Alert archive / Mississippi / Clarke County
Weather alerts in Clarke County, Mississippi, 2016
104 weather alerts in 2016, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Clarke County and its neighbors
Each county as a circle sized by its count in 2016. Tap one for its archive.
- Alerts
- 104
- Warnings
- 21
- Watches
- 16
- Advisories
- 13
- Busiest month
- March25 alerts
- Busiest day
- March 11, 20166 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 1 tornado warnings covering Clarke County in 2016 had a tornado report inside them.
Clarke County, 2016
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 8 | 5 | 38% | 8 | 88% | 23 min |
| Flash flood warnings | 4 | 4 | 0% | 6 | 100% | 139 min |
Each office's whole area, 2016
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Jackson, MS: tornado warnings | 75 | 28 | 63% | 87 | 89% | 20 min |
| NWS Jackson, MS: severe thunderstorm warnings | 453 | 278 | 39% | 760 | 80% | 23 min |
| NWS Jackson, MS: flash flood warnings | 140 | 91 | 35% | 282 | 88% | 186 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 21, 2:14 PM CST | Tornado Watch | SPC | 6 hr |
| Jan 21, 4:03 PM CST | Special Weather Statement | JAN | 27 min |
| Jan 21, 5:29 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Jan 21, 7:10 PM CST | Severe Thunderstorm Warning | JAN | 46 min |
| Jan 26, 12:11 PM CST | Special Weather Statement | JAN | 34 min |
| Jan 26, 1:03 PM CST | Special Weather Statement | JAN | 42 min |
| Feb 2, 1:18 PM CST | Tornado Watch | SPC | 6 hr |
| Feb 2, 5:18 PM CST | Mesoscale Discussion | SPC | 117 min |
| Feb 2, 6:52 PM CST | Tornado Watch | SPC | 8 hr |
| Feb 2, 10:23 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Feb 9, 3:08 AM CST | Wind Advisory | JAN | 15 hr |
| Feb 15, 9:30 AM CST | Tornado Watch | SPC | 8 hr |
| Feb 15, 11:50 AM CST | Mesoscale Discussion | SPC | 115 min |
| Feb 15, 1:36 PM CST | Severe Thunderstorm Warning | JAN | 19 min |
| Feb 15, 1:51 PM CST | Mesoscale Discussion | SPC | 114 min |
| Feb 15, 2:50 PM CST | Severe Thunderstorm Warning | JAN | 70 min |
| Feb 22, 3:55 PM CST | Wind Advisory | JAN | 47 hr |
| Feb 23, 1:15 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Feb 23, 2:13 PM CST | Tornado Watch | SPC | 8 hr |
| Feb 23, 5:33 PM CST | Special Weather Statement | JAN | 27 min |
| Feb 23, 5:44 PM CST | Severe Thunderstorm Warning | JAN | 43 min |
| Feb 23, 5:58 PM CST | Tornado Warning | JAN | 29 min |
| Mar 1, 1:42 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Mar 1, 4:51 PM CST | Mesoscale Discussion | SPC | 114 min |
| Mar 3, 12:54 PM CST | Special Weather Statement | JAN | 21 min |
| Mar 3, 1:13 PM CST | Mesoscale Discussion | SPC | 3 hr |
| Mar 3, 5:07 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Mar 8, 11:30 PM CST | Flash Flood Watch | JAN | 4 days |
| Mar 9, 9:54 AM CST | Wind Advisory | JAN | 6 hr |
| Mar 10, 6:06 PM CST | Special Weather Statement | JAN | 24 min |
| Mar 10, 6:43 PM CST | Flash Flood Warning | JAN | 9 hr |
| Mar 11, 2:06 AM CST | River Flood Warning | JAN | 4 days |
| Mar 11, 3:41 AM CST | Flash Flood Warning | JAN | 6 hr |
| Mar 11, 7:29 AM CST | River Flood Warning | JAN | 6 days |
| Mar 11, 9:35 AM CST | Flash Flood Warning | JAN | 9 hr |
| Mar 11, 6:13 PM CST | Areal Flood Warning | JAN | 24 hr |
| Mar 12, 10:05 PM CST | Dense Fog Advisory | JAN | 8 hr |
| Mar 17, 1:19 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Mar 17, 6:22 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Mar 20, 10:06 AM CDT | Freeze Watch | JAN | 18 hr |
| Mar 29, 1:52 PM CDT | Flash Flood Watch | JAN | 63 hr |
| Mar 31, 3:04 AM CDT | Mesoscale Discussion | SPC | 86 min |
| Mar 31, 5:11 AM CDT | Special Weather Statement | JAN | 49 min |
| Mar 31, 9:42 AM CDT | Special Weather Statement | JAN | 48 min |
| Mar 31, 2:35 PM CDT | Tornado Watch | SPC | 7 hr |
| Mar 31, 4:47 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Mar 31, 6:52 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Mar 31, 8:29 PM CDT | Flash Flood Warning | JAN | 3 hr |
| Apr 1, 12:17 AM CDT | Special Weather Statement | JAN | 43 min |
| Apr 1, 8:34 AM CDT | River Flood Warning | JAN | 50 hr |
| Apr 11, 1:05 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 11, 6:40 PM CDT | Mesoscale Discussion | SPC | 65 min |
| Apr 11, 6:52 PM CDT | Special Weather Statement | JAN | 23 min |
| Apr 11, 6:58 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Apr 11, 11:11 PM CDT | River Flood Warning | JAN | 59 hr |
| Apr 27, 1:32 PM CDT | Special Weather Statement | JAN | 43 min |
| Apr 27, 1:34 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 18, 3:10 AM CDT | Dense Fog Advisory | JAN | 6 hr |
| Jun 12, 1:17 PM CDT | Special Weather Statement | JAN | 28 min |
| Jun 14, 2:17 PM CDT | Special Weather Statement | JAN | 58 min |
| Jun 14, 3:33 PM CDT | Heat Advisory | JAN | 3 days |
| Jun 16, 11:22 AM CDT | Mesoscale Discussion | SPC | 53 min |
| Jun 17, 11:34 AM CDT | Mesoscale Discussion | SPC | 116 min |
| Jun 17, 12:37 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 17, 3:12 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Jun 17, 4:38 PM CDT | Severe Thunderstorm Warning | JAN | 82 min |
| Jul 4, 5:31 PM CDT | Special Weather Statement | JAN | 29 min |
| Jul 5, 12:45 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 5, 1:18 PM CDT | Special Weather Statement | JAN | 27 min |
| Jul 9, 4:09 PM CDT | Severe Thunderstorm Warning | JAN | 51 min |
| Jul 10, 12:24 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Jul 13, 3:36 PM CDT | Special Weather Statement | JAN | 24 min |
| Jul 13, 4:02 PM CDT | Special Weather Statement | JAN | 28 min |
| Jul 14, 4:18 PM CDT | Special Weather Statement | JAN | 27 min |
| Jul 14, 10:40 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 18, 4:02 AM CDT | Heat Advisory | JAN | 6 days |
| Jul 19, 7:01 PM CDT | Special Weather Statement | JAN | 14 min |
| Jul 20, 11:41 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 2, 2:35 PM CDT | Heat Advisory | JAN | 4 days |
| Aug 2, 4:55 PM CDT | Special Weather Statement | JAN | 35 min |
| Aug 2, 5:36 PM CDT | Special Weather Statement | JAN | 24 min |
| Aug 3, 12:18 PM CDT | Special Weather Statement | JAN | 27 min |
| Aug 4, 12:34 PM CDT | Special Weather Statement | JAN | 26 min |
| Aug 4, 1:43 PM CDT | Special Weather Statement | JAN | 32 min |
| Aug 22, 6:33 PM CDT | Special Weather Statement | JAN | 27 min |
| Sep 11, 2:25 PM CDT | Severe Thunderstorm Warning | JAN | 39 min |
| Sep 11, 3:11 PM CDT | Special Weather Statement | JAN | 34 min |
| Nov 15, 10:37 PM CST | Dense Fog Advisory | JAN | 10 hr |
| Nov 18, 4:37 AM CST | Dense Fog Advisory | JAN | 4 hr |
| Nov 19, 3:43 AM CST | Freeze Warning | JAN | 28 hr |
| Nov 19, 4:55 AM CST | Red Flag Warning | JAN | 13 hr |
| Nov 20, 4:00 AM CST | Freeze Warning | JAN | 29 hr |
| Nov 27, 1:04 PM CST | Wind Advisory | JAN | 30 hr |
| Nov 28, 2:49 PM CST | Tornado Watch | SPC | 6 hr |
| Nov 28, 6:36 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Nov 28, 8:39 PM CST | Mesoscale Discussion | SPC | 96 min |
| Nov 28, 9:34 PM CST | Severe Thunderstorm Warning | JAN | 41 min |
| Nov 29, 8:03 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Nov 29, 8:50 PM CST | Tornado Watch | SPC | 8 hr |
| Nov 30, 3:33 AM CST | Mesoscale Discussion | SPC | 87 min |
| Nov 30, 4:57 AM CST | Tornado Watch | SPC | 7 hr |
| Dec 13, 2:24 AM CST | Dense Fog Advisory | JAN | 7 hr |
| Dec 24, 5:39 PM CST | Dense Fog Advisory | JAN | 15 hr |
| Dec 29, 1:35 AM CST | Mesoscale Discussion | SPC | 115 min |
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 | 8 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 4 |
| Tornado Watch | 9 |
| Mesoscale Discussion | 28 |
| Special Weather Statement | 26 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 4 |
| River Flood Warning | 4 |
| Flash Flood Watch | 2 |
| Heat | |
| Heat Advisory | 3 |
| Cold | |
| Freeze Warning | 2 |
| Freeze Watch | 1 |
| Wind and dust | |
| Wind Advisory | 4 |
| Fire | |
| Red Flag Warning | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 6 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20152017
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.