Alert archive / Illinois / Freeze Warnings / 2009
Freeze Warnings in Illinois, April 2009
7 freeze warnings in April 2009. 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 freeze warnings reaches back to 2005.
Freeze Warnings by county
Each county as a circle sized by its count in April 2009. Tap one for its archive.
- Freeze Warnings
- 7
- Busiest day
- April 7, 20093 freeze warnings
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 5, 4:35 AM CDT | Freeze Warning | LSX | Bond, Calhoun, Jersey, Madison, Monroe, Saint Clair | 28 hr |
| Apr 5, 3:25 PM CDT | Freeze Warning | LSX | Bond, Calhoun, Clinton, Fayette, Jersey, Madison and 5 more | 41 hr |
| Apr 6, 4:26 AM CDT | Freeze Warning | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 29 hr |
| Apr 6, 2:53 PM CDT | Freeze Warning | ILX | Clark, Clay, Crawford, Cumberland, Effingham, Jasper and 2 more | 17 hr |
| Apr 7, 10:58 AM CDT | Freeze Warning | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 22 hr |
| Apr 7, 1:04 PM CDT | Freeze Warning | ILX | Clark, Clay, Crawford, Cumberland, Effingham, Jasper and 2 more | 20 hr |
| Apr 7, 1:05 PM CDT | Freeze Warning | LSX | Bond, Calhoun, Clinton, Fayette, Jersey, Madison and 5 more | 19 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Bond County3
- Calhoun County3
- Jersey County3
- Madison County3
- Monroe County3
- Saint Clair County3
- Clinton County2
- Fayette County2
- Marion County2
- Randolph County2
- Washington County2
- Alexander County2
- Edwards County2
- Franklin County2
- Gallatin County2
- Hamilton County2
- Hardin County2
- Jackson County2
- Jefferson County2
- Johnson County2
- Massac County2
- Perry County2
- Pope County2
- Pulaski County2
- Saline County2
- Union County2
- Wabash County2
- Wayne County2
- White County2
- Williamson County2
- Clark County2
- Clay County2
- Crawford County2
- Cumberland County2
- Effingham County2
- Jasper County2
- Lawrence County2
- Richland County2
Nearby
Alerts in force nowTornadoes on recordThe radar archive20082010
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.