Alert archive / Texas / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 135, NWS Amarillo, TX

August 20, 1990Lipscomb County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Aug 20, 1990, 2:26 PM CDT for Lipscomb County, Texas. It was in force for 64 min.

The area

The counties it named.

The facts

Issued
Aug 20, 1990, 2:26 PM CDT (19:26 UTC)
Expired
Aug 20, 1990, 3:30 PM CDT
In force
64 min
Issued by
NWS Amarillo, TX
Area
Whole counties

County Lipscomb County, TX

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Dodge City, (KDDC), launched 12:00Z, 7.4 hours before the alert went out and 169 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, Dodge City, at 12:00Z on 1990-08-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1264 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, Dodge City, at 12:00Z on 1990-08-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 123 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
1264 J/kg
Mixed-layer CIN
-105 J/kg
Mixed-layer LCL
1004 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
123 m²/s²
0-3 km storm-relative helicity
130 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.5

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 Amarillo, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 19, 11:22 PM CDTSevere Thunderstorm WarningAMADallam68 min
Aug 20, 1:56 PM CDTSevere Thunderstorm WarningAMAHemphill64 min
Aug 20, 2:50 PM CDTSevere Thunderstorm WarningAMAGray, Roberts55 min
Aug 20, 6:46 PM CDTSevere Thunderstorm WarningAMAPotter59 min
Aug 19, 10:39 PM CDTSevere Thunderstorm WarningAMACimarron36 min

Nearby

Severe Thunderstorm Warnings in Texas, 1990Every severe thunderstorm warning in 1990

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.