Alert archive / Illinois / McHenry County / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in McHenry County, Illinois, 2017
21 severe thunderstorm warnings in 2017. An alert counts here when it covered this county. The archive of severe thunderstorm warnings reaches back to 1986.
McHenry County and its neighbors
Each county as a circle sized by its count in 2017. Tap one for its archive.
- Severe Thunderstorm Warnings
- 21
- Busiest month
- June9 severe thunderstorm warnings
- Busiest day
- June 14, 20175 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 28, 5:51 PM CST | Severe Thunderstorm Warning | LOT | 39 min |
| Apr 10, 4:18 PM CDT | Severe Thunderstorm Warning | LOT | 42 min |
| May 17, 9:59 PM CDT | Severe Thunderstorm Warning | LOT | 61 min |
| May 17, 10:43 PM CDT | Severe Thunderstorm Warning | LOT | 47 min |
| Jun 13, 3:10 PM CDT | Severe Thunderstorm Warning | LOT | 30 min |
| Jun 14, 12:11 PM CDT | Severe Thunderstorm Warning | LOT | 49 min |
| Jun 14, 12:47 PM CDT | Severe Thunderstorm Warning | LOT | 43 min |
| Jun 14, 1:28 PM CDT | Severe Thunderstorm Warning | LOT | 47 min |
| Jun 14, 2:40 PM CDT | Severe Thunderstorm Warning | LOT | 35 min |
| Jun 14, 3:34 PM CDT | Severe Thunderstorm Warning | LOT | 31 min |
| Jun 17, 8:25 PM CDT | Severe Thunderstorm Warning | LOT | 29 min |
| Jun 28, 7:55 PM CDT | Severe Thunderstorm Warning | LOT | 65 min |
| Jun 28, 8:38 PM CDT | Severe Thunderstorm Warning | LOT | 52 min |
| Jul 12, 1:05 AM CDT | Severe Thunderstorm Warning | LOT | 40 min |
| Jul 12, 7:04 AM CDT | Severe Thunderstorm Warning | LOT | 71 min |
| Jul 16, 12:59 AM CDT | Severe Thunderstorm Warning | LOT | 35 min |
| Jul 19, 7:54 PM CDT | Severe Thunderstorm Warning | LOT | 51 min |
| Jul 19, 8:34 PM CDT | Severe Thunderstorm Warning | LOT | 56 min |
| Jul 21, 3:08 PM CDT | Severe Thunderstorm Warning | LOT | 37 min |
| Jul 23, 3:45 PM CDT | Severe Thunderstorm Warning | LOT | 45 min |
| Aug 10, 4:06 PM CDT | Severe Thunderstorm Warning | LOT | 24 min |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20162018
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.