Alert archive / Texas / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 65, NWS Austin/San Antonio, TX

June 26, 1990Fayette County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Jun 26, 1990, 4:09 AM CDT for Fayette County, Texas. It was in force for 36 min.

The area

The counties it named.

The facts

Issued
Jun 26, 1990, 4:09 AM CDT (09:09 UTC)
Expired
Jun 26, 1990, 4:45 AM CDT
In force
36 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Fayette 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

Corpus Christi, TX (KCRP), launched 00:00Z, 9.2 hours before the alert went out and 242 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, Corpus Christi, TX at 00:00Z on 1990-06-26Temperature 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, Corpus Christi, TX at 00:00Z on 1990-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 66 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
NaN m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
66 m²/s²
0-3 km storm-relative helicity
95 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KAUS 260910
SVRAUS
TXC149-261000-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN TX
409 AM CDT TUE JUN 26 1990
 
THE NATIONAL WEATHER SERVICE IN AUSTIN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  500 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL TEXAS
 
   ...FAYETTE COUNTY
 
AT 409 AM RADAR SHOWED A DANGEROUS THUNDERSTROM JUST NORTH OF LA
GRANGE. MOVEMENT WAS TO THE SOUTH AT 15 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, Jun 25, 10:14 PM CDT, 5 hours 55 minutes before
TXZ034>044-054-260330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
1015 PM CDT MON JUN 25 1990

.....EXTREMELY HIGH FIRE DANGER CONTINUES FOR MUCH OF SOUTH TEXAS.....

DUE TO THE EXTREMELY DRY AND UNSEASONABLY HOT WEATHER THIS MONTH...
AN EXTREMELY HIGH FIRE DANGER EXISTS FOR THE TEXAS HILL COUNTRY...
EDWARDS PLATEAU...SOUTH CENTRAL TEXAS...THE COASTAL BEND...THE BRUSH
COUNTRY REGION OF THE RIO GRANDE PLAINS AND THE LOWER RIO GRANDE
VALLEY.

PERSONS OUTDOORS SHOULD NOT ATTEMPT TO BURN UNTIL CONDITIONS IMPROVE.
BRUSH AND RANGELAND ARE TINDER DRY FROM THE 100-DEGREE PLUS TEMPERATURES
AND VERY LOW RELATIVE HUMIDITIES.  GRASSES ARE EXTREMELY VULNERABLE TO
SUDDEN FIRES.

WITH THE WEEKEND BEFORE THE FOURTH OF JULY HOLIDAY APPROACHING...PERSONS
OUTDOORS SHOULD BE VERY CAREFUL WITH DISCARDED CIGARETTES AND MATCHES.
CAMPFIRES AND FIREWORKS SHOULD BE AVOIDED IN LOCATIONS WHERE THE GRASS
OR BRUSH IS HIGH AND DRY.

ADDtITIONAL STATEMENTS WILL BE ISSUED PERIODICALLY DURING THIS EPISODE
BY LOCAL WEATHER SERVICE OFFICES.
Special weather statement, Jun 26, 12:28 AM CDT, 3 hours 41 minutes before
TXZ036-037-260700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
1225 PM CDT MON JUN 265 1990

...THUNDERSTORMS MOVING INTO MILAM AND BURLESON COUNTIES...

AT 1220 AM RADAR SHOWED THE LEADING EDGE OF THE LARGE AREA OF SHOWER
AND THUNDERSTORMS ACTIVITY FROM MARLIN TO EAST OF CAMERON INTO THE
BRYAN/COLLEGE STATION AREA.

MOVEMENT OF THE THUNDERSTORM ACTIVITY IS TO THE SOUTHWEST AT 35 MPH.

THESE THUNDERSTORM COUULD PRODUCE VERY HEGAVY RAIN...STRONG GUSTY WINDS...
FREQUENT DANGEROUS LIGHTNING AND SMALL HAIL.

PERSONS IN MILAM AND BURLESON COUNTIES SHOULD MONITOR THE LATEST WEATHER
DEVELOPMENTS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Jun 26, 1:43 AM CDT, 2 hours 26 minutes before
TXZ036-037-260830-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
140 PM CDT MON JUN 265 1990

AT 135 AM RADAR SHOWED THE LEADING EDGE OF A LARGE AREA OF SHOWERS
AND THUNDERSTORMS FROM FRANKLIN TO NORTH OF CALDWELL SOUTH TO GIDDINGS
AND NEAR FAYETTE.

MOVEMENT OF THE AREA IS TO THE SOUTHWEST AT 25 MPH.

THESE THUNDERSTORM COUULD PRODUCE BRIEF HEAVY RAIN...GUSTY WINDS...
FREQUENT DANGEROUS LIGHTNING.

PERSONS IN LEE ND FAYETTE COUNTIES SHOULD MONITOR THE LATEST WEATHER
DEVELOPMENTS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS.

THESE THUNDERSTOMS COULD MOVE INTO BATSTROP COUNTY IN THE NEXT HOUR.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 8:41 PM CDTSevere Thunderstorm WarningEWXFayette49 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; the sounding from the Mesonet's radiosonde archive.