Alert archive / Mississippi / Stone County
Weather alerts in Stone County, Mississippi, 2020
138 weather alerts in 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Stone County and its neighbors
Each county as a circle sized by its count in 2020. Tap one for its archive.
- Alerts
- 138
- Warnings
- 22
- Watches
- 21
- Advisories
- 38
- Busiest month
- April20 alerts
- Busiest day
- April 23, 20207 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 Stone County in 2020 had a tornado report inside them.
Stone County, 2020
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 3 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 10 | 5 | 50% | 2 | 100% | 45 min |
| Flash flood warnings | 1 | 0 | 100% | 0 |
Each office's whole area, 2020
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Mobile, AL: tornado warnings | 82 | 14 | 83% | 32 | 69% | 7 min |
| NWS Mobile, AL: severe thunderstorm warnings | 263 | 91 | 65% | 273 | 74% | 24 min |
| NWS Mobile, AL: flash flood warnings | 37 | 8 | 78% | 32 | 97% | 286 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 9, 2:56 PM CST | Wind Advisory | MOB | 48 hr |
| Jan 11, 7:39 AM CST | Mesoscale Discussion | SPC | 96 min |
| Jan 11, 7:57 AM CST | Tornado Watch | SPC | 9 hr |
| Jan 11, 10:06 AM CST | Severe Thunderstorm Warning | MOB | 54 min |
| Jan 11, 10:55 AM CST | Severe Thunderstorm Warning | MOB | 50 min |
| Jan 12, 1:27 AM CST | Dense Fog Advisory | MOB | 8 hr |
| Jan 12, 2:28 PM CST | Dense Fog Advisory | MOB | 22 hr |
| Jan 13, 12:03 PM CST | Dense Fog Advisory | MOB | 21 hr |
| Jan 14, 3:28 PM CST | Dense Fog Advisory | MOB | 20 hr |
| Jan 15, 3:26 PM CST | Dense Fog Advisory | MOB | 18 hr |
| Jan 23, 10:07 PM CST | Dense Fog Advisory | MOB | 8 hr |
| Jan 27, 11:20 PM CST | Dense Fog Advisory | MOB | 10 hr |
| Jan 30, 6:35 AM CST | Dense Fog Advisory | MOB | 2 hr |
| Feb 4, 3:03 PM CST | Flash Flood Watch | MOB | 45 hr |
| Feb 5, 11:16 AM CST | Mesoscale Discussion | SPC | 119 min |
| Feb 5, 11:48 PM CST | Tornado Watch | SPC | 8 hr |
| Feb 6, 5:03 AM CST | Special Weather Statement | MOB | 42 min |
| Feb 10, 4:33 PM CST | Mesoscale Discussion | SPC | 87 min |
| Feb 17, 3:19 PM CST | Dense Fog Advisory | MOB | 19 hr |
| Feb 18, 5:56 PM CST | Dense Fog Advisory | MOB | 12 hr |
| Mar 3, 12:31 PM CST | Flash Flood Watch | MOB | 45 hr |
| Mar 4, 1:19 AM CST | Mesoscale Discussion | SPC | 2 hr |
| Mar 4, 1:22 AM CST | Dense Fog Advisory | MOB | 8 hr |
| Mar 4, 1:53 AM CST | Tornado Watch | SPC | 8 hr |
| Mar 4, 1:57 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Mar 4, 5:05 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Mar 10, 12:18 PM CDT | Dense Fog Advisory | MOB | 22 hr |
| Mar 11, 1:56 PM CDT | Dense Fog Advisory | MOB | 43 hr |
| Mar 13, 12:59 PM CDT | Dense Fog Advisory | MOB | 21 hr |
| Mar 26, 1:29 AM CDT | Dense Fog Advisory | MOB | 8 hr |
| Mar 30, 11:04 AM CDT | Wind Advisory | MOB | 32 hr |
| Mar 31, 8:41 AM CDT | Severe Thunderstorm Warning | MOB | 49 min |
| Mar 31, 8:51 AM CDT | Tornado Watch | SPC | 6 hr |
| Mar 31, 9:08 AM CDT | Severe Thunderstorm Warning | MOB | 37 min |
| Apr 9, 10:54 PM CDT | Special Weather Statement | MOB | 51 min |
| Apr 11, 4:16 AM CDT | Wind Advisory | MOB | 48 hr |
| Apr 12, 4:38 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 12, 9:09 PM CDT | Severe Thunderstorm Warning | MOB | 36 min |
| Apr 12, 9:47 PM CDT | Severe Thunderstorm Warning | MOB | 43 min |
| Apr 18, 3:42 PM CDT | Wind Advisory | MOB | 34 hr |
| Apr 19, 3:56 PM CDT | Tornado Watch | SPC | 6 hr |
| Apr 19, 6:37 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Apr 19, 9:07 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Apr 19, 9:39 PM CDT | Tornado Watch | SPC | 5 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, 5:35 AM CDT | Severe Thunderstorm Warning | MOB | 40 min |
| Apr 23, 6:03 AM CDT | Severe Thunderstorm Warning | MOB | 42 min |
| Apr 23, 6:40 AM CDT | Tornado Warning | MOB | 24 min |
| Apr 23, 7:43 AM CDT | Mesoscale Discussion | SPC | 92 min |
| Apr 23, 1:37 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Apr 29, 4:54 AM CDT | Special Weather Statement | MOB | 96 min |
| Apr 29, 4:59 AM CDT | Special Weather Statement | LIX | 31 min |
| Apr 29, 6:27 AM CDT | Special Weather Statement | MOB | 63 min |
| May 5, 2:03 PM CDT | Red Flag Warning | MOB | 32 hr |
| May 8, 9:30 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 23, 6:17 PM CDT | Special Weather Statement | MOB | 43 min |
| May 27, 12:16 PM CDT | Mesoscale Discussion | SPC | 89 min |
| May 27, 12:46 PM CDT | Special Weather Statement | MOB | 44 min |
| May 27, 2:36 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Jun 2, 2:57 PM CDT | Special Weather Statement | MOB | 33 min |
| Jun 5, 4:06 PM CDT | Flash Flood Watch | MOB | 3 days |
| Jun 5, 4:17 PM CDT | Tropical Storm Warning | MOB | 60 hr |
| Jun 7, 8:58 AM CDT | Mesoscale Discussion | SPC | 62 min |
| Jun 7, 9:03 AM CDT | Tornado Watch | SPC | 8 hr |
| Jun 7, 11:25 AM CDT | Wind Advisory | MOB | 26 hr |
| Jun 7, 7:52 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Jun 8, 5:04 AM CDT | Areal Flood Warning | MOB | 12 hr |
| Jun 24, 6:08 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 24, 10:19 AM CDT | Special Weather Statement | MOB | 41 min |
| Jun 24, 10:27 AM CDT | Tornado Warning | MOB | 48 min |
| Jun 24, 12:58 PM CDT | Severe Thunderstorm Warning | MOB | 62 min |
| Jun 24, 1:10 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 25, 5:38 PM CDT | Special Weather Statement | MOB | 67 min |
| Jun 29, 4:46 PM CDT | Special Weather Statement | MOB | 29 min |
| Jul 1, 1:55 PM CDT | Special Weather Statement | MOB | 95 min |
| Jul 4, 2:47 PM CDT | Special Weather Statement | LIX | 28 min |
| Jul 8, 4:16 PM CDT | Areal Flood Advisory | MOB | 59 min |
| Jul 9, 9:16 PM CDT | Heat Advisory | MOB | 17 hr |
| Jul 10, 3:16 PM CDT | Heat Advisory | MOB | 27 hr |
| Jul 11, 2:30 PM CDT | Heat Advisory | MOB | 28 hr |
| Jul 12, 2:51 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Jul 12, 3:26 PM CDT | Heat Advisory | MOB | 28 hr |
| Jul 12, 7:59 PM CDT | Special Weather Statement | MOB | 61 min |
| Jul 13, 2:29 PM CDT | Heat Advisory | MOB | 29 hr |
| Jul 14, 1:17 PM CDT | Special Weather Statement | MOB | 43 min |
| Jul 15, 12:24 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Jul 15, 3:42 PM CDT | Severe Thunderstorm Warning | MOB | 48 min |
| Jul 25, 11:38 AM CDT | Areal Flood Advisory | MOB | 3 hr |
| Jul 30, 5:18 PM CDT | Special Weather Statement | MOB | 42 min |
| Aug 12, 4:23 PM CDT | Special Weather Statement | MOB | 52 min |
| Aug 12, 4:46 PM CDT | Special Weather Statement | MOB | 44 min |
| Aug 14, 2:47 PM CDT | Special Weather Statement | MOB | 58 min |
| Aug 14, 3:23 PM CDT | Special Weather Statement | MOB | 52 min |
| Aug 14, 3:31 PM CDT | Special Weather Statement | LIX | 29 min |
| Aug 16, 8:28 PM CDT | Special Weather Statement | MOB | 62 min |
| Aug 19, 5:21 PM CDT | Special Weather Statement | MOB | 24 min |
| Aug 22, 3:51 PM CDT | Tropical Storm Watch | MOB | 37 hr |
| Aug 23, 2:52 PM CDT | Flash Flood Watch | MOB | 36 hr |
| Aug 27, 2:41 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Sep 1, 11:12 AM CDT | Heat Advisory | MOB | 7 hr |
| Sep 5, 4:28 AM CDT | Heat Advisory | MOB | 14 hr |
| Sep 12, 4:00 PM CDT | Flash Flood Watch | MOB | 4 days |
| Sep 12, 4:16 PM CDT | Tropical Storm Watch | MOB | 66 hr |
| Sep 13, 4:27 AM CDT | Tropical Storm Warning | MOB | 4 days |
| Sep 13, 4:46 AM CDT | Hurricane Warning | MOB | 3 days |
| Sep 16, 1:35 PM CDT | Wind Advisory | MOB | 10 hr |
| Sep 27, 4:17 AM CDT | Dense Fog Advisory | MOB | 5 hr |
| Sep 28, 2:45 PM CDT | Special Weather Statement | MOB | 60 min |
| Oct 9, 4:31 AM CDT | Wind Advisory | MOB | 29 hr |
| Oct 10, 2:23 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 26, 4:26 PM CDT | Tropical Storm Watch | MOB | 14 hr |
| Oct 27, 4:44 AM CDT | Tropical Storm Warning | MOB | 50 hr |
| Oct 27, 2:29 PM CDT | Flash Flood Watch | MOB | 34 hr |
| Oct 28, 1:12 AM CDT | Tornado Warning | MOB | 18 min |
| Oct 28, 10:36 AM CDT | Hurricane Warning | MOB | 15 hr |
| Oct 28, 11:26 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Oct 28, 1:03 PM CDT | Tornado Watch | SPC | 11 hr |
| Oct 28, 8:43 PM CDT | Flash Flood Warning | MOB | 5 hr |
| Nov 25, 12:44 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Nov 25, 1:49 PM CST | Special Weather Statement | MOB | 41 min |
| Nov 25, 2:18 PM CST | Special Weather Statement | MOB | 42 min |
| Nov 25, 2:41 PM CST | Special Weather Statement | MOB | 49 min |
| Nov 26, 5:20 PM CST | Dense Fog Advisory | MOB | 15 hr |
| Nov 26, 6:35 PM CST | Special Weather Statement | LIX | 55 min |
| Nov 27, 4:37 PM CST | Mesoscale Discussion | SPC | 113 min |
| Nov 29, 2:32 AM CST | Freeze Watch | MOB | 21 hr |
| Nov 29, 11:09 PM CST | Freeze Warning | MOB | 33 hr |
| Nov 30, 1:37 AM CST | Wind Advisory | MOB | 15 hr |
| Dec 3, 11:41 PM CST | Mesoscale Discussion | SPC | 94 min |
| Dec 10, 1:13 AM CST | Dense Fog Advisory | MOB | 9 hr |
| Dec 10, 2:42 PM CST | Dense Fog Advisory | MOB | 19 hr |
| Dec 12, 9:41 PM CST | Dense Fog Advisory | MOB | 11 hr |
| Dec 13, 6:26 PM CST | Mesoscale Discussion | SPC | 94 min |
| Dec 13, 10:44 PM CST | Special Weather Statement | MOB | 76 min |
| Dec 23, 1:53 PM CST | Wind Advisory | MOB | 27 hr |
| Dec 24, 1:02 AM CST | Mesoscale Discussion | SPC | 58 min |
| Dec 24, 1:42 AM CST | Tornado Watch | SPC | 7 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 | 10 |
| Tornado Warning | 3 |
| Tornado Watch | 11 |
| Mesoscale Discussion | 28 |
| Special Weather Statement | 29 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 1 |
| Flash Flood Watch | 6 |
| Areal Flood Advisory | 2 |
| Heat | |
| Heat Advisory | 7 |
| Cold | |
| Freeze Warning | 1 |
| Freeze Watch | 1 |
| Wind and dust | |
| Wind Advisory | 9 |
| Fire | |
| Red Flag Warning | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 20 |
| Tropical | |
| Hurricane Warning | 2 |
| Tropical Storm Warning | 3 |
| Tropical Storm Watch | 3 |
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.