Area Forecast Discussion
Issued by NWS Amarillo, TX

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676
FXUS64 KAMA 132348 AAA
AFDAMA

Area Forecast Discussion...UPDATED
National Weather Service Amarillo TX
548 PM CST Wed Dec 13 2017

.AVIATION...
For the 00Z TAFs, a minor upper level low pressure system will
move across the area late tonight and Thursday accompanied by an
increase in mid and high level clouds. A few snow flurries or
light snow showers may also develop Thursday morning across the
northwest sections of the OK and TX Panhandles with KGUY and KDHT
possibly being impacted. However, the probability of this
happening is low, and have omitted from this fcst cycle.

Andrade

&&

.PREV DISCUSSION... /Issued 235 PM CST Wed Dec 13 2017/

DISCUSSION...
No significant changes have been made to the forecast.  Main day
of concern will be Saturday, when elevated to critical fire
weather conditions are expected.  See below.

Post-frontal surface high pressure ridge builds into the Texas and
Oklahoma Panhandles tonight, with clouds also increasing from the
north.  Low pops for light snow Thursday morning have been
retained for northwest and north-central parts of the forecast
area.  No accumulations of significance are expected.  Cold air
advection with north winds and clouds will make for a much cooler
day on Thursday, with highs about 5 degrees Fahrenheit below
normal.

The next lee trof develops on Friday, with southwest winds bringing
warmer conditions.  On Saturday, the lee trof is expected to
deepen rapidly, inducing southwest winds of 20 to 30 MPH, with
highs 10 to 15 degrees above climo.  A cold front arrives
Saturday evening and Saturday night, with brisk north winds on
Sunday causing Sunday to be another below-normal day, temperature-
wise.  Warming trend expected Monday through Wednesday.  03

Cockrell

FIRE WEATHER...
Elevated fire weather conditions will continue through the late
afternoon today across the Panhandles until north winds diminish.
Light to moderate north winds are expected on Thursday.  Light to
moderate southwest winds resume on Friday.

Dry southwest winds increase notably on Saturday, leading to
elevated to critical fire weather conditions across all of the
Panhandles.  Winds will shift to north as a cold front passes
Saturday evening and Saturday night.

Brisk north winds are expected on Sunday.  Light to moderate
southwest winds resume on Monday.  Light winds are expected on
Tuesday.  Light to moderate southwest winds are expected on
Wednesday.  03

&&

.AMA Watches/Warnings/Advisories...
TX...None.
OK...None.

&&

$$



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