Weather alerts in Louisiana, December 2011

114 weather alerts in December 2011, 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 2011. Tap one for its archive.

Alerts: 114
Warnings: 39
Watches: 5
Advisories: 58
Busiest day: December 22, 201142 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 2, 1:33 PM CST	River Flood Advisory	JAN	East Carroll	20 days
Dec 2, 1:33 PM CST	River Flood Advisory	JAN	Madison, Tensas	20 days
Dec 2, 1:33 PM CST	River Flood Advisory	JAN	Concordia	20 days
Dec 3, 5:41 AM CST	Small Craft Advisory	LIX		63 hr
Dec 3, 1:21 PM CST	Wind Advisory	LCH	Lafayette, Saint Martin	5 hr
Dec 4, 4:56 AM CST	Flash Flood Watch	SHV	Bienville, Bossier, Caddo, Claiborne, De Soto, Lincoln and 3 more	30 hr
Dec 4, 9:38 AM CST	Small Craft Advisory	LCH		18 hr
Dec 5, 3:46 AM CST	Small Craft Advisory	LCH		32 hr
Dec 5, 8:12 AM CST	Areal Flood Advisory	SHV	Bossier, Caddo, De Soto, Webster	63 min
Dec 6, 3:34 AM CST	Small Craft Advisory	LIX		48 hr
Dec 6, 1:54 PM CST	Low Water Advisory	LCH		20 hr
Dec 6, 1:54 PM CST	Small Craft Advisory	LCH		20 hr
Dec 6, 2:02 PM CST	Freeze Warning	LCH	Allen, Avoyelles, Beauregard, Rapides, Vernon	17 hr
Dec 7, 10:30 AM CST	Freeze Warning	LCH	Saint Martin	23 hr
Dec 7, 10:30 AM CST	Hard Freeze Warning	LCH	Allen, Avoyelles, Beauregard, Evangeline, Lafayette, Rapides and 3 more	23 hr
Dec 7, 2:56 PM CST	Freeze Warning	LIX	Assumption, East Baton Rouge, East Feliciana, Iberville, Pointe Coupee, Saint James and 3 more	17 hr
Dec 8, 3:20 PM CST	Freeze Warning	LCH	Allen, Avoyelles, Beauregard, Evangeline, Lafayette, Rapides and 3 more	18 hr
Dec 9, 2:49 PM CST	Small Craft Advisory	LCH		42 hr
Dec 9, 3:10 PM CST	Small Craft Advisory	LIX		43 hr
Dec 10, 9:28 AM CST	Freeze Warning	LCH	Avoyelles, Rapides, Vernon	20 hr
Dec 12, 12:12 PM CST	River Flood Warning	LIX	St. Mary	6 days
Dec 12, 2:36 PM CST	Dense Fog Advisory	JAN	Catahoula, Concordia, East Carroll, Franklin, Madison, Tensas	12 hr
Dec 12, 10:26 PM CST	Dense Fog Advisory	LIX	Assumption, East Baton Rouge, East Feliciana, Iberville, Pointe Coupee, Saint Helena and 5 more	5 hr
Dec 13, 6:01 AM CST	Dense Fog Advisory	LCH	Lafayette, Saint Martin	4 hr
Dec 13, 6:08 AM CST	Marine Dense Fog Advisory	LCH		6 hr
Dec 13, 3:47 PM CST	Dense Fog Advisory	LCH	Allen, Avoyelles, Beauregard, Evangeline, Lafayette, Rapides and 3 more	20 hr
Dec 13, 3:52 PM CST	Marine Dense Fog Advisory	LCH		48 hr
Dec 13, 7:57 PM CST	Dense Fog Advisory	JAN	East Carroll, Madison, Morehouse, Richland, West Carroll	13 hr
Dec 14, 6:56 PM CST	Dense Fog Advisory	LCH	Lafayette, Saint Martin	15 hr
Dec 15, 10:44 AM CST	Marine Dense Fog Advisory	LIX		5 hr
Dec 16, 1:12 AM CST	Marine Dense Fog Advisory	LCH		8 hr
Dec 16, 1:15 AM CST	Dense Fog Advisory	LCH	Cameron	8 hr
Dec 16, 4:58 AM CST	Dense Fog Advisory	LIX	Assumption, Saint Bernard, Saint James, Saint John the Baptist, Tangipahoa, Washington	4 hr
Dec 16, 4:58 AM CST	Marine Dense Fog Advisory	LIX		4 hr
Dec 16, 6:47 AM CST	Special Weather Statement	LCH	Allen	58 min
Dec 17, 2:44 PM CST	Freeze Warning	LCH	Avoyelles, Rapides	16 hr
Dec 18, 2:56 AM CST	Small Craft Advisory	LIX		3 hr
Dec 18, 7:07 AM CST	Small Craft Advisory	LIX		113 min
Dec 20, 5:54 AM CST	Areal Flood Advisory	LCH	Beauregard, Rapides, Vernon	111 min
Dec 20, 6:28 AM CST	Flash Flood Warning	LCH	Beauregard, Rapides, Vernon	3 hr
Dec 20, 7:29 AM CST	Severe Thunderstorm Warning	LCH	Beauregard	61 min
Dec 20, 8:25 AM CST	Tornado Warning	LCH	Beauregard, Calcasieu	35 min
Dec 20, 8:32 AM CST	Areal Flood Advisory	LCH	Allen, Beauregard, Calcasieu, Rapides, Vernon	118 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 20, 8:57 PM CST	Dense Fog Advisory	LIX	Assumption, Saint Bernard, Saint James, Saint John the Baptist	13 hr
Dec 20, 9:01 PM CST	Marine Dense Fog Advisory	LIX		16 hr
Dec 21, 3:24 PM CST	Marine Dense Fog Advisory	LIX		14 hr
Dec 21, 3:35 PM CST	Dense Fog Advisory	LIX	Assumption, Saint Bernard, Saint James, Saint John the Baptist	13 hr
Dec 22, 2:45 AM CST	Marine Dense Fog Advisory	LCH		3 hr
Dec 22, 3:47 AM CST	Small Craft Advisory	LIX		14 hr
Dec 22, 4:03 AM CST	Special Marine Warning	LCH		57 min
Dec 22, 4:11 AM CST	Mesoscale Discussion	SPC	Acadia, Allen, Ascension, Assumption, Avoyelles, Calcasieu and 32 more	34 min
Dec 22, 4:19 AM CST	Severe Thunderstorm Warning	LCH	Beauregard, Calcasieu, Cameron, Vernon	56 min
Dec 22, 4:36 AM CST	Tornado Watch	SPC	Acadia, Allen, Ascension, Assumption, Avoyelles, Calcasieu and 32 more	7 hr
Dec 22, 4:45 AM CST	Special Weather Statement	LCH	Allen, Calcasieu, Jefferson Davis	60 min
Dec 22, 4:48 AM CST	Special Marine Warning	LCH		57 min
Dec 22, 5:09 AM CST	Flash Flood Watch	JAN	Catahoula, Concordia, East Carroll, Franklin, Madison, Morehouse and 3 more	7 hr
Dec 22, 5:16 AM CST	Flash Flood Warning	JAN	East Carroll, Morehouse, Richland, West Carroll	3 hr
Dec 22, 5:51 AM CST	Special Marine Warning	LCH		54 min
Dec 22, 5:53 AM CST	Special Weather Statement	JAN	Madison	27 min
Dec 22, 6:11 AM CST	Special Weather Statement	LCH	Acadia, Allen, Avoyelles, Cameron, Evangeline, Jefferson Davis and 4 more	64 min
Dec 22, 6:51 AM CST	Special Marine Warning	LCH		54 min
Dec 22, 7:11 AM CST	Special Weather Statement	LCH	Iberia, Lafayette, Saint Landry, Saint Martin	34 min
Dec 22, 7:35 AM CST	Severe Thunderstorm Warning	LCH	Iberia, Saint Martin, St. Mary	55 min
Dec 22, 7:38 AM CST	Severe Thunderstorm Warning	LIX	Ascension, Assumption, East Baton Rouge, East Feliciana, Iberville, Livingston and 5 more	52 min
Dec 22, 7:39 AM CST	Special Marine Warning	LCH		66 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, 8:28 AM CST	Severe Thunderstorm Warning	LIX	East Feliciana, Saint Helena	36 min
Dec 22, 8:44 AM CST	Special Weather Statement	LCH	St. Mary	61 min
Dec 22, 8:57 AM CST	Severe Thunderstorm Warning	LIX	Ascension, Assumption, Iberville, Lafourche, Livingston, Saint James and 2 more	63 min
Dec 22, 9:07 AM CST	Special Marine Warning	LIX		113 min
Dec 22, 9:07 AM CST	Severe Thunderstorm Warning	LIX	Ascension, Livingston, Saint Helena, Saint John the Baptist, Saint Tammany, Tangipahoa and 1 more	53 min
Dec 22, 9:14 AM CST	Special Marine Warning	LIX		31 min
Dec 22, 9:24 AM CST	Special Marine Warning	LCH		51 min
Dec 22, 9:32 AM CST	Mesoscale Discussion	SPC	Saint Bernard	58 min
Dec 22, 9:52 AM CST	Severe Thunderstorm Warning	LIX	Jefferson, Lafourche, Livingston, Orleans, Saint Charles, Saint James and 3 more	53 min
Dec 22, 9:56 AM CST	Special Marine Warning	LIX		64 min
Dec 22, 10:00 AM CST	Tornado Watch	SPC	Plaquemines, Saint Bernard	7 hr
Dec 22, 10:08 AM CST	Tornado Warning	LIX	Saint Tammany, Tangipahoa	22 min
Dec 22, 10:10 AM CST	Tornado Warning	LIX	Lafourche, Saint Charles, Terrebonne	15 min
Dec 22, 10:43 AM CST	Special Marine Warning	LIX		2 hr
Dec 22, 10:57 AM CST	Special Marine Warning	LIX		33 min
Dec 22, 11:04 AM CST	Severe Thunderstorm Warning	LIX	Saint Tammany, Washington	40 min
Dec 22, 11:30 AM CST	Special Marine Warning	LIX		2 hr
Dec 22, 11:56 AM CST	River Flood Advisory	JAN	East Carroll	10 min
Dec 22, 11:56 AM CST	River Flood Advisory	JAN	Madison, Tensas	10 min
Dec 22, 11:56 AM CST	River Flood Advisory	JAN	Concordia	10 min
Dec 22, 1:24 PM CST	Special Marine Warning	LIX		2 hr
Dec 22, 2:51 PM CST	Mesoscale Discussion	SPC	Saint Tammany	54 min
Dec 22, 3:23 PM CST	Low Water Advisory	LCH		21 hr
Dec 23, 11:51 AM CST	River Flood Warning	LIX	East Baton Rouge, Pointe Coupee, West Feliciana	6 days
Dec 23, 3:52 PM CST	Low Water Advisory	LCH		17 hr
Dec 23, 3:52 PM CST	Small Craft Advisory	LCH		50 hr
Dec 25, 3:51 AM CST	Small Craft Advisory	LIX		56 hr
Dec 25, 2:43 PM CST	Flood Watch	JAN	Catahoula, Concordia, East Carroll, Franklin, Madison, Morehouse and 3 more	31 hr
Dec 25, 3:43 PM CST	River Flood Advisory	JAN	Concordia	4 days
Dec 26, 3:55 AM CST	Areal Flood Advisory	LIX	West Feliciana	4 hr
Dec 26, 6:41 AM CST	Flash Flood Warning	LIX	East Feliciana, West Feliciana	6 hr
Dec 26, 9:43 AM CST	River Flood Warning	LIX	Saint Tammany, Washington	9 days
Dec 26, 10:24 AM CST	Marine Dense Fog Advisory	LIX		5 hr
Dec 26, 2:34 PM CST	Small Craft Advisory	LCH		18 hr
Dec 26, 6:41 PM CST	River Flood Warning	JAN	Franklin	5 days
Dec 29, 5:31 AM CST	Dense Fog Advisory	SHV	Bossier, Caddo, De Soto, Sabine	3 hr
Dec 29, 8:47 PM CST	Dense Fog Advisory	SHV	Bienville, Bossier, Caddo, De Soto, Grant, LaSalle and 5 more	12 hr
Dec 30, 3:01 AM CST	Dense Fog Advisory	LIX	Assumption, East Baton Rouge, East Feliciana, Iberville, Pointe Coupee, Saint Bernard and 7 more	6 hr
Dec 30, 3:53 AM CST	Dense Fog Advisory	LCH	Allen, Avoyelles, Beauregard, Cameron, Evangeline, Lafayette and 4 more	5 hr
Dec 30, 2:14 PM CST	Dense Fog Advisory	LCH	Allen, Avoyelles, Beauregard, Cameron, Evangeline, Lafayette and 2 more	21 hr
Dec 30, 2:19 PM CST	Marine Dense Fog Advisory	LCH		19 hr
Dec 30, 9:37 PM CST	Dense Fog Advisory	LIX	Assumption, East Baton Rouge, East Feliciana, Iberville, Pointe Coupee, Saint Bernard and 7 more	13 hr
Dec 30, 10:59 PM CST	Marine Dense Fog Advisory	LIX		12 hr
Dec 31, 9:04 AM CST	Marine Dense Fog Advisory	LCH		3 hr
Dec 31, 2:19 PM CST	Dense Fog Advisory	LIX	Assumption, East Baton Rouge, East Feliciana, Iberville, Pointe Coupee, Saint Bernard and 7 more	19 hr
Dec 31, 2:49 PM CST	Marine Dense Fog Advisory	LIX		18 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	9
Tornado Warning	3
Tornado Watch	2
Mesoscale Discussion	6
Special Weather Statement	6
Flooding
Flash Flood Warning	3
River Flood Warning	4
Flash Flood Watch	2
Flood Watch	1
Areal Flood Advisory	4
River Flood Advisory	7
Cold
Freeze Warning	6
Hard Freeze Warning	1
Wind and dust
Wind Advisory	1
Fog and smoke
Dense Fog Advisory	17
Marine
Special Marine Warning	13
Low Water Advisory	3
Marine Dense Fog Advisory	13
Small Craft Advisory	13

By county

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

21 more counties

Nearby

Alerts in force now Tornadoes on record The radar archive 2010 2012

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.