Alert archive / Texas / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 117, NWS Austin/San Antonio, TX

May 18, 1995Atascosa County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 18, 1995, 2:06 AM CDT for Atascosa County, Texas. It was in force for 54 min.

The area

The counties it named.

The facts

Issued
May 18, 1995, 2:06 AM CDT (07:06 UTC)
Expired
May 18, 1995, 3:00 AM CDT
In force
54 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Atascosa County, TX

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 7.1 hours before the alert went out and 174 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 1995-05-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2999 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, Corpus Christi, TX at 00:00Z on 1995-05-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 126 square meters per square second.19395878Sfc1 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
2999 J/kg
Mixed-layer CIN
-227 J/kg
Mixed-layer LCL
1013 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
126 m²/s²
0-3 km storm-relative helicity
63 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.9

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, May 17, 8:49 PM CDT, 5 hours 17 minutes before
TXZ171>173-190>194-180400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
845 PM CDT WED MAY 17 1995

...A TORNADO WATCH IS IN EFFECT UNTIL 1 AM FOR PORTIONS OF CENTRAL
TEXAS INCLUDING TRAVIS...BASTROP...LEE...BLANCO AND WILLIAMSON
COUNTIES...

AT 840 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SHOWERS
AND THUNDERSTORMS FROM BURNET TO JUST WEST OF AUSTIN TO GEORGETOWN.
THE STRONGEST THUNDERSTORM WAS LOCATED 10 MILES WEST OF AUSTIN.
THESE STORMS WERE MOVING EAST AT 30 MILES AN HOUR AND SHOULD MOVE
INTO THE AUSTIN METROPOLITAN AREA IN THE NEXT 30 MINUTES.

THESE STORMS ARE CAPABLE OF PRODUCING STRONG GUSTY WINDS...BRIEF
HEAVY DOWNPOURS...SMALL HAIL AND DANGEROUS LIGHTNING STRIKES.
PERSONS IN THE PATH OF THESE STORMS SHOULD REMAIN ALERT TO CHANGING
WEATHER CONDITIONS AND STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER
STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, May 17, 10:13 PM CDT, 3 hours 53 minutes before
TXZ171>173-190>194-180500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1010 PM CDT WED MAY 17 1995

...THE TORNADO WATCH FOR SOUTH CENTRAL TEXAS HAS BEEN CANCELLED...

AT 1005 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SHOWERS
AND THUNDERSTORMS FROM JOHNSON CITY TO AUSTIN TO GEORGETOWN. THESE
STORMS WERE MOVING EAST AT 30 MILES AN HOUR.

THESE STORMS ARE CAPABLE OF PRODUCING STRONG GUSTY WINDS...BRIEF
HEAVY nDOWNPOURS...SMALL HAIL AND DANGEROUS LIGHTNING STRIKES.
PERSONS IN THE PATH OF THESE STORMS SHOULD REMAIN ALERT TO CHANGING
WEATHER CONDITIONS AND STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER
STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, May 17, 10:44 PM CDT, 3 hours 22 minutes before
TXZ203>205-219-220-180500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1043 PM CDT WED MAY 17 1995

AT 1040 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SHOWERS
AND THUNDERSTORMS FROM HONDO TO PEARSALL. THE STRONGEST STORM WAS
LOCATED JUST SOUTH OF HONDO. THESE STORMS WERE MOVING NORTHEAST AT
25 MILES AN HOUR. THE STORMS SHOULD MOVE INTO BEXAR COUNTY WITHIN
THE NEXT 30 MINUTES.

THESE STORMS ARE CAPABLE OF PRODUCING STRONG GUSTY WINDS...BRIEF
HEAVY DOWNPOURS...SMALL HAIL AND DANGEROUS LIGHTNING STRIKES.
PERSONS IN THE PATH OF THESE STORMS SHOULD REMAIN ALERT TO CHANGING
WEATHER CONDITIONS AND STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER
STATEMENTS AND PO~SSIBLE WARNINGS.

The office that day

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

IssuedProductOfficeCountiesLasted
May 17, 11:00 PM CDTSevere Thunderstorm WarningEWXWilliamson60 min
May 17, 11:11 PM CDTSevere Thunderstorm WarningEWXBexar, Medina64 min
May 18, 12:04 AM CDTSevere Thunderstorm WarningEWXAtascosa, Bexar, Medina56 min
May 18, 12:25 AM CDTSevere Thunderstorm WarningEWXWilson65 min
May 18, 12:55 AM CDTSevere Thunderstorm WarningEWXDeWitt, Gonzales, Karnes65 min
May 18, 1:28 AM CDTSevere Thunderstorm WarningEWXAtascosa, Frio47 min
May 18, 2:39 AM CDTSevere Thunderstorm WarningEWXKarnes, Wilson66 min
May 18, 4:05 AM CDTSevere Thunderstorm WarningEWXMcMullen40 min

Nearby

Severe Thunderstorm Warnings in Texas, 1995Every severe thunderstorm warning in 1995

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.