Alert archive / Texas / Severe Thunderstorm Watches in 2002

Severe Thunderstorm Watch 53

March 29, 2002Marshall County, Oklahoma; 31 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at Mar 29, 2002, 11:30 PM CST for Marshall County, Oklahoma; 31 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Mar 29, 2002, 11:30 PM CST (05:30 UTC)
Expired
Mar 30, 2002, 5:00 AM CST
In force
6 hr
Issued by
the Storm Prediction Center
All 32 counties

Marshall County, OK, Brown County, TX, Callahan County, TX, Coke County, TX, Coleman County, TX, Collin County, TX, Comanche County, TX, Concho County, TX, Cooke County, TX, Dallas County, TX, Denton County, TX, Eastland County, TX, Erath County, TX, Grayson County, TX, Hood County, TX, Irion County, TX, Jack County, TX, Johnson County, TX, McCulloch County, TX, Menard County, TX, Mills County, TX, Palo Pinto County, TX, Parker County, TX, Runnels County, TX, Schleicher County, TX, Somervell County, TX, Stephens County, TX, Sutton County, TX, Tarrant County, TX, Taylor County, TX, Tom Green County, TX, Wise County, TX

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Mar 29, 11:45 PM CSTSevere Thunderstorm WarningFWDWise25 min
Mar 29, 11:54 PM CSTSevere Thunderstorm WarningFWDPalo Pinto56 min
Mar 30, 12:05 AM CSTSevere Thunderstorm WarningFWDErath55 min
Mar 30, 12:42 AM CSTSevere Thunderstorm WarningFWDParker78 min
Mar 30, 12:55 AM CSTSevere Thunderstorm WarningSJTConcho, McCulloch50 min
Mar 30, 1:02 AM CSTSevere Thunderstorm WarningFWDDenton43 min
Mar 30, 1:31 AM CSTSevere Thunderstorm WarningFWDTarrant59 min
Mar 30, 2:02 AM CSTSevere Thunderstorm WarningFWDMills58 min
Mar 30, 2:14 AM CSTSevere Thunderstorm WarningFWDEllis, Johnson46 min
Mar 30, 2:23 AM CSTSevere Thunderstorm WarningFWDTarrant52 min
Mar 30, 2:34 AM CSTSevere Thunderstorm WarningFWDDallas71 min
Mar 30, 2:42 AM CSTFlash Flood WarningFWDDallas4 hr
Mar 30, 4:29 AM CSTSevere Thunderstorm WarningSJTTom Green61 min

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 5.5 hours before the alert went out and 217 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 2002-03-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3168 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 2002-03-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -45 square meters per square second.19395878Sfc1 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
3168 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
1050 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
-45 m²/s²
0-3 km storm-relative helicity
148 m²/s²
Significant tornado parameter
0.5
Supercell composite
2.1

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 29, 7:30 PM CSTSevere Thunderstorm WatchSPCBorden, Coke, Crockett, Fisher, Glasscock, Howard and 7 more6 hr
Mar 30, 3:00 AM CSTSevere Thunderstorm WatchSPCAnderson, Bell, Bosque, Bowie, Camp, Collin and 39 more5 hr
Mar 30, 5:30 AM CSTSevere Thunderstorm WatchSPCAtascosa, Bandera, Bexar, Brown, Callahan, Coke and 24 more6 hr
Mar 30, 12:30 PM CSTTornado WatchSPCAngelina, Brazos, Burleson, Falls, Grimes, Hardin and 18 more6 hr
Mar 30, 1:00 PM CSTTornado WatchSPCAnderson, Bosque, Camp, Cherokee, Comanche, Dallas and 28 more5 hr
Mar 30, 3:45 PM CSTSevere Thunderstorm WatchSPCAransas, Austin, Brazoria, Calhoun, Colorado, Fort Bend and 8 more5 hr
Mar 30, 5:30 PM CSTTornado WatchSPCAnderson, Angelina, Cherokee, Gregg, Grimes, Hardin and 22 more6 hr

Nearby

Severe Thunderstorm Watches in Texas, 2002Severe Thunderstorm Watches in Oklahoma, 2002Every severe thunderstorm watch in 2002

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.