Alert archive / Mississippi / Lauderdale County
Weather alerts in Lauderdale County, Mississippi, 2021
102 weather alerts in 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Lauderdale County and its neighbors
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Alerts
- 102
- Warnings
- 33
- Watches
- 18
- Advisories
- 15
- Busiest month
- March24 alerts
- Busiest day
- March 25, 20219 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 3 tornado warnings covering Lauderdale County in 2021 had a tornado report inside them; 0 of 1 tornado reports fell inside a warning.
Lauderdale County, 2021
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 3 | 0 | 100% | 1 | 0% | |
| Severe thunderstorm warnings | 15 | 9 | 40% | 24 | 92% | 24 min |
| Flash flood warnings | 7 | 4 | 43% | 8 | 75% | 58 min |
Each office's whole area, 2021
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Jackson, MS: tornado warnings | 62 | 22 | 65% | 76 | 61% | 21 min |
| NWS Jackson, MS: severe thunderstorm warnings | 296 | 169 | 43% | 530 | 86% | 28 min |
| NWS Jackson, MS: flash flood warnings | 110 | 66 | 40% | 199 | 83% | 83 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 10, 3:52 AM CST | Winter Weather Advisory | JAN | 32 hr |
| Jan 13, 6:15 AM CST | Winter Weather Advisory | JAN | 6 hr |
| Jan 25, 11:12 PM CST | Severe Thunderstorm Warning | JAN | 63 min |
| Jan 25, 11:40 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Feb 13, 3:13 PM CST | Winter Storm Warning | JAN | 48 hr |
| Feb 14, 9:09 PM CST | Hard Freeze Warning | JAN | 63 hr |
| Feb 14, 9:41 PM CST | Wind Chill Advisory | JAN | 35 hr |
| Feb 15, 3:09 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 15, 9:28 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 16, 8:39 AM CST | Winter Weather Advisory | JAN | 3 hr |
| Feb 16, 2:50 PM CST | Winter Storm Warning | JAN | 39 hr |
| Feb 16, 2:50 PM CST | Winter Weather Advisory | JAN | 39 hr |
| Feb 17, 10:53 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Mar 16, 11:49 AM CDT | Flash Flood Watch | JAN | 7 hr |
| Mar 16, 9:50 PM CDT | Special Weather Statement | JAN | 25 min |
| Mar 17, 10:56 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 17, 11:36 AM CDT | Tornado Watch | SPC | 7 hr |
| Mar 17, 12:22 PM CDT | Tornado Warning | JAN | 54 min |
| Mar 17, 1:00 PM CDT | Severe Thunderstorm Warning | JAN | 45 min |
| Mar 17, 5:49 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Mar 17, 6:48 PM CDT | Tornado Watch | SPC | 8 hr |
| Mar 24, 12:10 PM CDT | Wind Advisory | JAN | 26 hr |
| Mar 25, 2:06 AM CDT | Special Weather Statement | JAN | 24 min |
| Mar 25, 10:12 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Mar 25, 11:26 AM CDT | Tornado Watch | SPC | 9 hr |
| Mar 25, 1:24 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 25, 1:54 PM CDT | Severe Thunderstorm Warning | JAN | 81 min |
| Mar 25, 2:29 PM CDT | Tornado Warning | JAN | 61 min |
| Mar 25, 3:09 PM CDT | Severe Thunderstorm Warning | JAN | 36 min |
| Mar 25, 3:18 PM CDT | Tornado Warning | JAN | 27 min |
| Mar 25, 3:45 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 25, 8:20 PM CDT | Flash Flood Warning | JAN | 3 hr |
| Mar 31, 10:49 AM CDT | Severe Thunderstorm Warning | JAN | 26 min |
| Mar 31, 11:00 AM CDT | Special Weather Statement | JAN | 60 min |
| Mar 31, 11:15 AM CDT | Severe Thunderstorm Warning | JAN | 30 min |
| Mar 31, 11:19 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Mar 31, 2:26 PM CDT | Freeze Watch | JAN | 20 hr |
| Apr 1, 10:41 AM CDT | Freeze Warning | JAN | 22 hr |
| Apr 2, 9:51 AM CDT | Freeze Warning | JAN | 22 hr |
| Apr 9, 11:44 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 9, 3:42 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 9, 5:54 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Apr 9, 5:58 PM CDT | Severe Thunderstorm Warning | JAN | 47 min |
| Apr 9, 10:25 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 10, 12:29 AM CDT | Special Weather Statement | JAN | 31 min |
| Apr 10, 1:09 AM CDT | Flash Flood Warning | JAN | 3 hr |
| Apr 23, 3:22 PM CDT | Flash Flood Watch | JAN | 14 hr |
| Apr 24, 12:29 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 2, 4:46 PM CDT | Tornado Watch | SPC | 5 hr |
| May 3, 11:47 AM CDT | Severe Thunderstorm Watch | SPC | 10 hr |
| May 3, 4:00 PM CDT | Mesoscale Discussion | SPC | 90 min |
| May 4, 3:50 AM CDT | Flash Flood Watch | JAN | 18 hr |
| May 4, 8:33 AM CDT | Mesoscale Discussion | SPC | 117 min |
| May 4, 9:18 AM CDT | Tornado Watch | SPC | 7 hr |
| May 4, 2:17 PM CDT | Mesoscale Discussion | SPC | 88 min |
| May 4, 3:31 PM CDT | Tornado Watch | SPC | 6 hr |
| May 4, 3:36 PM CDT | Severe Thunderstorm Warning | JAN | 54 min |
| May 18, 4:17 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Jun 2, 2:34 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Jun 13, 10:45 AM CDT | Mesoscale Discussion | SPC | 60 min |
| Jun 13, 12:22 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 13, 1:25 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 13, 2:57 PM CDT | Severe Thunderstorm Warning | JAN | 63 min |
| Jun 13, 3:38 PM CDT | Severe Thunderstorm Warning | JAN | 67 min |
| Jun 17, 2:13 PM CDT | Flash Flood Watch | JAN | 43 hr |
| Jun 21, 4:31 PM CDT | Special Weather Statement | JAN | 44 min |
| Jul 17, 12:17 PM CDT | Special Weather Statement | JAN | 43 min |
| Jul 19, 4:44 AM CDT | Special Weather Statement | JAN | 61 min |
| Jul 19, 5:07 AM CDT | Flash Flood Warning | JAN | 3 hr |
| Jul 19, 7:15 AM CDT | Special Weather Statement | JAN | 45 min |
| Jul 23, 2:40 PM CDT | Heat Advisory | JAN | 28 hr |
| Jul 24, 1:02 PM CDT | Special Weather Statement | JAN | 28 min |
| Jul 24, 2:55 PM CDT | Heat Advisory | JAN | 28 hr |
| Jul 27, 2:54 PM CDT | Heat Advisory | JAN | 5 days |
| Jul 27, 8:58 PM CDT | Flash Flood Warning | JAN | 2 hr |
| Aug 1, 12:09 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 1, 8:27 PM CDT | Severe Thunderstorm Warning | JAN | 48 min |
| Aug 28, 3:36 AM CDT | Flash Flood Watch | JAN | 66 hr |
| Aug 28, 10:00 AM CDT | Tropical Storm Warning | JAN | 54 hr |
| Aug 29, 12:56 PM CDT | Special Weather Statement | JAN | 49 min |
| Aug 30, 3:13 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 30, 3:17 PM CDT | Flash Flood Warning | JAN | 118 min |
| Aug 30, 5:01 PM CDT | Flash Flood Warning | JAN | 3 hr |
| Aug 30, 8:26 PM CDT | Areal Flood Warning | JAN | 3 hr |
| Sep 1, 4:42 PM CDT | Severe Thunderstorm Warning | JAN | 48 min |
| Sep 1, 5:19 PM CDT | Severe Thunderstorm Warning | JAN | 56 min |
| Sep 1, 5:34 PM CDT | Severe Thunderstorm Warning | JAN | 34 min |
| Sep 1, 6:15 PM CDT | Severe Thunderstorm Warning | JAN | 60 min |
| Sep 1, 7:21 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Sep 28, 6:34 AM CDT | Dense Fog Advisory | JAN | 3 hr |
| Oct 5, 12:45 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 5, 10:07 PM CDT | Flash Flood Warning | JAN | 2 hr |
| Nov 11, 9:29 PM CST | Dense Fog Advisory | JAN | 12 hr |
| Nov 12, 2:59 PM CST | Freeze Watch | JAN | 12 hr |
| Nov 13, 3:17 AM CST | Freeze Warning | JAN | 29 hr |
| Dec 2, 8:58 PM CST | Dense Fog Advisory | JAN | 13 hr |
| Dec 4, 3:02 PM CST | Dense Fog Advisory | JAN | 18 hr |
| Dec 6, 10:06 AM CST | Mesoscale Discussion | SPC | 114 min |
| Dec 9, 2:43 AM CST | Dense Fog Advisory | JAN | 6 hr |
| Dec 16, 3:20 PM CST | Dense Fog Advisory | JAN | 16 hr |
| Dec 29, 2:03 PM CST | Mesoscale Discussion | SPC | 87 min |
| Dec 30, 4:02 AM CST | Mesoscale Discussion | SPC | 2 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 | 15 |
| Tornado Warning | 3 |
| Severe Thunderstorm Watch | 5 |
| Tornado Watch | 6 |
| Mesoscale Discussion | 26 |
| Special Weather Statement | 10 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 7 |
| Flash Flood Watch | 5 |
| Winter | |
| Winter Storm Warning | 2 |
| Winter Weather Advisory | 4 |
| Heat | |
| Heat Advisory | 3 |
| Cold | |
| Freeze Warning | 3 |
| Hard Freeze Warning | 1 |
| Freeze Watch | 2 |
| Wind Chill Advisory | 1 |
| Wind and dust | |
| Wind Advisory | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 6 |
| Tropical | |
| Tropical Storm Warning | 1 |
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.