Alert archive / Louisiana / Jackson Parish
Weather alerts in Jackson Parish, Louisiana, 2016
150 weather alerts in 2016, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Jackson Parish and its neighbors
Each county as a circle sized by its count in 2016. Tap one for its archive.
- Alerts
- 150
- Warnings
- 44
- Watches
- 17
- Advisories
- 41
- Busiest month
- March58 alerts
- Busiest day
- March 31, 201610 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 6 tornado warnings covering Jackson Parish in 2016 had a tornado report inside them.
Jackson Parish, 2016
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 6 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 20 | 12 | 40% | 4 | 75% | 14 min |
| Flash flood warnings | 12 | 9 | 25% | 2 | 100% | 296 min |
Each office's whole area, 2016
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Shreveport, LA: tornado warnings | 78 | 11 | 86% | 20 | 80% | 14 min |
| NWS Shreveport, LA: severe thunderstorm warnings | 256 | 125 | 51% | 404 | 72% | 22 min |
| NWS Shreveport, LA: flash flood warnings | 82 | 58 | 29% | 248 | 92% | 275 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 8, 2:08 AM CST | Dense Fog Advisory | SHV | 10 hr |
| Jan 21, 4:40 AM CST | Mesoscale Discussion | SPC | 95 min |
| Jan 21, 3:50 PM CST | Lake Wind Advisory | SHV | 26 hr |
| Jan 30, 4:28 AM CST | Lake Wind Advisory | SHV | 36 hr |
| Feb 7, 3:25 PM CST | Lake Wind Advisory | SHV | 27 hr |
| Feb 9, 3:29 AM CST | Lake Wind Advisory | SHV | 13 hr |
| Feb 16, 10:59 AM CST | Lake Wind Advisory | SHV | 7 hr |
| Feb 22, 9:55 PM CST | Wind Advisory | SHV | 29 hr |
| Feb 23, 4:27 PM CST | Lake Wind Advisory | SHV | 24 hr |
| Feb 23, 5:59 PM CST | Severe Thunderstorm Warning | SHV | 61 min |
| Mar 1, 3:08 PM CST | Special Weather Statement | SHV | 52 min |
| Mar 2, 10:18 PM CST | Lake Wind Advisory | SHV | 20 hr |
| Mar 7, 4:53 AM CST | Flash Flood Watch | SHV | 6 days |
| Mar 8, 12:41 PM CST | Tornado Watch | SPC | 5 hr |
| Mar 8, 3:11 PM CST | Mesoscale Discussion | SPC | 94 min |
| Mar 8, 3:40 PM CST | Severe Thunderstorm Warning | SHV | 50 min |
| Mar 8, 4:26 PM CST | Severe Thunderstorm Warning | SHV | 49 min |
| Mar 8, 5:52 PM CST | Mesoscale Discussion | SPC | 83 min |
| Mar 8, 8:04 PM CST | Flash Flood Warning | SHV | 6 hr |
| Mar 8, 8:15 PM CST | Tornado Warning | SHV | 45 min |
| Mar 8, 11:10 PM CST | Tornado Warning | SHV | 19 min |
| Mar 9, 3:28 AM CST | Areal Flood Warning | SHV | 3 hr |
| Mar 9, 9:18 AM CST | Flash Flood Warning | SHV | 4 hr |
| Mar 9, 9:20 AM CST | Special Weather Statement | SHV | 40 min |
| Mar 9, 2:48 PM CST | Flash Flood Warning | SHV | 12 hr |
| Mar 9, 2:53 PM CST | Special Weather Statement | SHV | 52 min |
| Mar 9, 3:48 PM CST | Special Weather Statement | SHV | 57 min |
| Mar 10, 2:43 AM CST | Flash Flood Warning | SHV | 12 hr |
| Mar 10, 11:48 AM CST | Flash Flood Warning | SHV | 6 hr |
| Mar 10, 5:45 PM CST | Flash Flood Warning | SHV | 3 hr |
| Mar 10, 9:08 PM CST | Flash Flood Warning | SHV | 21 hr |
| Mar 11, 6:20 PM CST | Flash Flood Warning | SHV | 28 hr |
| Mar 12, 2:20 PM CST | Severe Thunderstorm Warning | SHV | 40 min |
| Mar 12, 10:06 PM CST | Areal Flood Warning | SHV | 7 days |
| Mar 13, 3:20 AM CDT | Lake Wind Advisory | SHV | 16 hr |
| Mar 13, 8:17 PM CDT | Severe Thunderstorm Warning | SHV | 17 min |
| Mar 13, 8:22 PM CDT | Severe Thunderstorm Warning | SHV | 25 min |
| Mar 13, 8:51 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Mar 13, 9:07 PM CDT | Severe Thunderstorm Warning | SHV | 25 min |
| Mar 15, 4:43 AM CDT | Lake Wind Advisory | SHV | 14 hr |
| Mar 17, 9:37 AM CDT | Mesoscale Discussion | SPC | 83 min |
| Mar 17, 1:19 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Mar 17, 6:22 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Mar 17, 11:50 PM CDT | Special Weather Statement | SHV | 55 min |
| Mar 18, 1:16 PM CDT | Mesoscale Discussion | SPC | 59 min |
| Mar 18, 1:35 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Mar 18, 2:07 PM CDT | Severe Thunderstorm Warning | SHV | 53 min |
| Mar 18, 3:47 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Mar 18, 7:06 PM CDT | Mesoscale Discussion | SPC | 54 min |
| Mar 19, 4:46 AM CDT | Lake Wind Advisory | SHV | 11 hr |
| Mar 20, 4:50 AM CDT | Freeze Warning | SHV | 28 hr |
| Mar 20, 4:50 AM CDT | Lake Wind Advisory | SHV | 12 hr |
| Mar 21, 2:30 PM CDT | Lake Wind Advisory | SHV | 59 hr |
| Mar 22, 2:49 PM CDT | Lake Wind Advisory | SHV | 34 hr |
| Mar 24, 3:55 AM CDT | Lake Wind Advisory | SHV | 12 hr |
| Mar 29, 3:28 PM CDT | Flash Flood Watch | SHV | 52 hr |
| Mar 30, 11:07 AM CDT | Lake Wind Advisory | SHV | 11 hr |
| Mar 30, 2:31 PM CDT | Tornado Watch | SPC | 7 hr |
| Mar 30, 8:39 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Mar 30, 10:00 PM CDT | Tornado Watch | SPC | 6 hr |
| Mar 31, 1:30 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 31, 2:05 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Mar 31, 2:12 PM CDT | Special Weather Statement | SHV | 48 min |
| Mar 31, 2:41 PM CDT | Severe Thunderstorm Warning | SHV | 49 min |
| Mar 31, 3:52 PM CDT | Severe Thunderstorm Warning | SHV | 38 min |
| Mar 31, 4:29 PM CDT | Severe Thunderstorm Warning | SHV | 49 min |
| Mar 31, 4:44 PM CDT | Severe Thunderstorm Warning | SHV | 61 min |
| Mar 31, 5:22 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Apr 6, 4:32 AM CDT | Lake Wind Advisory | SHV | 14 hr |
| Apr 9, 8:48 PM CDT | Lake Wind Advisory | SHV | 25 hr |
| Apr 11, 11:48 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 11, 1:05 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 11, 3:42 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Apr 11, 6:09 PM CDT | Mesoscale Discussion | SPC | 66 min |
| Apr 11, 6:42 PM CDT | Flash Flood Warning | SHV | 6 hr |
| Apr 11, 6:58 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Apr 11, 7:17 PM CDT | Flash Flood Warning | SHV | 3 hr |
| Apr 12, 12:35 AM CDT | Areal Flood Warning | SHV | 6 hr |
| Apr 19, 5:26 PM CDT | Areal Flood Advisory | SHV | 3 hr |
| Apr 20, 2:18 AM CDT | Flash Flood Watch | SHV | 34 hr |
| Apr 27, 6:33 AM CDT | Tornado Warning | SHV | 42 min |
| Apr 27, 7:08 AM CDT | Tornado Warning | SHV | 37 min |
| Apr 28, 4:08 PM CDT | Flash Flood Watch | SHV | 51 hr |
| Apr 29, 9:46 AM CDT | Mesoscale Discussion | SPC | 89 min |
| Apr 29, 11:40 AM CDT | Special Weather Statement | SHV | 65 min |
| Apr 29, 12:09 PM CDT | Special Weather Statement | SHV | 51 min |
| Apr 29, 2:17 PM CDT | Areal Flood Advisory | SHV | 3 hr |
| Apr 29, 5:42 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Apr 29, 8:56 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Apr 29, 9:58 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 29, 11:42 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Apr 30, 5:11 AM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Apr 30, 8:03 AM CDT | Tornado Warning | SHV | 27 min |
| Apr 30, 8:09 AM CDT | Tornado Warning | SHV | 25 min |
| May 2, 2:43 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 2, 3:17 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 2, 5:48 AM CDT | Mesoscale Discussion | SPC | 87 min |
| May 2, 9:00 AM CDT | Areal Flood Advisory | SHV | 4 hr |
| May 8, 3:17 PM CDT | Lake Wind Advisory | SHV | 28 hr |
| May 12, 2:33 PM CDT | Mesoscale Discussion | SPC | 87 min |
| May 27, 4:41 AM CDT | Lake Wind Advisory | SHV | 16 hr |
| May 27, 3:35 PM CDT | Severe Thunderstorm Warning | SHV | 55 min |
| May 27, 4:03 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Jun 3, 12:45 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 12, 6:24 PM CDT | Areal Flood Advisory | SHV | 2 hr |
| Jun 14, 3:36 PM CDT | Heat Advisory | SHV | 4 days |
| Jun 18, 11:12 AM CDT | Severe Thunderstorm Warning | SHV | 48 min |
| Jul 2, 3:48 PM CDT | Heat Advisory | SHV | 5 days |
| Jul 7, 3:36 PM CDT | Heat Advisory | SHV | 27 hr |
| Jul 14, 7:40 PM CDT | Severe Thunderstorm Warning | SHV | 65 min |
| Jul 14, 8:34 PM CDT | Severe Thunderstorm Warning | SHV | 56 min |
| Jul 15, 2:18 PM CDT | Special Weather Statement | SHV | 42 min |
| Jul 17, 3:31 PM CDT | Heat Advisory | SHV | 6 days |
| Jul 22, 2:29 PM CDT | Special Weather Statement | SHV | 46 min |
| Jul 24, 3:33 AM CDT | Heat Advisory | SHV | 15 hr |
| Jul 24, 1:28 PM CDT | Special Weather Statement | SHV | 47 min |
| Jul 28, 9:47 AM CDT | Areal Flood Advisory | SHV | 3 hr |
| Jul 28, 10:47 AM CDT | Flash Flood Warning | SHV | 5 hr |
| Jul 28, 12:59 PM CDT | Flash Flood Warning | SHV | 5 hr |
| Aug 1, 3:56 AM CDT | Heat Advisory | SHV | 39 hr |
| Aug 2, 2:56 PM CDT | Heat Advisory | SHV | 10 days |
| Aug 4, 1:50 AM CDT | Excessive Heat Warning | SHV | 62 hr |
| Aug 6, 4:16 PM CDT | Severe Thunderstorm Warning | SHV | 59 min |
| Aug 7, 8:01 PM CDT | Special Weather Statement | SHV | 59 min |
| Aug 7, 8:25 PM CDT | Areal Flood Advisory | SHV | 3 hr |
| Aug 7, 8:38 PM CDT | Special Weather Statement | SHV | 52 min |
| Aug 15, 3:27 PM CDT | Special Weather Statement | SHV | 63 min |
| Aug 23, 3:35 PM CDT | Heat Advisory | SHV | 27 hr |
| Aug 25, 6:45 PM CDT | Special Weather Statement | SHV | 45 min |
| Aug 25, 7:10 PM CDT | Areal Flood Advisory | SHV | 2 hr |
| Nov 18, 2:46 PM CST | Lake Wind Advisory | SHV | 7 hr |
| Nov 19, 3:08 AM CST | Freeze Warning | SHV | 30 hr |
| Nov 27, 3:05 PM CST | Lake Wind Advisory | SHV | 26 hr |
| Nov 27, 9:17 PM CST | Lake Wind Advisory | SHV | 20 hr |
| Nov 28, 11:08 AM CST | Tornado Watch | SPC | 6 hr |
| Nov 28, 12:32 PM CST | Special Weather Statement | SHV | 43 min |
| Nov 28, 1:02 PM CST | Mesoscale Discussion | SPC | 118 min |
| Nov 28, 1:16 PM CST | Special Weather Statement | SHV | 44 min |
| Nov 29, 9:51 AM CST | Mesoscale Discussion | SPC | 84 min |
| Nov 29, 11:56 AM CST | Special Weather Statement | SHV | 49 min |
| Nov 29, 12:38 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Nov 29, 1:48 PM CST | Tornado Watch | SPC | 7 hr |
| Nov 29, 2:26 PM CST | Severe Thunderstorm Warning | SHV | 49 min |
| Nov 29, 3:13 PM CST | Severe Thunderstorm Warning | SHV | 47 min |
| Nov 29, 6:59 PM CST | Special Weather Statement | SHV | 46 min |
| Nov 29, 7:27 PM CST | Severe Thunderstorm Warning | SHV | 33 min |
| Dec 13, 4:24 AM CST | Dense Fog Advisory | SHV | 6 hr |
| Dec 16, 3:57 AM CST | Lake Wind Advisory | SHV | 60 hr |
| Dec 17, 6:44 PM CST | Mesoscale Discussion | SPC | 3 hr |
| Dec 28, 10:25 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 | 20 |
| Tornado Warning | 6 |
| Severe Thunderstorm Watch | 8 |
| Tornado Watch | 5 |
| Mesoscale Discussion | 29 |
| Special Weather Statement | 19 |
| Flooding | |
| Areal Flood Warning | 3 |
| Flash Flood Warning | 12 |
| Flash Flood Watch | 4 |
| Areal Flood Advisory | 7 |
| Heat | |
| Excessive Heat Warning | 1 |
| Heat Advisory | 8 |
| Cold | |
| Freeze Warning | 2 |
| Wind and dust | |
| Lake Wind Advisory | 23 |
| Wind Advisory | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
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.