Alert archive / Texas / Mesoscale Discussions in 2003
Mesoscale Discussion 389
The Storm Prediction Center issued this mesoscale discussion at Apr 5, 2003, 3:48 PM CST for 7 counties in Oklahoma; 45 counties in Texas. It was in force for 117 min.
The area
The outline as issued.
The facts
- Issued
- Apr 5, 2003, 3:48 PM CST (21:48 UTC)
- Expired
- Apr 5, 2003, 5:45 PM CST
- In force
- 117 min
- Issued by
- the Storm Prediction Center
All 52 counties
Comanche County, OK, Cotton County, OK, Harmon County, OK, Jackson County, OK, Jefferson County, OK, Kiowa County, OK, Tillman County, OK, Archer County, TX, Baylor County, TX, Briscoe County, TX, Callahan County, TX, Childress County, TX, Clay County, TX, Cooke County, TX, Cottle County, TX, Crosby County, TX, Denton County, TX, Dickens County, TX, Eastland County, TX, Erath County, TX, Fisher County, TX, Floyd County, TX, Foard County, TX, Garza County, TX, Hall County, TX, Hardeman County, TX, Haskell County, TX, Hood County, TX, Jack County, TX, Johnson County, TX, Jones County, TX, Kent County, TX, King County, TX, Knox County, TX, Mitchell County, TX, Montague County, TX, Motley County, TX, Nolan County, TX, Palo Pinto County, TX, Parker County, TX, Scurry County, TX, Shackelford County, TX, Somervell County, TX, Stephens County, TX, Stonewall County, TX, Tarrant County, TX, Taylor County, TX, Throckmorton County, TX, Wichita County, TX, Wilbarger County, TX, Wise County, TX, Young County, TX
The watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Fort Worth, TX (KFWD), launched 12:00Z, 9.8 hours before the alert went out and 204 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1337 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 277 m²/s²
- 0-3 km storm-relative helicity
- 364 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.4
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 |
|---|---|---|---|---|
| Apr 5, 12:21 PM CST | Mesoscale Discussion | SPC | Jackson | 3 hr |
| Apr 5, 1:50 PM CST | Tornado Watch | SPC | Jackson | 5 hr |
| Apr 5, 4:30 PM CST | Tornado Watch | SPC | Archer, Clay, Collin, Cooke, Dallas, Delta and 22 more | 6 hr |
Nearby
Mesoscale Discussions in Texas, 2003Mesoscale Discussions in Oklahoma, 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.