Alert archive / Texas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 101, NWS Lubbock, TX

October 1, 1998Castro County, Texas

NWS Lubbock, TX issued this severe thunderstorm warning at Oct 1, 1998, 4:08 PM CDT for Castro County, Texas. It was in force for 47 min. 2 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
Oct 1, 1998, 4:08 PM CDT (21:08 UTC)
Expired
Oct 1, 1998, 4:55 PM CDT
In force
47 min
Issued by
NWS Lubbock, TX
Area
Whole counties

County Castro County, TX

What was reported inside it

TimeReportWhereRemark
Oct 1, 4:20 PM CDTHail 1.75Hart, TX
Oct 1, 4:32 PM CDTHail 0.88Hart, 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.

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 9.1 hours before the alert went out and 93 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 1998-10-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 255 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 1998-10-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 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
255 J/kg
Mixed-layer CIN
-133 J/kg
Mixed-layer LCL
922 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
71 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

512 
WUUS1 KLBB 012109 RRA
SVRLBB
TXC069-012155-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LUBBOCK TX
408 PM CDT THU OCT 1 1998

THE NATIONAL WEATHER SERVICE IN LUBBOCK HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN CASTRO COUNTY IN THE TEXAS PANHANDLE

* UNTIL 455 PM CDT

* AT 406 PM CDT... NATIONAL WEATHER SERVICE DOPPLER RADAR AND
  SPOTTERS INDICATED A SEVERE THUNDERSTORM WITH QUARTER-SIZED HAIL
  16 MILES SOUTH OF DIMMITT OR 11 MILES SOUTHWEST OF HART MOVING
  NORTHEAST AT 30 MPH.

* SOME LOCATIONS THAT MAY BE AFFECTED BY THIS STORM INCLUDE:
         HART                        AROUND 420 PM CDT

DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY
BUILDING AND STAY AWAY FROM WINDOWS

JV

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 1, 1:24 PM CDT, 2 hours 44 minutes before
TXZ021>044-012000-

AREA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE LUBBOCK TX
124 PM CDT THU OCT 1 1998

ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE OVER THE SOUTH PLAINS...
EXTREME SOUTHERN PANHANDLE...AND LOW ROLLING PLAINS THIS AFTERNOON
AND TONIGHT.  THE MAIN THREAT WILL BE LARGE HAIL AND HIGH WINDS.

A COLD FRONT HAS VIRTUALLY STALLED JUST NORTH OF THE SOUTH PLAINS.
AT 1 PM...THERE WAS ALMOST A 30 DEGREE TEMPERATURE DIFFERENCE
BETWEEN AMARILLO AND CHILDRESS.  OTHER INGREDIENTS WILL COME
TOGETHER ACROSS OUR AREA THIS AFTERNOON AND TONIGHT TO CAUSE
POTENTIALLY SEVERE THUNDERSTORMS. THE ATMOSPHERE IS WARM...MOIST AND
UNSTABLE. IN ADDITION...A LOW PRESSURE SYSTEM WILL APPROACH FROM THE
WEST.

THUNDERSTORMS THAT FORMED OVER THE SOUTH PLAINS AREA AT MIDDAY ARE
EXPECTED TO INCREASE IN NUMBER AND INTENSITY THE REST OF THIS
AFTERNOON INTO TONIGHT.

SPOTTER ACTIVATION MAY BE NECESSARY THIS AFTERNOON OR EVENING.

LV
Special weather statement, Oct 1, 1:24 PM CDT, 2 hours 44 minutes before
TXZ021>044-012000-

AREA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE LUBBOCK TX
124 PM CDT THU OCT 1 1998

ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE OVER THE SOUTH PLAINS...
EXTREME SOUTHERN PANHANDLE...AND LOW ROLLING PLAINS THIS AFTERNOON
AND TONIGHT.  THE MAIN THREAT WILL BE LARGE HAIL AND HIGH WINDS.

A COLD FRONT HAS VIRTUALLY STALLED JUST NORTH OF THE SOUTH PLAINS.
AT 1 PM...THERE WAS ALMOST A 30 DEGREE TEMPERATURE DIFFERENCE
BETWEEN AMARILLO AND CHILDRESS.  OTHER INGREDIENTS WILL COME
TOGETHER ACROSS OUR AREA THIS AFTERNOON AND TONIGHT TO CAUSE
POTENTIALLY SEVERE THUNDERSTORMS. THE ATMOSPHERE IS WARM...MOIST AND
UNSTABLE. IN ADDITION...A LOW PRESSURE SYSTEM WILL APPROACH FROM THE
WEST.

THUNDERSTORMS THAT FORMED OVER THE SOUTH PLAINS AREA AT MIDDAY ARE
EXPECTED TO INCREASE IN NUMBER AND INTENSITY THE REST OF THIS
AFTERNOON INTO TONIGHT.

SPOTTER ACTIVATION MAY BE NECESSARY THIS AFTERNOON OR EVENING.

LV

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 1, 2:44 PM CDTSevere Thunderstorm WarningLUBFloyd46 min
Oct 1, 3:18 PM CDTSevere Thunderstorm WarningLUBMotley47 min
Oct 1, 3:22 PM CDTSevere Thunderstorm WarningLUBBriscoe48 min
Oct 1, 3:30 PM CDTSevere Thunderstorm WarningLUBHale45 min
Oct 1, 3:45 PM CDTSevere Thunderstorm WarningLUBLamb30 min
Oct 1, 4:39 PM CDTSevere Thunderstorm WarningLUBSwisher46 min

Nearby

Severe Thunderstorm Warnings in Texas, 1998Every severe thunderstorm warning in 1998

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.