 5, 1:55 AM CDT | River Flood Warning | TOP | 31 hr |
| Jun 5, 2:02 AM CDT | Flash Flood Warning | TOP | 5 hr |
| Jun 5, 4:29 AM CDT | Areal Flood Warning | TOP | 3 hr |
| Jun 5, 7:30 AM CDT | Areal Flood Warning | TOP | 10 hr |
| Jun 7, 4:10 AM CDT | Flash Flood Watch | TOP | 22 hr |
| Jun 7, 5:31 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Jun 7, 7:23 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 11, 1:01 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Jun 15, 3:27 AM CDT | River Flood Warning | TOP | 22 hr |
| Jun 19, 3:07 PM CDT | Heat Advisory | TOP | 29 hr |
| Jun 21, 3:53 PM CDT | Heat Advisory | TOP | 27 hr |
| Jun 25, 9:06 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Jun 25, 11:33 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Jul 2, 3:35 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 6, 2:39 PM CDT | Severe Thunderstorm Warning | TOP | 51 min |
| Jul 6, 3:37 PM CDT | Areal Flood Advisory | TOP | 3 hr |
| Jul 11, 3:58 AM CDT | Heat Advisory | TOP | 65 hr |
| Jul 12, 3:37 AM CDT | Excessive Heat Warning | TOP | 41 hr |
| Jul 13, 3:39 PM CDT | Heat Advisory | TOP | 29 hr |
| Jul 13, 3:46 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Jul 15, 3:37 AM CDT | Mesoscale Discussion | SPC | 83 min |
| Jul 15, 5:08 AM CDT | Special Weather Statement | TOP | 37 min |
| Jul 15, 5:19 AM CDT | Severe Thunderstorm Warning | TOP | 41 min |
| Jul 15, 5:42 PM CDT | Severe Thunderstorm Warning | TOP | 48 min |
| Jul 15, 5:47 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Jul 15, 6:04 PM CDT | Severe Thunderstorm Warning | TOP | 26 min |
| Jul 15, 6:09 PM CDT | Tornado Watch | SPC | 4 hr |
| Jul 15, 6:27 PM CDT | Severe Thunderstorm Warning | TOP | 48 min |
| Jul 16, 3:35 PM CDT | Heat Advisory | TOP | 53 hr |
| Jul 18, 8:24 PM CDT | Special Weather Statement | TOP | 36 min |
| Jul 18, 8:30 PM CDT | Mesoscale Discussion | SPC | 60 min |
| Jul 19, 2:57 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 19, 5:05 AM CDT | Mesoscale Discussion | SPC | 85 min |
| Jul 19, 5:28 AM CDT | Special Weather Statement | TOP | 47 min |
| Jul 19, 6:10 AM CDT | Special Weather Statement | TOP | 35 min |
| Jul 19, 3:49 PM CDT | Flash Flood Watch | TOP | 16 hr |
| Jul 20, 2:10 AM CDT | Flash Flood Warning | TOP | 4 hr |
| Jul 23, 2:23 PM CDT | Heat Advisory | TOP | 23 hr |
| Jul 24, 3:44 AM CDT | Severe Thunderstorm Warning | TOP | 31 min |
| Jul 24, 4:02 AM CDT | Excessive Heat Warning | TOP | 17 hr |
| Jul 25, 2:55 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Jul 25, 3:20 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 25, 3:28 PM CDT | Heat Advisory | TOP | 28 hr |
| Jul 25, 6:46 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Jul 25, 9:32 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Jul 27, 3:36 AM CDT | Heat Advisory | TOP | 16 hr |
| Jul 27, 3:16 PM CDT | Heat Advisory | TOP | 29 hr |
| Jul 28, 4:50 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 28, 5:46 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 28, 8:04 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Aug 3, 11:44 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 4, 2:56 PM CDT | Special Weather Statement | TOP | 34 min |
| Aug 7, 3:51 PM CDT | Heat Advisory | TOP | 28 hr |
| Aug 8, 1:14 AM CDT | Mesoscale Discussion | SPC | 91 min |
| Aug 8, 3:44 AM CDT | Severe Thunderstorm Warning | TOP | 46 min |
| Aug 8, 3:57 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 18, 2:11 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 18, 3:06 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 22, 2:55 PM CDT | Mesoscale Discussion | SPC | 65 min |
| Aug 22, 3:48 PM CDT | Tornado Watch | SPC | 8 hr |
| Aug 22, 6:21 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Aug 22, 8:31 PM CDT | Severe Thunderstorm Warning | TOP | 29 min |
| Aug 22, 8:49 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Aug 22, 8:59 PM CDT | Severe Thunderstorm Warning | TOP | 46 min |
| Aug 22, 9:38 PM CDT | Special Weather Statement | TOP | 22 min |
| Aug 22, 11:53 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 27, 5:36 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 30, 4:34 AM CDT | Dense Fog Advisory | TOP | 5 hr |
| Sep 7, 3:37 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Sep 7, 6:23 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Sep 7, 8:38 PM CDT | Mesoscale Discussion | SPC | 67 min |
| Sep 10, 1:23 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Sep 10, 2:59 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Sep 10, 5:27 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Sep 10, 6:00 PM CDT | Severe Thunderstorm Warning | TOP | 45 min |
| Sep 10, 6:36 PM CDT | Severe Thunderstorm Warning | TOP | 39 min |
| Sep 10, 7:06 PM CDT | Severe Thunderstorm Warning | TOP | 24 min |
| Sep 10, 7:27 PM CDT | Severe Thunderstorm Warning | TOP | 48 min |
| Sep 10, 7:42 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Sep 10, 7:48 PM CDT | Severe Thunderstorm Warning | TOP | 42 min |
| Sep 10, 7:56 PM CDT | Severe Thunderstorm Warning | TOP | 49 min |
| Sep 10, 8:03 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Sep 10, 8:18 PM CDT | Flash Flood Warning | TOP | 4 hr |
| Sep 10, 8:50 PM CDT | Severe Thunderstorm Warning | TOP | 40 min |
| Sep 10, 9:21 PM CDT | Severe Thunderstorm Warning | TOP | 39 min |
| Oct 18, 4:52 PM CDT | Fire Weather Watch | TOP | 11 hr |
| Oct 19, 3:45 AM CDT | Red Flag Warning | TOP | 15 hr |
| Oct 19, 9:03 AM CDT | Wind Advisory | TOP | 7 hr |
| Oct 24, 2:17 PM CDT | Frost Advisory | TOP | 19 hr |
| Oct 25, 2:40 PM CDT | Frost Advisory | TOP | 17 hr |
| Oct 28, 3:58 AM CDT | Freeze Watch | TOP | 11 hr |
| Oct 28, 3:03 PM CDT | Freeze Warning | TOP | 18 hr |
| Nov 9, 3:04 PM CST | Fire Weather Watch | TOP | 21 hr |
| Nov 10, 11:43 AM CST | Red Flag Warning | TOP | 32 hr |
| Nov 10, 3:18 PM CST | Wind Advisory | TOP | 32 hr |
| Nov 10, 10:25 PM CST | High Wind Warning | TOP | 20 hr |
| Nov 11, 2:14 PM CST | Wind Advisory | TOP | 9 hr |
| Nov 12, 3:51 AM CST | Red Flag Warning | TOP | 13 hr |
| Nov 24, 4:10 PM CST | Winter Storm Watch | TOP | 36 hr |
| Nov 25, 3:51 PM CST | Winter Storm Warning | TOP | 42 hr |
| Nov 26, 2:20 PM CST | Mesoscale Discussion | SPC | 5 hr |
| Nov 26, 3:26 PM CST | Winter Weather Advisory | TOP | 72 hr |
| Nov 26, 7:18 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Nov 29, 2:49 AM CST | Ice Storm Warning | TOP | 9 hr |
| Nov 29, 4:13 AM CST | Mesoscale Discussion | SPC | 5 hr |
| Nov 29, 3:05 PM CST | Winter Storm Warning | TOP | 19 hr |
| Nov 29, 7:52 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Dec 12, 5:42 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Dec 13, 2:09 PM CST | Areal Flood Advisory | TOP | 3 hr |
| Dec 13, 3:41 PM CST | River Flood Warning | TOP | 29 hr |
| Dec 13, 5:49 PM CST | River Flood Warning | TOP | 16 hr |
| Dec 26, 3:41 AM CST | Winter Storm Watch | TOP | 24 hr |
| Dec 27, 4:06 AM CST | Winter Storm Warning | TOP | 34 hr |
| Dec 28, 3:46 AM CST | Winter Weather Advisory | TOP | 14 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20142016
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.