Alert archive / Texas / Mesoscale Discussions in 2004

Mesoscale Discussion 530

April 30, 20044 parishes in Louisiana; 16 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Apr 30, 2004, 11:56 PM CDT for 4 parishes in Louisiana; 16 counties in Texas. It was in force for 94 min.

The area

The outline as issued.

The facts

Issued: Apr 30, 2004, 11:56 PM CDT (04:56 UTC)
Expired: May 1, 2004, 1:30 AM CDT
In force: 94 min
Issued by: the Storm Prediction Center

Counties Beauregard Parish, LA, Calcasieu Parish, LA, Cameron Parish, LA, Jefferson Davis Parish, LA, Chambers County, TX, Galveston County, TX, Grimes 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, Polk County, TX, San Jacinto County, TX, Tyler County, TX, Walker County, TX, Waller County, TX

The radar

The Houston radar (KHGX), 101 km from the middle of the area, began a volume at 04:57 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 141May 1, 3:50 AM 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
May 1, 12:50 AM CDT	Severe Thunderstorm Watch	SPC	Bossier, Caddo	6 hr
May 1, 2:38 AM CDT	Mesoscale Discussion	SPC	Bienville, Bossier, Caddo, Caldwell, Claiborne, De Soto and 10 more	37 min
May 1, 3:10 AM CDT	Severe Thunderstorm Watch	SPC	Bienville, Bossier, Claiborne, De Soto, Jackson, Lincoln and 7 more	6 hr
May 1, 5:13 AM CDT	Mesoscale Discussion	SPC	Bienville, Bossier, Caddo, Claiborne, De Soto, Jackson and 6 more	92 min
May 1, 7:24 AM CDT	Mesoscale Discussion	SPC	Natchitoches, Sabine, Winn	96 min
May 1, 9:45 AM CDT	Tornado Watch	SPC	Allen, Beauregard, Calcasieu, Cameron, Jefferson Davis, Vernon	5 hr
May 1, 1:45 PM CDT	Mesoscale Discussion	SPC	East Baton Rouge, East Feliciana, Iberville, Livingston, Saint Helena, Saint Tammany and 3 more	3 hr
May 1, 4:00 PM CDT	Severe Thunderstorm Watch	SPC	Washington	5 hr
Apr 30, 7:00 PM CDT	Mesoscale Discussion	SPC	Bosque, Brown, Coleman, Comanche, Concho, Eastland and 11 more	90 min
Apr 30, 7:22 PM CDT	Mesoscale Discussion	SPC	Anderson, Bowie, Camp, Cass, Cherokee, Delta and 25 more	83 min
Apr 30, 7:40 PM CDT	Severe Thunderstorm Watch	SPC	Anderson, Bowie, Camp, Delta, Ellis, Fannin and 20 more	5 hr
Apr 30, 8:14 PM CDT	Mesoscale Discussion	SPC	Archer, Clay, Collin, Cooke, Denton, Grayson and 8 more	91 min
Apr 30, 9:07 PM CDT	Mesoscale Discussion	SPC	Bosque, Brown, Comanche, Coryell, Erath, Hamilton and 8 more	53 min
Apr 30, 9:54 PM CDT	Mesoscale Discussion	SPC	Anderson, Bowie, Camp, Delta, Ellis, Franklin and 19 more	96 min
Apr 30, 10:34 PM CDT	Mesoscale Discussion	SPC	Brown, Coleman, Concho, Crockett, Edwards, Irion and 15 more	86 min
Apr 30, 11:35 PM CDT	Severe Thunderstorm Watch	SPC	Blanco, Concho, Crockett, Edwards, Gillespie, Irion and 13 more	5 hr
May 1, 1:34 AM CDT	Mesoscale Discussion	SPC	Atascosa, Bandera, Bexar, Blanco, Comal, Concho and 24 more	86 min
May 1, 1:49 AM CDT	Mesoscale Discussion	SPC	Anderson, Bell, Cherokee, Falls, Freestone, Henderson and 5 more	86 min
May 1, 3:28 AM CDT	Mesoscale Discussion	SPC	Atascosa, Bandera, Bexar, Blanco, Concho, Crockett and 23 more	92 min
May 1, 3:41 AM CDT	Mesoscale Discussion	SPC	Austin, Brazoria, Brazos, Burleson, Chambers, Colorado and 18 more	64 min
May 1, 3:50 AM CDT	Tornado Watch	SPC	Angelina, Austin, Bastrop, Brazos, Burleson, Chambers and 25 more	6 hr
May 1, 5:40 AM CDT	Severe Thunderstorm Watch	SPC	Atascosa, Bee, Bexar, Caldwell, DeWitt, Dimmit and 17 more	6 hr
May 1, 6:08 AM CDT	Mesoscale Discussion	SPC	Angelina, Austin, Brazos, Burleson, Chambers, Colorado and 24 more	97 min
May 1, 7:33 AM CDT	Mesoscale Discussion	SPC	Atascosa, Bee, Bexar, Caldwell, DeWitt, Dimmit and 16 more	87 min
May 1, 7:47 AM CDT	Mesoscale Discussion	SPC	Austin, Bastrop, Brazos, Burleson, Chambers, Colorado and 23 more	88 min
May 1, 9:16 AM CDT	Mesoscale Discussion	SPC	Brazoria, Chambers, Fort Bend, Galveston, Hardin, Harris and 3 more	59 min
May 1, 9:36 AM CDT	Mesoscale Discussion	SPC	Nueces	114 min
May 1, 9:55 AM CDT	Severe Thunderstorm Watch	SPC	Brooks, Cameron, Hidalgo, Jim Hogg, Kenedy, Kleberg and 3 more	5 hr
May 1, 11:15 AM CDT	Mesoscale Discussion	SPC	Kenedy	2 hr
May 1, 1:14 PM CDT	Mesoscale Discussion	SPC	Willacy	2 hr

Nearby

Mesoscale Discussions in Texas, 2004 Mesoscale Discussions in Louisiana, 2004 Every mesoscale discussion in 2004

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.