Alert archive / Kansas / Johnson County / 2026
Weather alerts in Johnson County, Kansas, September 2026
21 weather alerts in September 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 21
- Warnings
- 9
- Watches
- 2
- Advisories
- 3
- Busiest day
- September 6, 20265 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
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 |
|---|---|---|---|
| Sep 3, 11:30 AM CDT | Extreme Heat Warning | EAX | 57 hr |
| Sep 5, 7:54 PM CDT | Extreme Heat Warning | EAX | 24 hr |
| Sep 6, 2:45 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 6, 4:42 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Sep 6, 6:20 PM CDT | Special Weather Statement | EAX | 25 min |
| Sep 6, 6:34 PM CDT | Severe Thunderstorm Warning | EAX | 41 min |
| Sep 6, 7:08 PM CDT | Mesoscale Discussion | SPC | 67 min |
| Sep 6, 7:37 PM CDT | Special Weather Statement | EAX | 23 min |
| Sep 6, 7:55 PM CDT | Extreme Heat Warning | EAX | 48 hr |
| Sep 6, 8:08 PM CDT | Severe Thunderstorm Warning | EAX | 52 min |
| Sep 6, 9:05 PM CDT | Severe Thunderstorm Warning | EAX | 40 min |
| Sep 10, 10:48 PM CDT | Dense Fog Advisory | EAX | 11 hr |
| Sep 12, 5:54 PM CDT | Special Weather Statement | EAX | 36 min |
| Sep 14, 11:37 AM CDT | Flood Watch | EAX | 48 hr |
| Sep 15, 2:35 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Sep 15, 5:47 PM CDT | Severe Thunderstorm Warning | EAX | 43 min |
| Sep 15, 6:27 PM CDT | Severe Thunderstorm Warning | EAX | 18 min |
| Sep 15, 7:49 PM CDT | Areal Flood Advisory | EAX | 4 hr |
| Sep 15, 8:22 PM CDT | Areal Flood Advisory | EAX | 3 hr |
| Sep 15, 8:48 PM CDT | Flash Flood Warning | EAX | 4 hr |
| Sep 19, 7:05 PM CDT | Mesoscale Discussion | SPC | 85 min |
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 | 5 |
| Severe Thunderstorm Watch | 1 |
| Mesoscale Discussion | 4 |
| Special Weather Statement | 3 |
| Flooding | |
| Flash Flood Warning | 1 |
| Flood Watch | 1 |
| Areal Flood Advisory | 2 |
| Heat | |
| Extreme Heat Warning | 3 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
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.