Alert archive / Texas / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 151, NWS San Angelo, TX

May 30, 2013Callahan County, Taylor County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at May 30, 2013, 3:06 AM CDT for Callahan County, Taylor County, Texas. It was in force for 39 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 30, 2013, 3:06 AM CDT (08:06 UTC)
Expired
May 30, 2013, 3:45 AM CDT
In force
39 min
Issued by
NWS San Angelo, TX
Area
Storm-based polygon

Counties Callahan County, TX, Taylor County, TX

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 8.1 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 2013-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 708 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 2013-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 306 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
708 J/kg
Mixed-layer CIN
-87 J/kg
Mixed-layer LCL
917 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
306 m²/s²
0-3 km storm-relative helicity
396 m²/s²
Significant tornado parameter
1.2
Supercell composite
8.8

Open this sounding in Storm Lab

The office that day

Everything else NWS San Angelo, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 30, 2:29 AM CDTSpecial Weather StatementSJTTaylor31 min
May 30, 3:45 AM CDTSevere Thunderstorm WarningSJTCallahan, Shackelford, Taylor30 min
May 30, 4:14 AM CDTSpecial Weather StatementSJTCallahan31 min
May 30, 4:44 AM CDTSpecial Weather StatementSJTCallahan46 min
May 30, 5:28 AM CDTSpecial Weather StatementSJTCallahan32 min
May 30, 4:42 PM CDTSpecial Weather StatementSJTThrockmorton48 min

Nearby

Severe Thunderstorm Warnings in Texas, 2013Every severe thunderstorm warning in 2013

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.