Alert archive / Texas / Severe Thunderstorm Watches in 2004
Severe Thunderstorm Watch 123
The Storm Prediction Center issued this severe thunderstorm watch at Apr 28, 2004, 7:25 PM CDT for 23 counties in Texas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 28, 2004, 7:25 PM CDT (00:25 UTC)
- Expired
- Apr 29, 2004, 1:00 AM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 23 counties
Bandera County, TX, Brooks County, TX, Crockett County, TX, Dimmit County, TX, Duval County, TX, Edwards County, TX, Frio County, TX, Jim Hogg County, TX, Kerr County, TX, Kimble County, TX, Kinney County, TX, La Salle County, TX, Mason County, TX, Maverick County, TX, McMullen County, TX, Medina County, TX, Real County, TX, Sutton County, TX, Uvalde County, TX, Val Verde County, TX, Webb County, TX, Zapata County, TX, Zavala County, TX
Warnings issued inside it
8 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 28, 7:26 PM CDT | Tornado Warning | EWX | Kinney, Val Verde | 49 min |
| Apr 28, 8:13 PM CDT | Severe Thunderstorm Warning | EWX | Kinney | 32 min |
| Apr 28, 8:40 PM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 65 min |
| Apr 28, 8:54 PM CDT | Tornado Warning | EWX | Kinney | 36 min |
| Apr 28, 9:02 PM CDT | Severe Thunderstorm Warning | EWX | Dimmit, Zavala | 28 min |
| Apr 28, 9:30 PM CDT | Severe Thunderstorm Warning | CRP | La Salle | 45 min |
| Apr 28, 9:58 PM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 47 min |
| Apr 28, 10:55 PM CDT | Severe Thunderstorm Warning | EWX | Kinney | 50 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
Del Rio, TX (KDRT), launched 00:00Z, 0.4 hours before the alert went out and 119 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
- 850 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 912 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 97 m²/s²
- 0-3 km storm-relative helicity
- 198 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 5.8
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 28, 7:07 PM CDT | Mesoscale Discussion | SPC | Bandera, Dimmit, Edwards, Frio, Kerr, Kinney and 8 more | 83 min |
| Apr 28, 9:56 PM CDT | Mesoscale Discussion | SPC | Atascosa, Bandera, Brooks, Dimmit, Duval, Edwards and 12 more | 94 min |
| Apr 29, 4:12 AM CDT | Mesoscale Discussion | SPC | Austin, Bastrop, Brazos, Burleson, Colorado, DeWitt and 18 more | 3 hr |
| Apr 29, 1:10 PM CDT | Tornado Watch | SPC | Shelby | 6 hr |
| Apr 29, 1:49 PM CDT | Mesoscale Discussion | SPC | Baylor, Childress, Collingsworth, Cottle, Foard, Hall and 4 more | 116 min |
| Apr 29, 3:05 PM CDT | Severe Thunderstorm Watch | SPC | Childress, Collingsworth, Cottle, Crosby, Dickens, Foard and 7 more | 7 hr |
| Apr 29, 3:58 PM CDT | Mesoscale Discussion | SPC | Borden, Coke, Crockett, Fisher, Glasscock, Howard and 15 more | 2 hr |
| Apr 29, 5:10 PM CDT | Mesoscale Discussion | SPC | Archer, Baylor, Callahan, Clay, Coke, Coleman and 18 more | 95 min |
| Apr 29, 5:35 PM CDT | Severe Thunderstorm Watch | SPC | Archer, Baylor, Callahan, Clay, Fisher, Haskell and 10 more | 5 hr |
| Apr 29, 6:35 PM CDT | Mesoscale Discussion | SPC | Childress, Collingsworth, Cottle, Crosby, Dickens, Foard and 7 more | 85 min |
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.