Alert archive / Illinois / Jefferson County

Weather alerts in Jefferson County, Illinois, 2011

183 weather alerts in 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Jefferson County and its neighbors

Each county as a circle sized by its count in 2011. Tap one for its archive.

Alerts: 183
Warnings: 49
Watches: 31
Advisories: 46
Busiest month: April44 alerts
Busiest day: May 25, 201110 alerts

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	Lasted
Jan 7, 3:56 AM CST	Winter Weather Advisory	PAH	11 hr
Jan 10, 3:17 AM CST	Winter Weather Advisory	PAH	51 hr
Jan 18, 3:49 AM CST	Dense Fog Advisory	PAH	4 hr
Jan 18, 3:59 PM CST	Winter Weather Advisory	PAH	50 hr
Jan 20, 3:41 AM CST	Winter Storm Warning	PAH	14 hr
Jan 22, 4:20 AM CST	Winter Weather Advisory	PAH	23 hr
Jan 23, 11:00 PM CST	Freezing Rain Advisory	PAH	5 hr
Jan 30, 12:52 PM CST	Winter Storm Watch	PAH	26 hr
Jan 31, 3:18 PM CST	Winter Weather Advisory	PAH	36 hr
Jan 31, 10:29 PM CST	Winter Storm Warning	PAH	13 hr
Feb 1, 2:46 AM CST	Wind Advisory	PAH	33 hr
Feb 1, 11:42 AM CST	Mesoscale Discussion	SPC	5 hr
Feb 4, 3:02 AM CST	Winter Weather Advisory	PAH	33 hr
Feb 17, 11:38 AM CST	Wind Advisory	PAH	6 hr
Feb 27, 1:21 AM CST	Flash Flood Watch	PAH	32 hr
Feb 27, 4:57 PM CST	Mesoscale Discussion	SPC	2 hr
Feb 27, 8:25 PM CST	Mesoscale Discussion	SPC	65 min
Feb 27, 9:23 PM CST	Severe Thunderstorm Warning	PAH	37 min
Feb 27, 9:40 PM CST	Tornado Watch	SPC	6 hr
Feb 27, 10:41 PM CST	Mesoscale Discussion	SPC	94 min
Feb 28, 12:14 AM CST	Tornado Warning	PAH	46 min
Feb 28, 12:38 AM CST	Tornado Warning	PAH	37 min
Mar 3, 3:38 PM CST	Flash Flood Watch	PAH	43 hr
Mar 4, 6:22 PM CST	Mesoscale Discussion	SPC	53 min
Mar 26, 1:12 PM CDT	Winter Weather Advisory	PAH	11 hr
Apr 2, 5:00 AM CDT	Wind Advisory	PAH	57 hr
Apr 3, 8:15 AM CDT	Red Flag Warning	PAH	11 hr
Apr 4, 7:22 AM CDT	Tornado Watch	SPC	7 hr
Apr 6, 5:30 AM CDT	Red Flag Warning	PAH	14 hr
Apr 9, 4:12 AM CDT	Mesoscale Discussion	SPC	93 min
Apr 9, 7:03 AM CDT	Severe Thunderstorm Warning	PAH	27 min
Apr 10, 3:19 AM CDT	Wind Advisory	PAH	17 hr
Apr 15, 12:29 PM CDT	Mesoscale Discussion	SPC	61 min
Apr 15, 12:47 PM CDT	Tornado Watch	SPC	9 hr
Apr 15, 3:32 PM CDT	Mesoscale Discussion	SPC	58 min
Apr 15, 5:20 PM CDT	Severe Thunderstorm Warning	PAH	25 min
Apr 15, 5:40 PM CDT	Severe Thunderstorm Warning	PAH	50 min
Apr 15, 5:57 PM CDT	Mesoscale Discussion	SPC	2 hr
Apr 19, 5:52 AM CDT	Mesoscale Discussion	SPC	83 min
Apr 19, 6:46 PM CDT	Tornado Watch	SPC	9 hr
Apr 19, 8:07 PM CDT	Mesoscale Discussion	SPC	83 min
Apr 19, 8:15 PM CDT	Severe Thunderstorm Warning	PAH	60 min
Apr 19, 8:47 PM CDT	Areal Flood Advisory	PAH	3 hr
Apr 19, 8:50 PM CDT	Severe Thunderstorm Warning	PAH	55 min
Apr 19, 8:53 PM CDT	Tornado Warning	PAH	37 min
Apr 21, 3:46 PM CDT	Flash Flood Watch	PAH	6 days
Apr 22, 10:09 AM CDT	Mesoscale Discussion	SPC	66 min
Apr 22, 1:31 PM CDT	Severe Thunderstorm Watch	SPC	4 hr
Apr 22, 5:27 PM CDT	Mesoscale Discussion	SPC	33 min
Apr 22, 5:49 PM CDT	Tornado Watch	SPC	7 hr
Apr 22, 9:20 PM CDT	Mesoscale Discussion	SPC	55 min
Apr 22, 11:02 PM CDT	Flash Flood Warning	PAH	6 hr
Apr 23, 1:04 AM CDT	Tornado Watch	SPC	4 hr
Apr 23, 11:18 AM CDT	Areal Flood Advisory	PAH	3 hr
Apr 23, 7:14 PM CDT	Flash Flood Warning	PAH	10 hr
Apr 24, 12:02 PM CDT	Areal Flood Warning	PAH	10 hr
Apr 24, 9:55 PM CDT	Areal Flood Warning	PAH	59 hr
Apr 25, 3:51 AM CDT	Flash Flood Warning	PAH	3 hr
Apr 25, 6:46 PM CDT	Flash Flood Warning	PAH	6 hr
Apr 25, 7:45 PM CDT	Severe Thunderstorm Warning	PAH	45 min
Apr 26, 9:04 PM CDT	Flash Flood Warning	PAH	6 hr
Apr 27, 9:10 AM CDT	Areal Flood Warning	PAH	48 hr
Apr 27, 2:33 PM CDT	Severe Thunderstorm Warning	PAH	27 min
Apr 27, 3:29 PM CDT	Tornado Watch	SPC	5 hr
Apr 27, 4:22 PM CDT	Flash Flood Warning	PAH	6 hr
Apr 28, 12:38 PM CDT	Mesoscale Discussion	SPC	97 min
Apr 29, 9:29 AM CDT	Areal Flood Warning	PAH	4 days
Apr 29, 8:35 PM CDT	Flash Flood Watch	PAH	50 hr
Apr 30, 4:18 AM CDT	Lake Wind Advisory	PAH	14 hr
May 1, 9:25 PM CDT	Flash Flood Warning	PAH	7 hr
May 3, 8:58 AM CDT	Areal Flood Warning	PAH	5 days
May 8, 10:29 AM CDT	Areal Flood Warning	PAH	24 hr
May 13, 4:40 PM CDT	Mesoscale Discussion	SPC	95 min
May 22, 4:30 AM CDT	Lake Wind Advisory	PAH	15 hr
May 22, 10:24 PM CDT	Mesoscale Discussion	SPC	66 min
May 23, 10:55 AM CDT	Severe Thunderstorm Watch	SPC	7 hr
May 23, 12:37 PM CDT	Mesoscale Discussion	SPC	83 min
May 23, 3:58 PM CDT	Mesoscale Discussion	SPC	92 min
May 25, 4:11 AM CDT	Lake Wind Advisory	PAH	16 hr
May 25, 4:58 AM CDT	Mesoscale Discussion	SPC	92 min
May 25, 5:46 AM CDT	Tornado Watch	SPC	7 hr
May 25, 7:31 AM CDT	Mesoscale Discussion	SPC	59 min
May 25, 10:18 AM CDT	Mesoscale Discussion	SPC	57 min
May 25, 11:02 AM CDT	Mesoscale Discussion	SPC	28 min
May 25, 11:09 AM CDT	Tornado Watch PDS	SPC	10 hr
May 25, 5:27 PM CDT	Tornado Warning	PAH	48 min
May 25, 6:25 PM CDT	Mesoscale Discussion	SPC	2 hr
May 25, 6:35 PM CDT	Tornado Warning	PAH	40 min
May 28, 3:01 PM CDT	Lake Wind Advisory	PAH	28 hr
Jun 5, 7:27 AM CDT	Mesoscale Discussion	SPC	2 hr
Jun 10, 3:48 PM CDT	Mesoscale Discussion	SPC	87 min
Jun 10, 7:34 PM CDT	Mesoscale Discussion	SPC	56 min
Jun 10, 10:56 PM CDT	Mesoscale Discussion	SPC	94 min
Jun 15, 4:24 AM CDT	Mesoscale Discussion	SPC	96 min
Jun 15, 2:13 PM CDT	Mesoscale Discussion	SPC	2 hr
Jun 17, 12:10 PM CDT	Mesoscale Discussion	SPC	65 min
Jun 17, 1:11 PM CDT	Severe Thunderstorm Warning	PAH	34 min
Jun 17, 1:34 PM CDT	Mesoscale Discussion	SPC	26 min
Jun 17, 1:40 PM CDT	Severe Thunderstorm Watch	SPC	4 hr
Jun 17, 1:45 PM CDT	Severe Thunderstorm Warning	PAH	45 min
Jun 18, 5:39 AM CDT	Mesoscale Discussion	SPC	66 min
Jun 18, 7:17 AM CDT	Severe Thunderstorm Warning	PAH	43 min
Jun 18, 8:26 PM CDT	Severe Thunderstorm Watch	SPC	8 hr
Jun 19, 2:10 AM CDT	Flash Flood Watch	PAH	7 hr
Jun 19, 2:14 AM CDT	Mesoscale Discussion	SPC	61 min
Jun 19, 2:55 AM CDT	Tornado Watch	SPC	6 hr
Jun 19, 3:41 AM CDT	Severe Thunderstorm Warning	PAH	49 min
Jun 19, 4:09 AM CDT	Areal Flood Advisory	PAH	3 hr
Jun 19, 4:11 AM CDT	Tornado Warning	PAH	16 min
Jun 19, 4:21 AM CDT	Severe Thunderstorm Warning	PAH	39 min
Jun 19, 4:39 AM CDT	Mesoscale Discussion	SPC	66 min
Jun 21, 12:56 PM CDT	Mesoscale Discussion	SPC	64 min
Jun 21, 1:22 PM CDT	Tornado Watch	SPC	9 hr
Jun 21, 3:31 PM CDT	Mesoscale Discussion	SPC	89 min
Jun 21, 4:44 PM CDT	Severe Thunderstorm Warning	PAH	46 min
Jun 21, 4:56 PM CDT	Mesoscale Discussion	SPC	94 min
Jun 21, 7:20 PM CDT	Mesoscale Discussion	SPC	85 min
Jun 21, 7:39 PM CDT	Severe Thunderstorm Warning	PAH	51 min
Jun 21, 7:40 PM CDT	Flash Flood Warning	PAH	110 min
Jun 21, 8:06 PM CDT	Tornado Warning	PAH	39 min
Jun 21, 10:37 PM CDT	Areal Flood Advisory	PAH	113 min
Jun 25, 11:17 AM CDT	Mesoscale Discussion	SPC	118 min
Jun 25, 1:06 PM CDT	Severe Thunderstorm Watch	SPC	3 hr
Jun 25, 2:59 PM CDT	Mesoscale Discussion	SPC	91 min
Jun 25, 7:36 PM CDT	Severe Thunderstorm Watch	SPC	6 hr
Jun 26, 12:45 AM CDT	Areal Flood Advisory	PAH	2 hr
Jun 26, 1:21 AM CDT	Mesoscale Discussion	SPC	84 min
Jun 26, 6:54 AM CDT	Areal Flood Advisory	PAH	3 hr
Jun 27, 12:58 AM CDT	Mesoscale Discussion	SPC	92 min
Jun 27, 3:14 AM CDT	Mesoscale Discussion	SPC	91 min
Jul 3, 12:26 PM CDT	Mesoscale Discussion	SPC	64 min
Jul 3, 1:15 PM CDT	Severe Thunderstorm Watch	SPC	6 hr
Jul 3, 1:38 PM CDT	Severe Thunderstorm Warning	PAH	37 min
Jul 3, 1:45 PM CDT	Severe Thunderstorm Warning	PAH	34 min
Jul 3, 2:13 PM CDT	Severe Thunderstorm Warning	PAH	28 min
Jul 3, 2:23 PM CDT	Flash Flood Warning	PAH	2 hr
Jul 3, 3:35 PM CDT	Mesoscale Discussion	SPC	55 min
Jul 3, 5:19 PM CDT	Mesoscale Discussion	SPC	26 min
Jul 7, 8:10 PM CDT	Areal Flood Advisory	PAH	4 hr
Jul 9, 3:09 PM CDT	Heat Advisory	PAH	27 hr
Jul 10, 3:53 AM CDT	Excessive Heat Watch	PAH	10 hr
Jul 10, 1:28 PM CDT	Excessive Heat Warning	PAH	56 hr
Jul 10, 1:28 PM CDT	Heat Advisory	PAH	25 hr
Jul 12, 1:00 PM CDT	Mesoscale Discussion	SPC	2 hr
Jul 12, 1:45 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Jul 12, 3:48 PM CDT	Mesoscale Discussion	SPC	87 min
Jul 12, 6:43 PM CDT	Mesoscale Discussion	SPC	62 min
Jul 12, 7:15 PM CDT	Areal Flood Advisory	PAH	2 hr
Jul 16, 3:23 PM CDT	Excessive Heat Watch	PAH	67 hr
Jul 18, 3:06 PM CDT	Heat Advisory	PAH	19 hr
Jul 19, 9:58 AM CDT	Excessive Heat Warning	PAH	5 days
Jul 24, 12:42 PM CDT	Mesoscale Discussion	SPC	2 hr
Jul 24, 12:42 PM CDT	Mesoscale Discussion	SPC	2 hr
Jul 25, 6:07 AM CDT	Dense Fog Advisory	PAH	2 hr
Jul 27, 3:26 AM CDT	Heat Advisory	PAH	40 hr
Jul 29, 3:27 AM CDT	Heat Advisory	PAH	16 hr
Jul 31, 1:26 PM CDT	Heat Advisory	PAH	5 hr
Aug 1, 4:11 AM CDT	Heat Advisory	PAH	63 hr
Aug 5, 2:20 PM CDT	Heat Advisory	PAH	53 hr
Aug 7, 5:20 PM CDT	Mesoscale Discussion	SPC	115 min
Aug 7, 5:41 PM CDT	Severe Thunderstorm Watch	SPC	6 hr
Aug 18, 2:40 PM CDT	Mesoscale Discussion	SPC	2 hr
Aug 24, 12:11 PM CDT	Lake Wind Advisory	PAH	6 hr
Aug 24, 8:56 PM CDT	Mesoscale Discussion	SPC	94 min
Sep 4, 4:14 PM CDT	Lake Wind Advisory	PAH	27 hr
Sep 5, 4:09 PM CDT	Lake Wind Advisory	PAH	26 hr
Sep 7, 10:55 AM CDT	Lake Wind Advisory	PAH	4 hr
Sep 19, 11:57 PM CDT	Dense Fog Advisory	PAH	6 hr
Sep 29, 12:08 PM CDT	Lake Wind Advisory	PAH	9 hr
Sep 30, 3:53 AM CDT	Lake Wind Advisory	PAH	13 hr
Oct 1, 8:38 PM CDT	Frost Advisory	PAH	11 hr
Oct 14, 3:19 PM CDT	Fire Weather Watch	PAH	36 hr
Oct 20, 3:32 AM CDT	Frost Advisory	PAH	28 hr
Oct 21, 4:25 AM CDT	Frost Advisory	PAH	28 hr
Nov 4, 10:14 PM CDT	Dense Fog Advisory	PAH	13 hr
Nov 9, 2:32 PM CST	Freeze Warning	PAH	41 hr
Nov 12, 4:16 PM CST	Wind Advisory	PAH	24 hr
Nov 14, 12:27 PM CST	Mesoscale Discussion	SPC	2 hr
Nov 14, 3:04 PM CST	Tornado Watch	SPC	5 hr
Nov 14, 3:26 PM CST	Severe Thunderstorm Warning	PAH	34 min
Nov 14, 5:32 PM CST	Mesoscale Discussion	SPC	88 min
Nov 18, 4:13 AM CST	Red Flag Warning	PAH	14 hr
Nov 21, 4:12 AM CST	Flash Flood Watch	PAH	28 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	19
Tornado Warning	7
Severe Thunderstorm Watch	9
Tornado Watch	12
Mesoscale Discussion	57
Flooding
Areal Flood Warning	6
Flash Flood Warning	9
Flash Flood Watch	6
Areal Flood Advisory	8
Winter
Winter Storm Warning	2
Winter Storm Watch	1
Freezing Rain Advisory	1
Winter Weather Advisory	7
Heat
Excessive Heat Warning	2
Excessive Heat Watch	2
Heat Advisory	8
Cold
Freeze Warning	1
Frost Advisory	3
Wind and dust
Lake Wind Advisory	10
Wind Advisory	5
Fire
Red Flag Warning	3
Fire Weather Watch	1
Fog and smoke
Dense Fog Advisory	4

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record Forecast 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.