Alert archive / Illinois / Johnson County / Mesoscale Discussions
Mesoscale Discussions in Johnson County, Illinois, 2016
27 mesoscale discussions in 2016. An alert counts here when it covered this county. The archive of mesoscale discussions reaches back to 2003.
Johnson County and its neighbors
Each county as a circle sized by its count in 2016. Tap one for its archive.
- Mesoscale Discussions
- 27
- Busiest month
- July8 mesoscale discussions
- Busiest day
- March 31, 20162 mesoscale discussions
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 |
|---|---|---|---|
| Jan 19, 8:21 PM CST | Mesoscale Discussion | SPC | 3 hr |
| Jan 22, 7:30 AM CST | Mesoscale Discussion | SPC | 4 hr |
| Feb 2, 9:54 AM CST | Mesoscale Discussion | SPC | 96 min |
| Feb 14, 7:14 AM CST | Mesoscale Discussion | SPC | 5 hr |
| Mar 27, 2:23 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 31, 12:36 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Mar 31, 5:09 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Apr 6, 2:40 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 26, 2:42 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 7, 5:32 PM CDT | Mesoscale Discussion | SPC | 118 min |
| May 9, 9:42 PM CDT | Mesoscale Discussion | SPC | 93 min |
| May 11, 11:28 PM CDT | Mesoscale Discussion | SPC | 92 min |
| May 26, 9:05 AM CDT | Mesoscale Discussion | SPC | 85 min |
| Jun 15, 12:05 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Jul 3, 1:45 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 3, 5:23 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Jul 6, 12:53 PM CDT | Mesoscale Discussion | SPC | 67 min |
| Jul 7, 8:10 AM CDT | Mesoscale Discussion | SPC | 95 min |
| Jul 7, 12:16 PM CDT | Mesoscale Discussion | SPC | 59 min |
| Jul 8, 1:59 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 13, 5:08 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 15, 2:15 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 5, 2:28 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 26, 1:13 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Sep 8, 1:01 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Nov 18, 1:19 PM CST | Mesoscale Discussion | SPC | 116 min |
| Dec 17, 5:32 PM CST | Mesoscale Discussion | SPC | 6 hr |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20152017
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.