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

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FXUS64 KEWX 282055
AFDEWX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
255 PM CST SAT FEB 28 2015

.SHORT TERM (TONIGHT THROUGH SUNDAY NIGHT)...
UPPER AIR ANALYSIS THIS MORNING SHOWED AN EAST WEST ORIENTED
TROUGH OVER THE NORTHWEST STATES WITH NEARLY ZONAL FLOW ACROSS THE
SOUTHERN HALF OF THE COUNTRY. IN THE LOW LEVELS...ISENTROPIC FLOW
FROM THE SOUTH WAS MOVING OVER A COLD SURFACE LAYER WITH WIDESPREAD
DRIZZLE. MOIST AIR WAS TRAPPED BELOW AN 800MB-700MB INVERSION.
DURING THIS PERIOD THE TROUGH IN THE WEST WILL SWING DOWN ALONG
THE WEST COAST AND THIS WILL TURN THE FLOW OVER TEXAS TO THE
SOUTHWEST. ISENTROPIC UPGLIDE WILL CONTINUE OVER THE EASTERN HALF
OF THE AREA WITH DRIZZLE OR LIGHT RAIN POSSIBLE THROUGH THE
PERIOD. TEMPERATURES WILL WARM THROUGH THE PERIOD.

&&

.LONG TERM (MONDAY THROUGH SATURDAY)...
THE UPPER TROUGH IN THE WEST WILL SLOWLY DROP DOWN ALONG THE WEST
COAST THROUGH THE MIDDLE OF THE WEEK. ISENTROPIC LIFT WILL
CONTINUE TO PRODUCE CHANCES FOR LIGHT RAIN MONDAY AND TUESDAY.
WEDNESDAY A COLD FRONT WILL MOVE THROUGH THE AREA AND THIS WILL
BRING A CHANCE FOR THUNDERSTORMS. BEHIND THE FRONT COLD AIR WILL
SETTLE MOVE IN AND WE WILL HAVE ANOTHER CHANCE FOR WINTER WEATHER
WEDNESDAY NIGHT AND THURSDAY MORNING. THIS WILL BE OVER THE
NORTHEASTERN COUNTIES. HIGH PRESSURE WILL MOVE IN FOR THE END OF
THE WEEK BRINGING DRY WEATHER.

&&

.PRELIMINARY POINT TEMPS/POPS...
AUSTIN CAMP MABRY              37  54  45  57  54 /  40  20  40  30  30
AUSTIN BERGSTROM INTL AIRPORT  38  55  44  58  54 /  40  20  40  30  30
NEW BRAUNFELS MUNI AIRPORT     39  58  48  61  54 /  30  20  30  30  30
BURNET MUNI AIRPORT            32  52  41  52  53 /  20  20  40  30  40
DEL RIO INTL AIRPORT           39  64  50  66  55 /  10  10  20  20  20
GEORGETOWN MUNI AIRPORT        36  53  42  55  54 /  30  20  50  30  30
HONDO MUNI AIRPORT             41  61  50  64  53 /  20  20  20  30  30
SAN MARCOS MUNI AIRPORT        39  56  47  59  54 /  40  20  30  30  30
LA GRANGE - FAYETTE REGIONAL   44  60  51  62  61 /  60  30  30  40  20
SAN ANTONIO INTL AIRPORT       40  60  50  62  56 /  20  20  20  30  30
STINSON MUNI AIRPORT           41  61  51  63  56 /  20  20  20  30  30

&&

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

$$

MESOSCALE/AVIATION...76
SYNOPTIC/GRIDS...05
PUBLIC SERVICE/DATA COLLECTION...12




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