Alert archive / Illinois / Cook County / 2021
Weather alerts in Cook County, Illinois, July 2021
21 weather alerts in July 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 21
- Warnings
- 6
- Watches
- 2
- Advisories
- 0
- Busiest day
- July 24, 20216 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
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 |
|---|---|---|---|
| Jul 7, 2:02 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Jul 8, 2:58 AM CDT | Beach Hazards Statement | LOT | 37 hr |
| Jul 10, 11:06 AM CDT | Beach Hazards Statement | LOT | 40 hr |
| Jul 14, 2:01 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Jul 19, 3:52 PM CDT | Beach Hazards Statement | LOT | 44 hr |
| Jul 24, 3:00 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 24, 3:32 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 24, 3:54 PM CDT | Severe Thunderstorm Warning | LOT | 51 min |
| Jul 24, 4:26 PM CDT | Severe Thunderstorm Warning | LOT | 49 min |
| Jul 24, 5:01 PM CDT | Severe Thunderstorm Warning | LOT | 59 min |
| Jul 24, 5:21 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Jul 28, 4:32 AM CDT | Special Weather Statement | LOT | 43 min |
| Jul 28, 4:50 AM CDT | Severe Thunderstorm Warning | LOT | 25 min |
| Jul 28, 3:44 PM CDT | Beach Hazards Statement | LOT | 51 hr |
| Jul 29, 12:32 AM CDT | Mesoscale Discussion | SPC | 88 min |
| Jul 29, 1:00 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 29, 1:34 AM CDT | Mesoscale Discussion | SPC | 86 min |
| Jul 29, 2:14 AM CDT | Severe Thunderstorm Warning | LOT | 76 min |
| Jul 29, 2:58 AM CDT | Severe Thunderstorm Warning | LOT | 77 min |
| Jul 29, 3:18 AM CDT | Mesoscale Discussion | SPC | 87 min |
| Jul 31, 2:51 AM CDT | Beach Hazards Statement | LOT | 52 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 | 6 |
| Severe Thunderstorm Watch | 2 |
| Mesoscale Discussion | 7 |
| Special Weather Statement | 1 |
| Coast and beach | |
| Beach Hazards Statement | 5 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20202022
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.