Alert archive / Missouri / Jefferson County
Weather alerts in Jefferson County, Missouri, 2012
129 weather alerts in 2012, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Jefferson County and its neighbors
Each county as a circle sized by its count in 2012. Tap one for its archive.
- Alerts
- 129
- Warnings
- 47
- Watches
- 26
- Advisories
- 23
- Busiest month
- April19 alerts
- Busiest day
- January 17, 20128 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 11, 3:18 PM CST | Winter Weather Advisory | LSX | 33 hr |
| Jan 16, 11:47 PM CST | Tornado Watch | SPC | 7 hr |
| Jan 17, 1:39 AM CST | Tornado Warning | LSX | 36 min |
| Jan 17, 1:50 AM CST | Mesoscale Discussion | SPC | 85 min |
| Jan 17, 2:08 AM CST | Severe Thunderstorm Warning | LSX | 37 min |
| Jan 17, 2:12 AM CST | Tornado Warning | LSX | 33 min |
| Jan 17, 2:35 AM CST | Tornado Warning | LSX | 40 min |
| Jan 17, 4:34 AM CST | Areal Flood Advisory | LSX | 60 days |
| Jan 17, 5:22 AM CST | Severe Thunderstorm Warning | LSX | 38 min |
| Jan 20, 11:23 AM CST | Winter Weather Advisory | LSX | 12 hr |
| Feb 5, 11:42 PM CST | Dense Fog Advisory | LSX | 9 hr |
| Feb 12, 3:02 PM CST | Winter Weather Advisory | LSX | 39 hr |
| Feb 23, 2:28 PM CST | Wind Advisory | LSX | 16 hr |
| Feb 26, 5:25 AM CST | Red Flag Warning | LSX | 12 hr |
| Feb 29, 12:49 AM CST | Mesoscale Discussion | SPC | 56 min |
| Feb 29, 1:14 AM CST | Tornado Watch | SPC | 11 hr |
| Feb 29, 1:52 AM CST | Severe Thunderstorm Warning | LSX | 53 min |
| Feb 29, 2:13 AM CST | Tornado Warning | LSX | 20 min |
| Feb 29, 2:31 AM CST | Severe Thunderstorm Warning | LSX | 31 min |
| Mar 2, 1:46 AM CST | Mesoscale Discussion | SPC | 89 min |
| Mar 2, 2:07 AM CST | Severe Thunderstorm Watch | SPC | 5 hr |
| Mar 2, 4:25 AM CST | Mesoscale Discussion | SPC | 95 min |
| Mar 2, 5:52 AM CST | Severe Thunderstorm Watch | SPC | 6 hr |
| Mar 2, 9:54 AM CST | Tornado Watch | SPC | 6 hr |
| Mar 2, 1:59 PM CST | Wind Advisory | LSX | 4 hr |
| Mar 5, 2:00 PM CST | Red Flag Warning | LSX | 30 hr |
| Mar 5, 3:36 PM CST | Wind Advisory | LSX | 26 hr |
| Mar 6, 3:41 PM CST | Wind Advisory | LSX | 24 hr |
| Mar 14, 7:00 PM CDT | Severe Thunderstorm Warning | LSX | 45 min |
| Mar 15, 2:47 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Mar 17, 3:38 PM CDT | Flash Flood Watch | LSX | 6 hr |
| Mar 17, 3:59 PM CDT | Severe Thunderstorm Warning | LSX | 46 min |
| Mar 23, 6:43 PM CDT | Mesoscale Discussion | SPC | 32 min |
| Apr 9, 3:10 PM CDT | Freeze Watch | LSX | 12 hr |
| Apr 10, 2:45 AM CDT | Freeze Warning | LSX | 29 hr |
| Apr 11, 3:20 AM CDT | Freeze Warning | LSX | 29 hr |
| Apr 13, 9:19 PM CDT | Flash Flood Watch | LSX | 13 hr |
| Apr 15, 3:50 AM CDT | Wind Advisory | LSX | 17 hr |
| Apr 15, 4:22 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Apr 15, 4:42 PM CDT | Tornado Watch | SPC | 6 hr |
| Apr 15, 7:28 PM CDT | Mesoscale Discussion | SPC | 62 min |
| Apr 15, 7:52 PM CDT | Severe Thunderstorm Warning | LSX | 38 min |
| Apr 28, 1:17 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Apr 28, 1:48 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 28, 5:15 PM CDT | Tornado Watch | SPC | 5 hr |
| Apr 28, 5:27 PM CDT | Severe Thunderstorm Warning | LSX | 48 min |
| Apr 28, 5:59 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 28, 6:10 PM CDT | Severe Thunderstorm Warning | LSX | 34 min |
| Apr 28, 6:12 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 28, 8:12 PM CDT | Severe Thunderstorm Warning | LSX | 48 min |
| Apr 28, 8:39 PM CDT | Severe Thunderstorm Warning | LSX | 36 min |
| Apr 29, 4:00 PM CDT | Flash Flood Watch | LSX | 15 hr |
| May 1, 2:01 AM CDT | Flash Flood Watch | LSX | 7 hr |
| May 20, 1:33 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Jun 4, 2:38 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 4, 3:25 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 4, 4:08 PM CDT | Severe Thunderstorm Warning | LSX | 37 min |
| Jun 4, 4:38 PM CDT | Severe Thunderstorm Warning | LSX | 52 min |
| Jun 4, 5:20 PM CDT | Severe Thunderstorm Warning | LSX | 17 min |
| Jun 4, 6:27 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Jun 11, 9:31 AM CDT | Mesoscale Discussion | SPC | 59 min |
| Jun 16, 7:58 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Jun 16, 8:23 PM CDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Jun 16, 10:30 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Jun 27, 3:24 AM CDT | Heat Advisory | LSX | 12 days |
| Jun 29, 3:30 PM CDT | Excessive Heat Warning | LSX | 8 days |
| Jul 2, 5:16 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 7, 6:19 PM CDT | Severe Thunderstorm Warning | LSX | 41 min |
| Jul 7, 7:06 PM CDT | Severe Thunderstorm Warning | LSX | 32 min |
| Jul 7, 7:18 PM CDT | Severe Thunderstorm Warning | LSX | 27 min |
| Jul 7, 7:58 PM CDT | Severe Thunderstorm Warning | LSX | 47 min |
| Jul 8, 3:41 PM CDT | Severe Thunderstorm Warning | LSX | 49 min |
| Jul 15, 3:51 PM CDT | Heat Advisory | LSX | 4 days |
| Jul 19, 2:59 PM CDT | Excessive Heat Watch | LSX | 13 hr |
| Jul 20, 4:00 AM CDT | Heat Advisory | LSX | 7 days |
| Jul 26, 1:25 PM CDT | Mesoscale Discussion | SPC | 65 min |
| Jul 26, 1:46 PM CDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Jul 26, 3:55 PM CDT | Mesoscale Discussion | SPC | 35 min |
| Jul 30, 3:29 PM CDT | Heat Advisory | LSX | 29 hr |
| Aug 1, 3:42 AM CDT | Heat Advisory | LSX | 15 hr |
| Aug 2, 11:47 AM CDT | Mesoscale Discussion | SPC | 88 min |
| Aug 2, 3:54 PM CDT | Heat Advisory | LSX | 52 hr |
| Aug 4, 5:20 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Aug 4, 6:12 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 4, 9:38 PM CDT | Severe Thunderstorm Warning | LSX | 67 min |
| Aug 4, 10:22 PM CDT | Severe Thunderstorm Warning | LSX | 38 min |
| Aug 4, 10:59 PM CDT | Severe Thunderstorm Warning | LSX | 46 min |
| Aug 16, 12:47 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Aug 16, 1:05 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 16, 2:58 PM CDT | Severe Thunderstorm Warning | LSX | 47 min |
| Aug 16, 3:28 PM CDT | Severe Thunderstorm Warning | LSX | 47 min |
| Aug 16, 3:54 PM CDT | Severe Thunderstorm Warning | LSX | 33 min |
| Aug 31, 1:26 PM CDT | Mesoscale Discussion | SPC | 64 min |
| Aug 31, 1:56 PM CDT | Tornado Watch | SPC | 8 hr |
| Aug 31, 6:01 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Sep 5, 3:07 AM CDT | Heat Advisory | LSX | 12 hr |
| Sep 6, 10:52 AM CDT | Mesoscale Discussion | SPC | 83 min |
| Sep 6, 12:28 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Sep 6, 2:03 PM CDT | Mesoscale Discussion | SPC | 57 min |
| Sep 6, 3:37 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Sep 6, 4:02 PM CDT | Severe Thunderstorm Warning | LSX | 43 min |
| Sep 6, 4:38 PM CDT | Severe Thunderstorm Warning | LSX | 37 min |
| Sep 7, 2:35 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Sep 7, 6:06 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Sep 7, 6:22 PM CDT | Severe Thunderstorm Warning | LSX | 53 min |
| Sep 7, 7:03 PM CDT | Severe Thunderstorm Warning | LSX | 42 min |
| Sep 25, 12:51 AM CDT | Mesoscale Discussion | SPC | 114 min |
| Sep 25, 12:59 PM CDT | Mesoscale Discussion | SPC | 61 min |
| Sep 25, 5:05 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Sep 25, 5:48 PM CDT | Severe Thunderstorm Warning | LSX | 42 min |
| Sep 25, 6:22 PM CDT | Severe Thunderstorm Warning | LSX | 38 min |
| Sep 25, 6:55 PM CDT | Severe Thunderstorm Warning | LSX | 50 min |
| Sep 25, 6:57 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Sep 25, 7:41 PM CDT | Severe Thunderstorm Warning | LSX | 49 min |
| Oct 7, 3:13 AM CDT | Frost Advisory | LSX | 30 hr |
| Oct 17, 1:58 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Oct 17, 4:54 PM CDT | Severe Thunderstorm Warning | LSX | 51 min |
| Oct 17, 5:23 PM CDT | Severe Thunderstorm Warning | LSX | 52 min |
| Oct 25, 3:47 PM CDT | Freeze Watch | LSX | 12 hr |
| Oct 26, 3:35 AM CDT | Freeze Warning | LSX | 28 hr |
| Oct 27, 2:32 PM CDT | Freeze Warning | LSX | 17 hr |
| Oct 28, 2:39 PM CDT | Freeze Warning | LSX | 17 hr |
| Nov 11, 4:24 AM CST | Wind Advisory | LSX | 11 hr |
| Nov 20, 5:44 PM CST | Dense Fog Advisory | LSX | 20 hr |
| Dec 19, 3:34 PM CST | Wind Advisory | LSX | 29 hr |
| Dec 23, 2:57 PM CST | Winter Storm Watch | LSX | 37 hr |
| Dec 28, 11:54 AM CST | Winter Weather Advisory | LSX | 14 hr |
| Dec 28, 3:44 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Dec 30, 3:03 PM CST | Winter Weather Advisory | LSX | 39 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 | 35 |
| Tornado Warning | 4 |
| Severe Thunderstorm Watch | 12 |
| Tornado Watch | 6 |
| Mesoscale Discussion | 33 |
| Flooding | |
| Flash Flood Watch | 4 |
| Areal Flood Advisory | 1 |
| Winter | |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 5 |
| Heat | |
| Excessive Heat Warning | 1 |
| Excessive Heat Watch | 1 |
| Heat Advisory | 7 |
| Cold | |
| Freeze Warning | 5 |
| Freeze Watch | 2 |
| Frost Advisory | 1 |
| Wind and dust | |
| Wind Advisory | 7 |
| Fire | |
| Red Flag Warning | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20112013
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.