Alert archive / Missouri / Shannon County
Weather alerts in Shannon County, Missouri, 2016
114 weather alerts in 2016, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Shannon County and its neighbors
Each county as a circle sized by its count in 2016. Tap one for its archive.
- Alerts
- 114
- Warnings
- 37
- Watches
- 13
- Advisories
- 32
- Busiest month
- July28 alerts
- Busiest day
- October 19, 20166 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Shannon County, 2016
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 9 | 6 | 33% | 3 | 100% | 29 min |
| Flash flood warnings | 9 | 6 | 33% | 1 | 100% | 73 min |
Each office's whole area, 2016
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Springfield, MO: tornado warnings | 7 | 1 | 86% | 4 | 50% | 18 min |
| NWS Springfield, MO: severe thunderstorm warnings | 251 | 158 | 37% | 309 | 82% | 22 min |
| NWS Springfield, MO: flash flood warnings | 96 | 52 | 46% | 105 | 84% | 84 min |
An office's figures cover every county it serves, including across state lines.
Verified by the Iowa Environmental Mesonet's Cow, which matches each storm-based warning with the local storm reports inside its polygon while it was in force, within 15 km of its edge: a tornado warning counts as verified on a tornado report, a severe thunderstorm warning on hail of 1 inch or more, a gust of 58 mph or more, or wind damage, a flash flood warning on a flash flood report. The false alarm ratio is the share of warnings with no such report; "inside a warning" is the probability of detection, the share of reports that fell inside one; lead time runs from the warning's issue to each report inside it, counting zero for a report that came first. A warning with no report is not proof nothing happened: reports come from spotters, the public and damage surveys, and are thin where few people live.
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, 2:08 PM CST | Winter Weather Advisory | SGF | 24 hr |
| Jan 18, 3:24 PM CST | Winter Weather Advisory | SGF | 36 hr |
| Jan 20, 1:48 PM CST | Winter Weather Advisory | SGF | 40 hr |
| Feb 13, 2:53 PM CST | Winter Weather Advisory | SGF | 24 hr |
| Feb 14, 3:40 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 15, 12:07 AM CST | Dense Fog Advisory | SGF | 12 hr |
| Feb 23, 10:55 AM CST | Wind Advisory | SGF | 22 hr |
| Feb 23, 2:40 PM CST | Winter Weather Advisory | SGF | 19 hr |
| Feb 24, 2:37 AM CST | Mesoscale Discussion | SPC | 5 hr |
| Mar 8, 9:49 AM CST | River Flood Warning | SGF | 61 hr |
| Mar 8, 10:48 AM CST | Flash Flood Watch | SGF | 38 hr |
| Mar 12, 11:42 PM CST | Dense Fog Advisory | SGF | 10 hr |
| Mar 19, 4:00 AM CDT | Freeze Watch | SGF | 24 hr |
| Mar 19, 4:00 AM CDT | Freeze Warning | SGF | 29 hr |
| Mar 20, 4:19 AM CDT | Freeze Warning | SGF | 29 hr |
| Mar 23, 2:44 PM CDT | Freeze Watch | SGF | 12 hr |
| Mar 24, 3:00 AM CDT | Freeze Warning | SGF | 30 hr |
| Mar 27, 12:27 PM CDT | Frost Advisory | SGF | 21 hr |
| Mar 30, 11:38 AM CDT | Special Weather Statement | SGF | 37 min |
| Apr 2, 11:54 AM CDT | Red Flag Warning | PAH | 6 hr |
| Apr 7, 3:44 AM CDT | Freeze Watch | SGF | 23 hr |
| Apr 7, 3:44 AM CDT | Wind Advisory | SGF | 15 hr |
| Apr 8, 2:49 AM CDT | Freeze Warning | SGF | 29 hr |
| Apr 26, 11:52 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 27, 12:40 AM CDT | Mesoscale Discussion | SPC | 95 min |
| Apr 27, 5:34 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Apr 30, 3:02 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Apr 30, 3:59 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 30, 7:17 PM CDT | Severe Thunderstorm Warning | SGF | 43 min |
| Apr 30, 7:36 PM CDT | Mesoscale Discussion | SPC | 54 min |
| May 9, 6:38 PM CDT | Mesoscale Discussion | SPC | 97 min |
| May 9, 7:19 PM CDT | Special Weather Statement | SGF | 26 min |
| May 9, 9:02 PM CDT | Areal Flood Advisory | SGF | 6 hr |
| May 11, 3:07 PM CDT | Mesoscale Discussion | SPC | 53 min |
| May 11, 10:56 PM CDT | Severe Thunderstorm Warning | SGF | 49 min |
| May 12, 12:13 AM CDT | Special Weather Statement | SGF | 47 min |
| May 17, 4:26 AM CDT | Areal Flood Advisory | SGF | 6 hr |
| May 17, 9:11 AM CDT | Areal Flood Advisory | SGF | 12 hr |
| May 24, 10:59 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 24, 3:05 PM CDT | Flash Flood Warning | SGF | 6 hr |
| May 24, 6:39 PM CDT | Areal Flood Warning | SGF | 10 hr |
| May 26, 5:29 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 30, 6:37 PM CDT | Areal Flood Advisory | SGF | 3 hr |
| Jun 4, 8:40 AM CDT | Areal Flood Advisory | SGF | 6 hr |
| Jun 4, 10:06 AM CDT | Areal Flood Warning | SGF | 6 hr |
| Jun 4, 10:50 AM CDT | River Flood Warning | SGF | 22 hr |
| Jun 4, 2:34 PM CDT | River Flood Warning | SGF | 34 hr |
| Jun 4, 4:02 PM CDT | Areal Flood Warning | SGF | 18 hr |
| Jun 14, 2:35 PM CDT | Heat Advisory | SGF | 3 days |
| Jun 15, 3:01 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Jun 23, 3:29 AM CDT | Heat Advisory | SGF | 18 hr |
| Jun 23, 9:11 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 23, 10:23 PM CDT | Special Weather Statement | SGF | 52 min |
| Jul 4, 3:16 AM CDT | Areal Flood Advisory | SGF | 6 hr |
| Jul 4, 3:47 AM CDT | Flash Flood Warning | SGF | 6 hr |
| Jul 5, 3:13 AM CDT | Dense Fog Advisory | SGF | 3 hr |
| Jul 6, 10:23 AM CDT | Severe Thunderstorm Warning | SGF | 52 min |
| Jul 6, 10:32 AM CDT | Mesoscale Discussion | SPC | 58 min |
| Jul 6, 10:48 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 6, 12:53 PM CDT | Mesoscale Discussion | SPC | 67 min |
| Jul 7, 5:26 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 7, 6:01 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 7, 8:10 AM CDT | Mesoscale Discussion | SPC | 95 min |
| Jul 8, 1:59 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 8, 2:26 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 8, 3:47 PM CDT | Severe Thunderstorm Warning | SGF | 58 min |
| Jul 9, 4:23 PM CDT | Severe Thunderstorm Warning | SGF | 37 min |
| Jul 9, 6:21 PM CDT | Flash Flood Warning | SGF | 6 hr |
| Jul 13, 5:08 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 15, 9:26 AM CDT | Special Weather Statement | SGF | 49 min |
| Jul 15, 2:15 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 18, 2:49 AM CDT | Heat Advisory | SGF | 4 days |
| Jul 18, 2:38 PM CDT | Excessive Heat Warning | SGF | 6 days |
| Jul 20, 3:01 PM CDT | Special Weather Statement | SGF | 44 min |
| Jul 20, 3:24 PM CDT | Special Weather Statement | SGF | 21 min |
| Jul 25, 6:54 PM CDT | Areal Flood Advisory | SGF | 5 hr |
| Jul 26, 1:08 PM CDT | Flash Flood Warning | SGF | 6 hr |
| Jul 27, 4:54 PM CDT | Flash Flood Warning | SGF | 6 hr |
| Jul 29, 3:15 PM CDT | Special Weather Statement | SGF | 45 min |
| Jul 29, 3:46 PM CDT | Severe Thunderstorm Warning | SGF | 29 min |
| Jul 29, 4:01 PM CDT | Severe Thunderstorm Warning | SGF | 13 min |
| Aug 3, 2:26 PM CDT | Heat Advisory | SGF | 30 hr |
| Aug 3, 6:00 PM CDT | Flash Flood Warning | SGF | 5 hr |
| Aug 5, 3:22 AM CDT | Heat Advisory | SGF | 16 hr |
| Aug 12, 3:31 AM CDT | Flash Flood Watch | SGF | 4 days |
| Aug 14, 10:22 AM CDT | River Flood Watch | SGF | 50 hr |
| Aug 14, 8:35 PM CDT | River Flood Warning | SGF | 41 hr |
| Aug 15, 5:08 AM CDT | Areal Flood Warning | SGF | 7 hr |
| Aug 15, 8:25 AM CDT | River Flood Warning | SGF | 29 hr |
| Aug 15, 12:00 PM CDT | Areal Flood Warning | SGF | 8 hr |
| Aug 15, 7:51 PM CDT | Areal Flood Warning | SGF | 10 hr |
| Sep 8, 1:01 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 15, 2:38 PM CDT | Flash Flood Warning | SGF | 6 hr |
| Sep 16, 12:46 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 16, 6:29 PM CDT | Special Weather Statement | SGF | 46 min |
| Sep 16, 7:35 PM CDT | Flash Flood Warning | SGF | 6 hr |
| Sep 16, 8:57 PM CDT | Flash Flood Warning | SGF | 6 hr |
| Sep 17, 1:29 AM CDT | Areal Flood Warning | SGF | 9 hr |
| Oct 19, 12:05 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Oct 19, 12:42 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Oct 19, 3:35 PM CDT | Severe Thunderstorm Warning | SGF | 40 min |
| Oct 19, 3:36 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Oct 19, 4:13 PM CDT | Severe Thunderstorm Warning | SGF | 45 min |
| Oct 19, 5:54 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Nov 3, 10:38 PM CDT | Dense Fog Advisory | SGF | 12 hr |
| Nov 9, 1:55 AM CST | Frost Advisory | SGF | 31 hr |
| Nov 12, 2:26 AM CST | Freeze Warning | SGF | 30 hr |
| Nov 26, 6:08 PM CST | Dense Fog Advisory | SGF | 16 hr |
| Dec 5, 3:56 AM CST | Freezing Fog Advisory | SGF | 5 hr |
| Dec 16, 10:20 AM CST | Winter Weather Advisory | SGF | 11 hr |
| Dec 16, 2:56 PM CST | Wind Chill Advisory | SGF | 45 hr |
| Dec 16, 2:56 PM CST | Winter Weather Advisory | SGF | 33 hr |
| Dec 24, 2:52 PM CST | Dense Fog Advisory | SGF | 19 hr |
| Dec 25, 10:01 AM CST | Dense Fog Advisory | SGF | 119 min |
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 | 9 |
| Severe Thunderstorm Watch | 7 |
| Mesoscale Discussion | 23 |
| Special Weather Statement | 9 |
| Flooding | |
| Areal Flood Warning | 7 |
| Flash Flood Warning | 9 |
| River Flood Warning | 5 |
| Flash Flood Watch | 2 |
| River Flood Watch | 1 |
| Areal Flood Advisory | 7 |
| Winter | |
| Winter Weather Advisory | 7 |
| Heat | |
| Excessive Heat Warning | 1 |
| Heat Advisory | 5 |
| Cold | |
| Freeze Warning | 5 |
| Freeze Watch | 3 |
| Frost Advisory | 2 |
| Wind Chill Advisory | 1 |
| Wind and dust | |
| Wind Advisory | 2 |
| Fire | |
| Red Flag Warning | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 7 |
| Freezing Fog Advisory | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20152017
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. Warning verification from the Mesonet's Cow. Rebuilt daily.