Area Forecast Discussion
Issued by NWS Austin/San Antonio, TX

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FXUS64 KEWX 031934
AFDEWX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
234 PM CDT MON AUG 3 2015

.SHORT TERM (TONIGHT THROUGH TUESDAY NIGHT)...
DEEPER MOISTURE HAS BEGUN TO RETURN TO SOUTH CENTRAL TEXAS. PWS
NEAR 2 INCHES ALONG THE TEXAS COASTAL BEND HAVE NOT ALLOWED
DEWPOINTS TO MIX OUT AS EASILY AS THIS WEEKEND ACROSS OUR COUNTIES
NEAR THE COASTAL PLAINS. THE RESULT HAS BEEN SLIGHTLY ELEVATED
HEAT INDEX VALUES. A WEAK EASTERLY WAVE BRINGING THIS MOISTURE
WILL MOVE WEST ACROSS SOUTHERN TEXAS INTO MEXICO IN THE SHORT TERM
SPREADING THE DEEPER MOISTURE ACROSS MUCH OF SOUTH CENTRAL TEXAS
WITH PWS OF 1.5 NORTH TO 2 INCHES SOUTH. CANNOT RULE OUT ONE OR
TWO SHOWERS NEAR THE COASTAL PLAINS THIS AFTERNOON AND AGAIN
TUESDAY AFTERNOON ALONG THE SEABREEZE. CANNOT ALSO RULE OUT ONE OR
TWO SHOWERS OVER THE EDWARDS PLATEAU WHERE THERE IS SOME MOISTURE
POOLING THIS AFTERNOON. DEWPOINTS WILL HAVE A LITTLE MORE
DIFFICULTY MIXING OUT ACROSS MOST AREAS MAKING HEAT INDEX VALUES A
BIT ELEVATED FROM ACTUAL AIR TEMPERATURES TUESDAY AFTERNOON.

&&

.LONG TERM (WEDNESDAY THROUGH MONDAY)...
THE SUBTROPICAL RIDGE CENTERED OVER THE SOUTHWESTERN STATES AND
FAR NORTHERN MEXICO MID WEEK SHIFTS EAST INTO THE SOUTHERN PLAINS
LATE WEEK AND REMAINS OVER THE SOUTHERN PLAINS THROUGH MONDAY. A
SERIES OF UPPER LEVEL DISTURBANCES RIDING OVER THE TOP OF THE
RIDGE WILL MAINTAIN A MODERATE SOUTHEASTERLY LOWER FLOW AND SUPPLY
OF GULF OF MEXICO MOISTURE. EVEN THOUGH THE AIRMASS ALOFT DRIES
OUT...A STRONGER LOWER LEVEL INVERSION WILL NOT ALLOW DEWPOINTS TO
MIX OUT AS EASILY. ELEVATED HEAT INDEX VALUES TO AS HIGH AS 108
WHICH IS AT THE THRESHOLD OF HEAT ADVISORY CONDITIONS ARE POSSIBLE
ACROSS AREAS NEAR THE COASTAL PLAINS AND RIO GRANDE VALLEY. WILL
CONTINUE TO MENTION IN THE HWO. STRONG SUBSIDENCE AND BELOW NORMAL
MOISTURE LEVELS SHALL KEEP RAIN OUT OF THE FORECAST.

&&

.PRELIMINARY POINT TEMPS/POPS...
AUSTIN CAMP MABRY              76  99  77 100  77 /   0   0   0   0   0
AUSTIN BERGSTROM INTL AIRPORT  72  99  75  99  75 /   0   0   0   0   0
NEW BRAUNFELS MUNI AIRPORT     74  99  75 100  76 /   0   0   0   0   0
BURNET MUNI AIRPORT            74  98  75  98  75 /   0   0   0   0   0
DEL RIO INTL AIRPORT           77 101  78 101  78 /   0   0   0   0   0
GEORGETOWN MUNI AIRPORT        75  98  77  99  76 /   0   0   0   0   0
HONDO MUNI AIRPORT             73  98  75  98  75 /   0   0   0   0   0
SAN MARCOS MUNI AIRPORT        75  98  76  99  76 /   0   0   0   0   0
LA GRANGE - FAYETTE REGIONAL   75  98  76  98  77 /   0   0   0  -    0
SAN ANTONIO INTL AIRPORT       77  98  78  98  77 /   0   0   0   0   0
STINSON MUNI AIRPORT           76  99  77  99  76 /   0   0   0   0   0

&&

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

$$

MESOSCALE/AVIATION...10
SYNOPTIC/GRIDS...04
PUBLIC SERVICE/DATA COLLECTION...33


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