Area Forecast Discussion
Issued by NWS Flagstaff, AZ
FXUS65 KFGZ 272152
Area Forecast Discussion
National Weather Service Flagstaff AZ
252 PM MST Thu Apr 27 2017
.SYNOPSIS...Gusty winds will continue through the early evening
before decreasing overnight. On Friday, expect another round of
gusty winds as a cold front moves south through the state. This
will bring colder temperatures to the region with a chance of
showers mainly across eastern Arizona into Saturday. Dry weather
with a strong warming trend starts Sunday and continues through
the middle of next week.
.DISCUSSION...Gusty winds will continue through the early evening
hours. A Wind Advisory remains in effect through 7 pm this
evening for locations in the Little Colorado River Valley, White
Mountains and Chuska Mountains. Several locations have observed
wind gusts of at least 40 mph including Greer, Saint Johns, Window
Rock, Springerville and Winslow.
On Friday, a closed low will develop near the Four Corners while a
cold front moves southward across the area. Conditions behind the
front will be quite dry, but enough moisture and instability will
exist for showers, and few thunderstorms, across Navajo and
Apache Counties. The best chances for showers will be in the White
Mountains and Saint Johns areas. Daytime temperatures on Friday
will be noticeably cooler than today, with high temperatures
between 10 to 20 degrees below normal at most places. In
addition, a strong southwest wind will persist in the White
Mountains region, and another Wind Advisory has been issued for
this area from noon to 8 pm Friday.
Elsewhere, a dry and breezy northwest wind will set up, which is
expected to lead to critical fire weather conditions across
Yavapai County. A Red Flag Warning remains in effect in this area
from 1 pm to 8 pm Friday.
On Saturday, the closed low shifts eastward into New Mexico. As a
result, the best chances for showers will be limited to Apache
County, with only slight chances for showers in Navajo and
northern Gila Counties. A cold northerly wind will persist keeping
daytime temperatures well below normal
Dry weather and a warming trend are forecast from Sunday through
the middle of next week as a strong ridge of high pressure sets up
over the West Coast.
.AVIATION...For the 00Z Package...Breezy westerly winds will
continue through around sunset tonight before decreasing in the
evening. Winds will increase in speeds Friday as a frontal boundary
that pushes through the region. The strongest winds are expected
east of KFLG. Aviation discussion not updated for amendments.
.FIRE WEATHER... A Red Flag Warning has been issued for Yavapai
County on Friday when northwest winds increase and combine with a
very dry airmass behind a cold front passage. Eastern Arizona will
see scattered showers and thunderstorms along the frontal zone
Saturday through Monday...Cool weather behind the front will remain
in the area through the weekend and into early next week with some
showers possible along the ArizonaNew Mexico line on Saturday.
.FGZ WATCHES/WARNINGS/ADVISORIES...Wind Advisory until 7 PM MST
this evening FOR AZZ011>014-017-040.
Red Flag Warning from 1 PM to 8 PM MST Friday FOR AZZ108-137.
Wind Advisory from noon to 8 PM MST Friday FOR AZZ017.
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