Alert archive / Illinois / McHenry County / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in McHenry County, Illinois, 1998
11 severe thunderstorm warnings in 1998. 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 1998. Tap one for its archive.
- Severe Thunderstorm Warnings
- 11
- Busiest month
- July4 severe thunderstorm warnings
- Busiest day
- July 21, 19982 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 |
|---|---|---|---|
| May 12, 9:38 PM CDT | Severe Thunderstorm Warning | LOT | 62 min |
| May 28, 9:54 PM CDT | Severe Thunderstorm Warning | LOT | 36 min |
| Jun 18, 7:00 PM CDT | Severe Thunderstorm Warning | LOT | 60 min |
| Jun 25, 8:59 PM CDT | Severe Thunderstorm Warning | LOT | 56 min |
| Jun 28, 3:45 AM CDT | Severe Thunderstorm Warning | LOT | 30 min |
| Jul 3, 6:56 PM CDT | Severe Thunderstorm Warning | LOT | 64 min |
| Jul 19, 4:11 AM CDT | Severe Thunderstorm Warning | LOT | 49 min |
| Jul 20, 7:37 PM CDT | Severe Thunderstorm Warning | LOT | 53 min |
| Jul 21, 1:09 PM CDT | Severe Thunderstorm Warning | LOT | 31 min |
| Aug 24, 1:14 PM CDT | Severe Thunderstorm Warning | LOT | 31 min |
| Nov 10, 6:00 AM CST | Severe Thunderstorm Warning | LOT | 45 min |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive19971999
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.