Alert archive / Texas / Severe Thunderstorm Watches in 2002

Severe Thunderstorm Watch 346

May 27, 200240 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at May 27, 2002, 6:00 PM CDT for 40 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
May 27, 2002, 6:00 PM CDT (23:00 UTC)
Expired
May 28, 2002, 12:00 AM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 40 counties

Anderson County, TX, Bell County, TX, Blanco County, TX, Bosque County, TX, Brazos County, TX, Burleson County, TX, Burnet County, TX, Comanche County, TX, Coryell County, TX, Eastland County, TX, Ellis County, TX, Erath County, TX, Falls County, TX, Freestone County, TX, Gillespie County, TX, Grimes County, TX, Hamilton County, TX, Henderson County, TX, Hill County, TX, Hood County, TX, Houston County, TX, Johnson County, TX, Lampasas County, TX, Lee County, TX, Leon County, TX, Limestone County, TX, Llano County, TX, Madison County, TX, McLennan County, TX, Milam County, TX, Mills County, TX, Montgomery County, TX, Navarro County, TX, Robertson County, TX, San Saba County, TX, Somervell County, TX, Travis County, TX, Van Zandt County, TX, Walker County, TX, Williamson County, TX

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
May 27, 6:28 PM CDTSevere Thunderstorm WarningFWDNavarro62 min
May 27, 6:46 PM CDTTornado WarningSJTMcCulloch, San Saba59 min
May 27, 7:43 PM CDTSevere Thunderstorm WarningSJTSan Saba62 min
May 27, 8:01 PM CDTSevere Thunderstorm WarningEWXBurnet59 min
May 27, 9:03 PM CDTSevere Thunderstorm WarningEWXWilliamson57 min
May 27, 9:06 PM CDTSevere Thunderstorm WarningHGXHouston39 min
May 27, 9:52 PM CDTSevere Thunderstorm WarningEWXWilliamson53 min
May 27, 10:29 PM CDTSevere Thunderstorm WarningSJTSan Saba61 min

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 11.0 hours before the alert went out and 137 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 12:00Z on 2002-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 525 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 12:00Z on 2002-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -64 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
525 J/kg
Mixed-layer CIN
-221 J/kg
Mixed-layer LCL
1185 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
-64 m²/s²
0-3 km storm-relative helicity
25 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.4

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 27, 12:30 PM CDTSevere Thunderstorm WatchSPCAnderson, Archer, Bosque, Bowie, Camp, Cass and 56 more7 hr
May 27, 1:15 PM CDTTornado WatchSPCAndrews, Bandera, Borden, Callahan, Coke, Coleman and 36 more7 hr
May 27, 1:45 PM CDTTornado WatchSPCArmstrong, Briscoe, Carson, Castro, Childress, Collingsworth and 31 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.