Alert archive / Louisiana / Mesoscale Discussions in 2013

Mesoscale Discussion 352

March 31, 2013Calhoun County, Columbia County, Union County, Arkansas; 11 parishes in Louisiana; 8 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Mar 31, 2013, 10:33 AM CDT for Calhoun County, Columbia County, Union County, Arkansas; 11 parishes in Louisiana; 8 counties in Texas. It was in force for 57 min.

The area

The outline as issued.

The facts

Issued: Mar 31, 2013, 10:33 AM CDT (15:33 UTC)
Expired: Mar 31, 2013, 11:30 AM CDT
In force: 57 min
Issued by: the Storm Prediction Center

All 22 counties

Calhoun County, AR, Columbia County, AR, Union County, AR, Bienville Parish, LA, Bossier Parish, LA, Caddo Parish, LA, Claiborne Parish, LA, De Soto Parish, LA, Jackson Parish, LA, Lincoln Parish, LA, Ouachita Parish, LA, Red River Parish, LA, Union Parish, LA, Webster Parish, LA, Anderson County, TX, Cherokee County, TX, Gregg County, TX, Harrison County, TX, Nacogdoches County, TX, Panola County, TX, Rusk County, TX, Shelby County, TX

The radar

The Shreveport radar (KSHV), 53 km from the middle of the area, began a volume at 15:36 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 72Mar 31, 12:20 PM CDT

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
Mar 30, 9:06 PM CDT	Severe Thunderstorm Watch	SPC	Benton, Carroll, Crawford, Franklin, Madison, Sebastian and 1 more	5 hr
Mar 30, 10:44 PM CDT	Mesoscale Discussion	SPC	Crawford, Franklin, Johnson, Logan, Madison, Newton and 6 more	91 min
Mar 31, 5:10 AM CDT	Severe Thunderstorm Watch	SPC	Hempstead, Howard, Lafayette, Little River, Miller, Sevier	7 hr
Mar 31, 7:36 AM CDT	Mesoscale Discussion	SPC	Columbia, Hempstead, Howard, Lafayette, Little River, Miller and 2 more	114 min
Mar 31, 9:20 AM CDT	Severe Thunderstorm Watch	SPC	Columbia, Union	5 hr
Mar 31, 11:54 AM CDT	Mesoscale Discussion	SPC	Allen, Avoyelles, Beauregard, Caldwell, Catahoula, Concordia and 20 more	36 min
Mar 31, 12:17 PM CDT	Severe Thunderstorm Watch	SPC	Acadia, Allen, Ascension, Avoyelles, Beauregard, Calcasieu and 32 more	6 hr
Mar 31, 2:32 PM CDT	Mesoscale Discussion	SPC	Allen, Avoyelles, Beauregard, Calcasieu, Caldwell, Catahoula and 21 more	58 min
Mar 31, 2:48 PM CDT	Severe Thunderstorm Watch	SPC	Cameron, Iberia, Saint Martin, St. Mary, Vermilion	5 hr
Mar 31, 3:21 PM CDT	Mesoscale Discussion	SPC	Jefferson, Orleans, Saint Charles, Saint James, Saint John the Baptist, Saint Tammany and 1 more	54 min
Mar 31, 3:38 PM CDT	Severe Thunderstorm Watch	SPC	Assumption, Jefferson, Lafourche, Orleans, Plaquemines, Saint Bernard and 5 more	3 hr
Mar 30, 8:14 PM CDT	Mesoscale Discussion	SPC	Clay, Montague, Wichita, Wilbarger	91 min
Mar 31, 1:13 AM CDT	Mesoscale Discussion	SPC	Wheeler	62 min
Mar 31, 4:54 AM CDT	Mesoscale Discussion	SPC	Clay, Collin, Cooke, Delta, Denton, Fannin and 8 more	96 min
Mar 31, 1:00 PM CDT	Mesoscale Discussion	SPC	Austin, Bandera, Bastrop, Bexar, Blanco, Brazos and 32 more	60 min
Mar 31, 1:17 PM CDT	Severe Thunderstorm Watch	SPC	Atascosa, Austin, Bandera, Bastrop, Bell, Bexar and 47 more	9 hr
Mar 31, 5:24 PM CDT	Mesoscale Discussion	SPC	Atascosa, Brazoria, Chambers, DeWitt, Dimmit, Fort Bend and 18 more	96 min
Mar 31, 6:20 PM CDT	Severe Thunderstorm Watch	SPC	Bee, Duval, Jim Wells, Kleberg, La Salle, Live Oak and 4 more	4 hr

Nearby

Mesoscale Discussions in Louisiana, 2013 Mesoscale Discussions in Texas, 2013 Mesoscale Discussions in Arkansas, 2013 Every mesoscale discussion in 2013

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.