Alert archive / Illinois / LaSalle County

Weather alerts in LaSalle County, Illinois, 2012

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

LaSalle County and its neighbors

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

Alerts: 163
Warnings: 53
Watches: 23
Advisories: 37
Busiest month: May39 alerts
Busiest day: May 6, 20129 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 11, 3:13 AM CST	Winter Storm Watch	LOT	11 hr
Jan 11, 2:05 PM CST	Winter Weather Advisory	LOT	43 hr
Jan 19, 2:41 PM CST	Winter Weather Advisory	LOT	31 hr
Jan 22, 9:50 AM CST	Winter Weather Advisory	LOT	8 hr
Jan 23, 3:15 AM CST	Dense Fog Advisory	LOT	6 hr
Jan 26, 4:58 AM CST	Dense Fog Advisory	LOT	5 hr
Feb 1, 10:14 PM CST	Dense Fog Advisory	LOT	15 hr
Feb 2, 8:43 PM CST	Dense Fog Advisory	LOT	15 hr
Feb 16, 1:12 AM CST	Dense Fog Advisory	LOT	4 hr
Feb 22, 8:39 PM CST	Winter Storm Watch	LOT	15 hr
Feb 23, 11:10 AM CST	Winter Weather Advisory	LOT	25 hr
Feb 26, 3:42 AM CST	Wind Advisory	LOT	12 hr
Feb 29, 3:59 AM CST	Wind Advisory	LOT	14 hr
Mar 6, 3:23 AM CST	Wind Advisory	LOT	15 hr
Mar 7, 3:18 AM CST	Wind Advisory	LOT	15 hr
Mar 9, 4:56 PM CST	Fire Weather Watch	LOT	13 hr
Mar 10, 5:30 AM CST	Red Flag Warning	LOT	13 hr
Mar 12, 11:03 AM CDT	Mesoscale Discussion	SPC	57 min
Mar 15, 5:02 PM CDT	Mesoscale Discussion	SPC	2 hr
Mar 17, 6:27 PM CDT	Areal Flood Advisory	LOT	3 hr
Mar 18, 7:14 AM CDT	Severe Thunderstorm Warning	LOT	46 min
Mar 20, 1:08 PM CDT	Red Flag Warning	LOT	6 hr
Mar 27, 8:43 PM CDT	Mesoscale Discussion	SPC	2 hr
Mar 28, 4:58 AM CDT	Fire Weather Watch	LOT	6 hr
Mar 28, 10:58 AM CDT	Red Flag Warning	LOT	8 hr
Mar 31, 8:52 PM CDT	Mesoscale Discussion	SPC	53 min
Mar 31, 9:24 PM CDT	Severe Thunderstorm Watch	SPC	9 hr
Apr 1, 1:33 AM CDT	Mesoscale Discussion	SPC	117 min
Apr 1, 7:56 AM CDT	Mesoscale Discussion	SPC	2 hr
Apr 3, 2:17 PM CDT	Mesoscale Discussion	SPC	88 min
Apr 4, 3:46 PM CDT	Freeze Watch	LOT	24 hr
Apr 5, 3:40 PM CDT	Freeze Warning	LOT	16 hr
Apr 7, 3:50 PM CDT	Fire Weather Watch	LOT	18 hr
Apr 8, 4:47 AM CDT	Red Flag Warning	LOT	14 hr
Apr 8, 4:42 PM CDT	Fire Weather Watch	LOT	12 hr
Apr 9, 4:49 AM CDT	Red Flag Warning	LOT	15 hr
Apr 10, 3:36 AM CDT	Freeze Warning	LOT	28 hr
Apr 10, 4:27 AM CDT	Fire Weather Watch	LOT	3 hr
Apr 10, 7:34 AM CDT	Red Flag Warning	LOT	11 hr
Apr 11, 3:49 AM CDT	Freeze Warning	LOT	28 hr
Apr 14, 9:54 PM CDT	Mesoscale Discussion	SPC	96 min
Apr 14, 10:40 PM CDT	Special Weather Statement	LOT	35 min
Apr 15, 10:18 AM CDT	Wind Advisory	LOT	10 hr
Apr 15, 6:12 PM CDT	Mesoscale Discussion	SPC	63 min
Apr 16, 8:28 AM CDT	Wind Advisory	LOT	10 hr
Apr 22, 5:38 AM CDT	Fire Weather Watch	LOT	12 hr
Apr 22, 3:36 PM CDT	Freeze Warning	LOT	12 hr
Apr 22, 5:37 PM CDT	Red Flag Warning	LOT	25 hr
May 3, 3:53 PM CDT	Mesoscale Discussion	SPC	37 min
May 3, 4:20 PM CDT	Tornado Watch	SPC	8 hr
May 3, 6:33 PM CDT	Special Weather Statement	LOT	27 min
May 3, 6:41 PM CDT	Severe Thunderstorm Watch	SPC	5 hr
May 3, 8:07 PM CDT	Severe Thunderstorm Warning	LOT	68 min
May 3, 8:43 PM CDT	Flash Flood Watch	LOT	7 hr
May 3, 10:29 PM CDT	Mesoscale Discussion	SPC	61 min
May 3, 11:34 PM CDT	Severe Thunderstorm Watch	SPC	5 hr
May 4, 12:34 AM CDT	Severe Thunderstorm Warning	LOT	71 min
May 4, 12:46 AM CDT	Flash Flood Warning	LOT	6 hr
May 4, 2:16 AM CDT	Mesoscale Discussion	SPC	119 min
May 5, 3:29 AM CDT	Dense Fog Advisory	LOT	6 hr
May 6, 3:56 AM CDT	Flash Flood Watch	LOT	27 hr
May 6, 1:22 PM CDT	Mesoscale Discussion	SPC	53 min
May 6, 1:42 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
May 6, 3:31 PM CDT	Severe Thunderstorm Warning	LOT	59 min
May 6, 3:39 PM CDT	Flash Flood Warning	LOT	6 hr
May 6, 3:42 PM CDT	Tornado Warning	LOT	48 min
May 6, 3:43 PM CDT	Severe Thunderstorm Warning	LOT	52 min
May 6, 3:56 PM CDT	Mesoscale Discussion	SPC	64 min
May 6, 4:28 PM CDT	Severe Thunderstorm Warning	LOT	32 min
May 6, 10:58 PM CDT	Areal Flood Advisory	LOT	6 hr
May 6, 11:22 PM CDT	Flash Flood Warning	LOT	8 hr
May 7, 5:05 AM CDT	Areal Flood Advisory	LOT	2 hr
May 7, 6:15 AM CDT	River Flood Warning	LOT	5 days
May 7, 6:23 AM CDT	River Flood Advisory	LOT	16 hr
May 7, 7:00 AM CDT	Areal Flood Warning	LOT	22 hr
May 7, 8:18 AM CDT	River Flood Warning	LOT	9 hr
May 7, 10:36 PM CDT	River Flood Warning	LOT	46 hr
May 20, 1:17 PM CDT	Mesoscale Discussion	SPC	118 min
May 20, 4:43 PM CDT	Special Weather Statement	LOT	32 min
May 20, 5:03 PM CDT	Severe Thunderstorm Warning	LOT	57 min
May 20, 5:40 PM CDT	Special Weather Statement	LOT	35 min
May 24, 4:17 AM CDT	Wind Advisory	LOT	16 hr
May 24, 10:56 AM CDT	Red Flag Warning	LOT	9 hr
May 28, 4:59 PM CDT	Mesoscale Discussion	SPC	91 min
May 28, 6:02 PM CDT	Severe Thunderstorm Watch	SPC	3 hr
May 28, 7:58 PM CDT	Special Weather Statement	LOT	47 min
May 28, 9:49 PM CDT	Special Weather Statement	LOT	41 min
Jun 2, 1:05 PM CDT	Mesoscale Discussion	SPC	115 min
Jun 16, 6:10 PM CDT	Mesoscale Discussion	SPC	95 min
Jun 16, 6:11 PM CDT	Special Weather Statement	LOT	34 min
Jun 16, 6:40 PM CDT	Severe Thunderstorm Watch	SPC	6 hr
Jun 16, 7:58 PM CDT	Mesoscale Discussion	SPC	92 min
Jun 18, 4:37 AM CDT	Wind Advisory	LOT	14 hr
Jun 27, 4:22 AM CDT	Heat Advisory	LOT	39 hr
Jun 29, 9:19 AM CDT	Special Weather Statement	LOT	56 min
Jun 29, 9:22 AM CDT	Mesoscale Discussion	SPC	2 hr
Jun 29, 9:27 AM CDT	Severe Thunderstorm Warning	LOT	63 min
Jun 29, 10:25 AM CDT	Severe Thunderstorm Warning	LOT	35 min
Jun 29, 10:44 AM CDT	Severe Thunderstorm Warning	LOT	61 min
Jun 29, 7:33 PM CDT	Mesoscale Discussion	SPC	87 min
Jun 29, 8:08 PM CDT	Severe Thunderstorm Warning	LOT	82 min
Jun 29, 9:14 PM CDT	Severe Thunderstorm Warning	LOT	61 min
Jun 29, 10:19 PM CDT	Severe Thunderstorm Warning	LOT	56 min
Jun 29, 11:46 PM CDT	Mesoscale Discussion	SPC	119 min
Jul 1, 10:56 AM CDT	Severe Thunderstorm Warning	LOT	34 min
Jul 1, 11:18 AM CDT	Severe Thunderstorm Warning	LOT	57 min
Jul 1, 11:25 AM CDT	Severe Thunderstorm Warning	LOT	65 min
Jul 1, 11:33 AM CDT	Mesoscale Discussion	SPC	57 min
Jul 3, 3:28 AM CDT	Heat Advisory	LOT	37 hr
Jul 4, 3:15 AM CDT	Excessive Heat Warning	LOT	4 days
Jul 13, 2:49 PM CDT	Severe Thunderstorm Warning	LOT	35 min
Jul 13, 3:57 PM CDT	Special Weather Statement	LOT	33 min
Jul 13, 4:28 PM CDT	Special Weather Statement	LOT	47 min
Jul 16, 2:51 PM CDT	Heat Advisory	LOT	52 hr
Jul 18, 11:38 AM CDT	Mesoscale Discussion	SPC	67 min
Jul 18, 12:58 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Jul 18, 3:07 PM CDT	Mesoscale Discussion	SPC	53 min
Jul 18, 7:43 PM CDT	Severe Thunderstorm Watch	SPC	5 hr
Jul 24, 3:32 AM CDT	Mesoscale Discussion	SPC	58 min
Jul 24, 3:31 PM CDT	Heat Advisory	LOT	30 hr
Jul 26, 1:40 AM CDT	Mesoscale Discussion	SPC	65 min
Jul 26, 3:48 PM CDT	Severe Thunderstorm Warning	LOT	45 min
Jul 26, 4:20 PM CDT	Special Weather Statement	LOT	25 min
Aug 4, 10:26 AM CDT	Mesoscale Discussion	SPC	49 min
Aug 4, 1:09 PM CDT	Mesoscale Discussion	SPC	66 min
Aug 4, 1:10 PM CDT	Special Weather Statement	LOT	50 min
Aug 4, 1:12 PM CDT	Special Weather Statement	LOT	48 min
Aug 4, 1:46 PM CDT	Severe Thunderstorm Watch	SPC	4 hr
Aug 4, 2:11 PM CDT	Severe Thunderstorm Warning	LOT	79 min
Aug 4, 2:51 PM CDT	Severe Thunderstorm Warning	LOT	54 min
Aug 4, 3:07 PM CDT	Severe Thunderstorm Warning	LOT	38 min
Aug 9, 3:32 PM CDT	Severe Thunderstorm Warning	LOT	73 min
Aug 9, 4:35 PM CDT	Severe Thunderstorm Warning	LOT	55 min
Aug 14, 12:22 AM CDT	Dense Fog Advisory	LOT	9 hr
Aug 16, 3:57 AM CDT	Mesoscale Discussion	SPC	3 hr
Aug 16, 7:08 AM CDT	Special Weather Statement	LOT	52 min
Aug 27, 12:00 AM CDT	Dense Fog Advisory	LOT	6 hr
Sep 4, 8:51 PM CDT	Severe Thunderstorm Watch	SPC	5 hr
Sep 4, 10:35 PM CDT	Severe Thunderstorm Warning	LOT	70 min
Sep 5, 3:43 AM CDT	Mesoscale Discussion	SPC	92 min
Sep 14, 4:00 AM CDT	Dense Fog Advisory	LOT	4 hr
Sep 19, 4:14 AM CDT	Red Flag Warning	LOT	15 hr
Sep 21, 1:36 PM CDT	Mesoscale Discussion	SPC	84 min
Sep 22, 5:35 PM CDT	Frost Advisory	LOT	14 hr
Sep 23, 3:20 PM CDT	Frost Advisory	LOT	17 hr
Sep 26, 2:28 AM CDT	Dense Fog Advisory	LOT	7 hr
Oct 5, 3:24 PM CDT	Freeze Warning	LOT	17 hr
Oct 7, 2:57 PM CDT	Freeze Warning	LOT	18 hr
Oct 7, 5:15 PM CDT	Red Flag Warning	LOT	25 hr
Oct 13, 3:07 PM CDT	Wind Advisory	LOT	28 hr
Oct 14, 12:59 PM CDT	Severe Thunderstorm Warning	LOT	61 min
Oct 14, 1:43 PM CDT	Tornado Warning	LOT	32 min
Oct 25, 4:13 PM CDT	Special Weather Statement	LOT	32 min
Nov 10, 12:01 PM CST	Special Weather Statement	LOT	29 min
Nov 11, 3:27 AM CST	Wind Advisory	LOT	15 hr
Nov 20, 6:01 PM CST	Dense Fog Advisory	LOT	20 hr
Dec 2, 7:01 PM CST	Dense Fog Advisory	LOT	13 hr
Dec 3, 3:29 PM CST	Mesoscale Discussion	SPC	91 min
Dec 18, 4:03 AM CST	Winter Storm Watch	LOT	48 hr
Dec 19, 4:03 AM CST	Winter Storm Warning	LOT	47 hr
Dec 20, 3:46 AM CST	Blizzard Warning	LOT	20 hr
Dec 20, 10:52 AM CST	Mesoscale Discussion	SPC	6 hr
Dec 21, 12:00 AM CST	Wind Advisory	LOT	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	25
Tornado Warning	2
Severe Thunderstorm Watch	10
Tornado Watch	1
Mesoscale Discussion	34
Special Weather Statement	16
Flooding
Areal Flood Warning	1
Flash Flood Warning	3
River Flood Warning	3
Flash Flood Watch	2
Areal Flood Advisory	3
River Flood Advisory	1
Winter
Blizzard Warning	1
Winter Storm Warning	1
Winter Storm Watch	3
Winter Weather Advisory	4
Heat
Excessive Heat Warning	1
Heat Advisory	4
Cold
Freeze Warning	6
Freeze Watch	1
Frost Advisory	2
Wind and dust
Wind Advisory	11
Fire
Red Flag Warning	10
Fire Weather Watch	6
Fog and smoke
Dense Fog Advisory	12

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.