Alert archive / Texas / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 21, NWS Austin/San Antonio, TX

April 8, 1986Edwards County, Kerr County, Real County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Apr 8, 1986, 6:55 PM CST for Edwards County, Kerr County, Real County, Texas. It was in force for 65 min.

The area

The counties it named.

The facts

Issued
Apr 8, 1986, 6:55 PM CST (00:55 UTC)
Expired
Apr 8, 1986, 8:00 PM CST
In force
65 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

Counties Edwards County, TX, Kerr County, TX, Real 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

Del Rio, TX (KDRT), launched 00:00Z, 0.9 hours before the alert went out and 118 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, Del Rio, TX at 00:00Z on 1986-04-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2836 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, Del Rio, TX at 00:00Z on 1986-04-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 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
2836 J/kg
Mixed-layer CIN
-74 J/kg
Mixed-layer LCL
2012 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
81 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSAT 090101
SVRSAT
TXC137-265-385-090200-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
655 PM CST TUE APR 8 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 8 PM CST FOR PEOPLE IN THE FOLLOWING COUNTIES OF

SOUTH CENTRAL TEXAS...EDWARDS KERR AND REAL

AT 655 PM CST..RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FROM
EAST OF JUNO IN VAL VERDE COUNTY TO NORTH OF MEDINA IN BANDERA COUNTY.
MOVEMENT IS TOWARD THE EAST-SOUTHEAST AT 10 MPH.

GOLF-BALL SIZED HAIL WAS REPORTED IN THIS LINE OF THUNDERSTORMS AT
GLASSCOCK RANCH IN VAL VERDE COUNTY WITHIN THE PAST HOUR.  BESIDES
LARGE HAIL..THIS LINE OF THUNDERSTORMS CONTAINS FREQUENT LIGHTNING
AND DAMAGING WINDS.  BRIEF HEAVY RAINFALL AND LOCALIZED FLOODING
OFTEN ACCOMPANY SLOW-MOVING THUNDERSTORMS.

IF THREATENING WEATHER APPROACHES..YOU SHOULD GO TO A SAFE PLACE
IMMEDIATELY AND YOU SHOULD ASK THE NEAREST LAW ENFORCEMENT AGENCY
TO RELAY YOUR SEVERE WEATHER REPORTS TO THE LOCAL NATIONAL WEATHER
SERVICE OFFICE.

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF THE TEXAS
HILL COUNTRY AND SOUTH CENTRAL TEXAS UNTIL MIDNIGHT.

The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 8, 6:25 PM CSTSevere Thunderstorm WarningEWXBandera65 min
Apr 8, 6:48 PM CSTSevere Thunderstorm WarningEWXBlanco57 min
Apr 8, 7:25 PM CSTSevere Thunderstorm WarningEWXBandera65 min
Apr 8, 7:55 PM CSTSevere Thunderstorm WarningEWXEdwards, Kerr, Real65 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; the sounding from the Mesonet's radiosonde archive.