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

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777
FXUS64 KEWX 190833
AFDEWX

Area Forecast Discussion
National Weather Service Austin/San Antonio TX
333 AM CDT Mon Aug 19 2019

.SHORT TERM (Today through Tuesday)...
Subtropical Ridge settles over the Southern Plains/Rockies area.
Although the thermal ridge backs away only slightly enabling high
temperatures to ease off a degree or two from the last few days, they
remain well above normal. Similar to the last few days, the usual
spots could reach Heat Advisory levels for an hour or so today.
Slightly deeper moisture moves back into our area allowing the
seabreeze to generate isolated showers and thunderstorms near the
Coastal Plains in the afternoon hours each day.

&&

.LONG TERM (Tuesday Night through Sunday)...
The pattern mid week is similar to the short term. Then, the passage
of several shortwaves across the Western States into the Plains
gradually breaks down the Ridge leaving a general weakness in the
pattern by next weekend. The lack of consistency and consensus
continues among the models and ensembles with respect to a surge of
tropical moisture and movement of any shortwaves/troughs. As a
result, will maintain isolated showers and thunderstorms near the
Coastal Plains each day. Temperatures will remain above normal,
though trend closer to normal. Just beyond this forecast, for Sunday
night into next Monday, the GFS gives some hope of more widespread
showers and thunderstorms. However, the ECMWF is much drier.

&&

.PRELIMINARY POINT TEMPS/POPS...
Austin Camp Mabry             102  78 101  77 101 /   0   0  -    0  -
Austin Bergstrom Intl Airport 100  77  99  76  99 /   0   0  -    0  -
New Braunfels Muni Airport    100  75 100  74 100 /   0   0  -    0  -
Burnet Muni Airport           100  75  98  75  98 /   0   0   0   0  -
Del Rio Intl Airport          105  79 104  77 101 /   0   0   0   0  -
Georgetown Muni Airport       100  77  98  76  98 /   0   0   0   0  -
Hondo Muni Airport            102  75 101  74 101 /   0   0   0   0  -
San Marcos Muni Airport       100  75 100  75 100 /   0   0  -    0  -
La Grange - Fayette Regional  100  77  99  76  98 /  20   0  10   0  10
San Antonio Intl Airport      100  77  99  76  99 /   0   0  -    0  -
Stinson Muni Airport          102  77 101  76 101 /   0   0  -    0  -

&&

.EWX WATCHES/WARNINGS/ADVISORIES...
None.
&&

$$

Aviation...Treadway
Short-Term/Long-Term...04



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