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

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FXUS64 KEWX 190813
AFDEWX

Area Forecast Discussion
National Weather Service Austin/San Antonio TX
313 AM CDT Tue Sep 19 2017

.SHORT TERM (Today through Wednesday)...
Warm conditions will continue through the short term with highs today
and Wednesday in the low to mid 90s for most locations, and upper 90s
along the Rio Grande. Heat index values both afternoons will peak
around 104-106 degrees across southeastern counties, mid to upper 90s
across the Hill Country and 98-102 along the I-35 corridor and Rio
Grande.

Isolated showers and thunderstorms will be confined to southeastern
counties with the sea-breeze both afternoons. There will also be a
slight chance for convection across western Val Verde County during
the afternoons and evenings with any storms that move east off the
diffuse dry line, being aided by the tail end of a weak upper level
shortwave today. DCAPE values of 1300-1500 J/KG could support a few
stronger storms across western Val Verde county, producing mainly
strong downburst winds.

&&

.LONG TERM (Wednesday Night through Monday)...
A slight increase in moisture will take place across South Central
Texas on Thursday and perhaps give a slight chance for isolated
showers and storms to central areas of the CWA. Friday through the
weekend precip chances will be primarily confined to the southeastern
counties. Above normal temperatures will continue into the weekend.

&&

.PRELIMINARY POINT TEMPS/POPS...
Austin Camp Mabry              94  76  94  76  92 /  -    0  -   -   20
Austin Bergstrom Intl Airport  93  74  93  75  92 /  10   0  -   -   20
New Braunfels Muni Airport     95  75  95  75  93 /  -   -   -   -   20
Burnet Muni Airport            93  75  93  74  91 /  -    0   0  -   20
Del Rio Intl Airport           97  77  98  77  96 /  -   -   10  10  20
Georgetown Muni Airport        93  76  94  75  91 /  -    0  -   -   20
Hondo Muni Airport             97  76  97  75  95 /  -   -   -   -   20
San Marcos Muni Airport        93  76  93  75  92 /  -    0  -   -   20
La Grange - Fayette Regional   92  76  92  76  91 /  20  -   20  10  40
San Antonio Intl Airport       95  77  95  77  93 /  -   -   -   -   20
Stinson Muni Airport           96  77  96  77  95 /  -   -   -   -   20

&&

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

&&

$$

Mesoscale/Aviation...04
Synoptic/Grids...Runyen


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