Alert archive / Texas / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 255, NWS San Angelo, TX

June 4, 2016Callahan County, Coleman County, Runnels County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at Jun 4, 2016, 6:44 PM CDT for Callahan County, Coleman County, Runnels County, Texas. It was in force for 46 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, 2016, 6:44 PM CDT (23:44 UTC)
Expired
Jun 4, 2016, 7:30 PM CDT
In force
46 min
Issued by
NWS San Angelo, TX
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Callahan County, TX, Coleman County, TX, Runnels County, TX

The radar

The Dyess AFB radar (KDYX), 71 km from the middle of the area, began a volume at 23:48 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

Fort Worth, TX (KFWD), launched 12:00Z, 11.7 hours before the alert went out and 237 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 2016-06-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 661 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 2016-06-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 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
661 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
584 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
19 m²/s²
0-3 km storm-relative helicity
85 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

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, 3:44 PM CDTSpecial Weather StatementSJTFisher31 min
Jun 4, 5:12 PM CDTSpecial Weather StatementSJTShackelford33 min
Jun 4, 5:38 PM CDTSevere Thunderstorm WarningSJTCallahan, Shackelford37 min
Jun 4, 6:08 PM CDTSpecial Weather StatementSJTCallahan22 min
Jun 4, 6:30 PM CDTSpecial Weather StatementSJTTaylor30 min
Jun 4, 6:31 PM CDTSpecial Weather StatementSJTCallahan, Coleman29 min
Jun 4, 6:37 PM CDTAreal Flood AdvisorySJTTaylor113 min
Jun 4, 6:51 PM CDTSpecial Weather StatementSJTRunnels24 min

Nearby

Severe Thunderstorm Warnings in Texas, 2016Every severe thunderstorm warning in 2016

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.