Alert archive / Texas / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 21, NWS Amarillo, TX

April 9, 1992Carson County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Apr 9, 1992, 8:50 PM CDT for Carson County, Texas. It was in force for 25 min. 1 report 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
Apr 9, 1992, 8:50 PM CDT (01:50 UTC)
Expired
Apr 9, 1992, 9:15 PM CDT
In force
25 min
Issued by
NWS Amarillo, TX
Area
Whole counties

County Carson County, TX

What was reported inside it

TimeReportWhereRemark
Apr 9, 8:59 PM CDTHail 1Carson, 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 00:00Z, 1.8 hours before the alert went out and 37 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 1992-04-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 489 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 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 1992-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 44 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
489 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
2385 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
44 m²/s²
0-3 km storm-relative helicity
123 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.9

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KAMA 100150
SVRAMA
TXC065-100230-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
850 PM CDT THU APR 9 1992
 
THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  930 PM CDT
FOR THE PEOPLE IN THE FOLLOWING LOCATIONS
 
IN THE TEXAS PANHANDLE
 
   ...SOUTHEASTERN CARSON COUNTY
 
AT 849 PM CDT...AMARILLO RADAR INDICATED A SEVERE THUNDERSTORM JUST
NORTHEAST OF CONWAY. THE STORM WAS DRIFTING SLOWLY TO THE EAST. RADAR
INDICATED HAIL WITH THIS THUNDERSTORM.
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 9, 7:06 PM CDTTornado WarningAMASwisher39 min
Apr 9, 7:11 PM CDTTornado WarningAMAPotter49 min
Apr 9, 7:45 PM CDTSevere Thunderstorm WarningAMAArmstrong, Carson, Randall60 min
Apr 9, 7:58 PM CDTTornado WarningAMAPotter32 min
Apr 9, 8:44 PM CDTSevere Thunderstorm WarningAMAGray46 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.