Alert archive / Texas / Flash Flood Warnings in 1996

Flash Flood Warning 7, NWS Brownsville, TX

October 5, 1996Cameron County, Texas

NWS Brownsville, TX issued this flash flood warning at Oct 5, 1996, 6:48 AM CDT for Cameron County, Texas. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Oct 5, 1996, 6:48 AM CDT (11:48 UTC)
Expired
Oct 5, 1996, 12:45 PM CDT
In force
6 hr
Issued by
NWS Brownsville, TX
Area
Whole counties

County Cameron County, TX

The radar

The Brownsville radar (KBRO), 27 km from the middle of the area, began a volume at 11:47 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Brownsville Intl, TX (KBRO), launched 00:00Z, 11.8 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 00:00Z on 1996-10-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 51 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 1996-10-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 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
51 J/kg
Mixed-layer CIN
-75 J/kg
Mixed-layer LCL
710 m above ground
0-6 km bulk shear
3 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
50 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 051149
FFWBRO
TXC061-051745-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
648 AM CDT SAT OCT 5 1996
 
THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL 1245 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS......
 
IN SOUTH TEXAS
 
   ...CAMERON COUNTY
 
...THE FLOOD WARNING FOR CAMERON COUNTY IS BEING EXTENDED THROUGH 12
NOON TODAY...
 
MANY STREETS...ESPECIALLY IN THE BROWNSVILLE AREA...CONTINUE UNDER WATER
THIS MORNING. RAINFALL TOTALS OVER 9 INCHES ON FRIDAY AND ADDITIONAL
RAINS LATE LAST NIGHT HAVE CAUSED PONDING OF WATER IN THE USUAL PROBLEM
AREAS. SOME ROADS ARE CLOSED WITH OTHERS NEARLY IMPASSABLE. WATER IS
ESTIMATED AS HIGH AS 3 FEET ON SOME STREETS AND INTERSECTIONS.
ADDITIONAL HEAVY SHOWERS DURING THE DAY TODAY WILL JUST ADD TO THE
PROBLEM AND NOT ALLOW THE WATERS TO RECEDE.
 
 
 
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWA6Y.  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.

NWS Brownsville, TX wrote its last area forecast discussion before this flash flood warning went out at Oct 5, 3:08 AM CDT, 3 hours 40 minutes earlier.

Area forecast discussion, Oct 5, 3:08 AM CDT, 3 hours 40 minutes before
DEEP SOUTH TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BROWNSVILLE TX
300 AM CDT SAT OCT 5 1996

HEAVY RAIN EVENT CERTAINLY HAS MATERIALIZED AND IS NOT OVER YET BY A
LONG SHOT. OVER 9 INCHES OF RAIN AT BRO FRI HAS RESULTED IN WDSPRD
FLOODING OF CITY STREETS HERE AND EXPCT CONDS TO WORSEN BEFORE THEY
GET BETTER. AREAS FURTHER W AND N OF HERE ALSO LKLY TO EXPERIENCE
FLOOD PROBLEMS AS RAIN SHIELD HAS SPRD IN THOSE DIRECTIONS. AS RESULT
THE FLASH FLOOD WATCH NEEDS TO BE CONTD THRU TDA. FLOOD WRNG IN EFFECT
TIL 6 AM FOR CAMERON COUNTY LKLY WILL NEED TO BE EXTNDD FOR SVRL MORE
HRS AT LEAST. ROADS STILL CLOSED OR NRLY IMPASSABLE IN PARTS OF TOWN.
WHILE RAIN HAS ENDED FOR TIME BEING...MORE LOOMS TO E AND SE SO EXPCT
PDS OF HVY RAIN THRU TDA. TD10 RMNG STNRY SO UNTIL IT MAKES ITS MOVE
THE RAINY CONDS WILL PERSIST HERE. CSTL FLOOD WRNG ALSO WILL BE EXTNDD
AS WATER UP OVR DUNES AND ON TO HIGHWAY IN SPOTS. NO LETUP IN WNDS AND
SWELLS FOR A WHILE WITH TROP SYS SITTING THERE SO WATER WILL CONT TO
PILE UP ON BEACHES. FAN AND FWC POPS SIMILAR AND WILL STAY CLOSE TO
THOSE. FAN`S COOLER MAX TEMPS PREFERRED GIVEN THE OVC AND RAINY CONDS.
DON`T THINK WNDS WILL BE UP IN ADVISORY CRITERIA JUST YET AND WILL
HOLD THEM AT 15-20 AND GUSTY TDA. CUD BE STRONGER SUN IF TD
STRENGTHENS.        57

SUGGESTED NUMBERS:

BRO RR  078/069 078/069 082  80/70/70/60
MFE RR  080/068 080/068 084  80/70/70/60
RGC RR  082/067 082/067 085  80/70/70/60
SPI RR  078/072 078/072 080  80/70/70/60

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 5, 11:20 AM CDTFlash Flood WarningBROCameron10 hr
Oct 5, 3:14 PM CDTFlash Flood WarningBROCameron, Willacy10 hr

Nearby

Flash Flood Warnings in Texas, 1996Every flash flood warning in 1996

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; radar from the NEXRAD Level II archive.