Special Weather Statement, NWS Austin/San Antonio, TX

Area Forecast Discussion
National Weather Service Austin/San Antonio TX
616 PM CDT Wed May 3 2017

.AVIATION DISCUSSION...FOR 00Z TAF PERIOD...
FROPA has occurred at KAUS and will be occurring at KSAT/KSSF/KDRT in
the first hour of the TAF period. At that point, winds will shift to
the north and become gusty for the remainder of the daytime hours.
Gust potential will go down somewhat after nightfall but winds should
still stay elevated, in the 12-15 kt range. Winds will again become
gusty mid morning tomorrow morning. Otherwise, VFR conditions are
expected with north winds throughout the next 24 hours.

&&

.PREV DISCUSSION... /ISSUED 519 PM CDT Wed May 3 2017/

UPDATE...
Updated to include severe thunderstorm watch 192 for Bastrop, Lee,
Fayette, and Lavaca counties. There is still some potential for
severe storms over this area where the higher CAPE, stronger shear,
deeper moisture, and weaker cap are located. Have removed POPs behind
the cold front, currently along a Taylor to Austin to Bandera to Del
Rio line, as drier and stable airmass filters into our area.

PREV DISCUSSION... /ISSUED 238 PM CDT Wed May 3 2017/

SHORT TERM (Tonight through Thursday Night)...
Upper air analysis this morning showed a trough extending from the
northern plains to southern New Mexico. The flow over Texas was from
the south-southwest. At the surface, a frontal boundary was stretched
from near Houston to the Dallas-Fort Worth area to Marfa. On the
south side of the front winds were from the south and dewpoint
temperatures were 10 to 15 degrees higher than 24 hours ago in the
middle 60s to middle 70s. The upper level trough will swing across
Texas and the flow will become northwesterly. The cold front will
have passed through our area by the beginning of the period. Showers
and thunderstorms will continue behind the front this evening in the
southeast. Convection should be out of the area by midnight. Then
clearing will move in for the rest of the period.

LONG TERM (Friday through Wednesday)...
An upper level ridge will move across the Rockies bringing dry
weather for the rest of the week and weekend. Low temperatures will
be below normal through the weekend. An upper level low will move
through the southwestern states Monday and Tuesday bringing a chance
for showers and thunderstorms Tuesday and Wednesday.

&&

.PRELIMINARY POINT TEMPS/POPS...
Austin Camp Mabry              58  78  54  82  55 /   0   0   0   0   0
Austin Bergstrom Intl Airport  56  77  51  81  51 /   0   0   0   0   0
New Braunfels Muni Airport     55  78  50  82  52 /  10   0   0   0   0
Burnet Muni Airport            53  75  50  80  52 /   0   0   0   0   0
Del Rio Intl Airport           60  84  54  87  58 /   0   0   0   0   0
Georgetown Muni Airport        55  75  51  80  52 /   0   0   0   0   0
Hondo Muni Airport             55  82  49  85  53 /  10   0   0   0   0
San Marcos Muni Airport        56  78  50  82  51 /   0   0   0   0   0
La Grange - Fayette Regional   55  76  51  80  51 /  30   0   0   0   0
San Antonio Intl Airport       57  80  52  84  55 /  10   0   0   0   0
Stinson Muni Airport           58  80  53  84  54 /  10   0   0   0   0

&&

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

Mesoscale/Aviation...TB3
Synoptic/Grids...04
Public Service/Data Collection...Treadway

Hazardous Weather Outlook
National Weather Service Austin/San Antonio TX
503 AM CDT Wed May 3 2017

TXZ171>173-183>194-202>209-217>225-228-041000-
Llano-Burnet-Williamson-Val Verde-Edwards-Real-Kerr-Bandera-
Gillespie-Kendall-Blanco-Hays-Travis-Bastrop-Lee-Kinney-Uvalde-
Medina-Bexar-Comal-Guadalupe-Caldwell-Fayette-Maverick-Zavala-
Frio-Atascosa-Wilson-Karnes-Gonzales-De Witt-Lavaca-Dimmit-
503 AM CDT Wed May 3 2017

This Hazardous Weather Outlook is for South-Central Texas..

.DAY ONE...Today And Tonight.

Isolated severe storms capable of producing large hail and
damaging straight-line wind gusts are possible this afternoon and
early evening as a cold front moves across the area. The best
chance for severe storms will be along and east of a Georgetown
to Austin to Gonzales line.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to submit storm reports and rainfall
totals.

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