Alert archive / Texas / Severe Thunderstorm Watches in 2002

Severe Thunderstorm Watch 605

August 13, 200215 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at Aug 13, 2002, 4:25 PM CDT for 15 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Aug 13, 2002, 4:25 PM CDT (21:25 UTC)
Expired
Aug 13, 2002, 10:00 PM CDT
In force
6 hr
Issued by
the Storm Prediction Center

Counties Archer County, TX, Baylor County, TX, Clay County, TX, Fisher County, TX, Haskell County, TX, Howard County, TX, Jack County, TX, Jones County, TX, Mitchell County, TX, Montague County, TX, Nolan County, TX, Shackelford County, TX, Taylor County, TX, Throckmorton County, TX, Young County, TX

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Aug 13, 5:22 PM CDTSevere Thunderstorm WarningSJTThrockmorton68 min
Aug 13, 5:28 PM CDTSevere Thunderstorm WarningMAFHoward, Mitchell62 min
Aug 13, 6:10 PM CDTSevere Thunderstorm WarningOUNArcher50 min
Aug 13, 6:18 PM CDTSevere Thunderstorm WarningOUNClay42 min
Aug 13, 6:27 PM CDTSevere Thunderstorm WarningSJTThrockmorton63 min
Aug 13, 6:42 PM CDTSevere Thunderstorm WarningSJTShackelford63 min
Aug 13, 6:52 PM CDTSevere Thunderstorm WarningMAFMitchell, Scurry53 min
Aug 13, 6:55 PM CDTSevere Thunderstorm WarningSJTNolan65 min
Aug 13, 6:57 PM CDTSevere Thunderstorm WarningOUNClay33 min
Aug 13, 7:07 PM CDTSevere Thunderstorm WarningSJTFisher53 min
Aug 13, 7:31 PM CDTSevere Thunderstorm WarningOUNClay59 min
Aug 13, 7:35 PM CDTSevere Thunderstorm WarningSJTJones55 min
Aug 13, 7:49 PM CDTSevere Thunderstorm WarningSJTShackelford41 min
Aug 13, 8:06 PM CDTSevere Thunderstorm WarningSJTTaylor54 min
Aug 13, 8:08 PM CDTSevere Thunderstorm WarningMAFMitchell52 min
Aug 13, 8:51 PM CDTSevere Thunderstorm WarningMAFHoward99 min
Aug 13, 9:23 PM CDTSevere Thunderstorm WarningSJTHaskell67 min

The nearest sounding before it

Fort Sill, OK (KFSI), launched 12:00Z, 9.4 hours before the alert went out and 231 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 Sill, OK at 12:00Z on 2002-08-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 421 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Sill, OK at 12:00Z on 2002-08-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 86 square meters per square second.1939Sfc1 km3 km6 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
421 J/kg
Mixed-layer CIN
-259 J/kg
Mixed-layer LCL
1164 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
86 m²/s²
0-3 km storm-relative helicity
95 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 12, 9:50 PM CDTSevere Thunderstorm WatchSPCHemphill, Lipscomb, Ochiltree, Wheeler5 hr
Aug 12, 11:40 PM CDTSevere Thunderstorm WatchSPCWilbarger5 hr

Nearby

Severe Thunderstorm Watches in Texas, 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.