Area Forecast Discussion
Issued by NWS Houston/Galveston, TX

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000
FXUS64 KHGX 281945
AFDHGX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
245 PM CDT THU AUG 28 2014

.DISCUSSION...
DUE TO THE WEAK LOW PRESSURE SYSTEM TO THE SOUTH...DEEPENING
MOISTURE IS EXPECTED WHICH WILL BRING PERIODS OF THUNDERSTORMS ON
AND OFF THROUGH THE LABOR DAY WEEKEND. MODELS HAVE THE DEEPEST
MOISTURE ORGANIZING NEAR THE COAST OR OFF SHORE. ANY SHIFTING TO
THE WEST COULD RESULT IN THE POTENTIAL OF INLAND THUNDERSTORMS AND
POSSIBLE FLOODING. WPC HAS OUTLOOKED POTENTIAL EXCESSIVE RAINFALL
FOR FRIDAY NIGHT INTO SATURDAY FROM THE GALVESTON BAY AREA INTO
SOUTHWEST LOUISIANA. WE MIGHT NEED TO ADD LOCALLY HEAVY RAINFALL
INTO THE FORECAST IF THE UPCOMING MODEL RUNS CALL FOR IT. AS A
RESULT OF THE RAIN AND CLOUDS... TEMPS SHOULD NOT GET TOO HOT. AS
WE HEAD INTO EARLY NEXT WEEK... MODELS ARE SHOWING WEAK UPPER
LEVEL RIDGING WHICH WILL DRY MOST OF US OUT AND RAISE OUR TEMPS A
BIT. 42/99

&&

.MARINE...
MODERATE ONSHORE WINDS WILL CONTINUE TODAY AS A WEAK LOW PRESSURE
MOVES INLAND THIS EVENING. A CHANCE OF SHOWERS AND THUNDERSTORMS
WILL ALSO CONTINUE THROUGH THE WEEKEND AS UPPER LEVEL DISTURBANCES AND
MOISTURE LADEN AIR REMAINS IN PLACE. HAVE ISSUED A SCEC FOR THE
OFFSHORE ZONES THIS EVENING AS WINDS WILL TEMPORARILY PASS 15 KTS. ONSHORE
WINDS ARE EXPECTED THROUGH THE WEEKEND. 23

&&

.PREV DISCUSSION... /ISSUED 1128 AM CDT THU AUG 28 2014/

DISCUSSION...
SEE AVIATION FOR 18Z TAF ISSUANCE.

AVIATION...
ANOTHER DAY OF SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE ACROSS
THE TAF SITES THIS AFTERNOON. MOSTLY VFR CONDITIONS SHOULD PREVAIL EXCEPT
INSIDE SHOWERS AND THUNDERSTORMS WHERE VISIBILITIES COULD BE
SIGNIFICANTLY REDUCED. TOMORROW THERE APPEARS TO BE ANOTHER CHANCE
OF SHOWERS AND THUNDERSTORMS THANKS TO REMAINING UPPER LEVEL
ENERGY. HIGH RES TEXAS TECH WRF MODEL SHOWING PRETTY GOOD AREAL
COVERAGE TOMORROW THANKS TO HIGH PWAT AIR. FOR NOW VICINITY
SHOWERS AND THUNDERSTORMS APPEARS TO HAVE THIS COVERED. 23

&&

.PRELIMINARY POINT TEMPS/POPS...
COLLEGE STATION (CLL)      75  93  75  91  76 /  20  40  30  40  20
HOUSTON (IAH)              75  90  75  88  76 /  30  50  40  60  30
GALVESTON (GLS)            79  86  79  86  79 /  40  50  60  60  40

&&

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

$$

DISCUSSION...42/99
AVIATION/MARINE...23



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