Alert archive / Texas / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 55, NWS Austin/San Antonio, TX

May 14, 1986San Saba County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 14, 1986, 8:56 PM CDT for San Saba County, Texas. It was in force for 64 min.

The area

The counties it named.

The facts

Issued
May 14, 1986, 8:56 PM CDT (01:56 UTC)
Expired
May 14, 1986, 10:00 PM CDT
In force
64 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County San Saba 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

Stephenville/Cla, TX (KSEP), launched 00:00Z, 1.9 hours before the alert went out and 137 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, Stephenville/Cla, TX at 00:00Z on 1986-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2553 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, Stephenville/Cla, TX at 00:00Z on 1986-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 178 square meters per square second.1939587897Sfc1 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
2553 J/kg
Mixed-layer CIN
-133 J/kg
Mixed-layer LCL
741 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
178 m²/s²
0-3 km storm-relative helicity
232 m²/s²
Significant tornado parameter
1.4
Supercell composite
20.8

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 14, 5:17 PM CDT, 3 hours 39 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DEL RIO TX
517 PM CDT WED MAY 14 1986

 ...THUNDERSTORMS IN THE DEL RIO AREA...

AT 515 PM CDT RADAR INDICATED STRONG THUNDERSTORMS 20 MILES WEMST OF
DEL RIO MOVING TOWARD THE EAST AT 30 MILES AN HOUR. THESE STORMS
SHOULD BE IN DEL RIO WITHIN AN HOUR.

HEAVY RAIN..SMALL HAIL..STRONG WINDS AND FREQUENT LIGHTNING CAN BE
EXPECTED WITH THESE STORMS.
Special weather statement, May 14, 6:57 PM CDT, 1 hour 59 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
657 PM CDT WED MAY 14 1986

...VERY HEAVY THUNDERSTORMS OVER A PORTION OF SOUTH CENTRAL TEXAS...

HEAVY THUNDERSTORMS THAT FORMED IN THE MOUNTAINS OF MEXICO NEAR DEL RIO
HAVE CONTINUED A SLOW EASTWARD MOVEMENT INTO THE WESTERN SECTIONS OF
SOUTH CENTRAL TEXAS.  AT 655 PM CDT NATIONAL WEATHER SERVICE RADAR
INDICATED SCATTERED THUNDERSTORMS FROM DEL RIO TO JUNCTION TO JOURDANTON
TO LAREDO AND DEL RIO.  THE STORMS WERE MOVING TO THE EAST AT 30 MPH.

THE HEAVIEST ACTIVITY WAS LOCATED FROM DEL RIO TO BRACKETVILLE AND TO
NORTH OF EAGLE PASS. PERSONS IN EDWARDS..KINNEY AND MAVERICK COUNTIES
SHOULD BE ALERT TO THE THREAT OF BRIEF HEAVY RAIN AND VERY DANGEROUS AND
FREQUENT LIGHTNING.  THE STORMS PRODUCED MARBLE SIZED HAIL IN VAL VERDE
COUNTY NEAR 600 PM AND COULD PRODUCE MORE SMALL HAIL AND GUSTY WINDS.

MOTORISTS ARE CAUTIONED TO DRIVE WITH EXTREME CARE NEAR THESE STORMS
BECAUSE OF POOR VISIBILITY..SLICK ROADS AND GUSTING WINDS.
Special weather statement, May 14, 7:06 PM CDT, 1 hour 50 minutes before
SPECIAL WEATHER STATEMENT...RETRANSMITTED FOR DPS AUS
NATIONAL WEATHER SERVICE SAN ANTONIO TX
657 PM CDT WED MAY 14 1986

...VERY HEAVY THUNDERSTORMS OVER A PORTION OF SOUTH CENTRAL TEXAS...

HEAVY THUNDERSTORMS THAT FORMED IN THE MOUNTAINS OF MEXICO NEAR DEL RIO
HAVE CONTINUED A SLOW EASTWARD MOVEMENT INTO THE WESTERN SECTIONS OF
SOUTH CENTRAL TEXAS.  AT 655 PM CDT NATIONAL WEATHER SERVICE RADAR
INDICATED SCATTERED THUNDERSTORMS FROM DEL RIO TO JUNCTION TO JOURDANTON
TO LAREDO AND DEL RIO.  THE STORMS WERE MOVING TO THE EAST AT 30 MPH.

THE HEAVIEST ACTIVITY WAS LOCATED FROM DEL RIO TO BRACKETVILLE AND TO
NORTH OF EAGLE PASS. PERSONS IN EDWARDS..KINNEY AND MAVERICK COUNTIES
SHOULD BE ALERT TO THE THREAT OF BRIEF HEAVY RAIN AND VERY DANGEROUS AND
FREQUENT LIGHTNING.  THE STORMS PRODUCED MARBLE SIZED HAIL IN VAL VERDE
COUNTY NEAR 600 PM AND COULD PRODUCE MORE SMALL HAIL AND GUSTY WINDS.

MOTORISTS ARE CAUTIONED TO DRIVE WITH EXTREME CARE NEAR THESE STORMS
BECAUSE OF POOR VISIBILITY..SLICK ROADS AND GUSTING WINDS.
Special weather statement, May 14, 8:21 PM CDT, 35 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
820 PM CDT WED MAY 14 1986

AT 815 PM CDT WEATHER SERVICE RADAR INDICATED AN AREA OF THUNDERSTORMS
FROM DEL RIO TO KERRVILLE TO AUSTIN AND SOUTHWESTWARD TO EAGLE PASS.
THE STORMS CONTINUED TO MOVE TO THE EAST AT 25 MILES AN HOUR.  NO RAIN
WAS INDICATED IN THE SAN ANTONIO METROPOLITAN AREA.

A VERY HEAVY THUNDERSTORM WAS LOCATED ABOUT 5 MILES TO THE WEST OF
EAGLE PASS AND SHOULD MOVE INTO THE TOWN NEAR 830 PM CDT THIS EVENING.
THIS STORM..LIKE SIMILAR STORMS EARLIER THIS EVENING IN THE VAL VERDE
COUNTY AREA..WILL PRODUCE BRIEF VERY HEAVY RAINFALL AND MAY CONTAIN
SMALL HAIL AND GUSTY WINDS.  PERSONS IN AND AROUND THE EAGLE PASS AREA
SHOULD ALSO BE AWARE OF VERY FREQUENT AND DANGEROUS LIGHTNING IN THIS
STORM.

ACROSS SOUTH CENTRAL TEXAS..THESE STORMS WILL LIKELY CAUSE SLICK ROADS
AND STREETS AND..AT TIMES..LOWER VISIBILITY GREATLY IN RAIN.  MOTORISTS
SHOULD BE CAUTIOUS AND USE EXTRA CARE WHEN NEAR THE HEAVY ACTIVITY.

The office that day

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

IssuedProductOfficeCountiesLasted
May 14, 7:17 PM CDTSevere Thunderstorm WarningEWXVal Verde73 min
May 15, 7:54 AM CDTSevere Thunderstorm WarningEWXBastrop66 min
May 15, 8:09 AM CDTSevere Thunderstorm WarningEWXLee66 min
May 15, 11:16 AM CDTSevere Thunderstorm WarningEWXBurleson, Milam59 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.