Alert archive / Texas / Tornado Warnings in 1997

Tornado Warning 33, NWS Lubbock, TX

May 30, 1997Floyd County, Texas

NWS Lubbock, TX issued this tornado warning at May 30, 1997, 3:49 AM CDT for Floyd County, Texas. It was in force for 31 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
May 30, 1997, 3:49 AM CDT (08:49 UTC)
Expired
May 30, 1997, 4:20 AM CDT
In force
31 min
Issued by
NWS Lubbock, TX
Area
Whole counties

County Floyd County, TX

The radar

The Lubbock radar (KLBB), 66 km from the middle of the area, began a volume at 08:50 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
May 30, 3:50 AM CDTHail 1.25Mc Coy, 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 00:00Z, 8.8 hours before the alert went out and 134 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 1997-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1786 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 00:00Z on 1997-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 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
1786 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
1541 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
177 m²/s²
Significant tornado parameter
0.5
Supercell composite
5.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLBB 300848 RRA
TORLBB
TXC153-300920-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LUBBOCK TX
349 AM CDT FRI MAY 30 1997

THE NATIONAL WEATHER SERVICE IN LUBBOCK TX HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 420 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTHWESTERN TEXAS

   ...SOUTHWESTERN FLOYD COUNTY
 
THE HALE COUNTY SHERIFF'S OFFICE REPORTED A POSSIBLE TORNADO JUST
NORTH OF PETERSBURG MOVING SOUTHEAST INTO SOUTHWESTERN FLOYD COUNTY.
PERSONS IN THE RURAL SECTIONS OF SOUTHWEST FLOYD COUNTY ARE IN THE
PATH OF THIS STORM AND SHOULD TAKE COVER NOW.


JWL/WGH

The office that day

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

IssuedProductOfficeCountiesLasted
May 29, 7:24 PM CDTSevere Thunderstorm WarningLUBLynn51 min
May 29, 8:19 PM CDTSevere Thunderstorm WarningLUBGarza, Lynn46 min
May 29, 10:01 PM CDTTornado WarningLUBSwisher64 min
May 29, 10:21 PM CDTSevere Thunderstorm WarningLUBParmer64 min
May 29, 10:50 PM CDTSevere Thunderstorm WarningLUBBriscoe, Hall65 min
May 29, 10:59 PM CDTSevere Thunderstorm WarningLUBSwisher46 min
May 29, 11:11 PM CDTSevere Thunderstorm WarningLUBCastro64 min
May 29, 11:36 PM CDTSevere Thunderstorm WarningLUBLamb64 min
May 29, 11:44 PM CDTSevere Thunderstorm WarningLUBSwisher31 min
May 30, 12:40 AM CDTSevere Thunderstorm WarningLUBLamb30 min
May 30, 1:40 AM CDTSevere Thunderstorm WarningLUBSwisher35 min
May 30, 2:16 AM CDTSevere Thunderstorm WarningLUBSwisher34 min
May 30, 2:34 AM CDTSevere Thunderstorm WarningLUBHale61 min
May 30, 3:40 AM CDTSevere Thunderstorm WarningLUBFloyd35 min
May 30, 3:45 AM CDTTornado WarningLUBHale30 min
May 30, 3:54 AM CDTTornado WarningLUBCrosby31 min
May 30, 4:23 AM CDTSevere Thunderstorm WarningLUBCrosby47 min

Nearby

Tornado Warnings in Texas, 1997Every tornado warning in 1997Tornadoes 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.