Alert archive / Illinois / 2011
Weather alerts in Illinois, October 2011
56 weather alerts in October 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in October 2011. Tap one for its archive.
- Alerts
- 56
- Warnings
- 16
- Watches
- 6
- Advisories
- 28
- Busiest day
- October 20, 201110 alerts
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 |
|---|---|---|---|---|
| Oct 1, 2:25 PM CDT | Frost Advisory | LSX | Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more | 18 hr |
| Oct 1, 2:47 PM CDT | Frost Advisory | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 17 hr |
| Oct 1, 3:06 PM CDT | Frost Advisory | ILX | Cass, Champaign, Christian, Clark, Clay, Coles and 29 more | 17 hr |
| Oct 1, 3:48 PM CDT | Frost Advisory | LOT | Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 9 more | 16 hr |
| Oct 1, 8:38 PM CDT | Frost Advisory | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 12 more | 11 hr |
| Oct 12, 2:35 PM CDT | Gale Watch | LOT | 24 hr | |
| Oct 13, 3:17 AM CDT | Small Craft Advisory | LOT | 31 hr | |
| Oct 13, 3:02 PM CDT | Gale Warning | LOT | 58 hr | |
| Oct 14, 3:19 PM CDT | Fire Weather Watch | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 36 hr |
| Oct 14, 4:05 PM CDT | Fire Weather Watch | LSX | Randolph | 36 hr |
| Oct 15, 6:33 PM CDT | Small Craft Advisory | LOT | 6 hr | |
| Oct 15, 9:04 PM CDT | Gale Warning | LOT | 42 hr | |
| Oct 16, 10:06 AM CDT | Small Craft Advisory | LOT | 41 hr | |
| Oct 17, 3:10 PM CDT | Gale Watch | LOT | 24 hr | |
| Oct 18, 3:21 AM CDT | Storm Watch | LOT | 11 hr | |
| Oct 18, 1:39 PM CDT | High Wind Watch | LOT | Lake | 14 hr |
| Oct 18, 1:58 PM CDT | Lakeshore Flood Warning | LOT | Lake | 55 hr |
| Oct 18, 2:43 PM CDT | Gale Warning | LOT | 24 hr | |
| Oct 18, 2:43 PM CDT | Storm Warning | LOT | 48 hr | |
| Oct 19, 3:00 AM CDT | Wind Advisory | ILX | Champaign, Clark, Coles, Crawford, Cumberland, DeWitt and 10 more | 24 hr |
| Oct 19, 3:56 AM CDT | High Wind Warning | LOT | Lake | 30 hr |
| Oct 19, 3:56 AM CDT | Wind Advisory | LOT | DuPage, Ford, Grundy, Iroquois, Kane, Kankakee and 3 more | 24 hr |
| Oct 20, 3:07 AM CDT | Frost Advisory | ILX | Christian, DeWitt, Logan, McLean, Macon, Moultrie and 3 more | 30 hr |
| Oct 20, 3:07 AM CDT | Freeze Warning | ILX | Cass, Fulton, Knox, Marshall, Mason, Menard and 7 more | 30 hr |
| Oct 20, 3:20 AM CDT | Freeze Warning | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 30 hr |
| Oct 20, 3:32 AM CDT | Frost Advisory | PAH | Alexander, Franklin, Jackson, Jefferson, Johnson, Massac and 5 more | 28 hr |
| Oct 20, 3:46 AM CDT | Frost Advisory | LOT | Boone, DeKalb, Grundy, Kane, Kendall, LaSalle and 5 more | 29 hr |
| Oct 20, 3:48 AM CDT | Frost Advisory | LSX | Bond, Calhoun, Clinton, Fayette, Greene, Jersey and 8 more | 29 hr |
| Oct 20, 3:48 AM CDT | Freeze Warning | LSX | Adams, Brown, Calhoun, Greene, Pike | 29 hr |
| Oct 20, 9:32 AM CDT | Gale Warning | LOT | 5 hr | |
| Oct 20, 3:01 PM CDT | Gale Warning | LOT | 10 hr | |
| Oct 20, 3:01 PM CDT | Small Craft Advisory | LOT | 24 hr | |
| Oct 21, 3:00 AM CDT | Frost Advisory | ILX | Champaign, Clark, Clay, Coles, Crawford, Cumberland and 7 more | 29 hr |
| Oct 21, 4:25 AM CDT | Frost Advisory | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 28 hr |
| Oct 21, 2:01 PM CDT | Frost Advisory | LOT | DuPage, Ford, Grundy, Iroquois, Kane, Kankakee and 4 more | 18 hr |
| Oct 21, 9:52 PM CDT | Frost Advisory | LSX | Marion | 10 hr |
| Oct 23, 9:49 PM CDT | Special Marine Warning | LOT | 86 min | |
| Oct 23, 9:52 PM CDT | Special Weather Statement | LOT | Lake | 23 min |
| Oct 24, 10:01 PM CDT | Small Craft Advisory | LOT | 59 hr | |
| Oct 25, 6:56 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Cass, Fulton, Hancock and 22 more | 3 hr |
| Oct 25, 8:30 PM CDT | Special Weather Statement | ILX | McLean, Marshall, Tazewell, Woodford | 60 min |
| Oct 25, 9:22 PM CDT | Special Weather Statement | LOT | Grundy, Kendall, LaSalle | 53 min |
| Oct 25, 9:34 PM CDT | Special Weather Statement | ILX | Mason, Schuyler | 56 min |
| Oct 25, 10:33 PM CDT | Special Weather Statement | ILX | Logan, Menard | 57 min |
| Oct 27, 3:55 AM CDT | Frost Advisory | LSX | Adams, Brown, Calhoun, Greene, Jersey, Macoupin and 2 more | 28 hr |
| Oct 27, 2:34 PM CDT | Frost Advisory | ILX | Cass, Champaign, Christian, Clark, Coles, Cumberland and 23 more | 17 hr |
| Oct 27, 2:48 PM CDT | Frost Advisory | LOT | Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more | 16 hr |
| Oct 28, 2:50 PM CDT | Frost Advisory | ILX | Cass, Champaign, Christian, Clark, Clay, Coles and 19 more | 18 hr |
| Oct 28, 2:50 PM CDT | Freeze Warning | ILX | Fulton, Knox, McLean, Marshall, Mason, Peoria and 4 more | 18 hr |
| Oct 28, 3:42 PM CDT | Freeze Warning | LOT | Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more | 17 hr |
| Oct 28, 3:59 PM CDT | Frost Advisory | LSX | Calhoun, Fayette, Greene, Jersey, Macoupin, Montgomery | 16 hr |
| Oct 28, 3:59 PM CDT | Freeze Warning | LSX | Adams, Brown, Pike | 16 hr |
| Oct 29, 3:44 AM CDT | Gale Warning | LOT | 41 hr | |
| Oct 29, 2:48 PM CDT | Frost Advisory | ILX | Champaign, Clark, Clay, Coles, Crawford, Cumberland and 10 more | 17 hr |
| Oct 29, 3:13 PM CDT | Small Craft Advisory | LOT | 36 hr | |
| Oct 29, 3:19 PM CDT | Frost Advisory | LOT | Boone, DeKalb, DuPage, Grundy, Iroquois, Kane and 3 more | 17 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Mesoscale Discussion | 1 |
| Special Weather Statement | 5 |
| Cold | |
| Freeze Warning | 6 |
| Frost Advisory | 20 |
| Wind and dust | |
| High Wind Warning | 1 |
| High Wind Watch | 1 |
| Wind Advisory | 2 |
| Fire | |
| Fire Weather Watch | 2 |
| Coast and beach | |
| Lakeshore Flood Warning | 1 |
| Marine | |
| Gale Warning | 6 |
| Special Marine Warning | 1 |
| Storm Warning | 1 |
| Gale Watch | 2 |
| Storm Watch | 1 |
| Small Craft Advisory | 6 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Grundy County8
- Kendall County8
- Kane County7
- McHenry County7
- Lake County7
- Champaign County6
- Clark County6
- Coles County6
- Cumberland County6
- Douglas County6
- Edgar County6
- McLean County6
- Marshall County6
- Mason County6
- Menard County6
- Moultrie County6
- Piatt County6
- Schuyler County6
- Tazewell County6
- Vermilion County6
- Woodford County6
- DuPage County6
- Iroquois County6
- Kankakee County6
- LaSalle County6
- Livingston County6
- Adams County5
- Brown County5
- Calhoun County5
- Greene County5
- Pike County5
- Cass County5
- Crawford County5
- DeWitt County5
- Fulton County5
- Jasper County5
- Knox County5
- Lawrence County5
- Logan County5
- Macon County5
60 more counties
- Morgan County5
- Peoria County5
- Richland County5
- Scott County5
- Shelby County5
- Stark County5
- Boone County5
- DeKalb County5
- Ford County5
- Lee County5
- Jersey County4
- Macoupin County4
- Montgomery County4
- Christian County4
- Clay County4
- Effingham County4
- Sangamon County4
- Ogle County4
- Winnebago County4
- Alexander County4
- Franklin County4
- Jackson County4
- Jefferson County4
- Johnson County4
- Perry County4
- Pope County4
- Pulaski County4
- Union County4
- Williamson County4
- Fayette County3
- Marion County3
- Randolph County3
- Bureau County3
- Hancock County3
- Henderson County3
- Henry County3
- McDonough County3
- Mercer County3
- Putnam County3
- Rock Island County3
- Warren County3
- Whiteside County3
- Edwards County3
- Gallatin County3
- Hamilton County3
- Hardin County3
- Saline County3
- Wabash County3
- Wayne County3
- White County3
- Massac County3
- Bond County2
- Clinton County2
- Madison County2
- Monroe County2
- Saint Clair County2
- Washington County2
- Carroll County2
- Jo Daviess County2
- Stephenson County2
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
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.