Alert archive / Louisiana / Mesoscale Discussions in 2008

Mesoscale Discussion 279

February 21, 200814 parishes in Louisiana; 5 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Feb 21, 2008, 12:56 PM CST for 14 parishes in Louisiana; 5 counties in Texas. It was in force for 64 min.

The area

The outline as issued.

The facts

Issued: Feb 21, 2008, 12:56 PM CST (18:56 UTC)
Expired: Feb 21, 2008, 2:00 PM CST
In force: 64 min
Issued by: the Storm Prediction Center

Counties Acadia Parish, LA, Allen Parish, LA, Beauregard Parish, LA, Calcasieu Parish, LA, Cameron Parish, LA, Evangeline Parish, LA, Iberia Parish, LA, Iberville Parish, LA, Jefferson Davis Parish, LA, Lafayette Parish, LA, Saint Landry Parish, LA, Saint Martin Parish, LA, St. Mary Parish, LA, Vermilion Parish, LA, Chambers County, TX, Hardin County, TX, Jefferson County, TX, Liberty County, TX, Orange County, TX

The radar

The Lake Charles radar (KLCH), 14 km from the middle of the area, began a volume at 18:57 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.

Tornado Watch 70Feb 21, 1:40 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
Feb 21, 1:48 AM CST	Mesoscale Discussion	SPC	Assumption, Cameron, Iberia, Jefferson, Lafourche, Plaquemines and 3 more	57 min
Feb 21, 2:51 AM CST	Mesoscale Discussion	SPC	Bienville, Bossier, Caddo, Caldwell, Claiborne, De Soto and 14 more	24 min
Feb 21, 3:23 AM CST	Tornado Watch	SPC	Acadia, Ascension, Assumption, Calcasieu, Cameron, Iberia and 15 more	6 hr
Feb 21, 6:47 AM CST	Mesoscale Discussion	SPC	Acadia, Ascension, Assumption, Calcasieu, Cameron, Iberia and 15 more	58 min
Feb 21, 1:41 PM CST	Tornado Watch	SPC	Acadia, Allen, Ascension, Avoyelles, Beauregard, Calcasieu and 20 more	7 hr
Feb 21, 4:55 PM CST	Mesoscale Discussion	SPC	Acadia, Ascension, Assumption, Calcasieu, Cameron, Iberia and 15 more	95 min

Nearby

Mesoscale Discussions in Louisiana, 2008 Mesoscale Discussions in Texas, 2008 Every mesoscale discussion in 2008

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.