Alert archive / Missouri / Mississippi County
Weather alerts in Mississippi County, Missouri, 2021
111 weather alerts in 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Mississippi County and its neighbors
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Alerts
- 111
- Warnings
- 24
- Watches
- 20
- Advisories
- 30
- Busiest month
- December20 alerts
- Busiest day
- April 28, 20217 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 1 tornado warnings covering Mississippi County in 2021 had a tornado report inside them; 0 of 1 tornado reports fell inside a warning.
Mississippi County, 2021
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 1 | 0% | 1 | 0% | |
| Severe thunderstorm warnings | 9 | 1 | 89% | 1 | 100% | 31 min |
| Flash flood warnings | 2 | 0 | 100% | 0 |
Each office's whole area, 2021
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Paducah, KY: tornado warnings | 51 | 16 | 69% | 33 | 52% | 19 min |
| NWS Paducah, KY: severe thunderstorm warnings | 123 | 42 | 66% | 144 | 49% | 17 min |
| NWS Paducah, KY: flash flood warnings | 65 | 29 | 55% | 52 | 83% | 97 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 25, 10:11 AM CST | Areal Flood Advisory | PAH | 5 hr |
| Jan 25, 10:50 AM CST | Flash Flood Watch | PAH | 6 hr |
| Jan 25, 9:24 PM CST | Dense Fog Advisory | PAH | 12 hr |
| Jan 26, 8:48 PM CST | Winter Weather Advisory | PAH | 25 hr |
| Feb 8, 2:47 PM CST | Winter Storm Watch | PAH | 24 hr |
| Feb 9, 3:10 PM CST | Ice Storm Warning | PAH | 44 hr |
| Feb 12, 2:09 PM CST | Winter Storm Watch | PAH | 37 hr |
| Feb 14, 3:00 AM CST | Winter Storm Warning | PAH | 43 hr |
| Feb 15, 5:57 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 16, 4:35 AM CST | Winter Weather Advisory | PAH | 53 hr |
| Feb 16, 3:20 PM CST | Winter Storm Watch | PAH | 13 hr |
| Feb 17, 12:07 PM CST | Winter Storm Warning | PAH | 22 hr |
| Feb 26, 1:57 PM CST | Flood Watch | PAH | 58 hr |
| Feb 28, 11:22 AM CST | River Flood Warning | PAH | 41 days |
| Mar 3, 11:01 AM CST | River Flood Warning | PAH | 4 days |
| Mar 13, 10:43 AM CST | River Flood Warning | PAH | 51 hr |
| Mar 17, 2:21 AM CDT | Flash Flood Watch | PAH | 23 hr |
| Mar 17, 11:31 AM CDT | Areal Flood Advisory | PAH | 5 hr |
| Mar 19, 11:43 AM CDT | River Flood Warning | PAH | 8 days |
| Mar 25, 2:33 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Mar 25, 3:48 PM CDT | Tornado Watch | SPC | 7 hr |
| Mar 30, 11:22 AM CDT | River Flood Warning | PAH | 9 days |
| Mar 30, 2:26 PM CDT | Freeze Watch | PAH | 22 hr |
| Mar 30, 2:26 PM CDT | Freeze Warning | PAH | 43 hr |
| Mar 31, 12:20 PM CDT | Freeze Warning | PAH | 45 hr |
| Apr 2, 2:15 PM CDT | Frost Advisory | PAH | 19 hr |
| Apr 19, 3:25 PM CDT | Freeze Warning | PAH | 42 hr |
| Apr 21, 4:00 AM CDT | Frost Advisory | PAH | 28 hr |
| Apr 25, 2:43 AM CDT | Dense Fog Advisory | PAH | 6 hr |
| Apr 27, 3:11 PM CDT | Flash Flood Watch | PAH | 45 hr |
| Apr 28, 12:33 PM CDT | Mesoscale Discussion | SPC | 57 min |
| Apr 28, 12:40 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 28, 3:29 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Apr 28, 4:29 PM CDT | Special Weather Statement | PAH | 46 min |
| Apr 28, 4:33 PM CDT | Flash Flood Warning | PAH | 95 min |
| Apr 28, 4:55 PM CDT | Areal Flood Advisory | PAH | 59 min |
| Apr 28, 5:25 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 29, 3:14 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Apr 29, 4:31 AM CDT | Special Weather Statement | PAH | 59 min |
| May 4, 1:06 AM CDT | Mesoscale Discussion | SPC | 114 min |
| May 4, 1:41 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 4, 2:02 AM CDT | Severe Thunderstorm Warning | PAH | 43 min |
| May 4, 2:22 AM CDT | Severe Thunderstorm Warning | PAH | 53 min |
| May 4, 2:50 AM CDT | Severe Thunderstorm Warning | PAH | 55 min |
| May 4, 3:10 AM CDT | Areal Flood Advisory | PAH | 3 hr |
| May 6, 10:05 AM CDT | Mesoscale Discussion | SPC | 85 min |
| May 6, 12:02 PM CDT | Mesoscale Discussion | SPC | 118 min |
| May 6, 12:38 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 6, 2:45 PM CDT | Mesoscale Discussion | SPC | 90 min |
| May 8, 2:19 PM CDT | Lake Wind Advisory | PAH | 29 hr |
| May 8, 2:19 PM CDT | Wind Advisory | PAH | 22 hr |
| May 9, 12:40 PM CDT | Special Weather Statement | PAH | 35 min |
| May 20, 10:12 AM CDT | Lake Wind Advisory | PAH | 9 hr |
| May 27, 2:20 PM CDT | Mesoscale Discussion | SPC | 85 min |
| May 27, 5:21 PM CDT | Mesoscale Discussion | SPC | 114 min |
| May 27, 7:44 PM CDT | Areal Flood Advisory | PAH | 2 hr |
| May 28, 2:27 AM CDT | Lake Wind Advisory | PAH | 18 hr |
| Jun 3, 4:16 PM CDT | Areal Flood Advisory | PAH | 119 min |
| Jun 20, 4:09 AM CDT | Lake Wind Advisory | PAH | 16 hr |
| Jun 21, 11:33 AM CDT | Flash Flood Warning | PAH | 3 hr |
| Jun 25, 3:31 AM CDT | Lake Wind Advisory | PAH | 16 hr |
| Jun 26, 3:21 AM CDT | Lake Wind Advisory | PAH | 17 hr |
| Jun 30, 12:22 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Jun 30, 3:05 PM CDT | Special Weather Statement | PAH | 25 min |
| Jul 8, 3:56 PM CDT | Severe Thunderstorm Warning | PAH | 49 min |
| Jul 8, 4:42 PM CDT | Special Weather Statement | PAH | 48 min |
| Jul 9, 5:05 PM CDT | Severe Thunderstorm Warning | PAH | 40 min |
| Jul 10, 2:21 AM CDT | Flash Flood Watch | PAH | 25 hr |
| Jul 10, 1:25 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 10, 11:24 PM CDT | Special Weather Statement | PAH | 51 min |
| Jul 16, 4:14 PM CDT | Severe Thunderstorm Warning | PAH | 18 min |
| Jul 18, 8:57 AM CDT | Areal Flood Advisory | PAH | 2 hr |
| Jul 28, 1:38 PM CDT | Heat Advisory | PAH | 30 hr |
| Jul 31, 11:00 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 8, 2:41 PM CDT | Heat Advisory | PAH | 23 hr |
| Aug 8, 5:47 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Aug 9, 1:53 PM CDT | Heat Advisory | PAH | 3 days |
| Aug 12, 7:37 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Aug 12, 9:55 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Aug 12, 11:07 PM CDT | Special Weather Statement | PAH | 68 min |
| Aug 22, 2:38 PM CDT | Heat Advisory | PAH | 6 days |
| Sep 11, 4:03 AM CDT | Lake Wind Advisory | PAH | 14 hr |
| Sep 22, 3:45 AM CDT | Lake Wind Advisory | PAH | 13 hr |
| Sep 27, 4:00 AM CDT | Lake Wind Advisory | PAH | 13 hr |
| Oct 11, 1:23 PM CDT | Special Weather Statement | PAH | 37 min |
| Oct 14, 3:46 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Oct 15, 11:14 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Oct 15, 12:28 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Oct 24, 5:44 PM CDT | Tornado Watch | SPC | 7 hr |
| Nov 2, 3:38 AM CDT | Freeze Watch | PAH | 24 hr |
| Nov 3, 3:19 AM CDT | Freeze Warning | PAH | 30 hr |
| Dec 1, 12:37 PM CST | Special Weather Statement | PAH | 23 min |
| Dec 2, 2:00 AM CST | Dense Fog Advisory | PAH | 4 hr |
| Dec 5, 5:05 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Dec 5, 8:06 PM CST | Mesoscale Discussion | SPC | 114 min |
| Dec 5, 8:59 PM CST | Tornado Watch | SPC | 7 hr |
| Dec 5, 11:28 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Dec 6, 1:51 AM CST | Special Weather Statement | PAH | 54 min |
| Dec 6, 2:45 AM CST | Special Weather Statement | PAH | 45 min |
| Dec 6, 2:47 AM CST | Mesoscale Discussion | SPC | 88 min |
| Dec 10, 1:35 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Dec 10, 3:07 PM CST | Tornado Watch | SPC | 11 hr |
| Dec 10, 4:45 PM CST | Mesoscale Discussion | SPC | 90 min |
| Dec 10, 8:29 PM CST | Tornado Warning | PAH | 61 min |
| Dec 10, 9:21 PM CST | Severe Thunderstorm Warning | PAH | 39 min |
| Dec 10, 9:26 PM CST | Severe Thunderstorm Warning | PAH | 49 min |
| Dec 10, 9:49 PM CST | Severe Thunderstorm Warning | PAH | 41 min |
| Dec 10, 10:09 PM CST | Mesoscale Discussion | SPC | 96 min |
| Dec 10, 11:03 PM CST | Tornado Watch | SPC | 5 hr |
| Dec 25, 11:55 PM CST | Dense Fog Advisory | PAH | 10 hr |
| Dec 29, 10:01 PM CST | Dense Fog Advisory | PAH | 11 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 | 9 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 5 |
| Tornado Watch | 5 |
| Mesoscale Discussion | 26 |
| Special Weather Statement | 11 |
| Flooding | |
| Flash Flood Warning | 2 |
| River Flood Warning | 5 |
| Flash Flood Watch | 4 |
| Flood Watch | 1 |
| Areal Flood Advisory | 7 |
| Winter | |
| Ice Storm Warning | 1 |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 3 |
| Winter Weather Advisory | 2 |
| Heat | |
| Heat Advisory | 4 |
| Cold | |
| Freeze Warning | 4 |
| Freeze Watch | 2 |
| Frost Advisory | 2 |
| Wind and dust | |
| Lake Wind Advisory | 9 |
| Wind Advisory | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 5 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20202022
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.