Area Forecast Discussion
Issued by NWS Portland, ME

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000 FXUS61 KGYX 200826 AFDGYX AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GRAY ME 326 AM EST THU NOV 20 2014 .SYNOPSIS... LOW PRESSURE WILL PASS NORTH OF THE REGION TODAY...BEFORE EXITING INTO THE CANADIAN MARITIMES FRIDAY. AN ARCTIC AIR MASS WITH COLDER TEMPERATURES ARE EXPECTED THROUGH THE START OF THE WEEKEND. A WARM UP FOR THE END OF THE WEEKEND AND INTO NEXT WEEK AS THE MODELS DEVELOP A BROAD SOUTHERLY FLOW. .NEAR TERM /UNTIL 6 PM THIS EVENING/... A COLD FRONT WILL CROSS THE REGION TODAY BUT WITH VERY LIMITED MOISTURE. SCT SNW SHWRS ARE EXPECTED IN THE MTNS OTRW DRY DOWNSLOPING WNWLY WINDS WILL ALLOW PARTLY TO MOSTLY SUNNY CONDITIONS ELSEWHERE. TEMPS WILL REMAIN COLD AND USED A BLEND OF THE MODELS FOR MAX TEMPS. && .SHORT TERM /6 PM THIS EVENING THROUGH 6 PM FRIDAY/... A MUCH COLDER ARCTIC AIR MASS ARRIVES LATER TONIGHT AND FRIDAY MORNING WITH MORE SCT SNW SHWRS ACCOMPANYING THE COLD AIR BUT ONCE AGAIN REMAINING IN THE MTNS WHILE STRONG DOWNSLOPING WINDS KEEP CONDITIONS DRY ELSEWHERE. TEMPS WILL BECOME COLDER FRI WITH GUSTY WNWLY WINDS. ONCE AGAIN A BLEND OF MODELS FOR TEMPS. && .LONG TERM /FRIDAY NIGHT THROUGH WEDNESDAY/... THE MODELS ARE IN GENERAL AGREEMENT ON THE LONG WAVE PATTERN THROUGH THE MIDDLE OF NEXT WEEK. WE BEGIN THE PERIOD WITH THE UPPER TROUGH AND CORE OF THE COLD AIR LIFTING OUT INTO THE MARITIMES. WEAK RIDGING AND A WESTERLY FLOW ALOFT WILL ALLOW FOR MODERATING TEMPERATURES ON SATURDAY. WARM AIR ADVECTION CLOUDS AND SPOTTY LIGHT PRECIPITATION ARRIVE BY SATURDAY NIGHT AND LINGERS SUNDAY. MILD BUT INCREASINGLY UNSETTLED EARLY NEXT WEEK AHEAD OF AN EVOLVING UPPER TROUGH THAT EVENTUALLY ENCOMPASSES MUCH OF THE EASTERN TWO-THIRDS OF THE CONUS. LOW PRESSURE AND A TRAILING COLD FRONT CROSS THE AREA TUESDAY...WITH ANOTHER COLD FRONT AND SEASONAL TEMPERATURES TO FOLLOW FOR WEDNESDAY. && .AVIATION /08Z THURSDAY THROUGH MONDAY/... SHORT TERM...VFR CONDITIONS THROUGH FRI. LONG TERM... SUN...SCT MVFR PSBL IN RAIN OR SNOW SHOWERS. && .MARINE... SHORT TERM...SCAS WILL REMAIN UP DUE TO GUSTY WINDS AND SEAS TODAY AND INTO FRI MORNING. THESE CONDITIONS MAY CONTINUE RIGHT THROUGH FRI AND SCA MAY NEED TO BE EXTENDED THROUGH MOST OF FRI. LONG TERM... SAT - MON...GALES POSSIBLE...XCP SMALL CRAFT WINDS AND SEAS IN THE BAYS. && .GYX WATCHES/WARNINGS/ADVISORIES... ME...NONE. NH...NONE. MARINE...SMALL CRAFT ADVISORY UNTIL 7 AM EST FRIDAY FOR ANZ150>154. && $$

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