Alert archive / Kansas / Brown County
Weather alerts in Brown County, Kansas, 2026
149 weather alerts in 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Brown County and its neighbors
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Alerts
- 149
- Warnings
- 42
- Watches
- 29
- Advisories
- 32
- Busiest month
- June40 alerts
- Busiest day
- June 5, 202610 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 1 tornado warnings covering Brown County in 2026 had a tornado report inside them.
Brown County, 2026
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 24 | 4 | 83% | 3 | 100% | 19 min |
| Flash flood warnings | 3 | 0 | 100% | 0 |
Each office's whole area, 2026
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Topeka, KS: tornado warnings | 70 | 14 | 80% | 20 | 90% | 19 min |
| NWS Topeka, KS: severe thunderstorm warnings | 414 | 171 | 59% | 407 | 88% | 24 min |
| NWS Topeka, KS: flash flood warnings | 38 | 10 | 74% | 34 | 94% | 65 min |
An office's figures cover every county it serves, including across state lines.
The year is still running; reports filed late and damage surveys can still change these figures.
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 5, 9:06 PM CST | Dense Fog Advisory | TOP | 7 hr |
| Jan 16, 3:56 PM CST | Special Weather Statement | TOP | 64 min |
| Jan 16, 8:12 PM CST | Special Weather Statement | TOP | 63 min |
| Jan 22, 2:53 AM CST | Cold Weather Advisory | TOP | 4 days |
| Jan 22, 1:08 PM CST | Winter Weather Advisory | TOP | 61 hr |
| Feb 15, 1:32 AM CST | Dense Fog Advisory | TOP | 8 hr |
| Feb 16, 2:53 AM CST | Fire Weather Watch | TOP | 24 hr |
| Feb 28, 12:02 PM CST | Winter Weather Advisory | TOP | 42 hr |
| Mar 4, 10:09 PM CST | Dense Fog Advisory | TOP | 11 hr |
| Mar 6, 1:50 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Mar 6, 3:16 PM CST | Tornado Watch | SPC | 9 hr |
| Mar 6, 5:23 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Mar 6, 8:58 PM CST | Special Weather Statement | TOP | 32 min |
| Mar 6, 9:43 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Mar 11, 1:17 AM CDT | Fire Weather Watch | TOP | 12 hr |
| Mar 11, 12:57 PM CDT | Red Flag Warning | TOP | 35 hr |
| Mar 12, 11:27 AM CDT | Wind Advisory | TOP | 15 hr |
| Mar 13, 1:35 PM CDT | High Wind Watch | TOP | 22 hr |
| Mar 14, 11:14 AM CDT | High Wind Warning | TOP | 36 hr |
| Mar 14, 11:14 AM CDT | Wind Advisory | TOP | 38 hr |
| Mar 15, 9:00 AM CDT | Winter Weather Advisory | TOP | 11 hr |
| Mar 19, 1:34 PM CDT | Fire Weather Watch | TOP | 47 hr |
| Mar 20, 11:32 AM CDT | Red Flag Warning | TOP | 34 hr |
| Mar 21, 12:58 PM CDT | Red Flag Warning | TOP | 30 hr |
| Mar 25, 12:06 PM CDT | Fire Weather Watch | TOP | 13 hr |
| Mar 26, 1:31 AM CDT | Red Flag Warning | TOP | 18 hr |
| Mar 26, 1:37 PM CDT | Fire Weather Watch | TOP | 21 hr |
| Mar 26, 1:37 PM CDT | Red Flag Warning | TOP | 31 hr |
| Mar 27, 10:57 AM CDT | Red Flag Warning | TOP | 35 hr |
| Apr 3, 1:26 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 3, 2:37 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 9, 5:11 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 10, 1:22 AM CDT | Areal Flood Advisory | TOP | 3 hr |
| Apr 11, 5:31 PM CDT | Special Weather Statement | TOP | 29 min |
| Apr 14, 7:28 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 14, 9:56 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Apr 17, 12:42 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Apr 17, 1:40 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 23, 1:00 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 23, 2:04 PM CDT | Tornado Watch | SPC | 9 hr |
| Apr 23, 6:21 PM CDT | Severe Thunderstorm Warning | TOP | 39 min |
| Apr 23, 6:53 PM CDT | Severe Thunderstorm Warning | TOP | 37 min |
| Apr 23, 7:24 PM CDT | Severe Thunderstorm Warning | TOP | 36 min |
| Apr 25, 6:21 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Apr 26, 11:03 AM CDT | Flood Watch | TOP | 20 hr |
| Apr 26, 11:24 AM CDT | Mesoscale Discussion | SPC | 96 min |
| Apr 26, 12:07 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Apr 26, 8:38 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 26, 9:11 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 1, 1:33 PM CDT | Frost Advisory | TOP | 18 hr |
| May 16, 12:17 PM CDT | Wind Advisory | TOP | 33 hr |
| May 16, 5:08 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| May 17, 12:33 AM CDT | Mesoscale Discussion | SPC | 87 min |
| May 17, 12:47 AM CDT | Severe Thunderstorm Warning | TOP | 43 min |
| May 17, 1:25 AM CDT | Severe Thunderstorm Warning | TOP | 35 min |
| May 17, 12:06 PM CDT | Flood Watch | TOP | 38 hr |
| May 17, 3:16 PM CDT | Tornado Watch | SPC | 8 hr |
| May 17, 10:25 PM CDT | Special Weather Statement | TOP | 65 min |
| May 17, 10:56 PM CDT | Severe Thunderstorm Warning | TOP | 32 min |
| May 18, 11:59 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 18, 12:50 PM CDT | Tornado Watch | SPC | 7 hr |
| May 18, 5:45 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 18, 6:49 PM CDT | Tornado Warning | TOP | 26 min |
| May 18, 6:54 PM CDT | Severe Thunderstorm Warning | TOP | 36 min |
| May 18, 7:20 PM CDT | Severe Thunderstorm Warning | TOP | 40 min |
| May 18, 7:27 PM CDT | Severe Thunderstorm Warning | TOP | 33 min |
| May 30, 9:25 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 4, 3:45 AM CDT | Flood Watch | TOP | 24 hr |
| Jun 4, 1:29 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 4, 4:07 PM CDT | Severe Thunderstorm Warning | TOP | 38 min |
| Jun 4, 4:29 PM CDT | Severe Thunderstorm Warning | TOP | 28 min |
| Jun 4, 5:11 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Jun 4, 9:38 PM CDT | Areal Flood Advisory | TOP | 3 hr |
| Jun 4, 10:51 PM CDT | Flash Flood Warning | TOP | 5 hr |
| Jun 5, 12:24 AM CDT | Flash Flood Warning | TOP | 4 hr |
| Jun 5, 3:56 AM CDT | Areal Flood Warning | TOP | 5 hr |
| Jun 5, 3:59 AM CDT | Areal Flood Warning | TOP | 5 hr |
| Jun 5, 3:59 AM CDT | Areal Flood Warning | TOP | 5 hr |
| Jun 5, 9:10 AM CDT | Areal Flood Warning | TOP | 7 hr |
| Jun 5, 1:08 PM CDT | Flood Watch | TOP | 15 hr |
| Jun 5, 5:48 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 5, 6:46 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Jun 8, 2:00 AM CDT | Heat Advisory | TOP | 41 hr |
| Jun 10, 1:35 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 10, 2:12 PM CDT | Tornado Watch | SPC | 9 hr |
| Jun 10, 5:57 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Jun 10, 6:25 PM CDT | Severe Thunderstorm Warning | TOP | 20 min |
| Jun 10, 8:01 PM CDT | Severe Thunderstorm Warning | TOP | 12 min |
| Jun 10, 8:24 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Jun 13, 8:03 AM CDT | Mesoscale Discussion | SPC | 117 min |
| Jun 13, 1:49 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Jun 13, 2:30 PM CDT | Tornado Watch | SPC | 9 hr |
| Jun 13, 5:39 PM CDT | Severe Thunderstorm Warning | TOP | 36 min |
| Jun 13, 5:58 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Jun 13, 6:07 PM CDT | Severe Thunderstorm Warning | TOP | 23 min |
| Jun 13, 6:36 PM CDT | Severe Thunderstorm Warning | TOP | 39 min |
| Jun 13, 7:08 PM CDT | Severe Thunderstorm Warning | TOP | 37 min |
| Jun 16, 11:45 AM CDT | Wind Advisory | TOP | 27 hr |
| Jun 19, 2:23 AM CDT | Flood Watch | TOP | 55 hr |
| Jun 20, 6:45 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 20, 10:33 PM CDT | Special Weather Statement | TOP | 27 min |
| Jun 20, 10:57 PM CDT | Special Weather Statement | TOP | 33 min |
| Jun 20, 11:05 PM CDT | Severe Thunderstorm Warning | TOP | 25 min |
| Jun 20, 11:54 PM CDT | Areal Flood Advisory | TOP | 7 hr |
| Jun 21, 1:01 AM CDT | Special Weather Statement | TOP | 44 min |
| Jun 27, 1:27 AM CDT | Extreme Heat Watch | TOP | 11 hr |
| Jun 27, 12:48 PM CDT | Extreme Heat Warning | TOP | 3 days |
| Jun 30, 9:20 PM CDT | Heat Advisory | TOP | 5 hr |
| Jul 1, 1:56 AM CDT | Heat Advisory | TOP | 3 days |
| Jul 3, 12:08 PM CDT | Special Weather Statement | TOP | 37 min |
| Jul 3, 9:16 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Jul 3, 11:14 PM CDT | Special Weather Statement | TOP | 46 min |
| Jul 8, 10:08 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 10, 11:44 AM CDT | Areal Flood Advisory | TOP | 3 hr |
| Jul 19, 12:49 AM CDT | Heat Advisory | TOP | 43 hr |
| Jul 24, 1:51 AM CDT | Extreme Heat Watch | TOP | 3 days |
| Jul 24, 11:33 AM CDT | Heat Advisory | TOP | 48 hr |
| Jul 24, 11:33 AM CDT | Extreme Heat Warning | TOP | 3 days |
| Jul 25, 1:10 PM CDT | Heat Advisory | TOP | 13 hr |
| Jul 29, 8:12 AM CDT | Areal Flood Advisory | TOP | 3 hr |
| Jul 31, 1:20 AM CDT | Severe Thunderstorm Warning | TOP | 40 min |
| Jul 31, 1:45 AM CDT | Severe Thunderstorm Warning | TOP | 30 min |
| Aug 9, 12:29 AM CDT | Heat Advisory | TOP | 20 hr |
| Aug 9, 9:07 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Aug 10, 1:34 PM CDT | Heat Advisory | TOP | 54 hr |
| Aug 13, 2:10 AM CDT | Heat Advisory | TOP | 18 hr |
| Aug 14, 11:42 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 16, 2:13 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 19, 2:52 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 19, 3:43 PM CDT | Severe Thunderstorm Warning | TOP | 47 min |
| Aug 19, 3:59 PM CDT | Special Weather Statement | TOP | 46 min |
| Aug 19, 4:16 PM CDT | Severe Thunderstorm Warning | TOP | 44 min |
| Aug 20, 3:48 AM CDT | Dense Fog Advisory | TOP | 6 hr |
| Aug 21, 3:50 PM CDT | Special Weather Statement | TOP | 25 min |
| Aug 26, 3:32 AM CDT | Dense Fog Advisory | TOP | 5 hr |
| Sep 1, 11:47 AM CDT | Heat Advisory | TOP | 48 hr |
| Sep 3, 11:34 AM CDT | Extreme Heat Warning | TOP | 5 days |
| Sep 6, 2:45 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 6, 7:08 PM CDT | Mesoscale Discussion | SPC | 67 min |
| Sep 6, 10:35 PM CDT | Special Weather Statement | TOP | 25 min |
| Sep 14, 12:47 PM CDT | Flood Watch | TOP | 47 hr |
| Sep 16, 12:30 AM CDT | Areal Flood Advisory | TOP | 3 hr |
| Sep 16, 11:14 PM CDT | Dense Fog Advisory | TOP | 11 hr |
| Sep 19, 7:05 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Sep 19, 7:21 PM CDT | Severe Thunderstorm Warning | TOP | 24 min |
| Sep 19, 7:49 PM CDT | Severe Thunderstorm Warning | TOP | 26 min |
| Sep 19, 8:12 PM CDT | Special Weather Statement | TOP | 33 min |
| Sep 19, 8:23 PM CDT | Areal Flood Advisory | TOP | 3 hr |
| Sep 19, 8:41 PM CDT | Flash Flood Warning | TOP | 2 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 | 1 |
| Severe Thunderstorm Watch | 8 |
| Tornado Watch | 7 |
| Mesoscale Discussion | 32 |
| Special Weather Statement | 14 |
| Flooding | |
| Areal Flood Warning | 4 |
| Flash Flood Warning | 3 |
| Flood Watch | 6 |
| Areal Flood Advisory | 7 |
| Winter | |
| Winter Weather Advisory | 3 |
| Heat | |
| Extreme Heat Warning | 3 |
| Extreme Heat Watch | 2 |
| Heat Advisory | 10 |
| Cold | |
| Cold Weather Advisory | 1 |
| Frost Advisory | 1 |
| Wind and dust | |
| High Wind Warning | 1 |
| High Wind Watch | 1 |
| Wind Advisory | 4 |
| Fire | |
| Red Flag Warning | 6 |
| Fire Weather Watch | 5 |
| Fog and smoke | |
| Dense Fog Advisory | 6 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive2025
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.