Alert archive / Illinois / Sangamon County
Weather alerts in Sangamon County, Illinois, 2009
139 weather alerts in 2009, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Sangamon County and its neighbors
Each county as a circle sized by its count in 2009. Tap one for its archive.
- Alerts
- 139
- Warnings
- 45
- Watches
- 25
- Advisories
- 31
- Busiest month
- May32 alerts
- Busiest day
- May 15, 20099 alerts
Over time
By month
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 |
|---|---|---|---|
| Jan 3, 8:40 PM CST | Dense Fog Advisory | ILX | 9 hr |
| Jan 13, 2:53 PM CST | Wind Chill Advisory | ILX | 68 hr |
| Jan 13, 2:53 PM CST | Winter Weather Advisory | ILX | 27 hr |
| Jan 13, 11:38 PM CST | Mesoscale Discussion | SPC | 4 hr |
| Jan 26, 3:35 AM CST | Winter Weather Advisory | ILX | 54 hr |
| Feb 10, 10:33 AM CST | Flood Watch | ILX | 29 hr |
| Feb 10, 12:36 PM CST | Wind Advisory | ILX | 32 hr |
| Feb 26, 3:28 AM CST | Dense Fog Advisory | ILX | 7 hr |
| Feb 26, 6:57 AM CST | Mesoscale Discussion | SPC | 93 min |
| Feb 26, 9:26 AM CST | Mesoscale Discussion | SPC | 2 hr |
| Feb 26, 7:42 PM CST | Mesoscale Discussion | SPC | 93 min |
| Mar 5, 10:32 AM CST | Wind Advisory | ILX | 7 hr |
| Mar 8, 9:26 AM CDT | Mesoscale Discussion | SPC | 64 min |
| Mar 8, 9:31 AM CDT | Wind Advisory | ILX | 11 hr |
| Mar 8, 10:39 AM CDT | Tornado Watch | SPC | 7 hr |
| Mar 8, 11:18 AM CDT | Severe Thunderstorm Warning | ILX | 42 min |
| Mar 8, 11:35 AM CDT | Mesoscale Discussion | SPC | 115 min |
| Mar 8, 11:40 AM CDT | Tornado Warning | ILX | 35 min |
| Mar 10, 3:15 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 10, 3:52 PM CDT | Wind Advisory | ILX | 14 hr |
| Mar 23, 3:30 PM CDT | Wind Advisory | ILX | 24 hr |
| Mar 24, 3:19 PM CDT | High Wind Warning | ILX | 5 hr |
| Mar 27, 2:21 PM CDT | Winter Storm Watch | ILX | 13 hr |
| Mar 28, 3:48 AM CDT | Winter Weather Advisory | ILX | 28 hr |
| Apr 5, 10:50 AM CDT | Mesoscale Discussion | SPC | 115 min |
| Apr 26, 1:29 PM CDT | Wind Advisory | ILX | 6 hr |
| Apr 27, 5:34 PM CDT | Mesoscale Discussion | SPC | 56 min |
| Apr 27, 6:59 PM CDT | Special Weather Statement | ILX | 61 min |
| Apr 29, 3:11 PM CDT | Flash Flood Watch | ILX | 19 hr |
| Apr 30, 2:09 AM CDT | Areal Flood Advisory | ILX | 6 hr |
| Apr 30, 3:01 AM CDT | Areal Flood Advisory | ILX | 6 hr |
| May 7, 4:53 PM CDT | Severe Thunderstorm Warning | ILX | 52 min |
| May 7, 5:33 PM CDT | Severe Thunderstorm Warning | ILX | 42 min |
| May 7, 5:43 PM CDT | Severe Thunderstorm Warning | ILX | 47 min |
| May 7, 5:56 PM CDT | Mesoscale Discussion | SPC | 64 min |
| May 7, 6:14 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| May 13, 9:27 AM CDT | Mesoscale Discussion | SPC | 63 min |
| May 13, 10:08 AM CDT | Areal Flood Advisory | ILX | 3 hr |
| May 13, 2:44 PM CDT | Flood Watch | ILX | 14 hr |
| May 13, 5:47 PM CDT | Mesoscale Discussion | SPC | 88 min |
| May 13, 6:02 PM CDT | Tornado Watch | SPC | 5 hr |
| May 13, 8:35 PM CDT | Mesoscale Discussion | SPC | 85 min |
| May 13, 9:56 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 13, 10:11 PM CDT | Severe Thunderstorm Warning | ILX | 49 min |
| May 13, 10:17 PM CDT | Mesoscale Discussion | SPC | 58 min |
| May 13, 10:41 PM CDT | Severe Thunderstorm Warning | ILX | 49 min |
| May 13, 10:55 PM CDT | Flash Flood Warning | ILX | 6 hr |
| May 14, 3:02 PM CDT | Flash Flood Watch | ILX | 32 hr |
| May 15, 2:05 PM CDT | Mesoscale Discussion | SPC | 25 min |
| May 15, 2:39 PM CDT | Tornado Watch | SPC | 7 hr |
| May 15, 4:49 PM CDT | Tornado Warning | ILX | 26 min |
| May 15, 5:14 PM CDT | Tornado Warning | ILX | 46 min |
| May 15, 5:31 PM CDT | Mesoscale Discussion | SPC | 119 min |
| May 15, 5:40 PM CDT | Tornado Warning | ILX | 50 min |
| May 15, 5:54 PM CDT | Flash Flood Warning | ILX | 6 hr |
| May 15, 6:26 PM CDT | Severe Thunderstorm Warning | ILX | 30 min |
| May 15, 6:42 PM CDT | Severe Thunderstorm Warning | ILX | 48 min |
| May 15, 11:31 PM CDT | Areal Flood Warning | ILX | 35 days |
| May 16, 11:50 AM CDT | Areal Flood Warning | ILX | 189 days |
| May 29, 3:17 PM CDT | Mesoscale Discussion | SPC | 88 min |
| May 30, 2:44 PM CDT | Mesoscale Discussion | SPC | 91 min |
| May 30, 6:01 PM CDT | Mesoscale Discussion | SPC | 59 min |
| May 30, 6:53 PM CDT | Severe Thunderstorm Warning | ILX | 25 min |
| Jun 2, 11:58 AM CDT | Mesoscale Discussion | SPC | 92 min |
| Jun 2, 12:27 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 2, 3:47 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Jun 2, 4:57 PM CDT | Special Weather Statement | ILX | 63 min |
| Jun 2, 6:22 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Jun 8, 11:54 AM CDT | Mesoscale Discussion | SPC | 96 min |
| Jun 10, 7:46 PM CDT | Tornado Watch | SPC | 6 hr |
| Jun 10, 8:58 PM CDT | Mesoscale Discussion | SPC | 62 min |
| Jun 16, 8:31 AM CDT | Areal Flood Advisory | ILX | 4 hr |
| Jun 18, 3:20 AM CDT | Mesoscale Discussion | SPC | 85 min |
| Jun 18, 4:12 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 18, 5:39 AM CDT | Severe Thunderstorm Warning | ILX | 66 min |
| Jun 18, 6:09 AM CDT | Severe Thunderstorm Warning | ILX | 51 min |
| Jun 19, 9:50 AM CDT | Heat Advisory | ILX | 9 hr |
| Jun 19, 2:24 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 19, 4:59 PM CDT | Severe Thunderstorm Warning | ILX | 46 min |
| Jun 19, 5:21 PM CDT | Severe Thunderstorm Warning | ILX | 39 min |
| Jun 19, 5:37 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Jun 19, 5:59 PM CDT | Severe Thunderstorm Warning | ILX | 46 min |
| Jun 19, 7:59 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Jun 21, 2:23 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Jun 22, 1:54 AM CDT | Heat Advisory | ILX | 65 hr |
| Jun 25, 10:38 AM CDT | Heat Advisory | ILX | 8 hr |
| Jun 26, 1:52 AM CDT | Heat Advisory | ILX | 17 hr |
| Jun 27, 8:57 PM CDT | Severe Thunderstorm Warning | ILX | 48 min |
| Jun 27, 9:16 PM CDT | Mesoscale Discussion | SPC | 59 min |
| Jun 27, 9:42 PM CDT | Special Weather Statement | ILX | 63 min |
| Jul 8, 3:42 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Jul 15, 2:33 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 24, 9:51 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jul 24, 11:16 PM CDT | Severe Thunderstorm Warning | ILX | 59 min |
| Jul 24, 11:46 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Jul 25, 12:06 AM CDT | Severe Thunderstorm Warning | ILX | 39 min |
| Jul 25, 12:37 AM CDT | Severe Thunderstorm Warning | ILX | 53 min |
| Jul 28, 2:34 PM CDT | Flash Flood Warning | ILX | 6 hr |
| Jul 28, 2:54 PM CDT | Severe Thunderstorm Warning | ILX | 37 min |
| Aug 3, 4:06 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Aug 4, 7:39 AM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Aug 4, 7:53 AM CDT | Severe Thunderstorm Warning | ILX | 56 min |
| Aug 4, 8:11 AM CDT | Severe Thunderstorm Warning | ILX | 55 min |
| Aug 4, 8:29 AM CDT | Severe Thunderstorm Warning | ILX | 52 min |
| Aug 8, 3:10 AM CDT | Heat Advisory | ILX | 40 hr |
| Aug 17, 3:03 AM CDT | Flash Flood Watch | ILX | 12 hr |
| Aug 17, 3:23 PM CDT | Severe Thunderstorm Warning | ILX | 52 min |
| Aug 17, 4:33 PM CDT | Areal Flood Advisory | ILX | 3 hr |
| Aug 19, 11:51 AM CDT | Mesoscale Discussion | SPC | 114 min |
| Aug 19, 12:49 PM CDT | Tornado Watch | SPC | 6 hr |
| Aug 19, 1:49 PM CDT | Severe Thunderstorm Warning | ILX | 56 min |
| Aug 19, 2:35 PM CDT | Tornado Warning | ILX | 40 min |
| Aug 19, 2:43 PM CDT | Severe Thunderstorm Warning | ILX | 62 min |
| Aug 19, 2:50 PM CDT | Tornado Warning | ILX | 40 min |
| Aug 19, 2:58 PM CDT | Tornado Warning | ILX | 38 min |
| Aug 19, 3:22 PM CDT | Tornado Warning | ILX | 38 min |
| Aug 19, 3:26 PM CDT | Tornado Warning | ILX | 35 min |
| Aug 19, 8:56 PM CDT | Flash Flood Watch | ILX | 10 hr |
| Sep 6, 6:10 PM CDT | Areal Flood Advisory | ILX | 3 hr |
| Sep 6, 6:35 PM CDT | Flash Flood Warning | ILX | 2 hr |
| Sep 6, 11:38 PM CDT | Dense Fog Advisory | ILX | 9 hr |
| Sep 10, 2:39 AM CDT | Dense Fog Advisory | ILX | 7 hr |
| Sep 10, 8:43 PM CDT | Dense Fog Advisory | ILX | 11 hr |
| Sep 25, 8:51 PM CDT | Dense Fog Advisory | ILX | 13 hr |
| Sep 26, 1:42 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Sep 27, 8:22 PM CDT | Tornado Watch | SPC | 3 hr |
| Oct 10, 2:11 AM CDT | Freeze Warning | ILX | 25 hr |
| Oct 17, 3:23 AM CDT | Frost Advisory | ILX | 30 hr |
| Oct 24, 5:28 AM CDT | Flash Flood Watch | ILX | 13 hr |
| Oct 28, 3:21 PM CDT | Flash Flood Watch | ILX | 4 days |
| Oct 30, 3:25 AM CDT | River Flood Warning | ILX | 8 hr |
| Nov 1, 8:15 AM CST | River Flood Warning | ILX | 25 hr |
| Nov 15, 2:25 PM CST | Flood Watch | ILX | 45 hr |
| Nov 18, 7:21 PM CST | River Flood Warning | ILX | 39 hr |
| Nov 20, 5:39 AM CST | Dense Fog Advisory | ILX | 3 hr |
| Dec 8, 2:18 PM CST | Wind Advisory | ILX | 28 hr |
| Dec 22, 3:10 PM CST | Flood Watch | ILX | 67 hr |
| Dec 24, 3:34 PM CST | Flash Flood Watch | ILX | 53 hr |
| Dec 27, 3:14 AM CST | Winter Weather Advisory | ILX | 12 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 | 25 |
| Tornado Warning | 9 |
| Severe Thunderstorm Watch | 7 |
| Tornado Watch | 6 |
| Mesoscale Discussion | 35 |
| Special Weather Statement | 3 |
| Flooding | |
| Areal Flood Warning | 2 |
| Flash Flood Warning | 4 |
| River Flood Warning | 3 |
| Flash Flood Watch | 7 |
| Flood Watch | 4 |
| Areal Flood Advisory | 6 |
| Winter | |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 4 |
| Heat | |
| Heat Advisory | 5 |
| Cold | |
| Freeze Warning | 1 |
| Frost Advisory | 1 |
| Wind Chill Advisory | 1 |
| Wind and dust | |
| High Wind Warning | 1 |
| Wind Advisory | 7 |
| Fog and smoke | |
| Dense Fog Advisory | 7 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20082010
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.