Alert archive / Texas / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 9, NWS Lubbock, TX

April 28, 1993Floyd County, Texas

NWS Lubbock, TX issued this severe thunderstorm warning at Apr 28, 1993, 8:18 PM CDT for Floyd County, Texas. It was in force for 42 min.

The area

The counties it named.

The facts

Issued
Apr 28, 1993, 8:18 PM CDT (01:18 UTC)
Expired
Apr 28, 1993, 9:00 PM CDT
In force
42 min
Issued by
NWS Lubbock, TX
Area
Whole counties

County Floyd County, TX

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 1.3 hours before the alert went out and 134 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, Amarillo Airport, TX at 00:00Z on 1993-04-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1504 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Amarillo Airport, TX at 00:00Z on 1993-04-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 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
1504 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
1482 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
40 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.5

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 Lubbock, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 28, 8:15 PM CDTSevere Thunderstorm WarningLUBDickens45 min
Apr 29, 2:23 AM CDTSevere Thunderstorm WarningLUBTerry67 min
Apr 29, 3:08 AM CDTSevere Thunderstorm WarningLUBLynn52 min

Nearby

Severe Thunderstorm Warnings in Texas, 1993Every severe thunderstorm warning in 1993

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.