Area Forecast Discussion
Issued by NWS Portland, ME

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000 FXUS61 KGYX 240700 AFDGYX AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GRAY ME 300 AM EDT THU JUL 24 2014 .SYNOPSIS...
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A COLD FRONT WILL MOVE OFFSHORE THIS MORNING. HIGH PRESSURE WILL BUILD IN FROM THE WEST FRIDAY AND SATURDAY. WET WEATHER IS LIKELY SUNDAY THROUGH MONDAY AS AN UPPER LEVEL TROUGH DROPS INTO THE REGION. THE TROUGH WILL REMAIN OVER THE EASTERN U.S THROUGH MUCH OF NEXT WEEK KEEPING UNSETTLED WEATHER ACROSS THE AREA.
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&& .NEAR TERM /THROUGH TODAY/...
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COLD FNT CONTINUES TO SLOWLY EDGE OFFSHORE THIS MORNING. ALL THAT REMAINS ARE MAINLY SCT SHOWERS AT THIS HOUR. COOLER...BUT MORE NOTICEABLY DRIER...AIR WILL FILTER IN FROM THE N THRU DAYBREAK. CAA INDUCED MIXING SHOULD PREVENT ANY FOG CONCERNS THIS MORNING AS WELL. HIGH TEMPS WILL MUCH COOLER TODAY...WITH READINGS TOPPING OUT BELOW 80.
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&& .SHORT TERM /TONIGHT THROUGH 6 PM FRIDAY/...
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HIGH PRES CONTINUES TO NOSE INTO THE REGION TONIGHT. CLEAR SKIES AND WINDS BECOMING LIGHT AND VARIABLE WILL PROMOTE QUICK COOLING AFTER SUNSET. RECENT RNFL AND COOL TEMPS SHOULD LEAD TO A ROUND OF VALLEY FOG. HIGH PRES REMAINS IN CONTROL FRI...WITH TEMPS MODERATING UPWARDS A FEW DEGREES.
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&& .LONG TERM /FRIDAY NIGHT THROUGH WEDNESDAY/...
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FAIR WEATHER IS EXPECTED FRIDAY NIGHT AND SATURDAY AS A RIDGE OF HIGH PRESSURE MOVES OFF THE COAST. RETURN FLOW ON THE BACK SIDE OF THE HIGH WILL BRING WARMER TEMPERATURES AND HIGHER HUMIDITY LEVELS FOR THE DAY SATURDAY AND INTO SUNDAY. THE APPROACHING UPPER LEVEL TROUGH WILL BRING AN INCREASING THREAT OF SHOWERS AND THUNDERSTORMS DURING THE DAY SUNDAY...SUNDAY NIGHT...AND MONDAY AS SURFACE LOW PRESSURE MOVES NORTHEAST ALONG AN APPROACHING FRONTAL BOUNDARY. GREATEST CHANCES OF THUNDERSTORMS WILL BE DURING THE AFTERNOON HOURS. UPPER TROUGH REMAINS DRAPED ACROSS THE EASTERN U.S. FOR MUCH OF NEXT WEEK KEEPING THE COOL AND UNSETTLED WEATHER PATTERN IN PLACE
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&& .AVIATION /06Z THURSDAY THROUGH MONDAY/...
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SHORT TERM...CIGS CONTINUE TO IMPROVE THIS MORNING...WITH A FEW AREAS OF MVFR LEFT AND VERY ISOLD PATCHES OF IFR OR LOWER. THAT WILL CONTINUE TO BE THE TREND THRU DAYBREAK. EXPECT VFR CONDITIONS TO PREVAIL TODAY THRU FRI. EXCEPTION TO THAT RULE WILL BE TONIGHT...WHERE HIGH PRES BUILDING IN MAY PROMOTE VALLEY FOG WITH COOL TEMPS AND RECENT RNFL. LONG TERM...VFR CONDITIONS EXPECTED FRIDAY NIGHT THROUGH SUNDAY MORNING WITH SOME IFR CONDITIONS POSSIBLE IN VALLEY FOG EARLY SATURDAY AND SUNDAY MORNINGS. OCCASIONAL MVFR CONDITIONS EXPECTED SUNDAY THROUGH MONDAY IN SHOWERS AND THUNDERSTORMS WITH IFR CONDITIONS POSSIBLE IN DAYTIME THUNDERSTORMS AND OVERNIGHT PATCHY FOG.
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&& .MARINE...
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SHORT TERM...WINDS AND SEAS CONTINUE TO DECREASE THIS MORNING...SO SCA IS CANCELLED. WINDS AND SEAS WILL REMAIN BELOW SCA LEVELS THRU FRI. LONG TERM...SHOWERS AND THUNDERSTORMS EXPECTED SUNDAY THROUGH MONDAY...THEN A CHANCE OF SHOWERS OR THUNDERSTORMS THROUGH MID WEEK. WINDS EXPECTED TO REMAIN BELOW SCA CRITERIA...HOWEVER BUILDING SEAS SATURDAY NIGHT AND SUNDAY MAY REACH 4 TO 6 FEET.
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&& .GYX WATCHES/WARNINGS/ADVISORIES...
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ME...NONE. NH...NONE. MARINE...NONE.
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&& $$ NEAR TERM...LEGRO SHORT TERM...LEGRO LONG TERM...JENSENIUS AVIATION...LEGRO/JENSENIUS MARINE...LEGRO/JENSENIUS

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