Area Forecast Discussion
Issued by NWS Portland, ME

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FXUS61 KGYX 110651
AFDGYX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GRAY ME
251 AM EDT FRI JUL 11 2014

.SYNOPSIS...
HIGH PRESSURE WILL BUILD INTO NEW ENGLAND TODAY AND TONIGHT THEN
SLIDE OFF THE COAST ON SATURDAY. A WARM FRONT WILL CROSS THE AREA
SUNDAY NIGHT WITH A HOT HUMID AIRMASS TO FOLLOW FOR MONDAY AND
TUESDAY IN ADVANCE OF A SLOW-MOVING COLD FRONT. THE COLD FRONT IS
EXPECTED TO EXIT THE COAST BY LATE WEDNESDAY.

&&

.NEAR TERM /THROUGH TODAY/...
HIGH PRESSURE DOMINATES TODAY AS IT BUILDS INTO NEW ENGLAND. THIS
WILL PROVIDE MOSTLY SUNNY SKIES...LGT WINDS...SEASONABLE TEMPS
WITH HIGHS MOSTLY IN THE 70S...WITH SOME SRN INLAND AREAS REACHING
80 AND LOW HUMIDITY. THE LGT WINDS WILL ALLOW A SEA BREEZE TO
DEVELOP ALONG THE COAST WHICH WILL COOL OFF TEMPS THIS AFTERNOON
THUS RESULTING IN SLIGHTLY COOLER HIGH TEMPS FOR THE DAY. SOME
CLOUDS, MAINLY HIGH CIRRUS CLOUDS, MOVING ACROSS COASTAL AND SOME
ADJACENT INTERIOR AREAS EARLY THIS MORNING. THESE CLOUDS ARE
ASSOCIATED WITH AN UPPER LVL TROF AND SFC LOW/FNT TO OUR S. THIS
WX SYSTEM WILL BE PUSHING TO THE E OUT TO SEA TODAY BRINGING THIS
BAND OF CLOUDS WITH IT. USED A BLEND OF MODELS AND MOS GUIDANCE
FOR THE NEAR TERM FCST.

&&

.SHORT TERM /TONIGHT THROUGH 6 PM SATURDAY/...
HIGH PRESSURE REMAINS OVER NEW ENGLAND TNGT GIVING US CLR TO
MOSTLY CLR SKIES AND LGT WINDS. SOME VALLEY F MAY FORM LATE BUT
WITH ANOTHER DAY TO DRY OUT AND WITH LOW DEW POINTS IN A DRY AIR
MASS DON`T EXPECT F TO BE TOO WIDESPREAD OR TOO DENSE. THE HIGH
SLIDES OFFSHORE ON SATURDAY BUT KEEPS US DRY WITH MOSTLY SUNNY
SKIES. TEMPS MODIFY AS 850 MB TEMPS WARM UP WHICH SHOULD GIVE US A
WARMER DAY WITH HIGHS IN THE UPPER 70S TO LOWER 80S...POSSIBLY
HITTING THE MID 80S OVER SRN INTERIOR AREAS. A RETURN SOUTHERLY
FLOW AROUND THE HIGH WILL COMBINE WITH A SEA BREEZE TO KEEP THE
COAST COOLER THAN INTERIOR AREAS WITH HIGHS IN THE 70S. THE COOL
OCEAN AIR WILL EVENTUALLY SPREAD NWD INTO INTERIOR SECTIONS OF SRN
AND CENTRAL MAINE...BUT NOT SOON ENOUGH TO IMPACT MAX TEMPS FOR
THE DAY. USED A BLEND OF MODELS AND MOS GUIDANCE FOR THE SHORT
TERM FCST.

&&

.LONG TERM /SATURDAY NIGHT THROUGH THURSDAY/...
THE MODELS ARE IN GENERAL AGREEMENT ON THE LONGWAVE PATTERN
WELL INTO NEXT WEEK. WE BEGIN THE PERIOD WITH A WEST-SOUTHWEST
UPPER FLOW THAT INTRODUCES A BRIEF WARM UP ALONG WITH RISING
HUMIDITY LEVELS...FOLLOWED QUICKLY BY AN EASTERN TROUGH AND COOLER
UNSETTLED WEATHER. IN THE DAILIES...HIGH PRESSURE WILL RETREAT
INTO THE MARITIMES ON SUNDAY. A WARM FRONT WILL CROSS THE AREA
SUNDAY NIGHT WITH A HOT HUMID AIRMASS TO FOLLOW FOR MONDAY AND
TUESDAY IN ADVANCE OF A SLOW-MOVING COLD FRONT. THE COLD FRONT IS
EXPECTED TO EXIT THE COAST BY LATE WEDNESDAY.


&&

.AVIATION /06Z FRIDAY THROUGH TUESDAY/...
SHORT TERM /THROUGH SATURDAY/...VFR AS HIGH PRESSURE DOMINATES.
SOME VALLEY F POSSIBLE THRU EARLY THIS MORNING BUT WITH LIMITED
IMPACT ON TAF SITES...MAINLY LEB AND CON. LGT WINDS ALLOW A SEA
BREEZE TO DEVELOP THIS AFTERNOON FOR COASTAL TAF SITES. ONSHORE
FLOW AROUND SFC HIGH TO THE E WILL BE ENHANCED BY THE SEA BREEZE
ON SATURDAY...IMPACTING COASTAL TAF SITES THEN WORKING INLAND
TOWARDS AUG.

LONG TERM...

SUN...IFR IN COASTAL FOG POSSIBLE SUN AM. SCT MVFR IN PM SHOWERS
      AND TSTMS.

MON - TUE...IFR IN COASTAL AM FOG...OTHERWISE AREAS OF MVFR IN
            SHOWERS AND TSTMS.

&&

.MARINE...
SHORT TERM /TODAY THROUGH SATURDAY/...HIGH PRESSURE BUILDS INTO
NEW ENGLAND TODAY AND TNGT THEN MOVES OFFSHORE SATURDAY KEEPING
WINDS AND SEAS WELL BELOW SCA LEVELS. A SEA BREEZE DEVELOPS FOR
THIS AFTERNOON. ONSHORE FLOW AROUND DEPARTING HIGH WILL BE
ENHANCED BY A SEA BREEZE ON SATURDAY.

LONG TERM...

SUN - TUE...SMALL CRAFT WINDS AND SEAS ARE POSSIBLE.

&&

.GYX WATCHES/WARNINGS/ADVISORIES...
ME...NONE.
NH...NONE.
MARINE...NONE.

&&

$$







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