Alert archive / Illinois / Williamson County / 2011
Weather alerts in Williamson County, Illinois, July 2011
17 weather alerts in July 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 17
- Warnings
- 3
- Watches
- 3
- Advisories
- 8
- Busiest day
- July 10, 20113 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 3, 10:51 AM CDT | Heat Advisory | PAH | 7 hr |
| Jul 3, 5:19 PM CDT | Mesoscale Discussion | SPC | 26 min |
| Jul 7, 8:10 PM CDT | Areal Flood Advisory | PAH | 4 hr |
| Jul 9, 3:09 PM CDT | Heat Advisory | PAH | 27 hr |
| Jul 10, 3:53 AM CDT | Excessive Heat Watch | PAH | 10 hr |
| Jul 10, 1:28 PM CDT | Excessive Heat Warning | PAH | 56 hr |
| Jul 10, 1:28 PM CDT | Heat Advisory | PAH | 25 hr |
| Jul 12, 1:00 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 12, 1:45 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 12, 6:43 PM CDT | Mesoscale Discussion | SPC | 62 min |
| Jul 12, 8:34 PM CDT | Flash Flood Warning | PAH | 86 min |
| Jul 16, 3:23 PM CDT | Excessive Heat Watch | PAH | 67 hr |
| Jul 18, 3:06 PM CDT | Heat Advisory | PAH | 19 hr |
| Jul 19, 9:58 AM CDT | Excessive Heat Warning | PAH | 5 days |
| Jul 27, 3:26 AM CDT | Heat Advisory | PAH | 40 hr |
| Jul 29, 3:27 AM CDT | Heat Advisory | PAH | 16 hr |
| Jul 31, 1:26 PM CDT | Heat Advisory | PAH | 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 Watch | 1 |
| Mesoscale Discussion | 3 |
| Flooding | |
| Flash Flood Warning | 1 |
| Areal Flood Advisory | 1 |
| Heat | |
| Excessive Heat Warning | 2 |
| Excessive Heat Watch | 2 |
| Heat Advisory | 7 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20102012
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.