Alert archive / Texas / Severe Thunderstorm Watches in 2004

Severe Thunderstorm Watch 4

February 4, 2004Little River County, Arkansas; 58 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at Feb 4, 2004, 9:20 PM CST for Little River County, Arkansas; 58 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Feb 4, 2004, 9:20 PM CST (03:20 UTC)
Expired
Feb 5, 2004, 3:00 AM CST
In force
6 hr
Issued by
the Storm Prediction Center
All 59 counties

Little River County, AR, Anderson County, TX, Atascosa County, TX, Bandera County, TX, Bastrop County, TX, Bell County, TX, Bexar County, TX, Blanco County, TX, Bosque County, TX, Bowie County, TX, Burleson County, TX, Burnet County, TX, Caldwell County, TX, Camp County, TX, Cass County, TX, Collin County, TX, Comal County, TX, Coryell County, TX, Dallas County, TX, Delta County, TX, Ellis County, TX, Falls County, TX, Fannin County, TX, Franklin County, TX, Freestone County, TX, Gillespie County, TX, Gonzales County, TX, Gregg County, TX, Guadalupe County, TX, Hays County, TX, Henderson County, TX, Hill County, TX, Hopkins County, TX, Hunt County, TX, Karnes County, TX, Kaufman County, TX, Kendall County, TX, Lamar County, TX, Lampasas County, TX, Lee County, TX, Leon County, TX, Limestone County, TX, McLennan County, TX, Medina County, TX, Milam County, TX, Morris County, TX, Navarro County, TX, Rains County, TX, Red River County, TX, Robertson County, TX, Rockwall County, TX, Smith County, TX, Titus County, TX, Travis County, TX, Upshur County, TX, Van Zandt County, TX, Williamson County, TX, Wilson County, TX, Wood County, TX

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Feb 4, 9:47 PM CSTSevere Thunderstorm WarningEWXGillespie28 min
Feb 5, 12:01 AM CSTSevere Thunderstorm WarningFWDFalls44 min
Feb 5, 12:44 AM CSTSevere Thunderstorm WarningEWXGillespie31 min
Feb 5, 2:42 AM CSTSevere Thunderstorm WarningEWXComal33 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, 3.3 hours before the alert went out and 227 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 2004-02-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 joules per kilogram.LCLEL10008507005003002001001 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 2004-02-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 262 square meters per square second.1939587897117Sfc1 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
3 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
465 m above ground
0-6 km bulk shear
82 kt
0-1 km storm-relative helicity
262 m²/s²
0-3 km storm-relative helicity
313 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 4, 8:09 PM CSTMesoscale DiscussionSPCAnderson, Angelina, Austin, Brazoria, Brazos, Burleson and 29 more96 min
Feb 4, 11:37 PM CSTMesoscale DiscussionSPCHardin, Jasper, Liberty, Newton, Orange, Polk and 3 more83 min
Feb 4, 11:49 PM CSTMesoscale DiscussionSPCAnderson, Atascosa, Bandera, Bastrop, Bell, Bexar and 53 more86 min
Feb 5, 1:16 AM CSTMesoscale DiscussionSPCAngelina, Austin, Brazos, Cherokee, Colorado, Grimes and 20 more119 min
Feb 5, 5:40 AM CSTTornado WatchSPCJefferson, Orange6 hr

Nearby

Severe Thunderstorm Watches in Texas, 2004Severe Thunderstorm Watches in Arkansas, 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.