Severe Thunderstorm Warning 53, NWS Brownsville, TX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BROWNSVILLE TX
715 PM CDT SUN MAY 14 2006

.DISCUSSION...SEVERE THUNDERSTORM WATCH NUMBER 356 IS IN EFFECT OVER
ALL OF DEEP SOUTH TEXAS THROUGH 1 AM MONDAY MORNING. SHOWERS AND
THUNDERSTORMS WILL MOVE THROUGH THE RIO GRANDE VALLEY TONIGHT AND
MONDAY ASSOCIATED WITH A COLD FRONT WHICH WILL MOVE SOUTH OF THE CWA
MONDAY MORNING. SOME OF THE THUNDERSTORMS MAY BE SEVERE. THE
WINDS WILL SHIFT TO THE NORTH ONCE THE FRONT PASSES THE AREA.
TEMPERATURES WILL DECREASE BEHIND THE FRONT ON MONDAY TO SLIGHTLY
BELOW NORMAL VALUES FOR THIS TIME OF THE YEAR.  DRIER CONDITIONS
CLEAR TO PARTLY CLOUDY SKIES AND NEAR NORMAL TEMPERATURES WILL
PREVAIL OVER THE RIO GRANDE VALLEY TUESDAY THROUGH SATURDAY. UPDATED
THE GRIDS AND TEXT TO REFLECT THE SEVERE THUNDERSTORM WATCH.
&&

.MARINE...AT 6 PM BUOY020 REPORTED E WINDS AT 10 TO 15 KTS AND SEAS
NEAR 4 FEET. SMALL CRAFT ADVISORY WINDS OF AROUND 20 KNOTS WILL
CONTINUE OVER THE LAGUNA MADRE THRU MID EVENING. A COLD FRONT WILL
MOVE THROUGH THE COASTAL WATERS EARLY MONDAY...SHIFTING WINDS TO THE
NORTHEAST AT 20 TO 30 KNOTS BY LATE MORNING...AND BUILDING SEAS TO
10 FEET OFFSHORE. GALE FORCE GUSTS IN SCATTERED  THUNDERSTORMS WILL
BE POSSIBLE OVERNIGHT AND EARLY MONDAY...AHEAD OF THE FRONT. WINDS
WILL DECREASE AND VEER ONSHORE BY WEDNESDAY AS HIGH PRESSURE MOVES
EAST INTO THE NORTHERN GULF.
&&

.AVIATION...GUSTY SOUTHEAST WINDS WILL PERSIST THRU SUNSET OVER THE
COASTAL AREAS OF DEEP S TX. A COLD FRONT WILL MOVE THROUGH THE CWA
MONDAY MORNING WITH SCT SHRA/TSRA...WITH SOME POSSIBLY SEVERE.
AVIATION INTERESTS SHOULD MONITOR WEATHER CONDITIONS...PARTICULARLY
IN THE LOWER RIO GRANDE VALLEY...FROM LATE THIS EVENING THROUGH
MONDAY MORNING. MVFR TO IFR CIGS/VIS AND STRONG GUSTY NORTH WINDS
EXPECTED POST FRONT INTO EARLY TUESDAY MORNING.
&&

.BRO WATCHES/WARNINGS/ADVISORIES...
SCA GMZ135-155-175 FROM 15/09Z THROUGH 15/15Z.
SCA GMZ130-132-135-150-155-170-175 FROM 15/15Z THROUGH 16/06Z.
SCA GMZ150-155-170-175 FROM 16/06Z THROUGH 16/12Z.
&&

SYNOPTIC/GRIDS...63
MARINE/AVIATION...58
MESO...ABBOTT

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE BROWNSVILLE TX
710 PM CDT SUN MAY 14 2006

TXZ248>257-151100-
BROOKS-COASTAL CAMERON-COASTAL WILLACY-HIDALGO-INLAND CAMERON-
INLAND WILLACY-JIM HOGG-KENEDY-STARR-ZAPATA-
710 PM CDT SUN MAY 14 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR DEEP SOUTH TEXAS.

.DAY ONE...REMAINDER OF TONIGHT.

A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 100 AM MONDAY FOR ALL
OF THE RIO GRANDE VALLEY. LARGE HAIL AND DAMAGING WINDS ARE THE MAIN
THREAT WITH THESE STORMS...ALTHOUGH TORNADOS ARE POSSIBLE IN THIS
ENVIRONMENT. SMALL CRAFT ADVISORIES ARE POSTED FOR THE MARINE AREAS
OF DEEP SOUTH TEXAS...AS A COLD FRONT APPROACHES. SMALL CRAFT SHOULD
REMAIN IN PORT OVERNIGHT...AND REMAIN WEATHER ALERT...AS A
VOLATILE ATMOSPHERE IS IN PLACE AND THE LIFTING OF THIS AIR IS
LIKELY WITH THE APPROACH OF THE COLD FRONT.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

SCATTERED SEVERE THUNDERSTORMS ARE EXPECTED MONDAY MORNING AS A COLD
FRONT MAKES ITS WAY THROUGH DEEP SOUTH TEXAS. SMALL CRAFT ADVISORIES
ARE POSTED FOR STRONG WINDS AND BUILDING SEAS IN THE WAKE OF THE
FRONT.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION WILL BE NEEDED OVERNIGHT.

PHILO