Weather alerts in Illinois, December 2012

Weather alerts by county

Each county as a circle sized by its count in December 2012. Tap one for its archive.

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
Dec 1, 3:44 AM CST	Small Craft Advisory	LOT		24 hr
Dec 1, 10:26 PM CST	Dense Fog Advisory	DVN	Hancock, Henderson, McDonough, Warren	15 hr
Dec 2, 9:36 AM CST	Dense Fog Advisory	LSX	Adams	5 hr
Dec 2, 3:01 PM CST	Small Craft Advisory	LOT		30 hr
Dec 2, 6:25 PM CST	Dense Fog Advisory	LSX	Adams, Brown	10 hr
Dec 2, 6:56 PM CST	Dense Fog Advisory	DVN	Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more	13 hr
Dec 2, 7:01 PM CST	Dense Fog Advisory	LOT	Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more	13 hr
Dec 2, 8:17 PM CST	Dense Fog Advisory	ILX	Cass, Champaign, DeWitt, Fulton, Knox, Logan and 11 more	10 hr
Dec 3, 2:50 AM CST	Marine Dense Fog Advisory	LOT		18 hr
Dec 3, 12:06 PM CST	Marine Dense Fog Advisory	LOT		11 hr
Dec 3, 3:29 PM CST	Mesoscale Discussion	SPC	Adams, Boone, Brown, Bureau, Carroll, Cass and 35 more	91 min
Dec 3, 4:45 PM CST	Special Weather Statement	LOT	Ogle, Winnebago	45 min
Dec 3, 5:02 PM CST	Tornado Warning	LOT	Ogle	28 min
Dec 3, 5:28 PM CST	Special Weather Statement	LOT	Boone, Winnebago	47 min
Dec 3, 6:13 PM CST	Special Weather Statement	LOT	McHenry	32 min
Dec 3, 8:37 PM CST	Gale Warning	LOT		4 hr
Dec 4, 12:29 AM CST	Small Craft Advisory	LOT		3 hr
Dec 4, 3:28 PM CST	Small Craft Advisory	LOT		21 hr
Dec 4, 8:34 PM CST	Gale Watch	LOT		7 hr
Dec 5, 3:05 AM CST	Gale Warning	LOT		39 hr
Dec 5, 3:16 PM CST	Small Craft Advisory	LOT		24 hr
Dec 7, 3:24 AM CST	Dense Fog Advisory	PAH	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	6 hr
Dec 7, 4:41 AM CST	Dense Fog Advisory	ILX	Clark, Clay, Crawford, Cumberland, Effingham, Jasper and 2 more	4 hr
Dec 7, 9:27 PM CST	Small Craft Advisory	LOT		24 hr
Dec 8, 9:23 PM CST	Small Craft Advisory	LOT		55 hr
Dec 9, 12:38 PM CST	Mesoscale Discussion	SPC	Alexander, Massac, Pulaski	2 hr
Dec 9, 2:10 PM CST	Tornado Watch	SPC	Alexander, Johnson, Massac, Pope, Pulaski, Union	9 hr
Dec 9, 5:10 PM CST	Areal Flood Advisory	PAH	Gallatin, Hamilton, Saline, White	6 hr
Dec 9, 5:54 PM CST	Mesoscale Discussion	SPC	Alexander, Gallatin, Hardin, Johnson, Massac, Pope and 1 more	96 min
Dec 11, 7:54 AM CST	Gale Watch	LOT		20 hr
Dec 11, 7:54 AM CST	Small Craft Advisory	LOT		14 hr
Dec 11, 5:30 PM CST	Gale Warning	LOT		7 hr
Dec 12, 3:44 AM CST	Gale Warning	LOT		36 hr
Dec 12, 3:44 AM CST	Small Craft Advisory	LOT		42 hr
Dec 12, 3:07 PM CST	Gale Warning	LOT		24 hr
Dec 14, 3:31 AM CST	Small Craft Advisory	LOT		48 hr
Dec 17, 3:53 PM CST	Winter Storm Watch	DVN	Bureau, Carroll, Henderson, Henry, Jo Daviess, Mercer and 4 more	48 hr
Dec 18, 3:21 AM CST	Gale Watch	LOT		13 hr
Dec 18, 3:21 AM CST	Storm Watch	LOT		13 hr
Dec 18, 4:03 AM CST	Winter Storm Watch	LOT	Boone, DeKalb, DuPage, Grundy, Kane, Kendall and 6 more	48 hr
Dec 18, 3:23 PM CST	Winter Weather Advisory	LSX	Adams, Brown	35 hr
Dec 18, 3:35 PM CST	Winter Storm Warning	DVN	Jo Daviess	13 hr
Dec 18, 4:19 PM CST	Gale Warning	LOT		50 hr
Dec 18, 4:19 PM CST	Small Craft Advisory	LOT		35 hr
Dec 18, 4:19 PM CST	Storm Warning	LOT		71 hr
Dec 19, 4:03 AM CST	Winter Storm Warning	LOT	Boone, DeKalb, DuPage, Grundy, Kane, Kendall and 6 more	47 hr
Dec 19, 4:09 AM CST	Blizzard Warning	DVN	Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more	44 hr
Dec 19, 4:09 AM CST	Winter Storm Warning	DVN	Bureau, Carroll, Hancock, Henderson, Henry, McDonough and 6 more	44 hr
Dec 19, 4:09 AM CST	Winter Weather Advisory	DVN	Hancock, McDonough, Warren	23 hr
Dec 19, 3:34 PM CST	Wind Advisory	LSX	Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more	29 hr
Dec 19, 3:41 PM CST	Wind Advisory	PAH	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	32 hr
Dec 19, 3:52 PM CST	Winter Weather Advisory	ILX	Fulton, Knox, Marshall, Peoria, Stark	11 hr
Dec 19, 3:56 PM CST	High Wind Watch	LOT	Ford, Iroquois, Kankakee, Livingston	12 hr
Dec 19, 3:57 PM CST	High Wind Warning	ILX	Cass, Champaign, Christian, Clark, Clay, Coles and 24 more	32 hr
Dec 20, 2:50 AM CST	Winter Storm Warning	ILX	Fulton, Knox, Marshall, Peoria, Schuyler, Stark	9 hr
Dec 20, 2:50 AM CST	Winter Weather Advisory	ILX	Cass, Logan, McLean, Mason, Menard, Morgan and 4 more	9 hr
Dec 20, 2:50 AM CST	Winter Storm Warning	LSX	Adams, Brown	15 hr
Dec 20, 2:50 AM CST	Winter Weather Advisory	LSX	Calhoun, Greene, Jersey, Pike	15 hr
Dec 20, 3:46 AM CST	Blizzard Warning	LOT	Boone, DeKalb, LaSalle, Lee, Ogle, Winnebago	20 hr
Dec 20, 3:55 AM CST	High Wind Warning	LOT	Ford, Iroquois, Kankakee, Livingston	20 hr
Dec 20, 7:49 AM CST	Mesoscale Discussion	SPC	Hancock, Henderson, Mercer, Rock Island	4 hr
Dec 20, 9:05 AM CST	Areal Flood Advisory	ILX	Champaign, Coles, Cumberland, Douglas, Edgar, Effingham and 2 more	6 hr
Dec 20, 9:50 AM CST	River Flood Advisory	LOT	Will	22 hr
Dec 20, 10:52 AM CST	Mesoscale Discussion	SPC	Adams, Boone, Brown, Bureau, Calhoun, Carroll and 43 more	6 hr
Dec 20, 12:15 PM CST	Blizzard Warning	ILX	Cass, Christian, DeWitt, Fulton, Knox, Logan and 13 more	12 hr
Dec 20, 11:53 PM CST	Winter Weather Advisory	LOT	Boone, DeKalb, Lee, Ogle, Winnebago	10 hr
Dec 20, 11:56 PM CST	Wind Advisory	ILX	Champaign, Clark, Clay, Coles, Crawford, Cumberland and 10 more	6 hr
Dec 21, 12:00 AM CST	Wind Advisory	LOT	Ford, Iroquois, Kankakee, LaSalle, Livingston	6 hr
Dec 21, 12:04 AM CST	Winter Weather Advisory	ILX	Cass, Christian, DeWitt, Fulton, Knox, Logan and 13 more	6 hr
Dec 21, 12:06 AM CST	Winter Weather Advisory	DVN	Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more	10 hr
Dec 21, 9:25 AM CST	Gale Warning	LOT		6 hr
Dec 21, 3:11 PM CST	Gale Warning	LOT		9 hr
Dec 21, 3:11 PM CST	Small Craft Advisory	LOT		24 hr
Dec 22, 8:08 AM CST	River Flood Warning	ILX	Clay, Richland	20 hr
Dec 23, 2:31 PM CST	Winter Storm Watch	PAH	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	25 hr
Dec 23, 2:48 PM CST	Winter Storm Watch	ILX	Champaign, Clark, Clay, Coles, Crawford, Cumberland and 10 more	37 hr
Dec 23, 2:57 PM CST	Winter Storm Watch	LSX	Clinton, Fayette, Marion, Monroe, Randolph, Saint Clair and 1 more	37 hr
Dec 24, 4:21 AM CST	Dense Fog Advisory	PAH	Alexander, Gallatin, Hardin, Massac, Pope, Pulaski	5 hr
Dec 24, 1:58 PM CST	Blizzard Watch	PAH	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	15 hr
Dec 24, 2:38 PM CST	Gale Watch	LOT		17 hr
Dec 25, 3:41 AM CST	Winter Storm Warning	ILX	Clark, Clay, Crawford, Jasper, Lawrence, Richland	9 hr
Dec 25, 3:41 AM CST	Winter Weather Advisory	ILX	Champaign, Coles, Cumberland, Douglas, Edgar, Effingham and 3 more	31 hr
Dec 25, 4:17 AM CST	Winter Weather Advisory	LSX	Bond, Clinton, Fayette, Marion, Monroe, Randolph and 2 more	28 hr
Dec 25, 4:49 AM CST	Blizzard Warning	PAH	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	29 hr
Dec 25, 12:19 PM CST	Blizzard Warning	ILX	Clark, Clay, Coles, Crawford, Cumberland, Edgar and 4 more	22 hr
Dec 25, 1:31 PM CST	Winter Weather Advisory	PAH	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	25 hr
Dec 25, 2:46 PM CST	Small Craft Advisory	LOT		51 hr
Dec 25, 3:20 PM CST	Winter Storm Warning	LSX	Marion, Randolph, Washington	17 hr
Dec 25, 8:00 PM CST	Mesoscale Discussion	SPC	Alexander, Johnson, Massac, Pope, Pulaski, Union	6 hr
Dec 26, 2:25 AM CST	Mesoscale Discussion	SPC	Alexander, Clark, Clay, Crawford, Edwards, Franklin and 18 more	6 hr
Dec 26, 7:32 AM CST	Gale Warning	LOT		14 hr
Dec 26, 10:36 AM CST	Winter Weather Advisory	ILX	Clark, Crawford, Cumberland, Jasper, Lawrence, Richland	4 hr
Dec 28, 5:09 AM CST	Winter Weather Advisory	PAH	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	25 hr
Dec 28, 11:54 AM CST	Winter Weather Advisory	LSX	Bond, Clinton, Fayette, Marion, Monroe, Randolph and 2 more	14 hr
Dec 28, 1:51 PM CST	Winter Weather Advisory	ILX	Clark, Clay, Crawford, Cumberland, Effingham, Jasper and 2 more	16 hr
Dec 28, 3:44 PM CST	Mesoscale Discussion	SPC	Alexander, Clay, Clinton, Crawford, Edwards, Franklin and 24 more	6 hr
Dec 28, 6:13 PM CST	Winter Storm Warning	PAH	Alexander, Edwards, Franklin, Gallatin, Hamilton, Jackson and 9 more	12 hr
Dec 29, 3:14 AM CST	Small Craft Advisory	LOT		25 hr
Dec 30, 3:54 AM CST	Small Craft Advisory	LOT		30 hr
Dec 30, 4:50 AM CST	Dense Fog Advisory	ILX	Clay, Crawford, Jasper, Lawrence, Richland	4 hr
Dec 30, 4:50 AM CST	Freezing Fog Advisory	PAH	Alexander, Edwards, Franklin, Gallatin, Hamilton, Jackson and 8 more	4 hr
Dec 30, 12:31 PM CST	Winter Weather Advisory	PAH	Edwards, Franklin, Gallatin, Hamilton, Jackson, Jefferson and 8 more	41 hr
Dec 30, 3:03 PM CST	Winter Weather Advisory	LSX	Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more	39 hr
Dec 31, 3:04 AM CST	Winter Weather Advisory	ILX	Cass, Champaign, Christian, Clark, Clay, Coles and 24 more	27 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
Tornado Warning	1
Tornado Watch	1
Mesoscale Discussion	8
Special Weather Statement	3
Flooding
River Flood Warning	1
Areal Flood Advisory	2
River Flood Advisory	1
Winter
Blizzard Warning	5
Winter Storm Warning	8
Blizzard Watch	1
Winter Storm Watch	5
Winter Weather Advisory	18
Wind and dust
High Wind Warning	2
High Wind Watch	1
Wind Advisory	4
Fog and smoke
Dense Fog Advisory	10
Freezing Fog Advisory	1
Marine
Gale Warning	9
Storm Warning	1
Gale Watch	4
Storm Watch	1
Marine Dense Fog Advisory	2
Small Craft Advisory	15

By county

Every county with at least one alert. A county page lists each alert that covered it.

61 more counties

Nearby

Alerts in force now Tornadoes on record The radar archive 2011 2013

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.