Alert archive / Louisiana / 2009
Weather alerts in Louisiana, September 2009
105 weather alerts in September 2009, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in September 2009. Tap one for its archive.
- Alerts
- 105
- Warnings
- 61
- Watches
- 6
- Advisories
- 35
- Busiest day
- September 13, 200914 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
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 | Counties | Lasted |
|---|---|---|---|---|
| Sep 1, 11:40 PM CDT | Small Craft Advisory | LIX | 5 hr | |
| Sep 4, 8:10 AM CDT | Special Marine Warning | LIX | 65 min | |
| Sep 6, 10:56 AM CDT | Special Marine Warning | LIX | 64 min | |
| Sep 6, 11:37 AM CDT | Areal Flood Advisory | LIX | Saint Tammany | 113 min |
| Sep 6, 12:51 PM CDT | Flash Flood Warning | LIX | Jefferson, Orleans, Plaquemines, Saint Bernard | 74 min |
| Sep 6, 3:03 PM CDT | Areal Flood Advisory | LIX | Tangipahoa | 117 min |
| Sep 6, 3:08 PM CDT | Areal Flood Advisory | LIX | Washington | 112 min |
| Sep 6, 3:23 PM CDT | Areal Flood Advisory | LIX | Lafourche, Saint Charles, Saint James, Saint John the Baptist | 112 min |
| Sep 6, 3:37 PM CDT | Areal Flood Advisory | LIX | Ascension, Livingston, Saint James | 113 min |
| Sep 6, 3:53 PM CDT | Areal Flood Advisory | LIX | Saint Tammany | 112 min |
| Sep 6, 5:18 PM CDT | Areal Flood Advisory | LIX | Ascension, Assumption, Iberville, West Baton Rouge | 102 min |
| Sep 7, 12:46 AM CDT | Dense Fog Advisory | LIX | East Baton Rouge, Saint James, Saint John the Baptist | 7 hr |
| Sep 9, 2:29 PM CDT | Areal Flood Advisory | LIX | Jefferson, Orleans | 106 min |
| Sep 9, 7:42 PM CDT | Areal Flood Advisory | SHV | Ouachita | 48 min |
| Sep 10, 7:37 AM CDT | Coastal Flood Statement | LIX | Saint Bernard | 56 hr |
| Sep 10, 12:57 PM CDT | Areal Flood Advisory | LIX | Jefferson | 108 min |
| Sep 11, 5:15 AM CDT | Coastal Flood Statement | LCH | 3 days | |
| Sep 11, 1:12 PM CDT | Areal Flood Advisory | LIX | Assumption, Jefferson, Lafourche, Orleans, Plaquemines, Saint Bernard and 4 more | 3 hr |
| Sep 11, 1:37 PM CDT | Special Marine Warning | LIX | 38 min | |
| Sep 11, 2:11 PM CDT | Special Marine Warning | LIX | 49 min | |
| Sep 11, 2:25 PM CDT | Special Marine Warning | LIX | 35 min | |
| Sep 11, 3:25 PM CDT | Flash Flood Watch | SHV | Bienville, Bossier, Caddo, Caldwell, Claiborne, De Soto and 11 more | 43 hr |
| Sep 11, 3:52 PM CDT | Flash Flood Watch | LIX | Assumption, East Baton Rouge, Iberville, Saint Bernard, Saint James, Saint John the Baptist and 1 more | 31 hr |
| Sep 11, 7:03 PM CDT | Special Marine Warning | LIX | 57 min | |
| Sep 12, 1:45 AM CDT | Small Craft Advisory | LIX | 17 hr | |
| Sep 12, 5:40 AM CDT | Special Marine Warning | LCH | 110 min | |
| Sep 12, 8:25 AM CDT | Special Marine Warning | LIX | 65 min | |
| Sep 12, 9:02 AM CDT | Special Marine Warning | LIX | 13 min | |
| Sep 12, 9:33 AM CDT | Special Marine Warning | LIX | 87 min | |
| Sep 12, 11:03 AM CDT | Special Marine Warning | LIX | 57 min | |
| Sep 12, 5:21 PM CDT | Special Marine Warning | LIX | 39 min | |
| Sep 12, 5:41 PM CDT | Tornado Warning | LIX | Saint John the Baptist | 19 min |
| Sep 12, 5:59 PM CDT | Special Marine Warning | LIX | 33 min | |
| Sep 12, 6:40 PM CDT | Special Marine Warning | LIX | 65 min | |
| Sep 13, 11:24 AM CDT | Tornado Warning | LIX | Tangipahoa | 21 min |
| Sep 13, 11:57 AM CDT | Special Marine Warning | LIX | 63 min | |
| Sep 13, 12:06 PM CDT | Flash Flood Warning | LIX | Jefferson, Orleans, Plaquemines, Saint Bernard | 3 hr |
| Sep 13, 12:18 PM CDT | Areal Flood Advisory | LIX | East Baton Rouge, East Feliciana, Livingston, Saint Helena, Saint Tammany, Tangipahoa and 1 more | 117 min |
| Sep 13, 12:33 PM CDT | Special Marine Warning | LIX | 57 min | |
| Sep 13, 1:14 PM CDT | Areal Flood Advisory | LIX | Washington | 2 hr |
| Sep 13, 1:18 PM CDT | Special Marine Warning | LIX | 57 min | |
| Sep 13, 1:43 PM CDT | Special Marine Warning | LIX | 62 min | |
| Sep 13, 1:46 PM CDT | Special Marine Warning | LIX | 44 min | |
| Sep 13, 2:21 PM CDT | Special Marine Warning | LIX | 36 min | |
| Sep 13, 2:43 PM CDT | Special Marine Warning | LIX | 47 min | |
| Sep 13, 2:59 PM CDT | Special Marine Warning | LIX | 46 min | |
| Sep 13, 3:41 PM CDT | Special Marine Warning | LIX | 34 min | |
| Sep 13, 4:25 PM CDT | Special Marine Warning | LIX | 50 min | |
| Sep 13, 7:09 PM CDT | Severe Thunderstorm Warning | LCH | Beauregard | 66 min |
| Sep 13, 9:17 PM CDT | Special Marine Warning | LIX | 58 min | |
| Sep 13, 11:49 PM CDT | Special Marine Warning | LIX | 56 min | |
| Sep 14, 1:01 AM CDT | Special Marine Warning | LIX | 89 min | |
| Sep 14, 3:59 AM CDT | Special Marine Warning | LIX | 61 min | |
| Sep 14, 5:09 AM CDT | Flash Flood Watch | SHV | Bienville, Bossier, Caddo, Claiborne, Jackson, Lincoln and 3 more | 47 hr |
| Sep 14, 10:51 AM CDT | Small Craft Advisory | LIX | 5 hr | |
| Sep 14, 3:18 PM CDT | Special Marine Warning | LIX | 42 min | |
| Sep 14, 3:37 PM CDT | Flash Flood Warning | SHV | Caddo | 4 hr |
| Sep 14, 4:26 PM CDT | Areal Flood Advisory | SHV | Claiborne, Lincoln, Union, Webster | 2 hr |
| Sep 14, 5:05 PM CDT | Areal Flood Advisory | SHV | Bossier | 115 min |
| Sep 14, 5:35 PM CDT | Severe Thunderstorm Warning | SHV | Union | 55 min |
| Sep 14, 5:37 PM CDT | Flash Flood Warning | SHV | Union | 3 hr |
| Sep 14, 6:37 PM CDT | Areal Flood Advisory | SHV | Ouachita, Union | 53 min |
| Sep 14, 7:20 PM CDT | Flash Flood Warning | SHV | Ouachita | 3 hr |
| Sep 14, 8:09 PM CDT | Areal Flood Advisory | SHV | Bienville, De Soto, Grant, Jackson, Lincoln, Natchitoches and 4 more | 111 min |
| Sep 14, 11:22 PM CDT | Areal Flood Advisory | SHV | Jackson, Lincoln, Ouachita, Union | 53 min |
| Sep 15, 1:47 AM CDT | Areal Flood Advisory | SHV | Ouachita, Union | 3 hr |
| Sep 15, 3:02 AM CDT | Flash Flood Warning | SHV | Ouachita | 3 hr |
| Sep 15, 3:44 AM CDT | Flash Flood Watch | JAN | East Carroll, Franklin, Madison, Morehouse, Richland, West Carroll | 4 days |
| Sep 15, 4:47 AM CDT | Areal Flood Advisory | SHV | Union | 3 hr |
| Sep 15, 7:46 AM CDT | Areal Flood Advisory | SHV | Claiborne, Union | 3 hr |
| Sep 15, 10:01 AM CDT | River Flood Warning | SHV | Webster | 14 days |
| Sep 15, 11:15 AM CDT | Areal Flood Advisory | SHV | Claiborne | 2 hr |
| Sep 15, 3:04 PM CDT | Mesoscale Discussion | SPC | Claiborne | 2 hr |
| Sep 16, 4:06 AM CDT | Special Marine Warning | LIX | 54 min | |
| Sep 16, 4:29 AM CDT | Flash Flood Watch | SHV | Bienville, Bossier, Caddo, Caldwell, Claiborne, Jackson and 4 more | 59 hr |
| Sep 16, 5:10 AM CDT | Special Marine Warning | LIX | 65 min | |
| Sep 16, 6:50 AM CDT | Special Marine Warning | LIX | 55 min | |
| Sep 17, 1:33 AM CDT | Special Marine Warning | LIX | 87 min | |
| Sep 17, 5:57 AM CDT | Areal Flood Advisory | SHV | Lincoln | 2 hr |
| Sep 17, 7:26 PM CDT | Flash Flood Warning | SHV | Union | 8 hr |
| Sep 17, 9:33 PM CDT | Flash Flood Warning | JAN | Morehouse | 117 min |
| Sep 18, 9:42 AM CDT | Special Marine Warning | LIX | 33 min | |
| Sep 18, 10:26 AM CDT | Areal Flood Advisory | SHV | Claiborne | 109 min |
| Sep 18, 1:35 PM CDT | Tornado Warning | LIX | East Baton Rouge, West Baton Rouge | 25 min |
| Sep 18, 6:45 PM CDT | Areal Flood Advisory | SHV | Ouachita | 2 hr |
| Sep 21, 9:07 AM CDT | Special Marine Warning | LIX | 53 min | |
| Sep 21, 5:04 PM CDT | Severe Thunderstorm Warning | JAN | Catahoula, Concordia | 30 min |
| Sep 22, 3:59 AM CDT | Flash Flood Watch | JAN | Catahoula, Concordia, East Carroll, Franklin, Madison, Morehouse and 3 more | 15 hr |
| Sep 22, 11:58 AM CDT | Special Marine Warning | LIX | 62 min | |
| Sep 22, 12:59 PM CDT | Special Marine Warning | LCH | 61 min | |
| Sep 23, 12:20 AM CDT | Special Marine Warning | LIX | 55 min | |
| Sep 23, 3:08 PM CDT | Areal Flood Advisory | LIX | Livingston | 112 min |
| Sep 23, 4:27 PM CDT | Areal Flood Advisory | LIX | East Baton Rouge, Iberville, Pointe Coupee, West Baton Rouge | 2 hr |
| Sep 24, 3:47 PM CDT | Special Marine Warning | LIX | 43 min | |
| Sep 24, 4:31 PM CDT | Special Marine Warning | LIX | 59 min | |
| Sep 26, 6:39 AM CDT | Special Marine Warning | LIX | 51 min | |
| Sep 26, 7:13 AM CDT | Special Marine Warning | LIX | 62 min | |
| Sep 26, 11:32 AM CDT | Special Marine Warning | LIX | 28 min | |
| Sep 26, 4:25 PM CDT | Special Marine Warning | LIX | 65 min | |
| Sep 27, 5:13 AM CDT | Dense Fog Advisory | LCH | 4 hr | |
| Sep 27, 5:17 AM CDT | Marine Dense Fog Advisory | LCH | 4 hr | |
| Sep 28, 3:18 PM CDT | Areal Flood Advisory | LCH | Calcasieu | 3 hr |
| Sep 28, 10:04 PM CDT | Small Craft Advisory | LIX | 14 hr | |
| Sep 28, 10:51 PM CDT | Special Marine Warning | LIX | 24 min | |
| Sep 28, 10:55 PM CDT | Special Marine Warning | LIX | 51 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 | 3 |
| Tornado Warning | 3 |
| Mesoscale Discussion | 1 |
| Flooding | |
| Flash Flood Warning | 8 |
| River Flood Warning | 1 |
| Flash Flood Watch | 6 |
| Areal Flood Advisory | 28 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
| Coast and beach | |
| Coastal Flood Statement | 2 |
| Marine | |
| Special Marine Warning | 46 |
| Marine Dense Fog Advisory | 1 |
| Small Craft Advisory | 4 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Union Parish12
- Ouachita Parish10
- Claiborne Parish8
- Lincoln Parish7
- Webster Parish6
- Jefferson Parish5
- Saint Bernard Parish5
- Saint James Parish5
- Saint John the Baptist Parish5
- East Baton Rouge Parish5
- Jackson Parish5
- Orleans Parish4
- West Baton Rouge Parish4
- Bienville Parish4
- Bossier Parish4
- Caddo Parish4
- Saint Tammany Parish3
- Plaquemines Parish3
- Tangipahoa Parish3
- Washington Parish3
- Livingston Parish3
- Assumption Parish3
- Iberville Parish3
- Morehouse Parish3
- Lafourche Parish2
- Saint Charles Parish2
- Ascension Parish2
- Caldwell Parish2
- De Soto Parish2
- Grant Parish2
- Natchitoches Parish2
- Red River Parish2
- Sabine Parish2
- Winn Parish2
- East Carroll Parish2
- Franklin Parish2
- Madison Parish2
- Richland Parish2
- West Carroll Parish2
- Catahoula Parish2
Nearby
Alerts in force nowTornadoes on recordThe 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.