Alert archive / Mississippi / Wilkinson County
Weather alerts in Wilkinson County, Mississippi, 2009
125 weather alerts in 2009, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Wilkinson County and its neighbors
Each county as a circle sized by its count in 2009. Tap one for its archive.
- Alerts
- 125
- Warnings
- 23
- Watches
- 25
- Advisories
- 38
- Busiest month
- December30 alerts
- Busiest day
- March 28, 20098 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 2 tornado warnings covering Wilkinson County in 2009 had a tornado report inside them.
Wilkinson County, 2009
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 2 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 10 | 1 | 90% | 1 | 100% | 44 min |
| Flash flood warnings | 3 | 1 | 67% | 1 | 100% | 89 min |
Each office's whole area, 2009
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS New Orleans, LA: tornado warnings | 73 | 8 | 89% | 20 | 30% | 19 min |
| NWS New Orleans, LA: severe thunderstorm warnings | 191 | 39 | 80% | 102 | 56% | 22 min |
| NWS New Orleans, LA: flash flood warnings | 59 | 24 | 59% | 66 | 85% | 88 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 3, 9:33 AM CST | Severe Thunderstorm Watch | SPC | 6 hr |
| Jan 3, 12:32 PM CST | Mesoscale Discussion | SPC | 88 min |
| Jan 3, 4:27 PM CST | Mesoscale Discussion | SPC | 33 min |
| Jan 3, 6:29 PM CST | Mesoscale Discussion | SPC | 61 min |
| Jan 4, 11:29 PM CST | Dense Fog Advisory | LIX | 10 hr |
| Jan 14, 10:48 AM CST | Hard Freeze Watch | LIX | 18 hr |
| Jan 15, 4:31 AM CST | Hard Freeze Warning | LIX | 28 hr |
| Jan 15, 11:05 AM CST | Wind Chill Advisory | LIX | 22 hr |
| Jan 16, 4:52 AM CST | Hard Freeze Warning | LIX | 27 hr |
| Feb 3, 3:45 PM CST | Hard Freeze Watch | LIX | 12 hr |
| Feb 18, 1:22 PM CST | Mesoscale Discussion | SPC | 53 min |
| Mar 16, 2:20 AM CDT | Areal Flood Advisory | LIX | 106 days |
| Mar 25, 3:51 PM CDT | Flash Flood Watch | LIX | 63 hr |
| Mar 25, 8:32 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Mar 25, 8:54 PM CDT | Tornado Watch | SPC | 7 hr |
| Mar 25, 11:38 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Mar 25, 11:56 PM CDT | Severe Thunderstorm Warning | LIX | 64 min |
| Mar 26, 5:36 PM CDT | Mesoscale Discussion | SPC | 54 min |
| Mar 26, 5:56 PM CDT | Tornado Watch | SPC | 7 hr |
| Mar 27, 2:54 PM CDT | Tornado Watch | SPC | 6 hr |
| Mar 27, 6:46 PM CDT | Severe Thunderstorm Warning | LIX | 59 min |
| Mar 27, 7:01 PM CDT | Flash Flood Warning | LIX | 3 hr |
| Mar 27, 7:51 PM CDT | Tornado Watch | SPC | 9 hr |
| Mar 27, 10:21 PM CDT | Tornado Warning | LIX | 24 min |
| Mar 27, 10:59 PM CDT | Tornado Warning | LIX | 31 min |
| Mar 27, 11:06 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Mar 27, 11:31 PM CDT | Severe Thunderstorm Warning | LIX | 59 min |
| Mar 27, 11:50 PM CDT | Flash Flood Warning | LIX | 115 min |
| Mar 28, 12:14 AM CDT | Severe Thunderstorm Warning | LIX | 31 min |
| Mar 31, 8:58 AM CDT | Mesoscale Discussion | SPC | 92 min |
| Mar 31, 9:37 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Mar 31, 11:54 AM CDT | Mesoscale Discussion | SPC | 96 min |
| Mar 31, 2:44 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Apr 2, 8:01 AM CDT | Mesoscale Discussion | SPC | 59 min |
| Apr 2, 9:24 AM CDT | Tornado Watch | SPC | 7 hr |
| Apr 2, 10:36 AM CDT | High Wind Watch | LIX | 4 hr |
| Apr 5, 11:45 AM CDT | Freeze Watch | LIX | 28 hr |
| Apr 6, 4:04 PM CDT | Freeze Warning | LIX | 12 hr |
| Apr 12, 1:02 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Apr 12, 1:53 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 12, 5:49 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Apr 13, 6:33 AM CDT | Dense Fog Advisory | LIX | 2 hr |
| Apr 13, 1:39 PM CDT | Mesoscale Discussion | SPC | 66 min |
| Apr 13, 4:33 PM CDT | Severe Thunderstorm Warning | LIX | 61 min |
| Apr 18, 11:12 PM CDT | Severe Thunderstorm Warning | LIX | 33 min |
| Apr 18, 11:46 PM CDT | Severe Thunderstorm Warning | LIX | 47 min |
| Apr 27, 11:06 PM CDT | Mesoscale Discussion | SPC | 84 min |
| May 3, 6:54 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 3, 7:44 AM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| May 3, 9:24 AM CDT | Mesoscale Discussion | SPC | 66 min |
| May 3, 9:32 AM CDT | Severe Thunderstorm Warning | LIX | 58 min |
| May 4, 4:07 PM CDT | River Flood Warning | JAN | 39 days |
| May 6, 12:37 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 11, 2:20 PM CDT | Mesoscale Discussion | SPC | 55 min |
| May 11, 2:52 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 16, 2:15 PM CDT | Areal Flood Advisory | LIX | 72 days |
| May 27, 6:24 PM CDT | Severe Thunderstorm Warning | LIX | 66 min |
| Jun 20, 4:15 AM CDT | Heat Advisory | LIX | 5 days |
| Jun 24, 1:28 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 26, 4:10 PM CDT | Heat Advisory | LIX | 63 hr |
| Jun 29, 12:18 PM CDT | Heat Advisory | LIX | 5 hr |
| Jul 3, 4:50 AM CDT | Heat Advisory | LIX | 14 hr |
| Jul 4, 3:45 AM CDT | Heat Advisory | LIX | 15 hr |
| Jul 5, 3:39 AM CDT | Heat Advisory | LIX | 16 hr |
| Jul 13, 4:45 AM CDT | Heat Advisory | LIX | 14 hr |
| Jul 26, 9:45 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 28, 2:18 PM CDT | Mesoscale Discussion | SPC | 57 min |
| Jul 30, 10:12 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 6, 10:11 AM CDT | Mesoscale Discussion | SPC | 94 min |
| Sep 6, 2:04 PM CDT | Areal Flood Advisory | LIX | 44 min |
| Oct 1, 11:45 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Oct 2, 1:07 AM CDT | Tornado Watch | SPC | 5 hr |
| Oct 2, 2:17 AM CDT | Severe Thunderstorm Warning | LIX | 43 min |
| Oct 8, 4:56 AM CDT | Dense Fog Advisory | LIX | 4 hr |
| Oct 14, 12:14 PM CDT | River Flood Advisory | JAN | 34 hr |
| Oct 14, 10:07 PM CDT | Dense Fog Advisory | LIX | 10 hr |
| Oct 15, 8:20 PM CDT | Areal Flood Advisory | LIX | 115 min |
| Oct 16, 11:33 AM CDT | River Flood Advisory | JAN | 36 hr |
| Oct 18, 10:32 AM CDT | River Flood Advisory | JAN | 36 hr |
| Oct 20, 3:11 PM CDT | River Flood Advisory | JAN | 69 hr |
| Oct 22, 11:27 AM CDT | Mesoscale Discussion | SPC | 93 min |
| Oct 22, 11:58 AM CDT | Tornado Watch | SPC | 7 hr |
| Oct 22, 3:36 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Oct 22, 6:26 PM CDT | Mesoscale Discussion | SPC | 34 min |
| Oct 28, 4:04 AM CDT | Dense Fog Advisory | LIX | 5 hr |
| Oct 30, 10:22 AM CDT | Mesoscale Discussion | SPC | 83 min |
| Oct 30, 11:53 PM CDT | River Flood Advisory | JAN | 36 hr |
| Nov 1, 7:26 PM CST | River Flood Advisory | JAN | 36 hr |
| Nov 3, 11:09 AM CST | River Flood Advisory | JAN | 36 hr |
| Nov 5, 12:12 PM CST | River Flood Advisory | JAN | 36 hr |
| Nov 7, 11:24 AM CST | River Flood Advisory | JAN | 36 hr |
| Nov 9, 5:35 AM CST | Wind Advisory | LIX | 23 hr |
| Nov 9, 11:19 AM CST | River Flood Warning | JAN | 6 days |
| Nov 24, 3:18 AM CST | Dense Fog Advisory | LIX | 6 hr |
| Nov 26, 10:30 AM CST | Freeze Warning | LIX | 21 hr |
| Dec 3, 4:09 PM CST | Winter Storm Watch | LIX | 13 hr |
| Dec 3, 4:09 PM CST | Winter Weather Advisory | LIX | 34 hr |
| Dec 4, 10:20 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Dec 4, 12:13 PM CST | Mesoscale Discussion | SPC | 4 hr |
| Dec 4, 3:42 PM CST | Freeze Warning | LIX | 16 hr |
| Dec 4, 4:58 PM CST | Winter Storm Warning | LIX | 9 hr |
| Dec 4, 5:22 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Dec 8, 5:00 AM CST | Flash Flood Watch | LIX | 16 hr |
| Dec 8, 12:12 PM CST | Mesoscale Discussion | SPC | 93 min |
| Dec 8, 1:25 PM CST | Tornado Watch | SPC | 8 hr |
| Dec 8, 4:32 PM CST | Areal Flood Advisory | LIX | 118 min |
| Dec 8, 8:33 PM CST | Tornado Watch | SPC | 5 hr |
| Dec 11, 4:46 AM CST | Flash Flood Watch | LIX | 48 hr |
| Dec 13, 3:49 AM CST | Dense Fog Advisory | LIX | 5 hr |
| Dec 13, 3:49 PM CST | Flash Flood Watch | LIX | 50 hr |
| Dec 13, 3:49 PM CST | Dense Fog Advisory | LIX | 17 hr |
| Dec 14, 9:25 AM CST | Dense Fog Advisory | LIX | 95 min |
| Dec 14, 10:08 AM CST | Mesoscale Discussion | SPC | 3 hr |
| Dec 14, 2:53 PM CST | Areal Flood Advisory | LIX | 52 min |
| Dec 14, 3:01 PM CST | Areal Flood Advisory | LIX | 59 min |
| Dec 14, 3:44 PM CST | Flash Flood Warning | LIX | 3 hr |
| Dec 14, 5:57 PM CST | Dense Fog Advisory | LIX | 10 hr |
| Dec 15, 3:22 AM CST | Mesoscale Discussion | SPC | 83 min |
| Dec 15, 7:07 AM CST | Areal Flood Advisory | LIX | 113 min |
| Dec 15, 9:15 AM CST | Areal Flood Advisory | LIX | 2 hr |
| Dec 24, 3:30 AM CST | Mesoscale Discussion | SPC | 2 hr |
| Dec 24, 4:50 AM CST | Tornado Watch | SPC | 7 hr |
| Dec 24, 7:30 AM CST | Mesoscale Discussion | SPC | 90 min |
| Dec 24, 9:34 AM CST | Mesoscale Discussion | SPC | 56 min |
| Dec 24, 10:13 AM CST | Mesoscale Discussion | SPC | 62 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 | 10 |
| Tornado Warning | 2 |
| Severe Thunderstorm Watch | 5 |
| Tornado Watch | 11 |
| Mesoscale Discussion | 39 |
| Flooding | |
| Flash Flood Warning | 3 |
| River Flood Warning | 2 |
| Flash Flood Watch | 4 |
| Areal Flood Advisory | 9 |
| River Flood Advisory | 9 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 1 |
| Heat | |
| Heat Advisory | 7 |
| Cold | |
| Freeze Warning | 3 |
| Hard Freeze Warning | 2 |
| Freeze Watch | 1 |
| Hard Freeze Watch | 2 |
| Wind Chill Advisory | 1 |
| Wind and dust | |
| High Wind Watch | 1 |
| Wind Advisory | 1 |
| 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 archive20082010
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.