Alert archive / Louisiana / Mesoscale Discussions
Mesoscale Discussions in Louisiana, 2017
154 mesoscale discussions in 2017. 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 2017. Tap one for its archive.
- Mesoscale Discussions
- 154
- Busiest month
- April32 mesoscale discussions
- Busiest day
- January 21, 20179 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 2, 2:06 AM CST | Mesoscale Discussion | SPC | Acadia, Allen, Avoyelles, Beauregard, Bienville, Calcasieu and 23 more | 114 min |
| Jan 2, 5:35 AM CST | Mesoscale Discussion | SPC | Acadia, Allen, Beauregard, Bienville, Bossier, Caddo and 18 more | 85 min |
| Jan 2, 7:48 AM CST | Mesoscale Discussion | SPC | Acadia, Allen, Beauregard, Bienville, Bossier, Caddo and 19 more | 57 min |
| Jan 2, 10:17 AM CST | Mesoscale Discussion | SPC | Ascension, Concordia, East Baton Rouge, East Feliciana, Livingston, Orleans and 10 more | 118 min |
| Jan 2, 11:09 AM CST | Mesoscale Discussion | SPC | Acadia, Allen, Avoyelles, Caldwell, Cameron, Evangeline and 12 more | 96 min |
| Jan 2, 2:03 PM CST | Mesoscale Discussion | SPC | Jefferson, Lafourche, Orleans, Plaquemines, Saint Bernard, Saint Charles and 6 more | 117 min |
| Jan 6, 5:24 AM CST | Mesoscale Discussion | SPC | Caldwell, East Carroll, Franklin, Madison, Ouachita, Richland and 2 more | 4 hr |
| Jan 6, 4:15 PM CST | Mesoscale Discussion | SPC | Avoyelles, Catahoula, Concordia, Evangeline, Grant, LaSalle and 4 more | 4 hr |
| Jan 16, 2:02 PM CST | Mesoscale Discussion | SPC | Bienville, Bossier, Caddo, Claiborne, Jackson, Lincoln and 3 more | 118 min |
| Jan 18, 2:41 PM CST | Mesoscale Discussion | SPC | Beauregard, Calcasieu | 3 hr |
| Jan 18, 6:06 PM CST | Mesoscale Discussion | SPC | Catahoula, Franklin, Grant, LaSalle, Tensas | 114 min |
| Jan 18, 11:56 PM CST | Mesoscale Discussion | SPC | Acadia, Allen, Avoyelles, Catahoula, Concordia, Evangeline and 5 more | 2 hr |
| Jan 19, 6:28 AM CST | Mesoscale Discussion | SPC | Ascension, Assumption, Concordia, East Baton Rouge, East Feliciana, Iberville and 9 more | 2 hr |
| Jan 19, 3:10 PM CST | Mesoscale Discussion | SPC | Plaquemines, Saint Bernard | 2 hr |
| Jan 20, 6:37 PM CST | Mesoscale Discussion | SPC | Acadia, Allen, Beauregard, Calcasieu, Cameron, Evangeline and 3 more | 113 min |
| Jan 20, 10:04 PM CST | Mesoscale Discussion | SPC | Acadia, Allen, Avoyelles, Calcasieu, Cameron, Evangeline and 7 more | 116 min |
| Jan 20, 10:44 PM CST | Mesoscale Discussion | SPC | Ascension, Assumption, East Baton Rouge, East Feliciana, Jefferson, Lafourche and 12 more | 61 min |
| Jan 21, 1:41 AM CST | Mesoscale Discussion | SPC | Acadia, Avoyelles, Cameron, Evangeline, Iberia, Jefferson Davis and 5 more | 64 min |
| Jan 21, 2:55 AM CST | Mesoscale Discussion | SPC | Ascension, Assumption, East Baton Rouge, East Feliciana, Iberville, Jefferson and 16 more | 2 hr |
| Jan 21, 6:35 AM CST | Mesoscale Discussion | SPC | Jefferson, Lafourche, Orleans, Plaquemines, Saint Bernard, Saint Charles and 1 more | 55 min |
| Jan 21, 2:33 PM CST | Mesoscale Discussion | SPC | Bienville, Bossier, Caddo, Claiborne, De Soto, Jackson and 8 more | 2 hr |
| Jan 21, 2:34 PM CST | Mesoscale Discussion | SPC | Allen, Ascension, Avoyelles, Catahoula, Concordia, East Baton Rouge and 16 more | 2 hr |
| Jan 21, 5:32 PM CST | Mesoscale Discussion | SPC | Avoyelles, Bienville, Bossier, Caddo, Caldwell, Catahoula and 23 more | 118 min |
| Jan 21, 6:05 PM CST | Mesoscale Discussion | SPC | Ascension, Assumption, Avoyelles, Catahoula, Concordia, East Baton Rouge and 22 more | 85 min |
| Jan 21, 8:14 PM CST | Mesoscale Discussion | SPC | East Feliciana, Livingston, Saint Helena, Saint Tammany, Tangipahoa, Washington and 1 more | 61 min |
| Jan 21, 8:22 PM CST | Mesoscale Discussion | SPC | Bienville, Caldwell, Catahoula, Claiborne, Concordia, East Carroll and 13 more | 113 min |
| Feb 7, 5:59 AM CST | Mesoscale Discussion | SPC | Acadia, Ascension, Assumption, Avoyelles, Concordia, East Baton Rouge and 26 more | 2 hr |
| Feb 7, 10:18 AM CST | Mesoscale Discussion | SPC | Acadia, Ascension, Assumption, Avoyelles, Catahoula, Concordia and 21 more | 117 min |
| Feb 7, 12:56 PM CST | Mesoscale Discussion | SPC | Orleans, Saint Charles, Saint John the Baptist, Saint Tammany, Tangipahoa, Washington | 64 min |
| Feb 14, 7:21 AM CST | Mesoscale Discussion | SPC | Acadia, Allen, Beauregard, Calcasieu, Cameron, Evangeline and 3 more | 114 min |
| Feb 14, 11:15 AM CST | Mesoscale Discussion | SPC | Acadia, Allen, Beauregard, Calcasieu, Cameron, Jefferson Davis and 2 more | 90 min |
| Feb 14, 2:02 PM CST | Mesoscale Discussion | SPC | Ascension, Assumption, Avoyelles, Catahoula, Concordia, East Baton Rouge and 20 more | 2 hr |
| Feb 20, 2:37 PM CST | Mesoscale Discussion | SPC | Acadia, Allen, Ascension, Assumption, Avoyelles, Caldwell and 26 more | 113 min |
| Feb 28, 2:10 AM CST | Mesoscale Discussion | SPC | East Carroll, West Carroll | 3 hr |
| Mar 1, 1:32 PM CST | Mesoscale Discussion | SPC | Acadia, Avoyelles, East Feliciana, Evangeline, Pointe Coupee, Saint Helena and 2 more | 2 hr |
| Mar 7, 2:58 AM CST | Mesoscale Discussion | SPC | Claiborne, East Carroll, Lincoln, Morehouse, Ouachita, Union and 2 more | 92 min |
| Mar 7, 8:03 AM CST | Mesoscale Discussion | SPC | Bienville, Claiborne, East Carroll, Jackson, Lincoln, Madison and 6 more | 117 min |
| Mar 7, 11:02 AM CST | Mesoscale Discussion | SPC | Avoyelles, Caldwell, Catahoula, Concordia, East Carroll, Franklin and 12 more | 58 min |
| Mar 24, 1:48 PM CDT | Mesoscale Discussion | SPC | De Soto | 2 hr |
| Mar 24, 3:25 PM CDT | Mesoscale Discussion | SPC | Bossier | 95 min |
| Mar 24, 8:39 PM CDT | Mesoscale Discussion | SPC | Bienville, Bossier, Caddo, Claiborne, De Soto, Red River and 1 more | 66 min |
| Mar 24, 9:58 PM CDT | Mesoscale Discussion | SPC | Allen, Beauregard, Calcasieu, Evangeline, Jefferson Davis, Rapides and 2 more | 62 min |
| Mar 24, 11:41 PM CDT | Mesoscale Discussion | SPC | Avoyelles, Caldwell, Catahoula, Concordia, East Carroll, Franklin and 7 more | 64 min |
| Mar 25, 2:08 AM CDT | Mesoscale Discussion | SPC | Acadia, Allen, Beauregard, Calcasieu, Cameron, Evangeline and 6 more | 67 min |
| Mar 25, 3:06 AM CDT | Mesoscale Discussion | SPC | Catahoula, Concordia, East Carroll, Franklin, Madison, Richland and 1 more | 54 min |
| Mar 25, 5:25 AM CDT | Mesoscale Discussion | SPC | Allen, Beauregard, Calcasieu, Vernon | 2 hr |
| Mar 25, 12:08 PM CDT | Mesoscale Discussion | SPC | Jefferson, Lafourche, Orleans, Plaquemines, Saint Bernard, Saint Charles and 1 more | 3 hr |
| Mar 27, 12:12 PM CDT | Mesoscale Discussion | SPC | East Carroll, Madison | 2 hr |
| Mar 27, 3:33 PM CDT | Mesoscale Discussion | SPC | East Carroll, Madison, Tensas, West Carroll | 87 min |
| Mar 29, 1:31 PM CDT | Mesoscale Discussion | SPC | Beauregard, Calcasieu, Cameron | 2 hr |
| Mar 29, 5:50 PM CDT | Mesoscale Discussion | SPC | Acadia, Allen, Avoyelles, Beauregard, Bienville, Calcasieu and 27 more | 115 min |
| Mar 29, 9:58 PM CDT | Mesoscale Discussion | SPC | Acadia, Allen, Avoyelles, Calcasieu, Caldwell, Cameron and 23 more | 92 min |
| Mar 30, 1:34 AM CDT | Mesoscale Discussion | SPC | Ascension, Assumption, East Baton Rouge, East Feliciana, Iberia, Iberville and 10 more | 86 min |
| Apr 2, 9:04 AM CDT | Mesoscale Discussion | SPC | Beauregard, Sabine, Vernon | 2 hr |
| Apr 2, 9:05 AM CDT | Mesoscale Discussion | SPC | Acadia, Ascension, East Baton Rouge, Iberville, Lafayette, Livingston and 5 more | 85 min |
| Apr 2, 12:22 PM CDT | Mesoscale Discussion | SPC | Sabine | 83 min |
| Apr 2, 12:49 PM CDT | Mesoscale Discussion | SPC | Avoyelles, Concordia, East Baton Rouge, East Carroll, East Feliciana, Franklin and 7 more | 116 min |
| Apr 2, 2:06 PM CDT | Mesoscale Discussion | SPC | Grant, LaSalle, Natchitoches, Rapides, Sabine, Vernon and 1 more | 54 min |
| Apr 2, 3:08 PM CDT | Mesoscale Discussion | SPC | Ascension, East Baton Rouge, East Feliciana, Livingston, Saint Charles, Saint Helena and 6 more | 3 hr |
| Apr 2, 3:13 PM CDT | Mesoscale Discussion | SPC | Allen, Avoyelles, Beauregard, Caldwell, Catahoula, Concordia and 13 more | 92 min |
| Apr 2, 5:54 PM CDT | Mesoscale Discussion | SPC | Acadia, Allen, Avoyelles, Beauregard, Calcasieu, Catahoula and 7 more | 96 min |
| Apr 2, 8:07 PM CDT | Mesoscale Discussion | SPC | Acadia, Allen, Avoyelles, Beauregard, Calcasieu, Cameron and 8 more | 83 min |
| Apr 2, 9:09 PM CDT | Mesoscale Discussion | SPC | Catahoula, Concordia, East Baton Rouge, East Feliciana, Livingston, Madison and 8 more | 2 hr |
| Apr 2, 11:37 PM CDT | Mesoscale Discussion | SPC | Acadia, Ascension, Assumption, Avoyelles, East Baton Rouge, East Feliciana and 18 more | 83 min |
| Apr 3, 3:59 AM CDT | Mesoscale Discussion | SPC | Jefferson, Lafourche, Orleans, Plaquemines, Saint Bernard, Saint Charles and 6 more | 2 hr |
| Apr 3, 6:43 AM CDT | Mesoscale Discussion | SPC | Plaquemines, Saint Bernard | 2 hr |
| Apr 10, 6:51 PM CDT | Mesoscale Discussion | SPC | Bossier, Caddo, Webster | 84 min |
| Apr 10, 9:35 PM CDT | Mesoscale Discussion | SPC | Bossier, Caddo, Claiborne, Webster | 85 min |
| Apr 21, 11:39 PM CDT | Mesoscale Discussion | SPC | Bossier, Webster | 96 min |
| Apr 22, 4:16 AM CDT | Mesoscale Discussion | SPC | Bienville, Bossier, Caddo, Claiborne, De Soto, Jackson and 7 more | 89 min |
| Apr 22, 12:51 PM CDT | Mesoscale Discussion | SPC | Catahoula, Concordia, East Carroll, Franklin, Madison, Morehouse and 3 more | 114 min |
| Apr 22, 4:56 PM CDT | Mesoscale Discussion | SPC | Madison, Tensas | 64 min |
| Apr 26, 9:39 AM CDT | Mesoscale Discussion | SPC | Bossier, Caddo, Claiborne, Webster | 36 min |
| Apr 26, 1:05 PM CDT | Mesoscale Discussion | SPC | Bossier, Caddo | 85 min |
| Apr 26, 4:23 PM CDT | Mesoscale Discussion | SPC | Bienville, Bossier, Caddo, Claiborne, De Soto, Jackson and 10 more | 67 min |
| Apr 26, 7:02 PM CDT | Mesoscale Discussion | SPC | Acadia, Allen, Avoyelles, Catahoula, Concordia, East Carroll and 10 more | 88 min |
| Apr 29, 9:19 AM CDT | Mesoscale Discussion | SPC | Beauregard, Calcasieu, Sabine, Vernon | 116 min |
| Apr 29, 2:45 PM CDT | Mesoscale Discussion | SPC | Bienville, Caldwell, Franklin, Grant, Jackson, Lincoln and 9 more | 60 min |
| Apr 29, 9:38 PM CDT | Mesoscale Discussion | SPC | Bossier, Caddo, De Soto, Sabine, Webster | 67 min |
| Apr 29, 11:37 PM CDT | Mesoscale Discussion | SPC | Bienville, Bossier, Caddo, Claiborne, De Soto, Lincoln and 5 more | 53 min |
| Apr 30, 1:14 AM CDT | Mesoscale Discussion | SPC | Acadia, Allen, Avoyelles, Beauregard, Calcasieu, Caldwell and 20 more | 91 min |
| Apr 30, 3:36 AM CDT | Mesoscale Discussion | SPC | Caldwell, Grant, Jackson, LaSalle, Lincoln, Natchitoches and 3 more | 84 min |
| Apr 30, 5:41 AM CDT | Mesoscale Discussion | SPC | Union | 64 min |
| Apr 30, 6:12 AM CDT | Mesoscale Discussion | SPC | Acadia, Avoyelles, Concordia, East Baton Rouge, East Carroll, East Feliciana and 16 more | 93 min |
| Apr 30, 6:59 AM CDT | Mesoscale Discussion | SPC | Ascension, Assumption, East Baton Rouge, East Feliciana, Jefferson, Lafourche and 12 more | 2 hr |
| May 3, 7:04 AM CDT | Mesoscale Discussion | SPC | Acadia, Allen, Avoyelles, Beauregard, Calcasieu, Cameron and 13 more | 86 min |
| May 3, 10:07 AM CDT | Mesoscale Discussion | SPC | Acadia, Allen, Ascension, Assumption, Avoyelles, Beauregard and 21 more | 83 min |
| May 3, 1:58 PM CDT | Mesoscale Discussion | SPC | Acadia, Allen, Assumption, Beauregard, Calcasieu, Cameron and 11 more | 62 min |
| May 3, 3:48 PM CDT | Mesoscale Discussion | SPC | Acadia, Allen, Beauregard, Calcasieu, Cameron, Jefferson Davis | 87 min |
| May 3, 3:59 PM CDT | Mesoscale Discussion | SPC | Bossier, Caddo | 91 min |
| May 3, 6:54 PM CDT | Mesoscale Discussion | SPC | Ascension, Assumption, East Baton Rouge, Iberville, Livingston, Saint James and 3 more | 96 min |
| May 3, 7:45 PM CDT | Mesoscale Discussion | SPC | Allen, Beauregard, Calcasieu, Jefferson Davis, Sabine, Vernon | 60 min |
| May 11, 1:37 PM CDT | Mesoscale Discussion | SPC | Bossier, Caddo | 2 hr |
| May 11, 6:20 PM CDT | Mesoscale Discussion | SPC | Caddo | 115 min |
| May 12, 4:24 AM CDT | Mesoscale Discussion | SPC | Acadia, Allen, Beauregard, Calcasieu, Cameron, Evangeline and 4 more | 3 hr |
| May 12, 9:56 AM CDT | Mesoscale Discussion | SPC | Ascension, Assumption, Jefferson, Lafourche, Livingston, Orleans and 8 more | 3 hr |
| May 12, 10:59 AM CDT | Mesoscale Discussion | SPC | Morehouse, West Carroll | 3 hr |
| May 12, 1:42 PM CDT | Mesoscale Discussion | SPC | Saint Bernard | 108 min |
| May 12, 1:43 PM CDT | Mesoscale Discussion | SPC | Ascension, Assumption, East Baton Rouge, East Feliciana, Iberville, Livingston and 12 more | 3 hr |
| May 20, 2:12 PM CDT | Mesoscale Discussion | SPC | Concordia, East Baton Rouge, East Feliciana, Livingston, Madison, Pointe Coupee and 6 more | 93 min |
| May 21, 2:22 PM CDT | Mesoscale Discussion | SPC | Acadia, Allen, Ascension, Avoyelles, Beauregard, Calcasieu and 25 more | 113 min |
| May 28, 2:53 AM CDT | Mesoscale Discussion | SPC | Bossier, Caddo, Claiborne, Lincoln, Union, Webster | 2 hr |
| May 28, 10:59 AM CDT | Mesoscale Discussion | SPC | Ascension, Assumption, Calcasieu, Cameron, Iberia, Iberville and 15 more | 2 hr |
| May 28, 5:01 PM CDT | Mesoscale Discussion | SPC | Bienville, Bossier, Caddo, Caldwell, Claiborne, De Soto and 9 more | 59 min |
| May 28, 7:34 PM CDT | Mesoscale Discussion | SPC | Bienville, Bossier, Caddo, Caldwell, Claiborne, De Soto and 11 more | 56 min |
| May 28, 9:16 PM CDT | Mesoscale Discussion | SPC | Allen, Avoyelles, Beauregard, Calcasieu, Catahoula, Concordia and 9 more | 59 min |
| May 30, 1:00 PM CDT | Mesoscale Discussion | SPC | Jefferson, Lafourche, Terrebonne | 3 hr |
| May 31, 11:00 AM CDT | Mesoscale Discussion | SPC | Plaquemines, Saint Bernard | 3 hr |
| Jun 16, 12:05 PM CDT | Mesoscale Discussion | SPC | Ascension, Avoyelles, Catahoula, Concordia, East Baton Rouge, East Carroll and 19 more | 2 hr |
| Jun 16, 3:40 PM CDT | Mesoscale Discussion | SPC | Catahoula, Concordia, East Carroll, East Feliciana, Franklin, Madison and 8 more | 2 hr |
| Jun 16, 6:19 PM CDT | Mesoscale Discussion | SPC | Catahoula, Concordia, East Carroll, Franklin, Madison, Morehouse and 3 more | 56 min |
| Jun 17, 1:21 PM CDT | Mesoscale Discussion | SPC | Ascension, Assumption, Avoyelles, Caldwell, Catahoula, Concordia and 30 more | 2 hr |
| Jun 20, 9:48 PM CDT | Mesoscale Discussion | SPC | Jefferson, Orleans, Plaquemines, Saint Bernard | 57 min |
| Jun 21, 2:08 AM CDT | Mesoscale Discussion | SPC | Ascension, Assumption, Jefferson, Lafourche, Livingston, Orleans and 7 more | 2 hr |
| Jun 21, 7:47 AM CDT | Mesoscale Discussion | SPC | Ascension, Assumption, Iberia, Jefferson, Lafourche, Livingston and 9 more | 118 min |
| Jun 21, 3:42 PM CDT | Mesoscale Discussion | SPC | Assumption, Jefferson, Lafourche, Orleans, Plaquemines, Saint Bernard and 5 more | 93 min |
| Jun 21, 6:29 PM CDT | Mesoscale Discussion | SPC | Acadia, Ascension, Assumption, Avoyelles, East Baton Rouge, East Feliciana and 26 more | 61 min |
| Jun 21, 9:56 PM CDT | Mesoscale Discussion | SPC | Saint Bernard | 2 hr |
| Jun 22, 2:24 AM CDT | Mesoscale Discussion | SPC | Jefferson, Orleans, Plaquemines, Saint Bernard, Saint Tammany, Tangipahoa and 1 more | 96 min |
| Jun 22, 11:50 AM CDT | Mesoscale Discussion | SPC | Ascension, Assumption, Avoyelles, Caldwell, Catahoula, Concordia and 34 more | 85 min |
| Jun 22, 3:48 PM CDT | Mesoscale Discussion | SPC | Ascension, East Baton Rouge, East Carroll, East Feliciana, Iberville, Livingston and 11 more | 87 min |
| Jun 22, 8:57 PM CDT | Mesoscale Discussion | SPC | Ascension, Catahoula, Concordia, East Baton Rouge, East Carroll, East Feliciana and 14 more | 63 min |
| Jun 23, 7:26 PM CDT | Mesoscale Discussion | SPC | Claiborne, Union | 2 hr |
| Jul 1, 11:33 AM CDT | Mesoscale Discussion | SPC | Bienville, Bossier, Caddo, Caldwell, Claiborne, De Soto and 11 more | 117 min |
| Aug 25, 10:19 AM CDT | Mesoscale Discussion | SPC | Calcasieu, Cameron | 3 hr |
| Aug 25, 3:46 PM CDT | Mesoscale Discussion | SPC | Cameron, Vermilion | 59 min |
| Aug 25, 7:36 PM CDT | Mesoscale Discussion | SPC | Cameron, Vermilion | 114 min |
| Aug 25, 11:30 PM CDT | Mesoscale Discussion | SPC | Cameron, Vermilion | 2 hr |
| Aug 26, 3:44 PM CDT | Mesoscale Discussion | SPC | Beauregard, Calcasieu, Cameron, Jefferson Davis | 61 min |
| Aug 26, 6:00 PM CDT | Mesoscale Discussion | SPC | Calcasieu, Cameron | 2 hr |
| Aug 27, 10:54 AM CDT | Mesoscale Discussion | SPC | Beauregard, Calcasieu, Cameron, Jefferson Davis | 3 hr |
| Aug 27, 3:07 PM CDT | Mesoscale Discussion | SPC | Acadia, Calcasieu, Cameron, Iberia, Jefferson Davis, Lafayette and 2 more | 113 min |
| Aug 27, 6:04 PM CDT | Mesoscale Discussion | SPC | Acadia, Calcasieu, Cameron, Jefferson Davis, Vermilion | 116 min |
| Aug 27, 9:50 PM CDT | Mesoscale Discussion | SPC | Acadia, Calcasieu, Cameron, Jefferson Davis, Vermilion | 115 min |
| Aug 28, 11:37 AM CDT | Mesoscale Discussion | SPC | Acadia, Ascension, Assumption, Calcasieu, Cameron, Iberia and 13 more | 83 min |
| Aug 28, 3:58 PM CDT | Mesoscale Discussion | SPC | Acadia, Calcasieu, Cameron, Iberia, Jefferson Davis, Lafayette and 3 more | 92 min |
| Aug 28, 6:49 PM CDT | Mesoscale Discussion | SPC | Acadia, Ascension, Assumption, Calcasieu, Cameron, Iberia and 16 more | 116 min |
| Aug 28, 11:32 PM CDT | Mesoscale Discussion | SPC | Acadia, Ascension, Assumption, Calcasieu, Cameron, Iberia and 16 more | 118 min |
| Aug 29, 6:20 AM CDT | Mesoscale Discussion | SPC | Assumption, Iberia, Jefferson, Lafourche, Plaquemines, Saint Charles and 3 more | 115 min |
| Aug 29, 2:09 PM CDT | Mesoscale Discussion | SPC | Acadia, Ascension, Assumption, Calcasieu, Cameron, Iberia and 13 more | 3 hr |
| Aug 30, 1:00 AM CDT | Mesoscale Discussion | SPC | Orleans, Saint Bernard, Saint John the Baptist, Saint Tammany, Tangipahoa, Washington | 90 min |
| Aug 30, 9:51 AM CDT | Mesoscale Discussion | SPC | Catahoula, Concordia, East Feliciana, Franklin, LaSalle, Saint Helena and 4 more | 114 min |
| Aug 30, 2:55 PM CDT | Mesoscale Discussion | SPC | East Carroll, Madison | 2 hr |
| Aug 30, 5:50 PM CDT | Mesoscale Discussion | SPC | Avoyelles, Catahoula, Concordia, East Carroll, East Feliciana, Franklin and 8 more | 55 min |
| Sep 5, 3:10 PM CDT | Mesoscale Discussion | SPC | Bienville, Bossier, Caddo, Claiborne, East Carroll, Jackson and 7 more | 65 min |
| Oct 7, 2:19 PM CDT | Mesoscale Discussion | SPC | Saint Bernard | 2 hr |
| Oct 22, 4:57 AM CDT | Mesoscale Discussion | SPC | Bienville, Bossier, Caddo, Claiborne, De Soto, Jackson and 4 more | 93 min |
| Oct 22, 5:41 AM CDT | Mesoscale Discussion | SPC | Ascension, Assumption, East Baton Rouge, East Feliciana, Iberia, Iberville and 17 more | 2 hr |
| Nov 3, 7:59 PM CDT | Mesoscale Discussion | SPC | East Carroll | 2 hr |
| Dec 5, 1:22 AM CST | Mesoscale Discussion | SPC | Avoyelles, Catahoula, Concordia, Grant, LaSalle, Natchitoches and 4 more | 83 min |
| Dec 8, 3:36 AM CST | Mesoscale Discussion | SPC | Acadia, Allen, Avoyelles, Beauregard, Calcasieu, Catahoula and 13 more | 4 hr |
| Dec 20, 1:55 AM CST | Mesoscale Discussion | SPC | Acadia, Allen, Avoyelles, Beauregard, Calcasieu, Caldwell and 14 more | 3 hr |
| Dec 20, 6:18 AM CST | Mesoscale Discussion | SPC | Saint Helena, Tangipahoa, Washington | 2 hr |
| Dec 22, 11:11 PM CST | Mesoscale Discussion | SPC | Acadia, Allen, Avoyelles, Beauregard, Caldwell, Catahoula and 19 more | 3 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Jefferson Davis Parish43
- Acadia Parish42
- Calcasieu Parish41
- Concordia Parish41
- West Feliciana Parish40
- Avoyelles Parish39
- Tensas Parish39
- Catahoula Parish36
- Evangeline Parish36
- Saint Landry Parish35
- Cameron Parish35
- Saint Martin Parish35
- East Feliciana Parish34
- Pointe Coupee Parish34
- Ascension Parish34
- Tangipahoa Parish34
- LaSalle Parish33
- West Baton Rouge Parish33
- Lafayette Parish33
- Vermilion Parish33
- Saint James Parish33
- Washington Parish33
- Madison Parish33
- Allen Parish32
- East Baton Rouge Parish32
- Livingston Parish32
- Saint Helena Parish32
- Saint Tammany Parish32
- East Carroll Parish32
- Beauregard Parish31
- Franklin Parish31
- Saint Charles Parish31
- Saint John the Baptist Parish31
- Assumption Parish29
- Orleans Parish28
- West Carroll Parish28
- Iberville Parish28
- Rapides Parish27
- Vernon Parish27
- Grant Parish26
24 more counties
- St. Mary Parish26
- Iberia Parish25
- Jefferson Parish25
- Saint Bernard Parish25
- Richland Parish25
- Bossier Parish24
- Lafourche Parish24
- Caddo Parish23
- Ouachita Parish23
- Webster Parish23
- Terrebonne Parish23
- Caldwell Parish22
- Jackson Parish22
- Union Parish22
- Morehouse Parish22
- Plaquemines Parish21
- Sabine Parish20
- Winn Parish20
- Lincoln Parish20
- Claiborne Parish20
- Bienville Parish19
- Natchitoches Parish17
- De Soto Parish15
- Red River Parish15
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20162018
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.