Alert archive / Missouri / Clinton County
Weather alerts in Clinton County, Missouri, 2009
157 weather alerts in 2009, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Clinton County and its neighbors
Each county as a circle sized by its count in 2009. Tap one for its archive.
- Alerts
- 157
- Warnings
- 37
- Watches
- 32
- Advisories
- 26
- Busiest month
- June36 alerts
- Busiest day
- May 15, 200914 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
1 of 2 tornado warnings covering Clinton County in 2009 had a tornado report inside them; 1 of 1 tornado reports fell inside a warning, on average 18 minutes after it went out.
Clinton County, 2009
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 2 | 1 | 50% | 1 | 100% | 18 min |
| Severe thunderstorm warnings | 14 | 9 | 36% | 9 | 67% | 16 min |
| Flash flood warnings | 8 | 7 | 13% | 2 | 100% | 76 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 |
| Jan 31, 1:56 PM CST | Red Flag Warning | EAX | 4 hr |
| Feb 8, 3:21 PM CST | Wind Advisory | EAX | 28 hr |
| Feb 9, 8:43 AM CST | Mesoscale Discussion | SPC | 32 min |
| Feb 9, 8:49 AM CST | Severe Thunderstorm Watch | SPC | 2 hr |
| Feb 9, 10:28 AM CST | Mesoscale Discussion | SPC | 62 min |
| 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 |
| Feb 27, 6:22 PM CST | Mesoscale Discussion | SPC | 4 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, 11:48 PM CST | Areal Flood Advisory | EAX | 3 hr |
| Mar 8, 12:43 AM CST | Mesoscale Discussion | SPC | 92 min |
| Mar 8, 12:49 AM CST | Areal Flood Advisory | EAX | 51 min |
| Mar 8, 4:08 AM CDT | Areal Flood Advisory | EAX | 3 hr |
| Mar 8, 10:53 AM CDT | Areal Flood Warning | EAX | 24 hr |
| Mar 9, 3:34 AM CDT | Flash Flood Watch | EAX | 27 hr |
| Mar 22, 3:47 PM CDT | Wind Advisory | EAX | 31 hr |
| Mar 23, 4:01 PM CDT | Flash Flood Watch | EAX | 21 hr |
| Mar 23, 5:08 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Mar 23, 11:09 PM CDT | Mesoscale Discussion | SPC | 66 min |
| Mar 23, 11:35 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Mar 23, 11:43 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Mar 24, 2:28 AM CDT | Mesoscale Discussion | SPC | 2 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 |
| Apr 4, 6:20 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Apr 5, 12:22 PM CDT | Wind Advisory | EAX | 7 hr |
| 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, 5:48 PM CDT | Special Weather Statement | EAX | 42 min |
| Apr 25, 5:53 PM CDT | Severe Thunderstorm Warning | EAX | 32 min |
| Apr 25, 6:15 PM CDT | Special Weather Statement | EAX | 30 min |
| Apr 25, 6:24 PM CDT | Flash Flood Warning | EAX | 6 hr |
| Apr 25, 7:17 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Apr 25, 8:43 PM CDT | Special Weather Statement | EAX | 32 min |
| Apr 25, 8:48 PM CDT | Severe Thunderstorm Warning | EAX | 42 min |
| Apr 25, 8:59 PM CDT | Tornado Warning | EAX | 31 min |
| Apr 25, 9:23 PM CDT | Mesoscale Discussion | SPC | 67 min |
| Apr 25, 10:05 PM CDT | Tornado Warning | EAX | 22 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, 5:02 PM CDT | Tornado Watch | SPC | 6 hr |
| Apr 26, 6:14 PM CDT | Mesoscale Discussion | SPC | 61 min |
| Apr 26, 8:21 PM CDT | Mesoscale Discussion | SPC | 54 min |
| Apr 27, 9:38 AM CDT | Areal Flood Warning | EAX | 23 hr |
| Apr 29, 4:17 AM CDT | Flash Flood Watch | EAX | 24 hr |
| May 7, 1:12 PM CDT | Mesoscale Discussion | SPC | 93 min |
| 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 12, 1:22 PM CDT | Mesoscale Discussion | SPC | 53 min |
| May 13, 1:52 PM CDT | Mesoscale Discussion | SPC | 23 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, 7:14 AM CDT | Mesoscale Discussion | SPC | 91 min |
| May 15, 7:42 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 15, 9:59 AM CDT | Areal Flood Advisory | EAX | 6 hr |
| May 15, 11:48 AM CDT | Mesoscale Discussion | SPC | 57 min |
| May 15, 12:32 PM CDT | Severe Thunderstorm Warning | EAX | 28 min |
| May 15, 12:50 PM CDT | Tornado Watch | SPC | 7 hr |
| May 15, 12:59 PM CDT | Severe Thunderstorm Warning | EAX | 31 min |
| May 15, 1:02 PM CDT | Flash Flood Warning | EAX | 4 hr |
| May 15, 1:19 PM CDT | Severe Thunderstorm Warning | EAX | 26 min |
| May 15, 1:27 PM CDT | Severe Thunderstorm Warning | EAX | 33 min |
| May 15, 1:42 PM CDT | Severe Thunderstorm Warning | EAX | 33 min |
| May 15, 3:43 PM CDT | Mesoscale Discussion | SPC | 62 min |
| May 15, 4:55 PM CDT | Flash Flood Warning | EAX | 5 hr |
| May 15, 9:49 PM CDT | Areal Flood Warning | EAX | 40 hr |
| Jun 2, 3:48 AM CDT | Flash Flood Watch | EAX | 14 hr |
| Jun 6, 2:22 AM CDT | Mesoscale Discussion | SPC | 23 min |
| 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, 3:45 PM CDT | Tornado Watch | SPC | 7 hr |
| Jun 7, 9:48 PM CDT | Special Weather Statement | EAX | 27 min |
| Jun 7, 9:56 PM CDT | Areal Flood Advisory | EAX | 6 hr |
| Jun 7, 10:01 PM CDT | Severe Thunderstorm Warning | EAX | 29 min |
| Jun 7, 10:22 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Jun 7, 10:28 PM CDT | Areal Flood Advisory | EAX | 5 hr |
| Jun 7, 10:53 PM CDT | Tornado Watch | SPC | 5 hr |
| Jun 8, 2:30 AM CDT | Mesoscale Discussion | SPC | 60 min |
| Jun 9, 3:56 AM CDT | Flash Flood Watch | EAX | 24 hr |
| Jun 11, 12:50 AM CDT | Special Weather Statement | EAX | 40 min |
| Jun 11, 1:10 AM CDT | Severe Thunderstorm Warning | EAX | 50 min |
| Jun 11, 2:24 AM CDT | Areal Flood Advisory | EAX | 5 hr |
| Jun 12, 5:32 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Jun 15, 3:04 PM CDT | Flash Flood Watch | EAX | 18 hr |
| Jun 15, 7:33 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Jun 15, 8:14 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 15, 9:32 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Jun 15, 11:18 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Jun 16, 2:30 AM CDT | Mesoscale Discussion | SPC | 60 min |
| Jun 17, 3:09 PM CDT | Tornado Watch | SPC | 7 hr |
| Jun 17, 4:26 PM CDT | Severe Thunderstorm Warning | EAX | 49 min |
| Jun 17, 4:46 PM CDT | Severe Thunderstorm Warning | EAX | 29 min |
| Jun 17, 5:15 PM CDT | Severe Thunderstorm Warning | EAX | 30 min |
| Jun 17, 5:45 PM CDT | Severe Thunderstorm Warning | EAX | 30 min |
| Jun 17, 5:59 PM CDT | Flash Flood Warning | EAX | 4 hr |
| Jun 17, 6:42 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 19, 10:57 AM CDT | Mesoscale Discussion | SPC | 93 min |
| Jun 21, 3:43 PM CDT | Heat Advisory | EAX | 47 hr |
| Jun 22, 1:37 PM CDT | Excessive Heat Warning | EAX | 5 days |
| Jun 24, 3:36 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Jun 24, 4:33 PM CDT | Severe Thunderstorm Watch | SPC | 5 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 10, 4:29 AM CDT | Severe Thunderstorm Warning | EAX | 31 min |
| Jul 13, 3:32 PM CDT | Heat Advisory | EAX | 24 hr |
| Jul 14, 3:05 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Jul 20, 3:26 PM CDT | Flash Flood Watch | EAX | 13 hr |
| Aug 3, 2:21 AM CDT | Special Weather Statement | EAX | 24 min |
| Aug 4, 4:06 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 7, 4:01 PM CDT | Heat Advisory | EAX | 28 hr |
| Aug 9, 5:49 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Aug 9, 10:59 PM CDT | Special Weather Statement | EAX | 31 min |
| Aug 16, 8:56 AM CDT | Flash Flood Warning | EAX | 4 hr |
| Aug 16, 3:14 PM CDT | Flash Flood Watch | EAX | 23 hr |
| Aug 16, 10:14 PM CDT | Flash Flood Warning | EAX | 15 hr |
| Aug 16, 11:51 PM CDT | Flash Flood Warning | EAX | 12 hr |
| Aug 17, 12:07 AM CDT | Special Weather Statement | EAX | 23 min |
| Aug 17, 1:22 AM CDT | Mesoscale Discussion | SPC | 83 min |
| Aug 17, 9:44 AM CDT | Areal Flood Advisory | EAX | 67 hr |
| Aug 17, 10:27 AM CDT | Flash Flood Warning | EAX | 5 hr |
| Aug 17, 12:00 PM CDT | Areal Flood Warning | EAX | 33 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 |
| Sep 6, 9:14 PM CDT | Dense Fog Advisory | EAX | 13 hr |
| Sep 30, 11:44 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Oct 1, 2:26 AM CDT | Special Weather Statement | EAX | 49 min |
| Oct 2, 4:02 AM CDT | Wind Advisory | EAX | 11 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 |
| Nov 15, 2:43 PM CST | Winter Weather Advisory | EAX | 32 hr |
| Nov 17, 8:33 AM CST | Areal Flood Warning | EAX | 35 hr |
| Nov 20, 9:26 PM CST | Dense Fog Advisory | EAX | 12 hr |
| Dec 6, 4:30 AM CST | Winter Storm Watch | EAX | 35 hr |
| Dec 7, 3:29 PM CST | Winter Storm Warning | 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 9, 3:39 PM CST | Wind Chill Advisory | EAX | 17 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 24, 1:32 PM CST | Mesoscale Discussion | SPC | 4 hr |
| Dec 24, 4:26 PM CST | Blizzard Warning | EAX | 17 hr |
| Dec 24, 11:54 PM CST | Mesoscale Discussion | SPC | 4 hr |
| Dec 25, 9:42 AM CST | Winter Weather Advisory | EAX | 18 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 | 14 |
| Tornado Warning | 2 |
| Severe Thunderstorm Watch | 11 |
| Tornado Watch | 6 |
| Mesoscale Discussion | 53 |
| Special Weather Statement | 9 |
| Flooding | |
| Areal Flood Warning | 6 |
| Flash Flood Warning | 8 |
| Flash Flood Watch | 11 |
| Flood Watch | 1 |
| Areal Flood Advisory | 8 |
| Winter | |
| Blizzard Warning | 1 |
| Winter Storm Warning | 3 |
| Winter Storm Watch | 3 |
| Winter Weather Advisory | 3 |
| Heat | |
| Excessive Heat Warning | 1 |
| Heat Advisory | 3 |
| Cold | |
| Freeze Warning | 1 |
| Frost Advisory | 2 |
| Wind Chill Advisory | 2 |
| Wind and dust | |
| Wind Advisory | 6 |
| Fire | |
| Red Flag Warning | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
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.