Alert archive / Texas / Mesoscale Discussions in 2003

Mesoscale Discussion 1120

May 25, 20038 states

The Storm Prediction Center issued this mesoscale discussion at May 25, 2003, 5:06 PM CDT for 8 states. It was in force for 114 min.

The area

The outline as issued.

The facts

Issued: May 25, 2003, 5:06 PM CDT (22:06 UTC)
Expired: May 25, 2003, 7:00 PM CDT
In force: 114 min
Issued by: the Storm Prediction Center

All 74 counties

Shelby County, AL, Talladega County, AL, Carroll County, GA, Clarke County, GA, Clayton County, GA, DeKalb County, GA, Douglas County, GA, Elbert County, GA, Fulton County, GA, Oconee County, GA, Oglethorpe County, GA, Rockdale County, GA, Walton County, GA, Caldwell Parish, LA, Madison Parish, LA, Winn Parish, LA, Neshoba County, MS, Warren County, MS, Anson County, NC, Columbus County, NC, Greene County, NC, Harnett County, NC, Hoke County, NC, Johnston County, NC, Lee County, NC, Moore County, NC, Nash County, NC, Richmond County, NC, Wake County, NC, Wayne County, NC, Wilson County, NC, Chaves County, NM, De Baca County, NM, Eddy County, NM, Guadalupe County, NM, Lea County, NM, Lincoln County, NM, San Miguel County, NM, Santa Fe County, NM, Torrance County, NM, Abbeville County, SC, Fairfield County, SC, Florence County, SC, Greenwood County, SC, Lancaster County, SC, Lee County, SC, Marion County, SC, McCormick County, SC, Newberry County, SC, Saluda County, SC, Bell County, TX, Burnet County, TX, Crockett County, TX, Culberson County, TX, Falls County, TX, Houston County, TX, Kimble County, TX, Lampasas County, TX, Leon County, TX, Limestone County, TX, Llano County, TX, Loving County, TX, Mason County, TX, Menard County, TX, Nacogdoches County, TX, Pecos County, TX, Reeves County, TX, San Saba County, TX, Schleicher County, TX, Shelby County, TX, Sutton County, TX, Terrell County, TX, Ward County, TX, Winkler County, TX

The radar

The Shreveport radar (KSHV), 130 km from the middle of the area, began a volume at 22:06 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 nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 10.1 hours before the alert went out and 317 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: 1288 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 110 m²/s²
0-3 km storm-relative helicity: 145 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
May 25, 1:10 PM CDT	Mesoscale Discussion	SPC	Chaves, Eddy, Lea, Lincoln, Otero	95 min
May 25, 2:04 PM CDT	Mesoscale Discussion	SPC	Colfax, Los Alamos, Mora, Rio Arriba, San Miguel, Santa Fe and 1 more	86 min
May 25, 4:20 PM CDT	Mesoscale Discussion	SPC	Chaves, De Baca, Eddy, Guadalupe, Lea, Lincoln and 3 more	85 min
May 25, 4:35 PM CDT	Severe Thunderstorm Watch	SPC	Chaves, De Baca, Eddy, Guadalupe, Lea, Roosevelt and 2 more	6 hr
May 25, 11:34 AM CDT	Mesoscale Discussion	SPC	Anson, Bladen, Chatham, Columbus, Cumberland, Harnett and 13 more	2 hr
May 24, 8:22 PM CDT	Mesoscale Discussion	SPC	Archer, Armstrong, Bailey, Baylor, Briscoe, Carson and 48 more	23 min
May 24, 8:40 PM CDT	Severe Thunderstorm Watch	SPC	Archer, Armstrong, Baylor, Briscoe, Castro, Childress and 30 more	5 hr
May 24, 9:32 PM CDT	Mesoscale Discussion	SPC	Collin, Cooke, Delta, Denton, Fannin, Franklin and 7 more	118 min
May 24, 10:05 PM CDT	Mesoscale Discussion	SPC	Archer, Armstrong, Baylor, Briscoe, Childress, Clay and 26 more	85 min
May 24, 10:20 PM CDT	Severe Thunderstorm Watch	SPC	Collin, Dallas, Denton, Ellis, Henderson, Hunt and 8 more	6 hr
May 24, 11:32 PM CDT	Mesoscale Discussion	SPC	Anderson, Archer, Baylor, Childress, Clay, Collin and 30 more	118 min
May 25, 1:11 AM CDT	Mesoscale Discussion	SPC	Anderson, Archer, Baylor, Clay, Collin, Cooke and 32 more	2 hr
May 25, 1:35 AM CDT	Severe Thunderstorm Watch	SPC	Archer, Baylor, Cherokee, Clay, Collin, Cooke and 28 more	6 hr
May 25, 3:42 AM CDT	Mesoscale Discussion	SPC	Clay, Collin, Cooke, Dallas, Denton, Ellis and 10 more	2 hr
May 25, 6:19 PM CDT	Mesoscale Discussion	SPC	Concho, Crockett, Edwards, Irion, Kerr, Kimble and 9 more	86 min

Nearby

Mesoscale Discussions in Texas, 2003 Mesoscale Discussions in North Carolina, 2003 Mesoscale Discussions in Georgia, 2003 Every mesoscale discussion in 2003

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.