Alert archive / Texas / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 252, NWS Amarillo, TX

October 4, 1994Oldham County, Randall County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Oct 4, 1994, 5:18 PM CDT for Oldham County, Randall County, Texas. It was in force for 57 min.

The area

The counties it named.

The facts

Issued
Oct 4, 1994, 5:18 PM CDT (22:18 UTC)
Expired
Oct 4, 1994, 6:15 PM CDT
In force
57 min
Issued by
NWS Amarillo, TX
Area
Whole counties

Counties Oldham County, TX, Randall County, TX

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 10.3 hours before the alert went out and 50 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 1994-10-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 463 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Amarillo Airport, TX at 12:00Z on 1994-10-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 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
463 J/kg
Mixed-layer CIN
-170 J/kg
Mixed-layer LCL
1217 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
67 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KAMA 042220 RRA
SVRAMA
TXC359-381-042315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
518 PM CDT TUE OCT 4 1994
 
THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  615 PM CDT
FOR THE PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN THE TEXAS PANHANDLE
 
   ...EASTERN OLDHAM COUNTY...EASTERN RANDALL COUNTY
 
AT 516 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED TWO
SEVERE THUNDERSTORMS. ONE STORM WAS LOCATED ACROSS THE SOUTHERN EDGE OF
AMARILLO. THE OTHER STORM WAS LOCATED 10 MILES NORTHEAST OF VEGA...
MOVING ACROSS HIGHWAY 385. THE THUNDERSTORMS WERE MOVING EAST AT 15
MILES AN HOUR.
 
 
A SEVERE THUNDERSTORM WARNING MEANS THAT SEVERE WEATHER HAS BEEN
OBSERVED OR IS INDICATED BY RADAR.  PEOPLE IN THE PATH OF THIS
STORM SHOULD TAKE ACTION TO PROTECT THEMSELVES AND THEIR PROPERTY.
MOVE INDOORS AND AWAY FROM WINDOWS.  DO NOT DRIVE INTO AREA2S WHERE
WATER COVERS THE ROAD.

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, Oct 4, 12:34 PM CDT, 4 hours 44 minutes before
OKZ001>003-TXZ001>026-040600-

TEXAS/OKLAHOMA PANHANDLES THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE AMARILLO TX
100 PM CDT TUE 0CT 04 1994

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS THE WESTERN HALF
OF THE OKLAHOMA PANHANDLE AND ALL BUT THE NORTHEAST CORNER OF THE
TEXAS PANHANDLE FOR LATE THIS AFTERNOON AND TONIGHT.

WARM MOIST AIR CONTINUES TO INCREASE ACROSS THE PANHANDLES EARLY THIS
AFTERNOON RESULTING IN A MODERATELY UNSTABLE ATMOSPHERE.  A WEAK
STATIONARY FRONT LYING ACROSS THE PANHANDLES WILL HELP TRIGGER
THUNDERSTORMS THROUGHOUT THE AFTERNOON AND WELL INTO THE EVENING.

DUE TO THE INCREASING INSTABILITY...SOME OF THESE STORMS MAY BECOME
SEVERE.  THE MAIN THREAT FROM THE STORMS WILL BE LARGE HAIL.

SPOTTER GROUPS AND EMERGENCY MANAGEMENT PERSONNEL ACROSS THE
WESTERN OKLAHOMA PANHANDLE AND MOST OF THE TEXAS PANHANDLE SHOULD BE
PREPARED FOR POSSIBLE ACTIVATION FOR LATE THIS AFTERNOON AND EVENING.

SD

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 4, 4:12 PM CDTSevere Thunderstorm WarningAMAPotter, Randall63 min
Oct 4, 6:33 PM CDTSevere Thunderstorm WarningAMAPotter42 min

Nearby

Severe Thunderstorm Warnings in Texas, 1994Every severe thunderstorm warning in 1994

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.