Alert archive / Texas / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 148

April 23, 200310 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at Apr 23, 2003, 2:35 PM CDT for 10 counties in Texas. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Apr 23, 2003, 2:35 PM CDT (19:35 UTC)
Expired
Apr 23, 2003, 8:00 PM CDT
In force
5 hr
Issued by
the Storm Prediction Center

Counties Crockett County, TX, Edwards County, TX, Kimble County, TX, Kinney County, TX, Mason County, TX, Menard County, TX, Real County, TX, Schleicher County, TX, Sutton County, TX, Val Verde County, TX

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Apr 23, 3:00 PM CDTSevere Thunderstorm WarningSJTCrockett60 min
Apr 23, 3:04 PM CDTSevere Thunderstorm WarningSJTSchleicher56 min
Apr 23, 3:41 PM CDTTornado WarningSJTCrockett, Sutton64 min
Apr 23, 3:59 PM CDTTornado WarningSJTMenard, Schleicher61 min
Apr 23, 4:45 PM CDTTornado WarningSJTCrockett, Sutton60 min
Apr 23, 5:18 PM CDTSevere Thunderstorm WarningEWXVal Verde27 min
Apr 23, 5:38 PM CDTSevere Thunderstorm WarningEWXEdwards37 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, 7.6 hours before the alert went out and 63 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 2003-04-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1151 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 2003-04-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 228 square meters per square second.1939587897Sfc1 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
1151 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
614 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
228 m²/s²
0-3 km storm-relative helicity
302 m²/s²
Significant tornado parameter
1.8
Supercell composite
11.1

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 22, 7:32 PM CDTMesoscale DiscussionSPCGaines, Martin88 min
Apr 23, 12:04 AM CDTMesoscale DiscussionSPCAndrews, Armstrong, Bailey, Borden, Briscoe, Carson and 27 more116 min
Apr 23, 1:05 AM CDTSevere Thunderstorm WatchSPCBailey, Castro, Cochran, Dallam, Deaf Smith, Hartley and 10 more6 hr
Apr 23, 2:58 AM CDTMesoscale DiscussionSPCArmstrong, Borden, Briscoe, Childress, Coke, Collingsworth and 25 more2 hr
Apr 23, 3:59 AM CDTMesoscale DiscussionSPCBailey, Castro, Cochran, Deaf Smith, Hale, Hartley and 13 more2 hr
Apr 23, 10:30 AM CDTMesoscale DiscussionSPCArmstrong, Baylor, Borden, Briscoe, Childress, Coke and 41 more90 min
Apr 23, 11:50 AM CDTTornado WatchSPCArcher, Baylor, Brown, Callahan, Childress, Clay and 30 more6 hr
Apr 23, 1:26 PM CDTMesoscale DiscussionSPCArcher, Baylor, Brown, Callahan, Childress, Clay and 27 more94 min
Apr 23, 2:12 PM CDTMesoscale DiscussionSPCBandera, Crockett, Edwards, Kerr, Kimble, Kinney and 7 more93 min
Apr 23, 3:08 PM CDTMesoscale DiscussionSPCArcher, Baylor, Bosque, Brown, Callahan, Childress and 48 more97 min
Apr 23, 4:00 PM CDTTornado WatchSPCBosque, Collin, Comanche, Cooke, Coryell, Dallas and 25 more6 hr
Apr 23, 4:02 PM CDTMesoscale DiscussionSPCCrockett, Edwards, Kimble, Kinney, Mason, Menard and 5 more88 min
Apr 23, 5:36 PM CDTMesoscale DiscussionSPCArcher, Baylor, Brown, Callahan, Clay, Coleman and 13 more54 min
Apr 23, 6:00 PM CDTTornado WatchSPCArcher, Baylor, Brown, Callahan, Clay, Coleman and 15 more4 hr

Nearby

Severe Thunderstorm Watches in Texas, 2003Every severe thunderstorm watch 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.