Alert archive / Texas / Flash Flood Warnings in 1993

Flash Flood Warning 3, NWS Brownsville, TX

June 20, 1993Willacy County, Texas

NWS Brownsville, TX issued this flash flood warning at Jun 20, 1993, 6:10 PM CDT for Willacy County, Texas. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jun 20, 1993, 6:10 PM CDT (23:10 UTC)
Expired
Jun 20, 1993, 9:15 PM CDT
In force
3 hr
Issued by
NWS Brownsville, TX
Area
Whole counties

County Willacy County, TX

The nearest sounding before it

Brownsville Intl, TX (KBRO), launched 12:00Z, 11.2 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 12:00Z on 1993-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 260 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 12:00Z on 1993-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -39 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
260 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
498 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
-39 m²/s²
0-3 km storm-relative helicity
-22 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 202309
FFWBRO
TXC489-210215-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
610 PM CDT SUN JUN 20 1993
 
THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL  915 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS......
 
IN SOUTH TEXAS
 
   ...WILLACY COUNTY
 
RAIN CONTINUES OVER CENTRAL AND NORTHWEST WILLACY COUNTY. WHILE THE
WATER LEVEL HAS BEEN RECEDING IN PARTS OF RAYMONDVILLE... WATER
CONTINUES DEEP ENOUGH TO FLOOD HOUSES IN NORTHEAST RAYMONDVILLE.
 
RADAR SHOWED THAT HEAVIER RAIN WAS MOVING SOUTHEAST TOWARD RAYMONDVILLE
AT 6 PM. THE HEAVIER RAIN SHOULD PRODUCE ADITIONAL FLOODING... AND AT
THE LEAST... WILL DELAY FLOOD RUNOFF.
 
MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES.  DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS
THE ROADWAY.  NEVER TRY TO CROSS A FLOWING STREAM...EVEN A
SMALL ONE...ON FOOT.
 
 
 
&

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, 12:35 PM CDT, 5 hours 35 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
AREA 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.
Special weather statement, Jun 20, 12:36 PM CDT, 5 hours 34 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...

AT 1225 PM A LARGE AREA OF RAIN AND ISOLATED THUNDERSTORMS... SOME WITH
HEAVY RAIN... WERE OVER SOUTH TEXAS SOUTH OF A LINE FROM BAFFIN
BAY TO HEBBRONVILLE TO RIO GRANDE CITY. THIS AREA CAN EXPECT 1 TO 2
INCHES OF RAIN AN HOUR.  MO:VMENT OF THIS AREA IS SOUTHEAST AT 5 MILES
AND HOUR.

OVER THE GULF WATERS...SCATTERED SHOWERS AND THUNDERSTORMS WERE
OFF SHORE FROM CORPUS CHRISTI TO LA PESCA IN MEXICO. MOVEMENT WAS
TO THE NORTH AT 10 MILES AN HOUR.
Special weather statement, Jun 20, 2:23 PM CDT, 3 hours 47 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, 2:19 PM CDTFlash Flood WarningBROWillacy116 min
Jun 20, 4:15 PM CDTFlash Flood WarningBROWillacy4 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.