Alert archive / Texas / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 140, NWS Amarillo, TX

June 18, 1992Potter County, Randall County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Jun 18, 1992, 5:44 PM CDT for Potter County, Randall County, Texas. It was in force for 61 min. 4 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 18, 1992, 5:44 PM CDT (22:44 UTC)
Expired
Jun 18, 1992, 6:45 PM CDT
In force
61 min
Issued by
NWS Amarillo, TX
Area
Whole counties

Counties Potter County, TX, Randall County, TX

What was reported inside it

TimeReportWhereRemark
Jun 18, 5:48 PM CDTHail 1.75Potter, TX
Jun 18, 5:58 PM CDTHail 0.75Randall, TX
Jun 18, 6:16 PM CDTHail 4.5Randall, TX
Jun 18, 6:40 PM CDTHail 1.75Randall, TX

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 10.7 hours before the alert went out and 18 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 1992-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 223 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 1992-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 135 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
223 J/kg
Mixed-layer CIN
-287 J/kg
Mixed-layer LCL
1973 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
135 m²/s²
0-3 km storm-relative helicity
144 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

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.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jun 18, 12:53 PM CDT, 4 hours 51 minutes before
TXZ001>009-NMZ005-009-013-OKZ001>003-190500-

TEXAS/OKLAHOMA PANHANDLES THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE AMARILLO TX
100 PM CDT THU JUN 18 1992

THUNDERSTORMS ARE NOT EXPECTED TODAY ACROSS THE OKLAHOMA AND TEXAS
PANHANDLES.

THE AIRMASS OVER THE PANHANDLES IS SLIGHTLY UNSTABLE BUT WARM
TEMPERATURES ALOFT WILL ACT AS A CAP AND INHIBIT THUNDERSTORM
DEVELOPMENT.

SPOTTER ACTIVATION WILL NOT BE LIKELY TODAY.

SP

The office that day

Everything else NWS Amarillo, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 18, 5:34 PM CDTSevere Thunderstorm WarningAMALipscomb, Ochiltree56 min
Jun 18, 6:23 PM CDTSevere Thunderstorm WarningAMAOldham52 min
Jun 18, 6:33 PM CDTSevere Thunderstorm WarningAMALipscomb57 min
Jun 18, 6:45 PM CDTSevere Thunderstorm WarningAMARandall30 min
Jun 18, 6:45 PM CDTTornado WarningAMARandall30 min
Jun 18, 6:39 PM CDTTornado WarningAMABeaver36 min

Nearby

Severe Thunderstorm Warnings in Texas, 1992Every severe thunderstorm warning in 1992

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.