Area Forecast Discussion
Issued by NWS Houston/Galveston, TX

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000
FXUS64 KHGX 280325
AFDHGX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
925 PM CST SAT DEC 27 2014

.DISCUSSION...
THE COLD FRONT WAS MOVING THROUGH THE OFFSHORE WATERS AND WINDS
ALONG THE COASTAL COUNTIES WERE REACHING WIND ADVISORY CRITERIA AT
9 PM. WINDS OVER THE COASTAL WATERS WERE ALSO REACHING SMALL CRAFT
ADVISORY CRITERIA AS WELL.

THE 00Z CRP SOUNDING AND THE 00Z NAMBUFR FORECAST SOUNDINGS FOR
KGLS AND KHOU INDICATE THE POSSIBILITY OF ELEVATED CONVECTION.
ISOLATED THUNDERSTORMS WERE OCCURRING OVER SOUTH TEXAS AHEAD OF
THE SHORTWAVE TROUGH MOVING OUT OF NORTHERN MEXICO. THE NAM12 AND
THE FORECAST SOUNDINGS KEEP THE CHANCES FOR THUNDER MAINLY OVER
THE COASTAL COUNTIES AND WATERS THROUGH MOST OF THE NIGHT.

UPDATED TO ADD ISOLATED THUNDER TO THE COASTAL COUNTIES. UPDATE
ALSO TO ADD A WIND ADVISORY FOR
MATAGORDA...BRAZORIA...GALVESTON... AND CHAMBERS COUNTIES THROUGH
3 AM.

40

&&

.PREV DISCUSSION... /ISSUED 539 PM CST SAT DEC 27 2014/

AVIATION...
STRONG COLD FRONT HAS PUSHED THROUGH ALL SITES EARLY THIS EVENING
WITH GUSTY NORTH WINDS AND MOSTLY MVFR AND IFR CIGS. COULD SEE
VFR/MVFR CONDITIONS FOR A FEW HOURS...HOWEVER NEXT BATCH OF RAIN
AND LOWER CIGS WILL MOVE BACK INTO THE AREA FROM THE SOUTHWEST AND
LINGER THROUGH TONIGHT AND TOMORROW. CEILINGS AND VISIBILITIES AT
MVFR LEVELS ARE LIKELY...AND IFR LEVELS ARE QUITE POSSIBLE WELL
INTO THE DAY SUNDAY. RAIN WILL MOVE OUT OF THE AREA FROM WEST TO
EAST DURING THE LATE MORNING THROUGH AFTERNOON HOURS TOMORROW WITH
MVFR/VFR CONDITIONS ANTICIPATED TOMORROW NIGHT.

&&

.PRELIMINARY POINT TEMPS/POPS...
COLLEGE STATION (CLL)      41  51  35  61  40 /  40  50  10  10  10
HOUSTON (IAH)              43  50  37  60  41 /  70  80  20  10  10
GALVESTON (GLS)            48  52  43  57  49 /  60  80  20  10  10

&&

.HGX WATCHES/WARNINGS/ADVISORIES...
TX...WIND ADVISORY UNTIL 3 AM CST SUNDAY FOR THE FOLLOWING ZONES:
     BRAZORIA...CHAMBERS...GALVESTON...MATAGORDA.

GM...SMALL CRAFT ADVISORY UNTIL NOON CST SUNDAY FOR THE FOLLOWING
     ZONES: MATAGORDA BAY...WATERS FROM FREEPORT TO THE
     MATAGORDA SHIP CHANNEL 20 NM TO 60 NM...WATERS FROM
     FREEPORT TO THE MATAGORDA SHIP CHANNEL OUT 20 NM...WATERS
     FROM HIGH ISLAND TO FREEPORT 20 TO 60 NM...WATERS FROM HIGH
     ISLAND TO FREEPORT OUT 20 NM.

     SMALL CRAFT SHOULD EXERCISE CAUTION THROUGH SUNDAY MORNING FOR
     THE FOLLOWING ZONES: GALVESTON BAY.

&&

$$

DISCUSSION...40
AVIATION/MARINE...48



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