Alert archive / Texas / Tornado Warnings in 1992

Tornado Warning 1, NWS Austin/San Antonio, TX

March 9, 1992Gillespie County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at Mar 9, 1992, 4:42 AM CST for Gillespie County, Texas. It was in force for 48 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: Mar 9, 1992, 4:42 AM CST (10:42 UTC)
Expired: Mar 9, 1992, 5:30 AM CST
In force: 48 min
Issued by: NWS Austin/San Antonio, TX
Area: Whole counties

County Gillespie County, TX

What was reported inside it

Time	Report	Where	Remark
Mar 9, 5:10 AM CST	Hail 1.75	Gillespie, 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, 10.7 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 967 J/kg
Mixed-layer CIN: -13 J/kg
Mixed-layer LCL: 948 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 138 m²/s²
0-3 km storm-relative helicity: 131 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 2.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KAUS 091043
TORAUS
TXC171-091130-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN TX
442 AM CST MON MAR 9 1992
 
THE NATIONAL WEATHER SERVICE IN AUSTIN HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  530 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL TEXAS
 
   ...GILLESPIE COUNTY
 
AT 440 AM...RADAR INDICATED A POSSIBLE TORNADO 10 MILES WEST OF DOSS
MOVING TO THE EAST AT 50 MILES AN HOUR. PERSONS IN DOSS ARE IN THE
IMMEDIATE PATH OF THIS STORM. LARGE HAIL AND DAMAGING THUNDERSTORM
WINDS ARE LIKELY WITH THIS STORM.
 
THIS IS A DANGEROUS STORM SITUATION.  ACT QUICKLY.  IF YOU ARE
IN THE PATH OF THIS TORNADO MOVE TO A SHELTER BELOW GROUND IF
AVAILABL%E.  OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST
FLOOR POSSIBLE.  AVOID WINDOWS.  ABANDON CARS AND MOBILE HOMES
FOR A REINFORCED BUILDING OR GET INTO A DITCH OR CULVERT.

What forecasters said that day

The local office's own words before this tornado 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, Mar 9, 4:10 AM CST, 32 minutes before

TXZ030-034>037-051130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
405 AM CST MON MAR 9 1992

...FLASH FLOOD WATCH HAS BEEN CANCELLED FOR MUCH OF CENTRAL TEXAS AND
   THE HILL COUNTRY...HOWEVER REMAINS IN EFFECT FOR MUCH OF SOUTHEAST
   TEXAS...EAST OF A LINE FROM VICTORIA TO COLLEGE STATION...
...TORNADO WATCH IN EFFECT UNTIL 8AM FOR SAN SABA...MILLS...LAMPASAS...
   LLANO...BURNET...GILLESPIE...BLANCO...HAYS...TRAVIS...WILLIAMSON...
   MILAM...

AT 4 AM RADAR SHOWED A VERY STRONG THUNDERSTORM 15 MILES SOUTH OF
JUNCTION.  ANOTHER STRONG THUNDERSTORM WAS 7 MILES NORTH OF FORT HOOD.
ELSWEHERE...LIGHT RAINSHOWERS COVERED MUCH OF CENTRAL TEXAS NORTH
OF A LINE FROM BLANCO TO DRIPPING SPRINGS TO AUSTIN TO THORNADALE.
THE PRECIPITATION WAS MOVING TO THE NORTHEAST AT 35 MILES AN HOUR.

THE THUNDERSTORM SOUTH OF JUNCTION WILL BE AFFECTING PERSONS WHO LIVE
IN GILLESPIE COUNTY BETWEEN 430 AND 5 AM.  PERSONS IN GILLESPIE COUNTY
AND SURROUNDING COUNTIES TO THE NORTH AND EAST SHOULD MONITOR NOAA
WEATHER RADIO FOR POSSIBLE WARNINGS.

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 8, 6:08 PM CST	Severe Thunderstorm Warning	EWX	Kinney	67 min
Mar 8, 7:55 PM CST	Severe Thunderstorm Warning	EWX	Kinney	65 min
Mar 9, 1:56 AM CST	Severe Thunderstorm Warning	EWX	Gillespie	34 min
Mar 9, 2:28 AM CST	Severe Thunderstorm Warning	EWX	Llano	47 min
Mar 9, 5:13 AM CST	Tornado Warning	EWX	Llano	32 min

Nearby

Tornado Warnings in Texas, 1992 Every tornado warning in 1992 Tornadoes in 1992

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.