Area Forecast Discussion
Issued by NWS Flagstaff, AZ

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000
FXUS65 KFGZ 220408
AFDFGZ

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
909 PM MST SUN DEC 21 2014

.SYNOPSIS...
GENERALLY FAIR WEATHER AND GRADUALLY WARMING TEMPERATURES ARE
EXPECTED THROUGH MONDAY. A DRY COLD FRONT WILL BRING MUCH COLDER
TEMPERATURES AND GUSTY NORTHEAST WINDS MONDAY NIGHT THROUGH
TUESDAY. MILD TEMPERATURES AND OCCASIONALLY BREEZY CONDITIONS ARE
FORECAST FOR WEDNESDAY THROUGH THE END OF THE WEEK.

&&

.DISCUSSION...HEAVY CIRRUS OVER NO. AZ TONIGHT...THE FORECAST FOR
CLOUD COVER OVERNIGHT WAS INCREASED. MOIST CONDITIONS STILL EXIST
OUT IN THE LITTLE COLORADO RIVER VALLEY AND CHINLE VALLEY FROM THE
SURFACE UPWARDS THRU 1-3KFT ABOVE THE SURFACE OVERNIGHT TONIGHT.
AREAS OF FOG AND LOW CLOUDS ARE FORECAST AGAIN TONIGHT. HOWEVER WITH
THE APPROACHING COLD FRONT AND UPPER LEVEL LOW PRESSURE TROUGH
FORECAST FOR MONDAY NIGHT...THERE WILL BE ENOUGH MIXING SO THAT
CONDITIONS FOR  FOG MONDAY NIGHT WILL NOT BE AS FAVORABLE...WHERE
FOG WILL NOT BE FORECAST.
&&

.PREVIOUS DISCUSSION /337 PM MST/...
WARMING DAYTIME TEMPERATURES AND DRY CONDITIONS WILL CONTINUE INTO
EARLY MONDAY. SOME AREAS OF LOW CLOUDS AND PATCHY FOG MAY
REDEVELOP ACROSS NORTHEAST AZ VALLEY AREAS AGAIN TONIGHT.
OTHERWISE...LOOK FOR PERIODS OF MAINLY HIGH CLOUDS IN THE
NORTHWEST FLOW.

OCCASIONAL WEAK IMPULSES WILL BRUSH THE FOUR CORNERS OVER THE
COMING WEEK...INCLUDING MONDAY AFTERNOON...BUT MOST OF THE
NORTHLAND IS FORECAST TO REMAIN DRY OVER THE 7-DAY FORECAST
PERIOD. THIS FIRST IMPULSE WILL ALSO RESULT IN BREEZY WINDS AND
MUCH COOLER TEMPS FOR TUESDAY. THEN...GENERALLY MILD CONDITIONS
WILL PERSIST THROUGH CHRISTMAS AND INTO THE UPCOMING WEEKEND.

&&

.AVIATION...
FOR THE 06Z PACKAGE...EXPECT A RETURN OF IFR TO LIFR CONDITIONS IN
AREAS OF LOW CLOUDS AND FOG IN THE LITTLE COLORADO RIVER
VALLEY...INCLUDING KINW. HOWEVER...INCREASING WINDS AHEAD OF AN
APPROACHING COLD FRONT WILL LIKELY CAUSE CONDITIONS TO IMPROVE
EARLIER IN THE MORNING ON MONDAY THAN CONDITIONS ON SUNDAY
MORNING...WITH VFR CONDITIONS ACROSS THE ENTIRE VALLEY BY AROUND 18Z
MONDAY. VFR CONDITIONS ARE EXPECTED ELSEWHERE. AVIATION DISCUSSION
NOT UPDATED FOR TAF AMENDMENTS. EXPECT LCL STRONG GUSTY N-NE WINDS
ON THE SOUTHWEST SIDE OF MAJOR MOUNTAIN AND TERRAIN FEATURES MONDAY
NIGHT.
&&

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

&&

$$

PUBLIC.........TC/KD
AVIATION.......TC

FOR NORTHERN ARIZONA WEATHER INFORMATION VISIT
WEATHER.GOV/FLAGSTAFF









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