Alert archive / Mississippi / DeSoto County
Weather alerts in DeSoto County, Mississippi, 2016
149 weather alerts in 2016, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
DeSoto County and its neighbors
Each county as a circle sized by its count in 2016. Tap one for its archive.
- Alerts
- 149
- Warnings
- 58
- Watches
- 14
- Advisories
- 38
- Busiest month
- March42 alerts
- Busiest day
- March 10, 201614 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
2 of 4 tornado warnings covering DeSoto County in 2016 had a tornado report inside them; 1 of 1 tornado reports fell inside a warning, on average 0 minutes after it went out.
DeSoto County, 2016
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 4 | 2 | 50% | 1 | 100% | 0 min |
| Severe thunderstorm warnings | 18 | 8 | 56% | 4 | 75% | 17 min |
| Flash flood warnings | 20 | 7 | 65% | 5 | 60% | 159 min |
Each office's whole area, 2016
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Memphis, TN: tornado warnings | 30 | 7 | 77% | 11 | 64% | 15 min |
| NWS Memphis, TN: severe thunderstorm warnings | 225 | 76 | 66% | 179 | 64% | 23 min |
| NWS Memphis, TN: flash flood warnings | 157 | 36 | 77% | 80 | 74% | 94 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, 11:13 AM CST | River Flood Advisory | MEG | 4 days |
| Jan 17, 9:19 PM CST | River Flood Advisory | MEG | 4 days |
| Jan 19, 3:17 AM CST | Winter Weather Advisory | MEG | 31 hr |
| Jan 20, 1:33 PM CST | Winter Storm Watch | MEG | 26 hr |
| Jan 21, 4:39 AM CST | Winter Storm Warning | MEG | 40 hr |
| Jan 22, 3:58 AM CST | Mesoscale Discussion | SPC | 5 hr |
| Jan 31, 8:28 AM CST | Wind Advisory | MEG | 10 hr |
| Feb 1, 3:55 PM CST | Wind Advisory | MEG | 26 hr |
| Feb 2, 12:22 PM CST | Tornado Watch | SPC | 9 hr |
| Feb 2, 4:36 PM CST | Flash Flood Warning | MEG | 3 hr |
| Feb 2, 6:13 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Feb 8, 3:52 AM CST | Wind Advisory | MEG | 14 hr |
| Feb 15, 5:59 AM CST | Flash Flood Warning | MEG | 3 hr |
| Feb 15, 7:09 PM CST | Dense Fog Advisory | MEG | 15 hr |
| Feb 23, 3:49 AM CST | Wind Advisory | MEG | 38 hr |
| Feb 27, 8:40 PM CST | River Flood Advisory | MEG | 5 days |
| Mar 9, 3:53 AM CST | Flash Flood Watch | MEG | 24 hr |
| Mar 9, 4:45 PM CST | Flash Flood Warning | MEG | 7 hr |
| Mar 9, 7:37 PM CST | Flash Flood Warning | MEG | 7 hr |
| Mar 9, 7:46 PM CST | Flash Flood Warning | MEG | 7 hr |
| Mar 9, 11:20 PM CST | Areal Flood Warning | MEG | 8 hr |
| Mar 10, 2:58 AM CST | Areal Flood Warning | MEG | 6 hr |
| Mar 10, 3:04 AM CST | Areal Flood Warning | MEG | 6 hr |
| Mar 10, 3:40 AM CST | Flood Watch | MEG | 12 hr |
| Mar 10, 6:57 AM CST | Areal Flood Warning | MEG | 6 hr |
| Mar 10, 8:43 AM CST | Areal Flood Warning | MEG | 6 hr |
| Mar 10, 8:52 AM CST | Areal Flood Warning | MEG | 6 hr |
| Mar 10, 10:44 AM CST | Flash Flood Warning | MEG | 3 hr |
| Mar 10, 11:13 AM CST | Flash Flood Warning | MEG | 3 hr |
| Mar 10, 1:45 PM CST | Areal Flood Warning | MEG | 6 hr |
| Mar 10, 2:46 PM CST | Areal Flood Warning | MEG | 8 hr |
| Mar 10, 3:24 PM CST | Flash Flood Watch | MEG | 4 days |
| Mar 10, 7:34 PM CST | Areal Flood Warning | MEG | 6 hr |
| Mar 12, 4:09 PM CST | Flash Flood Warning | MEG | 7 hr |
| Mar 12, 11:04 PM CST | Areal Flood Warning | MEG | 10 hr |
| Mar 13, 6:41 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Mar 13, 7:11 PM CDT | Tornado Watch | SPC | 6 hr |
| Mar 13, 8:38 PM CDT | Tornado Warning | MEG | 52 min |
| Mar 13, 9:19 PM CDT | Severe Thunderstorm Warning | MEG | 41 min |
| Mar 13, 9:36 PM CDT | Tornado Warning | MEG | 25 min |
| Mar 13, 9:49 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Mar 13, 10:00 PM CDT | Severe Thunderstorm Warning | MEG | 45 min |
| Mar 13, 10:11 PM CDT | Flash Flood Warning | MEG | 3 hr |
| Mar 13, 10:57 PM CDT | Severe Thunderstorm Warning | MEG | 17 min |
| Mar 20, 3:55 AM CDT | Frost Advisory | MEG | 29 hr |
| Mar 22, 1:35 AM CDT | Wind Advisory | MEG | 18 hr |
| Mar 23, 2:08 AM CDT | Wind Advisory | MEG | 29 hr |
| Mar 29, 3:20 PM CDT | Flash Flood Watch | MEG | 51 hr |
| Mar 30, 6:53 PM CDT | Tornado Watch | SPC | 8 hr |
| Mar 31, 1:08 AM CDT | Flash Flood Warning | MEG | 3 hr |
| Mar 31, 4:11 AM CDT | Flash Flood Warning | MEG | 64 min |
| Mar 31, 10:26 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Mar 31, 2:35 PM CDT | Tornado Watch | SPC | 7 hr |
| Mar 31, 4:29 PM CDT | Severe Thunderstorm Warning | MEG | 46 min |
| Mar 31, 4:33 PM CDT | Severe Thunderstorm Warning | MEG | 42 min |
| Mar 31, 4:47 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Mar 31, 5:14 PM CDT | Severe Thunderstorm Warning | MEG | 46 min |
| Mar 31, 5:36 PM CDT | Severe Thunderstorm Warning | MEG | 39 min |
| Apr 6, 2:40 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 9, 2:40 PM CDT | Wind Advisory | MEG | 30 hr |
| Apr 14, 6:03 PM CDT | Flash Flood Warning | MEG | 117 min |
| Apr 29, 12:11 PM CDT | Special Weather Statement | MEG | 49 min |
| Apr 29, 12:47 PM CDT | Flash Flood Warning | MEG | 3 hr |
| Apr 29, 3:26 PM CDT | Flash Flood Watch | MEG | 19 hr |
| Apr 30, 12:07 PM CDT | Special Weather Statement | MEG | 83 min |
| May 1, 1:11 PM CDT | Mesoscale Discussion | SPC | 64 min |
| May 10, 1:42 AM CDT | Mesoscale Discussion | SPC | 93 min |
| May 12, 9:10 AM CDT | Mesoscale Discussion | SPC | 95 min |
| May 25, 3:29 PM CDT | Severe Thunderstorm Warning | MEG | 46 min |
| May 25, 4:09 PM CDT | Flash Flood Warning | MEG | 3 hr |
| May 26, 5:10 PM CDT | Severe Thunderstorm Warning | MEG | 50 min |
| May 27, 5:25 PM CDT | Special Weather Statement | MEG | 35 min |
| May 27, 5:44 PM CDT | Special Weather Statement | MEG | 31 min |
| Jun 3, 2:23 PM CDT | Special Weather Statement | MEG | 52 min |
| Jun 15, 4:08 AM CDT | Heat Advisory | MEG | 60 hr |
| Jun 15, 6:29 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Jun 15, 7:59 PM CDT | Special Weather Statement | MEG | 46 min |
| Jun 15, 8:07 PM CDT | Severe Thunderstorm Warning | MEG | 38 min |
| Jun 16, 10:31 AM CDT | Excessive Heat Warning | MEG | 8 hr |
| Jun 16, 10:31 AM CDT | Heat Advisory | MEG | 32 hr |
| Jun 17, 5:21 PM CDT | Severe Thunderstorm Warning | MEG | 39 min |
| Jun 17, 6:06 PM CDT | Flash Flood Warning | MEG | 3 hr |
| Jun 23, 3:27 AM CDT | Heat Advisory | MEG | 39 hr |
| Jun 25, 10:36 AM CDT | Heat Advisory | MEG | 32 hr |
| Jun 27, 4:00 PM CDT | Special Weather Statement | MEG | 45 min |
| Jun 27, 4:17 PM CDT | Flash Flood Warning | MEG | 118 min |
| Jun 27, 4:25 PM CDT | Special Weather Statement | MEG | 50 min |
| Jun 28, 7:09 PM CDT | Special Weather Statement | MEG | 51 min |
| Jul 4, 3:25 PM CDT | Areal Flood Advisory | MEG | 3 hr |
| Jul 6, 2:21 AM CDT | Heat Advisory | MEG | 13 hr |
| Jul 7, 2:08 AM CDT | Heat Advisory | MEG | 16 hr |
| Jul 8, 1:40 PM CDT | Heat Advisory | MEG | 5 hr |
| Jul 8, 2:26 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 9, 8:23 PM CDT | Special Weather Statement | MEG | 37 min |
| Jul 9, 8:47 PM CDT | Special Weather Statement | MEG | 43 min |
| Jul 9, 9:43 PM CDT | Flash Flood Warning | MEG | 5 hr |
| Jul 10, 12:17 AM CDT | Flash Flood Warning | MEG | 3 hr |
| Jul 14, 9:42 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 15, 4:39 PM CDT | Severe Thunderstorm Warning | MEG | 51 min |
| Jul 18, 3:18 AM CDT | Heat Advisory | MEG | 6 days |
| Jul 19, 3:49 PM CDT | Special Weather Statement | MEG | 41 min |
| Jul 20, 11:41 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 20, 2:18 PM CDT | Special Weather Statement | MEG | 27 min |
| Jul 22, 8:08 AM CDT | Excessive Heat Warning | MEG | 12 hr |
| Jul 22, 8:08 AM CDT | Heat Advisory | MEG | 50 hr |
| Jul 23, 9:25 AM CDT | Special Weather Statement | MEG | 50 min |
| Jul 23, 9:39 AM CDT | Flash Flood Warning | MEG | 3 hr |
| Jul 24, 5:25 AM CDT | Flash Flood Warning | MEG | 3 hr |
| Jul 26, 10:39 AM CDT | Heat Advisory | MEG | 9 hr |
| Jul 29, 5:26 PM CDT | Special Weather Statement | MEG | 49 min |
| Jul 29, 5:31 PM CDT | Severe Thunderstorm Warning | MEG | 29 min |
| Jul 29, 6:01 PM CDT | Severe Thunderstorm Warning | MEG | 44 min |
| Aug 1, 3:37 PM CDT | Heat Advisory | MEG | 5 days |
| Aug 2, 3:03 PM CDT | Heat Advisory | MEG | 4 days |
| Aug 4, 11:36 AM CDT | Excessive Heat Warning | MEG | 32 hr |
| Aug 4, 7:06 PM CDT | Special Weather Statement | MEG | 24 min |
| Aug 5, 3:51 PM CDT | Severe Thunderstorm Warning | MEG | 24 min |
| Aug 5, 4:17 PM CDT | Special Weather Statement | MEG | 28 min |
| Aug 5, 4:27 PM CDT | Areal Flood Advisory | MEG | 63 min |
| Aug 11, 2:58 AM CDT | Heat Advisory | MEG | 15 hr |
| Aug 14, 2:34 PM CDT | Special Weather Statement | MEG | 41 min |
| Aug 25, 9:26 AM CDT | Heat Advisory | MEG | 10 hr |
| Sep 10, 1:05 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 19, 2:30 AM CDT | Dense Fog Advisory | MEG | 7 hr |
| Oct 7, 2:46 PM CDT | Fire Weather Watch | MEG | 13 hr |
| Oct 8, 4:08 AM CDT | Red Flag Warning | MEG | 15 hr |
| Oct 15, 2:49 AM CDT | Dense Fog Advisory | MEG | 6 hr |
| Nov 12, 3:19 AM CST | Frost Advisory | MEG | 30 hr |
| Nov 18, 3:22 PM CST | Freeze Watch | MEG | 12 hr |
| Nov 18, 5:24 PM CST | Special Weather Statement | MEG | 36 min |
| Nov 18, 5:45 PM CST | Severe Thunderstorm Warning | MEG | 45 min |
| Nov 19, 3:18 AM CST | Freeze Warning | MEG | 29 hr |
| Nov 25, 2:08 AM CST | Dense Fog Advisory | MEG | 7 hr |
| Nov 26, 4:43 AM CST | Dense Fog Advisory | MEG | 4 hr |
| Nov 27, 12:46 AM CST | Dense Fog Advisory | MEG | 8 hr |
| Nov 27, 2:04 PM CST | Wind Advisory | MEG | 28 hr |
| Nov 28, 12:00 PM CST | Special Weather Statement | MEG | 60 min |
| Nov 28, 12:59 PM CST | Special Weather Statement | MEG | 46 min |
| Dec 17, 12:16 PM CST | Winter Weather Advisory | MEG | 18 hr |
| Dec 17, 1:42 PM CST | Tornado Watch | SPC | 7 hr |
| Dec 17, 5:45 PM CST | Mesoscale Discussion | SPC | 90 min |
| Dec 17, 8:28 PM CST | Mesoscale Discussion | SPC | 62 min |
| Dec 17, 8:41 PM CST | Special Weather Statement | MEG | 49 min |
| Dec 17, 8:54 PM CST | Severe Thunderstorm Warning | MEG | 51 min |
| Dec 17, 8:58 PM CST | Severe Thunderstorm Warning | MEG | 32 min |
| Dec 17, 9:07 PM CST | Tornado Warning | MEG | 23 min |
| Dec 17, 9:15 PM CST | Tornado Warning | MEG | 30 min |
| Dec 24, 6:16 PM CST | Dense Fog Advisory | MEG | 17 hr |
| Dec 28, 3:51 PM CST | Mesoscale Discussion | SPC | 114 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 | 18 |
| Tornado Warning | 4 |
| Severe Thunderstorm Watch | 1 |
| Tornado Watch | 5 |
| Mesoscale Discussion | 17 |
| Special Weather Statement | 22 |
| Flooding | |
| Areal Flood Warning | 10 |
| Flash Flood Warning | 20 |
| Flash Flood Watch | 4 |
| Flood Watch | 1 |
| Areal Flood Advisory | 2 |
| River Flood Advisory | 3 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 2 |
| Heat | |
| Excessive Heat Warning | 3 |
| Heat Advisory | 14 |
| Cold | |
| Freeze Warning | 1 |
| Freeze Watch | 1 |
| Frost Advisory | 2 |
| Wind and dust | |
| Wind Advisory | 8 |
| Fire | |
| Red Flag Warning | 1 |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 7 |
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.