Alert archive / Texas / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 2, NWS Austin/San Antonio, TX

February 22, 1994Hays County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Feb 22, 1994, 4:30 AM CST for Hays County, Texas. It was in force for 30 min.

The area

The counties it named.

The facts

Issued
Feb 22, 1994, 4:30 AM CST (10:30 UTC)
Expired
Feb 22, 1994, 5:00 AM CST
In force
30 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Hays County, TX

The nearest sounding before it

Stephenville/Cla, TX (KSEP), launched 00:00Z, 10.5 hours before the alert went out and 240 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 1994-02-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 13 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 1994-02-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 193 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
13 J/kg
Mixed-layer CIN
-194 J/kg
Mixed-layer LCL
554 m above ground
0-6 km bulk shear
82 kt
0-1 km storm-relative helicity
193 m²/s²
0-3 km storm-relative helicity
236 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 
WUUS1 KAUS 221029
SVREWX
TXC209-221100-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN TX
430 AM CST TUE FEB 22 1994
 
THE NATIONAL WEATHER SERVICE IN AUSTIN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  500 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL TEXAS
 
   ...HAYS COUNTY
 
AT 430 AM...A SEVERE THUNDERSTORM WAS MOVING INTO WESTERN HAYS COUNTY.
THIS STORM IS CAPABLE OF LARGE HAIL AND PARTICULARLY DAMAGING WINDS IN
EXCESS OF 60 MPH.
 
THIS STORM WAS MOVING TO THE EAST AT 40 MILES AN HOUR...AND WILL BE
AFFECTING THE CITIES OF DRIPPING SPRINGS...SAN MARCOS...KYLE AND BUDA
BETWEEN 430 AND 5 AM.
 
THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND AT OR ABOVE 60 MPH...LARGE HAIL...
AND DEADLY LIGHTNING. HAVE ALL LOOSE YARD ITEMS STOWED. TELL
YOUR KIDS WHAT TO DO AND WHERE TO GO BEFORE THE STORM HITS.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND AROUND 60 MPH OR
HIGHER...LARGE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
SLOW DOWN OR MOVE COMPLETELY OFF ROADWAYS IN HEAVY RAINS.
BRIEF LOCALIZED FLOODING ACCOMPANY MANY SEVERE THUNDERSTORMS.
REMEMBER WE ISSUE WARNINGS ON A COUNTY BASIS.

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, Feb 22, 2:22 AM CST, 2 hours 8 minutes before
TXZ142-155-156-171-172-188-190-221030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
222 AM CST TUE FEB 22 1994

...SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR MILLS...LAMPASAS AND
SAN SABA COUNTIES...

AT 217 AM...SHOWERS AND A FEW THUNDERSTORMS WITH HEAVY RAIN WERE
SCATTERED THROUGH THE HILL COUNTRY.  THE HEAVIEST RAIN WAS OCCURRING
FROM HARPER TO FREDERICKSBURG AND ROUND MOUNTAIN...AND FROM LLANO TO
LAMPASAS AND FORT HOOD.

THE SHOWERS AND THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 30 MILES
AN HOUR.

ALTHOUGH THE THREAT FOR SEVERE WEATHER HAS DIMINISHED...MOTORIST ARE
URGED TO SLOW DOWN DURING HEAVY RAIN.  SOME MINOR FLOODING OF ROADWAYS
AND LOW WATER CROSSINGS IS POSSIBLE...REMEMBER NOT TO ATTEMPT CROSSING
FLOODED LOW WATER CROSSINGS.  ALSO VISIBILITIES MAY BE GREATLY REDUCED
IN HEAVY RAIN MAKING FOR HAZARDOUS DRIVING.

STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST WEATHER INFORMATION.
HOHMANN
Special weather statement, Feb 22, 2:24 AM CST, 2 hours 6 minutes before
TXZ142-155-156-171-172-188-190-221030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
222 AM CST TUE FEB 22 1994

...SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR MILLS...LAMPASAS AND
SAN SABA COUNTIES...

AT 217 AM...SHOWERS AND A FEW THUNDERSTORMS WITH HEAVY RAIN WERE
SCATTERED THROUGH THE HILL COUNTRY.  THE HEAVIEST RAIN WAS OCCURRING
FROM HARPER TO FREDERICKSBURG AND ROUND MOUNTAIN...AND FROM LLANO TO
LAMPASAS AND FORT HOOD.

THE SHOWERS AND THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 30 MILES
AN HOUR.

ALTHOUGH THE THREAT FOR SEVERE WEATHER HAS DIMINISHED...MOTORIST ARE
URGED TO SLOW DOWN DURING HEAVY RAIN.  SOME MINOR FLOODING OF ROADWAYS
AND LOW WATER CROSSINGS IS POSSIBLE...REMEMBER NOT TO ATTEMPT CROSSING
FLOODED LOW WATER CROSSINGS.  ALSO VISIBILITIES MAY BE GREATLY REDUCED
IN HEAVY RAIN MAKING FOR HAZARDOUS DRIVING.

STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST WEATHER INFORMATION.
HOHMANN
Special weather statement, Feb 22, 3:14 AM CST, 1 hour 16 minutes before
TXC187-205-221100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
315 AM CST TUE FEB 22 1994

SHOWERS AND THUNDERSTORMS WITH HEAVY RAIN ARE MOVING ACROSS BANDERA
COUNTY THIS MORNING.  AT 200 AM NATIONAL WEATHER SERVICE RADAR IN
HONDO SHOWED A WIDESPREAD AREA OF SHOWERS AND THUNDERSTORMS...SOME
WITH HEAVY RAIN...EXTENDING FROM UVALDE NORTHEASTWARD ACROSS BANDERA
COUNTY TO FREDERICKSBURG.  THE RAIN ACTIVITY WAS MOVING TO THE
NORTHEAST AT 35 MILES AN HOUR.

LOW LYING AREAS AND LOW WATER CROSSINGS MAY FILL QUICKLY WITH RAINFALL.
MOTORISTS ARE URGED TO USE EXTRA CAUTION WHEN APPROACHING LOW WATER
CROSSINGS...ESPECIALLY ON SMALLER COUNTRY ROADS.
Special weather statement, Feb 22, 3:15 AM CST, 1 hour 15 minutes before
TXC187-205-221100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
315 AM CST TUE FEB 22 1994

SHOWERS AND THUNDERSTORMS WITH HEAVY RAIN ARE MOVING ACROSS BANDERA
COUNTY THIS MORNING.  AT 200 AM NATIONAL WEATHER SERVICE RADAR IN
HONDO SHOWED A WIDESPREAD AREA OF SHOWERS AND THUNDERSTORMS...SOME
WITH HEAVY RAIN...EXTENDING FROM UVALDE NORTHEASTWARD ACROSS BANDERA
COUNTY TO FREDERICKSBURG.  THE RAIN ACTIVITY WAS MOVING TO THE
NORTHEAST AT 35 MILES AN HOUR.

LOW LYING AREAS AND LOW WATER CROSSINGS MAY FILL QUICKLY WITH RAINFALL.
MOTORISTS ARE URGED TO USE EXTRA CAUTION WHEN APPROACHING LOW WATER
CROSSINGS...ESPECIALLY ON SMALLER COUNTRY ROADS.
Special weather statement, Feb 22, 3:51 AM CST, 39 minutes before
TXZ171-172-188-190-173-192-191-193-208-221100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
351 AM CST TUE FEB 22 1994

...THUNDERSTORMS INCREASING OVER THE HILL COUNTRY...

AT 345 AM...A LINE OF VERY INTENSE THUNDERSTORMS WAS DEVELOPING FROM
BOERNE TO ROUND MOUNTAIN.  THESE STORMS ARE CAPABLE OF HAIL...DEADLY
LIGHTNING AND TORRENTIAL RAINS.  THE LINE WAS MOVING TO THE EAST
AT 30 MILES AN HOUR.

ELSEWHERE...NUMEROUS SHOWERS AND THUNDERSTORMS WERE OVER A LARGE PORTION
OF THE HILL COUNTRY WEST OF INTERSTATE 35.  THE SHOWERS AND
THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 30 MILES AN HOUR.

MOTORIST SHOULD AVOID FLOODED AREAS IN THE ROADWAY...AND BE PARTICULARLY
ALERT WHEN APPROACHING LOW WATER CROSSINGS.  VISIBILITIES WILL ALSO BE
GREATLY REDUCED IN THE HEAVIER SHOWERS MAKING FOR DANGEROUS DRIVING
CONDITIONS.

THESE THUNDERSTORMS WILL BEGIN AFFECTING THE INTERSTATE 35 CORRIDOR
INCLUDING THE GREATER AUSTIN AREA AROUND 5 AM...AND MAY LAST INTO THE
EARLY MORNING RUSH HOUR.  STAY TUNED TO NOAA WEATHER RADIO FOR LATER
STATEMENTS AND POSSIBLE WARNINGS.
HOHMANN
Special weather statement, Feb 22, 3:52 AM CST, 38 minutes before
TXZ171-172-188-190-173-192-191-193-208-221100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
351 AM CST TUE FEB 22 1994

...THUNDERSTORMS INCREASING OVER THE HILL COUNTRY...

AT 345 AM...A LINE OF VERY INTENSE THUNDERSTORMS WAS DEVELOPING FROM
BOERNE TO ROUND MOUNTAIN.  THESE STORMS ARE CAPABLE OF HAIL...DEADLY
LIGHTNING AND TORRENTIAL RAINS.  THE LINE WAS MOVING TO THE EAST
AT 30 MILES AN HOUR.

ELSEWHERE...NUMEROUS SHOWERS AND THUNDERSTORMS WERE OVER A LARGE PORTION
OF THE HILL COUNTRY WEST OF INTERSTATE 35.  THE SHOWERS AND
THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 30 MILES AN HOUR.

MOTORIST SHOULD AVOID FLOODED AREAS IN THE ROADWAY...AND BE PARTICULARLY
ALERT WHEN APPROACHING LOW WATER CROSSINGS.  VISIBILITIES WILL ALSO BE
GREATLY REDUCED IN THE HEAVIER SHOWERS MAKING FOR DANGEROUS DRIVING
CONDITIONS.

THESE THUNDERSTORMS WILL BEGIN AFFECTING THE INTERSTATE 35 CORRIDOR
INCLUDING THE GREATER AUSTIN AR8EA AROUND 5 AM...AND MAY LAST INTO THE
EARLY MORNING RUSH HOUR.  STAY TUNED TO NOAA WEATHER RADIO FOR LATER
STATEMENTS AND POSSIBLE WARNINGS.
HOHMANN

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 22, 1:06 AM CSTFlash Flood WarningEWXVal Verde2 hr
Feb 22, 4:55 AM CSTSevere Thunderstorm WarningEWXTravis35 min

Nearby

Severe Thunderstorm Warnings in Texas, 1994Every severe thunderstorm warning in 1994

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.