Alert archive / Texas / Severe Thunderstorm Watches in 2004
Severe Thunderstorm Watch 455
The Storm Prediction Center issued this severe thunderstorm watch at Jun 12, 2004, 9:05 PM CDT for 16 counties in Texas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 12, 2004, 9:05 PM CDT (02:05 UTC)
- Expired
- Jun 13, 2004, 3:00 AM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
Counties Brown County, TX, Callahan County, TX, Coke County, TX, Coleman County, TX, Comanche County, TX, Eastland County, TX, Erath County, TX, Jones County, TX, Nolan County, TX, Palo Pinto County, TX, Parker County, TX, Runnels County, TX, Shackelford County, TX, Stephens County, TX, Sterling County, TX, Taylor County, TX
Warnings issued inside it
5 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 12, 9:10 PM CDT | Severe Thunderstorm Warning | SJT | Shackelford, Throckmorton | 65 min |
| Jun 12, 9:21 PM CDT | Severe Thunderstorm Warning | SJT | Jones | 24 min |
| Jun 12, 9:38 PM CDT | Severe Thunderstorm Warning | SJT | Taylor | 52 min |
| Jun 12, 9:46 PM CDT | Severe Thunderstorm Warning | SJT | Jones | 44 min |
| Jun 12, 10:17 PM CDT | Severe Thunderstorm Warning | SJT | Shackelford | 43 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Midland Regional, TX (KMAF), launched 00:00Z, 2.1 hours before the alert went out and 232 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
- 1016 J/kg
- Mixed-layer CIN
- -37 J/kg
- Mixed-layer LCL
- 1715 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 104 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 12, 10:45 PM CDT | Severe Thunderstorm Watch | SPC | Archer, Baylor, Clay, Collin, Cooke, Denton and 10 more | 4 hr |
| Jun 12, 11:24 PM CDT | Mesoscale Discussion | SPC | Brown, Callahan, Coke, Coleman, Comanche, Eastland and 11 more | 96 min |
| Jun 13, 1:57 PM CDT | Mesoscale Discussion | SPC | Bowie, Camp, Cass, Delta, Franklin, Gregg and 8 more | 2 hr |
| Jun 13, 5:06 PM CDT | Mesoscale Discussion | SPC | Coke, Fisher, Nolan, Schleicher, Tom Green | 2 hr |
Nearby
Severe Thunderstorm Watches in Texas, 2004Every severe thunderstorm watch 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.