Alert archive / Texas / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 51, NWS Lubbock, TX

May 7, 1997Hale County, Texas

NWS Lubbock, TX issued this severe thunderstorm warning at May 7, 1997, 6:05 PM CDT for Hale County, Texas. It was in force for 50 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
May 7, 1997, 6:05 PM CDT (23:05 UTC)
Expired
May 7, 1997, 6:55 PM CDT
In force
50 min
Issued by
NWS Lubbock, TX
Area
Whole counties

County Hale County, TX

The radar

The Lubbock radar (KLBB), 46 km from the middle of the area, began a volume at 23:07 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

Amarillo Airport, TX (KAMA), launched 12:00Z, 11.1 hours before the alert went out and 129 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 12:00Z on 1997-05-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 250 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, Amarillo Airport, TX at 12:00Z on 1997-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 240 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
250 J/kg
Mixed-layer CIN
-365 J/kg
Mixed-layer LCL
1218 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
240 m²/s²
0-3 km storm-relative helicity
259 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

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
May 6, 7:18 PM CDTSevere Thunderstorm WarningLUBParmer62 min
May 6, 7:39 PM CDTSevere Thunderstorm WarningLUBCastro66 min
May 6, 8:14 PM CDTTornado WarningLUBCastro51 min
May 6, 8:18 PM CDTSevere Thunderstorm WarningLUBParmer62 min
May 6, 9:05 PM CDTSevere Thunderstorm WarningLUBCastro65 min
May 6, 9:36 PM CDTSevere Thunderstorm WarningLUBSwisher64 min
May 6, 9:57 PM CDTSevere Thunderstorm WarningLUBHale63 min

Nearby

Severe Thunderstorm Warnings in Texas, 1997Every severe thunderstorm warning in 1997

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.