Area Forecast Discussion
Issued by NWS Tucson, AZ

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000
FXUS65 KTWC 132132
AFDTWC

Area Forecast Discussion
National Weather Service Tucson AZ
230 PM MST Fri Dec 13 2019

.SYNOPSIS...Dry conditions and warmer temperatures will prevail
again on Saturday. Thereafter, a weather system will brush mainly
northern Arizona bringing isolated showers to the White Mountains on
Sunday. Cooler temperatures will also follow early next week before
readings rebound by next Wednesday and Thursday.

&&

.DISCUSSION...A weak ridge of high pressure aloft will continue to
provide the area with high temperatures about 8 to 10 degrees above
normal again on Saturday. Models were in good agreement with
tracking a system through mainly northern Arizona on Sunday.
Moisture associated with this system will be confined north of the
area so dry weather will continue through much of next week. The
only exception will be in the White Mountains where a few showers
will be possible as the system passes through on Sunday. Cooler
temperatures will also accompany the system on Sunday and more so
Monday. Thereafter, models showed another ridge of high pressure
aloft developing over the region by next Wednesday and Thursday.

&&

.AVIATION...Valid through 15/00Z.
FEW-SCT clouds AOA 25k ft MSL through the forecast period. Surface
wind variable in direction and less than 12 kts through 14/18Z, then
WLY/SWLY 8-14 kts. . Aviation discussion not updated for TAF
amendments.

&&

.FIRE WEATHER...Dry and warmer conditions are expected through
Saturday. A weather system moving across the Four Corners region
will bring some breezy winds Sunday, especially east of Tucson. This
system will also result in a slight chance of rain and snow showers
in the White Mountains. Dry conditions areawide early next week, but
with cooler temperatures. Locally gusty east winds are expected
Tuesday and Wednesday of next week.

&&

.TWC WATCHES/WARNINGS/ADVISORIES...None.

&&

$$

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