Alert archive / Texas / Tornado Warnings in 1987

Tornado Warning 4, NWS Lubbock, TX

May 22, 1987Cochran County, Hockley County, Texas

NWS Lubbock, TX issued this tornado warning at May 22, 1987, 6:36 PM CDT for Cochran County, Hockley County, Texas. It was in force for 39 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 22, 1987, 6:36 PM CDT (23:36 UTC)
Expired
May 22, 1987, 7:15 PM CDT
In force
39 min
Issued by
NWS Lubbock, TX
Area
Whole counties

Counties Cochran County, TX, Hockley County, TX

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
May 22, 6:41 PM CDTTornado F0Hockley, 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

Midland Regional, TX (KMAF), launched 12:00Z, 11.6 hours before the alert went out and 188 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 1987-05-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2177 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 12:00Z on 1987-05-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 97 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
2177 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
643 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
97 m²/s²
0-3 km storm-relative helicity
90 m²/s²
Significant tornado parameter
0.8
Supercell composite
3.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLBB 222336 RRA
TORLBB
TXC079-219-230015-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LUBBOCK TX
636 PM CDT FRI MAY 22 1987
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL  715 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN NORTHWEST TEXAS
          ...EASTERN COCHRAN...WESTERN HOCKLEY
 
AT 635 PM CDT RADAR INDICATED A POSSIBLE TORNADO IN EASTERN COCHRAN
COUNTY...AND SKYWARN SPOTTERES IN THE AREA ALSO REPORTED A POSSIBLE
TORNADO. MOVEMENT OF THE STORM WAS TO THE EAST ABOUT 5 MPH.
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING.  AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH
OR LOW SPOT AND COVER YOUR HE!AD WITH YOUR HANDS.

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 22, 3:45 PM CDT, 2 hours 51 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
345 PM CDT FRI MAY 22 1987

...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR WESTERN SECTIONS
   OF WEST TEXAS UNTIL 10 PM CDT THIS EVENING.  COUNTIES ON THE SOUTH
   PLAINS WHICH ARE INCLUDED IN THE WATCH ARE BAILEY...LAMB...COCHRAN
   ...HOCKLEY...YOAKUM AND TERRY.

AT 340 PM CDT RADAR INDICATED INTENSE THUNDERSTORMS SCATTERED OVER EAST
CENTRAL NEW MEXICO FROM NEAR CLOVIS SOUTHWARD TO ABOUT 25 MILES WEST OF
TATUM. RADAR INDICATED LITTLE MOVEMENT OF THESE STORMS.

SHOWERS AND THUNDERSTORMS WERE ALSO DEVELOPING OVER THE WEST CENTRAL
PORTION OF THE TEXAS SOUTH PLAINS...AND SCATTERED SHOWERS AND A FEW
THUNDERSTORMS CONTINUED OVER THE EASTERN COUNTIES OF THE SOUTH PLAINS.
LITTLE MOVEMENT WAS SHOWN OF SHOWERS AND THNDERSTORMS ON THE SOUTH
PLAINS.

PERSONS ON THE SOUTH PLAINS...PARTICULARLY IN THE WATCH AREA... SHOULD
BE ON THE ALERT FOR POTENTIALLY SEVERE GWEATHER. THE NATIONAL WEATHER
SERVICE WILL CONTINUE TO MONITOR THUNDERSTORM DEVELOPMENT ON THE SOUTH
PLAINS AND LATER STATEMENTS OR POSSIBLE WARNINGS WILL BE ISSUED.
Special weather statement, May 22, 4:47 PM CDT, 1 hour 49 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
445 PM CDT FRI MAY 22 1987

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE WESTERN COUNTIES
   THE TEXAS SOUTH PLAINS UNTIL 10 PM CDT...

AT 440 PM CDT RADAR INDICATED INTENSE THUNDERSTORMS EXTENDING FROM THE
SOUTHWEST PORTION OF THE TEXAS PANHANDLE SOUTHWESTWARD INTO EAST CENTRAL
NEW MEXICO. THE LEADING EDGE OF THESE STORMS HAD SPREAD INTO EXTREME
WESTERN COCHRAN COUNTY ON THE SOUTH PLAINS. MOVEMENT WAS TOWARD THE
NORTHEAST AT ABOUT 15 MPH.

SHOWERS AND A FEW THUNDERSTORMS WERE ALSO SCATTERED OVER THE EXTREME
EASTERN PORTION OF THE TEXAS SOUTH PLAINS. THSES SHOWERS WERE ALSO
MOVING TO THE NORTHEAST AT ABOUT 15 MPH.

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE
FOR SEVERE THUNDERSTORMS IN AND NEAR THE WATCH AREA. PERSONS IN THOSE
AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND
LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS.

The office that day

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

IssuedProductOfficeCountiesLasted
May 21, 8:10 PM CDTSevere Thunderstorm WarningLUBCrosby, Lubbock50 min
May 21, 10:49 PM CDTSevere Thunderstorm WarningLUBGarza41 min
May 22, 5:09 PM CDTSevere Thunderstorm WarningLUBCochran36 min
May 22, 5:40 PM CDTSevere Thunderstorm WarningLUBCochran65 min

Nearby

Tornado Warnings in Texas, 1987Every tornado warning in 1987Tornadoes in 1987

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.