Alert archive / Missouri / Pettis County
Weather alerts in Pettis County, Missouri, 2019
174 weather alerts in 2019, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Pettis County and its neighbors
Each county as a circle sized by its count in 2019. Tap one for its archive.
- Alerts
- 174
- Warnings
- 58
- Watches
- 29
- Advisories
- 42
- Busiest month
- May33 alerts
- Busiest day
- June 21, 201910 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Pettis County, 2019
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 17 | 8 | 53% | 5 | 100% | 28 min |
| Flash flood warnings | 3 | 2 | 33% | 2 | 100% | 45 min |
Each office's whole area, 2019
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Kansas City, MO: tornado warnings | 25 | 12 | 52% | 19 | 84% | 21 min |
| NWS Kansas City, MO: severe thunderstorm warnings | 312 | 135 | 57% | 291 | 85% | 20 min |
| NWS Kansas City, MO: flash flood warnings | 68 | 27 | 60% | 71 | 90% | 125 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 |
|---|---|---|---|
| Dec 31, 6:49 PM CST | River Flood Warning | EAX | 39 hr |
| Jan 10, 3:28 PM CST | Winter Storm Warning | EAX | 57 hr |
| Jan 10, 3:28 PM CST | Winter Weather Advisory | EAX | 51 hr |
| Jan 11, 11:34 PM CST | Mesoscale Discussion | SPC | 4 hr |
| Jan 14, 9:09 PM CST | Dense Fog Advisory | EAX | 12 hr |
| Jan 15, 6:34 PM CST | Dense Fog Advisory | EAX | 17 hr |
| Jan 17, 2:17 AM CST | Dense Fog Advisory | EAX | 8 hr |
| Jan 17, 2:29 PM CST | Winter Weather Advisory | EAX | 41 hr |
| Jan 21, 3:25 PM CST | Winter Weather Advisory | EAX | 39 hr |
| Jan 27, 3:06 PM CST | Wind Advisory | EAX | 27 hr |
| Jan 28, 2:21 AM CST | Wind Chill Watch | EAX | 13 hr |
| Jan 28, 2:52 PM CST | Wind Chill Advisory | EAX | 66 hr |
| Feb 4, 3:30 PM CST | Winter Weather Advisory | EAX | 69 hr |
| Feb 6, 4:32 AM CST | Mesoscale Discussion | SPC | 118 min |
| Feb 6, 1:40 PM CST | Ice Storm Warning | EAX | 22 hr |
| Feb 6, 7:51 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 6, 9:20 PM CST | Severe Thunderstorm Warning | EAX | 25 min |
| Feb 9, 3:41 AM CST | Winter Weather Advisory | EAX | 32 hr |
| Feb 10, 8:51 PM CST | Dense Fog Advisory | EAX | 12 hr |
| Feb 14, 4:20 AM CST | Winter Weather Advisory | EAX | 40 hr |
| Feb 16, 3:33 AM CST | Winter Weather Advisory | EAX | 38 hr |
| Feb 18, 3:29 PM CST | Winter Weather Advisory | EAX | 42 hr |
| Feb 19, 8:20 PM CST | Mesoscale Discussion | SPC | 5 hr |
| Feb 23, 2:17 AM CST | Dense Fog Advisory | EAX | 10 hr |
| Feb 23, 3:41 AM CST | Wind Advisory | EAX | 32 hr |
| Feb 23, 4:05 PM CST | River Flood Warning | EAX | 38 hr |
| Feb 26, 2:41 PM CST | Winter Weather Advisory | EAX | 21 hr |
| Mar 1, 3:19 AM CST | Winter Storm Watch | EAX | 24 hr |
| Mar 2, 3:21 AM CST | Winter Weather Advisory | EAX | 33 hr |
| Mar 8, 2:47 PM CST | Wind Advisory | EAX | 33 hr |
| Mar 9, 9:07 AM CST | River Flood Warning | EAX | 46 hr |
| Mar 12, 3:13 PM CDT | Wind Advisory | EAX | 55 hr |
| Mar 13, 6:48 AM CDT | River Flood Warning | EAX | 14 hr |
| Mar 29, 3:27 AM CDT | Flood Watch | EAX | 24 hr |
| Mar 29, 9:58 AM CDT | River Flood Warning | EAX | 70 hr |
| Apr 10, 3:16 PM CDT | Wind Advisory | EAX | 28 hr |
| Apr 12, 3:36 PM CDT | Frost Advisory | EAX | 15 hr |
| Apr 17, 5:11 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Apr 17, 5:24 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 17, 11:07 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Apr 17, 11:23 PM CDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Apr 25, 1:32 AM CDT | Dense Fog Advisory | EAX | 8 hr |
| Apr 28, 7:10 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 29, 2:27 AM CDT | Flash Flood Watch | EAX | 3 days |
| Apr 29, 9:15 PM CDT | River Flood Warning | EAX | 3 days |
| Apr 30, 2:45 PM CDT | Areal Flood Warning | EAX | 6 hr |
| Apr 30, 6:44 PM CDT | Flash Flood Warning | EAX | 4 hr |
| Apr 30, 7:26 PM CDT | Areal Flood Warning | EAX | 12 hr |
| Apr 30, 8:40 PM CDT | Areal Flood Warning | EAX | 12 hr |
| Apr 30, 10:42 PM CDT | Areal Flood Warning | EAX | 9 hr |
| May 1, 8:10 AM CDT | Areal Flood Warning | EAX | 12 hr |
| May 1, 9:13 PM CDT | Areal Flood Warning | EAX | 12 hr |
| May 1, 9:21 PM CDT | Areal Flood Warning | EAX | 12 hr |
| May 2, 9:28 AM CDT | Areal Flood Warning | EAX | 12 hr |
| May 6, 3:23 AM CDT | Flash Flood Watch | EAX | 68 hr |
| May 8, 11:27 AM CDT | River Flood Warning | EAX | 17 hr |
| May 13, 4:42 AM CDT | Dense Fog Advisory | EAX | 3 hr |
| May 14, 5:31 PM CDT | Mesoscale Discussion | SPC | 119 min |
| May 18, 10:07 AM CDT | Tornado Watch | SPC | 7 hr |
| May 18, 3:28 PM CDT | Severe Thunderstorm Warning | EAX | 47 min |
| May 18, 4:10 PM CDT | Areal Flood Advisory | EAX | 3 hr |
| May 19, 4:01 AM CDT | Flash Flood Watch | EAX | 63 hr |
| May 20, 9:43 AM CDT | River Flood Warning | EAX | 4 days |
| May 21, 12:25 AM CDT | Areal Flood Warning | EAX | 6 hr |
| May 21, 6:11 AM CDT | Areal Flood Warning | EAX | 3 hr |
| May 21, 9:11 AM CDT | Areal Flood Warning | EAX | 6 hr |
| May 21, 2:54 PM CDT | Areal Flood Warning | EAX | 12 hr |
| May 22, 3:09 AM CDT | Flash Flood Watch | EAX | 24 hr |
| May 22, 3:32 PM CDT | Tornado Watch | SPC | 7 hr |
| May 22, 7:32 PM CDT | Mesoscale Discussion | SPC | 88 min |
| May 22, 8:04 PM CDT | Severe Thunderstorm Warning | EAX | 41 min |
| May 22, 8:08 PM CDT | Flash Flood Warning | EAX | 6 hr |
| May 22, 8:40 PM CDT | Severe Thunderstorm Warning | EAX | 50 min |
| May 22, 9:10 PM CDT | Special Weather Statement | EAX | 35 min |
| May 23, 2:13 AM CDT | Areal Flood Warning | EAX | 33 hr |
| May 24, 6:04 PM CDT | Tornado Watch | SPC | 5 hr |
| May 24, 7:50 PM CDT | River Flood Warning | EAX | 38 hr |
| May 24, 8:30 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 25, 3:24 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| May 27, 9:23 AM CDT | Mesoscale Discussion | SPC | 97 min |
| Jun 1, 3:02 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Jun 1, 3:33 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 1, 6:07 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Jun 4, 1:15 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 5, 5:21 PM CDT | Mesoscale Discussion | SPC | 54 min |
| Jun 5, 7:44 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Jun 12, 4:49 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Jun 15, 7:07 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 15, 9:48 PM CDT | Mesoscale Discussion | SPC | 57 min |
| Jun 17, 12:01 PM CDT | Areal Flood Advisory | EAX | 4 hr |
| Jun 18, 6:30 AM CDT | Dense Fog Advisory | EAX | 3 hr |
| Jun 21, 2:39 AM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 21, 7:26 AM CDT | Mesoscale Discussion | SPC | 94 min |
| Jun 21, 8:28 AM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 21, 9:32 AM CDT | Special Weather Statement | EAX | 43 min |
| Jun 21, 9:43 AM CDT | Areal Flood Advisory | EAX | 4 hr |
| Jun 21, 10:01 AM CDT | Special Weather Statement | EAX | 29 min |
| Jun 21, 10:58 AM CDT | Severe Thunderstorm Warning | EAX | 47 min |
| Jun 21, 11:32 AM CDT | Severe Thunderstorm Warning | EAX | 43 min |
| Jun 21, 11:42 AM CDT | Severe Thunderstorm Warning | EAX | 48 min |
| Jun 21, 4:08 PM CDT | River Flood Warning | EAX | 40 hr |
| Jun 22, 1:58 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 22, 2:48 PM CDT | Flash Flood Watch | EAX | 23 hr |
| Jun 22, 9:47 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 22, 10:05 PM CDT | River Flood Warning | EAX | 37 hr |
| Jun 22, 10:43 PM CDT | Severe Thunderstorm Warning | EAX | 47 min |
| Jun 22, 10:59 PM CDT | Severe Thunderstorm Warning | EAX | 31 min |
| Jun 22, 11:24 PM CDT | Severe Thunderstorm Warning | EAX | 36 min |
| Jun 22, 11:41 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Jun 22, 11:59 PM CDT | Special Weather Statement | EAX | 31 min |
| Jun 28, 2:04 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Jul 5, 12:18 AM CDT | River Flood Warning | EAX | 61 hr |
| Jul 5, 4:54 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 6, 5:18 AM CDT | Dense Fog Advisory | EAX | 4 hr |
| Jul 10, 3:13 AM CDT | Heat Advisory | EAX | 9 hr |
| Jul 10, 7:11 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 10, 9:02 AM CDT | Mesoscale Discussion | SPC | 118 min |
| Jul 10, 10:17 AM CDT | Special Weather Statement | EAX | 43 min |
| Jul 10, 11:03 AM CDT | Special Weather Statement | EAX | 42 min |
| Jul 15, 3:52 PM CDT | Excessive Heat Watch | EAX | 23 hr |
| Jul 16, 2:49 PM CDT | Excessive Heat Warning | EAX | 5 days |
| Jul 20, 10:53 PM CDT | Special Weather Statement | EAX | 52 min |
| Jul 22, 1:20 PM CDT | River Flood Warning | EAX | 30 hr |
| Aug 11, 4:46 AM CDT | Heat Advisory | EAX | 39 hr |
| Aug 12, 10:43 PM CDT | Special Weather Statement | EAX | 32 min |
| Aug 12, 11:11 PM CDT | Special Weather Statement | EAX | 49 min |
| Aug 12, 11:46 PM CDT | Special Weather Statement | EAX | 44 min |
| Aug 12, 11:52 PM CDT | Severe Thunderstorm Warning | EAX | 23 min |
| Aug 13, 12:13 AM CDT | Special Weather Statement | EAX | 32 min |
| Aug 15, 10:56 PM CDT | Severe Thunderstorm Warning | EAX | 49 min |
| Aug 15, 11:35 PM CDT | Severe Thunderstorm Warning | EAX | 40 min |
| Aug 16, 12:00 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 16, 12:13 AM CDT | Severe Thunderstorm Warning | EAX | 17 min |
| Aug 16, 2:34 AM CDT | Mesoscale Discussion | SPC | 86 min |
| Aug 16, 6:04 AM CDT | Mesoscale Discussion | SPC | 56 min |
| Aug 16, 12:53 PM CDT | Flash Flood Watch | EAX | 23 hr |
| Aug 16, 11:40 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 17, 2:40 AM CDT | Mesoscale Discussion | SPC | 95 min |
| Aug 17, 4:40 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 17, 5:00 AM CDT | Severe Thunderstorm Warning | EAX | 45 min |
| Aug 17, 5:36 AM CDT | Severe Thunderstorm Warning | EAX | 54 min |
| Aug 18, 2:47 PM CDT | Heat Advisory | EAX | 53 hr |
| Aug 21, 2:59 PM CDT | Flash Flood Watch | EAX | 12 hr |
| Aug 25, 5:03 PM CDT | Special Weather Statement | EAX | 42 min |
| Aug 26, 12:12 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 26, 12:13 PM CDT | Severe Thunderstorm Warning | EAX | 47 min |
| Aug 26, 1:44 PM CDT | River Flood Warning | EAX | 38 hr |
| Aug 26, 10:33 PM CDT | River Flood Warning | EAX | 29 hr |
| Aug 29, 3:05 PM CDT | Flash Flood Watch | EAX | 18 hr |
| Aug 30, 7:54 AM CDT | River Flood Warning | EAX | 43 hr |
| Sep 1, 9:57 PM CDT | Dense Fog Advisory | EAX | 12 hr |
| Sep 20, 3:37 AM CDT | Flash Flood Watch | EAX | 59 hr |
| Sep 23, 1:07 AM CDT | Dense Fog Advisory | EAX | 8 hr |
| Sep 27, 6:16 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Sep 27, 9:04 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Sep 28, 8:31 PM CDT | Areal Flood Advisory | EAX | 3 hr |
| Sep 28, 8:53 PM CDT | Flash Flood Warning | EAX | 3 hr |
| Sep 29, 12:00 AM CDT | Areal Flood Warning | EAX | 9 hr |
| Oct 11, 3:09 AM CDT | Freeze Warning | EAX | 30 hr |
| Oct 19, 8:25 PM CDT | Dense Fog Advisory | EAX | 15 hr |
| Oct 20, 5:30 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 30, 3:26 AM CDT | Freeze Warning | EAX | 31 hr |
| Nov 10, 2:06 PM CST | Winter Weather Advisory | EAX | 25 hr |
| Nov 26, 3:39 AM CST | Wind Advisory | EAX | 29 hr |
| Nov 26, 1:18 PM CST | High Wind Warning | EAX | 23 hr |
| Nov 26, 6:20 PM CST | Tornado Watch | SPC | 6 hr |
| Nov 30, 3:25 AM CST | Wind Advisory | EAX | 36 hr |
| Dec 14, 3:10 AM CST | Winter Weather Advisory | EAX | 66 hr |
| Dec 15, 3:05 AM CST | Winter Storm Warning | EAX | 24 hr |
| Dec 16, 9:16 PM CST | Dense Fog Advisory | EAX | 13 hr |
| Dec 18, 1:16 AM CST | Dense Fog Advisory | EAX | 8 hr |
| Dec 28, 6:48 PM CST | Special Weather Statement | EAX | 42 min |
| Dec 28, 7:43 PM CST | Special Weather Statement | EAX | 47 min |
| Dec 28, 11:44 PM CST | River Flood Warning | EAX | 33 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 archive20182020
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.