Area Forecast Discussion
Issued by NWS Portland, ME

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000 FXUS61 KGYX 140811 AFDGYX AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GRAY ME 250 AM EST SUN DEC 14 2014 .SYNOPSIS... THE STATIONARY LOW PRESSURE SYSTEM THAT HAS BEEN OVER THE REGION WILL FINALLY BE FINALLY MOVING EAST THIS MORNING. HIGH PRESSURE WILL START TO BUILD INTO THE REGION BY THIS AFTERNOON AND CREST OVER THE AREA BY TUESDAY MORNING BRINGING A RETURN TO CLEAR SKIES AND WARMER TEMPERATURES. THE NEXT CHANCE FOR PRECIPITATION WILL COME ON WEDNESDAY AS A WEAK LOW PRESSURE SYSTEM MOVES THROUGH...HOWEVER IT LACKS ANY ABUNDANT MOISTURE SO ANY RAIN OR SNOW WILL BE LIGHT. && .NEAR TERM /THROUGH TODAY/...
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A FEW RADAR ECHOES STILL SHOWING UP AS THE LAST SIGNIFICANT SHORT WAVE ROTATES AROUND THE UPPER LOW THIS MORNING. A FEW LIGHT SNOW SHOWERS ARE POSSIBLE MAINLY IN THE CORRIDOR FROM BERLIN NH SOUTH TO ROCKINGHAM COUNTY... BUT MOST OBSERVATION SITES ARE NOT REPORTING ANY PRECIPITATION REACHING THE GROUND. PRECIPITATION IS CONSIDERABLY LIGHTER THAN IT WAS A FEW HOURS AGO. UPPER LEVEL LOW THAT HAS BEEN PLAGUING US FOR DAYS FINALLY MOVES OFFSHORE TODAY ALLOWING SURFACE HIGH PRESSURE TO SLOWLY BUILD IN. THIS WILL BRING AT LEAST PARTLY SUNNY SKIES TO THE COASTAL PLAIN WHILE NW FLOW KEEPS SOME UPSLOPE CLOUDS IN THE MOUNTAINS. NOT EXPECTING ENOUGH LIFT OR MOISTURE TO PRODUCE SHOWERS HOWEVER. DAYTIME HIGHS WILL ONLY BE A FEW DEGREES HIGHER THAN THEY ARE NOW.
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&& .SHORT TERM /TONIGHT THROUGH 6 PM MONDAY/... SKIES CONTINUE TO CLEAR THROUGH TONIGHT ALLOWING FOR BETTER RADIATIONAL COOLING. OVERNIGHT LOWS SHOULD BOTTOM OUT IN THE 20S AREAWIDE WITH A FEW OF THE COLDER MOUNTAIN VALLEY LOCATIONS DROPPING INTO THE TEENS. THIS NO PRECIPITATION REGIME CONTINUES THROUGH MONDAY AS UPPER LEVEL RIDGING BUILDS AND IN REINFORCES THE SURFACE HIGH. SKIES SHOULD BE MOSTLY TO PARTLY CLOUDY EVERYWHERE WITH HIGHS SIMILAR TO TODAY. && .LONG TERM /MONDAY NIGHT THROUGH SATURDAY/... HIGH PRES WILL CREST OVER THE REGION MONDAY NIGHT AND EARLY TUESDAY WITH MILD TEMPS. MODELS SHOW THE NEXT UPPER TROF TO MOVE ACROSS THE REGION WED AND THEN POSSIBLY CUTOFF AS IT SLOWLY DRIFTS E OFF THE COAST THU AND EARLY FRI. TEMPS WILL BE MILD WED SO PTYPE WILL BE MOSTLY IN THE FORM OF RAIN XCPT IN THE MTNS WHERE A MIX WILL BE EXPECTED. NOT ALOT OF QPF IS EXPECTED WITH THE SYSTEM. BY THU ENOUGH COLD AIR WILL FILTER INTO THE SYSTEM TO CHANGE ANY PTYPE OVER TO PERIODS OF LIGHT SNOW OR A MIX WITH SOME LIGHT ACCUMS PSBL. THE LOW DRIFTS E AT A SNAILS PACE FRIDAY SO CLOUDS WILL LINGER. BY SAT A LARGE RIDGE OF HIGH PRES BECOMES DRAPED ACROSS NORTHERN NEW ENGLAND BRINGING A NICE START TO THE WEEKEND. USED THE SUPERBLEND OF MODELS FOR POPS AND TEMPS THROUGH THE OUTLOOK PERIOD. && .AVIATION /08Z SUNDAY THROUGH THURSDAY/... SHORT TERM...VFR DECK AROUND FL050 KFT WILL LIFT LATER THIS MORNING. CONDITIONS WILL BE VFR FOR THE REMAINDER OF THE PERIOD WITH LIGHT WINDS. LONG TERM...VFR CONDS EXCEPT POSSIBLE MVFR CONDS DEVELOPING WED. && .MARINE... SHORT TERM...NO FLAGS. LONG TERM...NO FLAGS. && .GYX WATCHES/WARNINGS/ADVISORIES... ME...NONE. NH...NONE. MARINE...NONE. && $$ HANES/MARINE

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