Area Forecast Discussion
Issued by NWS Portland, ME

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000
FXUS61 KGYX 261119
AFDGYX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GRAY ME
619 AM EST FRI DEC 26 2014

.SYNOPSIS...
HIGH PRESSURE WILL BUILD SOUTH OF NEW ENGLAND TODAY AND WILL
REMAIN THROUGH SATURDAY. A COLD FRONT WILL APPROACH FROM THE WEST
SATURDAY NIGHT AND WILL CROSS THE REGION ON SUNDAY. COLD HIGH
PRESSURE WILL BUILD IN FROM THE WEST SUNDAY NIGHT THROUGH
WEDNESDAY.

&&

.NEAR TERM /THROUGH TONIGHT/...
UPDATE...
HAVE UPDATED THE GRIDS THIS MORNING BASED ON CURRENT CONDITIONS.
SC DECK HAS EXPANDED A LITTLE FURTHER TO THE EAST PER LATEST OBS
AND STLT IMAGERY WITH BKN CLOUDS OVER KCON...KIZG AND KWVL. HAVE
UPPED CLOUD COVER GRIDS FOR THESE AREAS. ALSO UPPED MAX
TEMPERATURE FORECAST FOR TODAY AS READINGS ARE ALREADY NEAR THE
FORECAST HIGHS THIS MORNING. REST OF THE FORECAST WILL REMAIN
RELATIVELY UNCHANGED.

PREV DISC...
DESPITE STRONG COLD AIR ADVECTION YESTERDAY ON A
STRONG GUSTY WESTERLY GRADIENT...TEMPERATURES REMAIN WELL ABOVE
NORMAL FOR THIS TIME OF THE YEAR THIS MORNING. RECORD HIGH
TEMPERATURES YESTERDAY WILL BE REPLACED BY READINGS IN THE MID 3OS
NORTH TO THE MID 40S SOUTH. A WESTERLY BREEZE WILL MAKE IT FEEL
CHILLY IN EXPOSED AREAS HOWEVER.

ALL MODELS WITHIN THE 00Z MODEL SUITE CONTINUING TO INDICATE
SCATTERED UPSLOPE SNOW AND RAIN SHOWERS TODAY ACROSS THE FAVORABLE
HIGH TERRAIN.

GRADIENT WILL BEGIN TO RELAX BY SUNSET.

&&

.SHORT TERM /SATURDAY THROUGH SATURDAY NIGHT/...
FRONTAL BOUNDARY NORTH OF THE BORDER WILL ALLOW FOR MORE CLOUDS
OVER FAR NORTHERN AREAS SATURDAY. WINDS WILL RELAX ON SATURDAY AS
WELL AS H850 TEMPERATURES MODERATE. THIS WILL SEND TEMPERATURES
WELL INTO THE 40S OVER SOUTHERN AREAS ONCE AGAIN...WITH A COUPLE
LOCATIONS TIPPING OUT NEAR 50 DEGREES.

CLOUDS FROM AN ADVANCING COLD FRONT WILL BEGIN TO EXPAND GRADUALLY
TO CENTRAL AREAS BY LATE SATURDAY.

&&

.LONG TERM /SUNDAY THROUGH THURSDAY/...
WARM WEATHER FINALLY COMES TO AN END NEXT WEEK. A COLD FRONT WILL
CROSS THE AREA ON SUNDAY. SOME SHOWERS ARE EXPECTED AS THE FRONT
MOVES THROUGH... BUT PRECIPITATION AMOUNTS SHOULD BE FAIRLY LIGHT
AS MOST OF THE FORCING WITH THIS SYSTEM WILL STAY NORTH IN CANADA.
IT WILL STILL BE A WARM DAY ON SUNDAY... ESPECIALLY TOWARD THE
COAST WHERE DOWNSLOPING WEST WINDS BEHIND THE FRONT ALLOW FOR
BETTER MIXING. TEMPERATURES WARM INTO THE UPPER 40S TO NEAR 50.

MONDAY WILL BE ABOUT 15 DEGREES COLDER AS THE COLD ADVECTION IS
ABLE TO TAKE HOLD. COLD AND DRY WEATHER EXPECTED THROUGH WEDNESDAY
WITH HIGH TEMPERATURES BELOW FREEZING AND LOWS RANGING FROM THE
SINGLE DIGITS TO THE TEENS.

&&

.AVIATION /11Z FRIDAY THROUGH TUESDAY/...
SHORT TERM...VFR CONDITIONS TODAY THROUGH SATURDAY. HIGH PRESSURE
MOVING OFF THE EAST COAST WILL DOMINATE OUR WEATHER WITH GUSTY
WEST WINDS DIMINISHING AND SWITCHING TO THE SOUTHWEST.

LONG TERM... A COLD FRONT MOVES THROUGH SUNDAY WITH THE
POSSIBILITY OF A SHOWER AS IT DOES SO... ESPECIALLY IN NORTHERN
AREAS. OTHERWISE VFR CONDITIONS ARE EXPECTED THROUGH THE COMING
WEEK.

&&

.MARINE...
SHORT TERM...GUSTY WESTERLY WINDS WILL CONTINUE TODAY...HOWEVER
THEY WILL DIMINISH INTO THE SCA CRITERIA OVER THE NEXT HOUR OR
TWO. SCAS THIS MORNING WESTERN PORTIONS OF THE WATERS. FURTHER TO
THE EAST...THE OUTER WATERS WILL CONTINUE TO HAVE A LONG FETCH IN
A WESTERLY GRADIENT...SO SCAS WILL BE CONTINUING EAST OF CAPE
ELIZABETH DURING THE AFTERNOON HOURS.

LONG TERM...A COLD FRONT CROSSES THE WATERS ON SUNDAY WITH
WESTERLY WINDS BEHIND THE FRONT POSSIBLY GUSTING UP TO AROUND 25
KT. WINDS SUBSIDE A BIT ON MONDAY IN SPITE OF COLD ADVECTION. HIGH
PRESSURE MOVING TOWARD THE AREA WILL BRING QUIET WEATHER TUESDAY.

&&

.GYX WATCHES/WARNINGS/ADVISORIES...
ME...NONE.
NH...NONE.
MARINE...SMALL CRAFT ADVISORY UNTIL 6 PM EST THIS EVENING FOR ANZ150-
     152.
     SMALL CRAFT ADVISORY UNTIL NOON EST TODAY FOR ANZ154.

&&

$$



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