Area Forecast Discussion Issued by NWS Portland, ME
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FXUS61 KGYX 152044
AFDGYX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GRAY ME
444 PM EDT SAT JUN 15 2013
.SYNOPSIS...
HIGH PRESSURE WILL BUILD EASTWARD TO THE SOUTH OF THE REGION
TONIGHT AS A WEAK COLD FRONT PUSHES INTO THE MOUNTAINS FROM THE
NORTH. LOW PRESSURE WILL MOVE EAST ALONG THE FRONTAL BOUNDARY
SUNDAY AFTERNOON AND NIGHT. A COLD FRONT WILL CROSS THE AREA
MONDAY NIGHT AND TUESDAY. HIGH PRESSURE BUILDS IN FOR THE MIDDLE
AND LATTER PART OF THE WEEK.
&&
.NEAR TERM /UNTIL 6 AM SUNDAY MORNING/...
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UPDATE...
HAVE UPDATED GRIDS TO MAKE A FEW MINOR ADJUSTMENTS TO THE
FORECAST. SEA BREEZE CONTINUES TO COOL OFF THE COAST AND ALLOW FOR
BREEZY CONDS ALONG THE SHORELINE. MEANWHILE...AC ARE PUSHING SE
OVER THE INTERIOR. THESE CLOUDS SHOULD DISSIPATE AROUND SUNSET
THIS EVENING.
PREV DISC...
A WEAK COLD FRONT WILL MOVE INTO THE MOUNTAINS TONIGHT.
AHEAD OF THIS BOUNDARY THERE`S A SLIGHT CHANCE OF A SHOWER IN THE
MOUNTAINS THIS EVENING...OTHERWISE SKIES SHOULD BE CLEARING ACROSS
THE AREA OVERNIGHT WITH TEMPS FALLING INTO THE 40S TO LOWER 50S.-- End Changed Discussion --
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.SHORT TERM /6 AM SUNDAY MORNING THROUGH SUNDAY NIGHT/...
CLOUDS WILL BE ON THE INCREASE LATE SUNDAY MORNING AS A TROUGH
APPROACHES FROM THE WEST. THIS WILL BRING THE THREAT OF SHOWERS
TO WESTERN AREAS BY MID-AFTERNOON...WITH THE THREAT SPREADING
EASTWARD DURING THE REMAINDER OF THE AFTERNOON AND EVENING. ALTHOUGH
CAN`T RULE OUT AN ISOLATED THUNDERSTORM...THE ATMOSPHERE IS
FORECAST TO BE FAIRLY STAPLE. TEMPS SHOULD REACH THE MID 60S IN
THE MOUNTAINS TO 70S ELSEWHERE. THE TROUGH SWINGS THROUGH THE AREA
SUNDAY NIGHT WITH THE THREAT OF SHOWERS DIMINISHING BY MORNING.
&&
.LONG TERM /MONDAY THROUGH SATURDAY/...
MONDAY MORNING STARTS WITH ZONAL FLOW ALOFT OVER NORTHERN NEW
ENGLAND AND A WEAK SURFACE LOW JUST NORTH OF THE GREAT LAKES. AS
AN UPPER LEVEL LOW OVER JAMES BAY BEGINS TO DROP SOUTHWARD ON
MONDAY THE SURFACE LOW WILL BEGIN TO INTENSIFY. THE FLOW APPEARS
TO BE FAIRLY FAST SO IT IS STILL QUESTIONABLE WHETHER OR NOT IT
WILL BE STRONG ENOUGH TO BRING US SOME PRECIPITATION. THE BEST
CHANCE LOOKS TO BE OVER THE MOUNTAINS. A WEAK COLD FRONT MOVES
THROUGH ON TUESDAY...BUT WILL LIKELY BRING LITTLE IN THE WAY OF
WEATHER. HIGH PRESSURE THEN BUILDS OVER THE REGION FOR THE
REMAINDER OF THE FORECAST PERIOD.
&&
.AVIATION /21Z SATURDAY THROUGH THURSDAY/...
SHORT TERM...VFR CONDITIONS TONIGHT AND SUNDAY MORNING. MVFR
CONDITIONS POSSIBLE SUNDAY AFTERNOON AND NIGHT...IMPROVING TOWARD MORNING.
LONG TERM...
THERE COULD BE SOME MVFR CONDITIONS IN SHOWERS AND THUNDERSTORMS
MONDAY EVENING AND OVERNIGHT AS LOW PRESSURE PASSES TO THE NORTH
OF THE REGION. EXPECT VFR CONDITIONS FOR THE REMAINDER OF THE
PERIOD.
&&
.MARINE...
SHORT TERM...WINDS AND SEAS SHOULD REMAIN BELOW SCA CRITERIA
THROUGH SUNDAY NIGHT.
LONG TERM...NO FLAGS EXPECTED.
&&
.GYX WATCHES/WARNINGS/ADVISORIES...
ME...NONE.
NH...NONE.
MARINE...NONE.
&&
$$