Alert archive / Texas / Severe Thunderstorm Warnings in 1990

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

May 27, 1990Gillespie County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 27, 1990, 10:15 PM CDT for Gillespie County, Texas. It was in force for 60 min. 1 report 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
May 27, 1990, 10:15 PM CDT (03:15 UTC)
Expired
May 27, 1990, 11:15 PM CDT
In force
60 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Gillespie 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
May 27, 10:21 PM CDTHail 2.25Gillespie, 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 00:00Z, 3.3 hours before the alert went out and 211 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 1990-05-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2941 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 1990-05-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -36 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
2941 J/kg
Mixed-layer CIN
-177 J/kg
Mixed-layer LCL
1446 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
-36 m²/s²
0-3 km storm-relative helicity
16 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KAUS 280316
SVRAUS
TXC171-280415-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN TX
1015 PM CDT SUN MAY 27 1990
 
THE NATIONAL WEATHER SERVICE IN AUSTIN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1115 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL TEXAS
 
   ...GILLESPIE COUNTY
 
A SEVERE THUNDERSTORM IS MOVING INTO THE NORTHERN PORTIONS OF
GILLESPIE COUNTY MOVEMENT IS TOWARD THE SOUTH AT 20 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 27, 6:58 PM CDT, 3 hours 17 minutes before
TXZ030-034>037-280200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
7 PM CDT SUN MAY 27 1990

...TORNADO WATCH IN EFFECT FOR PORTIONS OF CENTRAL TEXAS UNTILL 10 PM
THIS INCLUDES TRAVIS AND ALL SURROUNDING COUNTIES EXCEPT FAYETTE AND
CALDWELL COUNTIES...

...A FLASH FLOOD WATCH IS IN EFFECT FOR MILLS...LAMPASAS AND SAN SABA
COUNTIES UNTILL MIDNIGHT...

AT 655 PM SHOWERS AND THUNDERSTORMS WERE LOCATED FROM NORTH OF FREDER-
ICBURG TO MASOM...LLANO...GOLDTHWAITE AND BROWNWOOD. STRONG THUNDERSTORMS
WERE LOCATED NEAR SAN SABA AND BROWNWOOD. MOVEMENT WAS TOWARDS THE
SOUTHEAST AT 15 MPH.

PERSONS ON LAKES AND RIVERS ARE ADVISED TO HEAD FOR SHORE IF THUNDER
IS HEARD OR LIGHTNING BIS SEEN.
Special weather statement, May 27, 8:00 PM CDT, 2 hours 15 minutes before
TXZ030-034>037-280200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
8 PM CDT SUN MAY 27 1990

...TORNADO WATCH IN EFFECT FOR PORTIONS OF CENTRAL TEXAS UNTILL 10 PM
THIS INCLUDES TRAVIS AND ALL SURROUNDING COUNTIES EXCEPT FAYETTE AND
CALDWELL COUNTIES...

...A FLASH FLOOD WATCH IS IN EFFECT FOR MILLS...LAMPASAS AND SAN SABA
COUNTIES UNTILL MIDNIGHT...

AT 750 PM SHOWERS AND THUNDERSTORMS WERE LOCATED OVER LLANO COUNTY AND
NEAR THE CITY OF BRADY. SEVERE THUNDERSTORMS WERE BETWEEN WACO AND
BROWNWOOD AND STEPHENVILLE. MOVEMENT WAS TOWARDS THE EAST AT 15 MPH.

PERSONS ON LAKES AND RIVERS ARE ADVISED TO HEAD FOR SHORE IF THUNDER
IS HEARD OR LIGHTNING IS SEEN.
Local storm report, May 27, 8:55 PM CDT, 1 hour 20 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN TX
9 PM CDT SUN MAY 27 1990

 TIME OF
 OCCURRENCE  COUNTY                EVENT  ... MAY 27   1990
   CDT
545 PM       SAN SABA   MARBLE TO GOLFBALL SIZE HAIL AHT RICHLAND
                        SPRINGS REPORTED BY DPS LAMPASAS

555 PM       SAN SABA   MARBLE TO GOLFBALL SIZE HAIL 5 MILES WEST
                        SAN SABA REPORTED BY SHERIFFS OFFICE SAN SABA CO.
Special weather statement, May 27, 9:42 PM CDT, 33 minutes before
TXZ035-280400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO, TX
940 PM CDT SUN MAY 27 1990

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PORTIONS OF THE HILL
   COUNTRY AND SOUTH CENTRAL TEXAS...INCLUDING KERR COUNTY...

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH
EFFECTIVE UNTIL 2 AM CDT MONDAY MORNING FOR PARTS OF SOUTH CENTRAL
TEXAS...GENERALLY FROM EAST OF JUNCTION TO COLLEGE STATION.  WIDELY
SCATTERED THUNDERSTORMS WITH VERY HEAVY RAIN WERE INDICATED BY RADAR
FROM NORTHEAST OF JUNCTION TO NEAR LAMPASAS...MOVING TO THE SOUTHEAST
AT 10 MILES AN HOUR.

THESE THUNDERSTORM COULD STRENGTHEN AND BECOME SEVERE DURING THE
NEXT FEW HOURS.  LARGE HAIL...DAMAGING WINDS...AND BRIEF HEAVY RAINS
MAY ACCOMPANY THESE THUNDERSTORMS.

PERSONS IN AND NEAR THE WATCH AREA ARE URGED TO LISTEN FOR THE LATEST
WEATHER DEVELOPMENTS FROM THE NATIONA WEATHER SERVICE IN CASE WARNINGS
ARE ISSUED.
Special weather statement, May 27, 9:53 PM CDT, 22 minutes before
TXZ030-034>037-280500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
950 PM CDT SUN MAY 27 1990

...SEVERE THUNDERSTORM WATCH NUMBER 337 IS NOW IN EFFECT UNTILL 2 AM
MONDAY FOR PARTS OF CENTRAL AND EASTERN TEXAS...THIS INCLUDES TRAVIS
AND ALL SURROUNDING COUNTIES EXCEPT FOR FAYETTE AND CALDWELL COUNTIES.

...A FLASH FLOOD WATCH IS IN EFFECT FOR MILLS...LAMPASAS AND SAN SABA
COUNTIES UNTILL MIDNIGHT...

AT 945 PM A LINE OF THUNDERSTORMS PRODUCING HEAVY RAINFALL...GUSTY
WINDS ALONG WITH DANGEROUS LIGHTNING FROM WEST OF LLANO TO BETWEEN
LAMPASAS AND SAN SABA TO EAST OF GOLDTHWAITE MOVING SOUTHEAST AT 15 MPH.

PERSONS NEAR THIS LINE OF THUNDERSTORMS SHOULD STAY ALERT FOR
POSSIBLE WARNINGS IF THESE STORMS CONTINUE TO INTENSIFY.

The office that day

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

IssuedProductOfficeCountiesLasted
May 27, 10:04 PM CDTSevere Thunderstorm WarningEWXMills56 min
May 27, 11:13 PM CDTSevere Thunderstorm WarningEWXLampasas32 min
May 27, 11:29 PM CDTSevere Thunderstorm WarningEWXSan Saba31 min
May 27, 11:39 PM CDTSevere Thunderstorm WarningEWXBurnet51 min
May 28, 12:41 AM CDTSevere Thunderstorm WarningEWXBurnet, Travis, Williamson64 min
May 28, 1:10 AM CDTSevere Thunderstorm WarningEWXLampasas50 min

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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.