Alert archive / Illinois / Johnson County

Weather alerts in Johnson County, Illinois, 2012

153 weather alerts in 2012, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Johnson County and its neighbors

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

Alerts: 153
Warnings: 35
Watches: 24
Advisories: 42
Busiest month: September25 alerts
Busiest day: March 2, 20126 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 1, 3:02 AM CST	Wind Advisory	PAH	9 hr
Jan 1, 3:02 AM CST	Wind Advisory	PAH	12 hr
Jan 11, 5:55 AM CST	Dense Fog Advisory	PAH	5 hr
Jan 11, 3:06 PM CST	Winter Weather Advisory	PAH	33 hr
Jan 20, 4:46 PM CST	Winter Weather Advisory	PAH	9 hr
Jan 22, 5:37 PM CST	Mesoscale Discussion	SPC	113 min
Jan 22, 7:28 PM CST	Tornado Watch	SPC	5 hr
Jan 22, 8:37 PM CST	Mesoscale Discussion	SPC	83 min
Jan 22, 8:54 PM CST	Areal Flood Advisory	PAH	4 hr
Feb 1, 7:47 AM CST	Dense Fog Advisory	PAH	3 hr
Feb 13, 4:23 AM CST	Winter Weather Advisory	PAH	26 hr
Feb 17, 1:00 AM CST	Dense Fog Advisory	PAH	3 hr
Feb 17, 3:55 AM CST	Freezing Fog Advisory	PAH	5 hr
Feb 23, 2:21 PM CST	Mesoscale Discussion	SPC	84 min
Feb 26, 8:42 AM CST	Red Flag Warning	PAH	9 hr
Feb 29, 12:49 AM CST	Mesoscale Discussion	SPC	56 min
Feb 29, 1:14 AM CST	Tornado Watch	SPC	11 hr
Feb 29, 3:53 AM CST	Mesoscale Discussion	SPC	97 min
Feb 29, 4:08 AM CST	Tornado Warning	PAH	22 min
Feb 29, 4:25 AM CST	Tornado Warning	PAH	35 min
Mar 2, 1:30 AM CST	Wind Advisory	PAH	19 hr
Mar 2, 9:22 AM CST	Mesoscale Discussion	SPC	113 min
Mar 2, 9:54 AM CST	Tornado Watch PDS	SPC	6 hr
Mar 2, 12:05 PM CST	Mesoscale Discussion	SPC	85 min
Mar 2, 12:39 PM CST	Severe Thunderstorm Warning	PAH	36 min
Mar 2, 12:53 PM CST	Tornado Warning	PAH	22 min
Mar 6, 2:27 AM CST	Red Flag Warning	PAH	18 hr
Mar 14, 1:56 PM CDT	Mesoscale Discussion	SPC	2 hr
Mar 15, 1:08 PM CDT	Mesoscale Discussion	SPC	2 hr
Mar 15, 10:16 PM CDT	Severe Thunderstorm Warning	PAH	30 min
Mar 15, 10:44 PM CDT	Severe Thunderstorm Warning	PAH	25 min
Mar 23, 9:46 AM CDT	Mesoscale Discussion	SPC	119 min
Mar 23, 11:19 AM CDT	Severe Thunderstorm Warning	PAH	26 min
Mar 23, 11:44 AM CDT	Severe Thunderstorm Watch	SPC	7 hr
Mar 23, 11:45 AM CDT	Severe Thunderstorm Warning	PAH	30 min
Apr 10, 3:01 PM CDT	Freeze Watch	PAH	12 hr
Apr 11, 2:43 AM CDT	Freeze Warning	PAH	29 hr
Apr 15, 5:03 AM CDT	Lake Wind Advisory	PAH	14 hr
Apr 16, 3:52 AM CDT	Lake Wind Advisory	PAH	14 hr
Apr 25, 4:36 PM CDT	Mesoscale Discussion	SPC	84 min
Apr 26, 12:40 AM CDT	Severe Thunderstorm Watch	SPC	6 hr
Apr 26, 2:23 AM CDT	Mesoscale Discussion	SPC	97 min
Apr 30, 12:03 PM CDT	Mesoscale Discussion	SPC	117 min
May 1, 4:51 AM CDT	Lake Wind Advisory	PAH	13 hr
May 2, 3:47 AM CDT	Lake Wind Advisory	PAH	14 hr
May 3, 3:49 AM CDT	Lake Wind Advisory	PAH	14 hr
May 4, 3:50 AM CDT	Lake Wind Advisory	PAH	8 hr
May 4, 11:36 AM CDT	Mesoscale Discussion	SPC	84 min
May 4, 10:35 PM CDT	Severe Thunderstorm Watch	SPC	8 hr
May 20, 1:33 PM CDT	Mesoscale Discussion	SPC	87 min
May 20, 7:10 PM CDT	Severe Thunderstorm Warning	PAH	17 min
May 23, 2:32 PM CDT	Lake Wind Advisory	PAH	28 hr
Jun 4, 2:38 PM CDT	Mesoscale Discussion	SPC	2 hr
Jun 4, 3:25 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Jun 4, 6:27 PM CDT	Mesoscale Discussion	SPC	93 min
Jun 4, 9:11 PM CDT	Mesoscale Discussion	SPC	94 min
Jun 4, 9:43 PM CDT	Severe Thunderstorm Watch	SPC	6 hr
Jun 11, 11:23 AM CDT	Mesoscale Discussion	SPC	97 min
Jun 11, 1:12 PM CDT	Mesoscale Discussion	SPC	93 min
Jun 11, 1:28 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Jun 11, 2:00 PM CDT	Severe Thunderstorm Warning	PAH	30 min
Jun 11, 3:29 PM CDT	Mesoscale Discussion	SPC	2 hr
Jun 18, 4:45 AM CDT	Lake Wind Advisory	PAH	14 hr
Jun 19, 3:34 AM CDT	Lake Wind Advisory	PAH	13 hr
Jun 27, 2:00 AM CDT	Heat Advisory	PAH	59 hr
Jun 27, 2:07 AM CDT	Fire Weather Watch	PAH	24 hr
Jun 28, 2:28 AM CDT	Red Flag Warning	PAH	9 hr
Jun 29, 4:12 AM CDT	Excessive Heat Warning	PAH	9 days
Jul 1, 1:59 PM CDT	Mesoscale Discussion	SPC	61 min
Jul 1, 3:15 PM CDT	Severe Thunderstorm Warning	PAH	30 min
Jul 1, 3:41 PM CDT	Severe Thunderstorm Warning	PAH	49 min
Jul 1, 3:57 PM CDT	Severe Thunderstorm Warning	PAH	33 min
Jul 1, 4:29 PM CDT	Severe Thunderstorm Warning	PAH	31 min
Jul 1, 4:42 PM CDT	Flash Flood Warning	PAH	2 hr
Jul 2, 5:16 PM CDT	Mesoscale Discussion	SPC	2 hr
Jul 6, 12:42 PM CDT	Mesoscale Discussion	SPC	93 min
Jul 7, 1:55 PM CDT	Heat Advisory	PAH	28 hr
Jul 8, 5:48 PM CDT	Severe Thunderstorm Warning	PAH	27 min
Jul 8, 6:08 PM CDT	Mesoscale Discussion	SPC	3 hr
Jul 11, 8:24 PM CDT	Severe Thunderstorm Warning	PAH	24 min
Jul 17, 2:49 PM CDT	Heat Advisory	PAH	53 hr
Jul 21, 2:32 PM CDT	Excessive Heat Warning	PAH	5 days
Jul 24, 3:25 PM CDT	Mesoscale Discussion	SPC	95 min
Jul 26, 1:25 PM CDT	Mesoscale Discussion	SPC	65 min
Jul 26, 1:46 PM CDT	Severe Thunderstorm Watch	SPC	10 hr
Jul 26, 3:55 PM CDT	Mesoscale Discussion	SPC	35 min
Jul 26, 6:29 PM CDT	Mesoscale Discussion	SPC	61 min
Jul 27, 12:52 PM CDT	Mesoscale Discussion	SPC	2 hr
Aug 1, 4:25 PM CDT	Severe Thunderstorm Warning	PAH	35 min
Aug 2, 11:47 AM CDT	Mesoscale Discussion	SPC	88 min
Aug 2, 7:30 PM CDT	Mesoscale Discussion	SPC	90 min
Aug 3, 3:12 PM CDT	Heat Advisory	PAH	21 hr
Aug 13, 7:05 AM CDT	Severe Thunderstorm Warning	PAH	25 min
Aug 13, 3:15 PM CDT	Mesoscale Discussion	SPC	30 min
Aug 13, 3:32 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Aug 16, 3:27 PM CDT	Severe Thunderstorm Watch	SPC	8 hr
Aug 16, 5:25 PM CDT	Mesoscale Discussion	SPC	2 hr
Aug 30, 12:18 PM CDT	Lake Wind Advisory	PAH	3 days
Aug 31, 1:26 PM CDT	Mesoscale Discussion	SPC	64 min
Aug 31, 1:56 PM CDT	Tornado Watch	SPC	8 hr
Aug 31, 6:01 PM CDT	Mesoscale Discussion	SPC	89 min
Aug 31, 9:05 PM CDT	Mesoscale Discussion	SPC	55 min
Sep 1, 1:19 PM CDT	Tornado Watch	SPC	8 hr
Sep 1, 3:30 PM CDT	Mesoscale Discussion	SPC	60 min
Sep 1, 5:43 PM CDT	Mesoscale Discussion	SPC	92 min
Sep 1, 7:34 PM CDT	Areal Flood Warning	PAH	3 hr
Sep 5, 9:04 AM CDT	Mesoscale Discussion	SPC	86 min
Sep 5, 1:10 PM CDT	Mesoscale Discussion	SPC	65 min
Sep 5, 2:29 PM CDT	Severe Thunderstorm Watch	SPC	8 hr
Sep 6, 4:00 AM CDT	Dense Fog Advisory	PAH	5 hr
Sep 6, 12:28 PM CDT	Severe Thunderstorm Watch	SPC	9 hr
Sep 6, 3:37 PM CDT	Mesoscale Discussion	SPC	83 min
Sep 6, 6:08 PM CDT	Severe Thunderstorm Warning	PAH	52 min
Sep 6, 6:29 PM CDT	Mesoscale Discussion	SPC	91 min
Sep 7, 3:44 PM CDT	Mesoscale Discussion	SPC	2 hr
Sep 7, 5:15 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Sep 7, 7:28 PM CDT	Severe Thunderstorm Warning	PAH	32 min
Sep 7, 7:50 PM CDT	Severe Thunderstorm Warning	PAH	25 min
Sep 7, 8:24 PM CDT	Mesoscale Discussion	SPC	96 min
Sep 7, 8:38 PM CDT	Severe Thunderstorm Warning	PAH	37 min
Sep 17, 3:37 PM CDT	Lake Wind Advisory	PAH	26 hr
Sep 22, 3:53 AM CDT	Lake Wind Advisory	PAH	14 hr
Sep 23, 12:25 PM CDT	Frost Advisory	PAH	20 hr
Sep 25, 12:51 AM CDT	Mesoscale Discussion	SPC	114 min
Sep 26, 1:26 PM CDT	Mesoscale Discussion	SPC	94 min
Sep 26, 3:27 PM CDT	Severe Thunderstorm Warning	PAH	28 min
Oct 7, 2:31 AM CDT	Frost Advisory	PAH	24 hr
Oct 8, 2:43 AM CDT	Frost Advisory	PAH	5 hr
Oct 10, 2:36 PM CDT	Frost Advisory	PAH	17 hr
Oct 17, 5:21 PM CDT	Tornado Watch	SPC	7 hr
Oct 17, 7:26 PM CDT	Severe Thunderstorm Warning	PAH	20 min
Oct 17, 7:35 PM CDT	Mesoscale Discussion	SPC	85 min
Oct 29, 3:52 PM CDT	Fire Weather Watch	PAH	17 hr
Oct 30, 9:07 AM CDT	Red Flag Warning	PAH	9 hr
Nov 8, 5:44 AM CST	Dense Fog Advisory	PAH	2 hr
Nov 11, 4:25 AM CST	Wind Advisory	PAH	11 hr
Nov 21, 4:37 AM CST	Dense Fog Advisory	PAH	3 hr
Nov 21, 9:59 PM CST	Dense Fog Advisory	PAH	10 hr
Dec 7, 3:24 AM CST	Dense Fog Advisory	PAH	6 hr
Dec 9, 2:10 PM CST	Tornado Watch	SPC	9 hr
Dec 9, 5:54 PM CST	Mesoscale Discussion	SPC	96 min
Dec 19, 3:41 PM CST	Wind Advisory	PAH	32 hr
Dec 23, 2:31 PM CST	Winter Storm Watch	PAH	25 hr
Dec 24, 1:58 PM CST	Blizzard Watch	PAH	15 hr
Dec 25, 4:49 AM CST	Blizzard Warning	PAH	29 hr
Dec 25, 1:31 PM CST	Winter Weather Advisory	PAH	25 hr
Dec 25, 8:00 PM CST	Mesoscale Discussion	SPC	6 hr
Dec 26, 2:25 AM CST	Mesoscale Discussion	SPC	6 hr
Dec 28, 5:09 AM CST	Winter Weather Advisory	PAH	25 hr
Dec 28, 3:44 PM CST	Mesoscale Discussion	SPC	6 hr
Dec 28, 6:13 PM CST	Winter Storm Warning	PAH	12 hr
Dec 30, 4:50 AM CST	Freezing Fog Advisory	PAH	4 hr
Dec 30, 12:31 PM CST	Winter Weather Advisory	PAH	41 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	21
Tornado Warning	3
Severe Thunderstorm Watch	12
Tornado Watch	7
Mesoscale Discussion	52
Flooding
Areal Flood Warning	1
Flash Flood Warning	1
Areal Flood Advisory	1
Winter
Blizzard Warning	1
Winter Storm Warning	1
Blizzard Watch	1
Winter Storm Watch	1
Winter Weather Advisory	6
Heat
Excessive Heat Warning	2
Heat Advisory	4
Cold
Freeze Warning	1
Freeze Watch	1
Frost Advisory	4
Wind and dust
Lake Wind Advisory	12
Wind Advisory	5
Fire
Red Flag Warning	4
Fire Weather Watch	2
Fog and smoke
Dense Fog Advisory	8
Freezing Fog Advisory	2

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record Forecast 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.