Flash Flood Warning 89, NWS Brownsville, TX

000 
WGUS74 KBRO 170140
FFSBRO

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
840 PM CDT MON JUL 16 2007

TXC427-170215-
STARR TX-
840 PM CDT MON JUL 16 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 915 PM CDT FOR
EASTERN STARR COUNTY...

AT 835 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A THUNDERSTORM PRODUCING FLASH FLOODING OVER THE WARNED
AREA.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LA GLORIA.

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

LAT...LON 2628 9860 2679 9834 2679 9884 2656 9884

$$

TOMASELLI

AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE BROWNSVILLE TX
300 PM CDT MON JUL 16 2007

.UPDATE...WITH PROXIMITY OF UPPER LEVEL LOW AND COPIOUS MOISTURE FFA
HAS BEEN EXTENDED THROUGH TUE EVENING.
&&

.PREV DISCUSSION...ISSUED AT 120 PM CDT MON JUL 16 2007...A FLASH
FLOOD WATCH CONTINUES ACROSS THE RIO GRANDE VALLEY THROUGH THIS
EVENING. AN UPPER LEVEL LOW PRESSURE SYSTEM AND TROUGH WHICH IS
LOCATED OVER THE WESTERN GULF OF MEXICO WILL MAINTAIN A CHANCE FOR
SHOWERS AND ISOLATED THUNDERSTORMS MOVING ACROSS PORTIONS OF THE CWA
AT TIMES THROUGH THE MIDDLE OF THIS WEEK. LOCALIZED HEAVY RAINFALL
OCCURRED OVER PORTIONS OF THE CWA LAST NIGHT AND THIS MORNING. THE
SHOWER ACTIVITY HAS BEEN ABSENT SINCE MID MORNING OVER DEEP SOUTH
TEXAS. THE SHOWERS AND THUNDERSTORMS CONTINUE OVER PORTIONS OF THE
GULF COASTAL WATERS. THE FLASH FLOOD WATCH IS LIKELY TO BE EXTENDED
INTO TUESDAY OVER ALL OF DEEP SOUTH TEXAS.

THE WINDS WILL REMAIN LIGHT TO LIGHT AND VARIABLE DURING THE
OVERNIGHT PERIODS AND LIGHT TO MODERATE DURING THE AFTERNOONS AND
EARLY EVENINGS FROM THE SOUTHEAST THROUGH THE MIDDLE OF NEXT WEEK AS
A HIGH PRESSURE RIDGE PERSISTS ACROSS THE NORTHERN GULF OF MEXICO.

ANY SHOWERS OR THUNDERSTORMS MAY PRODUCE FREQUENT LIGHTNING, GUSTY
WINDS AND LOCALIZED HEAVY RAINFALL. HEAVY RAINFALL MAY PRODUCE FLASH
FLOODING OF SMALL STREAMS, CREEKS, ARROYOS AND OTHER LOW LYING AREAS
AS WELL AS STREET FLOODING. MOTORISTS SHOULD EXERCISE CAUTION WHEN
DRIVING THROUGH AREAS EXPERIENCING LOCALIZED HEAVY RAINFALL. TURN
AROUND DONT DROWN.
&&

.MARINE...LIGHT TO MODERATE WINDS AND SEAS WILL CONTINUE OVER THE
LOWER TEXAS COASTAL WATERS THROUGH MID WEEK. A WEAK UPPER LEVEL
DISTURBANCE WILL KEEP THE CHANCES FOR SHOWERS AND THUNDERSTORMS IN
THE FORECAST THROUGH THE MIDDLE OF THE WEEK.  HIGH PRESSURE WILL
BUILD INTO THE AREA BY THE END OF THE WEEK  BRINGING A DRIER AND
MORE STABLE AIRMASS OVER DEEP SOUTH TEXAS FOR THE WEEKEND.
&&

.AVIATION...BRIEF MVFR CONDITIONS FROM 09-12Z TUESDAY.  CHANCES FOR
SHOWERS AND THUNDERSTORMS INCREASE IN THE AFTERNOON AND EVENING
HOURS ON TUESDAY.
&&

.PRELIMINARY POINT TEMPS/POPS...
BAYVIEW/PORT ISABEL  77  87  77  87  77 /  40  60  30  60  30
BROWNSVILLE          76  89  76  89  76 /  40  60  30  60  30
HARLINGEN            76  90  76  90  76 /  40  60  30  60  30
MCALLEN              76  92  76  92  76 /  40  60  30  60  30
RIO GRANDE CITY      76  92  76  92  76 /  40  60  30  60  30
SOUTH PADRE ISLAND   78  86  78  86  78 /  40  60  30  60  30
&&

.BRO WATCHES/WARNINGS/ADVISORIES...
FLASH FLOOD WATCH FOR ALL OF DEEP SOUTH TEXAS ZONES TXZ248>257
THROUGH TUESDAY EVENING.
&&

THIS PRODUCT IS ALSO AVAILABLE ON OUR INTERNET WEB PAGE AT:
HTTP://WWW.SRH.NOAA.GOV/BRO

55/66/VEGA

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BROWNSVILLE TX
327 PM CDT MON JUL 16 2007

TXZ248>257-171100-
ZAPATA-JIM HOGG-BROOKS-KENEDY-STARR-HIDALGO-INLAND WILLACY-
INLAND CAMERON-COASTAL WILLACY-COASTAL CAMERON-
327 PM CDT MON JUL 16 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR DEEP SOUTH TEXAS.

.DAY ONE...REST OF TODAY AND TONIGHT.

A FLASH FLOOD WATCH IS IN EFFECT FOR ALL OF THE RIO GRANDE VALLEY
THROUGH TUESDAY NIGHT. AN UPPER LEVEL LOW OVER THE WESTERN GULF
COMBINED WITH COPIOUS AMOUNTS OF MOISTURE IN THE ATMOSPHERE...WILL
INDUCE THUNDERSTORM DEVELOPMENT WITH HEAVY RAINFALL BY THROUGH THE
EVENING. IF YOU ENCOUNTER WATERS OF UNKNOWN DEPTH WHILE
DRIVING...TURN AROUND...DONT DROWN. ALSO...FACTOR IN THE LIKELIHOOD
OF PONDED ROADWAYS WHILE DRIVING AND SLOW DOWN. ALWAYS DRIVE
DEFENSIVELY DURING HAZARDOUS WEATHER.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

THE UPPER LEVEL LOW AND TROPICAL MOISTURE WILL REMAIN OVER THE
REGION AND A FLASH FLOOD WATCH IS IN EFFECT THROUGH TUESDAY EVENING.
THE THREAT OF LOCALLY HEAVY RAINS WILL CONTINUE ACROSS MOST OF DEEP
SOUTH TEXAS THROUGH THE MIDDLE OF THE WEEK. ALONG WITH THE HEAVY
RAIN POTENTIAL...ISOLATED STRONG TO SEVERE THUNDERSTORMS WILL BE
POSSIBLE OVER OUR REGION TUESDAY AND WEDNESDAY...WITH A TROPICAL
AIRMASS AND THE CHANCE FOR HEAVY RAINS CONTINUING THROUGH SUNDAY.
ALSO...A MODERATE RISK OF RIP CURRENTS IS POSSIBLE EACH DAY AT LOCAL
BEACHES WITH MARINE WARNING POSSIBLE AS STRONG THUNDERSTORMS MOVE
OVER OUR GULF WATERS.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION MAY BE NEEDED TODAY THROUGH
WEDNESDAY...AND POSSIBLY BEYOND THIS PERIOD.

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
318 PM CDT MON JUL 16 2007

TXZ248-162100-
ZAPATA TX-
318 PM CDT MON JUL 16 2007

...STRONG THUNDERSTORMS WERE AFFECTING PORTIONS OF ZAPATA COUNTY...

AT 313 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
STRONG THUNDERSTORMS OVER SOUTH CENTRAL ZAPATA COUNTY MOVING NORTH
AT 10 MPH.

SMALL HAIL AND GUSTY WINDS 40 TO 50 MPH MAY ACCOMPANY THIS STORM.

BC

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
359 PM CDT MON JUL 16 2007

TXZ248-162130-
ZAPATA TX-
359 PM CDT MON JUL 16 2007

...STRONG THUNDERSTORMS CONTINUE TO AFFECT PORTIONS OF ZAPATA
COUNTY...

AT 358 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED
TRACKING STRONG THUNDERSTORMS OVER CENTRAL ZAPATA COUNTY MOVING
NORTH AT 10 MPH.

SMALL HAIL AND GUSTY WINDS 40 TO 50 MPH ARE EXPECTED WITH THESE
STORMS.

BC