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

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FXUS64 KEWX 121900
AFDEWX

Area Forecast Discussion
National Weather Service Austin/San Antonio TX
200 PM CDT Sat Aug 12 2017

.SHORT TERM (Tonight through Sunday Night)...
The mid and upper level ridge will remain in place across south
central Texas through Sunday night. Look for continued hot and dry
weather, with hazardous afternoon heat index values across the
coastal plains east of Interstate 35. Will let the overnight shift
refine the hottest area and issue a heat advisory for Sunday.

&&

.LONG TERM (Monday through Saturday)...
No major change in forecast model trends, we still expect a
weakening of the upper level ridge by mid-week, with a trough moving
through the central Great Plains as a source of lift late Tuesday for
Val Verde County, and on Wednesday for the rest of the area. Even
with the tail end of the trough, overall moist air content and
instability will be low enough for only 20 percent PoPs.

A new ridge develops over Texas at the end of the week into early
the next week. While this ridge will suppress cloudcover and make
for great solar eclipse viewing on Monday, August 21st, it also
means most locations will remain dry, so continue watering plans in
accordance with local restrictions.

&&

.PRELIMINARY POINT TEMPS/POPS...
Austin Camp Mabry              77 101  77 100  77 /   0   0   0   0   0
Austin Bergstrom Intl Airport  76 100  76  99  76 /   0   0   0  -    0
New Braunfels Muni Airport     76 100  75 101  76 /   0   0   0   0   0
Burnet Muni Airport            75  98  74  97  74 /   0   0   0   0   0
Del Rio Intl Airport           78 104  78 102  79 /   0   0   0   0   0
Georgetown Muni Airport        77  99  76  98  76 /   0   0   0   0   0
Hondo Muni Airport             75 102  75 102  75 /   0   0   0   0   0
San Marcos Muni Airport        76 100  76  99  76 /   0   0   0   0   0
La Grange - Fayette Regional   77 100  77  99  77 /   0   0   0  10   0
San Antonio Intl Airport       77 100  77 101  77 /   0   0   0   0   0
Stinson Muni Airport           76 100  76 100  77 /   0   0   0   0   0

&&

.EWX WATCHES/WARNINGS/ADVISORIES...
Heat Advisory until 7 PM CDT this evening for the following
counties: Atascosa...Bastrop...Caldwell...De Witt...Fayette...
Gonzales...Guadalupe...Karnes...Lavaca...Lee...Wilson.

&&

$$

Mesoscale/Aviation...10
Synoptic/Grids...26
Public Service/Data Collection...YB



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