Weather alerts in Cook County, Illinois, 2019

175 weather alerts in 2019, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Cook County and its neighbors

Each county as a circle sized by its count in 2019. Tap one for its archive.

Alerts: 175
Warnings: 60
Watches: 9
Advisories: 65
Busiest month: May42 alerts
Busiest day: June 27, 201915 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 19, 11:13 PM CST	Mesoscale Discussion	SPC	4 hr
Jan 22, 2:36 PM CST	Mesoscale Discussion	SPC	4 hr
Jan 28, 2:42 AM CST	Mesoscale Discussion	SPC	4 hr
Feb 4, 5:10 PM CST	River Flood Advisory	LOT	4 hr
Feb 5, 5:56 PM CST	Mesoscale Discussion	SPC	6 hr
Feb 6, 11:21 AM CST	River Flood Advisory	LOT	36 hr
Feb 7, 10:09 AM CST	River Flood Warning	LOT	56 hr
Feb 7, 10:14 AM CST	River Flood Advisory	LOT	23 hr
Feb 23, 10:57 PM CST	Special Weather Statement	LOT	48 min
Mar 13, 8:10 PM CDT	River Flood Advisory	LOT	59 hr
Mar 14, 12:24 PM CDT	Tornado Watch	SPC	2 hr
Mar 14, 12:46 PM CDT	Special Weather Statement	LOT	29 min
Mar 14, 1:11 PM CDT	Severe Thunderstorm Warning	LOT	19 min
Mar 14, 1:35 PM CDT	Severe Thunderstorm Warning	LOT	25 min
Mar 14, 1:47 PM CDT	Severe Thunderstorm Warning	LOT	28 min
Mar 14, 10:09 PM CDT	River Flood Warning	LOT	4 days
Apr 29, 9:14 AM CDT	River Flood Advisory	LOT	3 days
Apr 29, 2:11 PM CDT	River Flood Warning	LOT	16 hr
Apr 29, 2:25 PM CDT	River Flood Advisory	LOT	24 hr
Apr 30, 10:44 AM CDT	River Flood Advisory	LOT	68 hr
Apr 30, 3:11 PM CDT	Areal Flood Advisory	LOT	3 hr
Apr 30, 8:44 PM CDT	River Flood Warning	LOT	67 hr
Apr 30, 8:44 PM CDT	River Flood Warning	LOT	58 hr
Apr 30, 8:54 PM CDT	River Flood Advisory	LOT	13 hr
May 1, 4:15 AM CDT	River Flood Warning	LOT	3 days
May 1, 4:19 AM CDT	River Flood Advisory	LOT	3 days
May 1, 9:00 AM CDT	River Flood Warning	LOT	26 hr
May 7, 11:30 AM CDT	River Flood Advisory	LOT	26 hr
May 9, 5:23 AM CDT	River Flood Advisory	LOT	6 hr
May 9, 10:55 AM CDT	River Flood Warning	LOT	59 hr
May 9, 11:08 AM CDT	River Flood Advisory	LOT	68 hr
May 9, 11:08 AM CDT	River Flood Advisory	LOT	44 hr
May 11, 10:54 AM CDT	River Flood Advisory	LOT	67 hr
May 16, 1:12 PM CDT	Severe Thunderstorm Warning	LOT	48 min
May 16, 7:57 PM CDT	Severe Thunderstorm Watch	SPC	6 hr
May 16, 10:35 PM CDT	Special Weather Statement	LOT	25 min
May 16, 10:54 PM CDT	Severe Thunderstorm Warning	LOT	36 min
May 16, 11:51 PM CDT	Severe Thunderstorm Warning	LOT	23 min
May 17, 12:27 AM CDT	Severe Thunderstorm Warning	LOT	50 min
May 18, 2:27 PM CDT	Special Weather Statement	LOT	33 min
May 19, 1:12 PM CDT	Special Weather Statement	LOT	18 min
May 19, 1:32 PM CDT	Special Weather Statement	LOT	13 min
May 19, 1:38 PM CDT	Severe Thunderstorm Warning	LOT	22 min
May 19, 2:02 PM CDT	Special Weather Statement	LOT	28 min
May 24, 11:40 AM CDT	River Flood Advisory	LOT	7 days
May 24, 11:40 AM CDT	River Flood Advisory	LOT	67 hr
May 24, 11:40 AM CDT	River Flood Advisory	LOT	61 hr
May 27, 12:50 PM CDT	Mesoscale Discussion	SPC	85 min
May 27, 1:22 PM CDT	Tornado Watch	SPC	9 hr
May 27, 2:00 PM CDT	Areal Flood Advisory	LOT	2 hr
May 27, 2:07 PM CDT	Tornado Warning	LOT	38 min
May 27, 2:13 PM CDT	Severe Thunderstorm Warning	LOT	62 min
May 27, 2:38 PM CDT	Flash Flood Warning	LOT	3 hr
May 27, 2:44 PM CDT	Severe Thunderstorm Warning	LOT	61 min
May 27, 3:57 PM CDT	Mesoscale Discussion	SPC	93 min
May 27, 4:00 PM CDT	Severe Thunderstorm Warning	LOT	45 min
May 27, 4:14 PM CDT	Tornado Warning	LOT	46 min
May 27, 4:17 PM CDT	Areal Flood Advisory	LOT	3 hr
May 27, 4:25 PM CDT	Special Weather Statement	LOT	50 min
May 27, 5:27 PM CDT	Areal Flood Advisory	LOT	3 hr
May 27, 5:32 PM CDT	Special Weather Statement	LOT	13 min
May 28, 9:28 PM CDT	Areal Flood Advisory	LOT	6 hr
May 29, 9:38 AM CDT	River Flood Advisory	LOT	12 hr
Jun 1, 2:23 PM CDT	Severe Thunderstorm Watch	SPC	6 hr
Jun 1, 3:27 PM CDT	Special Weather Statement	LOT	48 min
Jun 1, 3:33 PM CDT	Severe Thunderstorm Warning	LOT	42 min
Jun 1, 3:53 PM CDT	Special Weather Statement	LOT	52 min
Jun 1, 5:12 PM CDT	Special Weather Statement	LOT	33 min
Jun 1, 5:21 PM CDT	Mesoscale Discussion	SPC	54 min
Jun 1, 5:50 PM CDT	Special Weather Statement	LOT	25 min
Jun 1, 6:01 PM CDT	Severe Thunderstorm Warning	LOT	44 min
Jun 1, 6:49 PM CDT	Areal Flood Advisory	LOT	3 hr
Jun 5, 1:00 AM CDT	Areal Flood Advisory	LOT	5 hr
Jun 5, 1:45 AM CDT	Special Weather Statement	LOT	30 min
Jun 5, 10:26 AM CDT	River Flood Advisory	LOT	39 hr
Jun 23, 7:43 PM CDT	Areal Flood Advisory	LOT	3 hr
Jun 25, 1:10 PM CDT	Mesoscale Discussion	SPC	2 hr
Jun 25, 1:52 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Jun 25, 4:25 PM CDT	Special Weather Statement	LOT	20 min
Jun 25, 4:37 PM CDT	Severe Thunderstorm Warning	LOT	23 min
Jun 25, 6:36 PM CDT	Mesoscale Discussion	SPC	54 min
Jun 26, 7:30 PM CDT	Severe Thunderstorm Warning	LOT	33 min
Jun 26, 7:34 PM CDT	Severe Thunderstorm Warning	LOT	26 min
Jun 26, 8:55 PM CDT	Severe Thunderstorm Warning	LOT	50 min
Jun 26, 9:03 PM CDT	Flash Flood Warning	LOT	4 hr
Jun 26, 11:15 PM CDT	Areal Flood Advisory	LOT	3 hr
Jun 26, 11:48 PM CDT	Flash Flood Warning	LOT	3 hr
Jun 27, 12:52 AM CDT	Flash Flood Warning	LOT	6 hr
Jun 27, 2:22 AM CDT	River Flood Advisory	LOT	4 hr
Jun 27, 2:41 AM CDT	Flash Flood Warning	LOT	6 hr
Jun 27, 6:15 AM CDT	River Flood Warning	LOT	39 hr
Jun 27, 6:21 AM CDT	River Flood Advisory	LOT	27 hr
Jun 27, 8:37 AM CDT	Areal Flood Warning	LOT	9 hr
Jun 27, 3:40 PM CDT	Severe Thunderstorm Watch	SPC	5 hr
Jun 27, 6:17 PM CDT	Mesoscale Discussion	SPC	118 min
Jun 27, 6:32 PM CDT	Special Weather Statement	LOT	58 min
Jun 28, 5:51 PM CDT	Severe Thunderstorm Warning	LOT	39 min
Jun 28, 6:22 PM CDT	Areal Flood Advisory	LOT	113 min
Jun 28, 6:43 PM CDT	Special Weather Statement	LOT	47 min
Jun 28, 6:48 PM CDT	Severe Thunderstorm Warning	LOT	42 min
Jun 28, 6:58 PM CDT	Areal Flood Advisory	LOT	2 hr
Jun 30, 11:43 AM CDT	Severe Thunderstorm Watch	SPC	6 hr
Jun 30, 1:02 PM CDT	Severe Thunderstorm Warning	LOT	73 min
Jun 30, 2:13 PM CDT	Severe Thunderstorm Warning	LOT	77 min
Jul 2, 2:31 PM CDT	Mesoscale Discussion	SPC	89 min
Jul 2, 7:00 PM CDT	Severe Thunderstorm Warning	LOT	45 min
Jul 2, 7:22 PM CDT	Severe Thunderstorm Warning	LOT	32 min
Jul 2, 7:41 PM CDT	Areal Flood Advisory	LOT	3 hr
Jul 2, 8:30 PM CDT	Flash Flood Warning	LOT	4 hr
Jul 5, 3:42 PM CDT	Special Weather Statement	LOT	33 min
Jul 13, 8:09 PM CDT	Areal Flood Advisory	LOT	3 hr
Jul 18, 8:12 AM CDT	Areal Flood Advisory	LOT	3 hr
Jul 18, 11:06 AM CDT	Areal Flood Advisory	LOT	3 hr
Jul 18, 11:14 AM CDT	Areal Flood Advisory	LOT	3 hr
Jul 20, 2:47 PM CDT	Severe Thunderstorm Watch	SPC	4 hr
Jul 20, 4:25 PM CDT	Severe Thunderstorm Warning	LOT	50 min
Jul 20, 4:35 PM CDT	Severe Thunderstorm Warning	LOT	40 min
Jul 20, 4:52 PM CDT	Areal Flood Advisory	LOT	3 hr
Jul 20, 4:58 PM CDT	Mesoscale Discussion	SPC	62 min
Jul 20, 5:08 PM CDT	Special Weather Statement	LOT	22 min
Jul 21, 4:35 AM CDT	Areal Flood Advisory	LOT	3 hr
Jul 21, 9:33 AM CDT	River Flood Advisory	LOT	8 hr
Jul 21, 9:33 AM CDT	River Flood Advisory	LOT	11 hr
Jul 21, 12:31 PM CDT	Areal Flood Advisory	LOT	3 hr
Jul 21, 5:04 PM CDT	River Flood Warning	LOT	17 hr
Jul 29, 5:24 PM CDT	Special Weather Statement	LOT	21 min
Jul 29, 5:41 PM CDT	Areal Flood Advisory	LOT	3 hr
Aug 16, 4:32 PM CDT	Mesoscale Discussion	SPC	2 hr
Aug 18, 5:44 AM CDT	Mesoscale Discussion	SPC	91 min
Aug 18, 6:06 AM CDT	Severe Thunderstorm Watch	SPC	6 hr
Aug 18, 6:59 AM CDT	Severe Thunderstorm Warning	LOT	61 min
Aug 18, 7:13 AM CDT	Severe Thunderstorm Warning	LOT	62 min
Aug 18, 7:20 AM CDT	Severe Thunderstorm Warning	LOT	40 min
Aug 18, 7:40 AM CDT	Mesoscale Discussion	SPC	2 hr
Aug 18, 8:11 AM CDT	Special Weather Statement	LOT	19 min
Aug 18, 8:20 AM CDT	Severe Thunderstorm Warning	LOT	55 min
Aug 18, 8:27 AM CDT	Severe Thunderstorm Warning	LOT	63 min
Aug 18, 8:41 AM CDT	Severe Thunderstorm Warning	LOT	49 min
Aug 18, 8:55 AM CDT	Areal Flood Advisory	LOT	3 hr
Aug 18, 9:17 AM CDT	Areal Flood Advisory	LOT	3 hr
Sep 3, 8:38 AM CDT	Special Weather Statement	LOT	52 min
Sep 11, 3:33 PM CDT	Mesoscale Discussion	SPC	117 min
Sep 11, 6:53 PM CDT	Tornado Warning	LOT	52 min
Sep 11, 10:21 PM CDT	Severe Thunderstorm Warning	LOT	33 min
Sep 12, 9:42 AM CDT	River Flood Warning	LOT	9 days
Sep 12, 1:27 PM CDT	Mesoscale Discussion	SPC	93 min
Sep 12, 6:04 PM CDT	Mesoscale Discussion	SPC	116 min
Sep 13, 3:28 AM CDT	Areal Flood Advisory	LOT	3 hr
Sep 13, 4:40 AM CDT	Special Weather Statement	LOT	50 min
Sep 13, 10:15 AM CDT	River Flood Advisory	LOT	6 days
Sep 13, 10:15 AM CDT	River Flood Advisory	LOT	72 hr
Sep 21, 8:43 PM CDT	River Flood Warning	LOT	5 days
Sep 21, 8:48 PM CDT	River Flood Advisory	LOT	4 days
Sep 21, 8:48 PM CDT	River Flood Advisory	LOT	52 hr
Sep 22, 6:16 PM CDT	Areal Flood Advisory	LOT	3 hr
Sep 27, 5:52 PM CDT	Areal Flood Advisory	LOT	93 min
Sep 27, 7:21 PM CDT	Areal Flood Advisory	LOT	5 hr
Sep 27, 7:48 PM CDT	Flash Flood Warning	LOT	6 hr
Sep 27, 9:55 PM CDT	River Flood Warning	LOT	58 hr
Sep 27, 10:05 PM CDT	River Flood Advisory	LOT	48 hr
Sep 28, 1:42 AM CDT	Areal Flood Warning	LOT	6 hr
Sep 29, 11:04 AM CDT	River Flood Advisory	LOT	62 hr
Oct 2, 11:46 PM CDT	Areal Flood Advisory	LOT	3 hr
Oct 3, 12:05 AM CDT	Areal Flood Advisory	LOT	4 hr
Oct 3, 12:46 AM CDT	Flash Flood Warning	LOT	4 hr
Oct 3, 5:58 AM CDT	River Flood Advisory	LOT	6 days
Oct 3, 10:03 AM CDT	River Flood Advisory	LOT	57 hr
Oct 3, 10:03 AM CDT	River Flood Advisory	LOT	45 hr
Oct 11, 2:11 PM CDT	River Flood Advisory	LOT	5 days
Oct 26, 7:10 PM CDT	Areal Flood Advisory	LOT	96 min
Oct 26, 8:44 PM CDT	Areal Flood Warning	LOT	12 hr
Oct 26, 9:57 PM CDT	River Flood Advisory	LOT	13 hr
Oct 27, 8:40 AM CDT	River Flood Advisory	LOT	50 hr
Oct 27, 9:31 AM CDT	River Flood Warning	LOT	10 hr
Oct 30, 9:24 PM CDT	River Flood Advisory	LOT	4 days

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	32
Tornado Warning	3
Severe Thunderstorm Watch	7
Tornado Watch	2
Mesoscale Discussion	18
Special Weather Statement	23
Flooding
Areal Flood Warning	3
Flash Flood Warning	8
River Flood Warning	14
Areal Flood Advisory	29
River Flood Advisory	36

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record Forecast The radar archive 2018 2020

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.