Alert archive / Texas / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 114, NWS Lubbock, TX

May 30, 1997Crosby County, Texas

NWS Lubbock, TX issued this severe thunderstorm warning at May 30, 1997, 4:23 AM CDT for Crosby County, Texas. It was in force for 47 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
May 30, 1997, 4:23 AM CDT (09:23 UTC)
Expired
May 30, 1997, 5:10 AM CDT
In force
47 min
Issued by
NWS Lubbock, TX
Area
Whole counties

County Crosby County, TX

The radar

The Lubbock radar (KLBB), 48 km from the middle of the area, began a volume at 09:25 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

Amarillo Airport, TX (KAMA), launched 00:00Z, 9.4 hours before the alert went out and 183 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°0°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

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, May 30, 1:11 AM CDT, 3 hours 12 minutes before
TXZ021>026-300630-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
111 AM CDT FRI MAY 30 1997

THE TORNADO WATCH HAS BEEN CANCELLED FOR THE FOLLOWING COUNTIES.
PARMER...CASTRO...SWISHER...BRISCOE...HALL AND CHILDRESS.

THE WATCH REMAINS IN EFFECT FOR THE FOLLOWING COUNTIES UNTIL 2AM.
BAILEY...LAMB... HALE...FLOYD...MOTLEY...COTTLE...COCHRAN...HOCKLEY
LUBBOCK...CROSBY...DICKENS...KING...YOAKUM...TERRY...LYNN...GARZA...
KENT AND STONEWALL.
Special weather statement, May 30, 2:13 AM CDT, 2 hours 10 minutes before
TXZ021>044-300735-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
214 AM CDT FRI MAY 30 1997

THE TORNADO WATCH FOR THE SOUTHERN PANHANDLE...THE SOUTH PLAINS
EXPIRED AT 2 AM.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR THE LOW ROLLING
PLAINS UNTIL 4 AM.   THIS INCLUDES CHILDRESS...HALL...COTTLE...
DICKENS...KENT...KING...MOTLEY...AND STONEWALL COUNTIES.

ALTHOUGH THE TORNADO WATCH FOR THE EXTREME SOUTHERN PANHANDLE AND
THE SOUTH PLAINS HAS EXPIRED...A SEVERE THUNDERSTORM WAS STILL
INDICATED IN SWISHER COUNTY SOUTHWEST OF TULIA.
Special weather statement, May 30, 2:14 AM CDT, 2 hours 9 minutes before
TXZ021>044-300735-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
214 AM CDT FRI MAY 30 1997

THE TORNADO WATCH FOR THE SOUTHERN PANHANDLE...THE SOUTH PLAINS
EXPIRED AT 2 AM.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR THE LOW ROLLING
PLAINS UNTIL 4 AM.   THIS INCLUDES CHILDRESS...HALL...COTTLE...
DICKENS...KENT...KING...MOTLEY...AND STONEWALL COUNTIES.

ALTHOUGH THE TORNADO WATCH FOR THE EXTREME SOUTHERN PANHANDLE AND
THE SOUTH PLAINS HAS EXPIRED...A SEVERE THUNDERSTORM WAS STILL
INDICATED IN SWISHER COUNTY SOUTHWEST OF TULIA.

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, 3:49 AM CDTTornado WarningLUBFloyd31 min
May 30, 3:54 AM CDTTornado WarningLUBCrosby31 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.