Alert archive / Texas / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 15, NWS Austin/San Antonio, TX

April 8, 1986Kendall County, Kerr County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Apr 8, 1986, 4:50 PM CST for Kendall County, Kerr County, Texas. It was in force for 70 min. 2 reports 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
Apr 8, 1986, 4:50 PM CST (22:50 UTC)
Expired
Apr 8, 1986, 6:00 PM CST
In force
70 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

Counties Kendall County, TX, Kerr 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
Apr 8, 5:30 PM CSTHail 1.75Kerr, TX
Apr 8, 5:47 PM CSTHail 1.75Kerr, 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

Del Rio, TX (KDRT), launched 12:00Z, 10.8 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, Del Rio, TX at 12:00Z on 1986-04-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1874 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 12:00Z on 1986-04-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 98 square meters per square second.193958Sfc1 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
1874 J/kg
Mixed-layer CIN
-422 J/kg
Mixed-layer LCL
956 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
98 m²/s²
0-3 km storm-relative helicity
151 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 KSAT 082257
SVRSAT
TXC259-265-090000-

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

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 6 PM CST FOR PEOPLE IN THE FOLLOWING COUNTIES OF

SOUTH CENTRAL TEXAS..KENDALL AND KERR

AT 450 PM CST..RADAR INDICATED A SEVERE THUNDERSTORM JUST NORTHEAST
OF KERRVILLE TEXAS MOVING TOWARD THE EAST INTO KENDALL COUNTY AT 10
MPH.

THIS THUNDERSTORM IS ONE OF SEVERAL DEVELOPING RAPIDLY IN KERR
COUNTY.  OTHERS ARE LOCATED TO THE WEST OF KERRVILLE AND WILL LIKELY
INTENSIFY WITHIN THE HOUR.  LARGE HAIL..FREQUENT LIGHTNING AND
DAMAGING THUNDERSTORM WINDS WILL ACCOMPANY THESE STORMS.  BRIEF
HEAVY RAINFALL AND LOCALIZED FLOODING ARE OFTEN ASSOCIATED WITH
SLOW MOVING THUNDERSTORMS.

IF THREATENING WEATHER APPROACHES..YOU SHOULD GO TO A SAFE PLACE
IMMEDIATELY AND YOU SHOULD ASK THE NEARES4T LAW ENFORCEMENT AGENCY
TO RELAY YOUR SEVERE WEATHER REPORTS TO THE LOCAL NATIONAL WEATHER
SERVICE OFFICE.

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, Apr 8, 3:03 PM CST, 1 hour 47 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
330 PM CST TUE APR 8 1986

...COLD FRONT IN STORE FOR SOUTH TEXAS TONIGHT...

AN USUALLY STRONG SPRING COLD FRONT WAS LOCATED OVER NORTH CENTRAL
TEXAS AT MID AFTERNOON TODAY.  STRONG NORTH WINDS GUSTING TO 25 TO 30
MILES AN HOUR WERE BEING REPORTED BEHIND THE FRONT..ALONG WITH CLOUDY
SKIES AND TEMPERATURES IN THE 60S AND 70S.  SHOWERS WERE DEVEOPING
ALONG THE FRONT WHICH STRETCHED FROM NEAR LONGVIEW TO WACO TO SAN
ANGELO AT 300 PM THIS AFTERNOON.

THE COLD FRONT WILL BE MOVING INTO THE NORTHERN PORTIONS OF SOUTH
TEXAS WITHIN THE NEXT TWO HOURS AND TO NEAR THE MID TEXAS COAST BY
EARLY WEDNESDAY MORNING.  THUNDERSTORMS ARE EXPECTED TO CONTINUE
ALONG THE FRONT AS IT MOVES INTO SOUTH CENTRAL AND SOUTHEAST TEXAS.
SOME OF THESE WILL HAVE THE POTENTIAL FOR PRODUCING HAIL..DAMAGING
WINDS AND BRIEF BUT VERY HEAVY RAINFALL.  MOTORISTS ARE ESPECIALLY
CAUTIONED AGAINST THE THREAT OF LOWERED VISIBILITY AND HAZARDOUS
DRIVING IN AND AROUND THE HEAVIER STORMS.

WINDS ALONG THE COASTAL AREAS WILL SHIFT RAPIDLY AS THE FRONT
PASSES..GUSTING TO 20 TO 30 MILES AN HOUR ALONG THE UPPER COAST
TONIGHT AND ALONG THE MIDDLE COAST EARLY WEDNESDAY MORNING.  BOATERS
SHOULD BE ALERT TO THE ABRUPTLY SHIFTING WINDS.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 8, 5:24 PM CSTSevere Thunderstorm WarningEWXBlanco, Gillespie66 min
Apr 8, 5:55 PM CSTSevere Thunderstorm WarningEWXKerr, Real65 min
Apr 8, 5:55 PM CSTSevere Thunderstorm WarningEWXKendall65 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.