Alert archive / Texas / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 121, NWS Houston/Galveston, TX

June 6, 2019Colorado County, Jackson County, Wharton County, Texas

NWS Houston/Galveston, TX issued this severe thunderstorm warning at Jun 6, 2019, 6:07 PM CDT for Colorado County, Jackson County, Wharton County, Texas. It was in force for 38 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 6, 2019, 6:07 PM CDT (23:07 UTC)
Expired
Jun 6, 2019, 6:45 PM CDT
In force
38 min
Issued by
NWS Houston/Galveston, TX
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Colorado County, TX, Jackson County, TX, Wharton County, TX

The radar

The Houston radar (KHGX), 134 km from the middle of the area, began a volume at 23:09 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 6, 2:29 PM CDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 11.1 hours before the alert went out and 194 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, Corpus Christi, TX at 12:00Z on 2019-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1899 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, Corpus Christi, TX at 12:00Z on 2019-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 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
1899 J/kg
Mixed-layer CIN
-56 J/kg
Mixed-layer LCL
1111 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
40 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.0

Open this sounding in Storm Lab

The office that day

Everything else NWS Houston/Galveston, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 5, 8:31 PM CDTAreal Flood AdvisoryHGXBrazoria, Matagorda119 min
Jun 5, 9:34 PM CDTRiver Flood WarningHGXBrazoria, Fort Bend47 hr
Jun 6, 3:44 AM CDTSpecial Weather StatementHGXBrazos, Burleson46 min
Jun 6, 4:37 AM CDTSpecial Weather StatementHGXGrimes, Washington38 min
Jun 6, 4:57 AM CDTSpecial Weather StatementHGXColorado33 min
Jun 6, 5:32 AM CDTSevere Thunderstorm WarningHGXAustin, Colorado, Fort Bend, Wharton43 min
Jun 6, 6:15 AM CDTSpecial Weather StatementHGXWharton45 min
Jun 6, 5:08 PM CDTSevere Thunderstorm WarningHGXAustin, Colorado37 min
Jun 6, 5:45 PM CDTSevere Thunderstorm WarningHGXAustin, Colorado, Fort Bend, Waller, Wharton45 min
Jun 6, 5:59 PM CDTSpecial Weather StatementHGXWaller46 min
Jun 6, 6:28 PM CDTSevere Thunderstorm WarningHGXBrazoria, Fort Bend47 min
Jun 6, 6:46 PM CDTSevere Thunderstorm WarningHGXBrazoria, Fort Bend, Jackson, Matagorda, Wharton44 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.