Alert archive / Illinois / Cook County
Weather alerts in Cook County, Illinois, 2008
160 weather alerts in 2008, 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 2008. Tap one for its archive.
- Alerts
- 160
- Warnings
- 78
- Watches
- 24
- Advisories
- 19
- Busiest month
- June44 alerts
- Busiest day
- September 13, 200815 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 7, 1:47 PM CST | Mesoscale Discussion | SPC | 58 min |
| Jan 7, 2:35 PM CST | Tornado Watch | SPC | 6 hr |
| Jan 7, 5:24 PM CST | Severe Thunderstorm Warning | LOT | 52 min |
| Jan 8, 7:23 AM CST | River Flood Warning | LOT | 7 hr |
| Jan 8, 7:23 AM CST | River Flood Warning | LOT | 37 hr |
| Jan 8, 2:30 PM CST | River Flood Advisory | LOT | 22 hr |
| Jan 8, 7:51 PM CST | River Flood Warning | LOT | 23 hr |
| Jan 29, 6:15 PM CST | Mesoscale Discussion | SPC | 4 hr |
| Feb 1, 1:43 AM CST | Mesoscale Discussion | SPC | 5 hr |
| Feb 3, 4:42 PM CST | Mesoscale Discussion | SPC | 4 hr |
| Feb 6, 6:07 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 6, 11:32 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 17, 10:05 AM CST | River Flood Advisory | LOT | 34 hr |
| Mar 2, 8:39 PM CST | River Flood Warning | LOT | 37 hr |
| Mar 3, 3:05 PM CST | River Flood Warning | LOT | 18 hr |
| Mar 18, 5:52 AM CDT | River Flood Advisory | LOT | 15 hr |
| Mar 21, 4:37 AM CDT | Mesoscale Discussion | SPC | 4 hr |
| Mar 31, 11:20 AM CDT | River Flood Warning | LOT | 6 days |
| Mar 31, 11:27 AM CDT | River Flood Advisory | LOT | 47 hr |
| Apr 9, 9:43 PM CDT | River Flood Watch | LOT | 26 hr |
| Apr 9, 9:51 PM CDT | River Flood Advisory | LOT | 13 hr |
| Apr 10, 10:34 AM CDT | River Flood Watch | LOT | 13 hr |
| Apr 10, 11:17 PM CDT | River Flood Warning | LOT | 6 days |
| Apr 10, 11:31 PM CDT | River Flood Advisory | LOT | 3 days |
| Apr 11, 5:03 AM CDT | River Flood Warning | LOT | 4 hr |
| Apr 25, 5:51 PM CDT | Severe Thunderstorm Warning | LOT | 45 min |
| Apr 25, 7:13 PM CDT | Severe Thunderstorm Watch | SPC | 3 hr |
| May 2, 7:22 PM CDT | Severe Thunderstorm Warning | LOT | 25 min |
| May 2, 7:50 PM CDT | Mesoscale Discussion | SPC | 85 min |
| May 2, 8:18 PM CDT | Areal Flood Advisory | LOT | 37 days |
| May 11, 5:33 AM CDT | Areal Flood Advisory | LOT | 28 days |
| May 13, 7:11 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 25, 10:59 PM CDT | Mesoscale Discussion | SPC | 61 min |
| May 25, 11:55 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 26, 2:01 AM CDT | Areal Flood Advisory | LOT | 18 days |
| May 30, 7:56 AM CDT | Tornado Watch | SPC | 6 hr |
| May 30, 10:13 AM CDT | Mesoscale Discussion | SPC | 62 min |
| May 30, 4:29 PM CDT | Mesoscale Discussion | SPC | 61 min |
| Jun 4, 9:38 PM CDT | Severe Thunderstorm Warning | LOT | 52 min |
| Jun 4, 10:31 PM CDT | Severe Thunderstorm Warning | LOT | 44 min |
| Jun 4, 11:29 PM CDT | Flash Flood Warning | LOT | 6 hr |
| Jun 5, 1:21 AM CDT | Severe Thunderstorm Warning | LOT | 54 min |
| Jun 5, 1:38 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 5, 1:41 AM CDT | Severe Thunderstorm Warning | LOT | 64 min |
| Jun 5, 9:30 AM CDT | Mesoscale Discussion | SPC | 90 min |
| Jun 6, 1:05 PM CDT | Tornado Watch | SPC | 5 hr |
| Jun 7, 2:01 PM CDT | Tornado Watch | SPC | 6 hr |
| Jun 7, 5:07 PM CDT | Severe Thunderstorm Warning | LOT | 32 min |
| Jun 7, 5:21 PM CDT | Tornado Warning | LOT | 54 min |
| Jun 7, 6:08 PM CDT | Tornado Warning | LOT | 67 min |
| Jun 7, 6:32 PM CDT | Tornado Warning | LOT | 50 min |
| Jun 7, 6:34 PM CDT | Mesoscale Discussion | SPC | 56 min |
| Jun 7, 6:36 PM CDT | Severe Thunderstorm Warning | LOT | 24 min |
| Jun 8, 8:43 AM CDT | Mesoscale Discussion | SPC | 62 min |
| Jun 8, 9:47 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 8, 11:30 AM CDT | Severe Thunderstorm Warning | LOT | 60 min |
| Jun 8, 12:31 PM CDT | Severe Thunderstorm Warning | LOT | 44 min |
| Jun 8, 8:03 PM CDT | Tornado Watch | SPC | 5 hr |
| Jun 8, 9:41 PM CDT | Severe Thunderstorm Warning | LOT | 64 min |
| Jun 8, 10:01 PM CDT | Mesoscale Discussion | SPC | 59 min |
| Jun 12, 8:12 AM CDT | River Flood Warning | LOT | 25 hr |
| Jun 12, 1:04 PM CDT | Tornado Watch | SPC | 7 hr |
| Jun 12, 6:49 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Jun 12, 7:48 PM CDT | Tornado Watch | SPC | 6 hr |
| Jun 12, 11:15 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Jun 13, 12:31 AM CDT | Severe Thunderstorm Warning | LOT | 59 min |
| Jun 13, 1:36 AM CDT | Mesoscale Discussion | SPC | 54 min |
| Jun 13, 1:57 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 14, 5:17 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Jun 15, 5:10 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 15, 7:00 AM CDT | Severe Thunderstorm Warning | LOT | 60 min |
| Jun 15, 9:21 AM CDT | River Flood Advisory | LOT | 18 hr |
| Jun 15, 11:42 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 15, 3:23 PM CDT | Severe Thunderstorm Warning | LOT | 50 min |
| Jun 20, 10:46 AM CDT | Severe Thunderstorm Warning | LOT | 44 min |
| Jun 20, 5:17 PM CDT | Severe Thunderstorm Warning | LOT | 28 min |
| Jun 28, 10:44 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 28, 2:21 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 28, 3:23 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 28, 3:26 PM CDT | Severe Thunderstorm Warning | LOT | 34 min |
| Jun 28, 4:19 PM CDT | Severe Thunderstorm Warning | LOT | 28 min |
| Jun 28, 5:18 PM CDT | Severe Thunderstorm Warning | LOT | 18 min |
| Jul 2, 9:42 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 2, 10:09 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 2, 1:55 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Jul 2, 3:08 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 2, 4:08 PM CDT | Areal Flood Advisory | LOT | 4 hr |
| Jul 2, 4:25 PM CDT | Severe Thunderstorm Warning | LOT | 55 min |
| Jul 2, 7:03 PM CDT | Mesoscale Discussion | SPC | 57 min |
| Jul 10, 12:55 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Jul 10, 1:18 PM CDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Jul 10, 5:52 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Jul 10, 6:56 PM CDT | Severe Thunderstorm Warning | LOT | 64 min |
| Jul 10, 7:52 PM CDT | Severe Thunderstorm Warning | LOT | 37 min |
| Jul 12, 4:39 AM CDT | Severe Thunderstorm Warning | LOT | 66 min |
| Jul 18, 7:52 PM CDT | Areal Flood Advisory | LOT | 112 min |
| Jul 18, 8:34 PM CDT | Flash Flood Warning | LOT | 97 min |
| Jul 19, 11:24 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Jul 31, 11:59 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 31, 1:51 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Jul 31, 2:17 PM CDT | Severe Thunderstorm Warning | LOT | 58 min |
| Jul 31, 2:38 PM CDT | Areal Flood Advisory | LOT | 98 min |
| Jul 31, 3:00 PM CDT | Flash Flood Warning | LOT | 75 min |
| Jul 31, 3:18 PM CDT | Severe Thunderstorm Warning | LOT | 26 min |
| Jul 31, 3:51 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Aug 1, 6:47 AM CDT | Flash Flood Warning | LOT | 48 min |
| Aug 1, 6:52 AM CDT | Areal Flood Advisory | LOT | 49 min |
| Aug 4, 3:51 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Aug 4, 4:48 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 4, 6:45 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Aug 4, 7:17 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 4, 7:18 PM CDT | Severe Thunderstorm Warning | LOT | 72 min |
| Aug 4, 7:29 PM CDT | Tornado Warning | LOT | 20 min |
| Aug 4, 7:45 PM CDT | Tornado Warning | LOT | 30 min |
| Aug 4, 7:47 PM CDT | Areal Flood Advisory | LOT | 4 hr |
| Aug 4, 7:51 PM CDT | Tornado Warning | LOT | 24 min |
| Aug 4, 7:58 PM CDT | Tornado Warning | LOT | 32 min |
| Aug 4, 8:14 PM CDT | Severe Thunderstorm Warning | LOT | 76 min |
| Aug 4, 8:17 PM CDT | Tornado Warning | LOT | 28 min |
| Aug 4, 8:55 PM CDT | Areal Flood Advisory | LOT | 2 hr |
| Aug 4, 9:59 PM CDT | Severe Thunderstorm Warning | LOT | 61 min |
| Aug 4, 11:14 PM CDT | Severe Thunderstorm Warning | LOT | 61 min |
| Aug 4, 11:50 PM CDT | Flash Flood Warning | LOT | 3 hr |
| Sep 4, 5:21 PM CDT | Areal Flood Advisory | LOT | 6 hr |
| Sep 4, 8:49 PM CDT | Areal Flood Warning | LOT | 9 hr |
| Sep 12, 9:17 PM CDT | River Flood Warning | LOT | 5 days |
| Sep 12, 9:17 PM CDT | River Flood Warning | LOT | 6 days |
| Sep 13, 1:28 AM CDT | Flash Flood Warning | LOT | 6 hr |
| Sep 13, 1:46 AM CDT | Tornado Watch | SPC | 6 hr |
| Sep 13, 3:28 AM CDT | Mesoscale Discussion | SPC | 92 min |
| Sep 13, 3:34 AM CDT | Flash Flood Warning | LOT | 4 hr |
| Sep 13, 3:46 AM CDT | River Flood Warning | LOT | 4 days |
| Sep 13, 4:33 AM CDT | Flash Flood Warning | LOT | 6 hr |
| Sep 13, 5:26 AM CDT | Flash Flood Warning | LOT | 5 hr |
| Sep 13, 7:26 AM CDT | Flash Flood Warning | LOT | 3 hr |
| Sep 13, 7:35 AM CDT | Flash Flood Warning | LOT | 3 hr |
| Sep 13, 8:57 AM CDT | River Flood Warning | LOT | 4 days |
| Sep 13, 10:11 AM CDT | Areal Flood Warning | LOT | 19 hr |
| Sep 13, 10:29 AM CDT | Flash Flood Warning | LOT | 6 hr |
| Sep 13, 4:30 PM CDT | Areal Flood Warning | LOT | 13 hr |
| Sep 13, 7:44 PM CDT | Flash Flood Warning | LOT | 9 hr |
| Sep 14, 5:02 AM CDT | Flash Flood Warning | LOT | 11 hr |
| Sep 14, 4:08 PM CDT | Areal Flood Warning | LOT | 18 hr |
| Sep 15, 10:50 AM CDT | Areal Flood Warning | LOT | 28 hr |
| Nov 30, 5:34 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Dec 1, 12:37 AM CST | Mesoscale Discussion | SPC | 4 hr |
| Dec 19, 12:45 AM CST | Mesoscale Discussion | SPC | 4 hr |
| Dec 19, 6:22 AM CST | Mesoscale Discussion | SPC | 5 hr |
| Dec 26, 5:18 PM CST | River Flood Warning | LOT | 4 days |
| Dec 26, 10:38 PM CST | River Flood Warning | LOT | 57 hr |
| Dec 26, 10:48 PM CST | River Flood Advisory | LOT | 10 hr |
| Dec 27, 3:57 AM CST | Flash Flood Warning | LOT | 6 hr |
| Dec 27, 9:01 AM CST | River Flood Warning | LOT | 34 hr |
| Dec 27, 9:10 AM CST | Flash Flood Warning | LOT | 11 hr |
| Dec 27, 10:45 AM CST | River Flood Warning | LOT | 6 days |
| Dec 27, 12:30 PM CST | Tornado Watch | SPC | 4 hr |
| Dec 27, 1:25 PM CST | Severe Thunderstorm Warning | LOT | 80 min |
| Dec 27, 1:54 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Dec 27, 8:04 PM CST | Areal Flood Warning | LOT | 24 hr |
| Dec 31, 4:12 AM CST | River Flood Advisory | LOT | 43 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20072009
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.