Alert archive / Illinois / Johnson County / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in Johnson County, Illinois, 2001
8 severe thunderstorm warnings in 2001. 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 2001. Tap one for its archive.
- Severe Thunderstorm Warnings
- 8
- Busiest month
- May2 severe thunderstorm warnings
- Busiest day
- May 18, 20012 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, 8:44 PM CST | Severe Thunderstorm Warning | PAH | 31 min |
| May 18, 4:52 PM CDT | Severe Thunderstorm Warning | PAH | 38 min |
| May 18, 5:43 PM CDT | Severe Thunderstorm Warning | PAH | 47 min |
| Jul 18, 3:00 PM CDT | Severe Thunderstorm Warning | PAH | 45 min |
| Jul 23, 7:17 PM CDT | Severe Thunderstorm Warning | PAH | 28 min |
| Aug 25, 2:47 PM CDT | Severe Thunderstorm Warning | PAH | 28 min |
| Oct 23, 12:44 PM CDT | Severe Thunderstorm Warning | PAH | 31 min |
| Oct 24, 3:34 PM CDT | Severe Thunderstorm Warning | PAH | 41 min |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20002002
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.