Alert archive / Illinois / Small Craft Advisories / 2021
Small Craft Advisories in Illinois, December 2021
19 small craft advisories in December 2021. 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 small craft advisories reaches back to 2005.
Small Craft Advisories by county
Each county as a circle sized by its count in December 2021. Tap one for its archive.
- Small Craft Advisories
- 19
- Busiest day
- December 17, 20212 small craft advisories
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 1, 2:54 PM CST | Small Craft Advisory | LOT | 27 hr | |
| Dec 3, 3:17 AM CST | Small Craft Advisory | LOT | 36 hr | |
| Dec 4, 10:16 AM CST | Small Craft Advisory | LOT | 38 hr | |
| Dec 6, 2:57 PM CST | Small Craft Advisory | LOT | 13 hr | |
| Dec 8, 2:58 AM CST | Small Craft Advisory | LOT | 39 hr | |
| Dec 10, 4:11 AM CST | Small Craft Advisory | LOT | 23 hr | |
| Dec 11, 5:56 PM CST | Small Craft Advisory | LOT | 39 hr | |
| Dec 14, 2:50 PM CST | Small Craft Advisory | LOT | 27 hr | |
| Dec 16, 2:56 PM CST | Small Craft Advisory | LOT | 13 hr | |
| Dec 16, 9:02 PM CST | Small Craft Advisory | LOT | 6 hr | |
| Dec 17, 3:42 PM CST | Small Craft Advisory | LOT | 35 hr | |
| Dec 19, 3:04 AM CST | Small Craft Advisory | LOT | 33 hr | |
| Dec 21, 3:46 AM CST | Small Craft Advisory | LOT | 15 hr | |
| Dec 21, 6:16 PM CST | Small Craft Advisory | LOT | 21 hr | |
| Dec 24, 10:04 AM CST | Small Craft Advisory | LOT | 5 hr | |
| Dec 25, 2:42 AM CST | Small Craft Advisory | LOT | 18 hr | |
| Dec 26, 3:12 AM CST | Small Craft Advisory | LOT | 42 hr | |
| Dec 26, 9:11 PM CST | Small Craft Advisory | LOT | 25 hr | |
| Dec 28, 3:42 AM CST | Small Craft Advisory | LOT | 23 hr |
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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.