Area Forecast Discussion
Issued by NWS Houston/Galveston, TX

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000
FXUS64 KHGX 271221
AFDHGX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
621 AM CST FRI FEB 27 2015

.AVIATION...
BRISK NORTHEAST WINDS WITH MORNING MVFR CEILINGS LIFTING AND
REMAINING AT SCT-BKN VFR FROM LATE MORNING THROUGH THE REMAINDER
OF THE PERIOD. 31

&&

.PREV DISCUSSION... /ISSUED 430 AM CST FRI FEB 27 2015/

DISCUSSION...
BELOW NORMAL TEMPERATURES WILL CONTINUE ACROSS SOUTHEAST TEXAS FOR THE
NEXT TWO DAYS AS WE CLOSE OUT THE MONTH OF FEBRUARY. SURFACE HIGH PRESSURE
RIDGING INTO THE AREA FROM THE NORTH TODAY WILL KEEP COOL NORTH/NORTHEAST
WINDS IN PLACE. AS THE SURFACE HIGH MOVES OFF TO THE EAST OVER THE WEEKEND...
WINDS GRADUALLY COME AROUND TO THE EAST ON SATURDAY AND SOUTHEAST ON
SUNDAY. ALONG WITH THIS DEVELOPING ONSHORE FLOW WILL COME WARMING
TEMPERATURES...AN INCREASE IN MOISTURE LEVELS...AND A RETURN OF RAIN
INTO THE FORECAST AS WEAK DISTURBANCES EMBEDDED IN A SOUTHWEST FLOW
ALOFT RIDE ACROSS THE STATE. ENOUGH INSTABILITY IS EXPECTED TO BRING
SOME SHOWERS/THUNDERSTORMS INTO OUR AREA DURING THE FIRST HALF OF NEXT
WEEK...AND BY TUESDAY STRENGTHENING ONSHORE WINDS WILL KEEP LOW TEMPERATURES
BOTH TUESDAY AND WEDNESDAY MORNING IN THE LOW TO MID 60S WHICH ARE SOME
10 TO 15 DEGREES ABOVE NORMAL. IT STAYS ON THE WARM SIDE UNTIL THE NEXT
STRONG COLD FRONT MOVES ACROSS THE AREA ON WEDNESDAY. MODERATE/STRONG
NORTH WINDS BEHIND THIS FRONT WILL MAKE NEXT THURSDAY AND FRIDAY FEEL
LIKE WINTER AGAIN. 42

MARINE...
THE TIGHT OFFSHORE PRESSURE GRADIENT BETWEEN A LARGE CENTRAL U.S.
HIGH AND LOWER WESTERN GULF PRESSURE HAS STRENGTHENED NORTHEAST
WINDS. THE GRADIENT WILL REMAIN TIGHT AS THIS HIGH MOVES EAST INTO
THE MID ATLANTIC AND WEAK COASTAL TROUGHING DEVELOPS THROUGH THE
WEEKEND. ADVISORY LEVEL EASTERLIES WILL PERSIST THROUGH LATE
SATURDAY...WITH THIS FETCH PUSHING A LONG PERIOD SWELL UP TO OVER 9
FEET ACROSS THE OFFSHORE WATERS. TODAY AND TOMORROW`S HIGH EAST
WINDS WILL ALSO LIFT TIDAL LEVELS AND PRODUCE STRONGER RIP CURRENTS.
SLIGHTLY WEAKENED WINDS WILL VEER MORE ONSHORE SUNDAY AS AN EARLY
WEEK WARM FRONT COMES ASHORE. THIS WEAK WARM FRONT/NEAR COASTAL
TROUGH WILL INCREASE WEEKEND RAIN CHANCES. SOUTHERLIES WILL PICK UP
TUESDAY AHEAD OF A MID WEEK COLD FRONTAL PASSAGE. 31

&&

.PRELIMINARY POINT TEMPS/POPS...
COLLEGE STATION (CLL)      45  33  52  50  68 /  10  20  30  40  50
HOUSTON (IAH)              51  36  57  52  71 /  10  10  20  40  50
GALVESTON (GLS)            51  44  56  56  67 /  10  10  30  40  30

&&

.HGX WATCHES/WARNINGS/ADVISORIES...
TX...NONE.
GM...SMALL CRAFT ADVISORY FROM 6 PM THIS EVENING TO NOON CST SATURDAY
     FOR THE FOLLOWING ZONES: MATAGORDA BAY...WATERS FROM
     FREEPORT TO THE MATAGORDA SHIP CHANNEL OUT 20 NM...WATERS
     FROM HIGH ISLAND TO FREEPORT OUT 20 NM.

     SMALL CRAFT SHOULD EXERCISE CAUTION UNTIL 6 PM CST THIS EVENING
     FOR THE FOLLOWING ZONES: MATAGORDA BAY.

     SMALL CRAFT SHOULD EXERCISE CAUTION SATURDAY AFTERNOON FOR THE
     FOLLOWING ZONES: MATAGORDA BAY...WATERS FROM FREEPORT TO
     THE MATAGORDA SHIP CHANNEL OUT 20 NM...WATERS FROM HIGH
     ISLAND TO FREEPORT OUT 20 NM.

     SMALL CRAFT SHOULD EXERCISE CAUTION UNTIL 9 AM CST THIS MORNING
     FOR THE FOLLOWING ZONES: GALVESTON BAY.

     SMALL CRAFT SHOULD EXERCISE CAUTION FROM THIS EVENING THROUGH
     SATURDAY MORNING FOR THE FOLLOWING ZONES: GALVESTON BAY.

     SMALL CRAFT ADVISORY UNTIL 9 AM CST THIS MORNING FOR THE
     FOLLOWING ZONES: WATERS FROM FREEPORT TO THE MATAGORDA SHIP
     CHANNEL OUT 20 NM...WATERS FROM HIGH ISLAND TO FREEPORT OUT
     20 NM.

     SMALL CRAFT SHOULD EXERCISE CAUTION UNTIL 6 PM CST THIS EVENING
     FOR THE FOLLOWING ZONES: WATERS FROM FREEPORT TO THE
     MATAGORDA SHIP CHANNEL OUT 20 NM...WATERS FROM HIGH ISLAND
     TO FREEPORT OUT 20 NM.

     SMALL CRAFT ADVISORY UNTIL 6 PM CST SATURDAY FOR THE FOLLOWING
     ZONES: WATERS FROM FREEPORT TO THE MATAGORDA SHIP CHANNEL
     20 NM TO 60 NM...WATERS FROM HIGH ISLAND TO FREEPORT 20 TO
     60 NM.

&&

$$

DISCUSSION...42
AVIATION/MARINE...31



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