Alert archive / Illinois / Williamson County

Weather alerts in Williamson County, Illinois, 2015

140 weather alerts in 2015, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Williamson County and its neighbors

Each county as a circle sized by its count in 2015. Tap one for its archive.

Alerts: 140
Warnings: 23
Watches: 31
Advisories: 42
Busiest month: April29 alerts
Busiest day: April 7, 20157 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 3, 7:40 AM CST	Areal Flood Advisory	PAH	3 hr
Jan 6, 2:48 PM CST	Wind Chill Advisory	PAH	41 hr
Jan 10, 1:40 PM CST	Freezing Rain Advisory	PAH	28 hr
Jan 11, 10:31 AM CST	Mesoscale Discussion	SPC	4 hr
Feb 14, 2:49 PM CST	Winter Storm Watch	PAH	13 hr
Feb 15, 3:34 AM CST	Winter Storm Warning	PAH	36 hr
Feb 16, 2:57 AM CST	Mesoscale Discussion	SPC	6 hr
Feb 16, 8:51 AM CST	Mesoscale Discussion	SPC	6 hr
Feb 17, 11:23 AM CST	Winter Weather Advisory	PAH	19 hr
Feb 18, 3:12 AM CST	Wind Chill Advisory	PAH	32 hr
Feb 19, 2:59 PM CST	Winter Storm Watch	PAH	14 hr
Feb 20, 4:57 AM CST	Winter Weather Advisory	PAH	10 hr
Feb 20, 3:24 PM CST	Winter Storm Warning	PAH	24 hr
Feb 20, 3:56 PM CST	Flood Watch	PAH	23 hr
Feb 20, 6:37 PM CST	Mesoscale Discussion	SPC	6 hr
Feb 22, 4:35 AM CST	Wind Chill Advisory	PAH	28 hr
Feb 28, 4:10 AM CST	Winter Weather Advisory	PAH	32 hr
Mar 2, 3:22 PM CST	Winter Storm Watch	PAH	23 hr
Mar 3, 2:51 PM CST	Winter Storm Warning	PAH	39 hr
Mar 3, 8:36 PM CST	Areal Flood Advisory	PAH	6 hr
Mar 10, 8:14 PM CDT	Dense Fog Advisory	PAH	13 hr
Mar 11, 9:14 AM CDT	Dense Fog Advisory	PAH	3 hr
Mar 11, 3:09 PM CDT	Flood Watch	PAH	60 hr
Mar 12, 3:58 AM CDT	Dense Fog Advisory	PAH	4 hr
Mar 13, 10:43 AM CDT	Areal Flood Warning	PAH	18 hr
Mar 13, 10:47 AM CDT	River Flood Warning	PAH	6 days
Mar 24, 3:26 PM CDT	Flood Watch	PAH	38 hr
Mar 25, 7:02 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Mar 25, 7:38 PM CDT	Severe Thunderstorm Warning	PAH	52 min
Apr 2, 3:05 AM CDT	Flood Watch	PAH	37 hr
Apr 2, 11:50 AM CDT	Mesoscale Discussion	SPC	85 min
Apr 2, 7:32 PM CDT	Mesoscale Discussion	SPC	58 min
Apr 2, 10:41 PM CDT	Severe Thunderstorm Watch	SPC	6 hr
Apr 3, 12:25 AM CDT	Areal Flood Advisory	PAH	3 hr
Apr 3, 1:04 AM CDT	Severe Thunderstorm Warning	PAH	26 min
Apr 4, 2:57 AM CDT	Frost Advisory	PAH	29 hr
Apr 7, 8:17 AM CDT	Mesoscale Discussion	SPC	88 min
Apr 7, 8:34 AM CDT	Severe Thunderstorm Watch	SPC	7 hr
Apr 7, 10:51 AM CDT	Mesoscale Discussion	SPC	54 min
Apr 7, 1:14 PM CDT	Mesoscale Discussion	SPC	61 min
Apr 7, 1:37 PM CDT	Severe Thunderstorm Watch	SPC	5 hr
Apr 7, 2:15 PM CDT	Severe Thunderstorm Warning	PAH	45 min
Apr 7, 2:53 PM CDT	Mesoscale Discussion	SPC	97 min
Apr 8, 3:36 PM CDT	Flash Flood Watch	PAH	33 hr
Apr 8, 3:42 PM CDT	Mesoscale Discussion	SPC	63 min
Apr 8, 4:07 PM CDT	Tornado Watch	SPC	4 hr
Apr 8, 7:04 PM CDT	Mesoscale Discussion	SPC	116 min
Apr 9, 3:45 PM CDT	Mesoscale Discussion	SPC	60 min
Apr 9, 6:48 PM CDT	Tornado Watch	SPC	6 hr
Apr 9, 8:01 PM CDT	Mesoscale Discussion	SPC	89 min
Apr 9, 9:53 PM CDT	Severe Thunderstorm Warning	PAH	37 min
Apr 9, 10:18 PM CDT	Severe Thunderstorm Warning	PAH	27 min
Apr 22, 4:33 PM CDT	Frost Advisory	PAH	15 hr
Apr 25, 12:22 PM CDT	Mesoscale Discussion	SPC	2 hr
Apr 25, 12:55 PM CDT	Tornado Watch	SPC	7 hr
Apr 25, 3:25 PM CDT	Mesoscale Discussion	SPC	2 hr
Apr 25, 3:57 PM CDT	Severe Thunderstorm Warning	PAH	33 min
Apr 25, 4:30 PM CDT	Severe Thunderstorm Warning	PAH	23 min
May 10, 3:52 PM CDT	Mesoscale Discussion	SPC	68 min
May 10, 4:02 PM CDT	Severe Thunderstorm Watch	SPC	4 hr
May 10, 6:30 PM CDT	Mesoscale Discussion	SPC	90 min
May 17, 3:40 AM CDT	Lake Wind Advisory	PAH	15 hr
May 24, 9:44 AM CDT	Lake Wind Advisory	PAH	9 hr
May 24, 7:18 PM CDT	Lake Wind Advisory	PAH	5 hr
May 24, 8:41 PM CDT	Mesoscale Discussion	SPC	64 min
May 24, 8:54 PM CDT	Special Weather Statement	PAH	51 min
May 24, 9:31 PM CDT	Special Weather Statement	PAH	59 min
May 26, 10:26 AM CDT	Lake Wind Advisory	PAH	9 hr
May 27, 7:57 AM CDT	Mesoscale Discussion	SPC	2 hr
May 30, 2:05 PM CDT	Special Weather Statement	PAH	40 min
Jun 8, 9:08 AM CDT	Areal Flood Advisory	PAH	3 hr
Jun 12, 7:36 AM CDT	Lake Wind Advisory	PAH	11 hr
Jun 14, 5:32 PM CDT	Special Weather Statement	PAH	58 min
Jun 17, 5:24 AM CDT	Areal Flood Advisory	PAH	3 hr
Jun 17, 2:20 PM CDT	Mesoscale Discussion	SPC	115 min
Jun 18, 4:16 AM CDT	Flash Flood Watch	PAH	47 hr
Jun 18, 9:38 AM CDT	River Flood Warning	PAH	12 days
Jun 19, 12:48 PM CDT	Mesoscale Discussion	SPC	117 min
Jun 19, 3:53 PM CDT	Tornado Warning	PAH	22 min
Jun 19, 7:42 PM CDT	Flash Flood Warning	PAH	3 hr
Jun 21, 3:56 PM CDT	Mesoscale Discussion	SPC	2 hr
Jun 21, 5:05 PM CDT	Severe Thunderstorm Watch	SPC	5 hr
Jun 21, 5:18 PM CDT	Areal Flood Advisory	PAH	3 hr
Jun 21, 5:29 PM CDT	Severe Thunderstorm Warning	PAH	46 min
Jun 21, 7:08 PM CDT	Mesoscale Discussion	SPC	67 min
Jun 25, 4:53 PM CDT	Severe Thunderstorm Watch	SPC	9 hr
Jun 26, 12:35 AM CDT	Flash Flood Watch	PAH	22 hr
Jun 26, 11:50 AM CDT	Mesoscale Discussion	SPC	115 min
Jun 26, 12:18 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Jun 28, 9:39 PM CDT	Mesoscale Discussion	SPC	66 min
Jul 1, 12:35 AM CDT	Flash Flood Watch	PAH	30 hr
Jul 1, 8:16 PM CDT	Mesoscale Discussion	SPC	119 min
Jul 7, 11:23 AM CDT	Flash Flood Watch	PAH	38 hr
Jul 7, 12:16 PM CDT	Areal Flood Advisory	PAH	3 hr
Jul 7, 3:20 PM CDT	Areal Flood Advisory	PAH	115 min
Jul 8, 1:09 PM CDT	Mesoscale Discussion	SPC	2 hr
Jul 8, 3:52 PM CDT	Mesoscale Discussion	SPC	113 min
Jul 8, 6:05 PM CDT	Tornado Watch	SPC	7 hr
Jul 8, 9:01 PM CDT	Mesoscale Discussion	SPC	89 min
Jul 8, 9:22 PM CDT	Special Weather Statement	PAH	68 min
Jul 8, 10:50 PM CDT	Flash Flood Warning	PAH	3 hr
Jul 8, 10:54 PM CDT	Flash Flood Warning	PAH	2 hr
Jul 9, 3:05 AM CDT	Flash Flood Watch	PAH	34 hr
Jul 9, 6:10 PM CDT	Mesoscale Discussion	SPC	2 hr
Jul 10, 6:08 AM CDT	Areal Flood Advisory	PAH	5 hr
Jul 13, 4:48 AM CDT	Heat Advisory	PAH	13 hr
Jul 13, 8:31 PM CDT	Mesoscale Discussion	SPC	59 min
Jul 13, 9:19 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Jul 14, 4:40 AM CDT	Heat Advisory	PAH	14 hr
Jul 17, 10:46 AM CDT	Heat Advisory	PAH	55 hr
Jul 20, 6:23 PM CDT	Mesoscale Discussion	SPC	97 min
Jul 20, 6:42 PM CDT	Severe Thunderstorm Watch	SPC	5 hr
Jul 20, 8:28 PM CDT	Mesoscale Discussion	SPC	92 min
Jul 27, 3:08 AM CDT	Heat Advisory	PAH	64 hr
Jul 27, 1:56 PM CDT	Excessive Heat Warning	PAH	53 hr
Aug 4, 3:22 PM CDT	Flash Flood Watch	PAH	37 hr
Aug 9, 3:55 PM CDT	Mesoscale Discussion	SPC	2 hr
Aug 18, 6:35 PM CDT	Mesoscale Discussion	SPC	115 min
Sep 9, 7:24 AM CDT	Areal Flood Advisory	PAH	3 hr
Oct 16, 3:48 AM CDT	Frost Advisory	PAH	28 hr
Oct 17, 3:35 AM CDT	Frost Advisory	PAH	28 hr
Oct 17, 2:00 PM CDT	Freeze Warning	PAH	18 hr
Nov 1, 11:19 PM CST	Dense Fog Advisory	PAH	10 hr
Nov 2, 8:37 PM CST	Dense Fog Advisory	PAH	14 hr
Nov 3, 7:26 PM CST	Dense Fog Advisory	PAH	11 hr
Nov 16, 2:52 AM CST	Flash Flood Watch	PAH	51 hr
Dec 4, 1:59 AM CST	Dense Fog Advisory	PAH	7 hr
Dec 4, 8:16 PM CST	Dense Fog Advisory	PAH	15 hr
Dec 8, 3:03 AM CST	Dense Fog Advisory	PAH	4 hr
Dec 13, 1:15 PM CST	Wind Advisory	PAH	13 hr
Dec 22, 7:07 PM CST	Dense Fog Advisory	PAH	5 hr
Dec 23, 6:13 AM CST	Mesoscale Discussion	SPC	2 hr
Dec 23, 9:05 AM CST	Mesoscale Discussion	SPC	85 min
Dec 23, 9:13 AM CST	Tornado Watch	SPC	8 hr
Dec 23, 10:29 AM CST	Mesoscale Discussion	SPC	91 min
Dec 23, 11:28 AM CST	Severe Thunderstorm Warning	PAH	47 min
Dec 25, 3:39 AM CST	Flash Flood Watch	PAH	4 days
Dec 25, 10:54 AM CST	River Flood Warning	PAH	16 days
Dec 28, 8:11 AM CST	Flash Flood Warning	PAH	6 hr
Dec 28, 11:21 AM CST	Wind Advisory	PAH	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	9
Tornado Warning	1
Severe Thunderstorm Watch	10
Tornado Watch	5
Mesoscale Discussion	39
Special Weather Statement	5
Flooding
Areal Flood Warning	1
Flash Flood Warning	4
River Flood Warning	3
Flash Flood Watch	9
Flood Watch	4
Areal Flood Advisory	10
Winter
Winter Storm Warning	3
Winter Storm Watch	3
Freezing Rain Advisory	1
Winter Weather Advisory	3
Heat
Excessive Heat Warning	1
Heat Advisory	4
Cold
Freeze Warning	1
Frost Advisory	4
Wind Chill Advisory	3
Wind and dust
Lake Wind Advisory	5
Wind Advisory	2
Fog and smoke
Dense Fog Advisory	10

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record Forecast The radar archive 2014 2016

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.