Alert archive / Texas / Flash Flood Warnings in 1992

Flash Flood Warning 2, NWS Brownsville, TX

May 31, 1992Cameron County, Texas

NWS Brownsville, TX issued this flash flood warning at May 31, 1992, 5:03 PM CDT for Cameron County, Texas. It was in force for 117 min.

The area

The counties it named.

The facts

Issued
May 31, 1992, 5:03 PM CDT (22:03 UTC)
Expired
May 31, 1992, 7:00 PM CDT
In force
117 min
Issued by
NWS Brownsville, TX
Area
Whole counties

County Cameron County, TX

The nearest sounding before it

Brownsville Intl, TX (KBRO), launched 12:00Z, 10.1 hours before the alert went out and 29 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 12:00Z on 1992-05-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 1992-05-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
NaN m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
57 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBRO 312206
FFWBRO
TXC061-010000-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
503 PM CDT SUN MAY 31 1992
 
THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL  700 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH TEXAS
 
   ...CAMERON COUNTY
 
AT 430 PM..RADAR INDICATED VERY HEAVY RAIN FROM NEAR HARLINGEN NORTH
TO NEAR SEBASTIAN EXTENDING EAST TO THE COAST. THE AREA APPEARED TO BE
DRIFTING SLOWLY SOUTH AND MAYBE A LITTLE EAST.
 
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY.  THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE
AcBANDONED QUICKLY.  MOVE TO HIGHER GROUND.
 
A FLOOD WARNING CONTINUES IN EFFECT FOR WILLACY COUNTY UNTIL 630 PM.

What forecasters said that day

The local office's own words before this flash flood 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 31, 1:53 PM CDT, 3 hours 10 minutes before
TXZ041>044-312000-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE BROWNSVILLE TX
150 PM CDT SUN MAY 31 1992

...STRONG THUNDERSTORMS CONTAINING VERY HEAVY RAIN BRING ADDITIONAL
RAIN TO SOUTH TEXAS...

AT 127 PM WIDELY SCATTERED THUNDERSTORMS CONTAINING VERY HEAVY RAIN
WERE LOCATED OVER SOUTH TEXAS BETWEEN BAFFIN BAY...MERCEDES..AND
PORT MANSFIELD.  MOVEMENT WAS NORTH AT 10 MILES AN HOUR.

THESE THUNDERSTORMS WILL PRODUCE PERIODS OF VERY HEAVY RAIN THAT WILL
REDUCE VISIBILITY AND COULD CAUSE FLOODING IN LOWER LYING AREAS.  WITH
THE GROUND ALREADY SATURATED IN MANY LOCATIONS...IT WOULD NOT TAKE MUCH
ADDITIONAL MOISTURE FOR FLOODING TO OCCUR.  FREQUENT DANGEROUS
LIGHTNING AND STRONG GUSTY WINDS MAY ALSO ACCOMPANY THESE STORMS.

NUMEROUS SHOWERS AND THUNDERSTORMS...SOME WITH VERY HEAVY RAIN...WERE
LOCATED OVER SOUTH TEXAS AND NORTHEAST MEXICO EAST OF A LINE FROM
HEBBRONVILLE...TO WESLACO...TO SAN FERNANDO MEXICO.  MOVEMENT WAS
GENERALLY NORTH AT 10 MILES AN HOUR.

SCATTERED SHOWERS AND THUNDERSTORMS...SOME WITH VERY HEAVY RAIN...
CONTINUED OVER THE GULF IN AN AREA EXTENDING 100 MILES OFF SHORE
BETWEEN PORT MANSFIELD...PORT ISABEL...AND LA PESCA.  MOVEMENT WAS
NORTH AT 10 MILES AN HOUR.
Special weather statement, May 31, 3:57 PM CDT, 1 hour 6 minutes before
TXZ041>044-312200-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE BROWNSVILLE TX
355 PM CDT SUN MAY 31 1992

...FLOOD WARNINGS ARE IN EFFECT FOR KENEDY AND WILLACY COUNTIES...

AT 333 PM..RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAIN FROM
NEAR SEBASTIAN IN WILLACY COUNTY EXTENDING NORTHEAST INTO KENEDY COUNTY
SOUTHEAST OF NORIAS. THE AREA WAS ALMOST STATIONARY.

OTHER THUNDERSTORMS WITH VERY HEAVY RAIN EXTENDED FROM NEAR KINGSVILLE
TO NEAR CORPUS CHRISTI ALSO STATIONARY. FLOODING RAIN OFTEN ACCOMPANIES
STATIONARY RAIN.

DANGEROUS LIGHTNING AND STRONG WIND IS ALSO POSSIBLE FROM THESE STORMS.
INTENSITY WILL PROBABLY DECREASE AFTER SUNSET.

A SHOWER WAS LOCATED ITN THE MCALLEN/REYNOSA AREA.

The office that day

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

IssuedProductOfficeCountiesLasted
May 31, 3:32 PM CDTFlash Flood WarningBROWillacy3 hr

Nearby

Flash Flood Warnings in Texas, 1992Every flash flood 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.