Alert archive / Texas / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 49, NWS Lubbock, TX

June 30, 1986Lubbock County, Texas

NWS Lubbock, TX issued this severe thunderstorm warning at Jun 30, 1986, 6:34 PM CDT for Lubbock County, Texas. It was in force for 56 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
Jun 30, 1986, 6:34 PM CDT (23:34 UTC)
Expired
Jun 30, 1986, 7:30 PM CDT
In force
56 min
Issued by
NWS Lubbock, TX
Area
Whole counties

County Lubbock 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
Jun 30, 6:45 PM CDTThunderstorm Wind 52Lubbock, 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, 11.6 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 1986-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1801 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 12:00Z on 1986-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 square meters per square second.1939Sfc1 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
1801 J/kg
Mixed-layer CIN
-102 J/kg
Mixed-layer LCL
1267 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
110 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 302334
SVRLBB
TXC303-010030-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LUBBOCK TX
634 PM CDT MON JUN 30 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 730 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTY OF

NORTHWEST TEXAS...LUBBOCK

THE SEVERE THUNDERSTORM WARNING FOR LUBBOCK COUNTY HAS BEEN
EXTENDED. A SEVERE THUNDERSTORM WAS LOCATED AT 630 PM JUST TO
THE EAST OF WOFFORTH. SKYWARM STORM SPOTTERS OBSERVED WIND
GUSTS TO 60 MILES PER HOUR NEAR WOFFORTH AT 625 PM. THE STORM
WAS MOVING SOUTHEAST AT AROUND 10 MILES PER HOUR.

THIS STORM IS ACCOMPANIED BY INTENSE LIGHTNING AND STRONG GUSTY
WINDS.

THIS+ SLOW MOVING THUNDERSTORM MAY CAUSE FLOODING OF SMALL STREAMS
AND UNDERPASSES.

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, Jun 30, 4:53 PM CDT, 1 hour 41 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
 {455PM CDT MON JUN 30 1986

 {...HEAVY THUNDERSTORMS IN NORTHWESTERN PORTION OF TEXAS SOUTH PLAINS...

AT 450PM NATIONAL WEATHER SERVICE RADAR SHOWED VERY HEAVY THUNDERSTORMS
IN THE VICINITY OF LITTLEFIELD, TEXAS MOVING TO THE EAST AT 10 MILES AN
HOUR.

REPORTS OF HEAVY RAIN AND PEA TO MARBLE SIZE HAIL ACCOMPANYING THESE
STORMS HAVE BEEN RECEIVED DURING THE PAST HOUR.  PERSONS IN THE VICINITY
OF SOUTHERN LAMB AND NORTHERN HOCKLEY COUNTIES ARE URGED TO BE ALEART
FOR THE PASSAGE OF THESE STORMS DURING THE NEXT ONE TO TWO HOURS.

STRONG WINDS, FREQUENT LIGHTNING, HEAVY RAIN AND HAIL ARE POSSIBLE FOR
THIS PERIODo AND RESIDENTS SHOULD VENTURE OUT OF DOORS WITH CAUTION. {

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 30, 5:24 PM CDTSevere Thunderstorm WarningLUBLubbock66 min

Nearby

Severe Thunderstorm Warnings in Texas, 1986Every severe thunderstorm warning in 1986

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.