Alert archive / Texas / Flash Flood Warnings in 1993

Flash Flood Warning 2, NWS Brownsville, TX

June 20, 1993Willacy County, Texas

NWS Brownsville, TX issued this flash flood warning at Jun 20, 1993, 4:15 PM CDT for Willacy County, Texas. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Jun 20, 1993, 4:15 PM CDT (21:15 UTC)
Expired
Jun 20, 1993, 8:15 PM CDT
In force
4 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, 9.3 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 
WOUS00 KBRO 202114 RRA
FFWBRO
TXC489-210115-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
415 PM CDT SUN JUN 20 1993
 
THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  715 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS......
 
IN SOUTH TEXAS
 
   ...WILLACY COUNTY
 
TROPICAL DEPRESSION ARLENE HAS CAUSED CONTINUOUS RAIN OVER WILLACY
COUNTY TODAY. AND STREETS ARE FLOODED IN PARTS OF RAYMONDVILLE.
 
RADAR SHOWS THE RAIN AREA MOVING LITTLE... SO RAIN SHOULD CONTINUE
FOR SEVERAL HOURS... MAKING HOUSE FLOODING LIKELY... AT LEAST IN THE
LOWER SECTIONS OF TOWN. AND FLOODING IS POSSIBLE ELSEWHERE IN WILLACY
COUNTY... ESPECIALLY LYFORD AND SEBASTIAN.
 
A FLOOD AND FLASH FLOOD WATCH CONTINUES FOR THE REST OF DEEP SOUTH
TEXAS... INCLUDING THE LOWER VALLEY.
 
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
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, 11:08 AM CDT, 5 hours 7 minutes before
TXZ041>044-514-201900-
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1105 AM CDT SUN JUN 20 1993

...A FLOOD AND FLASH FLOOD WATCH IS IN EFFECT SUNDAY FOR ALL OF DEEP
SOUTH TEXAS...

AIR HERE IS OVER-LADEN WITH MOISTURE. TROPICAL DEPRESSION ARLENE NEAR
KINGSVILLE MAY BE THE MECHANISM TO RELEASE THE OVER-ABUNDANCE MAKING
IT INTO HEAVY RAIN. RAIN HAS ALREADY BEEN SIGNIFICANT OVER THE AREA.
IT HAS RAINED EVERYWHERE OVER THE AREA THE PAST 24 HOURS. AMOUNTS
AMOUNTS HAVE AVERAGED AROUND AN INCH. HEAVIEST WERE NEAR THE COAST.
PORT ISABEL HAD 3.66 INCHES. PORT MANSFIELD HAD 2.00 INCHES.

A TROPICAL DEPRESSION OFTEN BRINGS MORE RAIN THAN A HURRICANE. THE
POSSIBILITY BEARS CLOSE WATCH. AT 1025 AM RADAR INDICATED AN AREA OF
SHOWERS AND THUNDERSTORMS FROM NEAR BAFFIN BAY TO NEAR FALCON LAKE
MOVING TO THE SOUTHEAST. SOME OF THE RAIN WAS HEAVY. THERE HAVE LIKELY
BEEN 2 TO 3 INCHES OF RAIN OVER SOUTH KENEDY COUNTY THE PAST 4 HOURS.
IT IS RAIN CAUSED BY DEPRESSION ARLENE AND WAS MOVING DOWN THE SYSTEMS
WEST SIDE. KEEP CLOSE TABS ON THE WEATHER THIS AFTERNOON AND EVENING.
FLOODING COULD DEVELOP.

OTHER SHOWERS AND THUNDERSTORMS WERE LOCATED OVER GULF WATER`S ON
ARLENES EAST SIDE..MOVING TO THE NORTH.
Special weather statement, Jun 20, 11:48 AM CDT, 4 hours 27 minutes before
TXZ041>044-514-202000-
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1150 AM CDT SUN JUN 20 1993

...A FLOOD AND FLASH FLOOD WATCH IS IN EFFECT SUNDAY FOR ALL OF DEEP
SOUTH TEXAS...

AT 1125 AM A LARGE OF RAIN AND ISOLATED THUNDERSTORMS... SOME WITH
HEAVY RAIN WERE OVER SOUTH TEXAS SOUTHEAST OF A LINE FROM BAFFIN
BAY TO RIO GRANDE CITY. MOVEMENT WAS TO THE SOUTHEAST AT 10 MILES
AN 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.
WEST SIDE. KEEP CLOSE TABS ON THE WEATHER THIS AFTERNOON AND EVENING.
FLOODING COULD DEVELOP.

OTHER SHbOWERS AND THUNDERSTORMS WERE LOCATED OVER GULF WATERS ON
ARLENES EAST SIDE..MOVING TO THE NORTH.
Special weather statement, Jun 20, 11:50 AM CDT, 4 hours 25 minutes before
TXZ041>044-514-202000-
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1150 AM CDT SUN JUN 20 1993

...A FLOOD AND FLASH FLOOD WATCH IS IN EFFECT SUNDAY FOR ALL OF DEEP
SOUTH TEXAS...

AT 1125 AM A LARGE OF RAIN AND ISOLATED THUNDERSTORMS... SOME WITH
HEAVY RAIN WERE OVER SOUTH TEXAS SOUTHEAST OF A LINE FROM BAFFIN
BAY TO RIO GRANDE CITY. MOVEMENT WAS TO THE SOUTHEAST AT 10 MILES
AN 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.
WEST SIDE. KEEP CLOSE TABS ON THE WEATHER THIS AFTERNOON AND EVENING.
FLOODING COULD DEVELOP.

OTHER SHOWERS AND THUNDERSTORMS WERE LOCATED OVER GULF WATERS ON
ARLENES EAST SIDE..MOVING TO THE NORTH.
Special weather statement, Jun 20, 12:35 PM CDT, 3 hours 40 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, 3 hours 39 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, 1 hour 52 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, 6:10 PM CDTFlash Flood WarningBROWillacy3 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.