Flash Flood Warning 4, NWS Brownsville, TX

Issued

Sep 19, 1996, 5:09 AM CDT (10:09 UTC)

Expired

Sep 19, 1996, 9:15 AM CDT

In force

4 hr

Issued by

NWS Brownsville, TX

Area

Whole counties

Counties Jim Hogg County, TX, Starr County, TX, Zapata County, TX

The Corpus Christi radar (KCRP), 168 km from the middle of the area, began a volume at 10:10 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.

000 
TTAA00 KBRO 191012
FFWBRO
TXC247-427-505-191415-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
509 AM CDT THU SEP 19 1996
 
THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  915 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...S...
 
IN SOUTH TEXAS
 
   ...WESTERN JIM-HOGG COUNTY...WESTERN STARR COUNTY
   ...EASTERN ZAPATA COUNTY
 
THE FLASH FLOOD WARNING REMAINS IN EFFECT FOR EASTERN ZAPATA AND WESTERN
JIM HOGG COUNTIES AND HAS BEEN EXTENDED INTO WESTERN STARR COUNTY. THE
THUNDERSTORMS PRODUCING THE TORRENTIAL RAINS HAVE BEEN DRIFTING TO THE
SOUTHEAST AND ARE NOW IN NORTHWESTERN STARR COUNTY. ADDITIONAL STORMS
WITH VERY HEAVY RAIN ARE DEVELOPING JUST WEST OF FALCON DAM AND WILL BE
MOVING ACROSS SOUTHERN ZAPATA COUNTY AND WESTERN STARR COUNTY DURING THE
NEXT COUPLE OF HOURS.
 
RAINFALL RATES CONTINUE AT NEAR 5 INCHES PER HOUR WITH RAIN TOTALS SO
FAR EXCEEDING 10 INCHES SINCE YESTERDAY EVENING. LOW LYING AREAS IN
THESE COUNTIES WILL FLOOD EASILY AS WILL CREEKS AND ARROYOS. THE LOS
OLMOS CREEK IN STARR COUNTY WILL BE VULNERABLE TO FLOODING AS WATER
FROM THE NORTH FLOWS DOWN THROUGH THE CREEK TOWARD RIO GRANDE CITY.
 
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASH FLOODS.  IF FLASH FLOODING IS
OBSERVED...ACT QUICKLY.  MOVE UP TO ESCAPE FLOOD WATERS.  DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT.  MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.  DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS
THE ROADWAY.  NEVER TRY TO CROSS A FLOWIbNG STREAM...EVEN A SMALL
ONE...ON FOOT.  TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.
 
 
 
&

NWS Brownsville, TX wrote its last area forecast discussion before this flash flood warning went out at Sep 19, 2:43 AM CDT, 2 hours 26 minutes earlier.

DEEP SOUTH TEXAS WEATHER FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BROWNSVILLE TX
240 AM CDT THU SEP 19 1996

ETA ONLY MODEL WITH HANDLE ON SITUATION AS IT IS PANNING OUT NOW.
IT CONTS TO ACCUMULATE 3/4 INCH OF RAIN THRU 48 HRS WHILE NGM PRECIP
IS NEGLIGIBLE AND ITS FWC POPS ONLY NR 10 PCT. LOTS OF ACTVTY ON 88D
SCOPE CURRENTLY...AN INDCTN OF VORT MAX BEING EFFECTIVE WX PRODUCER.
STG STORMS IN WRN VALLEY DUMPED 8+ INCHES OF RAIN IN ZAPATA COUNTY
WITH 4 INCHES OF THAT DURG EVE AND ANOTHER 4 INCHES IN PAST HOUR...
OVR ERN ZAPATA S OF HIWAY 16...MSTLY UNPOPULATED AREA. WILL CNSDR A
FLASH FLOOD WRNG DUE TO THIS RADAR RAIN ESTIMATE. SATL LOOP CONTS TO
SHOW CNVCTN FIRING FROM MEXICO UP TO E TX ALONG THIS ELONGATED POS
VORT AREA. POPS SHUD BE RAISED TO AT LEAST 40 PCT TDA ACRS DEEP S TX.
MUCH OF VORT MAX TO MOVE E OF HERE ON FRI SO POPS CAN BE LOWERED TO
20 PCT THEN. WILL LOWER MAX TEMPS A SHADE FROM FWC WHILE MINS WILL
STAY ABOVE FWC VALUES EXCPT IN RAIN-COOLED AREAS. FNT STILL NOT EXPCTD
TO RCH VALLEY...LKLY WILL WASH OUT IN S CNTRL TX AS SFC HI OVR ROCKIES
WEAKENS AND UPR TROF NOT HAVING ENUF SWD EXTENTION TO GIVE SUPPORT
FOR FROPA.                    57

SUGGESTED NUMBERS:

BRO EB  091/078 092/078 092  40/20/20/10
MFE EB  093/078 095/078 095  40/20/20/10
RGC EB  095/078 097/078 097  40/20/20/10
SPI EB  088/080 089/080 089  40/20/20/10

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

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.