Alert archive / Illinois / Cook County / 2020
Weather alerts in Cook County, Illinois, August 2020
24 weather alerts in August 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 24
- Warnings
- 7
- Watches
- 1
- Advisories
- 4
- Busiest day
- August 10, 20209 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 |
|---|---|---|---|
| Aug 2, 3:25 AM CDT | Beach Hazards Statement | LOT | 3 days |
| Aug 2, 3:16 PM CDT | Lakeshore Flood Advisory | LOT | 54 hr |
| Aug 2, 4:38 PM CDT | Special Weather Statement | LOT | 37 min |
| Aug 2, 5:14 PM CDT | Areal Flood Advisory | LOT | 2 hr |
| Aug 2, 5:14 PM CDT | Special Weather Statement | LOT | 31 min |
| Aug 10, 10:42 AM CDT | Mesoscale Discussion | SPC | 93 min |
| Aug 10, 11:26 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 10, 1:36 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Aug 10, 2:03 PM CDT | Beach Hazards Statement | LOT | 23 hr |
| Aug 10, 2:56 PM CDT | Severe Thunderstorm Warning | LOT | 49 min |
| Aug 10, 3:32 PM CDT | Severe Thunderstorm Warning | LOT | 43 min |
| Aug 10, 3:36 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Aug 10, 3:43 PM CDT | Tornado Warning | LOT | 26 min |
| Aug 10, 4:23 PM CDT | High Wind Warning | LOT | 90 min |
| Aug 15, 4:40 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Aug 17, 3:41 AM CDT | Beach Hazards Statement | LOT | 48 hr |
| Aug 23, 4:44 PM CDT | Severe Thunderstorm Warning | LOT | 46 min |
| Aug 23, 5:24 PM CDT | Areal Flood Advisory | LOT | 2 hr |
| Aug 23, 7:35 PM CDT | Severe Thunderstorm Warning | LOT | 23 min |
| Aug 23, 7:52 PM CDT | Areal Flood Advisory | LOT | 113 min |
| Aug 25, 3:53 AM CDT | Severe Thunderstorm Warning | LOT | 54 min |
| Aug 25, 4:39 AM CDT | Special Weather Statement | LOT | 36 min |
| Aug 28, 3:16 AM CDT | Beach Hazards Statement | LOT | 59 hr |
| Aug 31, 3:01 PM CDT | Beach Hazards Statement | LOT | 25 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 | 5 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 1 |
| Mesoscale Discussion | 4 |
| Special Weather Statement | 3 |
| Flooding | |
| Areal Flood Advisory | 3 |
| Wind and dust | |
| High Wind Warning | 1 |
| Coast and beach | |
| Lakeshore Flood Advisory | 1 |
| Beach Hazards Statement | 5 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20192021
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.