Alert archive / Illinois / Freeze Warnings
Freeze Warnings in Illinois, 2009
12 freeze warnings in 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 2009. Tap one for its archive.
- Freeze Warnings
- 12
- Busiest month
- April7 freeze warnings
- Busiest day
- April 7, 20093 freeze warnings
Over time
By month
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 |
| Oct 9, 4:02 AM CDT | Freeze Warning | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 29 hr |
| Oct 9, 4:00 PM CDT | Freeze Warning | LOT | Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more | 41 hr |
| Oct 10, 2:11 AM CDT | Freeze Warning | ILX | Cass, Champaign, DeWitt, Fulton, Knox, Logan and 15 more | 25 hr |
| Oct 10, 3:55 AM CDT | Freeze Warning | LSX | Adams, Brown, Calhoun, Greene, Jersey, Macoupin and 2 more | 23 hr |
| Nov 4, 3:29 PM CST | Freeze Warning | LSX | Adams, Brown, Pike | 17 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Calhoun County4
- Jersey County4
- Bond 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
- Adams County2
- Brown County2
54 more counties
- Pike County2
- Bureau County1
- Carroll County1
- Hancock County1
- Henderson County1
- Henry County1
- Jo Daviess County1
- McDonough County1
- Mercer County1
- Putnam County1
- Rock Island County1
- Stephenson County1
- Warren County1
- Whiteside County1
- Boone County1
- DeKalb County1
- DuPage County1
- Ford County1
- Grundy County1
- Iroquois County1
- Kane County1
- Kankakee County1
- Kendall County1
- Lake County1
- LaSalle County1
- Lee County1
- Livingston County1
- McHenry County1
- Ogle County1
- Winnebago County1
- Cass County1
- Champaign County1
- DeWitt County1
- Fulton County1
- Knox County1
- Logan County1
- McLean County1
- Macon County1
- Marshall County1
- Mason County1
- Menard County1
- Morgan County1
- Peoria County1
- Piatt County1
- Sangamon County1
- Schuyler County1
- Scott County1
- Stark County1
- Tazewell County1
- Vermilion County1
- Woodford County1
- Greene County1
- Macoupin County1
- Montgomery County1
The busiest days
Days with the most alerts issued, by UTC date.
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. Rebuilt daily.