Alert archive / Texas / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 186

April 29, 2003Love County, Oklahoma; 19 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at Apr 29, 2003, 9:20 PM CDT for Love County, Oklahoma; 19 counties in Texas. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued
Apr 29, 2003, 9:20 PM CDT (02:20 UTC)
Expired
Apr 30, 2003, 12:00 AM CDT
In force
3 hr
Issued by
the Storm Prediction Center

Counties Love County, OK, Archer County, TX, Brown County, TX, Clay County, TX, Comanche County, TX, Eastland County, TX, Erath County, TX, Hamilton County, TX, Hood County, TX, Jack County, TX, Lampasas County, TX, McCulloch County, TX, Mills County, TX, Montague County, TX, Palo Pinto County, TX, Parker County, TX, San Saba County, TX, Stephens County, TX, Wise County, TX, Young County, TX

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Apr 29, 9:38 PM CDTSevere Thunderstorm WarningFWDEastland37 min
Apr 29, 10:11 PM CDTSevere Thunderstorm WarningSJTBrown64 min
Apr 29, 10:38 PM CDTSevere Thunderstorm WarningFWDJack67 min
Apr 29, 10:55 PM CDTSevere Thunderstorm WarningFWDWise65 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

Fort Worth, TX (KFWD), launched 00:00Z, 2.3 hours before the alert went out and 149 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, Fort Worth, TX at 00:00Z on 2003-04-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1115 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, Fort Worth, TX at 00:00Z on 2003-04-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 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
1115 J/kg
Mixed-layer CIN
-159 J/kg
Mixed-layer LCL
1578 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
19 m²/s²
0-3 km storm-relative helicity
75 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 29, 9:05 PM CDTMesoscale DiscussionSPCAlfalfa, Beckham, Blaine, Caddo, Canadian, Comanche and 17 more85 min
Apr 29, 11:16 PM CDTMesoscale DiscussionSPCMarshall119 min
Apr 30, 4:02 PM CDTMesoscale DiscussionSPCBeckham, Caddo, Comanche, Custer, Greer, Harmon and 5 more118 min
Apr 30, 6:05 PM CDTSevere Thunderstorm WatchSPCAlfalfa, Blaine, Caddo, Canadian, Comanche, Cotton and 14 more5 hr
Apr 29, 8:19 PM CDTMesoscale DiscussionSPCBrooks, Cameron, Duval, Hidalgo, Jim Hogg, Jim Wells and 6 more86 min
Apr 30, 2:13 PM CDTMesoscale DiscussionSPCBrown, Coleman, Concho, Edwards, Kimble, McCulloch and 4 more92 min

Nearby

Severe Thunderstorm Watches in Texas, 2003Severe Thunderstorm Watches in Oklahoma, 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.