Area Forecast Discussion Issued by NWS Austin/San Antonio, TX
000
FXUS64 KEWX 182027
AFDEWX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
327 PM CDT SAT MAY 18 2013
.SHORT TERM (TONIGHT THROUGH SUNDAY NIGHT)...
WEAK ELEVATED CONVECTION MOVING NEWD ACROSS S CENTRAL TX THIS
AFTERNOON...WITH THE HIGH CLOUDINESS FROM THE PACIFIC KEEPING
TEMPERATURES DOWN 5-10 DEGREES OVER THIS TIME FRIDAY. BROAD UPPER
TROUGH OVER THE WESTERN CONUS FOR THE NEXT SEVERAL DAYS WILL KEEP
A SWLY FLOW ALOFT ACROSS S TX. SERIES OF DISTURBANCES IN THE SWLY
FLOW WILL TRACK ACROSS W/SW TX ACROSS CENTRAL/NORTH TEXAS...SOUTH
TEXAS WILL REMAIN ON THE SRN EDGE OF MORE ORGANIZED CONVECTION.
THEREFORE ONLY EXPECT ISOLATED STORMS EACH LATE AFTERNOON AND
EVENING WITH HEATING OVER THE HIGHER TERRAIN OF THE HILL COUNTRY
AND ALONG THE DRY LINE OVER THE EDWARDS PLATEAU. OTHERWISE CONTINUED
UNSEASONABLY WARM SUNDAY...ALTHOUGH THE PACIFIC MOISTURE/CLOUDS
SHOULD HELP KEEP TEMPERATURES SHY OF RECORD HIGHS.
&&
.LONG TERM (MONDAY THROUGH SATURDAY)...
LITTLE CHANGE FOR MONDAY FROM SUNDAY. BY TUESDAY CHANCES FOR
CONVECTION INCREASE DUE TO AN UPPER TROUGH DROPPING INTO WEST TX
AND BRINGING A COLD FRONT INTO CENTRAL TEXAS TUESDAY AFTERNOON AND
EVENING. BOTH THE GFS AND ECMWF INDICATE SOME SPOTTY HEAVIER QPF
AMOUNTS WITH THE SYSTEM TUESDAY NIGHT/EARLY WEDNESDAY AS MID LEVEL
FLOW PARALLELS THE STALLING FRONTAL BOUNDARY. HOWEVER LOW LEVEL
MOISTURE IS FAIRLY SHALLOW SO EXPECTING AVERAGE QPF AMOUNTS TO BE
FAIRLY MEAGER AT A QUARTER INCH OR LESS. A FEW LINGERING
SHOWERS/STORMS ACROSS THE CENTRAL/EASTERN CWA WEDNESDAY WITH THE
LINGERING BOUNDARY IN THE AREA. HAVE CONTINUED THE DRYING TREND
FOR THU-FRI-SAT OF NEXT WEEK AS UPPER RIDGE BUILDS IN FROM THE
WEST AND PROBABILITY OF A FEW AIRMASS DAYTIME STORMS WILL BE TOO
LOW TO MENTION. HAVE TRENDED WITH HIGHER GUIDANCE TEMPERATURES
FOR LATE NEXT WEEK INTO THE WEEKEND GIVEN THE RIDGING ALOFT.
&&
.PRELIMINARY POINT TEMPS/POPS...
AUSTIN CAMP MABRY 72 93 72 94 72 / - 10 10 - 10
AUSTIN BERGSTROM INTL AIRPORT 70 92 70 94 70 / - 10 10 - 10
NEW BRAUNFELS MUNI AIRPORT 70 93 70 94 70 / - 10 10 - 10
BURNET MUNI AIRPORT 70 92 70 92 70 / - 10 10 - 20
DEL RIO INTL AIRPORT 74 100 74 102 75 / 20 10 10 - 20
GEORGETOWN MUNI AIRPORT 70 91 70 92 69 / - 10 10 - 10
HONDO MUNI AIRPORT 71 96 71 96 72 / 10 10 10 - 10
SAN MARCOS MUNI AIRPORT 71 91 71 91 71 / - 10 10 - 10
LA GRANGE - FAYETTE REGIONAL 72 92 72 93 75 / - 10 10 10 10
SAN ANTONIO INTL AIRPORT 73 94 73 94 74 / - 10 10 - 10
STINSON MUNI AIRPORT 73 94 73 94 73 / - 10 10 - 10
&&
.EWX WATCHES/WARNINGS/ADVISORIES...
NONE.
&&
$$
MESOSCALE/AVIATION...05
SYNOPTIC/GRIDS...01
PUBLIC SERVICE/DATA COLLECTION...32