Alert archive / Mississippi / Hancock County
Weather alerts in Hancock County, Mississippi, 2020
129 weather alerts in 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Hancock County and its neighbors
Each county as a circle sized by its count in 2020. Tap one for its archive.
- Alerts
- 129
- Warnings
- 29
- Watches
- 9
- Advisories
- 10
- Busiest month
- July28 alerts
- Busiest day
- April 20, 20206 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 3 tornado warnings covering Hancock County in 2020 had a tornado report inside them; 0 of 1 tornado reports fell inside a warning.
Hancock County, 2020
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 3 | 1 | 67% | 1 | 0% | |
| Severe thunderstorm warnings | 14 | 1 | 93% | 1 | 0% | |
| Flash flood warnings | 3 | 0 | 100% | 0 |
Each office's whole area, 2020
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS New Orleans, LA: tornado warnings | 99 | 10 | 90% | 37 | 49% | 10 min |
| NWS New Orleans, LA: severe thunderstorm warnings | 133 | 30 | 77% | 123 | 49% | 17 min |
| NWS New Orleans, LA: flash flood warnings | 30 | 11 | 63% | 27 | 70% | 77 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 11, 5:18 AM CST | Tornado Watch | SPC | 7 hr |
| Jan 11, 7:39 AM CST | Mesoscale Discussion | SPC | 96 min |
| Jan 11, 9:52 AM CST | Special Weather Statement | LIX | 68 min |
| Feb 5, 8:28 AM CST | River Flood Warning | LIX | 47 days |
| Feb 5, 10:38 AM CST | Special Weather Statement | LIX | 52 min |
| Feb 5, 11:16 AM CST | Mesoscale Discussion | SPC | 119 min |
| Feb 5, 1:41 PM CST | Severe Thunderstorm Warning | LIX | 18 min |
| Feb 6, 4:20 AM CST | Special Weather Statement | LIX | 40 min |
| Feb 6, 6:20 AM CST | Special Weather Statement | LIX | 55 min |
| Mar 4, 1:57 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Mar 4, 5:05 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Apr 9, 10:46 PM CDT | Special Weather Statement | LIX | 59 min |
| Apr 9, 11:23 PM CDT | Severe Thunderstorm Warning | LIX | 37 min |
| Apr 9, 11:49 PM CDT | Special Weather Statement | LIX | 56 min |
| Apr 12, 1:02 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Apr 12, 1:24 PM CDT | Tornado Watch | SPC | 9 hr |
| Apr 12, 8:56 PM CDT | Special Weather Statement | LIX | 64 min |
| Apr 12, 9:08 PM CDT | Severe Thunderstorm Warning | LIX | 31 min |
| Apr 14, 10:17 AM CDT | River Flood Warning | LIX | 23 days |
| Apr 18, 11:26 AM CDT | River Flood Warning | LIX | 21 days |
| Apr 18, 8:56 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 19, 2:39 PM CDT | Tornado Watch | SPC | 9 hr |
| Apr 19, 9:07 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Apr 19, 9:39 PM CDT | Tornado Watch | SPC | 5 hr |
| Apr 19, 9:50 PM CDT | Tornado Warning | LIX | 25 min |
| Apr 19, 10:12 PM CDT | Severe Thunderstorm Warning | LIX | 33 min |
| Apr 19, 10:41 PM CDT | Severe Thunderstorm Warning | LIX | 34 min |
| Apr 19, 10:56 PM CDT | Severe Thunderstorm Warning | LIX | 34 min |
| Apr 22, 9:47 PM CDT | Tornado Watch | SPC | 9 hr |
| Apr 23, 2:28 AM CDT | Mesoscale Discussion | SPC | 92 min |
| Apr 23, 4:05 AM CDT | Tornado Watch | SPC | 11 hr |
| Apr 23, 5:10 AM CDT | Severe Thunderstorm Warning | LIX | 35 min |
| Apr 28, 5:38 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 28, 9:35 PM CDT | Severe Thunderstorm Warning | LIX | 55 min |
| Apr 29, 6:28 AM CDT | Special Weather Statement | LIX | 47 min |
| Apr 29, 7:26 AM CDT | Special Weather Statement | LIX | 49 min |
| May 6, 10:26 AM CDT | Red Flag Warning | LIX | 9 hr |
| May 8, 9:30 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 20, 2:39 PM CDT | Special Weather Statement | LIX | 51 min |
| May 22, 1:56 PM CDT | Special Weather Statement | LIX | 34 min |
| May 22, 2:29 PM CDT | Special Weather Statement | LIX | 31 min |
| May 26, 1:24 PM CDT | Special Weather Statement | LIX | 51 min |
| May 27, 12:16 PM CDT | Mesoscale Discussion | SPC | 89 min |
| May 27, 2:36 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Jun 6, 11:06 AM CDT | River Flood Warning | LIX | 6 days |
| Jun 6, 11:06 AM CDT | River Flood Warning | LIX | 21 days |
| Jun 7, 8:58 AM CDT | Mesoscale Discussion | SPC | 62 min |
| Jun 7, 9:03 AM CDT | Tornado Watch | SPC | 8 hr |
| Jun 7, 4:27 PM CDT | Flash Flood Warning | LIX | 3 hr |
| Jun 7, 7:24 PM CDT | Flash Flood Warning | LIX | 3 hr |
| Jun 7, 7:52 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Jun 7, 9:40 PM CDT | River Flood Warning | LIX | 9 hr |
| Jun 8, 9:10 AM CDT | Areal Flood Advisory | LIX | 3 hr |
| Jun 9, 12:49 PM CDT | Special Weather Statement | LIX | 26 min |
| Jun 10, 8:05 AM CDT | Special Weather Statement | LIX | 55 min |
| Jun 22, 4:04 AM CDT | Special Weather Statement | LIX | 26 min |
| Jun 23, 11:08 AM CDT | Special Weather Statement | LIX | 37 min |
| Jun 23, 11:33 AM CDT | Areal Flood Advisory | LIX | 3 hr |
| Jun 23, 6:19 PM CDT | Special Weather Statement | LIX | 56 min |
| Jun 24, 6:08 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 24, 8:58 AM CDT | Severe Thunderstorm Warning | LIX | 32 min |
| Jun 25, 3:43 PM CDT | Mesoscale Discussion | SPC | 62 min |
| Jul 1, 4:26 PM CDT | Special Weather Statement | LIX | 34 min |
| Jul 1, 5:44 PM CDT | Special Weather Statement | LIX | 46 min |
| Jul 1, 6:10 PM CDT | Special Weather Statement | LIX | 50 min |
| Jul 2, 2:14 PM CDT | Special Weather Statement | LIX | 31 min |
| Jul 2, 2:58 PM CDT | Special Weather Statement | LIX | 47 min |
| Jul 2, 3:52 PM CDT | Areal Flood Advisory | LIX | 2 hr |
| Jul 4, 12:22 PM CDT | Special Weather Statement | LIX | 23 min |
| Jul 4, 1:50 PM CDT | Areal Flood Advisory | LIX | 115 min |
| Jul 4, 3:13 PM CDT | Special Weather Statement | LIX | 32 min |
| Jul 4, 3:42 PM CDT | Areal Flood Advisory | LIX | 62 min |
| Jul 7, 9:48 AM CDT | Special Weather Statement | LIX | 27 min |
| Jul 7, 1:44 PM CDT | Special Weather Statement | LIX | 46 min |
| Jul 8, 4:17 PM CDT | Special Weather Statement | LIX | 88 min |
| Jul 13, 6:25 AM CDT | Special Weather Statement | LIX | 35 min |
| Jul 13, 6:56 AM CDT | Flash Flood Warning | LIX | 2 hr |
| Jul 15, 12:24 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Jul 15, 6:26 PM CDT | Special Weather Statement | LIX | 64 min |
| Jul 24, 10:33 AM CDT | Special Weather Statement | LIX | 57 min |
| Jul 24, 11:40 AM CDT | Special Weather Statement | LIX | 50 min |
| Jul 26, 10:33 AM CDT | Areal Flood Advisory | LIX | 3 hr |
| Jul 26, 11:43 AM CDT | Special Weather Statement | LIX | 32 min |
| Jul 26, 12:41 PM CDT | Special Weather Statement | LIX | 34 min |
| Jul 26, 1:09 PM CDT | Special Weather Statement | LIX | 66 min |
| Jul 26, 2:32 PM CDT | Special Weather Statement | LIX | 28 min |
| Jul 27, 8:38 AM CDT | Special Weather Statement | LIX | 37 min |
| Jul 27, 9:14 AM CDT | Areal Flood Advisory | LIX | 3 hr |
| Jul 27, 9:56 AM CDT | Areal Flood Advisory | LIX | 57 min |
| Jul 28, 12:13 PM CDT | Special Weather Statement | LIX | 17 min |
| Aug 13, 2:41 PM CDT | Areal Flood Advisory | LIX | 64 min |
| Aug 14, 3:19 PM CDT | Special Weather Statement | LIX | 41 min |
| Aug 14, 3:52 PM CDT | Special Weather Statement | LIX | 38 min |
| Aug 15, 12:50 PM CDT | Severe Thunderstorm Warning | LIX | 25 min |
| Aug 15, 12:57 PM CDT | Severe Thunderstorm Warning | LIX | 33 min |
| Aug 15, 1:14 PM CDT | Special Weather Statement | LIX | 31 min |
| Aug 15, 1:25 PM CDT | Special Weather Statement | LIX | 20 min |
| Aug 15, 2:23 PM CDT | Severe Thunderstorm Warning | LIX | 37 min |
| Aug 16, 8:45 PM CDT | Severe Thunderstorm Warning | LIX | 45 min |
| Aug 16, 8:59 PM CDT | Special Weather Statement | LIX | 31 min |
| Aug 16, 9:11 PM CDT | Severe Thunderstorm Warning | LIX | 34 min |
| Aug 17, 4:59 AM CDT | Special Weather Statement | LIX | 31 min |
| Aug 18, 5:42 PM CDT | Special Weather Statement | LIX | 33 min |
| Aug 20, 2:30 PM CDT | Special Weather Statement | LIX | 45 min |
| Aug 25, 2:01 AM CDT | Special Weather Statement | LIX | 59 min |
| Aug 25, 2:44 AM CDT | Tornado Warning | LIX | 12 min |
| Aug 25, 3:12 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 27, 2:41 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Aug 29, 1:51 PM CDT | Special Weather Statement | LIX | 24 min |
| Sep 5, 6:09 PM CDT | Special Weather Statement | LIX | 2 hr |
| Sep 13, 8:21 PM CDT | Special Weather Statement | LIX | 54 min |
| Sep 13, 9:18 PM CDT | Special Weather Statement | LIX | 27 min |
| Sep 13, 9:38 PM CDT | River Flood Warning | LIX | 53 hr |
| Sep 28, 2:59 PM CDT | Special Weather Statement | LIX | 61 min |
| Oct 27, 9:50 AM CDT | River Flood Warning | LIX | 45 hr |
| Oct 27, 4:48 PM CDT | Areal Flood Advisory | LIX | 3 hr |
| Oct 28, 11:26 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Oct 28, 1:03 PM CDT | Tornado Watch | SPC | 11 hr |
| Nov 25, 12:44 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Nov 26, 6:54 PM CST | Special Weather Statement | LIX | 36 min |
| Nov 27, 1:00 PM CST | Mesoscale Discussion | SPC | 3 hr |
| Nov 27, 4:37 PM CST | Mesoscale Discussion | SPC | 113 min |
| Nov 27, 4:50 PM CST | Tornado Warning | LIX | 25 min |
| Dec 3, 11:41 PM CST | Mesoscale Discussion | SPC | 94 min |
| Dec 13, 6:26 PM CST | Mesoscale Discussion | SPC | 94 min |
| Dec 13, 10:42 PM CST | Special Weather Statement | LIX | 63 min |
| Dec 24, 1:02 AM CST | Mesoscale Discussion | SPC | 58 min |
| Dec 24, 1:42 AM CST | Tornado Watch | SPC | 7 hr |
| Dec 31, 3:30 PM 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 | 14 |
| Tornado Warning | 3 |
| Tornado Watch | 9 |
| Mesoscale Discussion | 27 |
| Special Weather Statement | 54 |
| Flooding | |
| Flash Flood Warning | 3 |
| River Flood Warning | 8 |
| Areal Flood Advisory | 10 |
| Fire | |
| Red Flag Warning | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20192021
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.