FXUS64 KEWX 252326
AFDEWX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
526 PM CST WED NOV 25 2009
.DISCUSSION...
SEE AVIATION FOR THE 00Z TAF DISCUSSION.
&&
.AVIATION...
VFR CONDITIONS WILL PREVAIL WITH INCREASING HIGH CLOUDS ASSOCIATED
WITH AN UPPER LEVEL LOW PRESSURE SYSTEM CURRENTLY LOCATED OVER THE
PACIFIC WEST OF BAJA CALIFORNIA. SFC WINDS OVERNIGHT WILL BE LIGHT
AND VARIABLE AS DECOUPLING OCCURS. SFC WINDS THURSDAY AFTERNOON
WILL BE NORTHEAST TO EAST AT THE I-35 TERMINALS...SOUTHEAST AT
KDRT. WIND SPEEDS WILL BE LESS THAN 10 KTS.
&&
.PREV DISCUSSION... /ISSUED 325 PM CST WED NOV 25 2009/
DISCUSSION...
A CIRRUS DECK WILL GRADUALLY WORK ITS WAY UP FROM THE VALLEY THIS
EVENING AND OVERNIGHT. HOWEVER THIS WILL NOT INHIBIT TEMPERATURES
FROM DIPPING BACK INTO THE UPPER 20S ACROSS THE HILL COUNTRY TO
THE MID AND UPPER 30S ACROSS THE REST OF THE REGION. THANKSGIVING
DAY WILL BE SIMILAR TO TODAY...WITH THE EXCEPTION OF A FEW MORE
CLOUDS DURING THE AFTERNOON. RETURN FLOW OFF THE GULF WILL ENABLE
A SLIGHT WARMING TREND THROUGH REST OF THE HOLIDAY WEEKEND. NOTICEABLY
WARMER TEMPERATURES ARE EXPECTED SATURDAY NIGHT AND SUNDAY MORNING
AS DEEPER MOISTURE KEEPS TEMPERATURES IN THE 50S TO NEAR 60. COULD
SEE A FEW STREAMER SHOWERS OVERNIGHT ACROSS THE EASTERN HALF OF
THE CWA LATE SATURDAY NIGHT/EARLY SUNDAY MORNING.
AN UPPER LEVEL TROUGH WILL SWEEP ACROSS THE GREAT PLAINS EARLY
NEXT WEEK. RAIN CHANCES WILL BEGIN TO INCREASE ON SUNDAY AND PEAK
ON MONDAY. THE BEST CHANCES FOR RAIN WILL GENERALLY BE ACROSS OUR
SOUTHERN COUNTIES WHERE MOISTURE DEPTH WILL BE GREATEST. THE COLD
FRONT IS EXPECTED TO PUSH ACROSS THE CWA ON MONDAY. WITH THE
COMBINATION OF THE COLD AIR ADVECTION AND RAIN CHANCES...AFTERNOON
TEMPERATURES WILL BE SUBDUED AND STRUGGLE TO REACH ABOVE THE MID
50S TO NEAR 60 (40S AND LOW 50S ACROSS THE HILL COUNTRY).
FREEZING TEMPERATURES WILL RETURN TO THE HILL COUNTRY TUESDAY
MORNING. GFS IS INDICATING SLIGHT CHANCES FOR RAIN WILL LINGER
THROUGH TUESDAY. COULD SEE A MIX OF RAIN AND LIGHT SLEET ACROSS
THE HILL COUNTRY AND EDWARDS PLATEAU FOR THE FIRST MORNING OF
DECEMBER. HAVE GONE AHEAD AND MENTIONED THIS CHANCE IN THE GRIDS.
CONFIDENCE IS MODERATE AT BEST AS THIS IS THE DAYS 6-7 TIME FRAME
AND THE TIMING OF THE ARRIVAL OF THE COLD AIR COULD BE PUSHED IN
EITHER DIRECTION BY A FEW HOURS AND/OR THE AIRMASS COULD DRY OUT
QUICKER THAN ANTICIPATED.
&&
.PRELIMINARY POINT TEMPS/POPS...
AUSTIN CAMP MABRY 39 67 45 70 51 / 0 0 0 - -
AUSTIN BERGSTROM INTL AIRPORT 34 68 36 69 46 / 0 0 0 - -
NEW BRAUNFELS MUNI AIRPORT 37 69 39 68 48 / 0 0 0 - -
BURNET MUNI AIRPORT 38 66 42 68 50 / 0 0 0 - -
DEL RIO INTL AIRPORT 39 68 43 67 49 / 0 0 0 - -
GEORGETOWN MUNI AIRPORT 39 66 43 69 51 / 0 0 0 - -
HONDO MUNI AIRPORT 35 67 41 69 50 / 0 0 0 - -
SAN MARCOS MUNI AIRPORT 38 67 41 68 47 / 0 0 0 - -
LA GRANGE - FAYETTE REGIONAL 40 66 39 67 50 / 0 0 0 - 10
SAN ANTONIO INTL AIRPORT 39 68 44 69 49 / 0 0 0 - -
STINSON MUNI AIRPORT 38 68 42 69 50 / 0 0 0 - -
&&
.EWX WATCHES/WARNINGS/ADVISORIES...
NONE.
&&
$$
04/13
