Alert archive / Texas / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 85, NWS Austin/San Antonio, TX

May 25, 1992Dimmit County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 25, 1992, 8:09 PM CDT for Dimmit County, Texas. It was in force for 66 min.

The area

The counties it named.

The facts

Issued
May 25, 1992, 8:09 PM CDT (01:09 UTC)
Expired
May 25, 1992, 9:15 PM CDT
In force
66 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Dimmit County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 1.2 hours before the alert went out and 149 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 1992-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 559 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Del Rio, TX at 00:00Z on 1992-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 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
559 J/kg
Mixed-layer CIN
-291 J/kg
Mixed-layer LCL
1108 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
76 m²/s²
0-3 km storm-relative helicity
153 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSAT 260111
SVRSAT
TXC127-260215-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
809 PM CDT MON MAY 25 1992
 
THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  915 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTH TEXAS
 
   ...DIMMIT COUNTY
 
NATIONAL WEATHER SERVICE RADAR CONTINUED TO SHOW A SEVERE THUNDERSTORM
OVER NORTHWEST DIMMIT COUNTY...JUST NORTHWEST OF CARRIZO SPRINGS.
MOVEMENT WAS VERY SLOW TO THE SOUTHEAST. SEVERAL REPORTS OF
HAIL...SIZE UNKNOWN...WERE RECEIVED BY THE SHERIFF'S DEPARTMENT IN THE
COUNTY AS WELL AS ONE UNCONFIRMED SIGHTING OF A POSSIBLE TORNADO. THE
SLOW MOVEMENT OF THE STORM ALSO GREATLY ENHANCES THE LIKELIHOOD OF
SOME FLOODING IN THE NORTHWEST SECTION OF THE COUNTY.
 
ALTHOUGH NO TORNADOES HAVE BEEN DETECTED WITH THIS STORM...A
TORNADO WATCH REMAINS IN EFFECT.  SEVERE THUNDERSTORMS CAN AND
OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING
SO BE ON THE LOOKOUT.
 
SEVERE THUNDERSTORM WINDS CAN REACH SPEEDS OVER 60 MPH.  THESE WINDS
BLOW DOWN TREES...POWER LINES...AND SEVERELY DAMAGE MOBILE HOMES...
SOMETIMES BUILDINGS.  VERY LARGE HAIL CAN INJURE ANYONE CAUGHT
OUTSIDE.

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

Local storm report, May 25, 6:02 PM CDT, 2 hours 7 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN TX
603 PM CDT MON MAY 25 1992

TIME   COUNTY      EVENT OF...MAY 25 1992...

1700   WILLIAMSON  LEANDER FIRE DEPARTMENT REPORTED 60 MPH WINDS.

LUNA
Special weather statement, May 25, 6:04 PM CDT, 2 hours 5 minutes before
TXZ035-039-260000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
600 PM CDT MON MAY 25 1992

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR SOUTH CENTRAL TEXAS UNTIL 11 PM...

STRONG THUNDERSTORMS WERE BUILDING SOUTHWARD FROM KENDALL COUNTY INTO WESTERN
PORTIONS OF BEXAR COUNTY EARLY THIS EVENING.  AT 600 PM CDT...THE STRONGEST
THUNDERSTORM WAS LOCATED NEAR THE JUNCTURE OF KENDALL...COMAL AND BEXAR
COUNTIES...NEAR THE TOWN OF BERGHEIM.  MOVEMENT WAS TO THE EAST AT 30 MILES
AN HOUR.

CONTINUED DEVELOPMENT TO THE SOUTH IS LIKELY FOR THE NEXT HOUR OR SO...
POSSIBLY THREATENING THE METROPOLITAN AREA OF SAN ANTONIO.  RESIDENTS IN
THE PATH OF THESE STORMS CAN EXPECT BRIEF HEAVY RAINFALL...FREQUENT
LIGHTNING...GUSTY WIND AND POSSIBLY HAIL.

CONDITIONS ARE FAVORABLE FOR SOME OF THESE THUNDERSTORMS TO REACH SEVERE
LIMITS.  IN FACT...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR RESIDENTS OF
SOUTH CENTRAL TEXAS...INCLUDING THE SAN ANTONIO METROPOLITAN AREA...UNTIL 11
PM CDT.

STAY TUNED TO NOAA WEATHER RADIO FOR ADDITIONAL STATEMENTS OR WARNINGS.
Special weather statement, May 25, 6:30 PM CDT, 1 hour 39 minutes before
TXZ054-260030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DEL RIO TX
400 PM CDT MON MAY 25 1992

...A TORNADO WATCH IS IN EFFECT FOR VAL VERDE COUNTY UNTIL 1000 PM
CDT...

AT 625 PM CDT RADAR SHOWED A VERY INTENSE THUNDERSTORM 68 MILES
NORTHWEST OF DEL RIO...JUST WEST OF PANDALE. MOVEMENT WAS TO THE
EAST AT 15 MILES AN HOUR. ANOTHER AREA WAS LOCATED 5 MILES SOUTHWEST TO
45 MILES SOUTHWEST OF DEL RIO. THE STRONGEST PORTION WAS LOCATED 30
MILES SOUTH OF DEL RIO. MOVEMENT WAS TO THE SOUTHEAST AT 10 MILES AN
HOUR.

THIS STORMS HAS THE POTENTIAL TO DEVELOP TORNADOES...DANGEROUS
LIGHTNING...DAMAGING WINDS AND LARGE HAIL.

REMEMBER... A TORNADO WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR
TORNADOES IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD
BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS. AND LISTEN FOR
LATER STATEMENTS AND POSSIBLE WARNINGS.

LISTEN TO YOUR LOCAL RADIO...TV...OR NOAA WEATHER RADIO FOR =FURTHER
DETAILS.
Special weather statement, May 25, 6:34 PM CDT, 1 hour 35 minutes before
TXZ054-260030-

SPECIAL WEATHER STATEMENT...CORRECTION...
NATIONAL WEATHER SERVICE DEL RIO TX
630 PM CDT MON MAY 25 1992

...A TORNADO WATCH IS IN EFFECT FOR VAL VERDE COUNTY UNTIL 1000 PM
CDT...

AT 625 PM CDT RADAR SHOWED A VERY INTENSE THUNDERSTORM 68 MILES
NORTHWEST OF DEL RIO...JUST WEST OF PANDALE. MOVEMENT WAS TO THE
EAST AT 15 MILES AN HOUR. ANOTHER AREA WAS LOCATED 5 MILES SOUTHWEST TO
45 MILES SOUTHWEST OF DEL RIO. THE STRONGEST PORTION WAS LOCATED 30
MILES SOUTH OF DEL RIO. MOVEMENT WAS TO THE SOUTHEAST AT 10 MILES AN
HOUR.

THESE STORMS HAS THE POTENTIAL TO DEVELOP TORNADOES...DANGEROUS
LIGHTNING...DAMAGING WINDS AND LARGE HAIL.

REMEMBER... A TORNADO WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR
TORNADOES IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD
BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS. AND LISTEN FOR
LATER STATEMENTS AND POSSIBLE WARNINGS.

LISTEN TO YOUR LOCAL RADIO...TV...OR NOAA WEATHER RADIO FOR FURTHER
DETAILS.

...CORRECTION TO TIME...
Special weather statement, May 25, 6:40 PM CDT, 1 hour 29 minutes before
TXZ054-260030-

SPECIAL WEATHER STATEMENT...CORRECTION...
NATIONAL WEATHER SERVICE DEL RIO TX
630 PM CDT MON MAY 25 1992

...A TORNADO WATCH IS IN EFFECT FOR VAL VERDE COUNTY UNTIL 1000 PM
CDT...

AT 625 PM CDT RADAR SHOWED A VERY INTENSE THUNDERSTORM 68 MILES
NORTHWEST OF DEL RIO...JUST WEST OF PANDALE. MOVEMENT WAS TO THE
EAST AT 15 MILES AN HOUR. ANOTHER AREA WAS LOCATED 5 MILES SOUTHWEST TO
45 MILES SOUTHWEST OF DEL RIO. THE STRONGEST PORTION WAS LOCATED 30
MILES SOUTH OF DEL RIO. MOVEMENT WAS TO THE SOUTHEAST AT 10 MILES AN
HOUR.

THESE STORMS HAVE THE POTENTIAL TO DEVELOP TORNADOES...DANGEROUS
LIGHTNING...DAMAGING WINDS AND LARGE HAIL.

REMEMBER... A TORNADO WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR
TORNADOES IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD
BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR
LATER STATEMENTS AND POSSIBLE WARNINGS.

LISTEN TO YOUR LOCAL RADIO...TV...OR NOAA WEATHER RADIO FOR FURTHER
DETAILS.

...CORRECTION TO TIME...
Special weather statement, May 25, 7:56 PM CDT, 13 minutes before
TXZ054-260300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DEL RIO TX
800 PM CDT MON MAY 25 1992

...A TORNADO WATCH IS IN EFFECT FOR VAL VERDE COUNTY UNTIL 1000 PM
CDT...

AT 755 PM CDT RADAR SHOWED A VERY INTENSE THUNDERSTORM 40 MILES
SOUTH OF DEL RIO...ALSO SHOWERS AND THUNDERSTORMS WERE LOCATED FROM 50
MILES WEST TO 10 MILES NORTH TO 80 MILES SOUTH OF DEL RIO. MOVEMENT WAS
TO THE EAST AT 15 MILES AN HOUR.

THESE STORMS HAVE THE POTENTIAL TO DEVELOP TORNADOES...DANGEROUS
LIGHTNING...DAMAGING WINDS AND LARGE HAIL.

REMEMBER... A TORNADO WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR
TORNADOES IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD
BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR
LATER STATEMENTS AND POSSIBLE WARNINGS.

MONITOR THE WEATHER SITUATION THROUGH YOUR LOCAL RADIO...TV...OR NOAA
WEATHER RADIO FOR FURTHER DETAILS.

The office that day

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

IssuedProductOfficeCountiesLasted
May 25, 7:38 PM CDTSevere Thunderstorm WarningEWXMaverick67 min
May 25, 8:50 PM CDTSevere Thunderstorm WarningEWXMaverick55 min
May 25, 10:07 PM CDTSevere Thunderstorm WarningEWXWebb68 min
May 26, 4:42 AM CDTSevere Thunderstorm WarningEWXWebb48 min
May 26, 6:43 AM CDTFlash Flood WarningEWXWebb3 hr
May 26, 4:26 PM CDTSevere Thunderstorm WarningEWXGuadalupe64 min
May 26, 5:14 PM CDTSevere Thunderstorm WarningEWXWilson46 min
May 26, 6:07 PM CDTSevere Thunderstorm WarningEWXGonzales, Karnes38 min

Nearby

Severe Thunderstorm Warnings in Texas, 1992Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive.