Area Forecast Discussion
Issued by NWS Portland, ME

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000 FXUS61 KGYX 290634 AFDGYX AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GRAY ME 234 AM EDT FRI AUG 29 2014 .SYNOPSIS...
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HIGH PRESSURE WILL CREST ACROSS THE AREA TODAY BEFORE SLIDING OFFSHORE TONIGHT AND SATURDAY. A COLD FRONT WILL APPROACH FROM THE NORTH ON SUNDAY...BEFORE STALLING OVER THE REGION ON MONDAY. ANOTHER COLD FRONT WILL APPROACH FROM THE WEST TUESDAY AND WILL CROSS THE REGION WEDNESDAY. HIGH PRESSURE WILL FOLLOW LATE IN THE WEEK.
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&& .NEAR TERM /THROUGH TODAY/...
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AT 06Z...A 1022 MILLIBAR HIGH WAS DRAPED ACROSS THE EASTERN GREAT LAKES. OUTSIDE OF A FEW LINGERING LOW CLOUDS ACROSS THE MOUNTAINS...GOES IMAGERY SHOWED CLEAR SKIES ACROSS THE FORECAST AREA. EXPECT SOME PATCHY VALLEY FOG THIS MORNING IN AREAS WITHOUT LINGERING LOW CLOUD. OTHERWISE...THE CLOUDS ACROSS THE MOUNTAINS SHOULD DISSIPATE AS THE SURFACE HIGH BUILDS EASTWARD INTO THE REGION. A LIGHT SYNOPTIC FLOW SHOULD TURN ONSHORE BY AFTERNOON ALONG THE COAST. HIGHS TODAY WILL BE IN THE 70S WITH COMFORTABLE HUMIDITY LEVELS.
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&& .SHORT TERM /TONIGHT THROUGH 6 PM SATURDAY/...
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ANOTHER MAINLY CLEAR AND COOL NIGHT UNDER THE CRESTING SURFACE HIGH...WITH LOWS RANGING FROM THE MID 40S TO THE LOWER 50S. WE SHOULD SEE SOME EARLY MORNING VALLEY FOG AS WELL. ON SATURDAY...A SUNNY START AS THE HIGH SLIDES OFFSHORE WITH SOME INCREASING CLOUDS BY LATE IN THE DAY AHEAD OF THE NEXT DISTURBANCE. HIGH TEMPERATURES WILL ONCE AGAIN BE IN THE 70S WITH COMFORTABLE HUMIDITY LEVELS.
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&& .LONG TERM /SATURDAY NIGHT THROUGH THURSDAY/...
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THE 00Z MODEL SUITE IS STILL IN SOME DISAGREEMENT AS TO THE LOCATION OF A FRONTAL SYSTEM LATE IN THE HOLIDAY WEEKEND. PREFER THE EURO/GFS AND ENSEMBLE SOLUTIONS WHICH DEPICTS A COLD FRONT MOVING SOUTH ON SUNDAY BEFORE BECOMING HUNG UP AND STALLING OVER SOUTHERN AREAS ON MONDAY. EXPECT SCATTERED SHOWERS BOTH DAYS AS EXIT OUR DRY PERIOD OVER THE LAST SEVERAL DAYS. ISOLATED THUNDERSTORMS ARE POSSIBLE AS WELL. YET ANOTHER SLOW MOVING FRONT WILL APPROACH FROM THE WEST ON TUESDAY...TRIGGERING MORE SCATTERED PRECIPITATION THROUGH WEDNESDAY MORNING. HIGH PRESSURE WILL BUILD INTO THE REGION LATER IN THE WEEK...WITH A RETURN TO MODERATING TEMPERATURES.
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&& .AVIATION /06Z FRIDAY THROUGH TUESDAY/...
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.SHORT TERM...VFR THROUGH SAT...EXCEPT EXPECT SOME FOG IN RIVER VALLEYS EARLY TODAY THEN AGAIN EARLY SAT. .LONG TERM...LOCALLY MVFR CONDITIONS IN SCATTERED SHOWERS OR ISOLATED THUNDERSTORMS DURING THE EARLY TO MID NEXT WEEK PERIOD.
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&& .MARINE...
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.SHORT TERM... WINDS WILL REMAIN BLO SCA CRITERIA THROUGH SAT...BUT DEEP WATER SWELLS WILL CONTINUE TO MOVE INTO THE REGION INTO THE DAY ON FRI...SO WILL CONTINUE THE SCA FOR SEAS OVER THE ERN OUTER WATERS THROUGH THIS MORNING. THE SWELLS WILL SLOWLY SUBSIDE BLO SCA CRITERIA LATER TODAY. .LONG TERM...WINDS AND SEAS GENERALLY BELOW SCA LEVELS.
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&& .GYX WATCHES/WARNINGS/ADVISORIES...
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ME...NONE. NH...NONE. MARINE...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS UNTIL 2 PM EDT THIS AFTERNOON FOR ANZ150-152.
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&& $$ SCHWIBS/CANNON

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