Alert archive / Texas / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 33, NWS Lubbock, TX

April 22, 1997Terry County, Texas

NWS Lubbock, TX issued this severe thunderstorm warning at Apr 22, 1997, 6:58 PM CDT for Terry County, Texas. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 22, 1997, 6:58 PM CDT (23:58 UTC)
Expired
Apr 22, 1997, 7:30 PM CDT
In force
32 min
Issued by
NWS Lubbock, TX
Area
Whole counties

County Terry County, TX

The radar

The Lubbock radar (KLBB), 72 km from the middle of the area, began a volume at 00:02 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 12.0 hours before the alert went out and 137 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, Midland Regional, TX at 12:00Z on 1997-04-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLEL10008507005003002001001 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, Midland Regional, TX at 12:00Z on 1997-04-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 square meters per square second.1939587897Sfc1 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
643 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
76 m²/s²
0-3 km storm-relative helicity
100 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLBB 222358 RRA
SVRLBB
TXC445-230030-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LUBBOCK TX
658 PM CDT TUE APR 22 1997

THE NATIONAL WEATHER SERVICE IN LUBBOCK TX HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 730 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTHWESTERN TEXAS

   ...TERRY COUNTY
 
AT 658 PM CDT...A SEVERE THUNDERSTORM WAS INDICATED BY LUBBOCK
DOPPLER RADAR AND SPOTTER REPORTS JUST NORTH OF SEAGRAVES MOVING
SOUTH SOUTHEAST AT 40 MPH.  GOLFBALL HAIL WAS REPORTED WITH THIS
STORM IN EASTERN YOAKUM COUNTY.

THIS STORM IS EXPECTED TO REMAIN IN RURAL AREAS TO THE WEST OF
WELLMAN.

WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD> MOVE INSIDE A
STRONG BUILDING. DO NOT STAND BY WINDOWS. DO NOT USE TELEPHONES OR
ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS
PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.



JJ
 

&

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 22, 1:47 AM CDTSevere Thunderstorm WarningLUBCrosby, Lubbock63 min
Apr 22, 6:09 PM CDTSevere Thunderstorm WarningLUBCochran, Yoakum46 min
Apr 22, 6:19 PM CDTTornado WarningLUBYoakum46 min

Nearby

Severe Thunderstorm Warnings in Texas, 1997Every severe thunderstorm warning in 1997

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; radar from the NEXRAD Level II archive.