Area Forecast Discussion
Issued by NWS Houston/Galveston, TX

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000
FXUS64 KHGX 170552
AFDHGX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
1152 PM CST TUE DEC 16 2014

.AVIATION...
MAIN AVIATION CONCERNS THROUGH THE TAF PERIOD CENTER AROUND VFR
CEILINGS LOWERING TO MVFR /POTENTIALLY IFR/ BY THE END OF THE
PERIOD...IN ADDITION TO FOG PRODUCING MINOR VISIBILITY
RESTRICTIONS OVERNIGHT THURSDAY.

SURFACE ANALYSIS AT 11 PM DEPICTED THE SURFACE TROUGH AXIS
STRETCHING THROUGH THE EASTERN HALF OF THE STATE...WITH LIGHT
NORTHERLY TO NORTHEASTERLY WINDS IN PLACE AT THE TERMINALS. THE
SURFACE RIDGE WILL CONTINUE TO SLIDE EAST THROUGHOUT THE TAF
PERIOD AND ALLOW WINDS TO BECOME MORE SOUTHEASTERLY. INCREASING
LOW LEVEL MOISTURE WILL PROMPT THE DEVELOPMENT OF VFR
CEILINGS AROUND 5-7KFT BY 11Z...WITH THE LEADING EDGE OF THIS
DECK PRESENTLY WEST OF THE BRAZOS RIVER. CONTINUED MOISTURE
ADVECTION WILL LEAD TO LOWERING CEILINGS THROUGHOUT THE DAY
THURSDAY...WITH MVFR CEILINGS IN PLACE AROUND 18/00Z. GUIDANCE
SUGGESTS THE POTENTIAL FOR IFR CEILING DEVELOPMENT BETWEEN 18/00Z
AND 18/06Z AND LATER SHIFTS WILL NEED TO MONITOR THIS TREND. FOR
NOW...WILL CONTINUE TO TREND CEILINGS TO LOW END MVFR.

RAIN SHOWERS WILL DEVELOP WEDNESDAY AFTERNOON IN RESPONSE A
PASSING SHORTWAVE TROUGH...EVIDENT ON EVENING WATER VAPOR IMAGERY
OVER NORTHERN MEXICO...IMPACTING PRIMARILY COLLEGE STATION BY
WEDNESDAY EVENING. ACTIVITY WILL CONTINUE TO MOVE TOWARDS THE
SOUTHEAST OVERNIGHT THURSDAY...WITH AREAS OF ALSO FOG PRODUCING
MINOR VISIBILITY RESTRICTIONS.

HUFFMAN

&&

.PRELIMINARY POINT TEMPS/POPS...
COLLEGE STATION (CLL)      43  54  52  65  57 /   0  40  50  30  80
HOUSTON (IAH)              44  59  55  70  60 /   0  20  50  50  60
GALVESTON (GLS)            53  62  61  69  63 /   0  20  40  40  50

&&

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

$$


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