Alert archive / Missouri / Lafayette County
Weather alerts in Lafayette County, Missouri, 2013
106 weather alerts in 2013, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Lafayette County and its neighbors
Each county as a circle sized by its count in 2013. Tap one for its archive.
- Alerts
- 106
- Warnings
- 22
- Watches
- 17
- Advisories
- 30
- Busiest month
- May26 alerts
- Busiest day
- May 28, 20138 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Lafayette County, 2013
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 7 | 5 | 29% | 0 | ||
| Flash flood warnings | 4 | 4 | 0% | 0 |
Each office's whole area, 2013
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Kansas City, MO: tornado warnings | 4 | 0 | 100% | 1 | 0% | |
| NWS Kansas City, MO: severe thunderstorm warnings | 163 | 85 | 48% | 207 | 74% | 18 min |
| NWS Kansas City, MO: flash flood warnings | 25 | 14 | 44% | 29 | 72% | 67 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 10, 3:02 PM CST | Dense Fog Advisory | EAX | 17 hr |
| Jan 12, 4:27 AM CST | Winter Weather Advisory | EAX | 18 hr |
| Jan 12, 3:45 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Jan 29, 12:51 AM CST | Mesoscale Discussion | SPC | 84 min |
| Jan 29, 3:25 AM CST | Winter Weather Advisory | EAX | 34 hr |
| Jan 29, 5:41 AM CST | Mesoscale Discussion | SPC | 94 min |
| Feb 9, 3:07 PM CST | Wind Advisory | EAX | 27 hr |
| Feb 19, 3:29 AM CST | Winter Storm Watch | EAX | 24 hr |
| Feb 20, 3:33 AM CST | Winter Storm Warning | EAX | 44 hr |
| Feb 21, 6:16 AM CST | Mesoscale Discussion | SPC | 5 hr |
| Feb 21, 11:19 AM CST | Mesoscale Discussion | SPC | 4 hr |
| Feb 23, 2:25 PM CST | Winter Storm Watch | EAX | 24 hr |
| Feb 24, 2:23 PM CST | Winter Storm Warning | EAX | 46 hr |
| Feb 26, 2:22 AM CST | Mesoscale Discussion | SPC | 5 hr |
| Feb 26, 12:17 PM CST | Winter Weather Advisory | EAX | 24 hr |
| Mar 22, 3:29 AM CDT | Winter Storm Watch | EAX | 25 hr |
| Mar 23, 4:01 AM CDT | Winter Storm Warning | EAX | 32 hr |
| Mar 24, 3:30 AM CDT | Mesoscale Discussion | SPC | 4 hr |
| Mar 24, 7:29 AM CDT | Mesoscale Discussion | SPC | 4 hr |
| Mar 24, 12:00 PM CDT | Winter Weather Advisory | EAX | 4 hr |
| Apr 7, 11:16 PM CDT | Mesoscale Discussion | SPC | 59 min |
| Apr 8, 1:44 AM CDT | Special Weather Statement | EAX | 31 min |
| Apr 9, 4:02 PM CDT | Flood Watch | EAX | 28 hr |
| Apr 9, 9:01 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Apr 14, 3:12 AM CDT | Wind Advisory | EAX | 14 hr |
| Apr 15, 8:59 PM CDT | Mesoscale Discussion | SPC | 61 min |
| Apr 16, 3:54 PM CDT | Flash Flood Watch | EAX | 41 hr |
| Apr 17, 7:45 AM CDT | Dense Fog Advisory | EAX | 2 hr |
| Apr 17, 9:50 AM CDT | River Flood Warning | EAX | 22 hr |
| Apr 17, 9:50 AM CDT | Mesoscale Discussion | SPC | 55 min |
| Apr 17, 11:11 AM CDT | Tornado Watch | SPC | 11 hr |
| Apr 17, 3:38 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Apr 17, 5:10 PM CDT | Areal Flood Advisory | EAX | 6 hr |
| Apr 17, 6:02 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Apr 17, 11:20 PM CDT | Areal Flood Advisory | EAX | 6 hr |
| Apr 19, 3:20 AM CDT | Frost Advisory | EAX | 29 hr |
| Apr 23, 4:06 AM CDT | Freeze Warning | EAX | 28 hr |
| Apr 24, 2:34 PM CDT | Frost Advisory | EAX | 17 hr |
| May 2, 3:24 PM CDT | Winter Weather Advisory | EAX | 20 hr |
| May 19, 5:54 PM CDT | Mesoscale Discussion | SPC | 66 min |
| May 19, 6:25 PM CDT | Tornado Watch | SPC | 9 hr |
| May 19, 7:30 PM CDT | Severe Thunderstorm Warning | EAX | 45 min |
| May 19, 7:59 PM CDT | Severe Thunderstorm Warning | EAX | 46 min |
| May 19, 10:16 PM CDT | Mesoscale Discussion | SPC | 59 min |
| May 20, 8:46 AM CDT | Mesoscale Discussion | SPC | 59 min |
| May 20, 12:46 PM CDT | Tornado Watch | SPC | 8 hr |
| May 20, 4:14 PM CDT | Severe Thunderstorm Warning | EAX | 46 min |
| May 27, 9:07 PM CDT | Mesoscale Discussion | SPC | 53 min |
| May 27, 9:31 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 27, 11:19 PM CDT | Mesoscale Discussion | SPC | 116 min |
| May 28, 2:06 AM CDT | Special Weather Statement | EAX | 24 min |
| May 28, 10:01 AM CDT | River Flood Warning | EAX | 6 days |
| May 28, 10:01 AM CDT | River Flood Warning | EAX | 6 days |
| May 28, 1:37 PM CDT | Mesoscale Discussion | SPC | 113 min |
| May 28, 2:23 PM CDT | Tornado Watch | SPC | 8 hr |
| May 29, 11:44 AM CDT | Flash Flood Watch | EAX | 55 hr |
| May 31, 2:44 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 31, 4:23 AM CDT | Flash Flood Warning | EAX | 6 hr |
| May 31, 4:51 AM CDT | Mesoscale Discussion | SPC | 114 min |
| May 31, 5:11 AM CDT | Flash Flood Warning | EAX | 6 hr |
| May 31, 5:22 AM CDT | Flash Flood Warning | EAX | 6 hr |
| May 31, 11:00 AM CDT | Flash Flood Warning | EAX | 3 hr |
| May 31, 11:32 AM CDT | Areal Flood Warning | EAX | 24 hr |
| May 31, 2:01 PM CDT | Areal Flood Warning | EAX | 24 hr |
| Jun 15, 3:56 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 15, 4:44 PM CDT | Severe Thunderstorm Warning | EAX | 31 min |
| Jun 15, 4:59 PM CDT | Severe Thunderstorm Warning | EAX | 46 min |
| Jun 17, 2:54 PM CDT | Areal Flood Advisory | EAX | 4 hr |
| Jun 23, 2:56 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Jun 27, 8:28 AM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 27, 11:35 AM CDT | Mesoscale Discussion | SPC | 115 min |
| Jun 27, 3:37 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Jun 27, 11:32 PM CDT | Special Weather Statement | EAX | 43 min |
| Jun 27, 11:51 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Jul 3, 3:08 PM CDT | Severe Thunderstorm Warning | EAX | 37 min |
| Jul 8, 2:27 PM CDT | Heat Advisory | EAX | 29 hr |
| Jul 9, 10:26 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 10, 1:37 AM CDT | Mesoscale Discussion | SPC | 83 min |
| Aug 6, 4:13 AM CDT | Areal Flood Advisory | EAX | 3 hr |
| Aug 7, 1:51 AM CDT | Mesoscale Discussion | SPC | 54 min |
| Aug 7, 4:54 AM CDT | Areal Flood Advisory | EAX | 4 hr |
| Aug 8, 4:13 AM CDT | Flash Flood Watch | EAX | 17 hr |
| Aug 29, 3:00 PM CDT | Heat Advisory | EAX | 52 hr |
| Aug 30, 3:05 PM CDT | Heat Advisory | EAX | 28 hr |
| Sep 1, 7:57 AM CDT | Special Weather Statement | EAX | 48 min |
| Sep 1, 8:23 AM CDT | Severe Thunderstorm Warning | EAX | 37 min |
| Sep 25, 8:49 AM CDT | Dense Fog Advisory | EAX | 2 hr |
| Sep 29, 3:27 AM CDT | Dense Fog Advisory | EAX | 6 hr |
| Oct 4, 9:30 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Oct 22, 4:00 AM CDT | Frost Advisory | EAX | 29 hr |
| Oct 24, 3:53 AM CDT | Freeze Warning | EAX | 29 hr |
| Oct 29, 6:53 PM CDT | Dense Fog Advisory | EAX | 15 hr |
| Oct 30, 6:45 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 30, 9:29 AM CDT | Mesoscale Discussion | SPC | 91 min |
| Oct 30, 2:25 PM CDT | Flash Flood Watch | EAX | 18 hr |
| Nov 16, 10:23 AM CST | Wind Advisory | EAX | 6 hr |
| Nov 17, 3:12 AM CST | Wind Advisory | EAX | 14 hr |
| Dec 3, 3:03 AM CST | Dense Fog Advisory | EAX | 8 hr |
| Dec 8, 7:00 PM CST | Winter Weather Advisory | EAX | 4 hr |
| Dec 12, 2:46 PM CST | Winter Storm Watch | EAX | 13 hr |
| Dec 13, 4:13 AM CST | Winter Weather Advisory | EAX | 28 hr |
| Dec 16, 9:42 AM CST | Freezing Fog Advisory | EAX | 2 hr |
| Dec 19, 3:35 AM CST | Freezing Rain Advisory | EAX | 31 hr |
| Dec 19, 3:33 PM CST | Winter Storm Watch | EAX | 22 hr |
| Dec 20, 1:37 PM CST | Winter Storm Warning | EAX | 40 hr |
| Dec 21, 12:53 PM CST | Mesoscale Discussion | SPC | 4 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20122014
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.