Alert archive / Texas / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 41, NWS Austin/San Antonio, TX

April 16, 1997Kerr County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Apr 16, 1997, 7:11 PM CDT for Kerr County, Texas. It was in force for 64 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 16, 1997, 7:11 PM CDT (00:11 UTC)
Expired
Apr 16, 1997, 8:15 PM CDT
In force
64 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Kerr County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 0.2 hours before the alert went out and 163 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 1997-04-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 475 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Del Rio, TX at 00:00Z on 1997-04-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 square meters per square second.1939587897117Sfc1 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
475 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
1096 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
43 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 
TTAA00 KSAT 170016 RRA
SVRSAT
TXC265-170115-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
711 PM CDT WED APR 16 1997
 
THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  815 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL TEXAS
 
   ...KERR COUNTY
 
AT 710 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM JUST WEST
OF MOUNTAIN HOME ALONG INTERSTATE 10 WEST BETWEEN MOUNTAIN HOME AND
SEGOVIA.  THE STORM IS MOVING TOWARD THE SOUTHWEST AT LESS THAN 10 MPH.
HAIL NEAR AN INCH IN DIAMETER WAS INDICATED BY DOPPLER RADAR.
 
PEOPLE IN THE PATH OF THIS STORM SHOULD BE ALERT TDO THE POSSIBILITY
OF LARGE HAIL AND DAMAGING WINDS.  FREQUENT LIGHTNING AND LOCALLY
HEAVY RAIN CAN ALSO OCCUR WITH SEVERE THUNDERSTORMS...FLOODING SMALL
STREAMS...LOW AREAS...AND LOW-WATER CROSSINGS.

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, Apr 16, 5:29 PM CDT, 1 hour 42 minutes before
TXZ171>173-183>194-202>209-217>225-228-171200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
530 PM CDT WED APR 16 1997

HAZARDOUS WEATHER IS NOT EXPECTED TONIGHT OR THURSDAY.

THE HAZARDOUS WEATHER OUTLOOK WILL NORMALLY BE UPDATED BY MEANS OF
THE ZONE FORECAST...SHORT TERM FORECASTS...WATCHES....WARNINGS AND
ADVISORIES.  THE HAZARDOUS WEATHER OUTLOOK ITSELF WILL BE UPDATED
ONLY IF UNFORECAST HAZARDOUS WEATHER DEVELOPS OR IF FORECAST
HAZARDOUS WEATHER IS NO LONGER EXPECTED.
Special weather statement, Apr 16, 5:30 PM CDT, 1 hour 41 minutes before
TXZ171>173-183>194-202>209-217>225-228-171200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
530 PM CDT WED APR 16 1997

HAZARDOUS WEATHER IS NOT EXPECTED TONIGHT OR THURSDAY.

THE HAZARDOUS WEATHER OUTLOOK WILL NORMALLY BE UPDATED BY MEANS OF
THE ZONE FORECAST...SHORT TERM FORECASTS...WATCHES....WARNINGS AND
ADVISORIES.  THE HAZARDOUS WEATHER OUTLOOK ITSELF WILL BE UPDATED
ONLY IF UNFORECAST HAZARDOUS WEATHER DEVELOPS OR IF FORECAST
HAZARDOUS WEATHER IS NO LONGER EXPECTED.

Nearby

Severe Thunderstorm Warnings in Texas, 1997Every severe thunderstorm warning in 1997

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.