Weather alerts in Illinois, December 2011

61 weather alerts in December 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 December 2011. Tap one for its archive.

Alerts: 61
Warnings: 25
Watches: 4
Advisories: 32
Busiest day: December 14, 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
Dec 1, 8:45 AM CST	River Flood Warning	PAH	Hardin, Pope	16 days
Dec 1, 9:44 AM CST	Small Craft Advisory	LOT		11 hr
Dec 2, 2:56 AM CST	Gale Warning	LOT		35 hr
Dec 2, 5:49 AM CST	Small Craft Advisory	LOT		4 hr
Dec 2, 11:56 AM CST	River Flood Warning	PAH	Massac, Pope	15 days
Dec 2, 3:23 PM CST	Gale Watch	LOT		12 hr
Dec 2, 3:23 PM CST	Small Craft Advisory	LOT		47 hr
Dec 3, 3:24 AM CST	Gale Warning	LOT		33 hr
Dec 3, 10:40 AM CST	River Flood Warning	IND	Lawrence, Wabash	28 days
Dec 3, 1:55 PM CST	Flood Watch	PAH	Alexander, Gallatin, Hardin, Johnson, Massac, Pope and 3 more	52 hr
Dec 3, 9:46 PM CST	River Flood Warning	PAH	Franklin, Williamson	8 hr
Dec 4, 10:03 AM CST	River Flood Warning	PAH	Franklin, Williamson	7 days
Dec 4, 10:03 AM CST	River Flood Warning	PAH	Jackson	8 days
Dec 4, 1:37 PM CST	Areal Flood Advisory	PAH	Massac	4 hr
Dec 4, 6:12 PM CST	Areal Flood Warning	PAH	Massac, Pulaski	42 hr
Dec 4, 6:20 PM CST	Areal Flood Warning	PAH	Hardin, Pope	42 hr
Dec 4, 7:13 PM CST	Areal Flood Warning	PAH	Alexander	11 hr
Dec 4, 8:27 PM CST	Areal Flood Warning	PAH	Gallatin	40 hr
Dec 5, 4:16 AM CST	Small Craft Advisory	LOT		41 hr
Dec 5, 3:56 PM CST	River Flood Warning	PAH	Pope	23 hr
Dec 5, 8:57 PM CST	River Flood Warning	ILX	Lawrence	59 hr
Dec 6, 7:45 AM CST	Winter Weather Advisory	DVN	Hancock, Henderson, Mercer, Rock Island	6 hr
Dec 7, 3:16 AM CST	Small Craft Advisory	LOT		3 days
Dec 10, 3:29 AM CST	Small Craft Advisory	LOT		42 hr
Dec 10, 2:48 PM CST	River Flood Warning	PAH	Pope	21 hr
Dec 10, 8:54 PM CST	Gale Warning	LOT		24 hr
Dec 13, 3:17 AM CST	Gale Watch	LOT		48 hr
Dec 14, 3:13 AM CST	Small Craft Advisory	LOT		33 hr
Dec 14, 6:58 AM CST	River Flood Advisory	LOT	Will	7 hr
Dec 14, 8:37 AM CST	River Flood Advisory	LOT	Lake	12 hr
Dec 14, 8:37 AM CST	River Flood Advisory	LOT	Kane, Kendall	35 hr
Dec 14, 11:49 AM CST	Dense Fog Advisory	DVN	Jo Daviess	2 hr
Dec 14, 2:19 PM CST	River Flood Warning	LOT	Will	20 hr
Dec 14, 2:31 PM CST	River Flood Advisory	LOT	Cook	19 hr
Dec 14, 2:31 PM CST	River Flood Advisory	LOT	LaSalle	19 hr
Dec 14, 3:49 PM CST	Areal Flood Advisory	ILX	Fulton, Knox, McLean, Marshall, Peoria, Stark and 2 more	4 hr
Dec 14, 3:53 PM CST	Areal Flood Advisory	ILX	Fulton, Knox, McLean, Marshall, Peoria, Stark and 2 more	4 hr
Dec 14, 9:26 PM CST	River Flood Advisory	LOT	Bureau, LaSalle	61 hr
Dec 15, 3:10 AM CST	Gale Warning	LOT		24 hr
Dec 15, 6:03 AM CST	River Flood Warning	ILX	Clay, Richland	13 days
Dec 15, 7:54 AM CST	River Flood Advisory	LOT	Kankakee	26 hr
Dec 15, 10:03 AM CST	River Flood Warning	ILX	Lawrence	5 days
Dec 15, 10:54 AM CST	River Flood Advisory	LOT	Iroquois	23 hr
Dec 15, 10:54 AM CST	River Flood Advisory	LOT	LaSalle	44 hr
Dec 15, 8:57 PM CST	Small Craft Advisory	LOT		18 hr
Dec 17, 3:27 AM CST	Gale Watch	LOT		11 hr
Dec 17, 2:46 PM CST	Gale Warning	LOT		42 hr
Dec 17, 2:46 PM CST	Small Craft Advisory	LOT		43 hr
Dec 19, 9:53 AM CST	Small Craft Advisory	LOT		24 hr
Dec 20, 9:57 PM CST	Dense Fog Advisory	LOT	DeKalb, DuPage, Ford, Grundy, Iroquois, Kane and 4 more	12 hr
Dec 20, 10:01 PM CST	Dense Fog Advisory	ILX	Champaign, Christian, Clark, Clay, Coles, Crawford and 19 more	9 hr
Dec 20, 10:59 PM CST	Dense Fog Advisory	LSX	Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more	7 hr
Dec 22, 3:48 AM CST	Small Craft Advisory	LOT		35 hr
Dec 24, 3:55 AM CST	Small Craft Advisory	LOT		47 hr
Dec 25, 3:33 AM CST	Gale Warning	LOT		14 hr
Dec 25, 3:33 AM CST	Gale Warning	LOT		44 hr
Dec 26, 3:52 AM CST	Small Craft Advisory	LOT		59 hr
Dec 26, 3:34 PM CST	Gale Warning	LOT		35 hr
Dec 28, 9:37 AM CST	River Flood Warning	PAH	Gallatin, Hardin	8 days
Dec 29, 3:21 AM CST	Small Craft Advisory	LOT		12 hr
Dec 29, 9:13 PM CST	Small Craft Advisory	LOT		30 hr

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

Product	Alerts
Flooding
Areal Flood Warning	4
River Flood Warning	13
Flood Watch	1
Areal Flood Advisory	3
River Flood Advisory	9
Winter
Winter Weather Advisory	1
Fog and smoke
Dense Fog Advisory	4
Marine
Gale Warning	8
Gale Watch	3
Small Craft Advisory	15

By county

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

41 more counties

Nearby

Alerts in force now Tornadoes on record The radar archive 2010 2012

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.