Area Forecast Discussion
Issued by NWS Portland, ME

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000 FXUS61 KGYX 011930 AFDGYX AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GRAY ME 330 PM EDT MON JUN 1 2015 .SYNOPSIS...
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PERIODS OF RAIN WILL GRADUALLY TAPER TO A FEW SHOWERS ON TUESDAY...AS LOW PRESSURE SLIDES OFFSHORE TO OUR SOUTH. HIGH PRESSURE WILL BUILD IN FROM THE WEST TUESDAY NIGHT THROUGH WEDNESDAY...SHIFTING OFFSHORE WEDNESDAY NIGHT. HIGH PRESSURE WILL HOLD OFF THE COAST ON THURSDAY. A COLD FRONT WILL DROP SOUTH FROM CANADA ON FRIDAY AND WILL PUSH OFFSHORE FRIDAY NIGHT. HIGH PRESSURE WILL BUILD IN FROM THE NORTHWEST ON SATURDAY AND WILL SHIFT OFFSHORE ON SUNDAY.
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&& .NEAR TERM /THROUGH TONIGHT/...
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THE SURFACE HIGH OVER THE MARITIMES BRIEFLY NOSED INTO OUR FAR NORTHERN MAINE ZONES TODAY...OTHERWISE WE WERE STUCK IN A DAMP AND RAW NORTHEAST FLOW ACROSS THE FORECAST AREA...WITH OCCASIONAL LIGHT RAIN OR DRIZZLE. TEMPERATURES RANGED FROM MID 40S TO LOWER 50S ACROSS THE REGION...A GOOD TWENTY TO TWENTY FIVE DEGREES BELOW AVERAGE FOR THE DATE. THE LAST IN A SERIES OF SHORTWAVES IS OVER THE EASTERN GREAT LAKES AND WILL RACE EAST AND APPROACH THE REGION OVERNIGHT. RAIN WILL ONCE AGAIN INCREASE IN COVERAGE AND INTENSITY TONIGHT...NORTH OF THE STALLED BOUNDARY SITUATED TO THE SOUTH AND SOUTHEAST OF THE AREA. MODELS HAVE ZEROED IN ON THE AXIS OF HEAVIEST QPF TO THE SOUTH OF THE FORECAST AREA...ALTHOUGH EXTREME SOUTHEAST NEW HAMPSHIRE INTO SOUTHERN YORK COUNTY MAINE COULD SEE AN ADDITIONAL ONE TO ONE AND ONE-HALF INCHES OVER THE NEXT 24 HOURS. ELSEWHERE...AMOUNTS SHOULD BE GENERALLY UNDER AN INCH. THERE COULD BE SOME PONDING OF WATER AND BRIEF LOCALIZED DRAINAGE FLOODING WITH THE HEAVIER RAIN LATER TONIGHT...BUT NO SIGNIFICANT HYDRO ISSUES ARE ANTICIPATED.
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&& .SHORT TERM /TUESDAY THROUGH TUESDAY NIGHT/...
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EXPECT RAIN TO TAPER TO SHOWERS TOMORROW AS THE SURFACE LOW SLIDES OFFSHORE WELL TO OUR SOUTH AND EAST ALONG WITH THE BEST FORCING. HOWEVER...CLOUDS AND AREAS OF DRIZZLE WILL PERSIST THROUGH THE DAY IN COOL NORTHEAST FLOW. ONCE AGAIN TEMPERATURES WILL REMAIN WELL BELOW NORMAL WITH HIGHS ONLY REACHING THE UPPER 40S TO MID 50S. GRADUAL CLEARING IN ALL BUT MOUNTAIN SECTIONS TUESDAY NIGHT AS HIGH PRESSURE BEGINS TO BUILD INTO THE AREA. IT`LL BE SEASONABLY COOL WITH LOWS RANGING FROM THE UPPER 30S TO MID 40S WITH PATCHY VALLEY FOG ACROSS THE INTERIOR.
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&& .LONG TERM /WEDNESDAY THROUGH SUNDAY/...
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THE PATTERN IS INDICATING THE RECORD WARM WEATHER OF MAY WILL NOT BE RETURNING ANYTIME SOON. RIDGING RETURNS FOR WEDNESDAY AND THURSDAY WITH DRY AND SEASONABLE TEMPERATURES. BY FRIDAY ANOTHER CANADIAN CLIPPER WITH AN ASSOCIATED COLD FRONT DROPS SOUTHEAST THROUGH THE AREA ALLOWING SCATTERED SHOWERS TO DEVELOP AND CONTINUE INTO FRIDAY NIGHT. BY SATURDAY COOL CANADIAN HIGH PRESSURE SETTLES OVER THE AREA BRINGING A RETURN TO SUNNY BUT COOL CONDITIONS. ON SUNDAY THE HIGH MOVES OFF THE COAST ALLOWING AN ONSHORE FLOW TO DEVELOP AND KEEP TEMPERATURES SEASONABLE. THE MODELS SHOW THE NEXT SYSTEM ROTATING NORTHEAST AND SHOULD BRING MORE RAIN TO THE AREA EARLY NEXT WEEK. GENERALLY STAYED VERY CLOSE TO THE SUPERBLEND.
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&& .AVIATION /19Z MONDAY THROUGH SATURDAY/...
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SHORT TERM...IFR/LIFR CEILINGS AND MVFR TO IFR VSBY WILL PERSIST THROUGH TUESDAY...WITH VFR RETURNING TUE NIGHT FOLLOWED BY SCT MVFR IN LATE NIGHT VALLEY FOG. LONG TERM...VFR THROUGH THURSDAY NIGHT. CONDITIONS MVFR FRIDAY INTO FRIDAY NIGHT IN SCATTERED SHOWERS ALONG AND AHEAD OF AN APPROACHING COLD FRONT. CONDITIONS RETURN TO VFR SATURDAY.
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&& .MARINE...
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SHORT TERM...CONTINUING SCA`S THROUGH TUESDAY OUTSIDE THE BAYS IN PERSISTENT NE FLOW. LONG TERM...SEAS/WINDS WILL REMAIN BELOW SCA CRITERIA THROUGH FRIDAY. WINDS MAY BRIEFLY APPROACH SCA SATURDAY BEHIND THE PASSAGAE OF A COLD FRONT.
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&& .FIRE WEATHER...
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NO FIRE ISSUES THROUGH WEDNESDAY.
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&& .GYX WATCHES/WARNINGS/ADVISORIES...
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ME...NONE. NH...NONE. MARINE...SMALL CRAFT ADVISORY UNTIL 6 PM EDT TUESDAY FOR ANZ150-152-154.
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&& $$ SCHWIBS/MARINE

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