Area Forecast Discussion
Issued by NWS Portland, ME

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000 FXUS61 KGYX 281908 AFDGYX AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GRAY ME 308 PM EDT THU MAY 28 2015 .SYNOPSIS...
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SHOWERS AND THUNDERSTORMS...SOME WITH GUSTY WINDS...TORRENTIAL RAIN...AND HAIL...WILL CROSS THE AREA BY EARLY EVENING BEFORE EXITING THE COAST WITH A COLD FRONT. HIGH PRESSURE RETURNS FRIDAY AND MOVES OFF THE COAST OVER THE WEEKEND ALLOWING A WARM AND HUMID SOUTHWEST FLOW TO RETURN. ANOTHER COLD FRONT CROSSES THE REGION SUNDAY MORNING. COOL...CANADIAN HIGH PRESSURE WILL BUILD BACK OVER THE REGION EARLY NEXT WEEK.
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&& .NEAR TERM /THROUGH TONIGHT/...
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SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 7 PM THIS EVENING ALL AREAS. DAMAGING WINDS...LARGE HAIL...AND HEAVY RAIN ARE LIKELY IN STORMS. THE FRONT MOVES OFF THE COAST EARLY THIS EVENING BRINGING AN END TO ANY SHOWERS AND THUNDERSTORMS AS A COOLER AND DRIER AIRMASS MOVES INTO THE REGION.
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&& .SHORT TERM /FRIDAY THROUGH FRIDAY NIGHT/...
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A MOSTLY SUNNY DAY FRIDAY WITH HIGHS MAINLY IN THE 70S...WITH SOME LOWER 80 DEGREE READINGS POSSIBLE.
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&& .LONG TERM /SATURDAY THROUGH THURSDAY/...
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SOUTHERLY FLOW INCREASES SATURDAY AS HIGH PRESSURE SHIFTS OFFSHORE. LARGE SCALE TROUGHING SWINGS THROUGH CANADA PUSHING A COLD FRONT INTO NORTHERN NEW ENGLAND BY SUNDAY MORNING. THIS WILL BRING TEMPERATURES DOWN FROM THE 70S AND 80S THAT HAVE BEEN HAVING LATELY CLOSER TO THE MID TO UPPER 60S AS COOL CANADIAN CP AIR FILTERS IN. TEMPERATURES BEGIN TO WARM UP AGAIN BY WEDNESDAY AND THURSDAY AS LARGE SCALE RIDGING BUILDS UP AND SW WINDS SET UP.
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&& .AVIATION /19Z THURSDAY THROUGH TUESDAY/...
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SHORT TERM...LOCAL IFR CONDITIONS IN SHOWERS/STORMS THROUGH 00Z THIS EVENING...THEN VFR TONIGHT THROUGH FRIDAY. SOME PATCHY FOG POSSIBLE LATE TONIGHT. LONG TERM...FRIDAY NIGHT INTO SATURDAY MORNING SHOULD REMAIN VFR WITH CONDITIONS DETERIORATING TO MVFR OR LOWER AS A COLD FRONT MOVES THROUGH.
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&& .MARINE...
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SHORT TERM...EXPECT MARGINAL SCA CONDS AHEAD OF A COLD FRONT THROUGH MIDNIGHT TONIGHT...THEN WINDS AND SEAS BELOW SCA FOR LATE TONIGHT AND FRIDAY. LONG TERM...SCA CONDITIONS CONTINUE SATURDAY NIGHT INTO SUNDAY AFTERNOON.
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&& .FIRE WEATHER...
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WIDELY SCATTERED SHOWERS WILL GIVE ISOLATED AREAS HEAVY RAIN THIS EVENING. DRIER WEATHER ARRIVES FOR FRIDAY.
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&& .GYX WATCHES/WARNINGS/ADVISORIES...
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ME...NONE. NH...NONE. MARINE...SMALL CRAFT ADVISORY UNTIL MIDNIGHT TONIGHT ANZ150- 152-154.
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&& $$ EKSTER/HANES

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