Alert archive / Texas / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 3, NWS Brownsville, TX

February 4, 1992Willacy County, Texas

NWS Brownsville, TX issued this severe thunderstorm warning at Feb 4, 1992, 3:02 AM CST for Willacy County, Texas. It was in force for 28 min.

The area

The counties it named.

The facts

Issued
Feb 4, 1992, 3:02 AM CST (09:02 UTC)
Expired
Feb 4, 1992, 3:30 AM CST
In force
28 min
Issued by
NWS Brownsville, TX
Area
Whole counties

County Willacy County, TX

The nearest sounding before it

Brownsville Intl, TX (KBRO), launched 00:00Z, 9.0 hours before the alert went out and 67 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, Brownsville Intl, TX at 00:00Z on 1992-02-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1022 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, Brownsville Intl, TX at 00:00Z on 1992-02-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 123 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
1022 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
539 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
123 m²/s²
0-3 km storm-relative helicity
360 m²/s²
Significant tornado parameter
1.1
Supercell composite
7.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBRO 040904
SVRBRO
TXC489-041000-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
302 AM CST TUE FEB 4 1992
 
THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  400 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH TEXAS
 
   ...WILLACY COUNTY
 
   AND THE ADJACENT COASTAL WATERS OF THE LOWER TEXAS COAST
THE BAY WATERS OF THE LAGUNA MADRE
 
RADAR SHOWES A SEVERE THUNDERSTORM BETWEEN RAYMONDVILLE AND HARLINGEN
MOVING NORTHEAST AT 35 MPH.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO/ ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.

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 3, 9:03 PM CST, 5 hours 59 minutes before
TXZ041>044-0404O0-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE BROWNSVILLE TX
830 PM CST MON FEB 3 1992

... A FLOOD WATCH IS IN EFFECT FOR SOUTH TEXAS..INCLUDING THE LOWER
RIO GRANDE VALLEY... THROUGH TONIGHT ...

AT 830 PM WEATHER RADAR INDICATED SCATTERED THUNDERSTORMS...SOME WITH
VERY HEAVY RAIN EXTENDING FROM ABOUT 20 MILES NORTH OF FALFURRIAS SOUTH
TO ABOUT 20 MILES NORTHWEST OF EDINBURG. THESE THUNDERSTORMS WERE MOVING
EAST NORTHEAST AT 30 MPH.  IF THE CURRENT MOVEMENT CONTINUES THE
THUNDERSTORMS COULD SLIDE BY NORTH OF THE MISSION... MCALLEN EDINBURG
AREA.  BUT THE THUNDERSTORMS COULD EASILY REDEVELOP TO THE SOUTH.

VERY HEAVY RAIN... HAIL AND BRIEF GUSTY WINDS ARE POSSIBLE FROM THESE
THUNDERSTORMS. THE CUSTOMS AEROSTAT SITE NORTH OF RIO GRANDE CITY
REPORTED A TOTAL OF 1.30 INCHES OF RAIN... AND A RANCH JUST NORTHWEST OF
THE SITE REPORTED GOLF BALL SIZED HAIL.

OTHER WIDELY SCATTERED THUNDERSTORMS W{ERE OVER SOUTH TEXAS FROM THE RIO
GRANDE CITY... FALCON LAKE AREA NORTHEAST THROUGH THE BAFFIN BAY...
CORPUS CHRISTI AREA... OVER THE GULF WATERS... AND OVER MEXICO FROM
SOUTH OF MCALLEN WESTWARD. MOVEMENT WAS EAST NORTHEAST AT 30 MPH.
Special weather statement, Feb 3, 11:53 PM CST, 3 hours 9 minutes before
TXZ041>044-0407O0-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1128 PM CST MON FEB 3 1992

... A TORNADO WATCH IS IN EFFECT FOR DEEP SOUTH TEXAS INCLUDING THE
LOWER VALLEY UNTIL 300 AM...

...A SPECIAL MARINE WARNING IS IN EFFECT FOR THE COASTAL WATERS FROM
BAFFING BAY TO EAST OF PORT MANSFIELD UNTIL 1245 AM.

... A FLOOD WATCH IS IN EFFECT FOR SOUTH TEXAS..INCLUDING THE LOWER
RIO GRANDE VALLEY... THROUGH TONIGHT ...

AT 1128 PM WEATHER RADAR INDICATED SCATTERED THUNDERSTORMS IN AN AREA 40
MILES WIDE EXTENDING FROM 25 MILES NORTHWEST OF MISSION NORTHEASTWARD TO
50 MILES EAST OF CORPUS CHRISTI.

THESE THUNDERSTORMS WERE MOVING EAST NORTHEAST AT 30 TMPH.
VERY HEAVY RAIN... HAIL AND BRIEF GUSTY WINDS ARE POSSIBLE FROM THESE
THUNDERSTORMS.

OTHER WIDELY SCATTERED THUNDERSTORMS WERE OVER THE GULF WATERS... AND
OVER MEXICO FROM SOUTH OF MCALLEN WESTWARD. MOVEMENT WAS EAST NORTHEAST
AT 30 MPH.
Special weather statement, Feb 4, 1:53 AM CST, 1 hour 9 minutes before
TXZ041>044-0409O0-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE BROWNSVILLE TX
130 AM CST TUE FEB 4 1992

... A TORNADO WATCH IS IN EFFECT FOR KENNEDY... WILLACY... HIDALGO AND
CAMERON COUNTIES UNTIL 300 AM...

...A SPECIAL MARINE WARNING IS IN EFFECT FOR THE COASTAL WATERS FROM
BAFFIN BAY TO EAST OF THE MOUTH OF THE ARROYO UNTIL 245 AM.

... A FLOOD WATCH IS IN EFFECT FOR SOUTH TEXAS..INCLUDING THE LOWER
RIO GRANDE VALLEY... THROUGH TONIGHT ...

AT 130 AM WEATHER RADAR INDICATED THE THE THUNDERSTORMS NEAR THE SOUTH
TEXAS COAST HAD SLOWED IN THEIR SOUTH MOVWARD MOVEMENT... BUT
THUNDERSTORMS HAD INCREASED IN MEXICO AND WERE MOVING NORTHEAST TOWARD
THE VALLEY.

THE THUNDERSTORMS OVER SOUTH TEXAS AND ADJACENT COASTAL WATERS WERE
NORTH OF A LINE EXTENDING FROM 35 MILES NORTH OF EDINBURG THROUGH A
POINT 10 MILES NORTH OF SOUTH PADRE ISLAND. THESE THUNDERSTORMS WERE
MOVING EAST NORTHEAST AT 30 MPH. THE BOUY 80 MILES NORTHEAST OF PORT
ISABEL REPORT WIND GUST TO 31 KNOTS... OR 36 MPH FROM ONE OF THE
THUNDERSTORMS.

WIDELY SCATTERED THUNDERSTORMS WERE OVER NORTHEAST MEXICO. MOVEMENT WAS
NORTHEAST AT 30 MPH WITH ONE THUNDERSTORM APPROACHING THE RIVER NEAR
HIDALGO.

VERY HEAVY RAIN... HAIL AND BRIEF GUSTY WINDS ARE POSSIBLE FROM THESE
THUNDERSTORMS.
Special weather statement, Feb 4, 3:01 AM CST, 1 minute before
TXZ041>044-0409O0-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE BROWNSVILLE TX
230 AM CST TUE FEB 4 1992

... A TORNADO WATCH IS IN EFFECT FOR KENNEDY... WILLACY... HIDALGO AND
CAMERON COUNTIES UNTIL 300 AM...

...A SPECIAL MARINE WARNING IS IN EFFECT FOR THE COASTAL WATERS FROM
BAFFIN BAY TO EAST OF THE MOUTH OF THE ARROYO UNTIL 245 AM.

... A FLOOD WATCH IS IN EFFECT FOR SOUTH TEXAS..INCLUDING THE LOWER
RIO GRANDE VALLEY... THROUGH TONIGHT ...

AT 230 AM WEATHER RADAR INDICATED SCATTERED THUNDERSTORMS IN A 40 MILE
WIDE AREA EXTENDING FROM TH BAY ABOUT 35 MILES NORTHEAST OF RAYMONDVILLE
TO THE RIVER SOUTH OF WESLACO THEN SOUTH INTO MEXICO TO 50 MILES SOUTH
OF BROWNSVILLE.  MOVEMENT WASNORTHEAST AT 35 MPH.

VERY HEAVY RAIN... HAIL AND BRIEF GUSTY WINDS ARE POSSIBLE FROM THESE
THUNDERSTORMS.

OTHER SCATTERED THUNDERSTORMS WERE OVER OVER THE GULF WATERS OF SOUTH
TEXAS.  MOVEMENT WAS ALSO NORTHEAST AT 35 MPH).

The office that day

Everything else NWS Brownsville, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 3, 9:15 PM CSTSevere Thunderstorm WarningBROHidalgo60 min
Feb 3, 10:08 PM CSTSevere Thunderstorm WarningBROStarr67 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.