Area Forecast Discussion
Issued by NWS Flagstaff, AZ

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FXUS65 KFGZ 221613

Area Forecast Discussion
National Weather Service Flagstaff AZ
913 AM MST Sun Apr 22 2018

.SYNOPSIS...A weak area of low in the upper atmosphere will bring
high clouds to northern Arizona today. Warmer temperatures,
lighter winds, and mostly dry conditions can be expected through
much of this week.


.UPDATE...A weak upper level low moving over northern Arizona will
bring high clouds to the area. Have increased cloud cover today.
Otherwise, forecast is in good shape.


.PREV DISCUSSION /258 AM MST/...Above normal temperatures and
generally light winds will be the main story for northern Arizona
over the next several days. Temperatures will be around 10 degrees
above normal through much of next week. A weak disturbance will
drift across northern Mexico today, bringing some mid and high
level clouds to the area, but precipitation chances look minimal.
Typical spring afternoon breezes will occur each afternoon next
week, but there are no indications of any stronger winds events
until potentially late next week.

With the warm daytime temperatures and limited boundary layer
moisture, there will be some afternoon cumulus buildups over high
terrain especially Wednesday through Friday. There is a slight
chance of afternoon showers or thunderstorms mainly across the
higher terrain of Apache County including the White Mountains
Wednesday through Friday.


.AVIATION...For the 18Z package...Expect VFR conditions across
northern Arizona for the next 24 hrs, though mid-and-high level
clouds will be increasing today. Southwest winds of 5-10KT this
afternoon will become light and variable after 02Z. Aviation
discussion not updated for TAF amendments.


.FIRE WEATHER...A warming trend will continue today and Monday
with predominantly southwest winds.

Tuesday through Thursday...Warm and dry conditions continue through
Tuesday with typical spring afternoon breezes. A slight chance of
thunderstorms is possible Wednesday and Thursday over the White






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