Alert archive / Texas / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 293, NWS San Angelo, TX

July 9, 2019Nolan County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at Jul 9, 2019, 6:31 PM CDT for Nolan County, Texas. It was in force for 29 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
Jul 9, 2019, 6:31 PM CDT (23:31 UTC)
Expired
Jul 9, 2019, 7:00 PM CDT
In force
29 min
Issued by
NWS San Angelo, TX
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Nolan County, TX

The radar

The San Angelo radar (KSJT), 104 km from the middle of the area, began a volume at 23:31 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 (KDRT), launched 12:00Z, 11.5 hours before the alert went out and 329 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 12:00Z on 2019-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2186 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 12:00Z on 2019-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 88 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
2186 J/kg
Mixed-layer CIN
-195 J/kg
Mixed-layer LCL
1190 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
88 m²/s²
0-3 km storm-relative helicity
180 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
Jul 8, 7:22 PM CDTSpecial Weather StatementSJTTaylor38 min
Jul 8, 7:32 PM CDTSevere Thunderstorm WarningSJTKimble, Menard43 min
Jul 8, 7:59 PM CDTSpecial Weather StatementSJTCrockett46 min
Jul 8, 8:02 PM CDTSpecial Weather StatementSJTRunnels43 min
Jul 8, 8:06 PM CDTSpecial Weather StatementSJTKimble39 min
Jul 8, 8:47 PM CDTSpecial Weather StatementSJTSutton43 min
Jul 8, 8:49 PM CDTSpecial Weather StatementSJTKimble41 min
Jul 8, 10:25 PM CDTSpecial Weather StatementSJTSchleicher50 min
Jul 8, 10:37 PM CDTSpecial Weather StatementSJTMcCulloch38 min
Jul 9, 2:57 PM CDTHeat AdvisorySJTBrown, Callahan, Coleman, Haskell, Jones, Runnels and 4 more28 hr
Jul 9, 5:38 PM CDTSpecial Weather StatementSJTIrion37 min
Jul 9, 6:15 PM CDTSpecial Weather StatementSJTNolan30 min
Jul 9, 6:18 PM CDTSpecial Weather StatementSJTCrockett27 min
Jul 9, 6:38 PM CDTSpecial Weather StatementSJTCrockett52 min
Jul 9, 6:48 PM CDTSevere Thunderstorm WarningSJTCrockett27 min

Nearby

Severe Thunderstorm Warnings in Texas, 2019Every severe thunderstorm warning in 2019

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.