Area Forecast Discussion
Issued by NWS Houston/Galveston, TX

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000
FXUS64 KHGX 221211
AFDHGX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
611 AM CST MON DEC 22 2014

.DISCUSSION...
12Z AVIATION DISCUSSION BELOW.

&&

.AVIATION...
NORTHERN TERMINALS UNDER LIFR TO IFR...MORE SOUTHERN HUBS DEALING
WITH VARYING CATS FROM LIFR TO VFR. THUS...THERE WILL BE A FEW
HOURS WHERE CEILINGS WILL FLUCTUATE ACROSS ALL CATS BEFORE HIGHER
MID LEVEL WINDS FROM A PASSING LOW LEVEL JET (OVER NE TEXAS) MIXES
DRIER AIR DOWN AND AIDS IN LIFTING DECKS TO VFR BY 18-19Z. MID TO
HIGH LEVEL CLOUDS THIS AFTERNOON WITH A VARIABLE LIGHT WIND. AN
APPROACHING COLD FRONT...OR PRE-FRONTAL TROUGH...TUESDAY WILL
THICKEN EARLY DAY MVFR DECKS AND INTRODUCE PRECIPITATION CHANCES
(MAINLY SHRA) TO THE LATE PERIOD. 31

&&

.PREV DISCUSSION... /ISSUED 402 AM CST MON DEC 22 2014/

DISCUSSION...
AREAS OF FOG CAN BE FOUND ACROSS PARTS OF SOUTHEAST TEXAS EARLY THIS
MORNING WITH TEMPERATURES GENERALLY IN THE MID TO UPPER 50S. SOUTH
TO SOUTHWEST SURFACE WINDS TODAY WILL WARM TEMPERATURES INTO THE
UPPER 60S TO LOWER 70S AS SKIES BECOME PARTLY CLOUDY. A STRONG COLD
FRONT (AND POSSIBLE RAIN) IS STILL ON SCHEDULE TO MOVE THROUGH THE
AREA ON TUESDAY WITH FALLING TEMPERATURES AND BREEZY CONDITIONS
DEVELOPING BEHIND THE BOUNDARY (WIND ADVISORIES ARE NOT ANTICIPATED
AT THIS TIME). MODELS CONTINUE TO TREND A LITTLE COLDER BEHIND THIS
FRONT...AND INLAND LOW TEMPERATURES IN THE 30S WILL BE POSSIBLE ON
BOTH WEDNESDAY AND THURSDAY MORNING. HIGHS ON WEDNESDAY WILL BE IN
THE 50S. READINGS WILL WARM UP ON THURSDAY AND FRIDAY...THEN COOL
DOWN AGAIN OVER THE WEEKEND AFTER THE PASSAGE OF ANOTHER COLD FRONT
(AT THIS TIME IT LOOKS LIKE INLAND LOWS WILL BE IN THE 40S ON
SATURDAY AND IN THE 30S ON SUNDAY).  42

MARINE...
THE SURFACE PRESSURE FIELD OF RETREATING HIGH PRESSURE TO THE
NORTHEAST AND DEEPENING LOW PRESSURE WITHIN A DEVELOPING SOUTHERN
PLAINS STORM SYSTEM WILL HAVE TODAY`S STRENGTHENING MARITIME WINDS
VEERING FROM SOUTHEAST TO SOUTHWEST. THIS STORM SYSTEM`S COLD FRONT
WILL REACH THE MATAGORDA BAY REGION AROUND NOON TUESDAY...BE
COMPLETELY OFFSHORE BY LATE AFTERNOON. ADVISORY WINDS ARE LIKELY...
WITH OFFSHORE SEAS BUILDING TO OVER 10 FEET AND GUSTS TO
GALE...TUESDAY NIGHT THROUGH EARLY WEDNESDAY MORNING. SCA CONDITIONS
WILL PERSIST THROUGH A GOOD PART OF WEDNESDAY...WINDS AND SEAS WILL
BEGIN TO SETTLE DOWN GOING INTO THE EVENING HOURS AS SOUTHERN HIGH
PRESSURE PASSES OVER THE NORTH GULF INTO THURSDAY. 31

&&

.PRELIMINARY POINT TEMPS/POPS...
COLLEGE STATION (CLL)      71  52  57  37  53 /  10  10  30  10  10
HOUSTON (IAH)              73  57  61  40  54 /  10  10  30  10  10
GALVESTON (GLS)            73  62  65  46  54 /  10  10  30  10  10

&&

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

$$

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



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