Alert archive / Texas / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 126, NWS Austin/San Antonio, TX

June 6, 1991Maverick County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Jun 6, 1991, 3:16 AM CDT for Maverick County, Texas. It was in force for 59 min.

The area

The counties it named.

The facts

Issued
Jun 6, 1991, 3:16 AM CDT (08:16 UTC)
Expired
Jun 6, 1991, 4:15 AM CDT
In force
59 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Maverick County, TX

The nearest sounding before it

Midland Regional, TX (KMAF), launched 00:00Z, 8.3 hours before the alert went out and 400 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 1991-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 30 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 1991-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 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
30 J/kg
Mixed-layer CIN
-189 J/kg
Mixed-layer LCL
2179 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
76 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 6, 12:25 AM CDTSevere Thunderstorm WarningEWXVal Verde65 min
Jun 6, 1:42 AM CDTSevere Thunderstorm WarningEWXKinney63 min
Jun 6, 4:17 AM CDTSevere Thunderstorm WarningEWXDimmit, Zavala58 min

Nearby

Severe Thunderstorm Warnings in Texas, 1991Every severe thunderstorm warning in 1991

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.