Area Forecast Discussion
Issued by NWS San Angelo, TX

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FXUS64 KSJT 191128
AFDSJT

Area Forecast Discussion
National Weather Service San Angelo TX
528 AM CST Fri Jan 19 2018

.AVIATION...
/12Z TAFS/

MVFR cigs continue across the southeast portions of the area,
including the KJCT and KBBD terminals (Junction and Brady). These
should persist through mid morning, and then quickly dissipate.
The remainder of the area will see VFR conditions continue into
the overnight hours. However, conditions should deteriorate by
late tonight, as MVFR cigs begin to develop and spread across much
larger portion of West Central Texas.


&&

.PREV DISCUSSION... /issued 321 AM CST Fri Jan 19 2018/

SHORT TERM...
(Today and Tonight)

Low level moisture is streaming northward into the Hill Country
early this morning, with low clouds extending from roughly Junction
to Brownwood. These clouds will persist into the morning hours but
should dissipate, leaving quite a bit of sunshine for West Central
Texas. Warming trend will continue, with afternoon highs climbing
into the low to mid 60s.  Not as cold tonight with continued
southerly flow. Lows in the mid and upper 30s.

LONG TERM...
(Saturday through Thursday)

Upper level ridging, ahead of an approaching upper level trough,
will result in above normal temperatures across all of West Central
Texas on Saturday. Highs will be in the upper 60s to mid 70s, with a
few locations possibly reaching the upper 70s. In addition, expect
gusty southwest winds of 10 to 20 mph. The aforementioned upper
level trough will approach the forecast area on Sunday, sending a
Pacific front through the region. This will result in west winds of
15 to 25 mph, with higher gusts. Expect high temperatures on Sunday
in the mid 60s to near 70 degrees. Cooler temperatures are forecast
on Monday, in the wake of the front. Highs will be in the mid 50s to
near 60 degrees, with overnight lows in the lower 30s.

A fairly benign weather pattern is forecast for the remainder of the
extended forecast. Expect high temperatures mainly in the 60s, with
overnight lows mainly in the 30s. No rain is forecast through the
end of the work week.

FIRE WEATHER...
Sunday continues to look like the first serious fire weather day of
the year. Potent upper low pushing into the Plains by Sunday
afternoon, with a strong surface pressure gradient across the area.
Upper level lift pushes across the area during the morning hours,
leaving a decent downward push for the afternoon. Wind speeds of 50
to 55 kts at 700mb will have an easier time effecting the surface,
leaving a windy and dry afternoon. Humidity values will drop into
the 15-20% range across much of the area, while west winds mix down.
Will go ahead and issue a Fire Weather Watch for areas along and
west of a Brownwood to Ozona line.

&&

.PRELIMINARY POINT TEMPS/POPS...
Abilene  64  39  71  49 /   0   0   0   5
San Angelo  64  36  74  47 /   0   0   0   5
Junction  62  37  72  47 /   0   0   0   5
Brownwood  63  39  73  49 /   0   0   0  10
Sweetwater  64  38  74  47 /   0   0   0   0
Ozona       60  35  68  44 /   0   0   0   5

&&

.SJT WATCHES/WARNINGS/ADVISORIES...
Fire Weather Watch from Sunday morning through Sunday evening
for Brown-Callahan-Coke-Coleman-Concho-Crockett-Fisher-Haskell-
Irion-Jones-Nolan-Runnels-Schleicher-Shackelford-Sterling-Taylor-
Throckmorton-Tom Green.

&&

$$

07


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