FXUS64 KEWX 050533
AFDEWX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1133 PM CST FRI DEC 4 2009
.AVIATION...
VFR CONDITIONS ARE EXPECTED TONIGHT AND SATURDAY. CLEAR SKIES
TONIGHT WILL BE FOLLOWED BY SCATTERED CLOUDS AT AND ABOVE
10 THSD FT SATURDAY MORNING. INCREASING HIGH CLOUDINESS IS
EXPECTED SATURDAY AFTERNOON THROUGH SATURDAY EVENING...AS
CONDITIONS BECOME CIGS AT OR ABOVE 25 THSD FT BKN. ON
SATURDAY NIGHT INCREASING CLOUDS WILL CONTINUE...WITH
MVFR CIGS AND VSBYS POSSIBLE AFTER 3 AM EARLY SUNDAY MORNING
WITH CIGS FORMING AROUND 1 THSD TO 2 THSD OVC AND VSBYS
FALLING TO 4 TO 6 MILES IN FOG. LIGHT NORTH WINDS TONIGHT
WILL BECOME SOUTH AND SOUTHEAST AT 10 TO 15 KNOTS SATURDAY.
&&
.PREV DISCUSSION... /ISSUED 843 PM CST FRI DEC 4 2009/
UPDATE...
CLEARING SKIES.
DISCUSSION...
SKIES HAVE CLEARED RAPIDLY THIS EVENING AND HAVE ADJUSTED FORECAST
TO ACCOUNT FOR THIS. HAVE ALSO MADE MINOR ADJUSTMENTS IN TEMP AND
DEW POINT GRIDS TO ACCOUNT FOR HOURLY TRENDS...HOWEVER THESE
CHANGES WILL NOT AFFECT ZONE FORECASTS.
PREV DISCUSSION... /ISSUED 532 PM CST FRI DEC 4 2009/
AVIATION...
VFR CONDITIONS ARE EXPECTED TONIGHT AND SATURDAY. SKIES ARE EXPECTED
TO BECOME MOSTLY CLEAR TONIGHT FOLLOWED BY SCATTERED CLOUDS AT OR
ABOVE 25 THSD FT SATURDAY. NORTH WINDS LESS THAN 5 KNOTS TONIGHT
WILL BECOME S AND SE AT 10 TO 15 KNOTS SATURDAY.
PREV DISCUSSION... /ISSUED 347 PM CST FRI DEC 4 2009/
DISCUSSION...
THE LAST FEW SNOW FLURRIES ARE EXITING THE REGION WITH DRY AND
VERY COLD CONDITIONS SETTLING IN OVERNIGHT. NEAR FREEZING
TEMPERATURES HAVE PERSISTED ACROSS THE HILL COUNTRY AND ARE
EXPECTED ACROSS SOUTH CENTRAL TEXAS WITHIN A FEW HOURS AFTER
SUNSET. HAVE KEPT CURRENT FREEZE WARNING IN EFFECT FOR THE ENTIRE
CWA BEGINNING AT 6 PM AND ENDING AT 10 AM SATURDAY. PLEASE SEE
BELOW FOR RECORD LOW TEMPERATURES FOR DECEMBER 5TH. AFTER A COLD
START TO THE DAY...READINGS IN THE LOW 50S ARE EXPECTED BY THE
AFTERNOON.
A SLOW WARMING TREND WILL ENSUE OVER THE WEEKEND AND INTO EARLY
NEXT WEEK WITH AFTERNOON HIGHS REACHING THE MID 60S TO LOW 70S BY
TUESDAY. A SLUG OF MOISTURE WILL STREAM UP FROM THE GULF ON
SUNDAY. AN UPPER LEVEL DISTURBANCE WILL SKIRT THE AREA BRINGING A
SLIGHT CHANCE FOR RAIN ALONG AND SOUTHEAST OF THE I-35 CORRIDOR. A
WEAK FRONT WILL ENTER THE REGION ON MONDAY WITH NORTHERLY WINDS
AND CLOUDIER SKIES. SKIES WILL CLEAR OUT ON TUESDAY ALLOWING
SUNSHINE TO WARM TEMPERATURES INTO THE UPPER 60S TO LOWER 70S.
ANOTHER RAPID-MOVING UPPER LEVEL SYSTEM IS EXPECTED TO PUSH ACROSS
THE REGION MID-WEEK. MODEL GUIDANCE IS STILL HAVING DIFFICULTY
FIGURING OUT HOW FAR SOUTH AND HOW COLD TEMPERATURES WILL BE WITH
THIS SYSTEM. HAVE STAYED CLOSE TO THE PREVIOUS FORECAST PACKAGE
WITH SLIGHTLY BELOW NORMAL TEMPERATURES WEDNESDAY AFTERNOON
THROUGH THURSDAY NIGHT BEFORE TRENDING WARMER AS GULF AIR RETURNS
ON THURSDAY. LOW LEVEL MOISTURE WILL CONTINUE TO INCREASE LATE IN
THE WEEK WITH A SLIGHT CHANCE FOR SHOWERS MAINLY ACROSS THE
COASTAL PLAINS.
RECORD LOWS FOR DECEMBER 5TH...
AUSTIN CAMP MABRY...24 IN 1950
AUSTIN BERGSTROM....26 IN 2006
SAN ANTONIO.........17 IN 1886
DEL RIO.............28 IN 1945
&&
.PRELIMINARY POINT TEMPS/POPS...
AUSTIN CAMP MABRY 27 53 36 58 45 / 0 0 - 20 -
AUSTIN BERGSTROM INTL AIRPORT 20 51 34 57 38 / 0 0 - 20 -
NEW BRAUNFELS MUNI AIRPORT 22 54 36 61 39 / 0 0 - 20 -
BURNET MUNI AIRPORT 26 51 36 56 39 / 0 0 - 20 -
DEL RIO INTL AIRPORT 29 55 39 64 44 / 0 0 0 0 0
GEORGETOWN MUNI AIRPORT 26 51 37 54 42 / 0 0 - 20 -
HONDO MUNI AIRPORT 23 53 37 62 40 / 0 0 - - -
SAN MARCOS MUNI AIRPORT 22 52 39 57 43 / 0 0 - 20 -
LA GRANGE - FAYETTE REGIONAL 24 51 40 55 43 / - 0 20 40 -
SAN ANTONIO INTL AIRPORT 26 53 37 61 43 / 0 0 - 20 -
STINSON MUNI AIRPORT 24 54 38 62 44 / 0 0 - 20 -
&&
.EWX WATCHES/WARNINGS/ADVISORIES...
FREEZE WARNING UNTIL 10 AM CST SATURDAY FOR THE FOLLOWING COUNTIES:
ATASCOSA...BANDERA...BASTROP...BEXAR...BLANCO...BURNET...CALDWELL...
COMAL...DE WITT...DIMMIT...EDWARDS...FAYETTE...FRIO...GILLESPIE...
GONZALES...GUADALUPE...HAYS...KARNES...KENDALL...KERR...KINNEY...
LAVACA...LEE...LLANO...MAVERICK...MEDINA...REAL...TRAVIS...UVALDE...
VAL VERDE...WILLIAMSON...WILSON...ZAVALA.
&&
$$
05/08/25/11
