Alert archive / Texas / Tornado Warnings in 1986

Tornado Warning 14, NWS Houston/Galveston, TX

July 8, 1986Brazoria County, Texas

NWS Houston/Galveston, TX issued this tornado warning at Jul 8, 1986, 3:12 PM CDT for Brazoria County, Texas. It was in force for 48 min.

The area

The counties it named.

The facts

Issued
Jul 8, 1986, 3:12 PM CDT (20:12 UTC)
Expired
Jul 8, 1986, 4:00 PM CDT
In force
48 min
Issued by
NWS Houston/Galveston, TX
Area
Whole counties

County Brazoria 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

Victoria Regiona, TX (KVCT), launched 12:00Z, 8.2 hours before the alert went out and 147 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, Victoria Regiona, TX at 12:00Z on 1986-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 931 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Victoria Regiona, TX at 12:00Z on 1986-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 square meters per square second.1939Sfc1 km3 km6 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
931 J/kg
Mixed-layer CIN
-64 J/kg
Mixed-layer LCL
1018 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
39 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 KHOU 082017 COR
TORHOU
TXC039-082100-

BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HOUSTON TX
312 PM CDT TUE JUL  8 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL  400 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES:

IN  TEXAS
          ..NORTHERN BRAZORIA

A TORNADO WAS REPORTED ON THE GROUND NEAR SANTA FE TEXAS BY THE SANTA
FE POLICE OFFICE.  REPORTS OF BASEBALL SIZE HAIL HAS ALSO BEEN
REPORTED IN THE AREA. THIS STORM IS MOVING TO THE NORTHWEST AT 20 MPH.

THIS IS A DANGEROUS STORM SITUATION. ACT QUICKLY. IF YOU ARE IN THE
PATH OF THIS TORNADO MOVE TO SHELTER IMMEDIATELY. IF INSIDE, GO TO
AN INTERIOR ROOM TO AVOID WINDOWS. ABONDON CARS AND MOBILE HOMES FOR
A REINFORCED BUILDING OR GET INTO A DITCH OR CULVERT.

IF YOU LIVE IN AN APARTMENT, SEEK SHELTER IN THE INNERMOST PORTION
OF THE BUILDING ON THE LOWEST FLOOR. AVOID WINDOWS AND PROTECT YOUR
BODY WITH CUSHIONS, BLANKETS OR PILLOWS.

The office that day

Everything else NWS Houston/Galveston, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 8, 2:00 PM CDTTornado WarningHGXGalveston65 min
Jul 8, 3:00 PM CDTTornado WarningHGXGalveston66 min
Jul 8, 6:30 PM CDTSevere Thunderstorm WarningHGXLiberty2 hr
Jul 8, 6:41 PM CDTSevere Thunderstorm WarningHGXPolk64 min

Nearby

Tornado Warnings in Texas, 1986Every tornado warning in 1986Tornadoes 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; the sounding from the Mesonet's radiosonde archive.