FXUS65 KFGZ 150300
AFDFGZ

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
800 PM MST MON DEC 14 2009

.SYNOPSIS...HIGH PRESSURE WILL BUILD INTO THE SOUTHWEST TUESDAY...
WITH DRY AND WARMER CONDITIONS THROUGH THE WEEK.

&&

DISCUSSION...MOSTLY CLEAR SKIES WERE NOTED OVER NRN AZ THIS EVENING
WITH JUST A FEW AREAS OF PATCHY LOW CLOUDS. POSSIBILITY REMAINS THAT
SOME FOG MAY DEVELOP IN A FEW LOCATIONS...MAINLY COCONINO PLATEAU AND
YAVAPAI VALLEYS. CURRENT FCST HANDLES THIS WELL AND NO UPDATES
REQUIRED.

&&

.PREV DISCUSSION (300 PM)...TUESDAY THROUGH THE END OF THE
WEEK...TODAYS DISTURBANCE MOVES WELL OFF TO THE EAST WITH A RIDGE
QUICKLY BUILDING IN. RAPID WARMING ALOFT IS FORECAST LEADING TO SOME
STRONG INVERSIONS...ESPECIALLY OVER THE VALLEY LOCATIONS. SFC HIGH
PRESSURE OVER CO/UT SHOULD ALSO KEEP OUR WINDS OUT OF THE EAST OR
NORTHEAST. MOUNTAIN LOCATIONS SHOULD WARM UP TO NEAR OR SLIGHTLY
ABOVE NORMAL...BUT WE WILL HAVE TO WATCH THE NORTHEAST VALLEYS AS
THEY MAY BE SLOW TO WARM UP. DRY CONDITIONS ARE EXPECTED...WITH SOME
MID TO HIGH LEVEL CLOUDS AT TIMES...ESPECIALLY TUESDAY NIGHT INTO
WEDNESDAY. 

&&

.AVIATION...FOR THE 06Z PACKAGE...FOR MOST AREAS VFR CONDITIONS WILL
PREVAIL. PATCHY FOG MAY DEVELOP AFT 10Z...MAINLY OVER THE COCONINO
PLATEAU AND YAVAPAI VALLEY LOCATIONS...REDUCING VSBYS TO UNDER 1/4
MILE BEFORE DISSIPATING BY 16Z. AVIATION DISCUSSION NOT UPDATED FOR
AMENDMENTS.

&&

.FGZ WATCHES/WARNINGS/ADVISORIES...NONE.

&&

$$

PUBLIC.........DB/JJ
AVIATION.......DB

VISIT WEATHER.GOV/FLAGSTAFF FOR NORTHERN ARIZONA WEATHER INFORMATION.