Alert archive / Missouri / St. Clair County
Weather alerts in St. Clair County, Missouri, 2020
144 weather alerts in 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
St. Clair County and its neighbors
Each county as a circle sized by its count in 2020. Tap one for its archive.
- Alerts
- 144
- Warnings
- 48
- Watches
- 21
- Advisories
- 38
- Busiest month
- May24 alerts
- Busiest day
- May 4, 20207 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 8, 2:15 PM CST | Flash Flood Watch | SGF | 62 hr |
| Jan 9, 3:40 PM CST | Winter Storm Watch | SGF | 11 hr |
| Jan 10, 2:55 AM CST | Winter Storm Warning | SGF | 39 hr |
| Jan 10, 9:14 AM CST | River Flood Warning | SGF | 19 hr |
| Jan 10, 12:11 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Jan 10, 2:13 PM CST | Severe Thunderstorm Warning | SGF | 26 min |
| Jan 10, 6:58 PM CST | Areal Flood Warning | SGF | 12 hr |
| Jan 11, 8:32 AM CST | Areal Flood Warning | SGF | 24 hr |
| Jan 12, 9:26 AM CST | River Flood Warning | SGF | 4 days |
| Jan 16, 2:22 AM CST | Flood Watch | SGF | 52 hr |
| Jan 16, 3:03 AM CST | Winter Weather Advisory | SGF | 41 hr |
| Jan 17, 3:20 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Jan 18, 6:47 AM CST | River Flood Warning | SGF | 4 days |
| Jan 21, 2:55 PM CST | Winter Weather Advisory | SGF | 21 hr |
| Jan 23, 3:17 AM CST | Winter Weather Advisory | SGF | 36 hr |
| Jan 26, 8:47 PM CST | Dense Fog Advisory | SGF | 13 hr |
| Jan 27, 10:19 PM CST | Dense Fog Advisory | SGF | 11 hr |
| Jan 28, 3:09 AM CST | Winter Weather Advisory | SGF | 33 hr |
| Feb 4, 3:51 AM CST | Winter Storm Watch | SGF | 12 hr |
| Feb 4, 3:51 AM CST | Winter Weather Advisory | SGF | 53 hr |
| Feb 4, 3:28 PM CST | Winter Storm Warning | SGF | 23 hr |
| Feb 5, 2:30 PM CST | Winter Weather Advisory | SGF | 13 hr |
| Feb 11, 2:49 PM CST | Winter Weather Advisory | SGF | 33 hr |
| Feb 22, 2:54 AM CST | Flood Watch | SGF | 63 hr |
| Feb 24, 5:42 AM CST | Areal Flood Warning | SGF | 9 hr |
| Feb 24, 3:03 PM CST | Areal Flood Advisory | SGF | 12 hr |
| Mar 5, 3:05 AM CST | Red Flag Warning | SGF | 15 hr |
| Mar 7, 3:19 AM CST | Red Flag Warning | SGF | 15 hr |
| Mar 8, 3:53 AM CDT | Red Flag Warning | SGF | 15 hr |
| Mar 9, 3:41 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 12, 8:48 PM CDT | River Flood Warning | SGF | 7 days |
| Mar 14, 8:44 AM CDT | River Flood Warning | SGF | 11 hr |
| Mar 16, 8:25 PM CDT | River Flood Warning | SGF | 15 days |
| Mar 19, 8:12 AM CDT | Flash Flood Warning | SGF | 4 hr |
| Mar 19, 11:39 AM CDT | Areal Flood Warning | SGF | 6 hr |
| Mar 24, 7:40 AM CDT | Areal Flood Advisory | SGF | 5 hr |
| Mar 24, 9:19 AM CDT | Areal Flood Advisory | SGF | 4 hr |
| Mar 27, 3:45 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 27, 8:33 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Mar 27, 8:50 PM CDT | Special Weather Statement | SGF | 40 min |
| Mar 27, 9:06 PM CDT | Severe Thunderstorm Warning | SGF | 39 min |
| Mar 28, 3:41 AM CDT | Wind Advisory | SGF | 15 hr |
| Mar 28, 7:05 AM CDT | Mesoscale Discussion | SPC | 85 min |
| Apr 3, 8:09 PM CDT | Freeze Warning | SGF | 13 hr |
| Apr 9, 2:57 AM CDT | Freeze Warning | SGF | 29 hr |
| Apr 12, 3:57 AM CDT | Freeze Warning | SGF | 30 hr |
| Apr 12, 3:57 AM CDT | Wind Advisory | SGF | 27 hr |
| Apr 13, 3:05 PM CDT | Freeze Warning | SGF | 18 hr |
| Apr 17, 10:54 AM CDT | Freeze Warning | SGF | 22 hr |
| Apr 24, 9:28 AM CDT | River Flood Warning | SGF | 3 days |
| Apr 24, 12:35 PM CDT | Flood Watch | SGF | 20 hr |
| Apr 24, 8:14 PM CDT | Severe Thunderstorm Warning | SGF | 61 min |
| Apr 25, 3:12 AM CDT | Areal Flood Advisory | SGF | 12 hr |
| Apr 28, 3:51 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 28, 6:32 PM CDT | Mesoscale Discussion | SPC | 118 min |
| May 3, 8:34 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 3, 9:37 AM CDT | Severe Thunderstorm Warning | SGF | 38 min |
| May 4, 6:33 AM CDT | Severe Thunderstorm Watch | SPC | 12 hr |
| May 4, 9:00 AM CDT | Mesoscale Discussion | SPC | 90 min |
| May 4, 10:38 AM CDT | Special Weather Statement | SGF | 67 min |
| May 4, 10:38 AM CDT | Mesoscale Discussion | SPC | 97 min |
| May 4, 12:25 PM CDT | Severe Thunderstorm Warning | SGF | 65 min |
| May 4, 1:04 PM CDT | Mesoscale Discussion | SPC | 86 min |
| May 4, 4:41 PM CDT | River Flood Warning | SGF | 48 hr |
| May 8, 3:51 AM CDT | Frost Advisory | SGF | 27 hr |
| May 10, 1:44 PM CDT | Frost Advisory | SGF | 17 hr |
| May 14, 3:12 AM CDT | Flash Flood Watch | SGF | 33 hr |
| May 14, 1:41 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 14, 10:58 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 14, 11:17 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 15, 1:04 AM CDT | Severe Thunderstorm Warning | SGF | 41 min |
| May 15, 1:06 AM CDT | Mesoscale Discussion | SPC | 114 min |
| May 15, 1:42 AM CDT | Severe Thunderstorm Warning | SGF | 47 min |
| May 15, 9:42 AM CDT | River Flood Warning | SGF | 6 days |
| May 24, 2:58 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 25, 2:51 AM CDT | Flash Flood Watch | SGF | 28 hr |
| May 25, 2:15 PM CDT | Mesoscale Discussion | SPC | 90 min |
| May 25, 7:44 PM CDT | River Flood Warning | SGF | 9 days |
| May 27, 9:25 PM CDT | Dense Fog Advisory | SGF | 12 hr |
| Jun 4, 12:54 AM CDT | Mesoscale Discussion | SPC | 96 min |
| Jun 4, 2:07 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 4, 3:21 AM CDT | Severe Thunderstorm Warning | SGF | 54 min |
| Jun 4, 3:32 AM CDT | Mesoscale Discussion | SPC | 88 min |
| Jun 4, 4:13 AM CDT | Severe Thunderstorm Warning | SGF | 47 min |
| Jun 5, 3:31 AM CDT | Mesoscale Discussion | SPC | 89 min |
| Jun 5, 3:41 AM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 5, 4:41 AM CDT | Severe Thunderstorm Warning | SGF | 64 min |
| Jun 9, 2:57 AM CDT | Wind Advisory | SGF | 28 hr |
| Jun 21, 6:39 PM CDT | Special Weather Statement | EAX | 36 min |
| Jun 21, 6:43 PM CDT | Special Weather Statement | SGF | 32 min |
| Jun 27, 8:52 AM CDT | River Flood Warning | SGF | 5 days |
| Jun 30, 2:48 PM CDT | Heat Advisory | SGF | 29 hr |
| Jul 1, 5:40 AM CDT | Mesoscale Discussion | SPC | 65 min |
| Jul 9, 1:09 AM CDT | Severe Thunderstorm Watch | SPC | 11 hr |
| Jul 9, 3:10 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 11, 3:07 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Jul 11, 3:36 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 14, 2:28 AM CDT | Heat Advisory | SGF | 17 hr |
| Jul 17, 3:30 AM CDT | Heat Advisory | SGF | 18 hr |
| Jul 17, 3:30 AM CDT | Heat Advisory | SGF | 65 hr |
| Jul 31, 3:08 AM CDT | Flash Flood Watch | SGF | 17 hr |
| Jul 31, 3:42 AM CDT | Areal Flood Advisory | SGF | 8 hr |
| Jul 31, 4:23 AM CDT | Flash Flood Warning | SGF | 10 hr |
| Jul 31, 2:04 PM CDT | Areal Flood Warning | SGF | 6 hr |
| Aug 9, 3:59 PM CDT | Special Weather Statement | SGF | 31 min |
| Aug 10, 2:38 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 10, 5:26 PM CDT | Severe Thunderstorm Warning | SGF | 64 min |
| Aug 11, 4:39 PM CDT | Special Weather Statement | SGF | 36 min |
| Aug 11, 5:06 PM CDT | Severe Thunderstorm Warning | SGF | 39 min |
| Aug 11, 5:24 PM CDT | Flash Flood Warning | SGF | 3 hr |
| Aug 11, 5:36 PM CDT | Special Weather Statement | SGF | 24 min |
| Aug 11, 6:21 PM CDT | Flash Flood Warning | SGF | 116 min |
| Aug 15, 8:58 AM CDT | Severe Thunderstorm Warning | SGF | 30 min |
| Aug 28, 5:29 AM CDT | Dense Fog Advisory | SGF | 4 hr |
| Aug 30, 2:45 AM CDT | Dense Fog Advisory | SGF | 6 hr |
| Aug 31, 8:41 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 31, 10:06 AM CDT | Special Weather Statement | SGF | 54 min |
| Aug 31, 11:04 AM CDT | Mesoscale Discussion | SPC | 86 min |
| Sep 3, 12:40 AM CDT | Dense Fog Advisory | SGF | 8 hr |
| Sep 8, 3:01 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Sep 8, 3:28 PM CDT | Special Weather Statement | SGF | 32 min |
| Sep 27, 10:53 AM CDT | Mesoscale Discussion | SPC | 97 min |
| Oct 11, 1:38 PM CDT | Wind Advisory | SGF | 16 hr |
| Oct 12, 1:11 PM CDT | Red Flag Warning | SGF | 3 hr |
| Oct 13, 2:17 PM CDT | Fire Weather Watch | SGF | 13 hr |
| Oct 14, 2:55 AM CDT | Red Flag Warning | SGF | 15 hr |
| Oct 15, 2:26 AM CDT | Frost Advisory | SGF | 31 hr |
| Oct 16, 3:30 AM CDT | Fire Weather Watch | SGF | 11 hr |
| Oct 16, 2:16 PM CDT | Red Flag Warning | SGF | 29 hr |
| Oct 16, 2:27 PM CDT | Wind Advisory | SGF | 28 hr |
| Oct 23, 2:29 PM CDT | Freeze Warning | SGF | 13 hr |
| Oct 25, 2:50 PM CDT | Winter Weather Advisory | SGF | 40 hr |
| Nov 10, 8:52 AM CST | Mesoscale Discussion | SPC | 113 min |
| Nov 14, 10:23 AM CST | Wind Advisory | SGF | 8 hr |
| Nov 14, 4:46 PM CST | Mesoscale Discussion | SPC | 29 min |
| Nov 14, 5:14 PM CST | Tornado Watch | SPC | 8 hr |
| Nov 14, 7:34 PM CST | Mesoscale Discussion | SPC | 86 min |
| Nov 18, 2:11 AM CST | Red Flag Warning | SGF | 16 hr |
| Nov 18, 1:20 PM CST | Wind Advisory | SGF | 29 hr |
| Nov 22, 11:33 PM CST | Dense Fog Advisory | SGF | 11 hr |
| Nov 26, 2:11 AM CST | Dense Fog Advisory | SGF | 8 hr |
| Dec 7, 8:36 PM CST | Dense Fog Advisory | SGF | 13 hr |
| Dec 22, 3:06 PM CST | Wind Advisory | SGF | 12 hr |
| Dec 23, 2:39 AM CST | Wind Advisory | SGF | 15 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 | 13 |
| Severe Thunderstorm Watch | 9 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 28 |
| Special Weather Statement | 9 |
| Flooding | |
| Areal Flood Warning | 5 |
| Flash Flood Warning | 4 |
| River Flood Warning | 11 |
| Flash Flood Watch | 4 |
| Flood Watch | 3 |
| Areal Flood Advisory | 5 |
| Winter | |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 2 |
| Winter Weather Advisory | 8 |
| Heat | |
| Heat Advisory | 4 |
| Cold | |
| Freeze Warning | 6 |
| Frost Advisory | 3 |
| Wind and dust | |
| Wind Advisory | 9 |
| Fire | |
| Red Flag Warning | 7 |
| Fire Weather Watch | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 9 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20192021
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.