Area Forecast Discussion Issued by NWS Austin/San Antonio, TX
000
FXUS64 KEWX 222339
AFDEWX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
639 PM CDT WED MAY 22 2013
.AVIATION...
VFR CONDITIONS WILL PREVAIL THIS EVENING. A STEADY INFLUX OF GULF
MOISTURE WILL ENSURE THAT ANOTHER ROUND OF LOW STRATUS DEVELOPS
OVERNIGHT. CIGS COULD POTENTIALLY LOWER TO BORDERLINE MVFR/IFR
AROUND SUNRISE BUT HAVE KEPT MVFR FOR NOW AND WILL RE-ASSESS WITH
THE 06Z TAF ISSUANCE. MODEL GUIDANCE SUGGESTS PATCHY SHALLOW FOG
IN THE NEAR-DAYBREAK HOURS AT KAUS...AND COULD ALSO SEE REDUCTIONS
IN VSBYS DUE TO HAZE AT KSSF/KSAT AS SMOKE FROM FIRES ACROSS THE
YUCATAN PENINSULA DRIFTS INTO SOUTHERN TEXAS. CIGS WILL LIFT/BREAK
OUT TO VFR DURING THE LATE MORNING/EARLY AFTERNOON HOURS. SE-SLY
SFC WINDS AOB 10 KTS OVERNIGHT WILL INCREASE TO 12 TO 17 KTS
THURSDAY AFTERNOON.
&&
.PREV DISCUSSION... /ISSUED 301 PM CDT WED MAY 22 2013/
SHORT TERM (TONIGHT THROUGH THURSDAY NIGHT)...
MID TO UPPER LEVEL PATTERN IS PROGRESSING AS PREVIOUSLY
ANTICIPATED WITH TROUGH MOVING TO THE MISSISSIPPI VALLEY AND A
RIDGE MOVING ACROSS NM. THIS WILL CONTINUE THROUGH THE SHORT TERM
PERIOD WITH THE RIDGE BECOMING DOMINANT. AT THE SURFACE HIGH
PRESSURE IS CENTERED OVER THE CENTRAL GULF OF MEXICO AND THE LOW
LEVEL WINDS ARE BECOMING SOUTHEASTERLY. THIS WILL BRING GULF
MOISTURE BACK TO THE REGION QUICKLY. THIS WILL BE A DRY PATTERN
WITH WARMING TEMPERATURES.
LONG TERM (FRIDAY THROUGH WEDNESDAY)...
THERE WILL NOT BE MUCH CHANGE IN THE LONG TERM FORECAST. THE MID
TO UPPER LEVEL RIDGE WILL REMAIN IN PLACE THROUGH THE WEEKEND AND
EARLY NEXT WEEK. MODELS SHOW A SHORT WAVE TROUGH MOVING THROUGH
RIDGE FRIDAY WHICH WILL MEAN A SLIGHT CHANCE FOR THUNDERSTORMS
DEVELOPING OVER THE MEXICAN MOUNTAINS AND MOVING INTO OUR WESTERN
AREA. HAVE INCLUDED A SMALL AREA OF SLIGHT CHANCE POPS FRIDAY AND
FRIDAY NIGHT. OTHERWISE...THERE ARE NO CHANCES FOR RAIN UNTIL THE
LAST PERIOD OF THE FORECAST WHEN AN UPPER LEVEL TROUGH MOVES INTO
WESTERN TEXAS BRINGING A CHANCE FOR THUNDERSTORMS NEXT WEDNESDAY.
&&
.PRELIMINARY POINT TEMPS/POPS...
AUSTIN CAMP MABRY 70 95 71 94 72 / 0 0 10 10 10
AUSTIN BERGSTROM INTL AIRPORT 69 93 71 93 71 / 0 0 10 10 10
NEW BRAUNFELS MUNI AIRPORT 69 95 70 94 71 / 0 0 10 10 10
BURNET MUNI AIRPORT 68 93 69 91 70 / 0 0 10 10 10
DEL RIO INTL AIRPORT 75 99 74 96 76 / 0 0 10 20 20
GEORGETOWN MUNI AIRPORT 69 92 70 91 70 / 0 0 10 10 10
HONDO MUNI AIRPORT 71 97 72 96 73 / 0 0 10 10 10
SAN MARCOS MUNI AIRPORT 70 92 71 91 72 / 0 0 10 10 10
LA GRANGE - FAYETTE REGIONAL 73 92 74 93 74 / 0 0 10 10 10
SAN ANTONIO INTL AIRPORT 72 95 72 94 73 / 0 0 10 10 10
STINSON MUNI AIRPORT 71 94 72 94 73 / 0 0 - 10 10
&&
.EWX WATCHES/WARNINGS/ADVISORIES...
NONE.
&&
$$
MESOSCALE/AVIATION...25
SYNOPTIC/GRIDS...08
PUBLIC SERVICE/DATA COLLECTION...33