San Antonio, Texas

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Area Forecast Discussion
Issued by NWS Austin/San Antonio, TX

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000
FXUS64 KEWX 271431
AFDEWX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
931 AM CDT TUE OCT 27 2009

.DISCUSSION...
MADE SOME MINOR CHANGES TO THE TEMPERATURE AND WIND TRENDS...AND
REMOVED ALL CLOUD COVER FOR TODAY. OTHERWISE...THE CURRENT
FORECAST IS IN GOOD SHAPE.

&&

.PRELIMINARY POINT TEMPS/POPS...
AUSTIN CAMP MABRY 70 54 76 69 75 / - - 10 40 70
AUSTIN BERGSTROM INTL AIRPORT 71 50 76 69 75 / - - 10 40 70
NEW BRAUNFELS MUNI AIRPORT 71 51 77 69 77 / 0 - 10 40 60
BURNET MUNI AIRPORT 69 53 75 67 70 / - - 10 40 70
DEL RIO INTL AIRPORT 73 56 79 66 73 / 0 - 10 20 40
GEORGETOWN MUNI AIRPORT 71 53 75 69 74 / - - 10 40 70
HONDO MUNI AIRPORT 72 51 76 69 76 / 0 - 10 30 50
SAN MARCOS MUNI AIRPORT 71 51 76 69 76 / 0 - 10 40 60
LA GRANGE - FAYETTE REGIONAL 69 51 79 71 79 / - - 20 40 60
SAN ANTONIO INTL AIRPORT 71 54 76 69 77 / 0 - 10 40 60
STINSON MUNI AIRPORT 72 53 78 69 78 / 0 - 10 40 60

&&

.EWX WATCHES/WARNINGS/ADVISORIES...
NONE.
&&

$$

26/09

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Area Forecast Discussion
Issued by NWS Austin/San Antonio, TX

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000
FXUS64 KEWX 181143
AFDEWX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
543 AM CST WED NOV 18 2009

.AVIATION...
VFR CONDITIONS ARE EXPECTED THROUGH THE TAF PERIOD AS HIGH
PRESSURE PREVAILS. LIGHT AND VARIABLE SFC WINDS THIS MORNING WILL
SHIFT TO SE-RLY 5-10 KTS BY 16Z. WINDS WILL DECREASE TO NEAR 5 KTS
LATE IN THE TAF PERIOD.

&&

.PREV DISCUSSION... /ISSUED 433 AM CST WED NOV 18 2009/

DISCUSSION...
WEAK RIDGE ALOFT WILL CONTINUE TO EVOLVE TODAY IN WAKE OF THE
LOW OVER THE MS VALLEY THAT IS FORECAST TO DRIFT SLOWLY EAST
TODAY THROUGH THURSDAY. LIGHT S AND SE SFC WINDS ARE FORECAST
TO DEVELOP TODAY...AND THEN CONTINUE TONIGHT. MOISTURE RETURN
IS FORECAST BY CURRENT TRENDS AND FORECAST SOLUTIONS TO BE SLOW
AT FIRST LATE TODAY AND TONIGHT...AND THEN INCREASE MARKEDLY
DURING THE DAY ON THURSDAY...AS THE NEXT FALL RAIN MAKING WEATHER
SYSTEM DEVELOPS OVER THE SW U.S. SHOWED INCREASING CLOUDS ON
THURSDAY...AS RH INCREASES QUICKLY FROM 925 TO 700 HPA EAST OF
THE DEVELOPING FALL RAIN MAKING WEATHER SYSTEM OVER THE SW U.S.
INDICATED SLIGHT CHANCE OF SHOWERS OVER THE EAST PART OF
SOUTH CENTRAL TEXAS THURSDAY AFTERNOON.

AS THE 500 HPA TROF MOVES TO WEST TEXAS THURSDAY NIGHT...RAIN
CHANCES ARE EXPECTED TO INCREASE...AS ENOUGH INSTABILITY AND LIFT
FORM TO BRING A GOOD CHANCE OF RAIN FROM EITHER SHOWERS OR
THUNDERSTORMS. CONTINUED RAIN CHANCES FOR FRIDAY FROM SHOWERS OR
THUNDERSTORMS...AND THEN SHOWED DECREASING RAIN CHANCES FROM THE
WEST LATE FRIDAY THRU FRIDAY EVENING...AS THE AXIS OF THE 500 HPA
TROF MOVES EAST OF SOUTH CENTRAL TEXAS. THIS WILL OPEN THE WAY
TO DRIER WEATHER ON SATURDAY...AS WEAK RIDGE FORM ACROSS THE
REGION IN WAKE OF THE FALL RAIN MAKING WEATHER SYSTEM THAT WILL
MOVE TO THE EAST. SHOWED MOSTLY SUNNY CONDITIONS FOR SATURDAY.
BY SUNDAY...INDICATED PARTLY CLOUDY SKIES DEVELOPING IN ADVANCE
OF A FAST MOVING 700 TO 300 HPA TROF COMING ACROSS THE WESTERN
U.S. THIS TYPE OF PATTERN WILL CAUSE INCREASING CLOUDS SUNDAY
NIGHT AND MONDAY. SHOWED SLIGHT CHANCE OF SHOWERS OVER THE
EAST HALF OF SOUTH CENTRAL TEXAS FOR MONDAY...ASSOCIATED WITH
THIS FAST MOVING WEATHER SYSTEM. THE AXIS OF THIS 500 HPA TROF
IS FORECAST TO MOVE EAST OF SOUTH CENTRAL TEXAS LATE MONDAY
TO MONDAY EVENING. AS A RESULT SHOWED DECREASING RAIN CHANCES
RAPIDLY FROM THE WEST LATE MONDAY TO MONDAY EVENING...AS
DRIER CONDITIONS SPREAD ACROSS THE AREA FROM THE WEST AND
NORTHWEST. THIS WILL BRING MOSTLY SUNNY CONDITIONS ON
TUESDAY AND WEDNESDAY. AIR MASS SPREADING ACROSS SOUTH
CENTRAL TEXAS IN WAKE OF THIS 500 HPA TROF WILL BE COOLER
AND BRING COOL DAYTIME HIGHS AND COLD OVER NIGHT LOWS IN
THE EARLY TO MID PART OF NEXT WEEK.

IN THE MEANTIME WILL CONTINUE THE FREEZE WARNING THRU 9 AM
FOR THE FOLLOWING COUNTIES: BANDERA...BEXAR...BLANCO...
BURNET...COMAL...EDWARDS...GILLESPIE...HAYS...KEND ALL...
KERR...KINNEY...LLANO...MEDINA...REAL...TRAVIS...U VALDE...
VAL VERDE...AND WILLIAMSON. EXPECT MOSTLY SUNNY CONDITIONS
DURING THE DAY TODAY...WITH AFTERNOON HIGHS SLIGHTLY WARMER
THAN ON MONDAY...RISING TO THE MID 60S TO LOWER 70S.

&&

.PRELIMINARY POINT TEMPS/POPS...
AUSTIN CAMP MABRY 73 50 73 58 64 / 0 10 20 70 80
AUSTIN BERGSTROM INTL AIRPORT 73 45 73 59 64 / 0 10 20 70 80
NEW BRAUNFELS MUNI AIRPORT 73 49 73 58 64 / 0 10 20 70 80
BURNET MUNI AIRPORT 69 51 69 54 62 / 0 10 10 70 70
DEL RIO INTL AIRPORT 72 50 72 56 70 / 0 10 10 60 60
GEORGETOWN MUNI AIRPORT 72 48 73 56 63 / 0 10 20 70 80
HONDO MUNI AIRPORT 73 49 74 59 69 / 0 10 20 70 70
SAN MARCOS MUNI AIRPORT 73 49 73 58 64 / 0 10 20 70 80
LA GRANGE - FAYETTE REGIONAL 72 49 74 59 65 / 0 10 20 70 80
SAN ANTONIO INTL AIRPORT 73 51 73 59 67 / 0 10 20 70 80
STINSON MUNI AIRPORT 73 50 73 60 67 / 0 10 20 70 80

&&

.EWX WATCHES/WARNINGS/ADVISORIES...
FREEZE WARNING UNTIL 9 AM CST THIS MORNING FOR THE FOLLOWING
COUNTIES: BANDERA...BEXAR...BLANCO...BURNET...COMAL...EDWARD S...
GILLESPIE...HAYS...KENDALL...KERR...KINNEY...LLANO ...MEDINA...
REAL...TRAVIS...UVALDE...VAL VERDE...WILLIAMSON.

&&

$$

08/25

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Thank you Lord for some drought relief!