Flash Flood Warning 8, NWS Brownsville, TX

Issued

Aug 23, 1999, 6:55 PM CDT (23:55 UTC)

Expired

Aug 23, 1999, 10:00 PM CDT

In force

3 hr

Issued by

NWS Brownsville, TX

Area

Whole counties

County Hidalgo County, TX

The Brownsville radar (KBRO), 93 km from the middle of the area, began a volume at 23:59 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 240003
FFWBRO
TXC215-240300-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
655 PM CDT MON AUG 23 1999

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  HIDALGO COUNTY IN TEXAS
  THIS INCLUDES THE CITIES OF...ALAMO...DONNA...EDCOUCH...EDINBURG...
  MCALLEN...MERCEDES...MISSION...PHARR...SAN JUAN...WESLACO...
  MCCOOK...SAN MANUEL

* UNTIL 1000 PM CDT

* AT 653 PM CDT...THE PUBLIC REPORTED THAT URBAN FLOODING WAS        
  OCCURING IN WESLACO DUE TO THE SEVERE THUNDERSTORMS THAT MOVED     
  THROUGH THE AREA EARLIER THIS EVENING.
  
  IN ADDITION...NATIONAL WEATHER SERVICE DOPPLER RADAR IN            
  BROWNSVILLE ALSO INDICATED THAT HEAVY RAIN PRODUCING THUNDERSTORMS 
  WERE MOVING SLOWLY OVER CENTRAL HIDALGO COUNTY FROM LA JOYA TO SAN 
  MANUEL.  THESE THUNDERSTORMS WERE MOVING NORTHEAST AT 15 TO 20 MPH 
  AND WILL AFFECT EDINBURG THROUGH 7 PM PRODUCING FLOODING...        
  ESPECIALLY IN LOCAL HIGHWAYS AND ROADWAYS.   

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 HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY
IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE. IF YOUR VEHICLE STALLS, ABANDON IT IMMEDIATELY AND SEEK
HIGHER GROUND.

TO REPORT FLOODING HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY 
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN 
BROWNSVILLE.

NWS Brownsville, TX wrote its last area forecast discussion before this flash flood warning went out at Aug 23, 2:45 PM CDT, 4 hours 10 minutes earlier.

DEEP SOUTH TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BROWNSVILLE TX
245 PM CDT MON AUG 23 1999

THE REMNANTS OF BRET IS MOVING NORTH OF LAREDO CAUSING SOME SHOWERS
AND THUNDERSTORMS NEAR THE WATERSHED.  JUST A FEW ISOLATED SHOWERS
DOTTED DEEP SOUTH TEXAS TODAY...THEREFORE WILL END THE FLASH FLOOD
WATCH LATER THIS AFTERNOON.  THE REMNANTS OF BRET IS PROGGED TO CONT
TO MOVE WEST-NORTHWEST AND DISSIPATE WITHIN THE NEXT 48 HOURS.  WILL
DECREASE POPS RAPIDLY IN THE NEXT FEW DAYS AS BOUNDARY LAYER RHS ARE
BELOW 50 PERCENT WITHIN THE NEXT 36 HOURS.  TEMPERATURES WILL
INCREASE AS CLOUD COVER WILL DECREASE AND WILL MAKE ADJUSTMENTS
ACCORDINGLY.  WINDS WILL BE FAIRLY LIGHT FROM THE SOUTHEAST FOR THE
NEXT FEW DAYS AS THE INFLUENCE OF BRET WILL NOT BE EFFECTING THE
AREA.  ALL MODELS SEEM TO BE IN AGREEMENT IN DECREASING MOISTURE
VERY RAPIDLY IN THE NEXT FEW DAYS.

CWF...BOY020 IS FROM THE EAST AT 6 KNOTS WITH SEAS GOING DOWN TO 4
FEET.  THIS SHOULD CONT FOR THE NEXT FEW DAYS CAUSING WINDS TO BE
BELOW SMALL CRAFT ADVISORY.

LONG TERM PROGS...THE AIRMASS CONT TO BE DRY AND STABLE FOR THE
EXTENDED PERIOD...ALTHOUGH A TROUGH OF LOW PRESSURE SETTLES OVER THE
WESTERN GULF.  DO NOT EXPECT ANY SHOWER ACTIVITY FOR THE NEXT FEW
DAYS AS HIGH PRESSURE RIDGES IN FROM NEW MEXICO.

55

.BRO...NONE.

.BRO  077/092/077/094/077  10/00/00/00
.MFE  075/094/076/098/076  10/00/00/00
.RGD  075/098/075/105/075  10/00/00/00
.SPI  078/088/080/090/080  10/00/00/00

Flash Flood Warnings in Texas, 1999Every flash flood warning in 1999

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.