Area Forecast Discussion
000
FXUS64 KEWX 231958
AFDEWX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
258 PM CDT WED MAY 23 2012
.DISCUSSION...
THE UPPER LEVEL RIDGE OVER NORTHEAST MEXICO WILL BUILD ACROSS
SOUTH CENTRAL TEXAS ON THURSDAY AND PERSIST INTO FRIDAY. THE
UPPER LEVEL HIGH WILL THEN MIGRATE EASTWARD BECOMING CENTERED
OVER THE MISSISSIPPI VALLEY BY SUNDAY. THE UPPER LEVEL RIDGE
WILL THEN BUILD BACK TO THE WEST EARLY NEXT WEEK ACROSS SOUTH
CENTRAL TEXAS. THIS UPPER LEVEL PATTERN WILL KEEP SOUTH CENTRAL
TEXAS WARM AND DRY. THE EXCEPTION WILL BE SATURDAY THRU MONDAY
WHEN ISOLATED AFTERNOON CONVECTION IS POSSIBLE ACROSS OUR
SOUTHERN TIER OF COUNTIES. THE WEAKENING OF THE RIDGE ALOFT
COMBINED WITH AFTERNOON HEATING AND LOW LEVEL CONVERGENCE
ALONG THE SEA-BREEZE BOUNDARY MAY BE ENOUGH TO TRIGGER ISOLATED
CONVECTION.
THE LOW-LEVEL FLOW WILL BE OFF THE GULF SO THE PATTERN OF LATE
NIGHT AND MORNING LOW CLOUDS CAN BE EXPECTED BEGINNING TONIGHT.
LOW CLOUDS MAY BE SLOW TO MIX OUT OVER THE BALCONES ESCARPMENT
THURSDAY AND FRIDAY DUE TO A STRONG CAPPING INVERSION ALOFT.
AFTERNOON HIGHS AND MORNING LOWS WILL RUN SLIGHTLY ABOVE NORMAL
THRU THIS FORECAST CYCLE.
&&
.FIRE WEATHER...
ELEVATED FIRE WEATHER CONDITIONS WILL BE POSSIBLE THURSDAY AFTERNOON
ACROSS PORTIONS OF THE EDWARDS PLATEAU. MINIMUM RELATIVE HUMIDITIES
WILL RAGE FROM 15 TO 25 PERCENT. 20-FOOT WINDS DURING THE AFTERNOON
WILL BE SOUTHERLY AT 5 TO 10 MPH.
&&
.PRELIMINARY POINT TEMPS/POPS...
AUSTIN CAMP MABRY 72 92 73 93 73 / 0 0 0 - -
AUSTIN BERGSTROM INTL AIRPORT 72 91 73 92 72 / 0 0 0 - -
NEW BRAUNFELS MUNI AIRPORT 70 91 70 91 70 / 0 0 0 - -
BURNET MUNI AIRPORT 71 92 72 92 71 / 0 0 0 - -
DEL RIO INTL AIRPORT 72 98 73 94 73 / 0 0 0 - -
GEORGETOWN MUNI AIRPORT 72 91 72 92 72 / 0 0 0 - -
HONDO MUNI AIRPORT 69 96 71 95 71 / 0 0 0 - -
SAN MARCOS MUNI AIRPORT 72 91 73 90 72 / 0 0 0 - -
LA GRANGE - FAYETTE REGIONAL 73 90 74 91 72 / - 0 - - -
SAN ANTONIO INTL AIRPORT 73 92 73 92 74 / 0 0 0 - -
STINSON MUNI AIRPORT 72 93 73 92 73 / 0 0 0 - -
&&
.EWX WATCHES/WARNINGS/ADVISORIES...
NONE.
&&
$$
MESOSCALE/AVIATION...02
SYNOPTIC/GRIDS...13
PUBLIC SERVICE/DATA COLLECTION...32