Alert archive / Texas / Severe Thunderstorm Watches in 2004

Severe Thunderstorm Watch 40

April 2, 200425 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at Apr 2, 2004, 2:25 PM CST for 25 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Apr 2, 2004, 2:25 PM CST (20:25 UTC)
Expired
Apr 2, 2004, 8:00 PM CST
In force
6 hr
Issued by
the Storm Prediction Center
All 25 counties

Bandera County, TX, Concho County, TX, Dimmit County, TX, Duval County, TX, Edwards County, TX, Frio County, TX, Gillespie County, TX, Irion County, TX, Kerr County, TX, Kimble County, TX, Kinney County, TX, La Salle County, TX, Mason County, TX, Maverick County, TX, McCulloch County, TX, McMullen County, TX, Medina County, TX, Menard County, TX, Real County, TX, Schleicher County, TX, Sutton County, TX, Tom Green County, TX, Uvalde County, TX, Webb County, TX, Zavala County, TX

Warnings issued inside it

7 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Apr 2, 2:42 PM CSTFlash Flood WarningEWXDeWitt, Karnes, Kinney186 days
Apr 2, 2:48 PM CSTFlash Flood WarningEWXFayette, Maverick186 days
Apr 2, 4:42 PM CSTSevere Thunderstorm WarningSJTMason48 min
Apr 2, 5:04 PM CSTSevere Thunderstorm WarningEWXFrio56 min
Apr 2, 5:26 PM CSTSevere Thunderstorm WarningCRPWebb64 min
Apr 2, 7:04 PM CSTFlash Flood WarningEWXKerr, Kinney186 days
Apr 2, 7:32 PM CSTSevere Thunderstorm WarningCRPWebb43 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 12:00Z, 8.4 hours before the alert went out and 132 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.

Skew-T log-pSkew-T log-p diagram, Del Rio, TX at 12:00Z on 2004-04-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1046 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Del Rio, TX at 12:00Z on 2004-04-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1046 J/kg
Mixed-layer CIN
-58 J/kg
Mixed-layer LCL
706 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
76 m²/s²
0-3 km storm-relative helicity
57 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 1, 6:52 PM CSTMesoscale DiscussionSPCEdwards, Kimble, Kinney, Menard, Real, Schleicher and 3 more83 min
Apr 2, 10:59 AM CSTMesoscale DiscussionSPCCrockett, Edwards, Kinney, Maverick, Reagan, Real and 5 more2 hr
Apr 2, 12:34 PM CSTMesoscale DiscussionSPCHoward, Irion, Sterling, Tom Green86 min
Apr 2, 1:08 PM CSTMesoscale DiscussionSPCCulberson, Loving, Reeves3 hr
Apr 2, 1:51 PM CSTMesoscale DiscussionSPCDimmit, Edwards, Kinney, Maverick, Real, Sutton and 2 more114 min
Apr 2, 5:10 PM CSTMesoscale DiscussionSPCBrooks, Cameron, Dimmit, Duval, Hidalgo, Jim Hogg and 8 more95 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.