Alert archive / Illinois / 2012
Weather alerts in Illinois, February 2012
75 weather alerts in February 2012, 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 February 2012. Tap one for its archive.
- Alerts
- 75
- Warnings
- 22
- Watches
- 5
- Advisories
- 41
- Busiest day
- February 29, 201218 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 |
|---|---|---|---|---|
| Feb 1, 5:24 AM CST | Dense Fog Advisory | DVN | Rock Island | 8 hr |
| Feb 1, 7:47 AM CST | Dense Fog Advisory | PAH | Alexander, Franklin, Gallatin, Hamilton, Jackson, Johnson and 7 more | 3 hr |
| Feb 1, 9:13 AM CST | River Flood Warning | PAH | Hardin, Pope | 3 days |
| Feb 1, 7:31 PM CST | Dense Fog Advisory | DVN | Bureau, Carroll, Henderson, Henry, Jo Daviess, McDonough and 6 more | 18 hr |
| Feb 1, 10:14 PM CST | Dense Fog Advisory | LOT | Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 9 more | 15 hr |
| Feb 2, 12:07 AM CST | Dense Fog Advisory | ILX | Cass, Champaign, Christian, Clark, Clay, Coles and 29 more | 12 hr |
| Feb 2, 3:17 AM CST | Dense Fog Advisory | LSX | Bond, Clinton, Fayette, Macoupin, Madison, Marion and 1 more | 5 hr |
| Feb 2, 4:18 AM CST | Dense Fog Advisory | PAH | Edwards, Wabash, Wayne, White | 6 hr |
| Feb 2, 10:08 AM CST | Dense Fog Advisory | PAH | Wabash | 112 min |
| Feb 2, 6:06 PM CST | Dense Fog Advisory | DVN | Bureau, Carroll, Henderson, Henry, Jo Daviess, Mercer and 5 more | 20 hr |
| Feb 2, 8:43 PM CST | Dense Fog Advisory | LOT | Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 9 more | 15 hr |
| Feb 3, 3:07 AM CST | Dense Fog Advisory | ILX | Knox, McLean, Marshall, Peoria, Stark, Tazewell and 1 more | 8 hr |
| Feb 5, 3:55 AM CST | Dense Fog Advisory | LOT | Iroquois | 8 hr |
| Feb 5, 6:04 AM CST | River Flood Warning | ILX | Clay, Richland | 69 hr |
| Feb 5, 7:34 PM CST | River Flood Warning | LSX | Clinton | 5 days |
| Feb 5, 11:42 PM CST | Dense Fog Advisory | LSX | Adams, Brown, Calhoun, Greene, Jersey, Macoupin and 5 more | 9 hr |
| Feb 6, 2:45 AM CST | Dense Fog Advisory | ILX | Cass, Champaign, Christian, Clark, Clay, Coles and 23 more | 9 hr |
| Feb 6, 2:49 AM CST | Dense Fog Advisory | LOT | Ford, Iroquois, Kankakee, Livingston | 9 hr |
| Feb 6, 3:48 AM CST | Small Craft Advisory | LOT | 54 hr | |
| Feb 8, 3:21 PM CST | Small Craft Advisory | LOT | 52 hr | |
| Feb 9, 3:40 AM CST | Gale Warning | LOT | 23 hr | |
| Feb 9, 4:37 AM CST | Lake Effect Snow Watch | LOT | 22 hr | |
| Feb 10, 2:40 AM CST | Gale Warning | LOT | 31 hr | |
| Feb 10, 2:40 AM CST | Small Craft Advisory | LOT | 3 days | |
| Feb 10, 2:54 AM CST | Winter Weather Advisory | LOT | DuPage, Lake | 18 hr |
| Feb 11, 3:16 AM CST | Gale Warning | LOT | 24 hr | |
| Feb 12, 3:02 PM CST | Winter Weather Advisory | LSX | Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more | 39 hr |
| Feb 13, 4:23 AM CST | Winter Weather Advisory | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 26 hr |
| Feb 16, 1:12 AM CST | Dense Fog Advisory | LOT | Boone, DeKalb, Ford, Grundy, Kane, Kendall and 7 more | 4 hr |
| Feb 17, 1:00 AM CST | Dense Fog Advisory | PAH | Edwards, Franklin, Gallatin, Hamilton, Hardin, Jackson and 10 more | 3 hr |
| Feb 17, 3:55 AM CST | Freezing Fog Advisory | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 5 hr |
| Feb 17, 3:08 PM CST | Small Craft Advisory | LOT | 30 hr | |
| Feb 20, 3:29 AM CST | Small Craft Advisory | LOT | 48 hr | |
| Feb 21, 3:32 AM CST | Small Craft Advisory | LOT | 24 hr | |
| Feb 22, 11:12 AM CST | Winter Storm Watch | DVN | Bureau, Carroll, Henry, Jo Daviess, Mercer, Putnam and 3 more | 16 hr |
| Feb 22, 8:39 PM CST | Winter Storm Watch | LOT | Boone, DeKalb, DuPage, Grundy, Kane, Kendall and 6 more | 15 hr |
| Feb 23, 3:51 AM CST | Small Craft Advisory | LOT | 66 hr | |
| Feb 23, 6:29 AM CST | Dense Fog Advisory | LOT | Boone, DeKalb, DuPage, Grundy, Kane, Kendall and 4 more | 91 min |
| Feb 23, 11:10 AM CST | Winter Weather Advisory | LOT | Boone, DeKalb, DuPage, Kane, Kendall, Lake and 5 more | 25 hr |
| Feb 23, 11:37 AM CST | Winter Weather Advisory | DVN | Bureau, Carroll, Henry, Jo Daviess, Putnam, Rock Island and 2 more | 20 hr |
| Feb 23, 2:21 PM CST | Mesoscale Discussion | SPC | Gallatin, Hamilton, Hardin, Johnson, Massac, Pope and 3 more | 84 min |
| Feb 23, 2:28 PM CST | Wind Advisory | LSX | Clinton, Madison, Monroe, Randolph, Saint Clair, Washington | 16 hr |
| Feb 23, 8:45 PM CST | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, DuPage, Henry and 11 more | 5 hr |
| Feb 24, 3:31 PM CST | Special Weather Statement | DVN | Henry, Putnam | 59 min |
| Feb 24, 4:37 PM CST | Special Weather Statement | DVN | Henry, Putnam | 53 min |
| Feb 25, 3:34 AM CST | Gale Watch | LOT | 11 hr | |
| Feb 25, 2:59 PM CST | Gale Warning | LOT | 30 hr | |
| Feb 26, 3:42 AM CST | Wind Advisory | LOT | Boone, DeKalb, Grundy, Kane, Kendall, LaSalle and 5 more | 12 hr |
| Feb 26, 5:25 AM CST | Red Flag Warning | LSX | Bond, Calhoun, Clinton, Fayette, Jersey, Madison and 5 more | 12 hr |
| Feb 26, 8:42 AM CST | Red Flag Warning | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 9 hr |
| Feb 26, 5:54 PM CST | Small Craft Advisory | LOT | 4 hr | |
| Feb 27, 3:23 AM CST | Small Craft Advisory | LOT | 12 hr | |
| Feb 28, 3:10 AM CST | Gale Warning | LOT | 45 hr | |
| Feb 28, 3:16 PM CST | Wind Advisory | ILX | Cass, Champaign, Christian, Clark, Coles, Cumberland and 23 more | 27 hr |
| Feb 28, 3:47 PM CST | Wind Advisory | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 26 hr |
| Feb 28, 3:51 PM CST | Small Craft Advisory | LOT | 16 hr | |
| Feb 28, 3:55 PM CST | Wind Advisory | LSX | Adams, Brown, Calhoun, Greene, Jersey, Macoupin and 2 more | 26 hr |
| Feb 28, 10:36 PM CST | Severe Thunderstorm Warning | PAH | Gallatin, White | 24 min |
| Feb 29, 12:49 AM CST | Mesoscale Discussion | SPC | Alexander, Bond, Clay, Clinton, Edwards, Franklin and 24 more | 56 min |
| Feb 29, 1:14 AM CST | Tornado Watch | SPC | Alexander, Bond, Clay, Clinton, Crawford, Edwards and 28 more | 11 hr |
| Feb 29, 2:31 AM CST | Severe Thunderstorm Warning | LSX | Monroe, Randolph | 31 min |
| Feb 29, 3:43 AM CST | Tornado Warning | PAH | Union | 32 min |
| Feb 29, 3:53 AM CST | Mesoscale Discussion | SPC | Alexander, Bond, Clay, Clinton, Crawford, Edwards and 25 more | 97 min |
| Feb 29, 3:59 AM CST | Wind Advisory | LOT | DeKalb, DuPage, Ford, Grundy, Iroquois, Kane and 6 more | 14 hr |
| Feb 29, 4:08 AM CST | Tornado Warning | PAH | Jackson, Johnson, Union, Williamson | 22 min |
| Feb 29, 4:25 AM CST | Tornado Warning | PAH | Jackson, Johnson, Saline, Union, Williamson | 35 min |
| Feb 29, 4:43 AM CST | Tornado Warning | PAH | Gallatin, Saline, Williamson | 32 min |
| Feb 29, 4:44 AM CST | Special Weather Statement | ILX | Clark, Crawford, Lawrence | 31 min |
| Feb 29, 4:46 AM CST | Tornado Warning | PAH | Alexander, Pulaski | 29 min |
| Feb 29, 5:04 AM CST | Tornado Warning | PAH | Gallatin, Saline, White | 26 min |
| Feb 29, 5:14 AM CST | Tornado Warning | PAH | Massac, Pulaski | 31 min |
| Feb 29, 5:16 AM CST | Severe Thunderstorm Warning | PAH | Alexander | 29 min |
| Feb 29, 5:46 AM CST | Severe Thunderstorm Warning | PAH | Massac, Pope | 29 min |
| Feb 29, 5:50 AM CST | Severe Thunderstorm Warning | PAH | Massac, Pope | 16 min |
| Feb 29, 11:29 AM CST | Winter Weather Advisory | DVN | Jo Daviess | 7 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 | |
| Severe Thunderstorm Warning | 5 |
| Tornado Warning | 7 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 4 |
| Special Weather Statement | 3 |
| Flooding | |
| River Flood Warning | 3 |
| Winter | |
| Lake Effect Snow Watch | 1 |
| Winter Storm Watch | 2 |
| Winter Weather Advisory | 6 |
| Wind and dust | |
| Wind Advisory | 6 |
| Fire | |
| Red Flag Warning | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 18 |
| Freezing Fog Advisory | 1 |
| Marine | |
| Gale Warning | 5 |
| Gale Watch | 1 |
| Small Craft Advisory | 10 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Gallatin County12
- Pope County12
- Saline County12
- White County12
- Williamson County12
- Johnson County11
- Massac County11
- Union County11
- Jackson County10
- Alexander County9
- Hamilton County9
- Pulaski County9
- Hardin County9
- DeKalb County9
- Kane County9
- Lee County9
- Ogle County9
- Wabash County9
- Franklin County8
- Henry County8
- Boone County8
- DuPage County8
- Kendall County8
- McHenry County8
- Winnebago County8
- Clinton County8
- Edwards County8
- Wayne County8
- Rock Island County7
- Jo Daviess County7
- Putnam County7
- Grundy County7
- LaSalle County7
- Madison County7
- Monroe County7
- Randolph County7
- Jefferson County7
- Perry County7
- Bureau County6
- Carroll County6
60 more counties
- Stephenson County6
- Whiteside County6
- Livingston County6
- Clay County6
- Lawrence County6
- Richland County6
- Bond County6
- Marion County6
- Saint Clair County6
- Washington County6
- Mercer County5
- Ford County5
- Iroquois County5
- Crawford County5
- Fayette County5
- Lake County5
- Kankakee County4
- Clark County4
- Effingham County4
- Jasper County4
- McLean County4
- Tazewell County4
- Woodford County4
- Macoupin County4
- Montgomery County4
- Calhoun County4
- Jersey County4
- Henderson County3
- Warren County3
- Cass County3
- Champaign County3
- Christian County3
- Coles County3
- Cumberland County3
- DeWitt County3
- Douglas County3
- Edgar County3
- Knox County3
- Logan County3
- Macon County3
- Marshall County3
- Mason County3
- Menard County3
- Morgan County3
- Moultrie County3
- Peoria County3
- Piatt County3
- Sangamon County3
- Scott County3
- Shelby County3
- Stark County3
- Vermilion County3
- Adams County3
- Brown County3
- Greene County3
- Pike County3
- McDonough County2
- Fulton County2
- Schuyler County2
- Hancock County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20112013
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.