Alert archive / Illinois / Johnson County

Weather alerts in Johnson County, Illinois, 2009

135 weather alerts in 2009, 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 2009. Tap one for its archive.

Alerts: 135
Warnings: 31
Watches: 28
Advisories: 36
Busiest month: June25 alerts
Busiest day: May 8, 20099 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 5, 11:00 AM CST	Winter Weather Advisory	PAH	25 hr
Jan 6, 12:06 AM CST	Mesoscale Discussion	SPC	4 hr
Jan 14, 1:54 AM CST	Wind Chill Advisory	PAH	32 hr
Jan 25, 4:15 AM CST	Winter Storm Watch	PAH	24 hr
Jan 26, 4:23 AM CST	Winter Storm Warning	PAH	55 hr
Jan 26, 6:59 PM CST	Mesoscale Discussion	SPC	5 hr
Jan 26, 11:44 PM CST	Mesoscale Discussion	SPC	5 hr
Jan 27, 6:06 AM CST	Mesoscale Discussion	SPC	5 hr
Jan 27, 11:25 AM CST	Mesoscale Discussion	SPC	4 hr
Jan 27, 6:25 PM CST	Mesoscale Discussion	SPC	6 hr
Jan 27, 11:31 PM CST	Mesoscale Discussion	SPC	5 hr
Jan 31, 2:41 AM CST	Dense Fog Advisory	PAH	7 hr
Feb 9, 1:27 AM CST	Wind Advisory	PAH	17 hr
Feb 10, 12:50 AM CST	High Wind Watch	PAH	12 hr
Feb 10, 12:44 PM CST	High Wind Warning	PAH	31 hr
Feb 11, 5:26 AM CST	Mesoscale Discussion	SPC	64 min
Feb 26, 8:46 PM CST	Severe Thunderstorm Watch	SPC	6 hr
Feb 27, 2:56 PM CST	Winter Weather Advisory	PAH	31 hr
Mar 8, 10:39 AM CDT	Tornado Watch	SPC	7 hr
Mar 8, 1:07 PM CDT	Severe Thunderstorm Warning	PAH	38 min
Mar 8, 1:44 PM CDT	Wind Advisory	PAH	5 hr
Mar 10, 7:31 PM CDT	Mesoscale Discussion	SPC	119 min
Mar 24, 1:40 AM CDT	Wind Advisory	PAH	17 hr
Mar 24, 5:36 PM CDT	Mesoscale Discussion	SPC	54 min
Apr 2, 2:38 PM CDT	Areal Flood Advisory	PAH	94 min
Apr 2, 2:41 PM CDT	Severe Thunderstorm Warning	PAH	34 min
Apr 2, 2:52 PM CDT	Areal Flood Advisory	PAH	3 hr
Apr 3, 12:10 PM CDT	Frost Advisory	PAH	21 hr
Apr 5, 10:50 AM CDT	Mesoscale Discussion	SPC	115 min
Apr 5, 11:44 AM CDT	Tornado Watch	SPC	6 hr
Apr 5, 2:02 PM CDT	Mesoscale Discussion	SPC	88 min
Apr 5, 4:28 PM CDT	Freeze Watch	PAH	12 hr
Apr 6, 3:35 AM CDT	Freeze Watch	PAH	31 hr
Apr 6, 4:26 AM CDT	Freeze Warning	PAH	29 hr
Apr 7, 10:58 AM CDT	Freeze Warning	PAH	22 hr
Apr 9, 10:52 PM CDT	Severe Thunderstorm Watch	SPC	4 hr
Apr 10, 12:48 AM CDT	Severe Thunderstorm Warning	PAH	27 min
Apr 10, 12:50 AM CDT	Mesoscale Discussion	SPC	85 min
Apr 10, 12:55 AM CDT	Severe Thunderstorm Warning	PAH	50 min
Apr 10, 8:53 AM CDT	Tornado Watch	SPC	7 hr
Apr 25, 11:31 AM CDT	Lake Wind Advisory	PAH	7 hr
Apr 26, 4:16 AM CDT	Lake Wind Advisory	PAH	15 hr
Apr 27, 3:20 AM CDT	Lake Wind Advisory	PAH	14 hr
Apr 27, 5:08 PM CDT	Mesoscale Discussion	SPC	97 min
Apr 30, 6:45 PM CDT	Flash Flood Warning	PAH	3 hr
Apr 30, 7:50 PM CDT	Areal Flood Warning	PAH	3 hr
May 1, 4:08 AM CDT	Flash Flood Watch	PAH	55 hr
May 7, 9:38 PM CDT	Mesoscale Discussion	SPC	97 min
May 7, 10:17 PM CDT	Severe Thunderstorm Watch	SPC	8 hr
May 7, 11:46 PM CDT	Mesoscale Discussion	SPC	89 min
May 8, 12:50 AM CDT	Severe Thunderstorm Warning	PAH	40 min
May 8, 1:51 AM CDT	Severe Thunderstorm Warning	PAH	39 min
May 8, 2:30 AM CDT	Severe Thunderstorm Warning	PAH	45 min
May 8, 9:21 AM CDT	Tornado Watch	SPC	7 hr
May 8, 11:34 AM CDT	Severe Thunderstorm Warning	PAH	56 min
May 8, 12:56 PM CDT	Severe Thunderstorm Warning	PAH	64 min
May 13, 8:16 AM CDT	Lake Wind Advisory	PAH	10 hr
May 13, 3:00 PM CDT	Tornado Watch	SPC	5 hr
May 13, 6:05 PM CDT	Mesoscale Discussion	SPC	85 min
May 13, 11:27 PM CDT	Mesoscale Discussion	SPC	93 min
May 14, 1:01 AM CDT	Severe Thunderstorm Watch	SPC	5 hr
May 14, 3:38 AM CDT	Severe Thunderstorm Warning	PAH	17 min
May 14, 3:51 AM CDT	Severe Thunderstorm Warning	PAH	24 min
May 16, 3:13 AM CDT	Lake Wind Advisory	PAH	16 hr
May 17, 10:35 AM CDT	Lake Wind Advisory	PAH	8 hr
May 27, 1:49 PM CDT	Mesoscale Discussion	SPC	116 min
Jun 2, 12:27 PM CDT	Severe Thunderstorm Watch	SPC	8 hr
Jun 8, 8:49 AM CDT	Mesoscale Discussion	SPC	86 min
Jun 8, 4:33 PM CDT	Severe Thunderstorm Watch	SPC	5 hr
Jun 8, 7:18 PM CDT	Mesoscale Discussion	SPC	57 min
Jun 8, 8:37 PM CDT	Severe Thunderstorm Warning	PAH	38 min
Jun 8, 9:35 PM CDT	Mesoscale Discussion	SPC	55 min
Jun 8, 9:38 PM CDT	Severe Thunderstorm Warning	PAH	18 min
Jun 9, 3:04 PM CDT	Mesoscale Discussion	SPC	86 min
Jun 9, 3:41 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Jun 10, 5:20 AM CDT	Mesoscale Discussion	SPC	55 min
Jun 10, 7:10 PM CDT	Mesoscale Discussion	SPC	65 min
Jun 10, 7:46 PM CDT	Tornado Watch	SPC	6 hr
Jun 16, 12:41 AM CDT	Severe Thunderstorm Watch	SPC	4 hr
Jun 16, 3:53 AM CDT	Mesoscale Discussion	SPC	67 min
Jun 16, 4:14 AM CDT	Severe Thunderstorm Warning	PAH	46 min
Jun 16, 9:38 AM CDT	Mesoscale Discussion	SPC	67 min
Jun 16, 10:40 AM CDT	Severe Thunderstorm Watch	SPC	5 hr
Jun 16, 11:20 AM CDT	Severe Thunderstorm Warning	PAH	25 min
Jun 17, 3:07 PM CDT	Mesoscale Discussion	SPC	23 min
Jun 18, 4:06 PM CDT	Heat Advisory	PAH	27 hr
Jun 20, 1:07 AM CDT	Mesoscale Discussion	SPC	53 min
Jun 21, 1:53 PM CDT	Heat Advisory	PAH	54 hr
Jun 22, 4:25 PM CDT	Flash Flood Warning	PAH	2 hr
Jun 26, 12:45 AM CDT	Heat Advisory	PAH	44 hr
Jun 26, 2:34 PM CDT	Mesoscale Discussion	SPC	86 min
Jul 4, 2:10 PM CDT	Severe Thunderstorm Watch	SPC	6 hr
Jul 4, 5:27 PM CDT	Mesoscale Discussion	SPC	63 min
Jul 11, 8:27 AM CDT	Areal Flood Advisory	PAH	3 hr
Jul 11, 10:11 AM CDT	Areal Flood Advisory	PAH	3 hr
Jul 11, 6:20 PM CDT	Mesoscale Discussion	SPC	115 min
Jul 12, 1:05 PM CDT	Mesoscale Discussion	SPC	85 min
Jul 12, 2:50 PM CDT	Areal Flood Advisory	PAH	98 min
Jul 15, 5:36 PM CDT	Mesoscale Discussion	SPC	54 min
Jul 16, 4:59 PM CDT	Mesoscale Discussion	SPC	61 min
Jul 25, 3:09 AM CDT	Mesoscale Discussion	SPC	96 min
Jul 28, 11:10 AM CDT	Flash Flood Warning	PAH	110 min
Jul 30, 10:11 PM CDT	Areal Flood Advisory	PAH	2 hr
Aug 2, 4:07 AM CDT	Dense Fog Advisory	PAH	4 hr
Aug 4, 2:36 PM CDT	Mesoscale Discussion	SPC	84 min
Aug 4, 3:09 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Aug 4, 4:46 PM CDT	Severe Thunderstorm Warning	PAH	44 min
Aug 4, 4:59 PM CDT	Severe Thunderstorm Warning	PAH	46 min
Aug 4, 5:18 PM CDT	Severe Thunderstorm Warning	PAH	42 min
Aug 4, 6:21 PM CDT	Mesoscale Discussion	SPC	114 min
Aug 4, 8:49 PM CDT	Flash Flood Warning	PAH	3 hr
Aug 10, 5:58 PM CDT	Mesoscale Discussion	SPC	2 hr
Aug 19, 11:26 PM CDT	Severe Thunderstorm Watch	SPC	9 hr
Sep 6, 9:04 AM CDT	Areal Flood Advisory	PAH	116 min
Sep 6, 6:24 PM CDT	Areal Flood Advisory	PAH	111 min
Sep 25, 11:11 PM CDT	Dense Fog Advisory	PAH	11 hr
Sep 26, 1:42 PM CDT	Mesoscale Discussion	SPC	93 min
Sep 26, 2:27 PM CDT	Severe Thunderstorm Watch	SPC	5 hr
Sep 26, 4:06 PM CDT	Severe Thunderstorm Warning	PAH	21 min
Sep 26, 9:38 PM CDT	Dense Fog Advisory	PAH	12 hr
Sep 28, 1:53 AM CDT	Lake Wind Advisory	PAH	17 hr
Oct 7, 3:35 PM CDT	Flood Watch	PAH	45 hr
Oct 8, 8:00 PM CDT	Tornado Watch	SPC	7 hr
Oct 8, 8:16 PM CDT	Flash Flood Warning	PAH	78 min
Oct 8, 10:36 PM CDT	Flash Flood Warning	PAH	6 hr
Oct 8, 11:39 PM CDT	Flash Flood Warning	PAH	6 hr
Oct 9, 4:33 AM CDT	Areal Flood Advisory	PAH	4 hr
Oct 17, 3:56 AM CDT	Frost Advisory	PAH	29 hr
Oct 28, 4:20 AM CDT	Flash Flood Watch	PAH	61 hr
Dec 8, 2:50 AM CST	Wind Advisory	PAH	36 hr
Dec 21, 6:07 AM CST	Freezing Fog Advisory	PAH	3 hr
Dec 22, 3:06 AM CST	Freezing Fog Advisory	PAH	6 hr
Dec 23, 9:48 AM CST	Wind Advisory	PAH	53 hr
Dec 23, 8:45 PM CST	Flood Watch	PAH	27 hr
Dec 24, 5:54 PM CST	Areal Flood Advisory	PAH	6 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
Severe Thunderstorm Watch	13
Tornado Watch	7
Mesoscale Discussion	40
Flooding
Areal Flood Warning	1
Flash Flood Warning	7
Flash Flood Watch	2
Flood Watch	2
Areal Flood Advisory	10
Winter
Winter Storm Warning	1
Winter Storm Watch	1
Winter Weather Advisory	2
Heat
Heat Advisory	3
Cold
Freeze Warning	2
Freeze Watch	2
Frost Advisory	2
Wind Chill Advisory	1
Wind and dust
High Wind Warning	1
High Wind Watch	1
Lake Wind Advisory	7
Wind Advisory	5
Fog and smoke
Dense Fog Advisory	4
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 2008 2010

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.