Alert archive / Texas / Flash Flood Warnings in 1993

Flash Flood Warning 4, NWS Brownsville, TX

June 20, 1993Brooks County, Kenedy County, Texas

NWS Brownsville, TX issued this flash flood warning at Jun 20, 1993, 8:00 PM CDT for Brooks County, Kenedy County, Texas. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Jun 20, 1993, 8:00 PM CDT (01:00 UTC)
Expired
Jun 21, 1993, 12:00 AM CDT
In force
4 hr
Issued by
NWS Brownsville, TX
Area
Whole counties

Counties Brooks County, TX, Kenedy County, TX

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 1.0 hours before the alert went out and 102 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 1993-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 952 joules per kilogram.LCLEL10008507005003002001001 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 1993-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -37 square meters per square second.1939Sfc1 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
952 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
616 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
-37 m²/s²
0-3 km storm-relative helicity
-46 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 KBRO 210102
FFWBRO
TXC047-261-210500-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
800 PM CDT SUN JUN 20 1993
 
THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL MIDNIGHT CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH TEXAS
 
   ...EASTERN BROOKS COUNTY...KENEDY COUNTY
 
RADAR AND WEATHER SATELLITE IMAGES INDICATE THAT VERY HEAVY RAINFALL IS
OCCURRING IN EASTERN BROOKS COUNTY AND KENEDY COUNTY WITH ESTIMATED
RAINFALL AMOUNTS APPROACHING FIVE INCHES. THE RAINFALL IN KENEDY COUNTY
IS IN ADDITION TO SEVERAL INCHES OF RAIN ESTIMATED BY SATELLITE EARLIER
TODAY.
 
THE RAINFALL IS BEING PRODUCED BY TROPICAL DEPRESSION ARLENE. ARLENE IS
STATIONARY... AND THAT AREA OF HEAVY RAIN IS MOVING LITTLE. SO SEVERAL
INCHES OF ADDITIONAL RAINFALL IS POSSIBLE THIS EVENING.
 
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY.  THE WATER DEPTH MAY BE TOO rGREAT TO ALLOW YOUR CAR TO
CROSS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY.  MOVE TO HIGHER GROUND.

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, Jun 20, 2:23 PM CDT, 5 hours 37 minutes before
TXZ041>044-514-202000-
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1235 PM CDT SUN JUN 20 1993

...A FLOOD AND FLASH FLOOD WATCH IS IN EFFECT SUNDAY FOR ALL OF DEEP
   SOUTH TEXAS...
...A FLOOD WARNING IS IN EFFECT FOR WILLACY COUNTY UNTIL 415 PM TODAY...

PERSISTANT RAINFALL IN NORTHERN WILLACY COUNTY HAS CAUSED LOCAL FLOODING
IN DOWNTOWN RAYMONDVILLE AND THE NORTHSIDE OF RAYMONDVILLE.

AT 130 PM A LARGE AREA OF RAIN WITH ISOLATED THUNDERSTORMS HAS
PERSISTS OVER DEEP SOUTH TEXAS BETWEEN BAFFIN BAY.. HEBBRONVILLE..
AND SOUTH TO 15 MILES SOUTH OF THE RIO GRANDE RIVER BETWEEN FALCON
LAKE AND BROWNSVILLE.  THERE WAS LITTLE SIGNIFICANT MOVEMENT TO THIS
AR EA OF RAINFALL AND CONTINUED RAIN FALL IS EXPECTED TODAY.

ELSEWHERE ISOLATED SHOWERS AND LIGHT RAIN WERE OVER THE GULF AND MEXICO
BETWEEN CORPUS CHRISTI AND 130 MILES SOUTH AND SOUTHWEST OF BROWNSVILLE..
AND EXTENDING TO 100 MILES OFF SHORE.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 20, 9:09 PM CDTFlash Flood WarningBROWillacy3 hr
Jun 21, 3:23 AM CDTFlash Flood WarningBROHidalgo3 hr

Nearby

Flash Flood Warnings in Texas, 1993Every flash flood warning in 1993

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.