Alert archive / Texas / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 204

May 1, 200335 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at May 1, 2003, 7:25 PM CDT for 35 counties in Texas. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
May 1, 2003, 7:25 PM CDT (00:25 UTC)
Expired
May 2, 2003, 12:00 AM CDT
In force
5 hr
Issued by
the Storm Prediction Center
All 35 counties

Bell County, TX, Blanco County, TX, Bosque County, TX, Brown County, TX, Burnet County, TX, Comanche County, TX, Concho County, TX, Coryell County, TX, Edwards County, TX, Erath County, TX, Falls County, TX, Freestone County, TX, Gillespie County, TX, Hamilton County, TX, Hays County, TX, Henderson County, TX, Hill County, TX, Kendall County, TX, Kerr County, TX, Kimble County, TX, Lampasas County, TX, Limestone County, TX, Llano County, TX, Mason County, TX, McCulloch County, TX, McLennan County, TX, Menard County, TX, Mills County, TX, Navarro County, TX, Real County, TX, San Saba County, TX, Somervell County, TX, Sutton County, TX, Val Verde County, TX, Williamson County, TX

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
May 1, 7:27 PM CDTSevere Thunderstorm WarningFWDComanche63 min
May 1, 7:38 PM CDTSevere Thunderstorm WarningSJTKimble67 min
May 1, 7:45 PM CDTSevere Thunderstorm WarningSJTMason60 min
May 1, 8:05 PM CDTSevere Thunderstorm WarningFWDErath, Hamilton55 min
May 1, 8:09 PM CDTSevere Thunderstorm WarningFWDMcLennan51 min
May 1, 8:11 PM CDTSevere Thunderstorm WarningFWDBosque34 min
May 1, 8:18 PM CDTTornado WarningSJTKimble57 min
May 1, 8:43 PM CDTSevere Thunderstorm WarningFWDFalls62 min
May 1, 8:59 PM CDTSevere Thunderstorm WarningFWDMcLennan31 min
May 1, 9:09 PM CDTSevere Thunderstorm WarningEWXKerr51 min
May 1, 9:09 PM CDTSevere Thunderstorm WarningFWDLimestone66 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 224 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 00:00Z on 2003-05-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2571 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 00:00Z on 2003-05-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -28 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
2571 J/kg
Mixed-layer CIN
-75 J/kg
Mixed-layer LCL
1701 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
-28 m²/s²
0-3 km storm-relative helicity
11 m²/s²
Significant tornado parameter
-0.1
Supercell composite
-1.9

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 1, 9:00 PM CDTSevere Thunderstorm WatchSPCBowie, Cass, Morris, Titus4 hr
May 1, 10:10 PM CDTMesoscale DiscussionSPCAnderson, Bell, Blanco, Bosque, Brown, Burnet and 30 more95 min
May 1, 11:19 PM CDTMesoscale DiscussionSPCAustin, Brazoria, Brazos, Burleson, Colorado, Fort Bend and 14 more86 min
May 1, 11:20 PM CDTSevere Thunderstorm WatchSPCAustin, Brazoria, Chambers, Fort Bend, Galveston, Harris and 4 more4 hr
May 1, 11:53 PM CDTMesoscale DiscussionSPCBowie, Cass, Morris, Titus67 min
May 2, 2:21 PM CDTMesoscale DiscussionSPCAnderson, Angelina, Cherokee, Gregg, Hardin, Harrison and 15 more114 min
May 2, 2:25 PM CDTMesoscale DiscussionSPCBosque, Brown, Callahan, Coke, Coleman, Comanche and 21 more2 hr
May 2, 2:45 PM CDTTornado WatchSPCBrown, Callahan, Coke, Coleman, Concho, Crockett and 20 more6 hr
May 2, 4:28 PM CDTMesoscale DiscussionSPCAnderson, Bell, Bosque, Cherokee, Coryell, Dallas and 30 more2 hr
May 2, 4:45 PM CDTSevere Thunderstorm WatchSPCAnderson, Bell, Bosque, Brown, Burnet, Cass and 32 more5 hr
May 2, 5:57 PM CDTMesoscale DiscussionSPCBrown, Callahan, Coke, Coleman, Comanche, Concho and 12 more2 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.