745
FXUS64 KEWX 042034
AFDEWX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
334 PM CDT SAT JUL 4 2009
DISCUSSION
THE HEAT ADVISORY ISSUED EARLIER THIS MORNING FOR A
LARGE PORTION OF SOUTH CENTRAL TEXAS ALONG AND EAST OF THE I-35
CORRIDOR AND OVER PORTIONS OF THE RIO GRANDE PLAINS..WILL BE
DISCONTINUED AFTER 7 PM THIS EVENING. FORECAST LOWS WILL REACH THE
LOW TO MID 70S WITH HEAT INDICES NEAR 105 TOMORROW AFTERNOON IN
THE ADVISORY AREA.. THUS CRITERIA FOR ISSUANCE WILL NOT BE
REACHED.
IMPULSES TRAVELING THROUGH THE EASTERN PERIPHERY OF THE SUBTROPICAL
RIDGE WILL HELP IN BREAKING DOWN THE RIDGE SOMEWHAT OVER SOUTH
CENTRAL TEXAS OVER THE NEXT SEVERAL DAYS. AT THE SAME TIME..A WEAK
BOUNDARY WILL LUMBER SOUTHWARD BEHIND THE DISTURBANCES ON SUNDAY..
PROVIDING FOCUS FOR MUCH NEEDED CONVECTION. THE BOUNDARY SHOULD LINGER
ACROSS THE AREA MONDAY INTO MONDAY NIGHT WITH SCATTERED SHOWERS AND
STORMS REDUCING DAYTIME HIGHS WITH INCREASED CLOUD COVER. ACTIVITY
WILL SHIFT INTO EASTERN PORTIONS OF THE CWA TUESDAY WHERE LOW LEVEL
CONVERGENCE BEST AND A WEAKER UPPER RIDGE PRESENT. THE UPPER RIDGE
WILL BEGIN STRENGTHENING FROM THE WEST AGAIN WEDNESDAY AND ASIDE
FROM AFTERNOON AND EARLY EVENING SEA BREEZE CONVECTION..ANOTHER DRY
AND HOTTER PERIOD WILL BEGIN. AN EASTERLY WAVE WILL UNDERCUT THE
WESTERN RIDGE LATE NEXT WEEK..COMING ONSHORE FRIDAY WITH INCREASING
CHANCES FROM EAST TO WEST LATE FRIDAY THROUGH SATURDAY.
PRELIMINARY POINT TEMPS/POPS
AUSTIN CAMP MABRY 77 99 76 96 76 / - 20 30 30 20
AUSTIN BERGSTROM INTL AIRPORT 76 99 75 96 72 / - 20 30 30 20
NEW BRAUNFELS MUNI AIRPORT 75 101 74 96 73 / - 10 20 20 20
BURNET MUNI AIRPORT 76 96 73 92 74 / - 30 30 30 20
DEL RIO INTL AIRPORT 77 101 79 98 78 / - 0 20 20 10
GEORGETOWN MUNI AIRPORT 76 95 73 94 75 / - 30 30 30 20
HONDO MUNI AIRPORT 74 99 75 96 74 / 0 0 20 20 20
SAN MARCOS MUNI AIRPORT 76 100 74 95 74 / - 10 30 30 20
LA GRANGE - FAYETTE REGIONAL 77 101 75 97 74 / - 10 30 30 20
SAN ANTONIO INTL AIRPORT 78 100 76 96 77 / - 0 20 20 20
STINSON MUNI AIRPORT 77 101 77 97 76 / 0 0 20 10 20
EWX WATCHES/WARNINGS/ADVISORIES
HEAT ADVISORY UNTIL 7 PM CDT THIS EVENING FOR THE FOLLOWING
COUNTIES: ATASCOSA...BASTROP...BEXAR...CALDWELL...COMAL...DE WITT...
DIMMIT...FAYETTE...FRIO...GONZALES...GUADALUPE...HAYS...KARNES...
LAVACA...LEE...MAVERICK...MEDINA...TRAVIS...UVALDE...WILLIAMSON...
WILSON...ZAVALA.
02/06
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