Area Forecast Discussion
Issued by NWS Portland, ME

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000 FXUS61 KGYX 182248 AFDGYX AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GRAY ME 648 PM EDT FRI JUL 18 2014 .SYNOPSIS... HIGH PRESSURE WILL PERSIST OVER THE REGION THROUGH MIDWEEK AS LOW PRESSURE OVER THE ATLANTIC TRACKS WELL OFF THE COAST. SHOWERS SHOULD RETURN LATE NEXT WEEK AS A COLD FRONT APPROACHES FROM THE WEST. && .NEAR TERM /UNTIL 6 AM SATURDAY MORNING/... WILL UPDATE TO INPUT THE LATEST OBSERVED DATA RESULTING IN NO REAL CHANGES TO THE PREVIOUS FCST. HIGH PRES CENTERED OVER THE REGION WILL ALLOW CLEAR SKIES AND LGT WINDS TNGT. PATCHY VALLEY FOG EXPECTED ONCE AGAIN ALONG THE CT RIVER VALLEY. TEMPS WILL BE COOLER AS PER BLENDED MODEL GUIDANCE. && .SHORT TERM /6 AM SATURDAY MORNING THROUGH SATURDAY NIGHT/... UPDATED TO ADD A SEA BREEZE TO THE COASTAL WATERS FOR SATURDAY AFTERNOON. HIGH PRES WILL REMAIN CENTERED OVER THE REGION. ANY EARLY MORNING FOG WILL BURN OFF BY MID MORNING. ANOTHER MOSTLY SUNNY DAY WITH LGT WINDS AND PLEASANT TEMPS EXPECTED. SAT NIGHT SOME INCREASING CLOUDS EXPECTED AND MAY HELP KEEP TEMPS UP A FEW DEG. && .LONG TERM /SUNDAY THROUGH FRIDAY/... SOME CLOUDINESS WILL SPILL INTO THE REGION FROM A WEAK LOW PRESSURE SYSTEM OUT OVER THE OPEN ATLANTIC WATERS SUNDAY INTO MONDAY. A FEW SHOWERS MAY APPROACH THE COASTLINE WITH A SECOND SET OF LIGHT PRECIP OVER THE ELEVATED HIGHER TERRAIN IN THE WESTERN MOUNTAINS OF MAINE. BY MONDAY NIGHT AND TUESDAY...HIGH PRESSURE WILL REESTABLISH ITSELF OVER THE NORTHEAST. THEREAFTER...LOW PRESSURE WILL TRAVEL ALONG A FRONTAL SYSTEM TO OUR NORTH AND WEST ON WEDNESDAY. EXPECT LATE DAY SHOWERS AND THUNDERSTORMS TO DEVELOP AS A LARGE SCALE...UPPER LEVEL TROUGH APPROACHES. THE HIGHEST CHANCE FOR PRECIP WILL BE OVER NORTHERN AREAS. ALL MODELS WITHIN THE 12Z MODEL SUITE CONTINUE TO SHOW THE UPPER LEVEL TROUGH DIGGING WITH TIME OVER NEW ENGLAND WEDNESDAY NIGHT AND THURSDAY. THIS WILL SLOW THE PROCESS FOR THE SYSTEM TO EXIT THE REGION. IN FACT...THE UPPER LEVEL TROUGH WILL LIKELY TRIGGER A FEW MORE WIDELY SCATTERED SHOWERS AS IT FINALLY DEPART ON FRIDAY. THIS WILL ALLOW FOR ANOTHER DRY WEEKEND NEXT WEEK WITH LARGE DIURNAL RANGES IN TEMPERATURES. && .AVIATION /00Z SATURDAY THROUGH WEDNESDAY/... SHORT TERM /THROUGH SATURDAY NIGHT/...VFR...EXCEPT SOME VALLEY FOG IN THE CT RIVER VALLEY EXPECTED ONCE AGAIN AT KLEB/KHIE ROUGHLY 06Z-13Z TNGT. SEA BREEZE SHOULD DEVELOP ALONG THE COAST SATURDAY AFTERNOON AFFECTING KPWM...KPSM AND KRKD. LONG TERM...VFR CONDITIONS. AFTERNOON SEA BREEZES SHOULD DEVELOP MOST AFTERNOONS. && .MARINE... SHORT TERM /TONIGHT THROUGH SATURDAY NIGHT/...WILL UPDATE TO INPUT THE LATEST OBSERVED DATA RESULTING IN RAISING WINDS THIS EVE AND LOWERING SEAS JUST A BIT TNGT AND SATURDAY. WILL ALSO ADD THAT SEAS OVERNIGHT ARE PARTLY DUE TO SWELLS AS INDICATED BY PERIOD OF WAVES. OTHERWISE HIGH PRES WITH LOW PRES PASSING WELL OFFSHORE THRU THE SHORT TERM FCST PERIOD SHOULD RESULT IN WINDS AND SEAS BELOW SCA LEVELS. LONG TERM...NO FLAGS ON THE WATERS WITH HIGH PRESSURE IN PLACE. && .GYX WATCHES/WARNINGS/ADVISORIES... ME...NONE. NH...NONE. MARINE...NONE. && $$

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