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

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FXUS64 KEWX 200829
AFDEWX

Area Forecast Discussion
National Weather Service Austin/San Antonio TX
329 AM CDT Fri Oct 20 2017

.SHORT TERM (Today through Saturday)...
Upper air analysis last evening showed a negatively tilted trough
extending from Utah to South Texas. The flow over Texas was generally
from the southwest. At the surface, high pressure was centered to the
northeast and winds across our CWA were from the east to southeast.
Dewpoint temperatures were 5-15 degrees higher than 24 hours ago.
During this period the upper trough will be reinforced by another
trough moving down from the northwest. The low level flow will remain
from the southeast and this combination will produce a chance for
showers and thunderstorms over the eastern half of our area. The best
chances will be during the day today and Saturday. With the
southeasterly flow temperatures will increase and be well above
normal.

&&

.LONG TERM (Saturday Night through Thursday)...
The upper trough will move across the plains Saturday and Sunday. It
will bring a cold front through our CWA Saturday night and Sunday
morning. The front will bring a widespread chance for rain. Behind
the front breezy northerly winds will bring in cooler, drier air. The
upper flow will become northwesterly Monday. Another dry cold front
will move through the region Tuesday keeping temperatures down
through the end of the period.

&&

.PRELIMINARY POINT TEMPS/POPS...
Austin Camp Mabry              83  71  87  66  79 /  40  20  30  80  30
Austin Bergstrom Intl Airport  83  70  87  66  79 /  40  20  30  70  40
New Braunfels Muni Airport     84  70  87  68  80 /  30  20  20  60  40
Burnet Muni Airport            79  68  85  61  76 /  30  20  20  80  20
Del Rio Intl Airport           82  68  87  64  81 /  10   0  -   40  -
Georgetown Muni Airport        81  70  86  64  77 /  40  20  30  80  30
Hondo Muni Airport             85  69  89  67  83 /  20  10  10  60  30
San Marcos Muni Airport        84  70  87  68  80 /  30  20  30  60  40
La Grange - Fayette Regional   84  71  87  69  79 /  40  20  40  60  60
San Antonio Intl Airport       85  70  88  69  81 /  30  20  20  60  40
Stinson Muni Airport           86  71  89  69  82 /  20  20  10  50  40

&&

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

$$

Mesoscale/Aviation...04
Synoptic/Grids...05



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