Alert archive / Missouri / Chariton County
Weather alerts in Chariton County, Missouri, 2009
177 weather alerts in 2009, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Chariton County and its neighbors
Each county as a circle sized by its count in 2009. Tap one for its archive.
- Alerts
- 177
- Warnings
- 70
- Watches
- 30
- Advisories
- 30
- Busiest month
- June43 alerts
- Busiest day
- May 15, 200913 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Chariton County, 2009
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 11 | 3 | 73% | 0 | ||
| Flash flood warnings | 3 | 2 | 33% | 2 | 100% | 522 min |
Each office's whole area, 2009
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Kansas City, MO: tornado warnings | 29 | 10 | 66% | 24 | 83% | 14 min |
| NWS Kansas City, MO: severe thunderstorm warnings | 251 | 122 | 51% | 309 | 70% | 17 min |
| NWS Kansas City, MO: flash flood warnings | 53 | 32 | 40% | 104 | 83% | 156 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 12, 3:48 AM CST | Wind Advisory | EAX | 18 hr |
| Jan 14, 4:28 AM CST | Wind Chill Advisory | EAX | 32 hr |
| Feb 9, 3:12 PM CST | Flash Flood Watch | EAX | 13 hr |
| Feb 26, 6:57 AM CST | Mesoscale Discussion | SPC | 93 min |
| Feb 26, 9:26 AM CST | Mesoscale Discussion | SPC | 2 hr |
| Feb 26, 12:51 PM CST | Mesoscale Discussion | SPC | 114 min |
| Feb 27, 3:04 PM CST | Winter Weather Advisory | EAX | 25 hr |
| Mar 6, 9:17 PM CST | Mesoscale Discussion | SPC | 118 min |
| Mar 7, 12:44 AM CST | Mesoscale Discussion | SPC | 2 hr |
| Mar 7, 6:31 PM CST | Mesoscale Discussion | SPC | 59 min |
| Mar 7, 7:33 PM CST | Severe Thunderstorm Watch | SPC | 7 hr |
| Mar 7, 9:40 PM CST | Flash Flood Watch | EAX | 8 hr |
| Mar 7, 10:26 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Mar 7, 11:31 PM CST | Areal Flood Advisory | EAX | 10 hr |
| Mar 8, 12:43 AM CST | Mesoscale Discussion | SPC | 92 min |
| Mar 8, 6:32 AM CDT | Tornado Watch | SPC | 7 hr |
| Mar 8, 10:53 AM CDT | Areal Flood Warning | EAX | 24 hr |
| Mar 8, 11:10 AM CDT | River Flood Warning | EAX | 6 days |
| Mar 8, 12:58 PM CDT | River Flood Warning | EAX | 3 days |
| Mar 9, 3:34 AM CDT | Flash Flood Watch | EAX | 27 hr |
| Mar 9, 1:57 PM CDT | River Flood Warning | EAX | 6 days |
| Mar 10, 6:49 AM CDT | Areal Flood Warning | EAX | 36 hr |
| Mar 10, 9:45 PM CDT | River Flood Warning | EAX | 18 hr |
| Mar 23, 4:01 PM CDT | Flash Flood Watch | EAX | 21 hr |
| Mar 24, 9:27 AM CDT | River Flood Warning | EAX | 5 days |
| Mar 24, 8:47 PM CDT | River Flood Warning | EAX | 22 hr |
| Mar 26, 11:22 AM CDT | Winter Storm Watch | EAX | 18 hr |
| Mar 27, 5:02 AM CDT | Winter Storm Warning | EAX | 42 hr |
| Mar 27, 5:02 AM CDT | Winter Weather Advisory | EAX | 44 hr |
| Mar 27, 9:59 AM CDT | River Flood Warning | EAX | 23 hr |
| Mar 31, 3:00 PM CDT | Frost Advisory | EAX | 13 hr |
| Apr 2, 2:58 PM CDT | Frost Advisory | EAX | 18 hr |
| Apr 4, 6:20 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Apr 5, 3:52 AM CDT | Freeze Warning | EAX | 29 hr |
| Apr 6, 3:35 AM CDT | Freeze Warning | EAX | 29 hr |
| Apr 10, 3:43 AM CDT | Frost Advisory | EAX | 28 hr |
| Apr 10, 8:52 PM CDT | River Flood Warning | EAX | 14 hr |
| Apr 14, 3:20 AM CDT | Frost Advisory | EAX | 24 hr |
| Apr 25, 8:54 AM CDT | River Flood Warning | EAX | 9 days |
| Apr 25, 4:04 PM CDT | Flood Watch | EAX | 43 hr |
| Apr 25, 4:30 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 25, 7:17 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Apr 25, 10:09 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 26, 2:10 AM CDT | Mesoscale Discussion | SPC | 95 min |
| Apr 26, 11:15 PM CDT | Mesoscale Discussion | SPC | 60 min |
| Apr 27, 10:46 AM CDT | River Flood Warning | EAX | 7 days |
| Apr 27, 10:46 AM CDT | River Flood Warning | EAX | 7 days |
| Apr 27, 2:26 PM CDT | Areal Flood Advisory | EAX | 3 hr |
| Apr 27, 3:28 PM CDT | Flash Flood Warning | EAX | 4 hr |
| Apr 27, 7:29 PM CDT | Areal Flood Warning | EAX | 24 hr |
| Apr 27, 8:18 PM CDT | River Flood Warning | EAX | 14 hr |
| Apr 28, 3:57 AM CDT | River Flood Warning | EAX | 6 days |
| Apr 29, 4:17 AM CDT | Flash Flood Watch | EAX | 24 hr |
| Apr 29, 9:58 PM CDT | Areal Flood Advisory | EAX | 6 hr |
| Apr 30, 1:55 AM CDT | Areal Flood Warning | EAX | 7 hr |
| May 7, 1:44 PM CDT | Tornado Watch | SPC | 6 hr |
| May 7, 3:55 PM CDT | Mesoscale Discussion | SPC | 65 min |
| May 7, 5:42 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 7, 7:37 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 7, 8:45 PM CDT | Severe Thunderstorm Warning | EAX | 30 min |
| May 7, 9:15 PM CDT | Severe Thunderstorm Warning | EAX | 30 min |
| May 7, 9:35 PM CDT | Severe Thunderstorm Warning | EAX | 25 min |
| May 7, 10:01 PM CDT | Severe Thunderstorm Warning | EAX | 29 min |
| May 13, 9:27 AM CDT | Mesoscale Discussion | SPC | 63 min |
| May 13, 1:52 PM CDT | Mesoscale Discussion | SPC | 23 min |
| May 13, 2:39 PM CDT | Tornado Watch | SPC | 7 hr |
| May 13, 5:47 PM CDT | Mesoscale Discussion | SPC | 88 min |
| May 13, 7:06 PM CDT | Special Weather Statement | EAX | 24 min |
| May 14, 3:22 PM CDT | Flash Flood Watch | EAX | 31 hr |
| May 15, 2:03 AM CDT | Mesoscale Discussion | SPC | 87 min |
| May 15, 7:42 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 15, 10:01 AM CDT | River Flood Warning | EAX | 3 days |
| May 15, 10:01 AM CDT | River Flood Warning | EAX | 7 days |
| May 15, 11:48 AM CDT | Mesoscale Discussion | SPC | 57 min |
| May 15, 12:50 PM CDT | Tornado Watch | SPC | 7 hr |
| May 15, 3:01 PM CDT | Mesoscale Discussion | SPC | 59 min |
| May 15, 3:04 PM CDT | Special Weather Statement | EAX | 26 min |
| May 15, 3:33 PM CDT | Severe Thunderstorm Warning | EAX | 27 min |
| May 15, 3:41 PM CDT | River Flood Warning | EAX | 7 days |
| May 15, 3:43 PM CDT | Mesoscale Discussion | SPC | 62 min |
| May 15, 4:29 PM CDT | Flash Flood Warning | EAX | 5 hr |
| May 15, 5:31 PM CDT | Mesoscale Discussion | SPC | 119 min |
| May 15, 8:19 PM CDT | River Flood Warning | EAX | 4 days |
| May 15, 9:25 PM CDT | Areal Flood Warning | EAX | 48 hr |
| May 16, 9:59 AM CDT | River Flood Warning | EAX | 3 days |
| May 27, 2:34 PM CDT | River Flood Warning | EAX | 39 hr |
| Jun 2, 3:48 AM CDT | Flash Flood Watch | EAX | 14 hr |
| Jun 2, 2:14 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 6, 11:16 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 7, 12:44 AM CDT | Mesoscale Discussion | SPC | 61 min |
| Jun 7, 4:45 AM CDT | Mesoscale Discussion | SPC | 30 min |
| Jun 7, 12:18 PM CDT | Mesoscale Discussion | SPC | 57 min |
| Jun 7, 5:31 PM CDT | Mesoscale Discussion | SPC | 59 min |
| Jun 7, 5:44 PM CDT | Tornado Watch | SPC | 6 hr |
| Jun 7, 11:09 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 8, 3:25 AM CDT | Mesoscale Discussion | SPC | 65 min |
| Jun 8, 4:55 AM CDT | River Flood Warning | EAX | 6 days |
| Jun 9, 3:56 AM CDT | Flash Flood Watch | EAX | 24 hr |
| Jun 9, 3:56 PM CDT | River Flood Warning | EAX | 18 hr |
| Jun 11, 2:13 AM CDT | Mesoscale Discussion | SPC | 62 min |
| Jun 11, 4:06 AM CDT | Severe Thunderstorm Warning | EAX | 39 min |
| Jun 11, 4:50 AM CDT | Areal Flood Advisory | EAX | 5 hr |
| Jun 11, 9:16 AM CDT | Areal Flood Warning | EAX | 9 hr |
| Jun 11, 11:00 AM CDT | River Flood Warning | EAX | 34 hr |
| Jun 11, 11:00 AM CDT | River Flood Warning | EAX | 32 hr |
| Jun 11, 11:00 AM CDT | River Flood Warning | EAX | 32 hr |
| Jun 15, 6:50 AM CDT | Areal Flood Advisory | EAX | 6 hr |
| Jun 15, 10:34 AM CDT | River Flood Warning | EAX | 4 days |
| Jun 15, 3:04 PM CDT | Flash Flood Watch | EAX | 18 hr |
| Jun 15, 11:18 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Jun 15, 11:40 PM CDT | River Flood Warning | EAX | 70 hr |
| Jun 16, 12:16 AM CDT | Areal Flood Advisory | EAX | 4 days |
| Jun 16, 12:43 AM CDT | Areal Flood Advisory | EAX | 6 days |
| Jun 16, 1:45 AM CDT | Areal Flood Advisory | EAX | 4 hr |
| Jun 16, 9:49 AM CDT | River Flood Warning | EAX | 3 days |
| Jun 16, 9:49 AM CDT | River Flood Warning | EAX | 67 hr |
| Jun 17, 3:09 PM CDT | Tornado Watch | SPC | 7 hr |
| Jun 17, 6:39 PM CDT | Severe Thunderstorm Warning | EAX | 36 min |
| Jun 17, 6:42 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 17, 7:13 PM CDT | Severe Thunderstorm Warning | EAX | 32 min |
| Jun 19, 10:57 AM CDT | Mesoscale Discussion | SPC | 93 min |
| Jun 21, 3:43 PM CDT | Heat Advisory | EAX | 47 hr |
| Jun 22, 7:32 AM CDT | Areal Flood Advisory | EAX | 4 hr |
| Jun 22, 1:37 PM CDT | Excessive Heat Warning | EAX | 5 days |
| Jun 23, 8:38 PM CDT | Special Weather Statement | EAX | 37 min |
| Jun 25, 3:39 AM CDT | Heat Advisory | EAX | 63 hr |
| Jun 27, 5:43 PM CDT | Mesoscale Discussion | SPC | 62 min |
| Jun 27, 5:54 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 27, 7:39 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 8, 2:16 AM CDT | Mesoscale Discussion | SPC | 59 min |
| Jul 9, 11:54 AM CDT | Mesoscale Discussion | SPC | 96 min |
| Jul 10, 2:28 AM CDT | Mesoscale Discussion | SPC | 62 min |
| Jul 25, 2:17 AM CDT | Mesoscale Discussion | SPC | 88 min |
| Jul 25, 2:47 AM CDT | Severe Thunderstorm Warning | EAX | 43 min |
| Aug 3, 8:07 AM CDT | Special Weather Statement | EAX | 23 min |
| Aug 3, 8:39 AM CDT | Special Weather Statement | EAX | 36 min |
| Aug 3, 9:03 AM CDT | Severe Thunderstorm Warning | EAX | 25 min |
| Aug 4, 2:11 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 4, 4:06 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 4, 4:25 AM CDT | Severe Thunderstorm Warning | EAX | 33 min |
| Aug 4, 5:02 AM CDT | Special Weather Statement | EAX | 43 min |
| Aug 7, 4:01 PM CDT | Heat Advisory | EAX | 28 hr |
| Aug 16, 3:14 PM CDT | Flash Flood Watch | EAX | 23 hr |
| Aug 16, 10:01 PM CDT | River Flood Warning | EAX | 5 days |
| Aug 17, 1:22 AM CDT | Mesoscale Discussion | SPC | 83 min |
| Aug 17, 1:33 AM CDT | Flash Flood Warning | EAX | 12 hr |
| Aug 17, 5:48 AM CDT | River Flood Warning | EAX | 22 hr |
| Aug 17, 8:54 AM CDT | River Flood Warning | EAX | 4 days |
| Aug 17, 9:26 AM CDT | Areal Flood Advisory | EAX | 5 hr |
| Aug 17, 9:55 AM CDT | River Flood Warning | EAX | 49 hr |
| Aug 17, 12:57 PM CDT | Areal Flood Warning | EAX | 33 hr |
| Aug 18, 2:38 PM CDT | Flash Flood Watch | EAX | 36 hr |
| Aug 27, 3:35 PM CDT | River Flood Warning | EAX | 3 days |
| Aug 29, 3:03 AM CDT | Dense Fog Advisory | EAX | 6 hr |
| Sep 6, 9:14 PM CDT | Dense Fog Advisory | EAX | 13 hr |
| Sep 10, 9:14 PM CDT | Dense Fog Advisory | EAX | 12 hr |
| Sep 21, 4:13 AM CDT | Dense Fog Advisory | EAX | 5 hr |
| Oct 9, 3:58 PM CDT | Frost Advisory | EAX | 17 hr |
| Oct 10, 4:01 AM CDT | Freeze Warning | EAX | 24 hr |
| Oct 17, 3:37 AM CDT | Frost Advisory | EAX | 29 hr |
| Oct 23, 3:21 AM CDT | River Flood Warning | EAX | 62 hr |
| Oct 23, 3:56 AM CDT | River Flood Warning | EAX | 17 hr |
| Oct 29, 10:38 AM CDT | Flash Flood Watch | EAX | 16 hr |
| Oct 29, 3:39 PM CDT | Areal Flood Warning | EAX | 51 hr |
| Oct 29, 3:47 PM CDT | River Flood Warning | EAX | 38 hr |
| Oct 29, 3:47 PM CDT | River Flood Warning | EAX | 3 days |
| Nov 17, 3:27 AM CST | River Flood Warning | EAX | 37 hr |
| Nov 17, 6:11 AM CST | River Flood Warning | EAX | 4 days |
| Nov 17, 8:33 AM CST | Areal Flood Warning | EAX | 35 hr |
| Nov 19, 7:02 AM CST | River Flood Warning | EAX | 48 hr |
| Dec 7, 3:29 PM CST | Winter Weather Advisory | EAX | 39 hr |
| Dec 8, 11:22 AM CST | Mesoscale Discussion | SPC | 5 hr |
| Dec 9, 5:48 AM CST | Wind Advisory | EAX | 6 hr |
| Dec 23, 3:37 AM CST | Winter Storm Watch | EAX | 25 hr |
| Dec 23, 3:58 PM CST | Winter Storm Warning | EAX | 42 hr |
| Dec 25, 9:42 AM CST | Winter Weather Advisory | EAX | 18 hr |
| Dec 25, 10:55 AM CST | River Flood Warning | EAX | 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 | 9 |
| Tornado Watch | 6 |
| Mesoscale Discussion | 41 |
| Special Weather Statement | 6 |
| Flooding | |
| Areal Flood Warning | 9 |
| Flash Flood Warning | 3 |
| River Flood Warning | 41 |
| Flash Flood Watch | 12 |
| Flood Watch | 1 |
| Areal Flood Advisory | 10 |
| Winter | |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 2 |
| Winter Weather Advisory | 4 |
| Heat | |
| Excessive Heat Warning | 1 |
| Heat Advisory | 3 |
| Cold | |
| Freeze Warning | 3 |
| Frost Advisory | 6 |
| Wind Chill Advisory | 1 |
| Wind and dust | |
| Wind Advisory | 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 archive20082010
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.