Alert archive / Texas / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 3, NWS Lubbock, TX

April 2, 1997Garza County, Texas

NWS Lubbock, TX issued this severe thunderstorm warning at Apr 2, 1997, 8:17 PM CST for Garza County, Texas. It was in force for 48 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 2, 1997, 8:17 PM CST (02:17 UTC)
Expired
Apr 2, 1997, 9:05 PM CST
In force
48 min
Issued by
NWS Lubbock, TX
Area
Whole counties

County Garza County, TX

The radar

The Lubbock radar (KLBB), 71 km from the middle of the area, began a volume at 02:21 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.

What was reported inside it

TimeReportWhereRemark
Apr 2, 8:57 PM CSTHail 0.75Southland, 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

Midland Regional, TX (KMAF), launched 00:00Z, 2.3 hours before the alert went out and 161 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 00:00Z on 1997-04-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 887 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, Midland Regional, TX at 00:00Z on 1997-04-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 square meters per square second.1939587897117Sfc1 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
887 J/kg
Mixed-layer CIN
-40 J/kg
Mixed-layer LCL
1121 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
52 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLBB 030216 RRA
SVRLBB
TXC169-030305-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LUBBOCK TX
817 PM CST WED APR 2 1997

THE NATIONAL WEATHER SERVICE IN LUBBOCK TX HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 905 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTHWESTERN TEXAS

   ...GARZA COUNTY
 
AT 813 PM CST...A SEVERE THUNDERSTORM WAS INDICATED BY LUBBOCK
DOPPLER RADAR 15 MILES SOUTH SOUTHEAST OF POST OR 3 MILES SOUTH
SOUTHWEST OF JUSTICEBURG MOVING NORTH AT 35 MPH.  DOPPLER RADAR
INDICATED 1/2 TO 1 INCH SIZED HAIL WITH THIS STORM.

THIS STORM IS EXPECTED TO BE IN THE VICINITY OF...
              JUSTICEBURG       BY  820 PM CST
              POST              BY  835 PM CST

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...
DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR
PROTECTION...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

$$

JWL/WH

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

Local storm report, Apr 2, 7:28 PM CST, 49 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NATIONAL WEATHER SERVICE LUBBOCK TX
729 PM CST WED APR 02 1997

TIME(CST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0500 PM    SILVERTON                 TX   .88 INCH HAIL
04/02/97   BRISCOE

0538 PM    9 NW DIMMITT              TX   .75 INCH HAIL
04/02/97   CASTRO                         REPORTED BY CASTRO COUNTY
                                          SHERIFF'S OFFICE...HAIL
                                          COVERED ROAD AT
                                          INTERSECTION OF FM 1055
                                          AND FM 2397

0616 PM    12 N DIMMITT              TX   .75 INCH HAIL
04/02/97   CASTRO                         REPORTED BY CASTRO COUNTY
                                          SHERIFF'S OFFICE...PEA TO
                         *                 DIME SIZE HAIL 2-3 INCHES
                                          DEEP COVERED HIGHWAY 2943
                                          IN EXTREME NRN CASTRO AND
                                          SRN DEAF SMITH
Local storm report, Apr 2, 7:29 PM CST, 48 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NATIONAL WEATHER SERVICE LUBBOCK TX
729 PM CST WED APR 02 1997

TIME(CST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0500 PM    SILVERTON                 TX   .88 INCH HAIL
04/02/97   BRISCOE

0538 PM    9 NW DIMMITT              TX   .75 INCH HAIL
04/02/97   CASTRO                         REPORTED BY CASTRO COUNTY
                                          SHERIFFS OFFICE...HAIL
                                          COVERED ROAD AT
                                          INTERSECTION OF FM 1055
                                          AND FM 2397

0616 PM    12 N DIMMITT              TX   .75 INCH HAIL
04/02/97   CASTRO                         REPORTED BY CASTRO COUNTY
                                          SHERIFFS OFFICE...PEA TO
                                          DIME SIZE HAIL 2-3 INCHES
                                          DEEP COVERED HIGHWAY 2943
                                          IN EXTREME NRN CASTRO AND
                                          SRN DEAF SMITH

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 2, 6:09 PM CSTSevere Thunderstorm WarningLUBCastro31 min
Apr 2, 9:09 PM CSTSevere Thunderstorm WarningLUBCrosby46 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.