FXUS64 KHGX 250933
AFDHGX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
333 AM CST FRI DEC 25 2009
.DISCUSSION...
MERRY CHRISTMAS FROM YOUR MIDNIGHT CREW AT HGX!
WINDS ARE SLOWLY COMING DOWN EARLY THIS MORNING AS YESTERDAY'S STORM
SYSTEM EDGES FURTHER OFF TO THE NORTHEAST. EXPECT THIS TREND TO CONTINUE
TODAY AS SURFACE HIGH PRESSURE BUILDS INTO THE AREA AND SETTLES OVERHEAD
BY SUNSET. IT WILL BE A COOL HOLIDAY FOR ALL OF SOUTHEAST TEXAS TODAY
WITH HIGHS ONLY IN THE UPPER 40S TO LOWER 50S. HIGH CLOUDS WILL CONTINUE
TO STREAM INTO THE AREA FROM THE WEST. THE NEXT IN THE SERIES OF EL
NINO INFLUENCED SOUTHERN STREAM DISTURBANCES AND ASSOCIATED WESTERN
GULF OF MEXICO SURFACE LOWS BEGINS TO ORGANIZE LATE TONIGHT AND EARLY
ON SATURDAY OFF THE DEEP SOUTH TEXAS GULF COAST. MOISTURE LEVELS AND
INSTABILITY INCREASES ACROSS AREAS MAINLY ALONG AND SOUTH OF THE I-10
CORRIDOR AND THE GULF WATERS ON SATURDAY RESULTING IN OUR NEXT SHOT
OF RAIN. THIS SYSTEM MOVES OFF TO THE EAST SATURDAY NIGHT BRINGING
US A DRY AND COOL SUNDAY. SURFACE HIGH PRESSURE THEN BUILDS INTO
THE AREA THROUGH MONDAY BRING A CONTINUATION OF COLDISH NIGHTS AND
COOL DAYS. THE NEXT MID/UPPER LEVEL DISTURBANCE AND CORRESPONDING
GULF SURFACE LOW FORMATION COMES INTO THE PICTURE TUESDAY/WEDNESDAY
AND BRINGS ANOTHER CHANCE OF RAIN INTO THE FORECAST. THIS SYSTEM
EXITS OFF TO THE EAST LATE WEDNESDAY AND EARLY ON THURSDAY RESULTING
IN A COOL AND DRY LAST DAY OF 2009. 42
&&
.AVIATION...
SKIES HAVE CLEARED ACROSS THE REGION AND EXCEPT FOR SOME HIGH CLOUDS
MOVING INTO THE REGION FROM THE WEST TODAY SKIES WILL REMAIN CLEAR
FOR NEXT 24-30 HOURS. MAIN ISSUE WILL BE THE WINDS BUT THE WINDS
WILL ALSO BE DIMINISHING DURING THE TAF PERIOD AS RIDGE OF HIGH
PRESSURE TO OUR WEST MOVES EAST OVER SOUTHEAST TEXAS BY TONIGHT
ALLOWING WINDS TO DIMINISH AND BECOME LIGHT AND VARIABLE BY TONIGHT
ACROSS MOST OF THE AREA.
&&
.MARINE...
HAVE CANCELLED THE GALE WARNING FOR OFFSHORE WATERS AND ALSO CANCELLED
SCA FOR THE BAYS. SURFACE RIDGE OF HIGH PRESSURE WILL MOVE EAST AND
BE CENTERED OVER UPPER TEXAS COAST TONIGHT. SCA WILL LIKELY BE CANCELLED
FOR THIS AFTERNOON AS WINDS WILL CONTINUE TO DIMINISH ALONG WITH WAVE
HEIGHTS. A LOW PRESSURE AREA IN THE GULF WILL DEVELOP LATE SATURDAY
AND MOVE ENE INCREASING GRADIENT ALONG THE UPPER TEXAS COAST SATURDAY
NIGHT AND SUNDAY ALONG WITH CHANCE OF PRECIPITATION. A SECOND RIDGE
OF HIGH PRESSURE WILL BUILD INTO THE AREA FROM THE NORTH ON MONDAY
ALLOWING WINDS TO DECREASE AGAIN MONDAY AND TUESDAY. ON WEDNESDAY ANOTHER
COASTAL LOW PRESSURE AREA WILL DEVELOP AND MOVE NORTHEAST OFF THE TEXAS
COAST INCREASING THE WINDS AGAIN AND BRING YET ANOTHER CHANCE OF PRECIPITATION
TO THE COASTAL WATERS OF THE UPPER TEXAS COAST.
&&
.PRELIMINARY POINT TEMPS/POPS...
COLLEGE STATION (CLL) 51 28 52 31 54 / 0 10 20 20 0
HOUSTON (IAH) 51 31 53 35 56 / 0 10 30 30 10
GALVESTON (GLS) 51 39 54 44 57 / 0 10 50 50 10
&&
.HGX WATCHES/WARNINGS/ADVISORIES...
TX...NONE.
GM...SMALL CRAFT SHOULD EXERCISE CAUTION UNTIL NOON CST TODAY FOR THE
FOLLOWING ZONES: GALVESTON BAY...MATAGORDA BAY.
SMALL CRAFT ADVISORY UNTIL NOON CST TODAY FOR THE FOLLOWING
ZONES: 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.
&&
$$
DISCUSSION...42
AVIATION/MARINE...34
