Alert archive / Mississippi / Prentiss County
Weather alerts in Prentiss County, Mississippi, 2012
161 weather alerts in 2012, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Prentiss County and its neighbors
Each county as a circle sized by its count in 2012. Tap one for its archive.
- Alerts
- 161
- Warnings
- 58
- Watches
- 20
- Advisories
- 31
- Busiest month
- April28 alerts
- Busiest day
- April 1, 201221 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 2 tornado warnings covering Prentiss County in 2012 had a tornado report inside them.
Prentiss County, 2012
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 2 | 1 | 50% | 0 | ||
| Severe thunderstorm warnings | 46 | 24 | 48% | 4 | 75% | 5 min |
| Flash flood warnings | 7 | 3 | 57% | 0 |
Each office's whole area, 2012
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Memphis, TN: tornado warnings | 76 | 11 | 86% | 22 | 68% | 14 min |
| NWS Memphis, TN: severe thunderstorm warnings | 482 | 201 | 58% | 468 | 72% | 22 min |
| NWS Memphis, TN: flash flood warnings | 64 | 16 | 75% | 39 | 82% | 48 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 2, 3:16 AM CST | Wind Advisory | MEG | 14 hr |
| Jan 9, 3:28 AM CST | Dense Fog Advisory | MEG | 9 hr |
| Jan 11, 2:47 AM CST | Dense Fog Advisory | MEG | 7 hr |
| Jan 12, 3:42 AM CST | Wind Advisory | MEG | 13 hr |
| Jan 14, 3:07 AM CST | Wind Advisory | MEG | 9 hr |
| Jan 14, 2:03 PM CST | Red Flag Warning | MEG | 2 hr |
| Jan 17, 11:40 AM CST | Severe Thunderstorm Warning | MEG | 50 min |
| Jan 17, 11:53 AM CST | Tornado Warning | MEG | 37 min |
| Jan 17, 12:18 PM CST | Severe Thunderstorm Warning | MEG | 18 min |
| Jan 20, 10:02 PM CST | Mesoscale Discussion | SPC | 88 min |
| Jan 20, 10:35 PM CST | Tornado Watch | SPC | 8 hr |
| Jan 21, 1:52 AM CST | Mesoscale Discussion | SPC | 113 min |
| Jan 21, 2:49 AM CST | Special Weather Statement | MEG | 26 min |
| Jan 21, 4:01 AM CST | Severe Thunderstorm Warning | MEG | 44 min |
| Jan 22, 8:16 AM CST | Dense Fog Advisory | MEG | 4 hr |
| Jan 22, 1:12 PM CST | Wind Advisory | MEG | 14 hr |
| Jan 22, 9:47 PM CST | Mesoscale Discussion | SPC | 58 min |
| Jan 22, 10:59 PM CST | Tornado Watch | SPC | 7 hr |
| Jan 23, 12:34 AM CST | Severe Thunderstorm Warning | MEG | 41 min |
| Jan 26, 5:35 PM CST | Mesoscale Discussion | SPC | 55 min |
| Feb 1, 4:49 PM CST | Mesoscale Discussion | SPC | 56 min |
| Feb 1, 4:59 PM CST | Severe Thunderstorm Watch | SPC | 4 hr |
| Feb 1, 7:10 PM CST | Mesoscale Discussion | SPC | 95 min |
| Feb 2, 3:34 AM CST | Dense Fog Advisory | MEG | 5 hr |
| Feb 18, 3:32 PM CST | Wind Advisory | MEG | 12 hr |
| Feb 22, 2:08 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Feb 23, 4:11 AM CST | Wind Advisory | MEG | 14 hr |
| Feb 29, 12:49 AM CST | Mesoscale Discussion | SPC | 56 min |
| Feb 29, 11:46 AM CST | Mesoscale Discussion | SPC | 89 min |
| Feb 29, 1:48 PM CST | Tornado Watch | SPC | 7 hr |
| Mar 2, 2:50 AM CST | Wind Advisory | MEG | 15 hr |
| Mar 2, 12:57 PM CST | Mesoscale Discussion | SPC | 63 min |
| Mar 2, 1:20 PM CST | Tornado Watch | SPC | 9 hr |
| Mar 2, 1:33 PM CST | Severe Thunderstorm Warning | MEG | 42 min |
| Mar 2, 3:25 PM CST | Mesoscale Discussion | SPC | 65 min |
| Mar 2, 5:16 PM CST | Severe Thunderstorm Warning | MEG | 44 min |
| Mar 3, 8:49 PM CST | Fire Weather Watch | MEG | 60 min |
| Mar 3, 9:53 PM CST | Fire Weather Watch | MEG | 5 hr |
| Mar 4, 3:07 AM CST | Red Flag Warning | MEG | 15 hr |
| Mar 8, 5:10 PM CST | Wind Advisory | MEG | 5 hr |
| Mar 14, 3:01 PM CDT | Mesoscale Discussion | SPC | 104 min |
| Mar 17, 3:53 PM CDT | Special Weather Statement | MEG | 37 min |
| Mar 30, 11:25 PM CDT | Dense Fog Advisory | MEG | 10 hr |
| Mar 31, 12:29 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Mar 31, 12:47 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Mar 31, 3:02 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Mar 31, 5:00 PM CDT | Mesoscale Discussion | SPC | 30 min |
| Mar 31, 7:28 PM CDT | Severe Thunderstorm Warning | MEG | 47 min |
| Mar 31, 8:14 PM CDT | Severe Thunderstorm Warning | MEG | 46 min |
| Mar 31, 8:14 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Mar 31, 8:24 PM CDT | Flash Flood Warning | MEG | 4 hr |
| Mar 31, 8:27 PM CDT | Severe Thunderstorm Warning | MEG | 48 min |
| Mar 31, 8:56 PM CDT | Severe Thunderstorm Warning | MEG | 49 min |
| Mar 31, 9:08 PM CDT | Severe Thunderstorm Warning | MEG | 52 min |
| Mar 31, 9:46 PM CDT | Severe Thunderstorm Warning | MEG | 44 min |
| Mar 31, 10:23 PM CDT | Flash Flood Warning | MEG | 5 hr |
| Mar 31, 10:25 PM CDT | Severe Thunderstorm Warning | MEG | 50 min |
| Mar 31, 10:43 PM CDT | Severe Thunderstorm Warning | MEG | 47 min |
| Mar 31, 11:12 PM CDT | Severe Thunderstorm Warning | MEG | 48 min |
| Mar 31, 11:29 PM CDT | Severe Thunderstorm Warning | MEG | 46 min |
| Mar 31, 11:33 PM CDT | Mesoscale Discussion | SPC | 57 min |
| Mar 31, 11:41 PM CDT | Flash Flood Warning | MEG | 4 hr |
| Mar 31, 11:52 PM CDT | Severe Thunderstorm Warning | MEG | 38 min |
| Apr 1, 12:08 AM CDT | Severe Thunderstorm Warning | MEG | 52 min |
| Apr 1, 12:09 AM CDT | Severe Thunderstorm Warning | MEG | 51 min |
| Apr 1, 1:39 AM CDT | Severe Thunderstorm Warning | MEG | 51 min |
| Apr 1, 2:16 AM CDT | Severe Thunderstorm Warning | MEG | 44 min |
| Apr 1, 3:20 AM CDT | Flash Flood Warning | MEG | 3 hr |
| Apr 3, 5:00 PM CDT | Special Weather Statement | MEG | 30 min |
| Apr 5, 12:09 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Apr 5, 12:18 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Apr 5, 2:22 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Apr 11, 3:30 AM CDT | Frost Advisory | MEG | 29 hr |
| Apr 22, 1:16 PM CDT | Wind Advisory | MEG | 6 hr |
| Apr 23, 4:01 AM CDT | Frost Advisory | MEG | 28 hr |
| May 2, 6:33 PM CDT | Severe Thunderstorm Warning | MEG | 17 min |
| May 7, 1:04 AM CDT | Flash Flood Warning | MEG | 3 hr |
| May 8, 4:09 AM CDT | Dense Fog Advisory | MEG | 5 hr |
| May 14, 12:30 AM CDT | Dense Fog Advisory | MEG | 7 hr |
| May 30, 4:56 PM CDT | Mesoscale Discussion | SPC | 94 min |
| May 31, 12:59 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 31, 2:38 PM CDT | Mesoscale Discussion | SPC | 67 min |
| May 31, 5:09 PM CDT | Special Weather Statement | MEG | 51 min |
| May 31, 5:30 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 3, 12:36 PM CDT | Severe Thunderstorm Warning | MEG | 24 min |
| Jun 3, 12:44 PM CDT | Severe Thunderstorm Warning | MEG | 46 min |
| Jun 3, 12:56 PM CDT | Severe Thunderstorm Warning | MEG | 49 min |
| Jun 3, 1:11 PM CDT | Mesoscale Discussion | SPC | 64 min |
| Jun 3, 7:09 PM CDT | Tornado Watch | SPC | 7 hr |
| Jun 3, 8:34 PM CDT | Mesoscale Discussion | SPC | 56 min |
| Jun 3, 11:13 PM CDT | Mesoscale Discussion | SPC | 62 min |
| Jun 3, 11:24 PM CDT | Severe Thunderstorm Warning | MEG | 51 min |
| Jun 3, 11:58 PM CDT | Severe Thunderstorm Warning | MEG | 62 min |
| Jun 4, 3:14 AM CDT | Mesoscale Discussion | SPC | 91 min |
| Jun 4, 4:22 AM CDT | Severe Thunderstorm Warning | MEG | 38 min |
| Jun 4, 4:29 AM CDT | Severe Thunderstorm Warning | MEG | 46 min |
| Jun 4, 4:58 AM CDT | Severe Thunderstorm Warning | MEG | 47 min |
| Jun 11, 1:12 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Jun 11, 1:28 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 11, 3:29 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 11, 4:35 PM CDT | Severe Thunderstorm Warning | MEG | 40 min |
| Jun 11, 4:56 PM CDT | Flash Flood Warning | MEG | 2 hr |
| Jun 11, 5:05 PM CDT | Mesoscale Discussion | SPC | 55 min |
| Jun 11, 5:12 PM CDT | Severe Thunderstorm Warning | MEG | 48 min |
| Jun 28, 3:28 AM CDT | Heat Advisory | MEG | 4 days |
| Jul 1, 1:08 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 4, 3:35 AM CDT | Heat Advisory | MEG | 4 days |
| Jul 6, 2:30 PM CDT | Severe Thunderstorm Warning | MEG | 75 min |
| Jul 6, 2:36 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Jul 6, 2:51 PM CDT | Severe Thunderstorm Warning | MEG | 54 min |
| Jul 6, 2:58 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 6, 3:08 PM CDT | Severe Thunderstorm Warning | MEG | 82 min |
| Jul 6, 3:30 PM CDT | Severe Thunderstorm Warning | MEG | 60 min |
| Jul 8, 4:41 AM CDT | Severe Thunderstorm Warning | MEG | 34 min |
| Jul 8, 5:10 AM CDT | Severe Thunderstorm Warning | MEG | 35 min |
| Jul 8, 1:52 PM CDT | Special Weather Statement | MEG | 23 min |
| Jul 18, 3:27 AM CDT | Heat Advisory | MEG | 3 days |
| Jul 18, 4:51 PM CDT | Special Weather Statement | MEG | 24 min |
| Jul 18, 4:56 PM CDT | Severe Thunderstorm Warning | MEG | 30 min |
| Jul 21, 2:47 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 21, 3:04 PM CDT | Heat Advisory | MEG | 5 days |
| Jul 28, 12:57 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 30, 11:05 PM CDT | Severe Thunderstorm Warning | MEG | 70 min |
| Jul 31, 2:28 AM CDT | Heat Advisory | MEG | 61 hr |
| Aug 1, 2:36 PM CDT | Mesoscale Discussion | SPC | 54 min |
| Aug 1, 3:02 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 1, 3:45 PM CDT | Severe Thunderstorm Warning | MEG | 45 min |
| Aug 13, 5:14 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Sep 1, 7:08 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Sep 1, 11:07 PM CDT | Special Weather Statement | MEG | 38 min |
| Sep 2, 3:42 PM CDT | Tornado Watch | SPC | 7 hr |
| Sep 2, 7:13 PM CDT | Mesoscale Discussion | SPC | 62 min |
| Sep 2, 8:08 PM CDT | Tornado Warning | MEG | 37 min |
| Sep 2, 8:34 PM CDT | Severe Thunderstorm Warning | MEG | 26 min |
| Sep 2, 8:56 PM CDT | Severe Thunderstorm Warning | MEG | 49 min |
| Sep 2, 9:24 PM CDT | Flash Flood Warning | MEG | 2 hr |
| Sep 2, 9:48 PM CDT | Mesoscale Discussion | SPC | 57 min |
| Sep 5, 2:29 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Sep 5, 8:04 PM CDT | Severe Thunderstorm Warning | MEG | 41 min |
| Sep 5, 8:42 PM CDT | Special Weather Statement | MEG | 18 min |
| Sep 7, 8:10 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Sep 7, 8:24 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Sep 7, 11:36 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Oct 8, 2:36 PM CDT | Frost Advisory | MEG | 17 hr |
| Oct 12, 10:31 PM CDT | Dense Fog Advisory | MEG | 10 hr |
| Oct 14, 7:22 AM CDT | Mesoscale Discussion | SPC | 83 min |
| Oct 17, 8:23 PM CDT | Tornado Watch | SPC | 5 hr |
| Oct 17, 9:28 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Oct 17, 10:05 PM CDT | Severe Thunderstorm Warning | MEG | 40 min |
| Oct 17, 10:35 PM CDT | Severe Thunderstorm Warning | MEG | 55 min |
| Oct 30, 3:34 PM CDT | Frost Advisory | MEG | 18 hr |
| Oct 31, 2:53 PM CDT | Frost Advisory | MEG | 18 hr |
| Nov 3, 8:50 PM CDT | Special Weather Statement | MEG | 40 min |
| Nov 7, 3:00 PM CST | Freeze Warning | MEG | 17 hr |
| Nov 22, 3:06 AM CST | Dense Fog Advisory | MEG | 6 hr |
| Dec 6, 4:58 AM CST | Dense Fog Advisory | MEG | 3 hr |
| Dec 19, 3:32 AM CST | Wind Advisory | MEG | 41 hr |
| Dec 20, 4:08 AM CST | Mesoscale Discussion | SPC | 67 min |
| Dec 20, 5:10 AM CST | Special Weather Statement | MEG | 35 min |
| Dec 20, 5:45 AM CST | Special Weather Statement | MEG | 45 min |
| Dec 25, 4:32 AM CST | Wind Advisory | MEG | 28 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 | 46 |
| Tornado Warning | 2 |
| Severe Thunderstorm Watch | 11 |
| Tornado Watch | 7 |
| Mesoscale Discussion | 41 |
| Special Weather Statement | 11 |
| Flooding | |
| Flash Flood Warning | 7 |
| Heat | |
| Heat Advisory | 5 |
| Cold | |
| Freeze Warning | 1 |
| Frost Advisory | 5 |
| Wind and dust | |
| Wind Advisory | 11 |
| Fire | |
| Red Flag Warning | 2 |
| Fire Weather Watch | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 10 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20112013
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.