Weather alerts in Louisiana, December 2021

164 weather alerts in December 2021, 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 December 2021. Tap one for its archive.

Alerts: 164
Warnings: 45
Watches: 2
Advisories: 65
Busiest day: December 6, 202140 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
Dec 1, 4:08 PM CST	Dense Fog Advisory	LIX	Assumption, East Baton Rouge, East Feliciana, Iberville, Orleans, Pointe Coupee and 9 more	18 hr
Dec 1, 8:05 PM CST	Dense Fog Advisory	LCH	Allen, Avoyelles, Beauregard, Cameron, Evangeline, Lafayette and 4 more	14 hr
Dec 1, 8:06 PM CST	Marine Dense Fog Advisory	LCH		14 hr
Dec 2, 4:53 AM CST	Dense Fog Advisory	SHV	Bienville, Bossier, Caddo, Claiborne, De Soto, Grant and 6 more	5 hr
Dec 2, 3:26 PM CST	Dense Fog Advisory	LIX	Assumption, East Baton Rouge, East Feliciana, Iberville, Orleans, Pointe Coupee and 9 more	19 hr
Dec 2, 3:37 PM CST	Marine Dense Fog Advisory	LIX		18 hr
Dec 2, 8:00 PM CST	Dense Fog Advisory	LCH	Allen, Avoyelles, Beauregard, Cameron, Evangeline, Lafayette and 4 more	14 hr
Dec 2, 8:00 PM CST	Marine Dense Fog Advisory	LCH		14 hr
Dec 2, 8:58 PM CST	Dense Fog Advisory	JAN	Catahoula, Concordia, East Carroll, Franklin, Madison, Morehouse and 3 more	13 hr
Dec 3, 3:41 AM CST	Dense Fog Advisory	SHV	Bienville, Bossier, Caddo, Caldwell, Claiborne, De Soto and 11 more	6 hr
Dec 3, 10:02 AM CST	Dense Fog Advisory	LIX	Assumption, East Baton Rouge, East Feliciana, Iberville, Orleans, Pointe Coupee and 9 more	70 min
Dec 3, 10:05 AM CST	Marine Dense Fog Advisory	LIX		5 hr
Dec 3, 3:32 PM CST	Dense Fog Advisory	LIX	Assumption, East Baton Rouge, East Feliciana, Iberville, Orleans, Pointe Coupee and 9 more	18 hr
Dec 3, 3:33 PM CST	Marine Dense Fog Advisory	LIX		20 hr
Dec 3, 8:20 PM CST	Dense Fog Advisory	LCH	Allen, Avoyelles, Beauregard, Cameron, Evangeline, Lafayette and 4 more	13 hr
Dec 3, 8:20 PM CST	Marine Dense Fog Advisory	LCH		13 hr
Dec 4, 3:02 PM CST	Dense Fog Advisory	JAN	Catahoula, Concordia, Franklin, Madison, Tensas	18 hr
Dec 4, 3:06 PM CST	Dense Fog Advisory	LCH	Allen, Avoyelles, Beauregard, Cameron, Evangeline, Lafayette and 4 more	18 hr
Dec 4, 3:17 PM CST	Dense Fog Advisory	LIX	Assumption, East Baton Rouge, East Feliciana, Iberville, Orleans, Pointe Coupee and 9 more	18 hr
Dec 4, 3:18 PM CST	Marine Dense Fog Advisory	LIX		18 hr
Dec 4, 8:53 PM CST	Marine Dense Fog Advisory	LCH		12 hr
Dec 5, 9:02 AM CST	Dense Fog Advisory	LIX	Assumption, East Baton Rouge, East Feliciana, Iberville, Pointe Coupee, Saint Helena and 6 more	58 min
Dec 6, 12:36 AM CST	Lake Wind Advisory	SHV	Bienville, Bossier, Caddo, Caldwell, Claiborne, De Soto and 11 more	14 hr
Dec 6, 3:00 AM CST	Small Craft Advisory	LCH		21 hr
Dec 6, 5:35 AM CST	Special Weather Statement	SHV	Sabine	40 min
Dec 6, 6:06 AM CST	Tornado Warning	SHV	Sabine	24 min
Dec 6, 6:11 AM CST	Special Weather Statement	SHV	Vernon	34 min
Dec 6, 6:24 AM CST	Special Weather Statement	LCH	Vernon	36 min
Dec 6, 6:37 AM CST	Tornado Warning	LCH	Vernon	23 min
Dec 6, 7:01 AM CST	Special Weather Statement	LCH	Vernon	29 min
Dec 6, 7:10 AM CST	Tornado Warning	LCH	Rapides, Vernon	35 min
Dec 6, 7:17 AM CST	Mesoscale Discussion	SPC	Avoyelles, Beauregard, Caldwell, Catahoula, Concordia, East Carroll and 14 more	118 min
Dec 6, 8:09 AM CST	Tornado Warning	LCH	Rapides	15 min
Dec 6, 9:28 AM CST	Special Weather Statement	SHV	LaSalle	47 min
Dec 6, 9:47 AM CST	Special Weather Statement	SHV	Natchitoches	43 min
Dec 6, 10:06 AM CST	Mesoscale Discussion	SPC	Catahoula, Concordia, LaSalle	114 min
Dec 6, 10:28 AM CST	Special Weather Statement	SHV	Grant	47 min
Dec 6, 10:33 AM CST	Severe Thunderstorm Warning	SHV	Grant, Natchitoches	42 min
Dec 6, 10:40 AM CST	Severe Thunderstorm Warning	LCH	Rapides	35 min
Dec 6, 11:08 AM CST	Special Weather Statement	LIX	East Feliciana	67 min
Dec 6, 12:01 PM CST	Special Weather Statement	LIX	Saint Helena	74 min
Dec 6, 12:21 PM CST	Severe Thunderstorm Warning	LIX	East Feliciana, Saint Helena	54 min
Dec 6, 12:46 PM CST	Severe Thunderstorm Warning	LIX	Tangipahoa, Washington	59 min
Dec 6, 1:08 PM CST	Mesoscale Discussion	SPC	Washington	2 hr
Dec 6, 1:22 PM CST	Tornado Warning	LIX	Tangipahoa, Washington	68 min
Dec 6, 1:29 PM CST	Severe Thunderstorm Warning	LIX	Saint Helena, Tangipahoa, Washington	61 min
Dec 6, 1:40 PM CST	Special Weather Statement	LIX	Saint Helena	65 min
Dec 6, 1:44 PM CST	Severe Thunderstorm Warning	LIX	Livingston, Saint Helena	61 min
Dec 6, 1:54 PM CST	Severe Thunderstorm Warning	LIX	Saint Helena, Tangipahoa	66 min
Dec 6, 2:21 PM CST	Severe Thunderstorm Warning	LIX	Saint Tammany, Washington	39 min
Dec 6, 2:24 PM CST	Tornado Warning	LIX	Washington	21 min
Dec 6, 2:30 PM CST	Severe Thunderstorm Warning	LIX	Livingston, Saint Tammany, Tangipahoa	60 min
Dec 6, 2:35 PM CST	Tornado Warning	LIX	Saint Tammany, Washington	55 min
Dec 6, 2:41 PM CST	Special Marine Warning	LIX		64 min
Dec 6, 2:51 PM CST	Flash Flood Warning	LIX	Ascension, East Baton Rouge, West Baton Rouge	116 min
Dec 6, 2:51 PM CST	Tornado Warning	LIX	Saint Tammany	39 min
Dec 6, 2:56 PM CST	Tornado Warning	LIX	Saint Tammany	49 min
Dec 6, 3:09 PM CST	Severe Thunderstorm Warning Considerable damage threat	LIX	Saint Tammany	66 min
Dec 6, 3:20 PM CST	Tornado Warning	LIX	Saint Tammany	30 min
Dec 6, 3:26 PM CST	Special Marine Warning	LIX		64 min
Dec 6, 4:14 PM CST	Special Marine Warning	LIX		91 min
Dec 6, 5:24 PM CST	Special Marine Warning	LIX		66 min
Dec 7, 4:20 PM CST	Dense Fog Advisory	LCH	Lafayette, Saint Martin	17 hr
Dec 7, 4:20 PM CST	Marine Dense Fog Advisory	LCH		17 hr
Dec 7, 4:56 PM CST	Marine Dense Fog Advisory	LIX		16 hr
Dec 7, 4:57 PM CST	Dense Fog Advisory	LIX	Assumption, East Baton Rouge, East Feliciana, Iberville, Orleans, Pointe Coupee and 9 more	16 hr
Dec 9, 3:16 PM CST	Marine Dense Fog Advisory	LIX		19 hr
Dec 9, 5:03 PM CST	Mesoscale Discussion	SPC	Ascension, Livingston, Orleans, Saint Charles, Saint Helena, Saint James and 4 more	87 min
Dec 9, 7:21 PM CST	Dense Fog Advisory	LIX	Orleans, Saint Bernard, Saint Tammany	15 hr
Dec 10, 3:49 AM CST	Lake Wind Advisory	SHV	Bienville, Bossier, Caddo, Caldwell, Claiborne, De Soto and 6 more	31 hr
Dec 10, 2:42 PM CST	Small Craft Advisory	LCH		41 hr
Dec 10, 3:00 PM CST	Marine Dense Fog Advisory	LIX		18 hr
Dec 10, 3:00 PM CST	Small Craft Advisory	LIX		41 hr
Dec 10, 3:02 PM CST	Dense Fog Advisory	LIX	Saint Tammany	18 hr
Dec 10, 10:00 PM CST	Mesoscale Discussion	SPC	Bienville, Bossier, Caddo, Caldwell, Claiborne, De Soto and 16 more	90 min
Dec 10, 10:44 PM CST	Tornado Watch	SPC	Bienville, Bossier, Caddo, Claiborne, Jackson, Lincoln and 4 more	6 hr
Dec 10, 10:53 PM CST	Severe Thunderstorm Warning	SHV	Caddo	67 min
Dec 10, 11:56 PM CST	Severe Thunderstorm Warning	SHV	Bossier, Caddo	49 min
Dec 11, 12:09 AM CST	Severe Thunderstorm Warning	SHV	Bossier, Caddo, Claiborne, Webster	51 min
Dec 11, 1:15 AM CST	Special Weather Statement	SHV	Claiborne, Webster	45 min
Dec 11, 1:36 AM CST	Mesoscale Discussion	SPC	Beauregard, Caldwell, De Soto, Grant, LaSalle, Natchitoches and 4 more	114 min
Dec 11, 1:59 AM CST	Special Weather Statement	JAN	Morehouse	61 min
Dec 11, 2:00 AM CST	Mesoscale Discussion	SPC	Bienville, Bossier, Claiborne, Lincoln, Morehouse, Ouachita and 3 more	90 min
Dec 11, 2:06 AM CST	Special Weather Statement	SHV	Union	24 min
Dec 11, 2:31 AM CST	Special Weather Statement	SHV	Lincoln	44 min
Dec 11, 4:02 AM CST	Special Weather Statement	SHV	Natchitoches, Sabine	43 min
Dec 11, 4:02 AM CST	Mesoscale Discussion	SPC	Allen, Avoyelles, Beauregard, Calcasieu, Caldwell, Catahoula and 9 more	118 min
Dec 11, 4:32 AM CST	Special Weather Statement	LCH	Vernon	58 min
Dec 11, 4:44 AM CST	Special Weather Statement	SHV	Caldwell, Grant, LaSalle	61 min
Dec 11, 5:26 AM CST	Special Weather Statement	LCH	Rapides	49 min
Dec 11, 12:06 PM CST	Special Marine Warning	LIX		54 min
Dec 11, 12:50 PM CST	Special Marine Warning	LIX		55 min
Dec 11, 2:28 PM CST	Freeze Warning	SHV	Bossier, Caddo, De Soto, Red River	19 hr
Dec 14, 3:00 PM CST	Marine Dense Fog Advisory	LCH		21 hr
Dec 14, 9:42 PM CST	Dense Fog Advisory	LIX	Assumption, East Baton Rouge, East Feliciana, Iberville, Pointe Coupee, Saint Helena and 5 more	9 hr
Dec 14, 9:43 PM CST	Marine Dense Fog Advisory	LIX		9 hr
Dec 16, 2:08 PM CST	Mesoscale Discussion	SPC	Bossier, Caddo, Claiborne, Webster	3 hr
Dec 16, 2:30 PM CST	Dense Fog Advisory	LCH	Cameron, Lafayette, Saint Landry, Saint Martin	19 hr
Dec 16, 2:30 PM CST	Marine Dense Fog Advisory	LCH		19 hr
Dec 16, 2:49 PM CST	Special Weather Statement	SHV	Bossier	41 min
Dec 16, 3:22 PM CST	Dense Fog Advisory	LIX	Assumption, East Baton Rouge, East Feliciana, Iberville, Orleans, Pointe Coupee and 9 more	18 hr
Dec 16, 3:23 PM CST	Marine Dense Fog Advisory	LIX		20 hr
Dec 17, 2:49 PM CST	Marine Dense Fog Advisory	LCH		19 hr
Dec 17, 2:55 PM CST	Dense Fog Advisory	LCH	Cameron, Lafayette, Saint Martin	18 hr
Dec 17, 6:59 PM CST	Marine Dense Fog Advisory	LIX		15 hr
Dec 17, 7:00 PM CST	Dense Fog Advisory	LIX	Assumption, East Baton Rouge, East Feliciana, Iberville, Orleans, Pointe Coupee and 9 more	15 hr
Dec 18, 3:03 AM CST	Lake Wind Advisory	SHV	Bienville, Bossier, Caddo, Caldwell, Claiborne, De Soto and 6 more	15 hr
Dec 18, 3:25 AM CST	Small Craft Advisory	LCH		57 hr
Dec 18, 9:02 AM CST	Mesoscale Discussion	SPC	Acadia, Allen, Beauregard, Calcasieu, Cameron, Jefferson Davis and 1 more	118 min
Dec 18, 9:38 AM CST	Special Weather Statement	SHV	De Soto	37 min
Dec 18, 10:30 AM CST	Special Weather Statement	SHV	Red River	45 min
Dec 18, 12:50 PM CST	Mesoscale Discussion	SPC	Acadia, Allen, Beauregard, Calcasieu, Cameron, Evangeline and 6 more	115 min
Dec 18, 12:52 PM CST	Severe Thunderstorm Warning	LCH	Beauregard, Calcasieu, Vernon	38 min
Dec 18, 1:30 PM CST	Special Marine Warning	LCH		30 min
Dec 18, 1:30 PM CST	Severe Thunderstorm Warning	LCH	Allen, Beauregard, Calcasieu, Jefferson Davis, Vernon	49 min
Dec 18, 1:32 PM CST	Severe Thunderstorm Warning	LCH	Calcasieu, Cameron	58 min
Dec 18, 1:43 PM CST	Special Weather Statement	LCH	Rapides	32 min
Dec 18, 1:47 PM CST	Special Marine Warning	LCH		58 min
Dec 18, 2:15 PM CST	Special Weather Statement	LCH	Acadia, Allen, Evangeline, Jefferson Davis	45 min
Dec 18, 2:20 PM CST	Severe Thunderstorm Warning	LCH	Calcasieu, Cameron, Jefferson Davis	25 min
Dec 18, 2:35 PM CST	Small Craft Advisory	LIX		3 days
Dec 18, 2:45 PM CST	Special Weather Statement	LCH	Cameron	60 min
Dec 18, 2:50 PM CST	Special Marine Warning	LCH		85 min
Dec 18, 3:00 PM CST	Special Weather Statement	LCH	Acadia, Saint Landry	30 min
Dec 18, 3:56 PM CST	Special Weather Statement	LCH	Lafayette, Saint Martin	34 min
Dec 18, 4:40 PM CST	Special Weather Statement	LCH	Iberia, Lafayette, Saint Martin, St. Mary	65 min
Dec 18, 4:49 PM CST	Special Weather Statement	LIX	Iberville	56 min
Dec 18, 5:19 PM CST	Special Weather Statement	LIX	Ascension, Livingston	56 min
Dec 18, 5:54 PM CST	Special Marine Warning	LIX		66 min
Dec 18, 6:02 PM CST	Special Weather Statement	LIX	Saint John the Baptist, Tangipahoa	58 min
Dec 18, 6:49 PM CST	Special Weather Statement	LIX	Lafourche, Saint Charles	56 min
Dec 18, 6:55 PM CST	Special Marine Warning	LIX		65 min
Dec 18, 7:09 PM CST	Special Weather Statement	LIX	Saint Tammany	66 min
Dec 18, 7:37 PM CST	Special Marine Warning	LIX		98 min
Dec 18, 7:41 PM CST	Special Weather Statement	LIX	Jefferson, Orleans	79 min
Dec 18, 8:59 PM CST	Special Marine Warning	LIX		2 hr
Dec 18, 10:12 PM CST	Special Marine Warning	LIX		2 hr
Dec 18, 11:54 PM CST	Special Marine Warning	LIX		66 min
Dec 20, 4:46 AM CST	Small Craft Advisory	LIX		28 hr
Dec 21, 5:12 AM CST	Dense Fog Advisory	SHV	Bossier, Caddo, De Soto, Webster	5 hr
Dec 23, 2:23 AM CST	Lake Wind Advisory	SHV	Bossier, Caddo	14 hr
Dec 23, 2:34 PM CST	Lake Wind Advisory	SHV	Bienville, Bossier, Caddo, Caldwell, Claiborne, De Soto and 11 more	36 hr
Dec 24, 2:49 PM CST	Small Craft Advisory	LCH		15 hr
Dec 26, 3:49 AM CST	Dense Fog Advisory	SHV	Bienville, Bossier, Caddo, Caldwell, Claiborne, De Soto and 11 more	6 hr
Dec 28, 2:05 AM CST	Lake Wind Advisory	SHV	Bienville, Bossier, Caddo, Caldwell, Claiborne, De Soto and 11 more	13 hr
Dec 28, 1:18 PM CST	Mesoscale Discussion	SPC	Ascension, East Baton Rouge, East Feliciana, Livingston, Orleans, Pointe Coupee and 7 more	2 hr
Dec 29, 9:25 AM CST	Mesoscale Discussion	SPC	Bossier, Caddo, Claiborne, Lincoln, Union, Webster	2 hr
Dec 29, 10:44 AM CST	Mesoscale Discussion	SPC	East Carroll, Morehouse, West Carroll	2 hr
Dec 29, 12:05 PM CST	Tornado Watch	SPC	Claiborne, East Carroll, Lincoln, Morehouse, Ouachita, Union and 1 more	7 hr
Dec 29, 12:51 PM CST	Special Weather Statement	SHV	Bossier	24 min
Dec 29, 1:33 PM CST	Severe Thunderstorm Warning	SHV	Claiborne, Webster	42 min
Dec 29, 2:49 PM CST	Mesoscale Discussion	SPC	Washington	86 min
Dec 29, 3:41 PM CST	Mesoscale Discussion	SPC	Morehouse, West Carroll	64 min
Dec 29, 4:44 PM CST	Mesoscale Discussion	SPC	Bossier, Caddo, Claiborne, Webster	2 hr
Dec 29, 8:39 PM CST	Marine Dense Fog Advisory	LCH		15 hr
Dec 29, 8:50 PM CST	Special Weather Statement	SHV	Union	40 min
Dec 29, 8:51 PM CST	Dense Fog Advisory	SHV	Bienville, Bossier, Caddo, Caldwell, Claiborne, De Soto and 11 more	14 hr
Dec 30, 12:28 AM CST	Marine Dense Fog Advisory	LIX		9 hr
Dec 30, 12:59 AM CST	Dense Fog Advisory	LCH	Cameron	9 hr
Dec 30, 9:24 AM CST	Marine Dense Fog Advisory	LIX		96 min
Dec 30, 9:24 AM CST	Marine Dense Fog Advisory	LIX		26 hr
Dec 30, 4:46 PM CST	Marine Dense Fog Advisory	LCH		13 hr
Dec 31, 7:05 AM CST	Marine Dense Fog Advisory	LCH		3 hr
Dec 31, 2:48 PM CST	Marine Dense Fog Advisory	LIX		15 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	18
Tornado Warning	10
Tornado Watch	2
Mesoscale Discussion	17
Special Weather Statement	35
Flooding
Flash Flood Warning	1
Cold
Freeze Warning	1
Wind and dust
Lake Wind Advisory	6
Fog and smoke
Dense Fog Advisory	27
Marine
Special Marine Warning	15
Marine Dense Fog Advisory	25
Small Craft Advisory	7

By county

Every county with at least one alert. A county page lists each alert that covered it.

22 more counties

Nearby

Alerts in force now Tornadoes on record The radar archive 2020 2022

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. Rebuilt daily.