Alert archive / Texas / Tornado Warnings in 1991

Tornado Warning 2, NWS Lubbock, TX

May 7, 1991Lubbock County, Texas

NWS Lubbock, TX issued this tornado warning at May 7, 1991, 5:05 PM CDT for Lubbock County, Texas. It was in force for 40 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 7, 1991, 5:05 PM CDT (22:05 UTC)
Expired
May 7, 1991, 5:45 PM CDT
In force
40 min
Issued by
NWS Lubbock, TX
Area
Whole counties

County Lubbock County, TX

What was reported inside it

TimeReportWhereRemark
May 7, 5:08 PM CDTTornado F0Lubbock, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 10.1 hours before the alert went out and 180 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 1991-05-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1991-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 110 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2117 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
110 m²/s²
0-3 km storm-relative helicity
106 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLBB 072208
TORLBB
TXC303-072245-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LUBBOCK TX
505 PM CDT TUE MAY 7 1991
 
THE NATIONAL WEATHER SERVICE IN LUBBOCK HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  545 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHWEST TEXAS
 
   ...LUBBOCK COUNTY
 
AT 504 PM CDT THE DEPARTMENT OF PUBLIC SAFETY REPORTED A TORNADO
ABOUT 5 MILES WEST OF SHALLOWATER MOVING TO THE NORTHEAST AT 25
MPH.
 
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETSb...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.

What forecasters said that day

The local office's own words before this tornado 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 7, 3:25 PM CDT, 1 hour 40 minutes before
TXZ007>012-072130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
325 PM CDT TUE MAY 7 1991

...THUNDERSTORMS HAVE DEVELOPED RAPIDLY OVER THE PANHANDLE AND SOUTH
   PLAINS...

AT 320 PM CDT LUBBOCK RADAR SHOWED SHOWERS AND THUNDERSTORMS...SOME
STRONG...SCATTERED OVER THE NORTHWESTERN PORTION OF THE SOUTH PLAINS
AND THE SOUTH CENTRAL PORTION OF THE TEXAS PANHANDLE.

MOVEMENT WAS NORTHEAST AT 25 MPH.

THE STRONGER STORMS IN THE SOUTH PLAINS WERE LOCATED IN LAMB COUNTY.
OTHER STRONG STORMS WERE LOCATED IN THE ADJACENT COUNTIES OF THE
SOUTH CENTRAL PANHANDLE.

THE STRONGER STORMS WILL LIKELY PRODUCE BRIEF HEAVY RAIN...FREQUENT
LIGHTNING...GUSTY WINDS AND POSSIBLY HAIL.

STAY TUNED TO NOAA WEATHER RADIO...OR LISTEN TO YOUR LOCAL RADIO OR
TV STATION FOR THE LATEST WEATHER INFORMATION.
Special weather statement, May 7, 3:53 PM CDT, 1 hour 12 minutes before
TXZ007-008-009-010-011-012-072200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
352 PM CDT TUE MAY 7 1991

...SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE EASTERN TWO-THIRDS
OF THE SOUTH PLAINS UNTIL 9 PM CDT THIS TUESDAY EVENING...

AT 345 PM RADAR SHOWED SCATTERED SHOWERS AND A FEW STRONG THUNDER-
STORMS FROM THE NORTHWEST PORTION OF THE SOUTH PLAINS INTO THE
SOUTH CENTRAL PORTION OF THE PANHANDLE.  THE STRONGER STORMS IN THE
SOUTH PLAINS WERE IN LAMB COUNTY.  OTHER SHOWERS AND THUNDERSTORMS
WERE SCATTERED ACROSS NORTHEASTERN FLOYD AND SOUTHERN YOAKUM
COUNTIES.

MOVEMENT OF ALL SHOWERS AND THUNDERSTORMS WAS NORTHEAST AT 25 MILES
AN HOUR.

BRIEF HEAVY RAIN...STRpONG WIND...DANGEROUS LIGHTNING AND SOME HAIL
MAY BE EXPECTED WITH PASSAGE OF THE STRONGER STORMS.

STAY TUNED TO NOAA WEATHER RADIO...OR LISTEN TO YOUR LOCAL RADIO
OR TV STATION FOR THE LATEST WEATHER INFORMATION.
Special weather statement, May 7, 4:54 PM CDT, 11 minutes before
TXZ007-008-009-010-011-012-072300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
454 PM CDT TUE MAY 7 1991

...SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE EASTERN TWO-THIRDS
OF THE SOUTH PLAINS UNTIL 9 PM CDT THIS TUESDAY EVENING...

AT 450 PM RADAR INDICTAED SHOWERS AND THUNDERSTORMS...SOME WITH
HEAVY RAINFALL...EXTENDING SOUTHWARD FROM THE PANHANDLE THROUGH THE
SOUTH PLAINS AND INTO THE PERMIAN BASIN.  THE STRONGER STORMS IN THE
SOUTH PLAINS WERE IN EASTERN LAMB AND WESTERN HALE COUNTIES.

MOVEMENT OF ALL SHOWERS AND THUNDERSTORMS WAS NORTHEAST AT 25 MILES
AN HOUR.

IN ADDITION TO BRIEF HEAVY RAIN THE STRONGER STORMS MAY PRODUCE HAIL...
DANGEROUS LIGHTNING AND STRONG WIND.

STAY TUNED TO NOAA WEATHER RADIO...OR LISTEN TO YOUR LOCAL RADIO OR TV
STATION FOR THE LATEST WEATHER INFORMATION.

The office that day

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

IssuedProductOfficeCountiesLasted
May 7, 5:13 PM CDTTornado WarningLUBHale62 min
May 7, 6:36 PM CDTSevere Thunderstorm WarningLUBCrosby, Floyd, Lubbock69 min
May 7, 6:51 PM CDTTornado WarningLUBCrosby54 min

Nearby

Tornado Warnings in Texas, 1991Every tornado warning in 1991Tornadoes in 1991

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.