Area Forecast Discussion
Issued by NWS Portland, ME

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000 FXUS61 KGYX 241858 AFDGYX AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GRAY ME 258 PM EDT FRI APR 24 2015 .SYNOPSIS...
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LOW PRESSURE WILL MEANDER OVER THE THE MAINE AND NEW BRUNSWICK THROUGH THE WEEKEND AND INTO EARLY NEXT WEEK. IT WILL PRODUCE COOL AND UNSETTLED WEATHER. THE LOW PRESSURE WILL SHIFT OFFSHORE TUESDAY...WITH HIGH PRESSURE BUILDING IN ON WEDNESDAY. ANOTHER LOW MOVES IN FROM THE SOUTHWEST LATE NEXT WEEK.
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&& .NEAR TERM /THROUGH TONIGHT/...
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CLOSED UPPER LOW WILL CONTINUE MEANDER OVER NORTHERN NEW ENGLAND OVERNIGHT AND INTO SATURDAY. NEXT IN A SERIES OF WEAK DISTURBANCES WILL SETTLE INTO NORTHERN ZONES OVERNIGHT WITH SNOW LIKELY IN THE MOUNTAINS. COULD SEE AN INCH OR TWO OF WET SNOW...ESPECIALLY IN THE HIGHER TERRAIN. DOWNWIND OF THE MOUNTAINS FROM EASTERN NEW HAMPSHIRE THROUGH SOUTHWEST MAINE VARIABLE CLOUDINESS WILL PREVAIL. EXPECT MUCH OF THE CONNECTICUT VALLEY AND WEST CENTRAL NEW HAMPSHIRE TO REMAIN MOSTLY CLOUDY. LOWS WILL RANGE FROM THE UPPER 20S TO MID 30S FROM NORTH TO SOUTH.
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&& .SHORT TERM /SATURDAY THROUGH SATURDAY NIGHT/...
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WEAK SURFACE TROUGH FORECAST TO DROP SOUTH FROM THE MOUNTAINS SATURDAY MORNING. ANY MORNING SUN WILL QUICKLY GIVE WAY TO MOSTLY CLOUDY SKIES WITH SCATTERED RAIN OR SNOW SHOWERS. EXPECT THIS ACTIVITY TO DIE OUT IN THE AFTERNOON AS THE TROUGH PUSHES OFFSHORE. HIGH TEMPS WILL RANGE FROM THE MID 40S NORTH TO THE MID 50S SOUTH. SKIES WILL ONCE AGAIN REMAIN MOSTLY CLOUDY IN THE NORTH WITH VARIABLE CLOUDINESS ELSEWHERE SATURDAY NIGHT. LOW TEMPS WILL RANGE THROUGH THE 30S.
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&& .LONG TERM /SUNDAY THROUGH FRIDAY/...
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500 MB DOUBLE BARREL CLOSED LOW WILL BE SITUATED ACROSS THE NERN CONUS AND MARITIMES ON SUNDAY...AND WILL GO THROUGH SEVERAL FUJIWARA WOBBLES AS IT SHIFTS SLOWLY EWD THRU THE MIDDLE OF NEXT WEEK. THIS WILL KEEP US IN COOL AND UNSETTLED CONDS THROUGH TUESDAY...WITH MAXES RUNNING 5-10 F BLO NORMAL THROUGH TUE. ON WAVE WILL BE PUSHING FROM NE-SW AROUND THE UPPER LOW ON SUN MORNING...AND THIS WILL BRING A CHANCE FOR SHRA DURING THE DAY SUNDAY. MODELS SEEM TO BE AGREE THAT A MORE SIGNIFICANT WAVE...WHICH CLOSED OFF OFF THE EASTERN SIDE OF THE 500MB LOW AND DRAGS IT SWD OUT OF THE MARITIMES AND INTO ERN ME MON INTO MON NIGHT. THIS LOOKS TO BE THE BEST TIMEFRAME FOR MORE WIDESPREAD SHRA...ALTHOUGH THE GFS/EURO/CMC STILL VARYING BY ABOUT 12 HOURS OR SO. BY WED...GFS/EURO START TO BUILD SOME RIDGING INTO THE AREA FOR THE MIDDLE OF THE WEEK...SO MAY SEE MORE SUN AND SEASONABLY MILD TEMPS BY THEN. ANOTHER TROUGH DIGS SWD TOWARD THE END OF NEXT WEEK...AND COULD PRODUCE SOME SHRA AGAIN BY FRI...ALTHOUGH THIS SYSTEM MAY BE MORE PROGRESSIVE AND MOVE THRU QUICKLY.
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&& .AVIATION /18Z FRIDAY THROUGH WEDNESDAY/...
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SHORT TERM...VFR TONIGHT THROUGH SATURDAY NIGHT WITH AREAS OF MVFR CEILINGS/VSBY IN THE MOUNTAINS. LONG TERM...VFR...WITH PERIODS OF MVFR IN SHRA SUN AND SUN NIGHT. LOOKS LIKE PREDOMINANT MVFR...WITH OCCNL IFR MON INTO MON NIGHT IN MORE WIDESPREAD SHRA. SOME MVFR CONDS MAY LINGER INTO TUE...WITH VFR EXPECTED TUE NIGHT AND WED.
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&& .MARINE...
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SHORT TERM...NO FLAGS. LONG TERM...MOSTLY QUIET ON THE WATERS. COULD SE WINDS BRIEFLY APPROACH SCA TUE INTO TUE NIGHT.
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&& .FIRE WEATHER...
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COOL WEATHER WITH SCATTERED RAIN OR SNOW SHOWERS AND MODERATE RELATIVE HUMIDITIES WILL CONTINUE INTO THE WEEKEND.
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&& .GYX WATCHES/WARNINGS/ADVISORIES... ME...NONE. NH...NONE. MARINE...NONE. && $$

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