Alert archive / Louisiana / Mesoscale Discussions in 2006

Mesoscale Discussion 2296

December 21, 200621 parishes in Louisiana; 10 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Dec 21, 2006, 2:22 PM CST for 21 parishes in Louisiana; 10 counties in Texas. It was in force for 83 min.

The area

The outline as issued.

The facts

Issued: Dec 21, 2006, 2:22 PM CST (20:22 UTC)
Expired: Dec 21, 2006, 3:45 PM CST
In force: 83 min
Issued by: the Storm Prediction Center

All 31 counties

Acadia Parish, LA, Allen Parish, LA, Ascension Parish, LA, Assumption Parish, LA, Beauregard Parish, LA, Calcasieu Parish, LA, Cameron Parish, LA, East Baton Rouge Parish, LA, East Feliciana Parish, LA, Evangeline Parish, LA, Iberville Parish, LA, Jefferson Davis Parish, LA, Lafayette Parish, LA, Livingston Parish, LA, Pointe Coupee Parish, LA, Saint James Parish, LA, Saint Landry Parish, LA, Saint Martin Parish, LA, Vermilion Parish, LA, West Baton Rouge Parish, LA, West Feliciana Parish, LA, Chambers County, TX, Hardin County, TX, Harris County, TX, Jasper County, TX, Jefferson County, TX, Liberty County, TX, Montgomery County, TX, Newton County, TX, Orange County, TX, San Jacinto County, TX

The radar

The Lake Charles radar (KLCH), 32 km from the middle of the area, began a volume at 20:23 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

Severe Thunderstorm Watch 880Dec 21, 2:25 PM CST

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 21, 10:45 AM CST	Mesoscale Discussion	SPC	Jefferson, Orleans, Plaquemines, Saint Bernard	90 min
Dec 21, 2:28 PM CST	Severe Thunderstorm Watch	SPC	Acadia, Allen, Ascension, Assumption, Beauregard, Calcasieu and 21 more	8 hr
Dec 21, 4:56 PM CST	Mesoscale Discussion	SPC	Acadia, Allen, Ascension, Assumption, Avoyelles, Beauregard and 27 more	94 min
Dec 21, 8:53 AM CST	Mesoscale Discussion	SPC	Atascosa, Bastrop, Caldwell, Colorado, DeWitt, Fayette and 6 more	97 min
Dec 21, 11:53 AM CST	Mesoscale Discussion	SPC	Austin, Brazoria, Colorado, DeWitt, Fort Bend, Galveston and 9 more	67 min
Dec 21, 12:04 PM CST	Severe Thunderstorm Watch	SPC	Aransas, Austin, Bee, Brazoria, Calhoun, Colorado and 20 more	6 hr

Nearby

Mesoscale Discussions in Louisiana, 2006 Mesoscale Discussions in Texas, 2006 Every mesoscale discussion in 2006

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.