Alert archive / Illinois / McHenry County / 2011
Weather alerts in McHenry County, Illinois, February 2011
16 weather alerts in February 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 16
- Warnings
- 1
- Watches
- 2
- Advisories
- 9
- Busiest day
- February 2, 20113 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
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 1, 3:36 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 2, 2:33 AM CST | Mesoscale Discussion | SPC | 4 hr |
| Feb 2, 4:31 AM CST | Wind Chill Watch | LOT | 11 hr |
| Feb 2, 3:26 PM CST | Wind Chill Advisory | LOT | 19 hr |
| Feb 8, 3:50 AM CST | Wind Chill Advisory | LOT | 29 hr |
| Feb 9, 3:09 PM CST | Wind Chill Advisory | LOT | 19 hr |
| Feb 16, 8:32 PM CST | Dense Fog Advisory | LOT | 6 hr |
| Feb 19, 4:44 AM CST | Winter Storm Watch | LOT | 11 hr |
| Feb 19, 3:51 PM CST | Winter Storm Warning | LOT | 18 hr |
| Feb 20, 4:35 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 20, 9:30 PM CST | Winter Weather Advisory | LOT | 14 hr |
| Feb 21, 4:18 AM CST | Winter Weather Advisory | LOT | 24 hr |
| Feb 24, 4:12 AM CST | Winter Weather Advisory | LOT | 27 hr |
| Feb 26, 9:12 PM CST | Freezing Rain Advisory | LOT | 7 hr |
| Feb 27, 3:37 PM CST | Winter Weather Advisory | LOT | 12 hr |
| Feb 27, 8:49 PM CST | Mesoscale Discussion | SPC | 6 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Mesoscale Discussion | 4 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Freezing Rain Advisory | 1 |
| Winter Weather Advisory | 4 |
| Cold | |
| Wind Chill Watch | 1 |
| Wind Chill Advisory | 3 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20102012
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.