Area Forecast Discussion
Issued by NWS Portland, ME

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000 FXUS61 KGYX 181824 AFDGYX AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GRAY ME 224 PM EDT FRI JUL 18 2014 .SYNOPSIS... HIGH PRESSURE WILL PERSIST OVER THE REGION THROUGH MIDWEEK. SHOWERS SHOULD RETURN LATE NEXT WEEK AS A COLD FRONT APPROACHES FROM THE WEST. && .NEAR TERM /THROUGH TONIGHT/... HIGH PRES CENTERED OVER THE REGION WILL ALLOW CLEAR SKIES AND LGT WINDS TNGT. PATCHY VLY FOG EXPECTED ONCE AGAIN ALONG THE CT RIVER VLY. TEMPS WILL BE COOLER AS PER BLENDED MODEL GUID. && .SHORT TERM /SATURDAY THROUGH SATURDAY NIGHT/... HIGH PRES WILL REMAIN CENTERED OVER THE REGION. ANY EARLY MRNG FOG WILL BURN OFF BY MID MORNING. ANOTHER MOSUN DAY WITH LGT WINDS AND PLEASANT TEMPS EXPECTED. SAT NIGHT SOME INCRG CLDS EXPECTED AND MAY HELP KEEP TEMPS UP A FEW DEGS. && .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 RESTABLISH 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 /18Z FRIDAY THROUGH WEDNESDAY/... SHORT TERM...VFR. SOME VLY FOG IN THE UPR/LWR CT RIVER VLY EXPECTED ONCE AGAIN AT KLEB/KHIE 06Z-13Z. LONG TERM...VFR CONDITIONS. AFTERNOON SEA BREEZES SHOULD DEVELOP MOST AFTERNOONS. && .MARINE... SHORT TERM...HIGH PRES WITH LGT WINDS/SEAS. NO FLAGS. 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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