Area Forecast Discussion
Issued by NWS Houston/Galveston, TX

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000
FXUS64 KHGX 251140
AFDHGX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
640 AM CDT SAT OCT 25 2014

.DISCUSSION...
PLEASE SEE 12Z AVIATION DISCUSSION BELOW.

&&

.AVIATION...
NO MAJOR AVIATION CONCERNS OVER THE NEXT 24-36 HOURS. LATEST
OBSERVATIONS SHOW LOWERED...BUT STILL VFR...VISIBILITIES FROM
PATCHY FOG AT KCXO...KLBX..AND KSGR. WILL CONTINUE TO MONITOR
THESE TRENDS AND AMEND AS NECESSARY BUT BASED ON LATEST AMDAR
SOUNDINGS SHOWING A RELATIVELY DRY LOWER ATMOSPHERE AND SUNRISE
APPROACHING... CONFIDENCE IS NOT HIGH ENOUGH TO INTRODUCE MVFR AT
THIS TIME. OTHERWISE...VFR CONDITIONS WILL PREVAIL WITH LIGHT AND
VARIABLE WINDS CONTINUING THROUGH THE PERIOD COURTESY SURFACE HIGH
PRESSURE ALONG THE TEXAS COAST. PATCHY FOG POSSIBLE AGAIN SUNDAY
MORNING AROUND 12Z.

14

&&

.PREV DISCUSSION... /ISSUED 417 AM CDT SAT OCT 25 2014/

DISCUSSION...
CLEAR SKIES THIS MORNING WITH HIGH PRESSURE FROM SETX TO LA
KEEPING WINDS LIGHT. HIGH SHIFTS EASTWARD AND SHALLOW GULF
MOISTURE BEGINS TO SPREAD INTO THE COASTAL AREAS OVERNIGHT...MAY
LEAD TO SOME PATCHY FOG FOR SUNDAY MORNING. SOUTHERLY FLOW
INCREASES AS UPPER HIGH OVER THE 4 CORNERS MOVES QUICKLY EAST AND
IS OVERHEAD SUNDAY AFTERNOON. UPPER TROUGHING OVER THE WEST
MARCHES ON MONDAY AND WINDS OVER SETX INCREASE AS WELL AS THE
MOISTURE. MORE CLOUD COVER AND MORE CLOUDS MONDAY MORNING.
OVERNIGHT LOWS WILL BE ON THE INCREASE WITH THE INCREASED WAA BUT
AFTERNOON TEMPERATURES WILL REMAIN IN THE LOWER TO MID 80S.

RAIN CHANCES INCREASE ON TUESDAY WITH SLIGHT CHANCE FOR MAINLY
SHOWERS AS CAP MAY STILL BE STOUT. RAIN CHANCES INCREASE FURTHER
ON WEDNESDAY AND THURSDAY. PACIFIC HIGH MOVES OUT INTO THE
CENTRAL PLAINS WEDNESDAY MORNING AND WEAK COLD FRONT SAGS SOUTH
INTO E TX AND EVENTUALLY INTO SETX THU BUT CAA IS LACKING UNTIL
UPPER RIDGING AMPLIFIES OVER THE WEST AND CANADIAN HIGH PRESSURE
DROPS SOUTH TO REINFORCE THE FRONT WITH MUCH DRIER AIR ON
HALLOWEEN AND COOLER. RAIN CHANCES SHOULD PUSH SOUTH OF THE REGION
THURSDAY NIGHT WITH THE ARRIVAL OF THE COOLER AND DRIER AIR.
45

MARINE...
EARLY MORNING SURFACE ANALYSIS PLACED AN AREA OF SURFACE HIGH
PRESSURE ROUGHLY OVER THE TEXAS COAST INTO LOUISIANA. LIGHT
NORTHEASTERLY WINDS TODAY WILL SLOWLY START VEERING TO THE SOUTH
AS THIS SURFACE HIGH SLIDES FARTHER OVER THE GULF OF MEXICO LATE
TONIGHT INTO SUNDAY. SOUTHERLY ONSHORE FLOW WILL INCREASE LATE
SUNDAY INTO MONDAY WITH LEE SURFACE TROUGHING ON THE HIGH
PLAINS...AND AN SCEC MAY BE NEEDED MONDAY AND/OR TUESDAY. A COLD
FRONT WILL APPROACH THE COASTAL WATERS BY THURSDAY. STRONG HIGH
PRESSURE BUILDING INTO TEXAS IN THE WAKE OF THE FRONT WILL PRODUCE
STRONG WINDS OVER THE COASTAL WATERS NEXT WEEKEND.

14

&&

.PRELIMINARY POINT TEMPS/POPS...
COLLEGE STATION (CLL)      85  59  86  62  85 /   0   0   0   0  10
HOUSTON (IAH)              84  61  85  63  84 /   0   0   0   0  10
GALVESTON (GLS)            79  70  81  71  80 /   0   0   0   0  10

&&

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

$$



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