Alert archive / Illinois / Sangamon County / 2011
Weather alerts in Sangamon County, Illinois, April 2011
28 weather alerts in April 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 28
- Warnings
- 11
- Watches
- 4
- Advisories
- 3
- Busiest day
- April 15, 201110 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 2, 3:30 PM CDT | Wind Advisory | ILX | 28 hr |
| Apr 4, 1:29 AM CDT | Mesoscale Discussion | SPC | 91 min |
| Apr 9, 3:54 AM CDT | Severe Thunderstorm Warning | ILX | 66 min |
| Apr 9, 4:12 AM CDT | Mesoscale Discussion | SPC | 93 min |
| Apr 9, 4:44 AM CDT | Areal Flood Advisory | ILX | 3 hr |
| Apr 10, 6:05 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 15, 12:29 PM CDT | Mesoscale Discussion | SPC | 61 min |
| Apr 15, 12:47 PM CDT | Tornado Watch | SPC | 9 hr |
| Apr 15, 4:59 PM CDT | Tornado Warning | ILX | 46 min |
| Apr 15, 5:17 PM CDT | Tornado Warning | ILX | 43 min |
| Apr 15, 5:28 PM CDT | Tornado Warning | ILX | 47 min |
| Apr 15, 5:42 PM CDT | Tornado Warning | ILX | 48 min |
| Apr 15, 5:57 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 15, 6:00 PM CDT | Tornado Warning | ILX | 45 min |
| Apr 15, 6:27 PM CDT | Tornado Warning | ILX | 48 min |
| Apr 15, 6:38 PM CDT | Severe Thunderstorm Warning | ILX | 37 min |
| Apr 19, 2:53 AM CDT | Mesoscale Discussion | SPC | 67 min |
| Apr 19, 3:11 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 19, 5:00 AM CDT | Special Weather Statement | ILX | 90 min |
| Apr 19, 5:52 AM CDT | Mesoscale Discussion | SPC | 83 min |
| Apr 19, 1:00 PM CDT | Tornado Watch | SPC | 10 hr |
| Apr 19, 5:40 PM CDT | Severe Thunderstorm Warning | ILX | 50 min |
| Apr 19, 5:47 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Apr 19, 6:01 PM CDT | Severe Thunderstorm Warning | ILX | 34 min |
| Apr 19, 6:12 PM CDT | Tornado Warning | ILX | 36 min |
| Apr 22, 7:31 PM CDT | Mesoscale Discussion | SPC | 59 min |
| Apr 28, 12:38 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Apr 30, 1:24 PM CDT | Wind Advisory | ILX | 4 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 | 4 |
| Tornado Warning | 7 |
| Severe Thunderstorm Watch | 1 |
| Tornado Watch | 3 |
| Mesoscale Discussion | 9 |
| Special Weather Statement | 1 |
| Flooding | |
| Areal Flood Advisory | 1 |
| Wind and dust | |
| Wind Advisory | 2 |
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.