Alert archive / Illinois / Williamson County / 2010
Weather alerts in Williamson County, Illinois, May 2010
20 weather alerts in May 2010, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 20
- Warnings
- 2
- Watches
- 2
- Advisories
- 8
- Busiest day
- May 1, 20104 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 |
|---|---|---|---|
| Apr 30, 8:36 PM CDT | Mesoscale Discussion | SPC | 54 min |
| Apr 30, 9:03 PM CDT | Tornado Watch | SPC | 6 hr |
| Apr 30, 11:26 PM CDT | Severe Thunderstorm Warning | PAH | 34 min |
| Apr 30, 11:41 PM CDT | Mesoscale Discussion | SPC | 64 min |
| May 1, 9:45 PM CDT | Mesoscale Discussion | SPC | 30 min |
| May 1, 10:14 PM CDT | Tornado Watch | SPC | 7 hr |
| May 2, 2:09 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 3, 3:43 AM CDT | Dense Fog Advisory | PAH | 4 hr |
| May 3, 5:12 PM CDT | Mesoscale Discussion | SPC | 93 min |
| May 5, 1:23 PM CDT | Lake Wind Advisory | PAH | 5 hr |
| May 6, 3:32 PM CDT | Lake Wind Advisory | PAH | 28 hr |
| May 7, 3:17 PM CDT | Lake Wind Advisory | PAH | 27 hr |
| May 7, 5:07 PM CDT | Mesoscale Discussion | SPC | 113 min |
| May 7, 5:16 PM CDT | Severe Thunderstorm Warning | PAH | 44 min |
| May 10, 12:39 PM CDT | Lake Wind Advisory | PAH | 29 hr |
| May 13, 4:09 AM CDT | Lake Wind Advisory | PAH | 14 hr |
| May 13, 5:41 PM CDT | Mesoscale Discussion | SPC | 94 min |
| May 24, 11:51 AM CDT | Mesoscale Discussion | SPC | 54 min |
| May 26, 6:51 PM CDT | Areal Flood Advisory | PAH | 100 min |
| May 27, 7:09 PM CDT | Areal Flood Advisory | PAH | 34 min |
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 | 2 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 8 |
| Flooding | |
| Areal Flood Advisory | 2 |
| Wind and dust | |
| Lake Wind Advisory | 5 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20092011
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.