Area Forecast Discussion
Issued by NWS Caribou, ME

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000 FXUS61 KCAR 030732 AFDCAR AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE CARIBOU ME 332 AM EDT WED JUN 3 2015 .SYNOPSIS...
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HIGH PRESSURE BUILDS TODAY AND THURSDAY. THE HIGH MOVES OFFSHORE FRIDAY AND A COLD FRONT WILL APPROACH FROM QUEBEC. HIGH PRESSURE WILL RETURN FOR THE WEEKEND.
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&& .NEAR TERM /THROUGH TONIGHT/...
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THE COLD UPPER LOW IS CURRENTLY SPINNING OVER NORTHERN AROOSTOOK COUNTY WITH AREAS OF DRIZZLE AND FOG. THE LOW WILL TRACK EASTWARD INTO NEW BRUNSWICK OVER THE NEXT SEVERAL HOURS WITH DRIZZLE ENDING EARLY THIS MORNING. RESIDUAL LOW LEVEL MOISTURE WILL LAST THROUGH MUCH OF THE DAY...RESULTING IN A CLOUDY DAY. UNSEASONABLY COOL TEMPERATURES WILL CONTINUE...BUT WILL BE SIGNIFICANTLY WARMER THAN TUESDAY. HIGHS WILL BE IN THE UPPER 50S TO LOWER 60S. HIGH PRESSURE BUILDS TONIGHT WITH CLEARING SKIES AND LIGHT WINDS. THIS RAISES THE PROSPECT OF A SHALLOW INVERSION WITH PATCHY FOG AND FROST. LOWS WILL BE IN THE MID TO UPPER 30S FOR MOST OF THE AREA. LOWS WILL BE IN THE LOWER 40S FOR THE COAST AND OUTER ISLANDS.
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&& .SHORT TERM /THURSDAY THROUGH FRIDAY NIGHT/...
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DRY WX EXPECTED THUR/THUR NGT WITH HIPRES SHIFTING OVR THE CANADIAN MARITIMES DRG THE DAY AND ALLOWING SRLY FLOW AND WAA TO KICK IN. WARMEST MAX TEMPS ON THURSDAY WL BE UP ACRS NRN ZONES WITH DOWNEAST RMNG IN THE 60S DUE TO ONSHORE FLOW. THUR NGT WL LKLY FEATURE FOG ALONG COASTAL ZONES AND POSSIBLY INTO DOWNEAST WITH ONSHORE FLOW ADVECTING IN UNDER SUBSIDENCE INVERSION. LATEST MODELS ARE COMING INTO BETTER AGREEMENT WITH FROPA BY THE END OF THE SHORT TERM. BY 18Z FRIDAY FRONTAL BNDRY LOOKS TO BE POISED TO CROSS INTERNATIONAL BORDER. INSTABILITY AND SHEAR LOOKS TO BE IN PLACE TO WARRANT MENTION OF THUNDER IN THE AFTN/EVNG HRS AHD OF FRONT. CDFNT LOOKS TO BISECT CWA BY 00Z SATURDAY AND SHUD MV WELL OFFSHORE BY END OF THE PD. CLD ADVECTION FOLLOWING FROPA WL LAG RESULTING IN MIN TEMPS BY SAT MRNG RANGING FM THE 50S ACRS INTERIOR DOWNEAST TO THE 40S ACRS THE CROWN.
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&& .LONG TERM /SATURDAY THROUGH TUESDAY/...
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SFC HIPRES BUILDS IN QUICKLY FOLLOWING FROPA WITH MODERATING TEMPS THRU THE WEEKEND. DIGGING H5 TROF WL MV THRU CANADIAN PRAIRIE PROVINCES LATE IN THE WEEKEND WITH UL RIDGING PROGGED TO DOMINATE AREA WX THRU 12Z MON. RETURN FLOW DRAWS IN SIGNIFICANT MOISTURE EARLY IN THE WEEK FOR APPCHG SYSTEM TO WORK ON.
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&& .AVIATION /07Z WEDNESDAY THROUGH SUNDAY/...
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NEAR TERM: IFR CONDITIONS DUE TO LOW CLOUDS AND DRIZZLE WILL END THIS MORNING...GIVING WAY TO MVFR CIGS. THESE CIGS WILL LIFT TO VFR THIS AFTERNOON. VFR CONDITIONS CONTINUE THROUGH TONIGHT. SHORT TERM: VFR EXPECTED THROUGH FRIDAY MORNING. A COLD FRONT WILL BRING -SHRA/-TSRA TO TERMINALS FRI AFTERNOON AND EVENING WITH POTENTIAL MVFR/IFR CONDITIONS. HIGH PRESSURE WILL BRING VFR BACK TO TERMINALS SAT MORNING.
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&& .MARINE...
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NEAR TERM: HAVE ENDED THE SCA AS SEAS HAVE FALLEN BELOW CRITERIA AND WILL REMAIN BELOW CRITERIA THROUGH TONIGHT. SHORT TERM: CONDITIONS WILL REMAIN BELOW SMALL CRAFT ADVISORY CRITERIA. AREAS OF FOG POSSIBLE THURSDAY NIGHT ALONG COASTAL WATERS.
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&& .CAR WATCHES/WARNINGS/ADVISORIES...
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ME...NONE. MARINE...NONE.
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&& $$ NEAR TERM...MCW SHORT TERM...FARRAR LONG TERM...FARRAR AVIATION...MCW/FARRAR MARINE...MCW/FARRAR

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