Alert archive / Illinois / Saint Clair County
Weather alerts in Saint Clair County, Illinois, 2011
204 weather alerts in 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Saint Clair County and its neighbors
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Alerts
- 204
- Warnings
- 82
- Watches
- 40
- Advisories
- 30
- Busiest month
- June56 alerts
- Busiest day
- May 25, 201115 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 10, 3:27 AM CST | Winter Weather Advisory | LSX | 39 hr |
| Jan 18, 3:33 PM CST | Winter Weather Advisory | LSX | 48 hr |
| Jan 19, 12:50 PM CST | Winter Storm Warning | LSX | 26 hr |
| Jan 22, 4:11 AM CST | Winter Weather Advisory | LSX | 34 hr |
| Jan 23, 10:21 PM CST | Winter Weather Advisory | LSX | 11 hr |
| Jan 29, 8:30 PM CST | Winter Storm Watch | LSX | 19 hr |
| Jan 30, 3:56 PM CST | Winter Storm Warning | LSX | 60 hr |
| Feb 1, 6:54 AM CST | Mesoscale Discussion | SPC | 5 hr |
| Feb 1, 11:42 AM CST | Mesoscale Discussion | SPC | 5 hr |
| Feb 4, 3:55 PM CST | Winter Weather Advisory | LSX | 19 hr |
| Feb 27, 4:57 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Feb 27, 8:25 PM CST | Mesoscale Discussion | SPC | 65 min |
| Feb 27, 9:40 PM CST | Tornado Watch | SPC | 6 hr |
| Feb 27, 10:41 PM CST | Mesoscale Discussion | SPC | 94 min |
| Feb 27, 10:47 PM CST | Tornado Warning | LSX | 43 min |
| Feb 27, 11:18 PM CST | Tornado Warning | LSX | 42 min |
| Feb 27, 11:43 PM CST | Tornado Warning | LSX | 47 min |
| Mar 3, 3:42 PM CST | Flash Flood Watch | LSX | 36 hr |
| Mar 4, 4:54 PM CST | Tornado Watch | SPC | 118 min |
| Mar 4, 6:20 PM CST | Flash Flood Warning | LSX | 5 hr |
| Mar 4, 6:22 PM CST | Mesoscale Discussion | SPC | 53 min |
| Mar 4, 6:50 PM CST | Severe Thunderstorm Watch | SPC | 7 hr |
| Mar 14, 12:00 AM CDT | Winter Weather Advisory | LSX | 16 hr |
| Mar 25, 3:26 PM CDT | Winter Weather Advisory | LSX | 31 hr |
| Mar 26, 4:05 PM CDT | Freeze Warning | LSX | 17 hr |
| Mar 27, 4:27 AM CDT | Freeze Warning | LSX | 24 hr |
| Apr 2, 4:05 AM CDT | Wind Advisory | LSX | 40 hr |
| Apr 4, 1:29 AM CDT | Mesoscale Discussion | SPC | 91 min |
| Apr 6, 5:34 AM CDT | Red Flag Warning | LSX | 13 hr |
| Apr 9, 4:12 AM CDT | Mesoscale Discussion | SPC | 93 min |
| 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, 3:32 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Apr 15, 4:43 PM CDT | Severe Thunderstorm Warning | LSX | 47 min |
| Apr 15, 5:10 PM CDT | Tornado Warning | LSX | 35 min |
| Apr 15, 5:57 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| 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, 5:52 AM CDT | Mesoscale Discussion | SPC | 83 min |
| Apr 19, 6:21 AM CDT | Areal Flood Advisory | LSX | 3 hr |
| Apr 19, 6:22 AM CDT | Severe Thunderstorm Warning | LSX | 38 min |
| Apr 19, 6:26 AM CDT | Severe Thunderstorm Warning | LSX | 49 min |
| Apr 19, 6:56 AM CDT | Severe Thunderstorm Warning | LSX | 49 min |
| Apr 19, 12:40 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Apr 19, 1:00 PM CDT | Tornado Watch | SPC | 10 hr |
| Apr 19, 5:47 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Apr 19, 7:30 PM CDT | Tornado Warning | LSX | 45 min |
| Apr 19, 7:51 PM CDT | Tornado Warning | LSX | 39 min |
| Apr 19, 8:07 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Apr 19, 8:18 PM CDT | Tornado Warning | LSX | 42 min |
| Apr 19, 8:25 PM CDT | Severe Thunderstorm Warning | LSX | 22 min |
| Apr 21, 3:45 PM CDT | Flash Flood Watch | LSX | 6 days |
| Apr 22, 7:28 AM CDT | Flash Flood Warning | LSX | 6 hr |
| Apr 22, 10:09 AM CDT | Mesoscale Discussion | SPC | 66 min |
| Apr 22, 10:56 AM CDT | Severe Thunderstorm Warning | LSX | 49 min |
| Apr 22, 11:00 AM CDT | Severe Thunderstorm Warning | LSX | 45 min |
| Apr 22, 11:44 AM CDT | Severe Thunderstorm Warning | LSX | 46 min |
| Apr 22, 3:34 PM CDT | Tornado Watch | SPC | 6 hr |
| Apr 22, 5:27 PM CDT | Mesoscale Discussion | SPC | 33 min |
| Apr 22, 7:59 PM CDT | Tornado Warning | LSX | 46 min |
| Apr 22, 8:21 PM CDT | Tornado Warning | LSX | 39 min |
| Apr 22, 8:33 PM CDT | Tornado Warning | LSX | 42 min |
| Apr 22, 8:48 PM CDT | Tornado Warning | LSX | 57 min |
| Apr 22, 8:55 PM CDT | Tornado Warning | LSX | 50 min |
| Apr 22, 9:20 PM CDT | Mesoscale Discussion | SPC | 55 min |
| Apr 22, 9:30 PM CDT | Flash Flood Warning | LSX | 5 hr |
| Apr 22, 10:31 PM CDT | Tornado Warning | LSX | 44 min |
| Apr 22, 11:53 PM CDT | River Flood Warning | LSX | 14 days |
| Apr 25, 7:23 PM CDT | Flash Flood Warning | LSX | 9 hr |
| Apr 26, 4:50 AM CDT | Areal Flood Warning | LSX | 30 hr |
| Apr 27, 11:07 AM CDT | Areal Flood Warning | LSX | 24 hr |
| Apr 28, 11:00 AM CDT | Areal Flood Warning | LSX | 24 hr |
| Apr 28, 12:38 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Apr 29, 10:59 AM CDT | Areal Flood Warning | LSX | 24 hr |
| Apr 30, 11:05 AM CDT | Areal Flood Warning | LSX | 24 hr |
| May 1, 4:30 AM CDT | Flash Flood Watch | LSX | 42 hr |
| May 3, 3:36 AM CDT | Frost Advisory | LSX | 28 hr |
| May 11, 2:18 PM CDT | Mesoscale Discussion | SPC | 57 min |
| May 13, 4:40 PM CDT | Mesoscale Discussion | SPC | 95 min |
| May 22, 12:51 PM CDT | Tornado Watch | SPC | 10 hr |
| May 22, 7:52 PM CDT | Mesoscale Discussion | SPC | 53 min |
| May 22, 8:26 PM CDT | Tornado Watch | SPC | 8 hr |
| May 23, 10:55 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 23, 12:04 PM CDT | Severe Thunderstorm Warning | LSX | 41 min |
| May 23, 12:37 PM CDT | Mesoscale Discussion | SPC | 83 min |
| May 23, 12:42 PM CDT | Severe Thunderstorm Warning | LSX | 48 min |
| May 23, 12:53 PM CDT | Areal Flood Advisory | LSX | 3 hr |
| May 24, 1:38 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 24, 3:44 PM CDT | Flash Flood Watch | LSX | 32 hr |
| May 24, 4:55 PM CDT | Mesoscale Discussion | SPC | 65 min |
| May 25, 12:48 AM CDT | Mesoscale Discussion | SPC | 57 min |
| May 25, 1:22 AM CDT | Tornado Watch | SPC | 7 hr |
| May 25, 4:58 AM CDT | Mesoscale Discussion | SPC | 92 min |
| May 25, 7:48 AM CDT | Mesoscale Discussion | SPC | 87 min |
| May 25, 10:18 AM CDT | Mesoscale Discussion | SPC | 57 min |
| May 25, 11:09 AM CDT | Tornado Watch | SPC | 10 hr |
| May 25, 12:15 PM CDT | River Flood Warning | LSX | 46 days |
| May 25, 4:00 PM CDT | Severe Thunderstorm Warning | LSX | 45 min |
| May 25, 4:11 PM CDT | Tornado Warning | LSX | 49 min |
| May 25, 4:23 PM CDT | Tornado Warning | LSX | 52 min |
| May 25, 5:00 PM CDT | Severe Thunderstorm Warning | LSX | 25 min |
| May 25, 5:08 PM CDT | Tornado Warning | LSX | 52 min |
| May 25, 5:12 PM CDT | Tornado Warning | LSX | 48 min |
| May 25, 5:46 PM CDT | Tornado Warning | LSX | 44 min |
| May 25, 5:48 PM CDT | Areal Flood Advisory | LSX | 5 hr |
| May 28, 5:39 PM CDT | Mesoscale Discussion | SPC | 66 min |
| Jun 4, 3:45 AM CDT | Heat Advisory | LSX | 5 days |
| Jun 5, 5:00 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 10, 4:57 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 10, 10:56 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Jun 11, 1:47 AM CDT | Severe Thunderstorm Warning | LSX | 22 min |
| Jun 13, 5:16 AM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 13, 6:52 AM CDT | Mesoscale Discussion | SPC | 83 min |
| Jun 13, 4:02 PM CDT | Flash Flood Watch | LSX | 39 hr |
| Jun 14, 9:27 AM CDT | Areal Flood Advisory | LSX | 3 hr |
| Jun 15, 1:09 AM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 15, 4:24 AM CDT | Mesoscale Discussion | SPC | 96 min |
| Jun 17, 12:10 PM CDT | Mesoscale Discussion | SPC | 65 min |
| Jun 17, 12:15 PM CDT | Severe Thunderstorm Warning | LSX | 45 min |
| Jun 17, 12:33 PM CDT | Severe Thunderstorm Warning | LSX | 27 min |
| Jun 17, 12:44 PM CDT | Areal Flood Advisory | LSX | 5 hr |
| Jun 17, 12:50 PM CDT | Severe Thunderstorm Warning | LSX | 40 min |
| Jun 18, 2:44 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 18, 5:18 AM CDT | Severe Thunderstorm Warning | LSX | 57 min |
| Jun 18, 5:39 AM CDT | Mesoscale Discussion | SPC | 66 min |
| Jun 18, 6:20 AM CDT | Severe Thunderstorm Warning | LSX | 40 min |
| Jun 18, 6:21 AM CDT | Tornado Warning | LSX | 39 min |
| Jun 18, 6:51 AM CDT | Severe Thunderstorm Warning | LSX | 54 min |
| Jun 18, 3:57 PM CDT | Flash Flood Watch | LSX | 15 hr |
| Jun 18, 8:26 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 19, 2:14 AM CDT | Mesoscale Discussion | SPC | 61 min |
| Jun 19, 2:36 AM CDT | Severe Thunderstorm Warning | LSX | 39 min |
| Jun 19, 3:07 AM CDT | Severe Thunderstorm Warning | LSX | 38 min |
| Jun 21, 12:56 PM CDT | Mesoscale Discussion | SPC | 64 min |
| Jun 21, 1:22 PM CDT | Tornado Watch | SPC | 9 hr |
| Jun 21, 2:44 PM CDT | Severe Thunderstorm Warning | LSX | 46 min |
| Jun 21, 3:14 PM CDT | Severe Thunderstorm Warning | LSX | 46 min |
| Jun 21, 3:31 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Jun 21, 3:43 PM CDT | Severe Thunderstorm Warning | LSX | 47 min |
| Jun 21, 7:20 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Jun 21, 7:28 PM CDT | Severe Thunderstorm Warning | LSX | 47 min |
| Jun 21, 8:43 PM CDT | Severe Thunderstorm Warning | LSX | 47 min |
| Jun 21, 9:53 PM CDT | Areal Flood Advisory | LSX | 3 hr |
| Jun 21, 10:12 PM CDT | Flash Flood Warning | LSX | 6 hr |
| Jun 25, 3:51 AM CDT | Mesoscale Discussion | SPC | 84 min |
| Jun 25, 11:17 AM CDT | Mesoscale Discussion | SPC | 118 min |
| Jun 25, 1:06 PM CDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Jun 25, 2:59 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Jun 25, 7:36 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 25, 8:46 PM CDT | Severe Thunderstorm Warning | LSX | 44 min |
| Jun 25, 11:11 PM CDT | Severe Thunderstorm Warning | LSX | 49 min |
| Jun 25, 11:45 PM CDT | Areal Flood Advisory | LSX | 6 hr |
| Jun 26, 12:21 AM CDT | Flash Flood Warning | LSX | 6 hr |
| Jun 26, 1:21 AM CDT | Mesoscale Discussion | SPC | 84 min |
| Jun 26, 1:58 AM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 26, 2:43 PM CDT | Flash Flood Watch | LSX | 31 hr |
| Jun 26, 7:12 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 27, 12:58 AM CDT | Mesoscale Discussion | SPC | 92 min |
| Jun 27, 1:32 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 27, 2:42 AM CDT | Severe Thunderstorm Warning | LSX | 48 min |
| Jun 27, 5:38 AM CDT | Mesoscale Discussion | SPC | 97 min |
| Jun 29, 4:09 PM CDT | Heat Advisory | LSX | 4 days |
| Jul 3, 12:26 PM CDT | Mesoscale Discussion | SPC | 64 min |
| Jul 3, 1:15 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 3, 1:31 PM CDT | Severe Thunderstorm Warning | LSX | 44 min |
| Jul 3, 2:39 PM CDT | Severe Thunderstorm Warning | LSX | 21 min |
| Jul 3, 2:50 PM CDT | Severe Thunderstorm Warning | LSX | 40 min |
| Jul 3, 3:00 PM CDT | Severe Thunderstorm Warning | LSX | 45 min |
| Jul 3, 3:24 PM CDT | Areal Flood Advisory | LSX | 6 hr |
| Jul 3, 3:35 PM CDT | Mesoscale Discussion | SPC | 55 min |
| Jul 3, 5:19 PM CDT | Mesoscale Discussion | SPC | 26 min |
| Jul 7, 5:03 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 7, 5:55 PM CDT | Severe Thunderstorm Warning | LSX | 50 min |
| Jul 7, 6:29 PM CDT | Flash Flood Warning | LSX | 6 hr |
| Jul 7, 7:51 PM CDT | Flash Flood Warning | LSX | 6 hr |
| Jul 8, 3:17 PM CDT | Heat Advisory | LSX | 4 days |
| Jul 10, 11:54 AM CDT | Excessive Heat Warning | LSX | 55 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, 2:25 PM CDT | Severe Thunderstorm Warning | LSX | 26 min |
| Jul 12, 2:31 PM CDT | Flash Flood Warning | LSX | 3 hr |
| Jul 12, 3:48 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Jul 12, 6:43 PM CDT | Mesoscale Discussion | SPC | 62 min |
| Jul 14, 3:29 PM CDT | Excessive Heat Watch | LSX | 23 hr |
| Jul 15, 2:23 PM CDT | Excessive Heat Warning | LSX | 19 days |
| Aug 5, 4:10 AM CDT | Heat Advisory | LSX | 63 hr |
| Aug 5, 1:41 PM CDT | Severe Thunderstorm Warning | LSX | 49 min |
| Aug 7, 5:20 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Aug 7, 5:41 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 23, 3:35 AM CDT | Heat Advisory | LSX | 39 hr |
| Aug 24, 6:08 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 30, 4:15 PM CDT | Heat Advisory | LSX | 4 days |
| Sep 3, 6:27 PM CDT | Severe Thunderstorm Warning | LSX | 33 min |
| Sep 19, 11:52 PM CDT | Dense Fog Advisory | LSX | 9 hr |
| Sep 22, 11:52 PM CDT | Dense Fog Advisory | LSX | 10 hr |
| Oct 1, 2:25 PM CDT | Frost Advisory | LSX | 18 hr |
| Oct 20, 3:48 AM CDT | Frost Advisory | LSX | 29 hr |
| Nov 5, 6:12 AM CDT | Dense Fog Advisory | LSX | 5 hr |
| Nov 9, 3:03 PM CST | Freeze Warning | LSX | 15 hr |
| Nov 10, 3:09 PM CST | Freeze Warning | LSX | 17 hr |
| Nov 12, 3:19 PM CST | Wind Advisory | LSX | 25 hr |
| Nov 18, 4:29 AM CST | Red Flag Warning | LSX | 13 hr |
| Dec 20, 10:59 PM CST | Dense Fog Advisory | LSX | 7 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 | 37 |
| Tornado Warning | 19 |
| Severe Thunderstorm Watch | 20 |
| Tornado Watch | 11 |
| Mesoscale Discussion | 52 |
| Flooding | |
| Areal Flood Warning | 5 |
| Flash Flood Warning | 9 |
| River Flood Warning | 2 |
| Flash Flood Watch | 7 |
| Areal Flood Advisory | 8 |
| Winter | |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 7 |
| Heat | |
| Excessive Heat Warning | 2 |
| Excessive Heat Watch | 1 |
| Heat Advisory | 6 |
| Cold | |
| Freeze Warning | 4 |
| Frost Advisory | 3 |
| Wind and dust | |
| Wind Advisory | 2 |
| Fire | |
| Red Flag Warning | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 4 |
The busiest days
Days with the most alerts issued, by UTC date.
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.