Alert archive / Illinois / Cook County
Weather alerts in Cook County, Illinois, 1997
27 weather alerts in 1997, 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 1997. Tap one for its archive.
- Alerts
- 27
- Warnings
- 16
- Watches
- 11
- Advisories
- 0
- Busiest month
- July8 alerts
- Busiest day
- June 21, 19974 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 |
|---|---|---|---|
| Feb 21, 8:14 AM CST | Flash Flood Warning | LOT | 4 hr |
| Feb 21, 8:32 AM CST | Flash Flood Warning | LOT | 3 hr |
| Feb 21, 11:35 AM CST | Flash Flood Warning | LOT | 6 hr |
| Apr 5, 5:26 PM CST | Severe Thunderstorm Warning | LOT | 34 min |
| Apr 30, 3:30 PM CDT | Tornado Watch | SPC | 6 hr |
| May 5, 1:45 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 5, 2:10 PM CDT | Severe Thunderstorm Warning | LOT | 50 min |
| May 18, 5:30 PM CDT | Tornado Watch | SPC | 6 hr |
| May 18, 8:04 PM CDT | Tornado Warning | LOT | 56 min |
| Jun 20, 7:48 PM CDT | Severe Thunderstorm Warning | LOT | 57 min |
| Jun 20, 8:54 PM CDT | Severe Thunderstorm Warning | LOT | 51 min |
| Jun 21, 2:15 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 21, 7:00 AM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jul 18, 1:12 PM CDT | Severe Thunderstorm Warning | LOT | 63 min |
| Jul 18, 1:45 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 18, 2:52 PM CDT | Severe Thunderstorm Warning | LOT | 53 min |
| Jul 18, 3:37 PM CDT | Severe Thunderstorm Warning | LOT | 68 min |
| Jul 25, 7:45 PM CDT | Tornado Watch | SPC | 5 hr |
| Jul 26, 6:46 PM CDT | Severe Thunderstorm Warning | LOT | 59 min |
| Jul 26, 7:15 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 27, 8:45 AM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Aug 3, 8:04 PM CDT | Severe Thunderstorm Warning | LOT | 26 min |
| Aug 3, 9:05 PM CDT | Severe Thunderstorm Warning | LOT | 55 min |
| Aug 16, 5:15 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 16, 6:05 PM CDT | Severe Thunderstorm Warning | LOT | 25 min |
| Aug 16, 7:29 PM CDT | Flash Flood Warning | LOT | 3 hr |
| Sep 19, 11:00 AM CDT | Severe Thunderstorm Watch | SPC | 5 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 | 11 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 8 |
| Tornado Watch | 3 |
| Flooding | |
| Flash Flood Warning | 4 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive19961998
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.