Alert archive / Texas / Mesoscale Discussions in 2004
Mesoscale Discussion 1334
The Storm Prediction Center issued this mesoscale discussion at Jun 18, 2004, 1:28 PM MDT for 9 counties in New Mexico; 19 counties in Texas. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 18, 2004, 1:28 PM MDT (19:28 UTC)
- Expired
- Jun 18, 2004, 3:30 PM MDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 28 counties
Colfax County, NM, Curry County, NM, De Baca County, NM, Guadalupe County, NM, Harding County, NM, Mora County, NM, Quay County, NM, Roosevelt County, NM, San Miguel County, NM, Armstrong County, TX, Bailey County, TX, Briscoe County, TX, Castro County, TX, Cochran County, TX, Crosby County, TX, Deaf Smith County, TX, Floyd County, TX, Hale County, TX, Hartley County, TX, Hockley County, TX, Lamb County, TX, Lubbock County, TX, Oldham County, TX, Parmer County, TX, Potter County, TX, Randall County, TX, Swisher County, TX, Terry 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
Amarillo Airport, TX (KAMA), launched 12:00Z, 7.5 hours before the alert went out and 172 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
- 199 J/kg
- Mixed-layer CIN
- -341 J/kg
- Mixed-layer LCL
- 1217 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 254 m²/s²
- 0-3 km storm-relative helicity
- 410 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
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 |
|---|---|---|---|---|
| Jun 17, 6:38 PM MDT | Mesoscale Discussion | SPC | Chaves, Colfax, Curry, De Baca, Guadalupe, Harding and 5 more | 2 hr |
| Jun 18, 1:55 PM MDT | Severe Thunderstorm Watch | SPC | Chaves, Colfax, Curry, De Baca, Guadalupe, Harding and 5 more | 7 hr |
| Jun 18, 5:01 PM MDT | Mesoscale Discussion | SPC | Chaves, Colfax, Curry, De Baca, Eddy, Guadalupe and 7 more | 59 min |
| Jun 17, 8:19 PM MDT | Mesoscale Discussion | SPC | Armstrong, Briscoe, Carson, Childress, Collingsworth, Cottle and 16 more | 26 min |
| Jun 17, 8:40 PM MDT | Severe Thunderstorm Watch | SPC | Collingsworth, Hemphill, Lipscomb, Wheeler | 5 hr |
| Jun 18, 2:30 PM MDT | Severe Thunderstorm Watch | SPC | Armstrong, Bailey, Briscoe, Carson, Castro, Childress and 32 more | 7 hr |
| Jun 18, 2:51 PM MDT | Mesoscale Discussion | SPC | Archer, Baylor, Clay, Cooke, Delta, Denton and 9 more | 114 min |
Nearby
Mesoscale Discussions in Texas, 2004Mesoscale Discussions in New Mexico, 2004Every 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.