Alert archive / Texas / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 170, NWS San Angelo, TX

June 4, 2017Schleicher County, Sutton County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at Jun 4, 2017, 9:16 PM CDT for Schleicher County, Sutton County, Texas. It was in force for 44 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
Jun 4, 2017, 9:16 PM CDT (02:16 UTC)
Expired
Jun 4, 2017, 10:00 PM CDT
In force
44 min
Issued by
NWS San Angelo, TX
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Schleicher County, TX, Sutton County, TX

The radar

The San Angelo radar (KSJT), 75 km from the middle of the area, began a volume at 02:16 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, 2.3 hours before the alert went out and 150 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 2017-06-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 345 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 2017-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 44 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
345 J/kg
Mixed-layer CIN
-76 J/kg
Mixed-layer LCL
2197 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
44 m²/s²
0-3 km storm-relative helicity
84 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 4, 7:56 PM CDTSpecial Weather StatementSJTIrion, Tom Green34 min
Jun 4, 8:06 PM CDTAreal Flood AdvisorySJTTom Green54 min
Jun 4, 8:36 PM CDTSpecial Weather StatementSJTSchleicher39 min
Jun 4, 8:52 PM CDTSevere Thunderstorm WarningSJTSchleicher, Tom Green23 min
Jun 4, 10:02 PM CDTSpecial Weather StatementSJTSutton13 min
Jun 4, 10:11 PM CDTSpecial Weather StatementSJTMcCulloch49 min
Jun 5, 12:00 AM CDTSpecial Weather StatementSJTSutton30 min

Nearby

Severe Thunderstorm Warnings in Texas, 2017Every severe thunderstorm warning in 2017

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.