Alert archive / Louisiana / Mesoscale Discussions
Mesoscale Discussions in Louisiana, 2011
169 mesoscale discussions in 2011. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of mesoscale discussions reaches back to 2003.
Mesoscale Discussions by county
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Mesoscale Discussions
- 169
- Busiest month
- April35 mesoscale discussions
- Busiest day
- April 15, 20117 mesoscale discussions
Over time
By month
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 |
|---|---|---|---|---|
| Jan 1, 6:06 AM CST | Mesoscale Discussion | SPC | Saint James, Saint John the Baptist, Saint Tammany, Tangipahoa, Washington | 114 min |
| Jan 5, 2:16 AM CST | Mesoscale Discussion | SPC | Calcasieu, Cameron, Vermilion | 89 min |
| Jan 9, 7:09 AM CST | Mesoscale Discussion | SPC | Claiborne, East Carroll, Lincoln, Madison, Morehouse, Ouachita and 4 more | 5 hr |
| Jan 9, 10:55 AM CST | Mesoscale Discussion | SPC | Bossier, Caddo, Claiborne, Lincoln, Union, Webster | 6 hr |
| Jan 18, 3:33 PM CST | Mesoscale Discussion | SPC | Ascension, Assumption, East Baton Rouge, East Feliciana, Iberia, Iberville and 17 more | 87 min |
| Jan 30, 12:47 PM CST | Mesoscale Discussion | SPC | Bossier, Caddo | 118 min |
| Feb 1, 6:46 AM CST | Mesoscale Discussion | SPC | Allen, Avoyelles, Bienville, Bossier, Caddo, Caldwell and 25 more | 119 min |
| Feb 1, 12:00 PM CST | Mesoscale Discussion | SPC | Ascension, Assumption, East Baton Rouge, East Feliciana, Iberia, Iberville and 24 more | 60 min |
| Feb 1, 1:23 PM CST | Mesoscale Discussion | SPC | Ascension, Assumption, East Baton Rouge, Jefferson, Lafourche, Livingston and 12 more | 67 min |
| Feb 3, 12:58 PM CST | Mesoscale Discussion | SPC | Acadia, Allen, Avoyelles, Beauregard, Catahoula, Concordia and 15 more | 5 hr |
| Feb 3, 10:36 PM CST | Mesoscale Discussion | SPC | Acadia, Allen, Avoyelles, Beauregard, Calcasieu, Caldwell and 23 more | 6 hr |
| Feb 4, 5:28 AM CST | Mesoscale Discussion | SPC | Avoyelles, Bienville, Bossier, Caddo, Caldwell, Catahoula and 24 more | 6 hr |
| Feb 6, 8:16 PM CST | Mesoscale Discussion | SPC | Allen, Beauregard, Caldwell, Catahoula, Concordia, East Carroll and 16 more | 119 min |
| Feb 9, 10:03 AM CST | Mesoscale Discussion | SPC | Bossier, Caddo, Claiborne, Lincoln, Morehouse, Union and 2 more | 6 hr |
| Feb 9, 3:03 PM CST | Mesoscale Discussion | SPC | East Carroll, West Carroll | 4 hr |
| Feb 24, 10:34 AM CST | Mesoscale Discussion | SPC | Bossier, Caddo | 56 min |
| Feb 24, 2:39 PM CST | Mesoscale Discussion | SPC | Bienville, Bossier, Caddo, Claiborne, Jackson, Lincoln and 3 more | 66 min |
| Feb 24, 5:26 PM CST | Mesoscale Discussion | SPC | Bienville, Bossier, Caddo, Caldwell, Claiborne, De Soto and 12 more | 94 min |
| Feb 24, 8:11 PM CST | Mesoscale Discussion | SPC | Madison | 64 min |
| Feb 24, 10:38 PM CST | Mesoscale Discussion | SPC | Madison | 97 min |
| Feb 28, 5:28 AM CST | Mesoscale Discussion | SPC | East Carroll, Madison, Morehouse, Ouachita, Richland, West Carroll | 62 min |
| Mar 4, 9:33 PM CST | Mesoscale Discussion | SPC | Saint Tammany, Tangipahoa, Washington | 57 min |
| Mar 5, 8:40 AM CST | Mesoscale Discussion | SPC | Acadia, Ascension, Assumption, East Baton Rouge, East Feliciana, Iberia and 23 more | 65 min |
| Mar 5, 11:12 AM CST | Mesoscale Discussion | SPC | Ascension, Assumption, East Baton Rouge, East Feliciana, Jefferson, Lafourche and 12 more | 93 min |
| Mar 5, 1:31 PM CST | Mesoscale Discussion | SPC | Plaquemines, Saint Bernard | 89 min |
| Mar 8, 9:52 AM CST | Mesoscale Discussion | SPC | Acadia, Allen, Ascension, Assumption, Avoyelles, Bienville and 38 more | 53 min |
| Mar 8, 12:54 PM CST | Mesoscale Discussion | SPC | Acadia, Allen, Ascension, Assumption, Avoyelles, Beauregard and 46 more | 36 min |
| Mar 8, 5:46 PM CST | Mesoscale Discussion | SPC | Acadia, Allen, Ascension, Avoyelles, Beauregard, Calcasieu and 33 more | 59 min |
| Mar 8, 6:27 PM CST | Mesoscale Discussion | SPC | Bienville, Bossier, Caddo, Claiborne, Jackson, Lincoln and 4 more | 63 min |
| Mar 8, 9:40 PM CST | Mesoscale Discussion | SPC | Avoyelles, Bienville, Caldwell, Catahoula, Claiborne, Concordia and 32 more | 65 min |
| Mar 9, 1:28 AM CST | Mesoscale Discussion | SPC | Acadia, Allen, Ascension, Assumption, Avoyelles, Beauregard and 47 more | 92 min |
| Mar 9, 4:39 AM CST | Mesoscale Discussion | SPC | Ascension, Assumption, East Baton Rouge, Iberville, Livingston, Orleans and 9 more | 66 min |
| Mar 9, 6:28 AM CST | Mesoscale Discussion | SPC | Acadia, Allen, Ascension, Assumption, Avoyelles, Beauregard and 47 more | 92 min |
| Mar 9, 9:31 AM CST | Mesoscale Discussion | SPC | Plaquemines, Saint Bernard | 59 min |
| Mar 14, 12:49 PM CDT | Mesoscale Discussion | SPC | Avoyelles, Catahoula, Concordia, East Baton Rouge, East Feliciana, Pointe Coupee and 3 more | 56 min |
| Mar 25, 7:31 PM CDT | Mesoscale Discussion | SPC | Bossier, Caddo, Claiborne, Lincoln, Union, Webster | 89 min |
| Mar 26, 2:41 AM CDT | Mesoscale Discussion | SPC | Bossier, Webster | 2 hr |
| Mar 26, 2:27 PM CDT | Mesoscale Discussion | SPC | Bossier, Claiborne, East Carroll, Lincoln, Morehouse, Union and 2 more | 63 min |
| Mar 26, 4:33 PM CDT | Mesoscale Discussion | SPC | Bienville, Bossier, Caddo, Claiborne, De Soto, Red River and 2 more | 57 min |
| Mar 26, 8:32 PM CDT | Mesoscale Discussion | SPC | Caldwell, East Carroll, Franklin, Jackson, Lincoln, Madison and 5 more | 58 min |
| Mar 26, 9:33 PM CDT | Mesoscale Discussion | SPC | Caldwell, East Carroll, Franklin, Jackson, Lincoln, Madison and 5 more | 27 min |
| Mar 27, 1:41 PM CDT | Mesoscale Discussion | SPC | Bossier, Caddo, Claiborne, Union, Webster | 64 min |
| Mar 29, 2:48 PM CDT | Mesoscale Discussion | SPC | Acadia, Allen, Ascension, Assumption, Beauregard, Calcasieu and 29 more | 87 min |
| Mar 29, 5:26 PM CDT | Mesoscale Discussion | SPC | Bienville, Bossier, Caddo, Caldwell, Claiborne, De Soto and 14 more | 2 hr |
| Mar 29, 6:47 PM CDT | Mesoscale Discussion | SPC | Acadia, Allen, Ascension, Assumption, Avoyelles, Beauregard and 33 more | 118 min |
| Mar 29, 7:40 PM CDT | Mesoscale Discussion | SPC | Bienville, Bossier, Caddo, Caldwell, Claiborne, De Soto and 15 more | 95 min |
| Mar 29, 8:56 PM CDT | Mesoscale Discussion | SPC | Ascension, Assumption, East Baton Rouge, East Feliciana, Iberville, Jefferson and 15 more | 64 min |
| Mar 29, 10:15 PM CDT | Mesoscale Discussion | SPC | Acadia, Allen, Avoyelles, Beauregard, Calcasieu, Cameron and 7 more | 90 min |
| Mar 29, 11:39 PM CDT | Mesoscale Discussion | SPC | Caldwell, Catahoula, Franklin, Grant, LaSalle, Madison and 1 more | 2 hr |
| Apr 4, 10:25 AM CDT | Mesoscale Discussion | SPC | East Carroll, Morehouse, West Carroll | 2 hr |
| Apr 4, 11:20 AM CDT | Mesoscale Discussion | SPC | Beauregard, Bienville, Caldwell, Claiborne, De Soto, Grant and 12 more | 115 min |
| Apr 4, 2:52 PM CDT | Mesoscale Discussion | SPC | Avoyelles, Caldwell, Catahoula, Concordia, Franklin, LaSalle and 4 more | 113 min |
| Apr 4, 4:28 PM CDT | Mesoscale Discussion | SPC | Jefferson, Lafourche, Orleans, Plaquemines, Saint Bernard, Saint Charles and 2 more | 62 min |
| Apr 4, 6:50 PM CDT | Mesoscale Discussion | SPC | Ascension, Assumption, Iberia, Jefferson, Lafourche, Livingston and 10 more | 85 min |
| Apr 11, 4:19 AM CDT | Mesoscale Discussion | SPC | Bossier, Caddo, Webster | 56 min |
| Apr 11, 9:46 AM CDT | Mesoscale Discussion | SPC | Claiborne, East Carroll, Morehouse, Union, West Carroll | 29 min |
| Apr 14, 11:56 PM CDT | Mesoscale Discussion | SPC | Bossier, Caddo, De Soto, Webster | 94 min |
| Apr 15, 1:27 AM CDT | Mesoscale Discussion | SPC | Bienville, Bossier, Claiborne, East Carroll, Jackson, Lincoln and 5 more | 93 min |
| Apr 15, 4:21 AM CDT | Mesoscale Discussion | SPC | Caldwell, Catahoula, Concordia, East Carroll, Franklin, Grant and 6 more | 84 min |
| Apr 15, 10:28 AM CDT | Mesoscale Discussion | SPC | Caldwell, Catahoula, Concordia, East Carroll, Franklin, LaSalle and 4 more | 2 hr |
| Apr 15, 1:30 PM CDT | Mesoscale Discussion | SPC | Avoyelles, Catahoula, Concordia, East Baton Rouge, East Feliciana, Pointe Coupee and 6 more | 2 hr |
| Apr 15, 3:35 PM CDT | Mesoscale Discussion | SPC | Acadia, Ascension, Avoyelles, Concordia, East Baton Rouge, East Feliciana and 15 more | 85 min |
| Apr 15, 6:09 PM CDT | Mesoscale Discussion | SPC | Ascension, Assumption, East Baton Rouge, East Feliciana, Iberia, Iberville and 12 more | 96 min |
| Apr 15, 7:51 PM CDT | Mesoscale Discussion | SPC | Ascension, Assumption, East Baton Rouge, Livingston, Saint Helena, Saint James and 4 more | 54 min |
| Apr 19, 11:17 PM CDT | Mesoscale Discussion | SPC | Bossier, Caddo, Webster | 58 min |
| Apr 20, 12:46 PM CDT | Mesoscale Discussion | SPC | Claiborne, East Carroll, Morehouse, Union, West Carroll | 89 min |
| Apr 20, 10:22 PM CDT | Mesoscale Discussion | SPC | West Carroll | 83 min |
| Apr 21, 10:00 AM CDT | Mesoscale Discussion | SPC | Caldwell, Catahoula, Concordia, Franklin, Jackson, LaSalle and 4 more | 90 min |
| Apr 25, 7:23 AM CDT | Mesoscale Discussion | SPC | Bossier, Caddo, Claiborne, Webster | 97 min |
| Apr 25, 10:46 AM CDT | Mesoscale Discussion | SPC | Bossier, Caddo, De Soto | 59 min |
| Apr 25, 3:08 PM CDT | Mesoscale Discussion | SPC | Bienville, Claiborne, Lincoln, Ouachita, Union, Webster | 37 min |
| Apr 25, 7:34 PM CDT | Mesoscale Discussion | SPC | Bossier, Claiborne, Lincoln, Union, Webster | 116 min |
| Apr 25, 9:37 PM CDT | Mesoscale Discussion | SPC | De Soto, Sabine | 83 min |
| Apr 25, 11:05 PM CDT | Mesoscale Discussion | SPC | East Carroll, Morehouse, West Carroll | 115 min |
| Apr 26, 1:34 AM CDT | Mesoscale Discussion | SPC | Allen, Beauregard, Calcasieu, Evangeline, Jefferson Davis, Rapides and 1 more | 86 min |
| Apr 26, 1:11 PM CDT | Mesoscale Discussion | SPC | Bienville, Bossier, Caddo, Claiborne, De Soto, Jackson and 5 more | 2 hr |
| Apr 26, 3:59 PM CDT | Mesoscale Discussion | SPC | Bossier, Caddo, Claiborne, Union, Webster | 91 min |
| Apr 26, 6:43 PM CDT | Mesoscale Discussion | SPC | Beauregard, Bienville, Bossier, Caddo, Caldwell, Claiborne and 13 more | 2 hr |
| Apr 26, 7:59 PM CDT | Mesoscale Discussion | SPC | Catahoula, East Carroll, Franklin, Madison, Morehouse, Richland and 2 more | 2 hr |
| Apr 26, 8:53 PM CDT | Mesoscale Discussion | SPC | Beauregard, Bienville, Bossier, Caddo, Claiborne, De Soto and 12 more | 97 min |
| Apr 26, 11:33 PM CDT | Mesoscale Discussion | SPC | Beauregard, Bienville, Caldwell, Catahoula, Concordia, De Soto and 19 more | 117 min |
| Apr 27, 3:29 AM CDT | Mesoscale Discussion | SPC | Bossier, Caddo | 2 hr |
| Apr 27, 9:48 AM CDT | Mesoscale Discussion | SPC | Bienville, Bossier, Caddo, Caldwell, Claiborne, De Soto and 14 more | 27 min |
| Apr 27, 10:45 AM CDT | Mesoscale Discussion | SPC | Concordia, East Carroll, Franklin, Madison, Richland, Tensas and 1 more | 90 min |
| May 1, 12:12 PM CDT | Mesoscale Discussion | SPC | Bienville, Bossier, Caddo, Claiborne, De Soto, Lincoln and 3 more | 93 min |
| May 1, 3:18 PM CDT | Mesoscale Discussion | SPC | Bossier, Caddo, Claiborne, De Soto, Union, Webster | 87 min |
| May 1, 5:43 PM CDT | Mesoscale Discussion | SPC | Bossier, Caddo, Claiborne, De Soto, Union, Webster | 92 min |
| May 1, 8:10 PM CDT | Mesoscale Discussion | SPC | Bossier, Caddo, Claiborne, De Soto, Webster | 35 min |
| May 2, 1:51 PM CDT | Mesoscale Discussion | SPC | Acadia, Allen, Ascension, Avoyelles, Beauregard, Bienville and 38 more | 2 hr |
| May 13, 7:58 PM CDT | Mesoscale Discussion | SPC | East Feliciana, Saint Helena, Washington, West Feliciana | 62 min |
| May 20, 10:30 AM CDT | Mesoscale Discussion | SPC | Bossier, Caddo, Claiborne, Webster | 60 min |
| May 20, 1:28 PM CDT | Mesoscale Discussion | SPC | Bossier, Caddo, Claiborne, Webster | 62 min |
| May 20, 4:00 PM CDT | Mesoscale Discussion | SPC | Bossier, Caddo, Claiborne, Webster | 60 min |
| May 20, 9:06 PM CDT | Mesoscale Discussion | SPC | Bossier, Caddo, De Soto, Webster | 114 min |
| May 21, 3:38 PM CDT | Mesoscale Discussion | SPC | Bienville, Bossier, Caldwell, Catahoula, Claiborne, Franklin and 10 more | 97 min |
| May 23, 9:57 AM CDT | Mesoscale Discussion | SPC | Bossier, Caddo | 33 min |
| May 23, 12:10 PM CDT | Mesoscale Discussion | SPC | Bossier, Caddo, Claiborne, De Soto, Red River, Webster | 65 min |
| May 25, 1:53 PM CDT | Mesoscale Discussion | SPC | Bossier, Caddo, Claiborne, Webster | 2 hr |
| May 25, 7:22 PM CDT | Mesoscale Discussion | SPC | Union | 53 min |
| May 25, 7:45 PM CDT | Mesoscale Discussion | SPC | Bienville, Caldwell, De Soto, Grant, Jackson, Lincoln and 9 more | 60 min |
| May 26, 2:05 AM CDT | Mesoscale Discussion | SPC | Ascension, East Baton Rouge, East Feliciana, Iberville, Livingston, Orleans and 10 more | 85 min |
| May 26, 5:18 PM CDT | Mesoscale Discussion | SPC | Orleans, Saint Bernard, Saint Tammany | 57 min |
| Jun 2, 7:42 PM CDT | Mesoscale Discussion | SPC | Allen, Avoyelles, Beauregard, Catahoula, Concordia, Evangeline and 6 more | 93 min |
| Jun 3, 5:32 PM CDT | Mesoscale Discussion | SPC | Catahoula, Concordia, East Carroll, Franklin, Madison, Saint Helena and 2 more | 118 min |
| Jun 4, 6:03 PM CDT | Mesoscale Discussion | SPC | Acadia, Allen, Ascension, Assumption, Avoyelles, Beauregard and 39 more | 117 min |
| Jun 5, 11:01 AM CDT | Mesoscale Discussion | SPC | Acadia, Ascension, Assumption, East Baton Rouge, Iberia, Iberville and 16 more | 89 min |
| Jun 5, 5:35 PM CDT | Mesoscale Discussion | SPC | Beauregard, Bienville, Bossier, Caddo, De Soto, Natchitoches and 4 more | 115 min |
| Jun 5, 6:13 PM CDT | Mesoscale Discussion | SPC | Ascension, Avoyelles, Caldwell, Catahoula, Concordia, East Baton Rouge and 27 more | 2 hr |
| Jun 6, 2:05 PM CDT | Mesoscale Discussion | SPC | Acadia, Allen, Beauregard, Calcasieu, Evangeline, Jefferson Davis and 1 more | 55 min |
| Jun 6, 5:09 PM CDT | Mesoscale Discussion | SPC | Acadia, Ascension, Assumption, Avoyelles, East Baton Rouge, East Feliciana and 21 more | 2 hr |
| Jun 7, 2:01 PM CDT | Mesoscale Discussion | SPC | Washington | 59 min |
| Jun 7, 6:04 PM CDT | Mesoscale Discussion | SPC | Avoyelles, Caldwell, Catahoula, Concordia, East Carroll, East Feliciana and 14 more | 116 min |
| Jun 13, 1:32 PM CDT | Mesoscale Discussion | SPC | East Carroll, Livingston, Orleans, Saint Helena, Saint John the Baptist, Saint Tammany and 2 more | 58 min |
| Jun 13, 5:59 PM CDT | Mesoscale Discussion | SPC | East Carroll, Madison, Tensas, West Carroll | 61 min |
| Jun 21, 11:58 AM CDT | Mesoscale Discussion | SPC | Avoyelles, Catahoula, Concordia, East Carroll, Franklin, LaSalle and 3 more | 62 min |
| Jun 21, 3:43 PM CDT | Mesoscale Discussion | SPC | Bossier, Caddo, De Soto, Red River, Webster | 62 min |
| Jun 21, 6:59 PM CDT | Mesoscale Discussion | SPC | Beauregard, Sabine | 61 min |
| Jun 28, 9:52 AM CDT | Mesoscale Discussion | SPC | Caldwell, Concordia, East Carroll, Franklin, Madison, Morehouse and 5 more | 113 min |
| Jun 28, 11:42 AM CDT | Mesoscale Discussion | SPC | Bienville, Bossier, Caddo, Caldwell, Claiborne, Jackson and 4 more | 93 min |
| Jun 28, 3:09 PM CDT | Mesoscale Discussion | SPC | Claiborne, Lincoln, Morehouse, Union, Webster | 96 min |
| Jun 28, 3:19 PM CDT | Mesoscale Discussion | SPC | Concordia, Tensas | 116 min |
| Jun 28, 6:09 PM CDT | Mesoscale Discussion | SPC | Bossier, Caddo, Claiborne, Lincoln, Union, Webster | 96 min |
| Jun 30, 12:47 PM CDT | Mesoscale Discussion | SPC | Bossier, Caddo, Claiborne, Webster | 2 hr |
| Jun 30, 2:28 PM CDT | Mesoscale Discussion | SPC | Acadia, Allen, Ascension, Assumption, Avoyelles, Caldwell and 40 more | 3 hr |
| Jul 2, 12:58 PM CDT | Mesoscale Discussion | SPC | East Feliciana, Saint Helena, Washington | 2 hr |
| Aug 12, 2:05 PM CDT | Mesoscale Discussion | SPC | Catahoula, Concordia, East Feliciana, Franklin, LaSalle, Madison and 4 more | 115 min |
| Aug 13, 1:57 PM CDT | Mesoscale Discussion | SPC | Concordia, East Feliciana, Franklin, Madison, Saint Helena, Tangipahoa and 2 more | 2 hr |
| Aug 18, 1:04 PM CDT | Mesoscale Discussion | SPC | Ascension, Assumption, Concordia, East Baton Rouge, East Feliciana, Franklin and 20 more | 116 min |
| Aug 18, 3:46 PM CDT | Mesoscale Discussion | SPC | Bienville, Bossier, Caddo, Caldwell, De Soto, Grant and 10 more | 89 min |
| Aug 23, 4:40 PM CDT | Mesoscale Discussion | SPC | Acadia, Allen, Ascension, Avoyelles, Beauregard, Bienville and 39 more | 35 min |
| Aug 24, 12:06 PM CDT | Mesoscale Discussion | SPC | Bienville, Bossier, Caddo, Caldwell, Claiborne, De Soto and 12 more | 114 min |
| Aug 24, 3:50 PM CDT | Mesoscale Discussion | SPC | Grant, LaSalle, Natchitoches, Rapides, Sabine, Vernon | 85 min |
| Sep 2, 11:32 PM CDT | Mesoscale Discussion | SPC | Ascension, Assumption, East Baton Rouge, Iberia, Iberville, Jefferson and 15 more | 118 min |
| Sep 3, 7:46 AM CDT | Mesoscale Discussion | SPC | Jefferson, Lafourche, Orleans, Plaquemines, Saint Bernard, Saint Charles and 3 more | 119 min |
| Sep 3, 1:41 PM CDT | Mesoscale Discussion | SPC | Acadia, Ascension, Assumption, East Baton Rouge, East Feliciana, Evangeline and 25 more | 64 min |
| Sep 3, 5:57 PM CDT | Mesoscale Discussion | SPC | Acadia, Allen, Ascension, Assumption, Avoyelles, Concordia and 28 more | 2 hr |
| Sep 3, 11:35 PM CDT | Mesoscale Discussion | SPC | Acadia, Ascension, Assumption, Avoyelles, Concordia, East Baton Rouge and 25 more | 115 min |
| Sep 4, 4:30 AM CDT | Mesoscale Discussion | SPC | Ascension, East Baton Rouge, East Feliciana, Jefferson, Lafourche, Livingston and 10 more | 60 min |
| Sep 4, 9:50 AM CDT | Mesoscale Discussion | SPC | Ascension, Assumption, Catahoula, Concordia, East Baton Rouge, East Feliciana and 20 more | 85 min |
| Sep 4, 2:47 PM CDT | Mesoscale Discussion | SPC | Ascension, Assumption, East Baton Rouge, East Feliciana, Jefferson, Lafourche and 11 more | 88 min |
| Sep 4, 6:29 PM CDT | Mesoscale Discussion | SPC | Jefferson, Lafourche, Orleans, Plaquemines, Saint Bernard, Saint Charles and 4 more | 2 hr |
| Sep 4, 11:35 PM CDT | Mesoscale Discussion | SPC | Jefferson, Lafourche, Orleans, Plaquemines, Saint Bernard, Saint Tammany and 1 more | 115 min |
| Sep 11, 5:00 PM CDT | Mesoscale Discussion | SPC | East Carroll, Franklin, Madison, Tensas, West Carroll | 90 min |
| Sep 18, 10:31 PM CDT | Mesoscale Discussion | SPC | Bossier, Caddo, Claiborne, De Soto, Webster | 59 min |
| Sep 27, 1:36 AM CDT | Mesoscale Discussion | SPC | East Carroll, Morehouse, West Carroll | 114 min |
| Sep 28, 12:10 PM CDT | Mesoscale Discussion | SPC | Acadia, Allen, Ascension, Assumption, Avoyelles, Beauregard and 30 more | 2 hr |
| Sep 28, 5:19 PM CDT | Mesoscale Discussion | SPC | Acadia, Allen, Ascension, Assumption, Avoyelles, Beauregard and 26 more | 86 min |
| Sep 28, 9:41 PM CDT | Mesoscale Discussion | SPC | Acadia, Allen, Ascension, Assumption, Avoyelles, Beauregard and 26 more | 94 min |
| Oct 12, 1:56 PM CDT | Mesoscale Discussion | SPC | Avoyelles, Caldwell, Catahoula, Concordia, East Carroll, Franklin and 11 more | 64 min |
| Oct 23, 1:29 AM CDT | Mesoscale Discussion | SPC | Bossier, Caddo | 61 min |
| Nov 8, 10:31 AM CST | Mesoscale Discussion | SPC | Bossier, Caddo, De Soto, Webster | 29 min |
| Nov 8, 1:03 PM CST | Mesoscale Discussion | SPC | Bossier, Caddo, Claiborne, De Soto, Red River, Sabine and 1 more | 57 min |
| Nov 8, 3:48 PM CST | Mesoscale Discussion | SPC | Bossier, Caddo | 87 min |
| Nov 8, 5:09 PM CST | Mesoscale Discussion | SPC | Allen, Beauregard, Bienville, Bossier, Caddo, Calcasieu and 18 more | 66 min |
| Nov 8, 9:21 PM CST | Mesoscale Discussion | SPC | Allen, Avoyelles, Beauregard, Calcasieu, Caldwell, Catahoula and 16 more | 84 min |
| Nov 8, 11:18 PM CST | Mesoscale Discussion | SPC | Acadia, Avoyelles, Catahoula, Concordia, East Carroll, Evangeline and 10 more | 57 min |
| Nov 15, 2:30 PM CST | Mesoscale Discussion | SPC | Allen, Beauregard, Calcasieu, Cameron, De Soto, Natchitoches and 3 more | 2 hr |
| Nov 15, 5:44 PM CST | Mesoscale Discussion | SPC | Acadia, Allen, Avoyelles, Beauregard, Calcasieu, Cameron and 18 more | 61 min |
| Nov 15, 8:59 PM CST | Mesoscale Discussion | SPC | Acadia, Ascension, Assumption, Avoyelles, Catahoula, Concordia and 25 more | 2 hr |
| Nov 16, 5:33 AM CST | Mesoscale Discussion | SPC | Jefferson, Lafourche, Orleans, Saint Bernard, Saint Charles, Saint James and 5 more | 87 min |
| Nov 22, 10:26 AM CST | Mesoscale Discussion | SPC | Acadia, Ascension, Assumption, Cameron, East Baton Rouge, East Feliciana and 18 more | 94 min |
| Nov 26, 3:44 PM CST | Mesoscale Discussion | SPC | Acadia, Avoyelles, Catahoula, Concordia, East Carroll, Evangeline and 9 more | 91 min |
| Nov 26, 6:04 PM CST | Mesoscale Discussion | SPC | Ascension, Assumption, East Baton Rouge, East Feliciana, Iberville, Livingston and 12 more | 56 min |
| Dec 20, 11:25 AM CST | Mesoscale Discussion | SPC | Acadia, Ascension, Assumption, Avoyelles, Concordia, East Baton Rouge and 26 more | 2 hr |
| Dec 20, 5:11 PM CST | Mesoscale Discussion | SPC | Ascension, East Baton Rouge, East Feliciana, Iberville, Livingston, Saint Helena and 5 more | 2 hr |
| Dec 22, 4:11 AM CST | Mesoscale Discussion | SPC | Acadia, Allen, Ascension, Assumption, Avoyelles, Calcasieu and 32 more | 34 min |
| Dec 22, 7:50 AM CST | Mesoscale Discussion | SPC | Ascension, Assumption, East Baton Rouge, East Feliciana, Iberia, Iberville and 19 more | 55 min |
| Dec 22, 9:32 AM CST | Mesoscale Discussion | SPC | Saint Bernard | 58 min |
| Dec 22, 2:51 PM CST | Mesoscale Discussion | SPC | Saint Tammany | 54 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Washington Parish58
- Bossier Parish57
- Saint Tammany Parish53
- Webster Parish53
- Saint Helena Parish52
- Tangipahoa Parish51
- Caddo Parish51
- Union Parish49
- Concordia Parish48
- Claiborne Parish47
- East Baton Rouge Parish47
- East Feliciana Parish47
- Madison Parish46
- Livingston Parish46
- Tensas Parish46
- Saint John the Baptist Parish45
- Ascension Parish44
- East Carroll Parish43
- West Carroll Parish43
- West Feliciana Parish43
- Saint James Parish42
- Lincoln Parish42
- Franklin Parish42
- Orleans Parish41
- West Baton Rouge Parish40
- Catahoula Parish40
- Pointe Coupee Parish40
- Ouachita Parish39
- Iberville Parish39
- Caldwell Parish39
- Morehouse Parish38
- Avoyelles Parish38
- Jackson Parish38
- Saint Charles Parish37
- Evangeline Parish37
- Rapides Parish37
- Richland Parish36
- Assumption Parish36
- De Soto Parish36
- LaSalle Parish36
24 more counties
- Saint Landry Parish36
- Saint Martin Parish35
- Lafayette Parish35
- Saint Bernard Parish34
- Vernon Parish33
- Bienville Parish32
- Acadia Parish32
- Grant Parish31
- Red River Parish31
- Winn Parish31
- Jefferson Parish30
- Lafourche Parish29
- Beauregard Parish29
- Allen Parish28
- Sabine Parish28
- Natchitoches Parish27
- Jefferson Davis Parish27
- St. Mary Parish23
- Terrebonne Parish22
- Calcasieu Parish21
- Iberia Parish21
- Plaquemines Parish21
- Vermilion Parish19
- Cameron Parish10
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
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.