Area Forecast Discussion
Issued by NWS Flagstaff, AZ

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
FXUS65 KFGZ 200358

Area Forecast Discussion
National Weather Service Flagstaff AZ
858 PM MST Thu Oct 19 2017

.SYNOPSIS...Conditions will clear from west to east tonight. Drier
and windy conditions develop Friday, ahead of a strong cold front
set to drop temperatures 10-15 degrees by Saturday. Warmer and dry
conditions will return again by early next week.


Skies will continue to clear from west to east overnight. The
forecast for dry and windy conditions Friday remains on track.


.PREV DISCUSSION /357 PM MST/...Friday will feature drier weather
with strengthening southwest flow ahead of a cold front moving
south through the Great Basin. Winds aloft and sufficient vertical
mixing should support gusts near 45 mph for much of the high
country along and north of the Mogollon Rim. A Wind Advisory has
been issued. Winds will decrease while shifting to the north
behind the front late Friday night into Saturday.

Temperatures will trend cooler Friday with the coolest expected on
Saturday behind the front. Temperatures will rebound quickly
beginning on Sunday. Strong high pressure is still forecast to
build over the western U.S. early next week bringing dry weather
and very warm temperatures.


.AVIATION...For the 06Z package...Expect VFR conditions for the
next 24 hrs. Southwest winds increasing after 18Z Friday,
becoming 15-25 kt with gusts 30-40 kt for most areas. Aviation
discussion not updated for TAF amendments.


.FIRE WEATHER...Southwest winds will increase significantly on
Friday, with gusts to 40 mph possible along/north of the Mogollon
Rim. Min RH values are forecast to remain above 15 percent so
critical fire weather is not anticipated. Cooler and drier
conditions will arrive Saturday, with winds shifting to north-
northwest and decreasing.

Sunday through Tuesday...Building high pressure will lead to above
normal temperatures and low afternoon RH values. Winds are
expected to be from the north to northeast through this period.


.FGZ WATCHES/WARNINGS/ADVISORIES...Wind Advisory from 11 AM to 7
PM MST Friday FOR AZZ004>007-009>017-039-040.




For Northern Arizona weather information visit is the U.S. government's official web portal to all federal, state and local government web resources and services.