Area Forecast Discussion
Issued by NWS Portland, ME

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000 FXUS61 KGYX 261649 AFDGYX AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GRAY ME 1149 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/... 12 PM UPDATE...HAD TO BUMP UP HIGH TEMPERATURES A FEW DEGREES AS DOWNSLOPING AND CLEAR SKIES HAS BOOSTED TEMPS TO NEAR 50 ACROSS THE SOUTHERN CWA. ALSO INCREASED CLOUD COVER IN THE MOUNTAINS AND DECREASED SOUTHWEST OF THE MOUNTAINS DUE TO THE DOWNSLOPING. 9 AM UPDATE...TEMPERATURES WERE RUNNING JUST A BIT WARMER IN A FEW SPOTS THIS MORNING DUE TO BKN CLOUDS SO UPDATED FORECAST BASED ON THE CURRENT OBS AND TRENDS. OTHER THAN THAT THE FORECAST REMAINS ON TRACK WITH CLOUDS EXPECTED IN THE MOUNTAINS AND CLEAR SKIES TO THE SOUTHEAST OF THE RANGE WITH THE DOWNSLOPING. 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 /18Z FRIDAY THROUGH WEDNESDAY/... 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. && $$ NEAR TERM...KISTNER

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