Area Forecast Discussion
Issued by NWS Houston/Galveston, TX

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000
FXUS64 KHGX 221805
AFDHGX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
105 PM CDT TUE JUL 22 2014


.AVIATION...
VISIBLE SATELLITE SHOWING A LOT OF SMOKE (FROM THE CANADIAN FOREST
FIRES IN THE NORTHWEST TERRITORIES) THAT HAS BEEN PULLED DOWN
INTO THE EASTERN U.S. TROUGH AND IS GETTING PULLED AROUND THE
UPPER LOW NEAR NEW ORLEANS AND ACROSS SETX...LEADING TO OUR MILKY
CU FILLED SKIES. SOME SMALL CONTRIBUTION MAY ALSO BE SAHARAN
DUST. SETX SHOULD CONTINUE THIS PATTERN OF ISOLATED SHRA/TSRA
MAINLY ALONG A TME-HOU-GLS LINE THIS AFTERNOON BETWEEN 20-00Z
WITH PERHAPS A FEW LINGERING SHOWERS BUT WILL HAVE TO OVERCOME THE
CAP. UPPER LOW CONTINUES TO DRIFT WEST AND A FEW OF THE HIGH RES
MESO MODELS INDICATE DEVELOPMENT OVER LA SPREADING WEST LATE THIS
AFTERNOON AND EVENING INTERACTING WITH THE SPEED MAX SQUEEZING
THROUGH BETWEEN THE HIGH TO THE WEST AND NEW ORLEANS LOW COMING
DOWN OVER THE SABINE RIVER VALLEY. SETX MAY FALL IN THE ENTRANCE
REGION WITH SOME SLIGHT LIFT LATE THIS AFTERNOON AND WEDNESDAY. AS
THE LOW SHIFTS WEST LL WINDS BECOME MORE N OR NE INTO THE LFK/UTS
AREAS BUT WILL BE LIGHT THOUGH POSSIBLY A FOCUS FOR SHRA/TSRA TO
CONGEAL WHEN INTERACTING WITH LAKE BREEZES. COVERAGE AND MOVEMENT
SHOULD SMALL ON BOTH ACCOUNTS. BRIEF PERIOD AROUND SUNRISE FOR
PATCHY 4-5SM FOG OR BKN020 CIGS. THEN VFR AGAIN TOMORROW BUT WITH
MORE HIGH CLOUDS.
45

&&

.PREV DISCUSSION... /ISSUED 1041 AM CDT TUE JUL 22 2014/

UPDATE...
ANOTHER HUMID START TO THE DAY ACROSS SOUTHEAST TEXAS WITH
DEWPOINTS IN THE MID TO UPPER 70S. TEMPERATURES ARE CURRENTLY IN
THE MID 80S...ALTHOUGH THEY ARE ONE TO TWO DEGREES COOLER THAN 24
HOURS AGO. SHOWERS ARE ONGOING ACROSS THE GULF OF MEXICO SOUTH OF
LOUISIANA AND EXTENDING WESTWARD INTO OUR OFFSHORE WATERS.
ADDITIONAL LIGHT SHOWERS ARE BEGINNING TO DEVELOP FROM NEAR PORT
ARTHUR AND NORTHWESTWARD TOWARD SHEPHERD AND CLEVELAND IN THE
VICINITY OF A WEAKENING SURFACE BOUNDARY. MESOSCALE MODELS ARE IN
GOOD AGREEMENT WITH THIS AREA FILLING IN WITH LIGHT RAIN THROUGH
THE LATE MORNING AND EARLY AFTERNOON HOURS. ADDITIONAL DEVELOPMENT
IS POSSIBLE ACROSS THE COASTAL COUNTIES THIS AFTERNOON AS THE
SEABREEZE BEGINS TO PUSH INLAND. ONLY CHANGES THIS MORNING WERE
SOME MINOR ADJUSTMENTS TO DEWPOINTS AND TO BRING HIGH TEMPERATURES
DOWN BY A DEGREE ACROSS MOST INLAND AREAS. 38/JB

&&

.PRELIMINARY POINT TEMPS/POPS...
COLLEGE STATION (CLL)      96  75  97  75  97 /  10  10  20  10  20
HOUSTON (IAH)              95  77  96  77  94 /  20  20  30  20  30
GALVESTON (GLS)            91  81  91  81  90 /  20  20  20  20  30

&&

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

$$

DISCUSSION...38
AVIATION/MARINE...45



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