Area Forecast Discussion
Issued by NWS San Angelo, TX

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FXUS64 KSJT 252336
AFDSJT

Area Forecast Discussion
National Weather Service San Angelo TX
636 PM CDT Tue Sep 25 2018

.AVIATION...
/00Z TAFS/

A cold front will move across the area late this evening. By 07z
the front will move through the KABI terminal. The front will
continue to move south and pass through the KSJT and KBBD
terminals around 10z, then through the KJCT and KSOA terminals by
15z. Winds will shift to the northeast and turn gusty, between 15
to 18 knots with gusts up to 25 knots. A few showers may develop
along the front and impact the terminals. Included the mention of
VCSH at all terminals between 10-15z. Following the frontal
passage, low ceilings will develop, and all terminals will see a
3 to 4 hour window of IFR ceilings. Ceilings will hover around
500-700 feet with intermittent DZ/BR slightly reducing
visibilities. By 16z the clouds will begin to lift but will
remain at MVFR levels, with most terminals seeing a BKN/OVC deck
between 1,500-2,500 feet.


&&

.PREV DISCUSSION... /issued 249 PM CDT Tue Sep 25 2018/

SHORT TERM...
(Tonight and Wednesday)

..Strong cold front and much cooler temperatures for Wednesday...

Big changes coming tomorrow, with much cooler temperatures and a
chance for some more rain. A strong cold front is on track to
enter the northern Big Country by late this evening, then move
south across the area overnight into Wednesday morning. The front
will usher in much cooler temperatures on Wednesday, with early
morning temperatures ranging from the lower 60s across the Big
Country, the mid and upper 60s across the Concho Valley and
Heartland and the lower to middle 70s along the I-10 corridor.
Temperatures are expected to slowly fall behind the front during
the day, dropping into the 50s along and north of a San Angelo to
Brownwood line by afternoon and into the 60s across southern
sections.

In addition to the cooler temperatures, skies will be cloudy
Wednesday as widespread low clouds develop behind the front, with
breezy north winds of 10 to 20 mph. Scattered showers and a few
thunderstorms will be possible late tonight and during the day on
Wednesday. Precipitation for the most part will be light, with most
areas averaging between 1/10 and 1/4 inch, although isolated
amounts around 1/2 inch will be possible.

LONG TERM...
(Wednesday Night through Tuesday)

Lower rain chances will continue across our area Wednesday night,
and across the southeastern part of our area on Thursday, as an
upper shortwave trough moves southeast across the area. Wednesday
night will be cool as temperatures drop into the 50-55 degree range
for lows, across much of our area. Some sunshine is expected by
Thursday afternoon across the northwestern part of our area, as
drier air filters in behind the departing shortwave. Highs Thursday
are expected to be in the mid to upper 70s.

The possibility of isolated to scattered, mainly afternoon and
evening showers and thunderstorms, remains in the forecast Friday
into the first part of next week. Low-level moisture will linger
across our area, and may have a few weak disturbances aloft
affecting southern and central Texas. Warm and somewhat humid
conditions are expected for our area during that time.

&&

.PRELIMINARY POINT TEMPS/POPS...
Abilene  58  62  50  75 /  40  60  20  10
San Angelo  64  67  52  75 /  20  50  20  10
Junction  68  75  57  75 /  10  50  30  30
Brownwood  65  68  54  75 /  30  50  20  10
Sweetwater  56  62  50  75 /  40  60  20   5
Ozona       65  70  52  75 /  10  50  30  20

&&

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

$$

99/99/40


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