Alert archive / Missouri / Reynolds County
Weather alerts in Reynolds County, Missouri, 2018
103 weather alerts in 2018, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Reynolds County and its neighbors
Each county as a circle sized by its count in 2018. Tap one for its archive.
- Alerts
- 103
- Warnings
- 28
- Watches
- 14
- Advisories
- 27
- Busiest month
- June21 alerts
- Busiest day
- April 3, 20187 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Reynolds County, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 11 | 4 | 64% | 6 | 83% | 15 min |
| Flash flood warnings | 1 | 1 | 0% | 1 | 100% | 97 min |
Each office's whole area, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS St. Louis, MO: tornado warnings | 20 | 3 | 85% | 19 | 42% | 14 min |
| NWS St. Louis, MO: severe thunderstorm warnings | 218 | 101 | 54% | 375 | 80% | 23 min |
| NWS St. Louis, MO: flash flood warnings | 45 | 19 | 58% | 48 | 85% | 90 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 6, 3:35 AM CST | Winter Weather Advisory | LSX | 44 hr |
| Jan 8, 3:36 PM CST | Dense Fog Advisory | LSX | 20 hr |
| Jan 9, 3:28 PM CST | Dense Fog Advisory | LSX | 18 hr |
| Jan 11, 3:14 AM CST | Winter Weather Advisory | LSX | 27 hr |
| Jan 11, 8:43 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Jan 14, 3:22 PM CST | Wind Chill Advisory | LSX | 45 hr |
| Jan 14, 3:22 PM CST | Winter Weather Advisory | LSX | 21 hr |
| Jan 22, 1:43 AM CST | Special Weather Statement | LSX | 47 min |
| Jan 22, 2:15 AM CST | Severe Thunderstorm Warning | LSX | 45 min |
| Feb 6, 3:34 AM CST | Winter Weather Advisory | LSX | 25 hr |
| Feb 6, 6:08 PM CST | Mesoscale Discussion | SPC | 4 hr |
| Feb 10, 4:20 AM CST | Winter Weather Advisory | LSX | 29 hr |
| Feb 18, 6:17 AM CST | Dense Fog Advisory | LSX | 3 hr |
| Feb 20, 2:50 PM CST | Winter Weather Advisory | LSX | 44 hr |
| Feb 20, 2:59 PM CST | Flood Watch | LSX | 15 hr |
| Feb 21, 2:17 AM CST | Areal Flood Advisory | LSX | 6 hr |
| Feb 21, 6:31 AM CST | River Flood Warning | LSX | 29 hr |
| Feb 22, 3:24 PM CST | Flood Watch | LSX | 52 hr |
| Feb 24, 9:03 AM CST | River Flood Warning | LSX | 64 hr |
| Feb 24, 4:23 PM CST | Flash Flood Warning | LSX | 6 hr |
| Feb 24, 9:50 PM CST | Areal Flood Warning | LSX | 12 hr |
| Feb 25, 9:48 AM CST | Areal Flood Warning | LSX | 9 hr |
| Mar 6, 3:25 AM CST | Red Flag Warning | LSX | 15 hr |
| Mar 6, 3:25 AM CST | Wind Advisory | LSX | 15 hr |
| Mar 25, 3:16 PM CDT | Flood Watch | LSX | 54 hr |
| Mar 28, 3:46 AM CDT | River Flood Warning | LSX | 39 hr |
| Mar 29, 12:52 PM CDT | River Flood Warning | LSX | 42 hr |
| Apr 3, 4:27 AM CDT | Freeze Warning | LSX | 30 hr |
| Apr 3, 12:57 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 3, 1:33 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 3, 3:13 PM CDT | Severe Thunderstorm Warning | LSX | 47 min |
| Apr 3, 3:14 PM CDT | Severe Thunderstorm Warning | LSX | 46 min |
| Apr 3, 3:34 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Apr 3, 3:46 PM CDT | Severe Thunderstorm Warning | LSX | 49 min |
| Apr 4, 3:28 AM CDT | Freeze Warning | LSX | 29 hr |
| Apr 5, 3:37 PM CDT | Freeze Warning | LSX | 42 hr |
| Apr 7, 4:05 AM CDT | Freeze Warning | LSX | 29 hr |
| Apr 13, 5:08 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 13, 5:27 PM CDT | Tornado Watch | SPC | 8 hr |
| Apr 13, 8:42 PM CDT | Mesoscale Discussion | SPC | 63 min |
| Apr 13, 10:36 PM CDT | Special Weather Statement | LSX | 39 min |
| Apr 14, 5:48 AM CDT | River Flood Warning | LSX | 27 hr |
| Apr 15, 3:52 AM CDT | Freeze Warning | LSX | 29 hr |
| Apr 16, 3:25 AM CDT | Frost Advisory | LSX | 30 hr |
| Apr 19, 2:46 AM CDT | Frost Advisory | LSX | 30 hr |
| May 2, 10:20 PM CDT | Mesoscale Discussion | SPC | 115 min |
| May 2, 11:09 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 3, 2:32 AM CDT | Mesoscale Discussion | SPC | 88 min |
| May 4, 4:29 AM CDT | River Flood Warning | LSX | 17 hr |
| May 19, 11:56 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 19, 2:30 PM CDT | Special Weather Statement | LSX | 45 min |
| May 31, 12:24 PM CDT | Mesoscale Discussion | SPC | 96 min |
| May 31, 1:57 PM CDT | Tornado Watch | SPC | 6 hr |
| May 31, 4:42 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 31, 5:39 PM CDT | Severe Thunderstorm Warning | LSX | 36 min |
| May 31, 6:49 PM CDT | Severe Thunderstorm Warning | LSX | 41 min |
| May 31, 7:28 PM CDT | Severe Thunderstorm Warning | LSX | 32 min |
| May 31, 7:37 PM CDT | Mesoscale Discussion | SPC | 113 min |
| May 31, 7:56 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 31, 8:14 PM CDT | Severe Thunderstorm Warning | LSX | 50 min |
| May 31, 9:26 PM CDT | Special Weather Statement | LSX | 49 min |
| Jun 2, 3:42 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 2, 5:57 PM CDT | Special Weather Statement | LSX | 63 min |
| Jun 2, 6:53 PM CDT | Special Weather Statement | LSX | 67 min |
| Jun 9, 6:29 AM CDT | Special Weather Statement | LSX | 46 min |
| Jun 9, 9:32 AM CDT | Special Weather Statement | LSX | 43 min |
| Jun 9, 9:57 AM CDT | Areal Flood Warning | LSX | 3 hr |
| Jun 15, 3:53 AM CDT | Heat Advisory | LSX | 5 days |
| Jun 23, 4:50 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Jun 26, 7:39 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 26, 1:53 PM CDT | Mesoscale Discussion | SPC | 67 min |
| Jun 26, 2:03 PM CDT | Severe Thunderstorm Warning | LSX | 42 min |
| Jun 26, 2:22 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 26, 3:05 PM CDT | Severe Thunderstorm Warning | LSX | 40 min |
| Jun 26, 5:43 PM CDT | Special Weather Statement | LSX | 17 min |
| Jun 27, 3:46 AM CDT | Heat Advisory | LSX | 5 days |
| Jun 30, 4:03 PM CDT | Special Weather Statement | LSX | 27 min |
| Jul 3, 3:31 AM CDT | Heat Advisory | LSX | 64 hr |
| Jul 12, 3:35 AM CDT | Heat Advisory | LSX | 64 hr |
| Jul 14, 10:59 PM CDT | Special Weather Statement | LSX | 31 min |
| Jul 16, 4:12 PM CDT | Special Weather Statement | LSX | 33 min |
| Jul 19, 11:22 AM CDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Jul 19, 2:15 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 27, 1:19 AM CDT | Dense Fog Advisory | LSX | 7 hr |
| Aug 7, 12:22 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Aug 7, 1:53 PM CDT | Special Weather Statement | LSX | 52 min |
| Aug 9, 10:02 AM CDT | Areal Flood Advisory | LSX | 118 min |
| Aug 16, 11:50 PM CDT | Special Weather Statement | LSX | 55 min |
| Aug 20, 11:46 AM CDT | Mesoscale Discussion | SPC | 119 min |
| Aug 20, 12:46 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Sep 6, 3:21 AM CDT | Flash Flood Watch | LSX | 60 hr |
| Oct 17, 3:37 AM CDT | Frost Advisory | LSX | 28 hr |
| Oct 20, 3:18 AM CDT | Freeze Warning | LSX | 29 hr |
| Nov 3, 3:03 AM CDT | Dense Fog Advisory | LSX | 6 hr |
| Nov 11, 2:00 PM CST | Winter Weather Advisory | LSX | 36 hr |
| Nov 13, 2:28 PM CST | Winter Storm Watch | LSX | 12 hr |
| Nov 14, 2:32 AM CST | Winter Weather Advisory | LSX | 36 hr |
| Nov 25, 1:48 AM CST | Dense Fog Advisory | LSX | 6 hr |
| Nov 25, 11:22 AM CST | Wind Advisory | LSX | 19 hr |
| Nov 29, 9:55 PM CST | Dense Fog Advisory | LSX | 14 hr |
| Dec 1, 12:58 AM CST | Mesoscale Discussion | SPC | 2 hr |
| Dec 1, 2:37 AM CST | Severe Thunderstorm Warning | LSX | 38 min |
| Dec 13, 3:28 PM CST | Flood Watch | LSX | 38 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 | 11 |
| Severe Thunderstorm Watch | 5 |
| Tornado Watch | 3 |
| Mesoscale Discussion | 20 |
| Special Weather Statement | 14 |
| Flooding | |
| Areal Flood Warning | 3 |
| Flash Flood Warning | 1 |
| River Flood Warning | 6 |
| Flash Flood Watch | 1 |
| Flood Watch | 4 |
| Areal Flood Advisory | 2 |
| Winter | |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 8 |
| Heat | |
| Heat Advisory | 4 |
| Cold | |
| Freeze Warning | 6 |
| Frost Advisory | 3 |
| Wind Chill Advisory | 1 |
| Wind and dust | |
| Wind Advisory | 2 |
| Fire | |
| Red Flag Warning | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 7 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20172019
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.