Alert archive / Illinois / Knox County / 2021
Weather alerts in Knox County, Illinois, June 2021
17 weather alerts in June 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 17
- Warnings
- 7
- Watches
- 5
- Advisories
- 2
- Busiest day
- June 19, 20217 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 |
|---|---|---|---|
| Jun 1, 1:20 AM CDT | Dense Fog Advisory | ILX | 6 hr |
| Jun 18, 9:20 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 18, 10:24 PM CDT | Severe Thunderstorm Warning | ILX | 36 min |
| Jun 18, 11:06 PM CDT | Severe Thunderstorm Warning | ILX | 39 min |
| Jun 18, 11:47 PM CDT | Severe Thunderstorm Warning | ILX | 43 min |
| Jun 18, 11:57 PM CDT | Tornado Warning | ILX | 33 min |
| Jun 19, 12:28 AM CDT | Flash Flood Warning | ILX | 5 hr |
| Jun 19, 2:10 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 20, 10:57 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 20, 8:10 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 20, 9:54 PM CDT | Mesoscale Discussion | SPC | 66 min |
| Jun 24, 10:03 AM CDT | River Flood Warning | ILX | 72 hr |
| Jun 24, 2:28 PM CDT | Flash Flood Watch | ILX | 54 hr |
| Jun 24, 11:47 PM CDT | Tornado Watch | SPC | 4 hr |
| Jun 25, 1:42 AM CDT | Flash Flood Warning | ILX | 6 hr |
| Jun 28, 3:13 AM CDT | Flash Flood Watch | ILX | 40 hr |
| Jun 30, 6:08 PM CDT | Areal Flood Advisory | ILX | 3 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 | 3 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 2 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 3 |
| Flooding | |
| Flash Flood Warning | 2 |
| River Flood Warning | 1 |
| Flash Flood Watch | 2 |
| Areal Flood Advisory | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
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.