Alert archive / Illinois / Cook County
Weather alerts in Cook County, Illinois, 2012
110 weather alerts in 2012, 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 2012. Tap one for its archive.
- Alerts
- 110
- Warnings
- 48
- Watches
- 16
- Advisories
- 8
- Busiest month
- July32 alerts
- Busiest day
- August 4, 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 |
|---|---|---|---|
| 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 20, 1:08 PM CDT | Red Flag Warning | LOT | 6 hr |
| Mar 27, 8:43 PM CDT | Mesoscale Discussion | SPC | 2 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 15, 12:00 AM CDT | Special Weather Statement | LOT | 30 min |
| Apr 15, 12:32 AM CDT | Special Weather Statement | LOT | 28 min |
| Apr 15, 2:08 AM CDT | Areal Flood Advisory | LOT | 3 hr |
| Apr 15, 6:12 PM CDT | Mesoscale Discussion | SPC | 63 min |
| Apr 22, 5:38 AM CDT | Fire Weather Watch | LOT | 12 hr |
| Apr 22, 5:37 PM CDT | Red Flag Warning | LOT | 25 hr |
| May 3, 1:07 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 3, 2:53 PM CDT | Mesoscale Discussion | SPC | 67 min |
| May 3, 6:12 PM CDT | Special Weather Statement | LOT | 33 min |
| May 3, 6:20 PM CDT | Severe Thunderstorm Warning | LOT | 43 min |
| May 3, 6:22 PM CDT | Mesoscale Discussion | SPC | 23 min |
| May 3, 6:41 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 3, 7:08 PM CDT | Severe Thunderstorm Warning | LOT | 67 min |
| May 3, 7:23 PM CDT | Flash Flood Warning | LOT | 4 hr |
| May 3, 8:00 PM CDT | Severe Thunderstorm Warning | LOT | 75 min |
| May 3, 9:50 PM CDT | Severe Thunderstorm Warning | LOT | 55 min |
| May 3, 10:10 PM CDT | Flash Flood Warning | LOT | 5 hr |
| May 3, 10:29 PM CDT | Mesoscale Discussion | SPC | 61 min |
| May 3, 10:47 PM CDT | Special Weather Statement | LOT | 28 min |
| May 6, 1:42 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 6, 1:55 PM CDT | Special Weather Statement | LOT | 65 min |
| May 6, 2:37 PM CDT | Severe Thunderstorm Warning | LOT | 38 min |
| May 6, 9:01 PM CDT | Special Weather Statement | LOT | 59 min |
| May 6, 10:32 PM CDT | Special Weather Statement | LOT | 43 min |
| May 6, 10:35 PM CDT | Special Weather Statement | LOT | 40 min |
| May 6, 11:24 PM CDT | Flash Flood Warning | LOT | 6 hr |
| May 15, 7:21 PM CDT | Severe Thunderstorm Warning | LOT | 39 min |
| May 24, 10:56 AM CDT | Red Flag Warning | LOT | 9 hr |
| May 28, 6:02 PM CDT | Severe Thunderstorm Watch | SPC | 3 hr |
| May 28, 7:22 PM CDT | Special Weather Statement | LOT | 23 min |
| May 29, 3:13 AM CDT | Red Flag Warning | LOT | 17 hr |
| Jun 16, 6:40 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 28, 4:53 PM CDT | Severe Thunderstorm Warning | LOT | 37 min |
| Jun 28, 5:16 PM CDT | Severe Thunderstorm Warning | LOT | 46 min |
| Jun 28, 5:30 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Jun 28, 6:35 PM CDT | Severe Thunderstorm Warning | LOT | 55 min |
| Jun 28, 6:55 PM CDT | Severe Thunderstorm Warning | LOT | 65 min |
| Jun 28, 7:27 PM CDT | Severe Thunderstorm Warning | LOT | 63 min |
| Jun 28, 8:10 PM CDT | Areal Flood Advisory | LOT | 68 min |
| Jun 29, 10:44 AM CDT | Severe Thunderstorm Warning | LOT | 61 min |
| Jun 29, 10:49 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 29, 9:40 PM CDT | Severe Thunderstorm Warning | LOT | 65 min |
| Jun 29, 11:24 PM CDT | Severe Thunderstorm Warning | LOT | 81 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 1, 12:16 PM CDT | Severe Thunderstorm Warning | LOT | 59 min |
| Jul 1, 12:16 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 1, 12:24 PM CDT | Severe Thunderstorm Warning | LOT | 66 min |
| Jul 5, 2:40 PM CDT | Special Weather Statement | LOT | 65 min |
| Jul 5, 2:52 PM CDT | Special Weather Statement | LOT | 53 min |
| Jul 5, 3:12 PM CDT | Special Weather Statement | LOT | 33 min |
| Jul 5, 3:39 PM CDT | Severe Thunderstorm Warning | LOT | 54 min |
| Jul 5, 5:51 PM CDT | Severe Thunderstorm Warning | LOT | 54 min |
| Jul 13, 1:54 PM CDT | Special Weather Statement | LOT | 51 min |
| Jul 13, 2:59 PM CDT | Special Weather Statement | LOT | 61 min |
| Jul 18, 12:58 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 18, 2:32 PM CDT | Special Weather Statement | LOT | 18 min |
| Jul 18, 2:47 PM CDT | Special Weather Statement | LOT | 18 min |
| Jul 18, 6:56 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Jul 18, 7:43 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 18, 8:46 PM CDT | Severe Thunderstorm Warning | LOT | 74 min |
| Jul 18, 9:51 PM CDT | Areal Flood Advisory | LOT | 6 hr |
| Jul 18, 9:52 PM CDT | Severe Thunderstorm Warning | LOT | 68 min |
| Jul 18, 10:02 PM CDT | Areal Flood Advisory | LOT | 6 hr |
| Jul 18, 10:17 PM CDT | Areal Flood Advisory | LOT | 6 hr |
| Jul 19, 12:23 AM CDT | Special Weather Statement | LOT | 37 min |
| Jul 24, 4:47 AM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jul 24, 5:30 AM CDT | Severe Thunderstorm Warning | LOT | 60 min |
| Jul 24, 6:09 AM CDT | Areal Flood Advisory | LOT | 3 hr |
| Jul 24, 6:09 AM CDT | Severe Thunderstorm Warning | LOT | 66 min |
| Jul 24, 6:35 AM CDT | Mesoscale Discussion | SPC | 55 min |
| Jul 25, 3:48 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Jul 26, 1:35 AM CDT | Severe Thunderstorm Warning | LOT | 40 min |
| Jul 26, 1:40 AM CDT | Mesoscale Discussion | SPC | 65 min |
| Jul 31, 2:06 AM CDT | Severe Thunderstorm Warning | LOT | 54 min |
| Aug 4, 10:26 AM CDT | Mesoscale Discussion | SPC | 49 min |
| Aug 4, 1:46 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Aug 4, 2:59 PM CDT | Severe Thunderstorm Warning | LOT | 76 min |
| Aug 4, 3:22 PM CDT | Special Weather Statement | LOT | 53 min |
| Aug 4, 3:35 PM CDT | Severe Thunderstorm Warning | LOT | 46 min |
| Aug 4, 3:50 PM CDT | Severe Thunderstorm Warning | LOT | 55 min |
| Aug 4, 3:52 PM CDT | Flash Flood Warning | LOT | 2 hr |
| Aug 4, 3:57 PM CDT | Mesoscale Discussion | SPC | 63 min |
| Aug 4, 4:13 PM CDT | Areal Flood Advisory | LOT | 100 min |
| Aug 16, 3:57 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 20, 8:45 AM CDT | Special Weather Statement | LOT | 45 min |
| Aug 20, 1:10 PM CDT | Severe Thunderstorm Warning | LOT | 44 min |
| Aug 26, 7:42 PM CDT | Flash Flood Warning | LOT | 6 hr |
| Aug 26, 7:54 PM CDT | Flash Flood Warning | LOT | 6 hr |
| Sep 4, 8:51 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Sep 4, 9:45 PM CDT | Severe Thunderstorm Warning | LOT | 60 min |
| Sep 4, 10:35 PM CDT | Severe Thunderstorm Warning | LOT | 70 min |
| Sep 5, 4:02 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Sep 8, 9:14 PM CDT | Special Weather Statement | LOT | 61 min |
| Sep 19, 4:14 AM CDT | Red Flag Warning | LOT | 15 hr |
| Oct 7, 5:15 PM CDT | Red Flag Warning | LOT | 25 hr |
| Oct 14, 1:19 PM CDT | Special Weather Statement | LOT | 26 min |
| Oct 14, 2:11 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 14, 2:19 PM CDT | Tornado Warning | LOT | 19 min |
| Oct 22, 8:31 PM CDT | Areal Flood Advisory | LOT | 6 hr |
| Nov 10, 12:11 PM CST | Severe Thunderstorm Warning | LOT | 21 min |
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 | 1 |
| Severe Thunderstorm Watch | 12 |
| Mesoscale Discussion | 17 |
| Special Weather Statement | 21 |
| Flooding | |
| Flash Flood Warning | 6 |
| Areal Flood Advisory | 8 |
| Fire | |
| Red Flag Warning | 9 |
| Fire Weather Watch | 4 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20112013
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.