Alert archive / Illinois / Special Weather Statements / 2017
Special Weather Statements in Illinois, December 2017
6 special weather statements in December 2017. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of special weather statements reaches back to 2006.
Special Weather Statements by county
Each county as a circle sized by its count in December 2017. Tap one for its archive.
- Special Weather Statements
- 6
- Busiest day
- December 5, 20173 special weather statements
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 | Counties | Lasted |
|---|---|---|---|---|
| Dec 4, 5:16 PM CST | Special Weather Statement | DVN | Hancock | 44 min |
| Dec 4, 6:22 PM CST | Special Weather Statement | DVN | Henderson, McDonough, Warren | 38 min |
| Dec 4, 6:26 PM CST | Special Weather Statement | DVN | Henry, Mercer, Rock Island, Whiteside | 79 min |
| Dec 4, 6:44 PM CST | Special Weather Statement | ILX | Knox | 46 min |
| Dec 24, 10:16 AM CST | Special Weather Statement | DVN | Carroll, Jo Daviess, Stephenson | 3 hr |
| Dec 24, 1:31 PM CST | Special Weather Statement | DVN | Carroll, Henry, Mercer, Rock Island, Warren, Whiteside | 3 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
Nearby
Alerts in force nowTornadoes on recordThe 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. Warning verification from the Mesonet's Cow. Rebuilt daily.