Alert archive / Texas / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 302, NWS San Angelo, TX

June 30, 2015Irion County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at Jun 30, 2015, 1:43 AM CDT for Irion County, Texas. It was in force for 62 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 30, 2015, 1:43 AM CDT (06:43 UTC)
Expired
Jun 30, 2015, 2:45 AM CDT
In force
62 min
Issued by
NWS San Angelo, TX
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Irion County, TX

The radar

The San Angelo radar (KSJT), 47 km from the middle of the area, began a volume at 06:45 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

Midland Regional, TX (KMAF), launched 00:00Z, 6.7 hours before the alert went out and 136 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, Midland Regional, TX at 00:00Z on 2015-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 202 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, Midland Regional, TX at 00:00Z on 2015-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -53 square meters per square second.1939Sfc1 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
202 J/kg
Mixed-layer CIN
-96 J/kg
Mixed-layer LCL
2758 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
-53 m²/s²
0-3 km storm-relative helicity
-6 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 29, 8:43 PM CDTSpecial Weather StatementSJTSan Saba47 min
Jun 29, 9:12 PM CDTAreal Flood AdvisorySJTSan Saba2 hr
Jun 29, 9:24 PM CDTSpecial Weather StatementSJTSan Saba36 min
Jun 29, 9:54 PM CDTSpecial Weather StatementSJTMcCulloch36 min
Jun 29, 10:22 PM CDTSpecial Weather StatementSJTMcCulloch38 min
Jun 29, 10:30 PM CDTAreal Flood AdvisorySJTMcCulloch2 hr
Jun 29, 10:47 PM CDTSevere Thunderstorm WarningSJTCoke, Runnels28 min
Jun 29, 10:55 PM CDTSpecial Weather StatementSJTConcho50 min
Jun 30, 12:25 AM CDTSpecial Weather StatementSJTTom Green20 min
Jun 30, 12:33 AM CDTAreal Flood AdvisorySJTCoke, Tom Green117 min
Jun 30, 12:47 AM CDTSpecial Weather StatementSJTHaskell58 min
Jun 30, 1:05 AM CDTSpecial Weather StatementSJTFisher55 min
Jun 30, 1:30 AM CDTSpecial Weather StatementSJTIrion60 min
Jun 30, 1:58 AM CDTSpecial Weather StatementSJTFisher, Jones62 min
Jun 30, 2:19 AM CDTAreal Flood AdvisorySJTIrion86 min
Jun 30, 2:38 AM CDTAreal Flood AdvisorySJTNolan, Taylor112 min
Jun 30, 3:08 AM CDTSpecial Weather StatementSJTCoke, Nolan, Taylor52 min
Jun 30, 5:50 AM CDTAreal Flood AdvisorySJTIrion85 min

Nearby

Severe Thunderstorm Warnings in Texas, 2015Every severe thunderstorm warning in 2015

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.