Alert archive / Texas / Mesoscale Discussions in 2003
Mesoscale Discussion 1967
The Storm Prediction Center issued this mesoscale discussion at Jul 22, 2003, 9:32 PM CDT for 14 parishes in Louisiana; 24 counties in Texas. It was in force for 58 min.
The area
The outline as issued.
The facts
- Issued
- Jul 22, 2003, 9:32 PM CDT (02:32 UTC)
- Expired
- Jul 22, 2003, 10:30 PM CDT
- In force
- 58 min
- Issued by
- the Storm Prediction Center
All 38 counties
Bienville Parish, LA, Bossier Parish, LA, Caddo Parish, LA, Caldwell Parish, LA, Catahoula Parish, LA, De Soto Parish, LA, Franklin Parish, LA, Grant Parish, LA, Jackson Parish, LA, LaSalle Parish, LA, Natchitoches Parish, LA, Red River Parish, LA, Webster Parish, LA, Winn Parish, LA, Camp County, TX, Cherokee County, TX, Collin County, TX, Dallas County, TX, Ellis County, TX, Gregg County, TX, Harrison County, TX, Henderson County, TX, Hopkins County, TX, Hunt County, TX, Johnson County, TX, Kaufman County, TX, Marion County, TX, Navarro County, TX, Panola County, TX, Rains County, TX, Rockwall County, TX, Rusk County, TX, Shelby County, TX, Smith County, TX, Tarrant County, TX, Upshur County, TX, Van Zandt County, TX, Wood County, TX
The radar
The Shreveport radar (KSHV), 129 km from the middle of the area, began a volume at 02:34 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
Shreveport, LA (KSHV), launched 00:00Z, 2.5 hours before the alert went out and 138 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.
- Mixed-layer CAPE
- 2751 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 1224 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 81 m²/s²
- 0-3 km storm-relative helicity
- 202 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 5.9
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 22, 7:09 PM CDT | Mesoscale Discussion | SPC | Camp, Collin, Dallas, Denton, Eastland, Ellis and 29 more | 96 min |
| Jul 23, 10:51 AM CDT | Mesoscale Discussion | SPC | Bastrop, Blanco, Burleson, Burnet, Caldwell, Comal and 7 more | 114 min |
| Jul 23, 2:20 PM CDT | Mesoscale Discussion | SPC | Atascosa, Bandera, Bexar, Blanco, Comal, Edwards and 14 more | 115 min |
| Jul 23, 6:30 PM CDT | Mesoscale Discussion | SPC | Andrews, Cochran, Crane, Ector, Gaines, Loving and 5 more | 3 hr |
Nearby
Mesoscale Discussions in Texas, 2003Mesoscale Discussions in Louisiana, 2003Every 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.