476
FXUS64 KEWX 251136
AFDEWX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
636 AM CDT FRI APR 25 2025
..NEW UPDATE, AVIATION
UPDATE
ISSUED AT 624 AM CDT FRI APR 25 2025
PATCHY FOG HAS FORMED OVER PARTS OF THE COASTAL PLAINS AND I-35
CORRIDOR. GENERALLY VISIBILITY WILL BE ONE TO THREE MILES, BUT SOME PLACES
MAY DROP TO NEAR 1/4 MILE OCCASIONALLY. VISIBILITY WILL IMPROVE BY
MID-MORNING AS TEMPERATURES WARM.
SHORT TERM
(TODAY THROUGH SATURDAY)
ISSUED AT 222 AM CDT FRI APR 25 2025
KEY MESSAGE:
- ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS THIS AFTERNOON
MAINLY ALONG AND NORTH OF I-10.
WE'LL START TO SEE SOME CHANGE IN THE UPPER LEVEL PATTERN TODAY AS A
RIDGE BEGINS TO BUILD OVER TEXAS. THERE WILL BE ONE LAST CHANCE FOR
CONVECTION THIS AFTERNOON BEFORE THE RIDGE BRINGS A MORE STABLE
PATTERN. THE LOW LEVELS WILL REMAIN WARM AND MOIST WITH
SOUTHEASTERLY FLOW FROM THE GULF. STRONG DAYTIME HEATING AND A WEAK
UPPER SHORTWAVE TROUGH WILL PRODUCE ISOLATED TO SCATTERED SHOWERS
AND THUNDERSTORMS THIS AFTERNOON MAINLY ALONG AND NORTH OF I-10. HI-
RES MODELS DO NOT SHOW ANY STRONG CONVECTION, BUT THERE COULD BE
SOME SMALL HAIL AND MODERATE RAIN IN THUNDERSTORMS. CONVECTION
SHOULD END QUICKLY WITH THE LOSS OF HEATING DURING THE EVENING.
TONIGHT AND SATURDAY THE UPPER RIDGING WILL END CHANCES FOR
CONVECTION. LOW LEVEL FLOW WILL CONTINUE TO BE FROM THE SOUTHEAST
KEEPING THE AIRMASS WARM AND MOIST. HIGH TEMPERATURES TODAY WILL BE
A FEW DEGREES WARMER THAN YESTERDAY. LOWS AND HIGHS SATURDAY WILL BE
SIMILAR TO TODAY.
LONG TERM
(SATURDAY NIGHT THROUGH THURSDAY)
ISSUED AT 222 AM CDT FRI APR 25 2025
KEY MESSAGES:
- SLIGHT CHANCES OF SHOWERS AND STORMS VAL VERDE COUNTY ON SUNDAY
AND MONDAY, THEN HIGHER CHANCES ALL AREAS TUESDAY THROUGH THURSDAY
- UNSEASONABLY WARM THROUGH THE PERIOD
A FEW SHOWERS AND STORMS DEVELOP WITH HEATING ALONG THE DRYLINE IN
WEST TEXAS AND OVER THE SERRANIAS DEL BURRO OF NORTHERN MEXICO ON
SUNDAY AND MONDAY DURING THE AFTERNOON HOURS. STEERING FLOW THEN
TAKES THEM OVER VAL VERDE COUNTY (20 PERCENT CHANCE) WHERE THEY
DISSIPATE EACH EVENING WITH LOSS OF HEATING AFTER SUNSET. AN UPPER
LEVEL TROUGH MOVES OVER THE PLAINS STATES MID WEEK FOLLOWED BY
ANOTHER BY NEXT WEEKEND. THERE REMAIN SOME TIMING AND STRENGTH
DIFFERENCES AMONG THE MODELS/ENSEMBLES. HOWEVER, THE BEST CHANCES (20
TO 60 PERCENT) FOR SHOWERS AND STORMS, ARE CURRENTLY LATE TUESDAY
INTO WEDNESDAY AND LATE THURSDAY INTO NEXT FRIDAY. LATER FORECASTS
WILL EVALUATE THE POTENTIAL FOR STRONG TO SEVERE STORMS, AS WELL AS,
HEAVY RAINS. SOUTHERLY LOWER LEVEL FLOW MAINTAINS UNSEASONABLY WARM
TEMPERATURES THROUGH THROUGH THE PERIOD.
AVIATION
(12Z TAFS)
ISSUED AT 624 AM CDT FRI APR 25 2025
LOW CEILINGS HAVE DEVELOPED IN THE AUSTIN AND SAN ANTONIO AREAS AND
SHOULD SPREAD TO DRT SOON. CONDITIONS SHOULD IMPROVE BY LATE MORNING
AND BE BACK TO VFR BY EARLY AFTERNOON. THERE IS A CHANCE FOR SHOWERS
AND THUNDERSTORMS DURING THE AFTERNOON IN THE AUSTIN AND SAN ANTONIO
AREAS. LOW CLOUDS WILL DEVELOP AGAIN LATE TONIGHT EVENTUALLY DROPPING
TO IFR.
PRELIMINARY POINT TEMPS/POPS
AUSTIN CAMP MABRY 87 68 88 69 / 30 10 10 0
AUSTIN BERGSTROM INTL AIRPORT 86 67 87 68 / 30 10 10 0
NEW BRAUNFELS MUNI AIRPORT 88 67 88 68 / 30 10 10 0
BURNET MUNI AIRPORT 86 67 85 67 / 30 10 10 10
DEL RIO INTL AIRPORT 91 72 90 71 / 10 10 10 10
GEORGETOWN MUNI AIRPORT 87 67 86 68 / 30 10 10 0
HONDO MUNI AIRPORT 87 68 88 67 / 20 10 10 0
SAN MARCOS MUNI AIRPORT 86 67 87 67 / 30 10 10 0
LA GRANGE - FAYETTE REGIONAL 86 68 88 69 / 30 0 0 0
SAN ANTONIO INTL AIRPORT 86 69 87 69 / 30 10 10 0
STINSON MUNI AIRPORT 88 70 89 70 / 30 10 10 0
EWX WATCHES/WARNINGS/ADVISORIES
NONE.
SHORT-TERM...05
LONG-TERM...04
AVIATION...05
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