Alert archive / Texas / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 61, NWS Austin/San Antonio, TX

June 1, 1990Mills County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Jun 1, 1990, 5:05 AM CDT for Mills County, Texas. It was in force for 55 min.

The area

The counties it named.

The facts

Issued
Jun 1, 1990, 5:05 AM CDT (10:05 UTC)
Expired
Jun 1, 1990, 6:00 AM CDT
In force
55 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Mills 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, 10.1 hours before the alert went out and 93 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 1990-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3793 joules per kilogram.LCLEL10008507005003002001001 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 1990-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 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
3793 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
1441 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
-18 m²/s²
Significant tornado parameter
-0.1
Supercell composite
-1.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KAUS 011006
SVRAUS
TXC333-011100-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN TX
505 AM CDT FRI JUN 1 1990
 
THE NATIONAL WEATHER SERVICE IN AUSTIN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  600 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTH CENTRAL TEXAS
 
   ...MILLS COUNTY
 
AT 5 AM CDT DANGEROUS THUNDERSTORMS WERE MOVING EASTWARD OVER MILLS
COUNTY. THE STRONGEST PORTIONS OF THESE THUNDERSTORMS WERE LOCATED
NEAR THE TOWN OF MULLIN.
 
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 LOWYEST 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 1, 4:47 AM CDT, 18 minutes before
TXZ030-011100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
445 AM CDT FRI JUN 01 1990

...STRONG THUNDERSTORM...80 MILES NORTHWEST OF AUSTIN...

AT 440 AM...STRONG THUNDERSTORMS WERE MO,VING EASTWARD OVER THE NORTHERN
PORTION OF SAN SABA COUNTY AND MILLS COUNTY. THESE STORMS MAY PRODUCE
BRIEF HEAVY RAINFALL...GUSTY WINDS ALONG WITH DANGEROUS LIGHTNING AND
SMALL HAIL.

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.