FXUS64 KEWX 142101
AFDEWX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
301 PM CST MON DEC 14 2009
.DISCUSSION...
THIS AFTERNOON MUCH OF SOUTH CENTRAL TEXAS REMAINED CLOUDY AS
MOISTURE REMAINED TRAPPED IN THE LOWER LEVELS OF THE ATMOSPHERE.
HOWEVER CLEARING HAS OCCURRED ACROSS THE EDWARDS PLATEAU AND
ALONG THE RIO GRANDE TOWARDS DEL RIO. ONCE THE SUN SETS EXPECT THE
LOW CLOUDS TO FILL IN ACROSS THE ABOVE MENTIONED REGIONS. AFTER
SUNSET THE FOG WILL THICKEN ONCE AGAIN WITH VSBYS APPROACHING
ONE-QUARTER MILE THIS EVENING AND EARLY TONIGHT ALONG AND EAST OF
THE I-35 CORRIDOR PRIOR TO THE FRONTAL PASSAGE. ONCE THE FRONT
MOVES THROUGH...THE FOG WILL DISSIPATE. ATTM THE COLD FRONT WAS
LOCATED OVER NORTH TEXAS MOVING SOUTHWARD AT 25 TO 30 MPH TOWARDS
THE HILL COUNTRY. THE COLD FRONT WILL ENTER THE HILL COUNTRY LATER
THIS EVENING...BEFORE MIDNIGHT. PRE-FRONTAL STREAMER SHOWERS WILL
OCCUR THIS EVENING WITH A BROKEN BAND OF SHOWERS AND ISOLATED
TSTMS EXPECTED ALONG AND BEHIND THE FRONT AS IT MOVES ACROSS SOUTH
CENTRAL TEXAS LATER TONIGHT INTO TUESDAY. GFS MOS GUIDANCE HAS
FINALLY COME INTO AGREEMENT WITH THE NAM MOS FOR HIGHS ON TUESDAY.
HIGHS ON TUESDAY WILL RANGE FROM THE UPPER 40S ACROSS THE HILL
COUNTRY TO MID 50S SOUTH AND SOUTHWEST.
POST FRONTAL RAIN WILL END FROM NORTH TO SOUTH TUESDAY AFTERNOON
HOWEVER OVERRUNNING CLOUDINESS WILL PERSIST FOR MUCH OF THE DAY.
SOME MIXING WILL OCCUR ACROSS THE HILL COUNTRY AND EDWARDS PLATEAU
LATE IN THE DAY WHICH WILL ALLOW FOR SKIES TO BECOME PARTLY CLOUDY.
THE UPPER LEVEL TROF TRAILING THE COLD FRONT WILL SLOWLY MOVE SOUTHEAST
THEN EAST ACROSS TEXAS TUESDAY NIGHT THROUGH THURSDAY. THIS FEATURE
WILL KEEP THE SOUTHERN HALF OF THE CWFA...SOUTH OF HIGHWAY 90...CLOUDY
TO MOSTLY CLOUDY WEDNESDAY AND THURSDAY. RAIN CHANCES WILL ALSO CONTINUE
MAINLY SOUTH OF HIGHWAY 90 THROUGH WEDNESDAY EVENING.
THE NEXT COLD FRONT IS EXPECTED ON FRIDAY. THIS IS EXPECTED TO BE
A DRY FROPA FOR SOUTH CENTRAL TEXAS. GFS MOS GUIDANCE ONCE AGAIN
IS SHOWING A WARM BIAS FOR HIGHS FRIDAY...SATURDAY AND SUNDAY.
WE WILL STAY WITH THE CURRENT TREND OF FORECASTING HIGHS 3 TO 6
DEGREES BELOW GFS MOS GUIDANCE.
&&
.PRELIMINARY POINT TEMPS/POPS...
AUSTIN CAMP MABRY 44 52 36 54 37 / 40 20 - - -
AUSTIN BERGSTROM INTL AIRPORT 44 52 34 53 34 / 50 30 10 - -
NEW BRAUNFELS MUNI AIRPORT 46 53 38 55 38 / 50 30 20 10 -
BURNET MUNI AIRPORT 41 50 34 52 34 / 20 10 - - -
DEL RIO INTL AIRPORT 46 57 40 58 41 / 10 10 10 - -
GEORGETOWN MUNI AIRPORT 40 50 35 53 37 / 30 20 - - -
HONDO MUNI AIRPORT 49 55 38 56 40 / 20 30 20 10 -
SAN MARCOS MUNI AIRPORT 46 53 36 54 38 / 50 30 10 10 -
LA GRANGE - FAYETTE REGIONAL 46 56 43 55 39 / 60 40 10 10 10
SAN ANTONIO INTL AIRPORT 47 54 39 55 40 / 50 30 20 10 -
STINSON MUNI AIRPORT 48 54 42 55 39 / 50 40 30 10 -
&&
.EWX WATCHES/WARNINGS/ADVISORIES...
NONE.
&&
$$
13/02
