Area Forecast Discussion
Issued by NWS San Angelo, TX

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FXUS64 KSJT 180457 AAC
AFDSJT

Area Forecast Discussion...UPDATED
National Weather Service San Angelo TX
1157 PM CDT Thu Aug 17 2017

.AVIATION...
/06|Z TAFS/

High cloud cover will gradually decrease overnight. With a
combination of some overnight radiational cooling and a
moist airmass, believe winds will be light enough overnight
to allow patchy fog to develop, at a few locations across the
southern half of our area which received rainfall during the
evening. The most favorable TAF site looks to be KBBD, where
a Tempo group is being carried for light fog early Friday
morning. The KJCT and KSOA terminals received little or no
rain, and winds should stay just high enough to inhibit fog
development at KSJT. Similar to late last night, patchy low
cloud development is expected over the Hill Country, and
carrying a scattered low cloud group at KJCT early Friday
morning. During the day Friday, a VFR-based cumulus field is
expected, but no additional shower/thunderstorm development
is anticipated. Winds will be mainly from the south-southeast
on Friday.

&&

.PREV DISCUSSION... /issued 1122 PM CDT Thu Aug 17 2017/

DISCUSSION...
Quick update to remove POPs except across far southwest counties
where a few showers and isolated thunderstorms will linger. Also
tweaked temps and sky grids to account for trends.

PREV DISCUSSION... /issued 656 PM CDT Thu Aug 17 2017/

AVIATION...
/00Z TAFS/

Isolated to scattered showers and thunderstorms continue to
impact mainly the KSJT, KJCT, and KSOA terminals this evening.
Have included VCTS at these terminals through 03Z. Otherwise, VFR
conditions are expected at the TAF sites overnight and on Friday.
Winds will be generally from the south on Friday afternoon at
less than 10 knots.

PREV DISCUSSION... /issued 407 PM CDT Thu Aug 17 2017/

SHORT TERM...
(Tonight and Tomorrow)

Rain Chances Continue...

With a very moist atmosphere in place, showers and thunderstorms
remain possible for tonight, before dry conditions return
tomorrow. Afternoon temperatures around 95 have initiated showers
and thunderstorms, along and near outflow boundaries remaining
from previous showers and thunderstorms. Some thunderstorms may
produce locally heavy rainfall, and that may produce flash
flooding. Otherwise, expect much-needed rain, across much of West
Central Texas tonight.

LONG TERM...
(Friday night through Thursday)

Dry and Hot...

As the upper weather pattern shifts, and high pressure becomes
more dominate across the region, dry conditions will return to
West Central Texas. With surface moisture remaining fairly high
for August, look for afternoon highs to remain in the 90s.

&&

.PRELIMINARY POINT TEMPS/POPS...
Abilene  72  97  74  97 /  10   5   5  10
San Angelo  72  96  73  97 /  20   5   5   5
Junction  73  96  72  97 /  20   5   5   5
Brownwood  72  97  73  97 /  10  10   5  10
Sweetwater  73  95  73  96 /  10   5   5  10
Ozona       73  94  72  95 /  20   5   5   5

&&

.SJT WATCHES/WARNINGS/ADVISORIES...
None.
&&

$$


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