Alert archive / Illinois / Cook County / 2021
Weather alerts in Cook County, Illinois, February 2021
11 weather alerts in February 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 11
- Warnings
- 1
- Watches
- 1
- Advisories
- 8
- Busiest day
- February 14, 20212 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 |
|---|---|---|---|
| Feb 3, 2:29 PM CST | Winter Weather Advisory | LOT | 46 hr |
| Feb 5, 2:24 PM CST | Winter Weather Advisory | LOT | 31 hr |
| Feb 6, 3:34 AM CST | Wind Chill Advisory | LOT | 32 hr |
| Feb 8, 11:13 AM CST | Winter Weather Advisory | LOT | 16 hr |
| Feb 11, 4:10 PM CST | Winter Weather Advisory | LOT | 12 hr |
| Feb 13, 3:33 AM CST | Wind Chill Advisory | LOT | 56 hr |
| Feb 14, 3:59 AM CST | Winter Storm Watch | LOT | 10 hr |
| Feb 14, 2:19 PM CST | Winter Storm Warning | LOT | 49 hr |
| Feb 15, 2:52 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 27, 5:30 AM CST | Dense Fog Advisory | LOT | 6 hr |
| Feb 28, 6:29 AM CST | Dense Fog Advisory | LOT | 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 | |
| Mesoscale Discussion | 1 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 4 |
| Cold | |
| Wind Chill Advisory | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
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.