Alert archive / Texas / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 14, NWS Amarillo, TX

April 9, 1992Parmer County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Apr 9, 1992, 4:39 PM CDT for Parmer County, Texas. It was in force for 51 min.

The area

The counties it named.

The facts

Issued
Apr 9, 1992, 4:39 PM CDT (21:39 UTC)
Expired
Apr 9, 1992, 5:30 PM CDT
In force
51 min
Issued by
NWS Amarillo, TX
Area
Whole counties

County Parmer County, TX

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 9.7 hours before the alert went out and 126 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 1992-04-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 437 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 1992-04-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 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
437 J/kg
Mixed-layer CIN
-240 J/kg
Mixed-layer LCL
2140 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
64 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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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, Apr 9, 11:42 AM CDT, 4 hours 57 minutes before
TXZ001>009-NMZ005-009-013-OKZ001>003-100500-

TEXAS/OKLAHOMA PANHANDLES THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE AMARILLO TX
1142 AM CDT THU APR 9 1992

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS THE TEXAS AND
OKLAHOMA PANHANDLES THIS AFTERNOON AND EVENING.

A VERY UNSTABLE AIRMASS...A WEAK COLD FRONT...AND A MINOR UPPER LEVEL
IMPULSE WILL MAKE CONDITIONS FAVORABLE FOR THE DEVELOPMENT OF
THUNDERSTORMS.  ALTHOUGH ALL COUNTIES IN THE PANHANDLES RUN THE RISK OF
HAVING THUNDERSTORMS...THE COUNTIES IN THE EASTERN HALVES HAVE THE
HIGHEST RISK.

LARGE HAIL...STRONG WINDS...AND HEAVY RAIN ARE THE MAIN THREAT FROM THE
STORMS.

SPOTTERS...EMERGENCY MANAGEMENT PERSONNEL...AND LAW ENFORCEMENT AGENCIES
SHOULD REMAIN ALERT FOR POSSIBLE ACTIVATION THIS AFTERNOON AND EVENING.

SP

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 8, 7:17 PM CDTSevere Thunderstorm WarningAMAHall43 min
Apr 9, 3:59 PM CDTSevere Thunderstorm WarningAMADeaf Smith61 min
Apr 9, 4:42 PM CDTSevere Thunderstorm WarningAMAHemphill, Roberts63 min
Apr 9, 6:18 PM CDTSevere Thunderstorm WarningAMACarson57 min
Apr 9, 6:24 PM CDTSevere Thunderstorm WarningAMASwisher66 min
Apr 9, 6:39 PM CDTSevere Thunderstorm WarningAMARandall66 min
Apr 9, 6:53 PM CDTTornado WarningAMACarson37 min
Apr 9, 3:01 PM CDTSevere Thunderstorm WarningAMACurry59 min
Apr 9, 4:02 PM CDTSevere Thunderstorm WarningAMACurry28 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; the sounding from the Mesonet's radiosonde archive.