Alert archive / Illinois / Cook County
Weather alerts in Cook County, Illinois, 2007
86 weather alerts in 2007, 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 2007. Tap one for its archive.
- Alerts
- 86
- Warnings
- 48
- Watches
- 9
- Advisories
- 4
- Busiest month
- August33 alerts
- Busiest day
- August 23, 200716 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 |
|---|---|---|---|
| Dec 31, 6:14 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Jan 14, 12:21 AM CST | Mesoscale Discussion | SPC | 5 hr |
| Mar 1, 10:24 AM CST | Mesoscale Discussion | SPC | 96 min |
| Mar 1, 11:25 AM CST | Severe Thunderstorm Watch | SPC | 6 hr |
| Mar 1, 1:47 PM CST | Mesoscale Discussion | SPC | 88 min |
| Mar 21, 4:50 PM CDT | Severe Thunderstorm Warning | LOT | 14 min |
| Mar 21, 5:15 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 22, 4:20 AM CDT | Severe Thunderstorm Warning | LOT | 40 min |
| Mar 31, 8:33 PM CDT | Tornado Watch | SPC | 3 hr |
| Mar 31, 9:17 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Mar 31, 9:32 PM CDT | Severe Thunderstorm Warning | LOT | 58 min |
| May 16, 5:31 PM CDT | Severe Thunderstorm Warning | LOT | 29 min |
| May 16, 5:50 PM CDT | Severe Thunderstorm Warning | LOT | 40 min |
| May 23, 12:38 PM CDT | Red Flag Warning | LOT | 7 hr |
| May 26, 4:29 PM CDT | Severe Thunderstorm Warning | LOT | 26 min |
| Jun 3, 12:23 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Jun 7, 9:48 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Jun 7, 10:14 PM CDT | Tornado Watch | SPC | 7 hr |
| Jun 18, 3:28 PM CDT | Severe Thunderstorm Warning | LOT | 62 min |
| Jun 18, 4:02 PM CDT | Severe Thunderstorm Warning | LOT | 43 min |
| Jun 21, 9:57 AM CDT | Mesoscale Discussion | SPC | 33 min |
| Jun 26, 3:19 PM CDT | Severe Thunderstorm Warning | LOT | 26 min |
| Jun 26, 3:45 PM CDT | Flash Flood Warning | LOT | 3 hr |
| Jun 27, 4:16 PM CDT | Flash Flood Warning | LOT | 3 hr |
| Jul 9, 2:23 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 9, 3:44 PM CDT | Severe Thunderstorm Warning | LOT | 61 min |
| Jul 10, 1:43 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 18, 4:59 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Jul 18, 6:38 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Jul 18, 7:29 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 18, 7:32 PM CDT | Severe Thunderstorm Warning | LOT | 58 min |
| Jul 18, 8:45 PM CDT | Severe Thunderstorm Warning | LOT | 60 min |
| Jul 18, 9:06 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Jul 18, 9:45 PM CDT | Severe Thunderstorm Warning | LOT | 25 min |
| Jul 18, 9:50 PM CDT | Flash Flood Warning | LOT | 6 hr |
| Jul 18, 9:50 PM CDT | Flash Flood Warning | LOT | 6 hr |
| Jul 26, 3:16 AM CDT | Mesoscale Discussion | SPC | 89 min |
| Aug 5, 6:09 PM CDT | Flash Flood Warning | LOT | 6 hr |
| Aug 5, 6:09 PM CDT | Tornado Warning | LOT | 33 min |
| Aug 7, 2:32 AM CDT | Flash Flood Warning | LOT | 6 hr |
| Aug 7, 2:48 AM CDT | Severe Thunderstorm Warning | LOT | 57 min |
| Aug 7, 9:55 AM CDT | River Flood Advisory | LOT | 52 hr |
| Aug 8, 2:48 PM CDT | Tornado Warning | LOT | 42 min |
| Aug 12, 2:36 AM CDT | Severe Thunderstorm Warning | LOT | 24 min |
| Aug 12, 3:05 AM CDT | Mesoscale Discussion | SPC | 55 min |
| Aug 19, 12:45 PM CDT | River Flood Warning | LOT | 11 days |
| Aug 19, 12:45 PM CDT | River Flood Warning | LOT | 32 hr |
| Aug 20, 3:30 AM CDT | Flash Flood Warning | LOT | 7 hr |
| Aug 20, 8:43 PM CDT | River Flood Advisory | LOT | 53 hr |
| Aug 22, 7:21 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 22, 10:06 PM CDT | Severe Thunderstorm Warning | LOT | 66 min |
| Aug 22, 10:42 PM CDT | Flash Flood Warning | LOT | 4 hr |
| Aug 23, 10:36 AM CDT | Mesoscale Discussion | SPC | 114 min |
| Aug 23, 10:58 AM CDT | River Flood Warning | LOT | 4 days |
| Aug 23, 12:28 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 23, 2:40 PM CDT | Severe Thunderstorm Warning | LOT | 95 min |
| Aug 23, 2:57 PM CDT | Severe Thunderstorm Warning | LOT | 78 min |
| Aug 23, 3:10 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Aug 23, 3:13 PM CDT | Tornado Warning | LOT | 39 min |
| Aug 23, 3:23 PM CDT | Tornado Warning | LOT | 29 min |
| Aug 23, 4:53 PM CDT | Severe Thunderstorm Warning | LOT | 67 min |
| Aug 23, 5:04 PM CDT | Flash Flood Warning | LOT | 4 hr |
| Aug 23, 5:38 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Aug 23, 6:44 PM CDT | Flash Flood Warning | LOT | 4 hr |
| Aug 23, 6:44 PM CDT | Severe Thunderstorm Warning | LOT | 61 min |
| Aug 23, 7:10 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 23, 9:20 PM CDT | Flash Flood Warning | LOT | 7 hr |
| Aug 24, 2:29 AM CDT | River Flood Warning | LOT | 42 hr |
| Aug 24, 2:46 AM CDT | River Flood Advisory | LOT | 28 hr |
| Aug 25, 10:36 AM CDT | River Flood Advisory | LOT | 20 hr |
| Sep 5, 4:34 PM CDT | Severe Thunderstorm Warning | LOT | 39 min |
| Sep 7, 3:51 AM CDT | Severe Thunderstorm Warning | LOT | 24 min |
| Sep 7, 7:14 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 25, 1:36 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Sep 25, 2:42 PM CDT | Severe Thunderstorm Warning | LOT | 48 min |
| Sep 25, 3:22 PM CDT | Severe Thunderstorm Warning | LOT | 21 min |
| Sep 25, 3:29 PM CDT | Severe Thunderstorm Warning | LOT | 28 min |
| Oct 18, 3:23 PM CDT | Tornado Watch | SPC | 8 hr |
| Oct 18, 5:13 PM CDT | Severe Thunderstorm Warning | LOT | 29 min |
| Oct 18, 5:35 PM CDT | Severe Thunderstorm Warning | LOT | 55 min |
| Oct 18, 5:55 PM CDT | Severe Thunderstorm Warning | LOT | 35 min |
| Dec 1, 12:01 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Dec 1, 6:21 PM CST | Mesoscale Discussion | SPC | 5 hr |
| Dec 10, 11:15 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Dec 11, 5:56 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Dec 15, 6:29 PM CST | Mesoscale Discussion | SPC | 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 | 28 |
| Tornado Warning | 4 |
| Severe Thunderstorm Watch | 6 |
| Tornado Watch | 3 |
| Mesoscale Discussion | 25 |
| Flooding | |
| Flash Flood Warning | 11 |
| River Flood Warning | 4 |
| River Flood Advisory | 4 |
| Fire | |
| Red Flag Warning | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20062008
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.