Area Forecast Discussion
Issued by NWS Brownsville, TX

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000
FXUS64 KBRO 050809
AFDBRO

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BROWNSVILLE TX
309 AM CDT SUN JUL 5 2015

.SHORT TERM  /TODAY THROUGH MONDAY/...THE MOST RECENT KBRO UPPER
AIR SOUNDING INDICATED A PRECIPITABLE WATER CONTENT OF THE
ATMOSPHERIC COLUMN OF 1.84 INCHES. VERY ISOLATED STREAMER SHOWERS
ARE DEVELOPING OVER THE LOWER TEXAS COASTAL WATERS AND TAMAULIPAS
COASTAL WATERS RIGHT NOW...AND ENOUGH MOISTURE SHOULD REMAIN TO
ONCE AGAIN ALLOW ISOLATED CONVECTION OVER THE EASTERN PORTION OF
THE BRO CWFA AND ADJACENT COASTAL WATERS TODAY...WITH STREAMER
ACTIVITY OFFSHORE TONIGHT. WITH PRECIPITABLE WATER VALUES FALLING
TO NEAR 1.5 INCHES AND 500 MB HIGH PRESSURE CENTERED NEARBY...DRY
WEATHER IS LIKELY FOR MONDAY. THE LOW TEMPERATURE FOR SUNDAY NIGHT
WAS RETAINED...BUT HIGH TEMPERATURES FOR SUNDAY AND MONDAY WERE
ADJUSTED BY A DEGREE.

.LONG TERM /MONDAY NIGHT THROUGH SATURDAY/...THE WEATHER PATTERN
ACROSS THE AREA WILL BE CONTROL BY BROAD HIGH PRESSURE AND AN
INVERTED TROUGH OVER MEXICO EXTENDING INTO THE WESTERN GULF COAST
FOR THE EARLY PART OF THE LONG TERM. SURFACE HIGH ACROSS THE GULF
OF MEXICO INTERACTING WITH TROUGH OVER WESTERN TEXAS DEEPENS WILL
RESULT IN MODERATE SOUTHEAST WINDS DURING DAYTIME HOURS TUESDAY
AND WEDNESDAY. DRY MID LAYER WILL LIMIT THE POTENTIAL FOR RAIN
WITH MOSTLY CLEAR SKIES THROUGH MID WEEK. HIGH TEMPERATURES WILL
BE IN THE UPPER 90S AND NEAR 100S ACROSS THE WEST. BROAD UPPER
HIGH ACROSS THE SOUTHEAST BECOMES MORE ORGANIZED WHILE ANOTHER
WAVE MOVES INTO THE AREA FROM THE SOUTHERN GULF THURSDAY AFTERNOON
RESULTING IN A SLIGHT CHANCE OF SHOWERS MAINLY FOR THE LOWER
VALLEY THURSDAY AFTERNOON. DRY CONDITIONS RETURN FRIDAY AND THE
WEEKEND AS BROAD HIGH TAKES CONTROL MUCH OF THE SOUTHERN PLAINS.
SLIGHT INCREASE IN LOW LEVEL MOISTURE OVER THE GULF WILL MOVE
INLAND SATURDAY AFTERNOON.

.MARINE...BUOY 42020 REPORTED SOUTH-SOUTHEAST WINDS AROUND 14 KNOTS
GUSTING TO AROUND 16 KNOTS WITH SEAS SLIGHTLY OVER 3.5 FEET WITH A
PERIOD OF 6 SECONDS AT 02 CDT/07 UTC. SMALL CRAFT WILL NEED TO
EXERCISE CAUTION FOR ALL OR PORTIONS OF THE LOWER TEXAS COASTAL
WATERS THROUGH THE FORECAST PERIOD WITH HIGH PRESSURE OVER THE
GULF OF MEXICO INTERACTING WITH LOW PRESSURE OVER NORTHERN MEXICO.

BROAD HIGH PRESSURE WILL BE IN CONTROL FOR MOST OF THE LONG TERM
FORECAST. THE SOUTHEAST WINDS WILL BE MODERATE DURING THE DAY TIME
HOURS AND DECOUPLE OVERNIGHT TO LESS THAN 14 KNOTS. THE SEAS WILL
BE IN BETWEEN 3 TO 5 FEET EARLY IN THE PERIOD LOWERING TO 4 FEET
OR LESS BY THE END PART OF THE FORECAST AS THE GRADIENT RELAX MORE.

&&

.PRELIMINARY POINT TEMPS/POPS...
BAYVIEW/PORT ISABEL  90  79  90  78 /  20   0   0   0
BROWNSVILLE          91  79  92  79 /  20   0   0   0
HARLINGEN            93  78  93  78 /  20   0   0   0
MCALLEN              95  78  96  79 /   0   0   0   0
RIO GRANDE CITY      98  78  98  78 /   0   0   0   0
SOUTH PADRE ISLAND   87  80  87  79 /  20   0   0   0

&&

.BRO WATCHES/WARNINGS/ADVISORIES...
TX...NONE.
GM...NONE.
&&

$$

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