Alert archive / Missouri / Knox County
Weather alerts in Knox County, Missouri, 2011
121 weather alerts in 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Knox County and its neighbors
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Alerts
- 121
- Warnings
- 32
- Watches
- 27
- Advisories
- 26
- Busiest month
- June40 alerts
- Busiest day
- June 10, 20117 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 9, 3:02 AM CST | Winter Storm Watch | LSX | 24 hr |
| Jan 10, 3:27 AM CST | Winter Weather Advisory | LSX | 39 hr |
| Jan 17, 7:23 AM CST | Winter Weather Advisory | LSX | 5 hr |
| Jan 18, 3:33 PM CST | Winter Weather Advisory | LSX | 48 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 |
| Jan 31, 2:08 PM CST | Blizzard Warning | LSX | 46 hr |
| Feb 1, 10:36 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 1, 3:36 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 2, 3:55 AM CST | Wind Chill Advisory | LSX | 30 hr |
| Feb 8, 3:55 AM CST | Wind Chill Advisory | LSX | 8 hr |
| Feb 9, 3:55 PM CST | Wind Chill Advisory | LSX | 18 hr |
| Feb 16, 4:17 AM CST | Dense Fog Advisory | LSX | 5 hr |
| Feb 16, 9:03 AM CST | Dense Fog Advisory | LSX | 3 hr |
| Feb 23, 3:57 PM CST | Winter Weather Advisory | LSX | 36 hr |
| Feb 23, 10:30 PM CST | Dense Fog Advisory | LSX | 8 hr |
| Feb 24, 3:57 AM CST | Winter Storm Warning | LSX | 24 hr |
| Feb 24, 5:20 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 26, 9:49 PM CST | Dense Fog Advisory | LSX | 6 hr |
| Feb 27, 1:18 PM CST | Flood Watch | LSX | 11 hr |
| Feb 27, 3:10 PM CST | Dense Fog Advisory | LSX | 6 hr |
| Feb 27, 5:33 PM CST | Severe Thunderstorm Watch | SPC | 4 hr |
| Mar 22, 8:00 PM CDT | Mesoscale Discussion | SPC | 60 min |
| Apr 2, 4:05 AM CDT | Wind Advisory | LSX | 40 hr |
| Apr 3, 8:11 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 3, 8:34 PM CDT | Severe Thunderstorm Warning | LSX | 40 min |
| Apr 3, 10:50 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Apr 10, 10:43 AM CDT | Wind Advisory | LSX | 8 hr |
| Apr 10, 5:03 PM CDT | Mesoscale Discussion | SPC | 57 min |
| Apr 10, 6:05 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 15, 12:47 PM CDT | Tornado Watch | SPC | 9 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 |
| May 3, 3:36 AM CDT | Frost Advisory | LSX | 28 hr |
| May 11, 8:09 AM CDT | Mesoscale Discussion | SPC | 66 min |
| May 11, 11:37 AM CDT | Severe Thunderstorm Warning | LSX | 38 min |
| May 11, 12:15 PM CDT | Severe Thunderstorm Warning | LSX | 12 min |
| May 11, 6:17 PM CDT | Mesoscale Discussion | SPC | 28 min |
| May 12, 8:41 PM CDT | Severe Thunderstorm Warning | LSX | 49 min |
| May 22, 4:41 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 22, 10:53 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 22, 12:51 PM CDT | Tornado Watch | SPC | 10 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, 3:09 AM CDT | Areal Flood Advisory | LSX | 5 hr |
| May 25, 7:47 AM CDT | Areal Flood Advisory | LSX | 3 hr |
| May 25, 10:37 AM CDT | Tornado Watch | SPC | 7 hr |
| May 25, 1:28 PM CDT | Mesoscale Discussion | SPC | 92 min |
| May 28, 12:15 PM CDT | Mesoscale Discussion | SPC | 90 min |
| May 29, 1:41 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 31, 5:51 AM CDT | Severe Thunderstorm Warning | LSX | 24 min |
| Jun 2, 3:21 AM CDT | Flash Flood Warning | LSX | 8 hr |
| Jun 2, 10:33 AM CDT | Areal Flood Warning | LSX | 12 hr |
| Jun 2, 10:30 PM CDT | Areal Flood Warning | LSX | 12 hr |
| Jun 5, 2:52 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 5, 5:00 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 9, 3:41 PM CDT | Severe Thunderstorm Warning | LSX | 64 min |
| Jun 9, 4:29 PM CDT | Mesoscale Discussion | SPC | 61 min |
| Jun 9, 4:43 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 9, 9:48 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 9, 9:55 PM CDT | Severe Thunderstorm Warning | LSX | 50 min |
| Jun 9, 10:28 PM CDT | Flash Flood Warning | LSX | 6 hr |
| Jun 9, 11:16 PM CDT | Severe Thunderstorm Warning | LSX | 44 min |
| Jun 9, 11:45 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Jun 10, 4:48 PM CDT | Severe Thunderstorm Warning | LSX | 27 min |
| Jun 10, 4:57 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| 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, 10:04 AM CDT | Mesoscale Discussion | SPC | 86 min |
| Jun 13, 2:57 PM CDT | Severe Thunderstorm Warning | LSX | 48 min |
| Jun 13, 4:02 PM CDT | Flash Flood Watch | LSX | 39 hr |
| Jun 13, 9:23 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Jun 13, 11:57 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Jun 14, 2:56 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Jun 14, 3:53 PM CDT | Tornado Watch | SPC | 8 hr |
| Jun 14, 7:47 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Jun 15, 1:55 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 18, 5:39 AM CDT | Mesoscale Discussion | SPC | 66 min |
| Jun 20, 2:33 AM CDT | Severe Thunderstorm Warning | LSX | 42 min |
| Jun 25, 3:51 AM CDT | Mesoscale Discussion | SPC | 84 min |
| Jun 25, 9:09 AM CDT | Areal Flood Advisory | LSX | 6 hr |
| Jun 26, 2:43 PM CDT | Flash Flood Watch | LSX | 31 hr |
| Jun 26, 6:22 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Jun 26, 7:12 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 26, 8:30 PM CDT | Flash Flood Warning | LSX | 12 hr |
| Jun 26, 8:34 PM CDT | Severe Thunderstorm Warning | LSX | 41 min |
| Jun 27, 12:11 AM CDT | Severe Thunderstorm Warning | LSX | 19 min |
| Jun 27, 12:26 AM CDT | Severe Thunderstorm Warning | LSX | 49 min |
| Jun 27, 5:38 AM CDT | Mesoscale Discussion | SPC | 97 min |
| Jun 27, 8:22 AM CDT | Areal Flood Warning | LSX | 12 hr |
| Jun 29, 4:09 PM CDT | Heat Advisory | LSX | 4 days |
| Jul 8, 3:17 PM CDT | Heat Advisory | LSX | 4 days |
| 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, 1:58 PM CDT | Severe Thunderstorm Warning | LSX | 47 min |
| Jul 12, 2:08 PM CDT | Severe Thunderstorm Warning | LSX | 52 min |
| Jul 12, 2:36 PM CDT | Flash Flood Warning | LSX | 2 hr |
| Jul 12, 2:54 PM CDT | Severe Thunderstorm Warning | LSX | 51 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 |
| Jul 24, 4:00 PM CDT | Excessive Heat Watch | LSX | 24 hr |
| Jul 25, 4:12 PM CDT | Heat Advisory | LSX | 9 days |
| Jul 28, 5:40 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Jul 29, 2:48 AM CDT | Severe Thunderstorm Warning | LSX | 42 min |
| Jul 29, 3:00 AM CDT | Excessive Heat Watch | LSX | 37 hr |
| Jul 30, 6:05 AM CDT | Mesoscale Discussion | SPC | 85 min |
| Aug 6, 10:14 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 6, 11:06 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Aug 23, 3:35 AM CDT | Heat Advisory | LSX | 39 hr |
| Aug 30, 4:15 PM CDT | Heat Advisory | LSX | 4 days |
| Oct 1, 2:25 PM CDT | Frost Advisory | LSX | 18 hr |
| Oct 20, 3:48 AM CDT | Freeze Warning | LSX | 29 hr |
| Oct 27, 3:55 AM CDT | Frost Advisory | LSX | 28 hr |
| Oct 28, 3:59 PM CDT | Freeze Warning | LSX | 16 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 | 18 |
| Severe Thunderstorm Watch | 12 |
| Tornado Watch | 6 |
| Mesoscale Discussion | 36 |
| Flooding | |
| Areal Flood Warning | 3 |
| Flash Flood Warning | 4 |
| Flash Flood Watch | 3 |
| Flood Watch | 1 |
| Areal Flood Advisory | 3 |
| Winter | |
| Blizzard Warning | 1 |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 2 |
| Winter Weather Advisory | 4 |
| Heat | |
| Excessive Heat Warning | 1 |
| Excessive Heat Watch | 3 |
| Heat Advisory | 5 |
| Cold | |
| Freeze Warning | 2 |
| Frost Advisory | 3 |
| Wind Chill Advisory | 3 |
| Wind and dust | |
| Wind Advisory | 2 |
| Fire | |
| Red Flag Warning | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 6 |
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.