Alert archive / Texas / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 21, NWS Lubbock, TX

May 27, 1987King County, Texas

NWS Lubbock, TX issued this severe thunderstorm warning at May 27, 1987, 11:09 PM CDT for King County, Texas. It was in force for 51 min.

The area

The counties it named.

The facts

Issued
May 27, 1987, 11:09 PM CDT (04:09 UTC)
Expired
May 28, 1987, 12:00 AM CDT
In force
51 min
Issued by
NWS Lubbock, TX
Area
Whole counties

County King County, TX

The radar

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

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 4.2 hours before the alert went out and 223 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 1987-05-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 603 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 1987-05-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 75 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
603 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
1463 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
75 m²/s²
0-3 km storm-relative helicity
43 m²/s²
Significant tornado parameter
0.1
Supercell composite
2.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLBB 280409
SVRLBB
TXC269-280500-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LUBBOCK TX
1109 PM CDT WED MAY 27 1987
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL MIDNIGHT CDT FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN NORTHWEST TEXAS
          ...SOUTHERN KING
 
AT 1105 PM RADAR INDICATED A POSSIBLE SEVERE THUNDERSTORM MOVING
TO THE EAST-NORTHEAST AT 10 MPH JUST NORTH OF THE KING AND
STONEWALL COUNTY LINE. THE BULK OF THIS STORM SHOULD PASS FROM
GUTHRIE SOUTHWARD.
 
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
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

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 27, 7:16 PM CDT, 3 hours 53 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
715 PM CDT WED MAY 27 1987

...TORNADO WATCH IN EFFECT UNTIL 1000 PM CDT FOR MOST OF THE EASTERN
   COUNTIES OF THE TEXAS SOUTH PLAINS...
...FLASH FLOOD WATCH IN EFFECT FOR EXTREME EASTERN SOUTH PLAINS TONIGHT...

AT 715 PM CDT A VERY STRONG THUNDERSTORM WAS IN SOUTHEASTERN KENT
COUNTY...IN THE VICINITY OF HARMONY. THIS IS ABOUT 15 MILES SOUTH OF
JAYTON. THE KENT COUNTY SHERIFFS OFFICE REPORTED SMALL HAIL AND VERY
GUSTY WINDS JUST NORTH OF HARMONY AT 702 PM. THIS THUNDERSTORM WAS
MOVING TO THE NORTHEAST AT 15 MPH.

THE THREAT OF SEVERE WEATHER WILL CONTINUE IN THE EASTERN SOUTH PLAINS
FOR THE NEXT SEVERAL HOURS. KEEP LISTENING FOR LATER STATEMENTS OR
POSSIBLE WARNINGS.
Special weather statement, May 27, 7:46 PM CDT, 3 hours 23 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
745 PM CDT WED MAY 27 1987

...TORNADO WATCH IN EFFECT UNTIL 1000 PM CDT FOR MOST OF THE EASTERN
   COUNTIES OF THE TEXAS SOUTH PLAINS...
...FLASH FLOOD WATCH IN EFFECT FOR EXTREME EASTERN SOUTH PLAINS TONIGHT...

AT 745 PM SCATTERED SHOWERS AND THUNDERSTORMS REMAINED IN EASTERN KENT
COUNTY AROUND JAYTON AND HARMONY. THE STRONGEST THUNDERSTORM HAD PUSHED
INTO STONEWALL COUNTY AND OUT OF THE SOUTH PLAINS. THUNDERSTORMS WERE
MOVING TO THE NORTHEAST AT 15 MPH.

THE THREAT OF SEVERE WEATHER WILL CONTINUE IN THE EASTERN SOUTH PLAINS
FOR THE NEXT COUPLE OF HOURS. KEEP LISTENING FOR LATER STATEMENTS OR
POSSIBLE WARNINGS.

Special weather statement, May 27, 8:19 PM CDT, 2 hours 50 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
820 PM CDT WED MAY 27 1987

...TORNADO WATCH IN EFFECT UNTIL 1000 PM CDT FOR MOST OF THE EASTERN
   COUNTIES OF THE TEXAS SOUTH PLAINS...
...FLASH FLOOD WATCH IN EFFECT FOR THE EXTREME EASTERN SOUTH PLAINS
   TONIGHT...

AT 815 PM CDT RADAR INDICATED WIDELY SCATTERED SHOWERS AND A FEW
THUNDERSTORMS ACROSS THE SOUTHEASTERN CORNER OF THE SOUTH PLAINS.
PRECIPITATION WAS MOVING TO THE NORTHEAST AT 15 MPH.

VERY STRONG THUNDERSTORMS WERE JUST EAST OF KENT COUNTY...IN STONEWALL
COUNTY...HOWEVER THESE CONTINUED TO MOVE AWAY FROM THE SOUTH PLAINS.

THE THREAT OF SEVERE WEATHER WILL CONTINUE IN THE EASTERN SOUTH PLAINS
FORF THE NEXT COUPLE OF HOURS. KEEP LISTENING FOR LATER STATEMENTS OR
POSSIBLE WARNINGS.
Special weather statement, May 27, 8:48 PM CDT, 2 hours 21 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
848 PM CDT WED MAY 27 1987

...TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FOR MOST OF THE
   EASTERN HALF OF THE TEXAS SOUTH PLAINS...
...FLASH FLOOD WATCH IN EFFECT FOR THE EXTREME EASTERN SOUTH PLAINS
   TONIGHT...

AT 845 PM CDT WIDELY SCATTERED SHOWERS AND A FEW THUNDERSTORMS WERE
CONTINUING ACROSS THE SOUTHEASTERN CORNER OF THE SOUTH PLAINS. THIS
AREA INCLUDED KENT COUNTY...SOUTHEASTERN GARZA COUNTY AND SOUTHERN
KING COUNTY. STRONGEST ACTIVITY REMAINED SOUTH AND EAST OF THE SOUTH
PLAINS. THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 15 MPH.

THERE IS STILL A THREAT OF SEVERE WEATHER IN THE EASTERN SOUTH PLAINS
THIS EVENING. KEEP LISTENING FOR LATER STATEMENTS OR POSSIBLE WARNINGS.
Special weather statement, May 27, 9:33 PM CDT, 1 hour 36 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
935 PM CDT WED MAY 27 1987

...TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FOR MOST OF THE
   EASTERN HALF OF THE TEXAS SOUTH PLAINS...
...FLASH FLOOD WATCH IN EFFECT FOR THE EXTREME EASTERN SOUTH PLAINS
   TONIGHT...

AT 935 PM CDT WIDELY SCATTERED THUNDERSTORMS COVERED MUCH OF KING...
AND EASTERN KENT COUNTIES. THESE THUNDERSTORMS WERE MOVING TO THE
NORTHEAST AT 158 MPH.

VERY STRONG THUNDERSTORMS REMAINED OVER STONEWALL COUNTY...JUST EAST
OF THE SOUTH PLAINS.

THERE IS STILL A THREAT OF SEVERE WEATHER IN THE EASTERN SOUTH PLAINS
THIS EVENING. KEEP LISTENING FOR LATER STATEMENTS OR POSSIBLE WARNINGS.
Special weather statement, May 27, 10:53 PM CDT, 16 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
1045 PM CDT WED MAY 27 1987

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 3 AM CDT FOR COTTLE
   LUBBOCK...CROSBY...DICKENS...KING...YOAKUM...TERRY...LYNN...GARZA
   AND KENT COUNTIES....

...A FLASH FLOOD WATCH IS IN EFFECT TONIGHT FOR COTTLE...DICKENS
   GARZA...KENT AND KING COUNTIES...

THE SEVERE THUNDERSTORM WARNING FOR EASTERN KENT COUNTY EXPIRED AT
1045 PM CDT. THE SEVERE THUNDERSTORM MOVED TO THE NORTHEAST.

AT 1045 PM VARY STRONG THUNDERSTORMS WITH HEAVY RAIN WERE MOVING
NORTHEAST AT 10 MPH INTO KING COUNTY. THE HEAVIEST RAIN WAS JUST
SOUTH OF GUTHRIE.

THERE IS A THREAT OF FLOODING IN AND NEAR ANY OF THE LARGER
THUNDERSTORMS THE REMIANDER OF THE NIGHT.
<
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
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

LISTEN TO NOAA WEATHER RADIO...COMMERICAL RADIO...OR WATCH TV
FOR LATER STATEMETS AND WARNINGS.

The office that day

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

IssuedProductOfficeCountiesLasted
May 27, 9:54 PM CDTSevere Thunderstorm WarningLUBKent51 min
May 28, 5:17 AM CDTSevere Thunderstorm WarningLUBLynn, Terry58 min
May 28, 6:52 AM CDTSevere Thunderstorm WarningLUBLynn68 min
May 28, 7:35 AM CDTFlash Flood WarningLUBGarza, Lynn115 min
May 28, 7:35 AM CDTSevere Thunderstorm WarningLUBGarza, Lynn55 min
May 28, 8:40 AM CDTSevere Thunderstorm WarningLUBDickens50 min
May 28, 10:13 AM CDTTornado WarningLUBKing47 min
May 28, 10:27 AM CDTFlash Flood WarningLUBTerry3 hr
May 28, 12:27 PM CDTFlash Flood WarningLUBGarza, Lynn3 hr
May 28, 12:27 PM CDTFlash Flood WarningLUBKent3 hr

Nearby

Severe Thunderstorm Warnings in Texas, 1987Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive.