Area Forecast Discussion
Issued by NWS San Angelo, TX

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FXUS64 KSJT 111120
AFDSJT

Area Forecast Discussion
National Weather Service San Angelo TX
520 AM CST Mon Dec 11 2017

.AVIATION...
/12Z TAFS/

VFR the next 24 hours with a dry atmosphere. Southwest winds
less than 10 KTS late morning and afternoon will shift to the
northwest and north at 5 to 10 KTS tonight.

&&

.PREV DISCUSSION... /issued 402 AM CST Mon Dec 11 2017/

SHORT TERM...
(Today and Tonight)

A weak surface trough across North Texas will bring dry southwest
winds generally 10 mph or less from late morning into the afternoon.
Temperatures will be a degree or two warmer than Sunday, in the 70
to 75 range.

A cold front will move in behind the surface trough tonight. Winds
will shift to the northwest to north between 8 to 10 PM in the Big
Country and across the rest of West Central Texas by midnight. While
there will be cold advection behind the front, temperatures Tuesday
morning will be a few degrees warmer than this morning, due to
mixing effect of stronger north winds of 5 to 15 mph behind the
front.

LONG TERM...
(Tuesday through Sunday)

Not much change in the extended period of the forecast, with dry
and warm weather prevailing. Temperatures will be cooler on
Tuesday behind the cold front that moves across the area tonight.
Despite the front, temperatures on Tuesday will only cool to near
seasonal values, with afternoon highs in the upper 50s and lower
60s. The rest of the extended period will be dry, with temperatures
fluctuating between near seasonal and unseasonably warm through
next weekend. A weak cold front arrives on Thursday, with yet
another weak front expected by next Sunday.

Overall, the weather will be pleasant for December, with light
winds through most of the forecast period. The exception will be
on Saturday as gusty southwest winds develop in advance of the
front on Sunday. Saturday looks to be the warmest day as well,
with afternoon highs in the lower 70s for most of the forecast
area. Overnight lows will be mainly in the 30s through Friday,
warming into the upper 30s and lower 40s by the weekend.

&&

.PRELIMINARY POINT TEMPS/POPS...
Abilene  72  36  58  35 /   0   0   0   0
San Angelo  74  36  61  31 /   0   0   0   0
Junction  73  32  61  28 /   0   0   0   0
Brownwood  73  34  58  30 /   0   0   0   0
Sweetwater  72  36  59  37 /   0   0   0   0
Ozona       70  33  61  31 /   0   0   0   0

&&

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

$$

99/99/04


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