Alert archive / Texas / Mesoscale Discussions in 2004

Mesoscale Discussion 157

March 4, 2004Lea County, Roosevelt County, New Mexico; 30 counties in Oklahoma; 45 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Mar 4, 2004, 4:01 AM MST for Lea County, Roosevelt County, New Mexico; 30 counties in Oklahoma; 45 counties in Texas. It was in force for 119 min.

The area

The outline as issued.

The facts

Issued: Mar 4, 2004, 4:01 AM MST (11:01 UTC)
Expired: Mar 4, 2004, 6:00 AM MST
In force: 119 min
Issued by: the Storm Prediction Center

All 77 counties

Lea County, NM, Roosevelt County, NM, Beckham County, OK, Blaine County, OK, Caddo County, OK, Canadian County, OK, Carter County, OK, Cleveland County, OK, Comanche County, OK, Cotton County, OK, Custer County, OK, Dewey County, OK, Garfield County, OK, Garvin County, OK, Grady County, OK, Greer County, OK, Harmon County, OK, Jackson County, OK, Jefferson County, OK, Kay County, OK, Kingfisher County, OK, Kiowa County, OK, Logan County, OK, Major County, OK, McClain County, OK, Murray County, OK, Noble County, OK, Oklahoma County, OK, Roger Mills County, OK, Stephens County, OK, Tillman County, OK, Washita County, OK, Andrews County, TX, Archer County, TX, Armstrong County, TX, Bailey County, TX, Baylor County, TX, Borden County, TX, Briscoe County, TX, Castro County, TX, Childress County, TX, Clay County, TX, Cochran County, TX, Collingsworth County, TX, Cottle County, TX, Crosby County, TX, Dawson County, TX, Dickens County, TX, Donley County, TX, Floyd County, TX, Foard County, TX, Gaines County, TX, Garza County, TX, Hale County, TX, Hall County, TX, Hardeman County, TX, Haskell County, TX, Hockley County, TX, Kent County, TX, King County, TX, Knox County, TX, Lamb County, TX, Loving County, TX, Lubbock County, TX, Lynn County, TX, Martin County, TX, Motley County, TX, Parmer County, TX, Scurry County, TX, Stonewall County, TX, Swisher County, TX, Terry County, TX, Wheeler County, TX, Wichita County, TX, Wilbarger County, TX, Winkler County, TX, Yoakum County, TX

The radar

The Lubbock radar (KLBB), 58 km from the middle of the area, began a volume at 11:03 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.

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 11.0 hours before the alert went out and 191 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 718 m above ground
0-6 km bulk shear: 83 kt
0-1 km storm-relative helicity: -18 m²/s²
0-3 km storm-relative helicity: 96 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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 4, 12:56 AM MST	Mesoscale Discussion	SPC	Lea, Roosevelt	94 min
Mar 4, 1:00 AM MST	Severe Thunderstorm Watch	SPC	Lea, Roosevelt	5 hr
Mar 4, 1:44 AM MST	Mesoscale Discussion	SPC	Alfalfa, Beckham, Blaine, Caddo, Canadian, Carter and 36 more	3 hr
Mar 4, 5:55 AM MST	Severe Thunderstorm Watch	SPC	Beckham, Custer, Dewey, Ellis, Greer, Harmon and 6 more	6 hr
Mar 4, 6:20 AM MST	Severe Thunderstorm Watch	SPC	Alfalfa, Blaine, Caddo, Canadian, Cleveland, Comanche and 23 more	6 hr
Mar 4, 6:55 AM MST	Mesoscale Discussion	SPC	Alfalfa, Beckham, Blaine, Canadian, Custer, Dewey and 17 more	3 hr
Mar 4, 8:28 AM MST	Mesoscale Discussion	SPC	Adair, Atoka, Bryan, Carter, Cherokee, Choctaw and 33 more	62 min
Mar 4, 8:45 AM MST	Tornado Watch	SPC	Caddo, Canadian, Cleveland, Comanche, Cotton, Garvin and 8 more	5 hr
Mar 4, 10:52 AM MST	Mesoscale Discussion	SPC	Carter, Cleveland, Comanche, Cotton, Garvin, Grady and 7 more	53 min
Mar 4, 12:02 PM MST	Mesoscale Discussion	SPC	Caddo, Canadian, Cleveland, Comanche, Cotton, Garvin and 6 more	88 min
Mar 4, 12:25 PM MST	Mesoscale Discussion	SPC	Adair, Atoka, Bryan, Cherokee, Choctaw, Coal and 29 more	65 min
Mar 4, 1:02 PM MST	Mesoscale Discussion	SPC	Canadian, Carter, Cleveland, Comanche, Creek, Garvin and 12 more	88 min
Mar 4, 1:05 PM MST	Tornado Watch	SPC	Adair, Atoka, Bryan, Carter, Cherokee, Coal and 33 more	6 hr
Mar 4, 1:18 PM MST	Mesoscale Discussion	SPC	Choctaw, McCurtain	57 min
Mar 4, 2:00 PM MST	Tornado Watch	SPC	Choctaw, McCurtain	6 hr
Mar 4, 3:41 PM MST	Mesoscale Discussion	SPC	McCurtain	2 hr
Mar 3, 6:03 PM MST	Mesoscale Discussion	SPC	Andrews, Borden, Coke, Crane, Crockett, Dawson and 25 more	117 min
Mar 3, 7:40 PM MST	Severe Thunderstorm Watch	SPC	Andrews, Borden, Cottle, Crane, Crosby, Dawson and 20 more	5 hr
Mar 3, 10:44 PM MST	Mesoscale Discussion	SPC	Andrews, Borden, Crane, Crosby, Dawson, Dickens and 16 more	2 hr
Mar 4, 3:25 AM MST	Tornado Watch	SPC	Callahan, Coke, Coleman, Concho, Crockett, Fisher and 23 more	6 hr
Mar 4, 4:32 AM MST	Mesoscale Discussion	SPC	Callahan, Coke, Coleman, Concho, Crockett, Fisher and 23 more	118 min
Mar 4, 7:43 AM MST	Mesoscale Discussion	SPC	Archer, Baylor, Callahan, Coke, Coleman, Concho and 26 more	62 min
Mar 4, 9:46 AM MST	Mesoscale Discussion	SPC	Atascosa, Bandera, Bell, Bexar, Blanco, Bosque and 27 more	89 min
Mar 4, 10:50 AM MST	Tornado Watch	SPC	Bandera, Bell, Blanco, Bosque, Brown, Burnet and 42 more	5 hr
Mar 4, 10:52 AM MST	Mesoscale Discussion	SPC	Austin, Brazoria, Brazos, Burleson, Chambers, Colorado and 15 more	113 min
Mar 4, 12:42 PM MST	Mesoscale Discussion	SPC	Bell, Blanco, Bosque, Burnet, Collin, Coryell and 17 more	63 min

Nearby

Mesoscale Discussions in Texas, 2004 Mesoscale Discussions in Oklahoma, 2004 Mesoscale Discussions in New Mexico, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.