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742
FXUS64 KEWX 301141
AFDEWX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
641 AM CDT SAT AUG 30 2014

.AVIATION... /ISSUED FOR 12Z TAFS/
DIURNAL CONVECTION IS EXPECTED TO BECOME MORE ISOLATED ALONG I-35
THIS AFTERNOON...SO TEMPO TSRA GROUPS WERE LEFT OUT OF THE 12Z
FORECASTS. WILL CONTINUE THE GENERAL TREND OF MVFR TO BORDERLINE
IFR CIGS BETWEEN THE HOURS OF 06Z AND 17Z ALONG I-35. A LIGHT WIND
FIELD IS EXPECTED TODAY EXCEPT FOR AREAS WHERE CONVECTIVE OUTFLOWS
OCCUR. WINDS SHOULD INCREASE AND TREND MORE SOUTHERLY FOR SUNDAY
MORNING.

&&

.PREV DISCUSSION... /ISSUED 358 AM CDT SAT AUG 30 2014/

SHORT TERM (TODAY THROUGH SUNDAY)...
LATEST SATELLITE IMAGES ARE SHOWING TWO CYCLONIC AREAS NEAR THE
TEXAS COAST. THE ONE LOCATED OVER THE LA/TX COAST WILL PUSH TO THE
NORTHEAST AS AN UPPER LEVEL TROUGH AXIS OVER THE SOUTHERN PLAINS
MOVES EASTWARD. THE OTHER CYCLONIC FEATURE WILL REMAIN ACROSS
SOUTHERN TEXAS FOR THE NEXT SEVERAL DAYS. RICH TROPICAL MOISTURE
WILL CONTINUE TO PUSH ACROSS THE AREA THROUGH THE WEEKEND WITH
CHANCES OF RAIN EXPECTED ALONG AND EAST OF INTERSTATE 35. WITH
PWATS NEAR 2 INCHES ACROSS THE SOUTHEASTERN COUNTIES...EXPECT
ISOLATED HEAVY AMOUNTS OF 1 TO 2 INCHES.

THIS ACTIVITY SHOULD COME TO AN END WITH THE LOSS OF HEATING EARLY
IN THE EVENING. LINGERING MOISTURE AND MARGINAL INSTABILITY COULD
RESULT IN SHOWERS AND THUNDERSTORMS SUNDAY AFTERNOON MAINLY EAST
OF INTERSTATE 35. HIGHS FOR THE WEEKEND ARE EXPECTED TO RANGE FROM
THE MID 90S ACROSS THE HILL COUNTRY TO THE UPPER 90S ACROSS THE
RIO GRANDE PLAINS.

LONG TERM (SUNDAY NIGHT THROUGH FRIDAY)...
FOR THE UPCOMING WEEK...THE SUBTROPICAL RIDGE WILL BUILD ACROSS
THE DESERT SOUTHWEST AND EXPAND EASTWARD THROUGH FRIDAY. A
WEAKNESS/INVERTED TROUGH BENEATH THE SUBTROPICAL RIDGE WILL
LINGER AROUND SOUTHERN TEXAS COAST THROUGH THE PERIOD.
WITH PWAT VALUES RETURNING TO AROUND 2 INCHES...WILL INCLUDE SLIGHT
CHANCES OF RAIN FOR MONDAY AND TUESDAY WITH LOW CHANCES OF RAIN
FOR THE REMAINDER OF THE WEEK MAINLY SOUTH OF HIGHWAY 90.

&&

.PRELIMINARY POINT TEMPS/POPS...
AUSTIN CAMP MABRY              97  76  95  77  98 /  20  10  20  10  10
AUSTIN BERGSTROM INTL AIRPORT  97  73  95  75  98 /  20  10  20  10  10
NEW BRAUNFELS MUNI AIRPORT     98  73  96  75  98 /  10  10  20  10  10
BURNET MUNI AIRPORT            96  73  94  75  96 /  20  10  10  -   10
DEL RIO INTL AIRPORT           99  77  98  77  99 /  10  -   10  -   -
GEORGETOWN MUNI AIRPORT        96  75  94  77  97 /  20  10  10  10  10
HONDO MUNI AIRPORT             98  71  96  73  98 /  10  10  10  10  -
SAN MARCOS MUNI AIRPORT        97  74  95  76  97 /  20  10  20  10  10
LA GRANGE - FAYETTE REGIONAL   94  75  95  76  96 /  30  10  30  10  20
SAN ANTONIO INTL AIRPORT       98  76  96  78  98 /  10  10  10  10  10
STINSON MUNI AIRPORT           98  75  97  77  99 /  10  10  10  10  10

&&

.EWX WATCHES/WARNINGS/ADVISORIES...
NONE.
&&

$$

MESOSCALE/AVIATION...18
SYNOPTIC/GRIDS...17







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