FXUS65 KFGZ 142215
AFDFGZ
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
300 PM MST MON DEC 14 2009
.SYNOPSIS...A FEW SHOWERS WILL LINGER OVER PORTIONS OF THE WHITE
MOUNTAINS EARLY THIS EVENING AS A WEATHER DISTURBANCE MOVES THROUGH.
MOSTLY CLEAR SKIES ARE EXPECTED OVER THE REST OF NORTHERN ARIZONA.
HIGH PRESSURE WILL BUILD INTO THE SOUTHWEST TUESDAY...WITH DRY AND
WARMER CONDITIONS THROUGH THE WEEK.
&&
.DISCUSSION...THE LAST IN A LONG SERIES OF PACIFIC DISTURBANCES IS
MOVING QUICKLY EAST OUT OF ARIZONA THIS AFTERNOON. ALL OF THE
MOISTURE ASSOCIATED WITH THIS SYSTEM HAS MOVED INTO EXTREME EASTERN
ARIZONA...AFFECTING THE WHITE MOUNTAINS WITH SCATTERED SNOW SHOWERS
THROUGH LATE AFTERNOON. ELSEWHERE ACROSS NORTHERN ARIZONA...AREAS OF
FOG DEVELOPED LAST NIGHT ACROSS CENTRAL AND NORTHERN YAVAPAI COUNTY
AND ACROSS THE COCONINO PLATEAU...SOME OF IT DENSE WITH VISIBILITY
BELOW 1/4 MILE. ALL THE FOG AND LOW CLOUDS DISSIPATED BY AROUND 1
PM. PATCHY FOG HAS BEEN ADDED TO THE FORECAST FOR THE SAME AREAS
AFTER MIDNIGHT TONIGHT...THOUGH IT IS NOT EXPECTED TO AS WIDESPREAD
OR DENSE.
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 00Z PACKAGE...FOR THE 00Z PACKAGE...FOR MOST
AREAS VFR CONDITIONS WILL PREVAIL. PATCHY DENSE FOG MAY REDEVELOP
TONIGHT AFTER 10Z IN THE SAME AREAS AS THIS MORNING REDUCING VSBYS
TO UNDER 1/4 MILE BEFORE DISSIPATING BY 16Z. AVIATION DISCUSSION NOT
UPDATED FOR AMENDMENTS.
&&
.FGZ WATCHES/WARNINGS/ADVISORIES...NONE.
&&
$$
PUBLIC.........JJ
AVIATION.......MAS
VISIT WEATHER.GOV/FLAGSTAFF FOR NORTHERN ARIZONA WEATHER INFORMATION.
