Alert archive / Illinois / Johnson County / 2024
Weather alerts in Johnson County, Illinois, September 2024
4 weather alerts in September 2024, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 4
- Warnings
- 0
- Watches
- 1
- Advisories
- 1
- Busiest day
- September 26, 20242 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 23, 3:32 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 24, 12:56 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Sep 26, 1:54 PM CDT | Flood Watch | PAH | 36 hr |
| Sep 26, 2:04 PM CDT | Wind Advisory | PAH | 35 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 | |
| Mesoscale Discussion | 2 |
| Flooding | |
| Flood Watch | 1 |
| Wind and dust | |
| Wind Advisory | 1 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20232025
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. Rebuilt daily.