Alert archive / Texas / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 236, NWS San Angelo, TX

October 12, 2013Concho County, Tom Green County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at Oct 12, 2013, 8:48 PM CDT for Concho County, Tom Green County, Texas. It was in force for 27 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
Oct 12, 2013, 8:48 PM CDT (01:48 UTC)
Expired
Oct 12, 2013, 9:15 PM CDT
In force
27 min
Issued by
NWS San Angelo, TX
Area
Storm-based polygon

Counties Concho County, TX, Tom Green County, TX

The radar

The San Angelo radar (KSJT), 31 km from the middle of the area, began a volume at 01:49 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Del Rio, TX (KDLF), launched 00:00Z, 1.8 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, Del Rio, TX at 00:00Z on 2013-10-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1902 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, Del Rio, TX at 00:00Z on 2013-10-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 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
1902 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
1352 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
49 m²/s²
Significant tornado parameter
0.4
Supercell composite
3.1

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 12, 8:05 PM CDTSevere Thunderstorm WarningSJTSchleicher25 min
Oct 12, 8:37 PM CDTSevere Thunderstorm WarningSJTMenard23 min
Oct 12, 9:54 PM CDTSpecial Weather StatementSJTMenard51 min
Oct 12, 10:30 PM CDTSpecial Weather StatementSJTSan Saba60 min
Oct 12, 10:54 PM CDTSpecial Weather StatementSJTMason51 min
Oct 12, 11:24 PM CDTFlash Flood WarningSJTMcCulloch, San Saba6 hr
Oct 13, 12:17 AM CDTAreal Flood AdvisorySJTConcho, Tom Green118 min
Oct 13, 2:32 AM CDTAreal Flood AdvisorySJTConcho, Tom Green118 min
Oct 13, 6:43 AM CDTAreal Flood AdvisorySJTKimble2 hr
Oct 13, 7:17 AM CDTSpecial Weather StatementSJTTom Green58 min
Oct 13, 8:04 AM CDTAreal Flood AdvisorySJTTom Green116 min
Oct 13, 8:32 AM CDTFlash Flood WatchSJTBrown, Coke, Coleman, Concho, Crockett, Irion and 12 more22 hr
Oct 13, 8:51 AM CDTFlash Flood WarningSJTTom Green3 hr
Oct 13, 10:09 AM CDTAreal Flood AdvisorySJTConcho81 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; radar from the NEXRAD Level II archive.