Alert archive / Texas / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 34, NWS Austin/San Antonio, TX

May 17, 1990Bastrop County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 17, 1990, 6:15 PM CDT for Bastrop County, Texas. It was in force for 60 min.

The area

The counties it named.

The facts

Issued
May 17, 1990, 6:15 PM CDT (23:15 UTC)
Expired
May 17, 1990, 7:15 PM CDT
In force
60 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Bastrop 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 12:00Z, 11.3 hours before the alert went out and 247 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 12:00Z on 1990-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 1990-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -104 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
NaN m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
-104 m²/s²
0-3 km storm-relative helicity
96 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 KAUS 172316
SVRAUS
TXC021-180015-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN TX
615 PM CDT THU MAY 17 1990
 
THE NATIONAL WEATHER SERVICE IN AUSTIN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  715 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL TEXAS
 
   ...WESTERN BASTROP COUNTY
 
AUSTIN RADAR INDICATES A SEVERE THUNDERSTORM NEAR THE CITY OF ROSANSKY
MOVING NORTH AT 10 MPH.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

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 17, 4:52 PM CDT, 1 hour 23 minutes before
TXZ036-180000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
350 PM CDT THU MAY 18 1990

AT 345 PM CDT...STRONG THUNDERSTORMS PRODUCING HEAVY RAINFALL OF ONE
TO TWO INCHES PER HOUR ALONG WITH DANGEROUS LIGHTNING WERE LOCATED ON
THE FAYETTE...LAVACA COUNTY LINE. MOVEMENT WAS TOWARDS THE NORTH AT 5 MPH.

STRONG THUNDERSTORMS MAY ALSO PRODUCE STRONG GUSTY WINDS AND SMALL HAIL.

RESIDENTS IN FAYETTE COUNTY SHOULD STAY ALERT TO THESE ST^ORMS FOR
POSSIBLE WARNINGS IN THE NEXT TWO HOURS.
Special weather statement, May 17, 5:02 PM CDT, 1 hour 13 minutes before
TXZ036-180000-

SPECIAL WEATHER STATEMENT...CORRECTION TO TIMES...
NATIONAL WEATHER SERVICE AUSTIN TX
450 PM CDT THU MAY 18 1990

AT 445 PM CDT...STRONG THUNDERSTORMS PRODUCING HEAVY RAINFALL OF ONE
TO TWO INCHES PER HOUR ALONG WITH DANGEROUS LIGHTNING WERE LOCATED ON
THE FAYETTE...LAVACA COUNTY LINE. MOVEMENT WAS TOWARDS THE NORTH AT 5 MPH.

STRONG THUNDERSTORMS MAY ALSO PRODUCE STRONG GUSTY WINDS AND SMALL HAIL.

RESIDENTS IN FAYETTE COUNTY }SHOULD STAY ALERT TO THESE STORMS FOR
POSSIBLE WARNINGS IN THE NEXT TWO HOURS.
Special weather statement, May 17, 5:28 PM CDT, 47 minutes before
TXZ039-172330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO, TX
525 PM CDT THU MAY 17 1990

SHOWERS AND POSSIBLE THUNDERSTORMS ARE DEVELOPING OVER THE
CITY OF SAN ANTONIO. DURING THE NEXT HOUR HEAVY SHOWERS
CAN BE EXPECTED WITHIN THE CITY ALONG WITH GUSTY WINDS AND
DANGEROUS LIGHTNING.

THE THUNDERSTORMS ARE FORMING AS A RESULT OF AFTERNOON HEATING
AND A STATIONARY FRONT OVER THE AREA. THE SHOWERS WILL BE
DRIFING SLOWLY TO THE NORTH AT 10 MPH. ACTIVITY SHOULD START
TO DISIPATE IN AN HOUR OR SO.

Nearby

Severe Thunderstorm Warnings in Texas, 1990Every severe thunderstorm warning in 1990

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.