Alert archive / Illinois / Frost Advisories / 2020
Frost Advisories in Illinois, April 2020
7 frost advisories in April 2020. 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 frost advisories reaches back to 2005.
Frost Advisories by county
Each county as a circle sized by its count in April 2020. Tap one for its archive.
- Frost Advisories
- 7
- Busiest day
- April 17, 20203 frost 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 |
|---|---|---|---|---|
| Apr 10, 3:14 AM CDT | Frost Advisory | ILX | Champaign, Clark, Clay, Coles, Crawford, Cumberland and 7 more | 24 hr |
| Apr 10, 3:24 AM CDT | Frost Advisory | PAH | Edwards, Franklin, Gallatin, Hamilton, Hardin, Jefferson and 8 more | 28 hr |
| Apr 15, 1:32 PM CDT | Frost Advisory | PAH | Alexander, Hardin, Johnson, Massac, Pope, Pulaski and 1 more | 17 hr |
| Apr 15, 3:41 PM CDT | Frost Advisory | LSX | Randolph | 16 hr |
| Apr 17, 2:27 AM CDT | Frost Advisory | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 30 hr |
| Apr 17, 11:46 AM CDT | Frost Advisory | LSX | Bond, Clinton, Fayette, Madison, Marion, Monroe and 3 more | 20 hr |
| Apr 17, 12:41 PM CDT | Frost Advisory | ILX | Clark, Clay, Crawford, Cumberland, Effingham, Jasper and 2 more | 20 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Hardin County3
- Johnson County3
- Massac County3
- Pope County3
- Clark County2
- Clay County2
- Crawford County2
- Cumberland County2
- Effingham County2
- Jasper County2
- Lawrence County2
- Richland County2
- Edwards County2
- Franklin County2
- Gallatin County2
- Hamilton County2
- Jefferson County2
- Saline County2
- Wabash County2
- Wayne County2
- White County2
- Williamson County2
- Alexander County2
- Pulaski County2
- Union County2
- Randolph County2
- Champaign County1
- Coles County1
- Douglas County1
- Edgar County1
- Vermilion County1
- Jackson County1
- Perry County1
- Bond County1
- Clinton County1
- Fayette County1
- Madison County1
- Marion County1
- Monroe County1
- Saint Clair County1
1 more counties
Nearby
Alerts in force nowTornadoes on recordThe radar archive20192021
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.