Alert archive / Illinois / Johnson County / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in Johnson County, Illinois, 2018
10 severe thunderstorm warnings in 2018. An alert counts here when it covered this county. The archive of severe thunderstorm warnings reaches back to 1986.
Johnson County and its neighbors
Each county as a circle sized by its count in 2018. Tap one for its archive.
- Severe Thunderstorm Warnings
- 10
- Busiest month
- June7 severe thunderstorm warnings
- Busiest day
- June 26, 20182 severe thunderstorm warnings
Over time
By month
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 |
|---|---|---|---|
| Feb 24, 4:41 PM CST | Severe Thunderstorm Warning | PAH | 34 min |
| May 14, 9:06 PM CDT | Severe Thunderstorm Warning | PAH | 39 min |
| May 19, 5:23 PM CDT | Severe Thunderstorm Warning | PAH | 37 min |
| May 31, 7:17 PM CDT | Severe Thunderstorm Warning | PAH | 12 min |
| Jun 23, 6:59 PM CDT | Severe Thunderstorm Warning | PAH | 31 min |
| Jun 26, 8:58 AM CDT | Severe Thunderstorm Warning | PAH | 32 min |
| Jun 26, 4:46 PM CDT | Severe Thunderstorm Warning | PAH | 29 min |
| Jun 26, 7:30 PM CDT | Severe Thunderstorm Warning | PAH | 30 min |
| Jun 28, 7:00 PM CDT | Severe Thunderstorm Warning | PAH | 60 min |
| Jun 28, 7:35 PM CDT | Severe Thunderstorm Warning | PAH | 40 min |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20172019
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.