Alert archive / Illinois / McHenry County
Weather alerts in McHenry County, Illinois, 2000
21 weather alerts in 2000, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
McHenry County and its neighbors
Each county as a circle sized by its count in 2000. Tap one for its archive.
- Alerts
- 21
- Warnings
- 8
- Watches
- 13
- Advisories
- 0
- Busiest month
- May9 alerts
- Busiest day
- May 18, 20004 alerts
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 |
|---|---|---|---|
| Mar 8, 2:30 PM CST | Tornado Watch | SPC | 6 hr |
| Apr 20, 12:45 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Apr 20, 4:15 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 8, 7:30 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 8, 2:00 PM CDT | Tornado Watch | SPC | 6 hr |
| May 8, 8:15 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 11, 10:30 PM CDT | Tornado Watch | SPC | 6 hr |
| May 18, 11:59 AM CDT | Severe Thunderstorm Warning | LOT | 31 min |
| May 18, 12:19 PM CDT | Severe Thunderstorm Warning | LOT | 41 min |
| May 18, 12:58 PM CDT | Severe Thunderstorm Warning | LOT | 62 min |
| May 18, 2:42 PM CDT | Severe Thunderstorm Warning | LOT | 48 min |
| May 30, 10:30 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 1, 8:00 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 12, 1:30 PM CDT | Flash Flood Warning | LOT | 3 hr |
| Jul 10, 2:30 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 5, 4:19 PM CDT | Severe Thunderstorm Warning | LOT | 56 min |
| Aug 6, 1:30 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Sep 11, 1:07 PM CDT | Severe Thunderstorm Warning | LOT | 23 min |
| Sep 11, 1:30 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Sep 11, 7:00 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Sep 11, 8:57 PM CDT | Severe Thunderstorm Warning | LOT | 48 min |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 7 |
| Severe Thunderstorm Watch | 10 |
| Tornado Watch | 3 |
| Flooding | |
| Flash Flood Warning | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive19992001
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.