Alert archive / Louisiana / Mesoscale Discussions in 2007

Mesoscale Discussion 578

April 25, 2007Columbia County, Union County, Arkansas; 12 parishes in Louisiana; Sabine County, San Augustine County, Shelby County, Texas

The Storm Prediction Center issued this mesoscale discussion at Apr 25, 2007, 2:10 AM CDT for Columbia County, Union County, Arkansas; 12 parishes in Louisiana; Sabine County, San Augustine County, Shelby County, Texas. It was in force for 65 min.

The area

The outline as issued.

The facts

Issued
Apr 25, 2007, 2:10 AM CDT (07:10 UTC)
Expired
Apr 25, 2007, 3:15 AM CDT
In force
65 min
Issued by
the Storm Prediction Center

Counties 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, Natchitoches Parish, LA, Red River Parish, LA, Sabine Parish, LA, Webster Parish, LA, Winn Parish, LA, Sabine County, TX, San Augustine County, TX, Shelby County, TX

The radar

The Shreveport radar (KSHV), 55 km from the middle of the area, began a volume at 07:14 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 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.

IssuedProductOfficeCountiesLasted
Apr 24, 7:33 PM CDTMesoscale DiscussionSPCBenton, Carroll, Clark, Crawford, Franklin, Hempstead and 15 more117 min
Apr 24, 9:10 PM CDTTornado WatchSPCBaxter, Boone, Clark, Cleburne, Conway, Dallas and 26 more4 hr
Apr 24, 10:05 PM CDTMesoscale DiscussionSPCClay, Craighead, Crittenden, Cross, Greene, Jackson and 4 more85 min
Apr 24, 10:07 PM CDTMesoscale DiscussionSPCLittle River, Miller, Sevier83 min
Apr 24, 10:35 PM CDTTornado WatchSPCHempstead, Howard, Lafayette, Little River, Miller, Nevada and 1 more5 hr
Apr 24, 10:53 PM CDTSevere Thunderstorm WatchSPCClay, Craighead, Greene, Lawrence, Mississippi, Poinsett and 1 more3 hr
Apr 24, 11:58 PM CDTMesoscale DiscussionSPCClark, Dallas, Garland, Grant, Hempstead, Hot Spring and 15 more92 min
Apr 25, 12:45 AM CDTMesoscale DiscussionSPCClay, Craighead, Greene, Lawrence, Mississippi, Poinsett and 2 more90 min
Apr 25, 12:30 PM CDTMesoscale DiscussionSPCBenton, Carroll, Washington60 min
Apr 25, 1:11 PM CDTSevere Thunderstorm WatchSPCBenton, Carroll8 hr
Apr 25, 2:46 PM CDTMesoscale DiscussionSPCBaxter, Boone, Conway, Crawford, Franklin, Johnson and 12 more59 min
Apr 25, 3:38 PM CDTTornado WatchSPCBaxter, Benton, Boone, Carroll, Cleburne, Conway and 25 more6 hr
Apr 25, 6:15 PM CDTMesoscale DiscussionSPCClark, Columbia, Lafayette, Nevada, Ouachita90 min
Apr 25, 6:38 PM CDTMesoscale DiscussionSPCBaxter, Boone, Cleburne, Conway, Faulkner, Fulton and 17 more97 min
Apr 25, 9:00 AM CDTMesoscale DiscussionSPCAcadia, Allen, Avoyelles, Beauregard, Calcasieu, Cameron and 7 more60 min
Apr 25, 9:13 AM CDTTornado WatchSPCAcadia, Allen, Avoyelles, Beauregard, Calcasieu, Cameron and 10 more8 hr
Apr 25, 1:23 PM CDTMesoscale DiscussionSPCCatahoula, Concordia, East Feliciana, Franklin, Madison, Tensas and 1 more67 min
Apr 25, 1:46 PM CDTTornado WatchSPCCatahoula, Concordia, East Baton Rouge, East Carroll, East Feliciana, Franklin and 9 more5 hr
Apr 25, 3:05 PM CDTMesoscale DiscussionSPCAcadia, Allen, Beauregard, Calcasieu, Cameron, Evangeline and 6 more55 min
Apr 24, 10:53 PM CDTTornado WatchSPCAtascosa, Bandera, Bastrop, Bexar, Blanco, Burnet and 28 more7 hr
Apr 25, 1:14 AM CDTMesoscale DiscussionSPCAtascosa, Bandera, Bastrop, Bee, Bexar, Blanco and 35 more91 min
Apr 25, 1:40 AM CDTTornado WatchSPCAransas, Austin, Bee, Brazoria, Brazos, Burleson and 30 more7 hr
Apr 25, 4:29 AM CDTMesoscale DiscussionSPCAngelina, Aransas, Austin, Bee, Brazoria, Brazos and 35 more91 min
Apr 25, 7:36 AM CDTMesoscale DiscussionSPCAransas, Austin, Bee, Brazoria, Calhoun, Chambers and 28 more84 min

Nearby

Mesoscale Discussions in Louisiana, 2007Mesoscale Discussions in Texas, 2007Mesoscale Discussions in Arkansas, 2007Every mesoscale discussion in 2007

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.