Alert archive / Missouri / Pettis County
Weather alerts in Pettis County, Missouri, 2015
129 weather alerts in 2015, 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 2015. Tap one for its archive.
- Alerts
- 129
- Warnings
- 43
- Watches
- 27
- Advisories
- 24
- Busiest month
- June27 alerts
- Busiest day
- April 8, 201514 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
0 of 1 tornado warnings covering Pettis County in 2015 had a tornado report inside them.
Pettis County, 2015
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 16 | 13 | 19% | 12 | 75% | 21 min |
| Flash flood warnings | 2 | 2 | 0% | 1 | 0% |
Each office's whole area, 2015
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Kansas City, MO: tornado warnings | 37 | 14 | 62% | 25 | 84% | 18 min |
| NWS Kansas City, MO: severe thunderstorm warnings | 280 | 150 | 46% | 418 | 80% | 20 min |
| NWS Kansas City, MO: flash flood warnings | 80 | 47 | 41% | 149 | 90% | 113 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, 3:21 AM CST | Wind Chill Advisory | EAX | 54 hr |
| Feb 15, 3:37 AM CST | Winter Weather Advisory | EAX | 29 hr |
| Feb 20, 3:58 AM CST | Winter Weather Advisory | EAX | 29 hr |
| Feb 20, 6:37 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 27, 3:34 PM CST | Winter Weather Advisory | EAX | 47 hr |
| Mar 16, 3:28 AM CDT | Red Flag Warning | EAX | 17 hr |
| Mar 24, 2:59 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Mar 24, 5:30 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Mar 24, 5:43 PM CDT | Severe Thunderstorm Warning | EAX | 32 min |
| Mar 24, 6:07 PM CDT | Severe Thunderstorm Warning | EAX | 23 min |
| Apr 2, 5:22 AM CDT | Mesoscale Discussion | SPC | 113 min |
| Apr 7, 8:24 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Apr 7, 10:13 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 8, 6:17 AM CDT | Mesoscale Discussion | SPC | 88 min |
| Apr 8, 6:22 AM CDT | Dense Fog Advisory | EAX | 5 hr |
| Apr 8, 6:39 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 8, 9:09 AM CDT | Special Weather Statement | EAX | 36 min |
| Apr 8, 9:15 AM CDT | Severe Thunderstorm Warning | EAX | 45 min |
| Apr 8, 9:33 AM CDT | Mesoscale Discussion | SPC | 57 min |
| Apr 8, 2:21 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Apr 8, 2:47 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Apr 8, 2:51 PM CDT | Flash Flood Watch | EAX | 8 hr |
| Apr 8, 5:24 PM CDT | Severe Thunderstorm Warning | EAX | 51 min |
| Apr 8, 5:45 PM CDT | Mesoscale Discussion | SPC | 60 min |
| Apr 8, 6:06 PM CDT | Severe Thunderstorm Warning | EAX | 54 min |
| Apr 9, 12:58 PM CDT | Tornado Watch | SPC | 6 hr |
| Apr 9, 2:32 PM CDT | Severe Thunderstorm Warning | EAX | 43 min |
| Apr 9, 3:12 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Apr 13, 11:33 AM CDT | River Flood Warning | EAX | 40 hr |
| May 10, 11:00 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| May 10, 1:22 PM CDT | Tornado Watch | SPC | 4 hr |
| May 14, 3:44 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| May 15, 6:40 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 16, 10:27 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| May 17, 12:43 AM CDT | Severe Thunderstorm Warning | EAX | 47 min |
| May 17, 1:23 AM CDT | Severe Thunderstorm Warning | EAX | 52 min |
| May 17, 11:32 AM CDT | River Flood Warning | EAX | 31 hr |
| May 22, 2:53 PM CDT | Flash Flood Watch | EAX | 61 hr |
| May 23, 9:53 PM CDT | River Flood Warning | EAX | 69 hr |
| May 24, 12:54 PM CDT | Mesoscale Discussion | SPC | 96 min |
| May 24, 1:18 PM CDT | Tornado Watch | SPC | 6 hr |
| May 24, 1:19 PM CDT | Tornado Warning | EAX | 26 min |
| May 24, 2:36 PM CDT | Areal Flood Advisory | EAX | 6 hr |
| May 26, 11:47 AM CDT | River Flood Warning | EAX | 28 hr |
| May 29, 2:33 PM CDT | River Flood Warning | EAX | 52 hr |
| Jun 3, 1:52 PM CDT | River Flood Warning | EAX | 3 days |
| Jun 3, 2:56 PM CDT | Areal Flood Warning | EAX | 24 hr |
| Jun 4, 11:48 PM CDT | Special Weather Statement | EAX | 42 min |
| Jun 7, 7:23 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 7, 9:38 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Jun 7, 11:29 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Jun 8, 12:38 AM CDT | Special Weather Statement | EAX | 52 min |
| Jun 8, 12:46 AM CDT | Severe Thunderstorm Warning | EAX | 28 min |
| Jun 13, 3:51 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Jun 15, 9:52 AM CDT | River Flood Warning | EAX | 61 hr |
| Jun 16, 10:59 PM CDT | River Flood Warning | EAX | 29 hr |
| Jun 17, 4:04 PM CDT | Flash Flood Watch | EAX | 30 hr |
| Jun 21, 9:42 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 21, 12:12 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 25, 3:57 AM CDT | Flash Flood Watch | EAX | 32 hr |
| Jun 25, 4:52 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Jun 25, 5:53 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 25, 7:11 PM CDT | Severe Thunderstorm Warning | EAX | 49 min |
| Jun 25, 7:27 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Jun 25, 9:06 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Jun 26, 1:46 AM CDT | Mesoscale Discussion | SPC | 59 min |
| Jun 26, 2:13 AM CDT | Flash Flood Warning | EAX | 7 hr |
| Jun 26, 2:18 AM CDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Jun 26, 2:38 AM CDT | Severe Thunderstorm Warning | EAX | 52 min |
| Jun 26, 5:30 AM CDT | River Flood Warning | EAX | 50 hr |
| Jun 26, 8:56 AM CDT | Areal Flood Warning | EAX | 16 hr |
| Jun 30, 4:05 PM CDT | Flash Flood Watch | EAX | 36 hr |
| Jul 1, 1:55 AM CDT | Severe Thunderstorm Warning | EAX | 50 min |
| Jul 1, 2:24 AM CDT | Flash Flood Warning | EAX | 6 hr |
| Jul 1, 4:39 AM CDT | River Flood Warning | EAX | 66 hr |
| Jul 1, 8:41 AM CDT | Areal Flood Warning | EAX | 6 hr |
| Jul 1, 6:03 PM CDT | Tornado Watch | SPC | 6 hr |
| Jul 1, 7:52 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Jul 1, 8:28 PM CDT | Severe Thunderstorm Warning | EAX | 32 min |
| Jul 1, 8:49 PM CDT | Severe Thunderstorm Warning | EAX | 41 min |
| Jul 1, 8:56 PM CDT | Severe Thunderstorm Warning | EAX | 39 min |
| Jul 1, 10:07 PM CDT | Areal Flood Warning | EAX | 16 hr |
| Jul 2, 2:04 PM CDT | Areal Flood Warning | EAX | 24 hr |
| Jul 6, 3:44 AM CDT | Flash Flood Watch | EAX | 60 hr |
| Jul 6, 3:26 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 6, 6:20 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Jul 8, 12:51 PM CDT | River Flood Warning | EAX | 56 hr |
| Jul 11, 3:04 AM CDT | Heat Advisory | EAX | 4 days |
| Jul 13, 6:20 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jul 16, 3:46 PM CDT | Heat Advisory | EAX | 53 hr |
| Jul 19, 3:47 AM CDT | Flash Flood Watch | EAX | 33 hr |
| Jul 20, 6:45 AM CDT | Areal Flood Advisory | EAX | 3 hr |
| Jul 22, 4:03 PM CDT | Heat Advisory | EAX | 3 days |
| Jul 24, 5:38 PM CDT | Areal Flood Advisory | EAX | 3 hr |
| Jul 25, 3:43 PM CDT | Heat Advisory | EAX | 29 hr |
| Jul 25, 3:45 PM CDT | Flash Flood Watch | EAX | 18 hr |
| Jul 26, 3:55 PM CDT | Excessive Heat Warning | EAX | 53 hr |
| Jul 26, 3:55 PM CDT | Heat Advisory | EAX | 53 hr |
| Aug 1, 1:13 PM CDT | Special Weather Statement | EAX | 47 min |
| Aug 1, 1:55 PM CDT | Special Weather Statement | EAX | 50 min |
| Aug 3, 11:44 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 7, 2:13 PM CDT | Heat Advisory | EAX | 31 hr |
| Aug 9, 3:44 AM CDT | Heat Advisory | EAX | 12 hr |
| Aug 18, 5:15 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Sep 10, 3:58 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Sep 18, 10:00 AM CDT | Flash Flood Watch | EAX | 11 hr |
| Sep 18, 7:03 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Oct 16, 3:24 AM CDT | Frost Advisory | EAX | 27 hr |
| Oct 19, 2:49 AM CDT | Red Flag Warning | EAX | 16 hr |
| Oct 29, 3:05 PM CDT | Frost Advisory | EAX | 17 hr |
| Nov 1, 5:11 AM CST | Dense Fog Advisory | EAX | 3 hr |
| Nov 2, 8:52 PM CST | Dense Fog Advisory | EAX | 12 hr |
| Nov 5, 12:55 PM CST | Mesoscale Discussion | SPC | 95 min |
| Nov 5, 1:16 PM CST | Severe Thunderstorm Watch | SPC | 7 hr |
| Nov 5, 3:17 PM CST | Mesoscale Discussion | SPC | 118 min |
| Nov 10, 3:54 PM CST | Wind Advisory | EAX | 38 hr |
| Nov 11, 10:17 AM CST | Mesoscale Discussion | SPC | 118 min |
| Nov 11, 3:26 PM CST | Severe Thunderstorm Warning | EAX | 79 min |
| Nov 17, 10:09 AM CST | Areal Flood Warning | EAX | 9 hr |
| Nov 25, 3:52 PM CST | Flood Watch | EAX | 50 hr |
| Nov 26, 11:13 AM CST | River Flood Warning | EAX | 64 hr |
| Dec 7, 12:18 AM CST | Dense Fog Advisory | EAX | 10 hr |
| Dec 13, 9:59 AM CST | River Flood Warning | EAX | 52 hr |
| Dec 25, 1:21 PM CST | Flash Flood Watch | EAX | 38 hr |
| Dec 26, 1:26 PM CST | River Flood Warning | EAX | 4 days |
| Dec 27, 3:52 PM CST | Wind Advisory | EAX | 20 hr |
| Dec 27, 9:31 PM CST | Areal Flood Advisory | EAX | 24 hr |
| Dec 27, 10:13 PM CST | Winter Weather Advisory | EAX | 23 hr |
| Dec 28, 10:55 AM CST | Areal Flood Warning | EAX | 24 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 | 16 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 12 |
| Tornado Watch | 4 |
| Mesoscale Discussion | 30 |
| Special Weather Statement | 5 |
| Flooding | |
| Areal Flood Warning | 7 |
| Flash Flood Warning | 2 |
| River Flood Warning | 14 |
| Flash Flood Watch | 10 |
| Flood Watch | 1 |
| Areal Flood Advisory | 4 |
| Winter | |
| Winter Weather Advisory | 4 |
| Heat | |
| Excessive Heat Warning | 1 |
| Heat Advisory | 7 |
| Cold | |
| Frost Advisory | 2 |
| Wind Chill Advisory | 1 |
| Wind and dust | |
| Wind Advisory | 2 |
| Fire | |
| Red Flag Warning | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 4 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20142016
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.