Alert archive / Texas / Severe Thunderstorm Watches in 2002

Severe Thunderstorm Watch 351

May 27, 200222 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at May 27, 2002, 11:30 PM CDT for 22 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
May 27, 2002, 11:30 PM CDT (04:30 UTC)
Expired
May 28, 2002, 5:00 AM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 22 counties

Bandera County, TX, Bastrop County, TX, Bexar County, TX, Blanco County, TX, Burleson County, TX, Burnet County, TX, Caldwell County, TX, Comal County, TX, DeWitt County, TX, Fayette County, TX, Gillespie County, TX, Gonzales County, TX, Guadalupe County, TX, Hays County, TX, Kendall County, TX, Kerr County, TX, Lampasas County, TX, Lee County, TX, Llano County, TX, Travis County, TX, Williamson County, TX, Wilson County, TX

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
May 27, 11:35 PM CDTSevere Thunderstorm WarningEWXKerr55 min
May 28, 1:21 AM CDTSevere Thunderstorm WarningEWXKendall54 min

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 4.5 hours before the alert went out and 276 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 2002-05-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2002-05-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1557 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
30 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
May 27, 7:30 PM CDTTornado WatchSPCArmstrong, Briscoe, Childress, Collingsworth, Cottle, Crosby and 13 more5 hr
May 27, 7:45 PM CDTSevere Thunderstorm WatchSPCAtascosa, Bandera, Bexar, Blanco, Borden, Brown and 36 more4 hr
May 28, 5:00 PM CDTTornado WatchSPCAndrews, Crane, Crockett, Dawson, Ector, Edwards and 13 more6 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.