Area Forecast Discussion
Issued by NWS Portland, ME

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000 FXUS61 KGYX 081943 AFDGYX AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GRAY ME 343 PM EDT TUE JUL 8 2014 .SYNOPSIS...
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A COLD FRONT WILL APPROACH FROM THE WEST TONIGHT...AND WILL SET OFF SOME SCATTERED SHOWERS AND THUNDERSTORMS. THE FRONT WILL SLOWLY CROSS THE REGION ON WEDNESDAY. LESS HUMID HIGH PRESSURE BUILDS IN BEHIND THE FRONT THURSDAY THROUGH SATURDAY. WARMER AND MORE HUMID AIR MOVES IN SUNDAY. AN UPPER LEVEL TROUGH PASSES TO OUR NORTH EARLY NEXT WEEK AND WILL BEING A THREAT OF SHOWERS AND THUNDERSTORMS.
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&& .NEAR TERM /UNTIL 6 AM WEDNESDAY MORNING/...
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SCATTERED SHOWERS AND THUNDERSTORMS FOR THE REMAINDER OF THE AFTERNOON AND EARLY EVENING IN THE WARM UNSTABLE AIR. ACTIVITY WILL DECREASE AFTER SUNSET. THE COLD FRONT WILL MOVE INTO WESTERN ZONES AFTER MIDNIGHT AND WILL SEE A LINE OF SHOWERS AND THUNDERSTORMS WITH IT AS INDICATED BY THE HRRR. HOWEVER THIS LINE WEAKENS QUICKLY AS IT MOVES EAST AND WILL LIKELY NOT MAKE IT TOO FAR EAST. THE COLD FRONT SLOWS TO A CRAWL BY 12Z. ANOTHER WARM AND HUMID NIGHT IN STORE WITH DEW POINTS IN THE MID AND UPPER 60S.
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&& .SHORT TERM /6 AM WEDNESDAY MORNING THROUGH WEDNESDAY NIGHT/...
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COLD FRONT STALLS NEAR THE COAST AND EXPECT THIS WILL RESULT IN SCATTERED SHOWERS AND THUNDERSTORMS DURING THE DAY. A SECONDARY FRONT WILL MOVE IN WEDNESDAY NIGHT AND SWEEP THE HIMIDITY OFF SHORE. LOW TEMPERATURES WEDNESDAY NIGHT WILL DROP INTO THE 50S.
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&& .LONG TERM /THURSDAY THROUGH MONDAY/...
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WEAKLY AMPLIFIED FLOW AT 500 MB...WITH JET OVER CWA WILL PERSISTS THURSDAY INTO SATURDAY...WITH SFC HIGH SLOWLY TRAVERSING THE CWA FROM W TO E DURING. THIS WILL MAKE FOR A FAIR A FAIR...DRY AND COMFORTABLE PERIOD WITH SEASONABLE TEMPS /HIGHS UPPER 70S TO LOW 80S AND MINS IN THE 50S/ AND TDS IN THE 50S. 500MB TROUGH STARTS TO DIG TO OUR WEST BY SUNDAY...AND WILL SEE AN INCREASE IN MOISTURE. COULD ALSO SEE A FEW SHRA/TSRA DEVELOPING ON WAA...LATE SAT NIGHT INTO SUN. BETTER CHC OF SHRA/TSRA WILL BE EARLY NEXT WEEK AS THE TROUGH DEEPENS AND SHIFTS EWD. MODELS DIFFER ON DEPTH OF THE TROUGH AND TIMING...BUT SHOULD SEE A COLD FRONT CLEAR THE AREA BY TUE OR WED.
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&& .AVIATION /19Z TUESDAY THROUGH SUNDAY/...
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SHORT TERM...EXPECT SOME IFR IN THUNDER/SHOWERS AND FOG THIS EVENING AND OVERNIGHT. EXPECT VFR WEDNESDAY WITH CHANCE MVFR/IFR IN ANY SHOWER/THUNDER. VFR EXPECT WEDNESDAY NIGHT. LONG TERM...VFR THU THROUGH SAT...OTHER THAN SOME NIGHTTIME VLY FOG...THE BEST CHC IS SAT NIGHT. SOME SCT SHRA/TSRA POSSIBLE...MAINLY IN THE MTNS...ON SUN.
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&& .MARINE...
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SHORT TERM...ISSUED SCA FOR SEAS TONIGHT THROUGH WEDNESDAY. LONG TERM...THURSDAY THROUGH SUNDAY LOOK QUIET ON THE WATERS WITH MAINLY LIGHT WINDS.
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&& .GYX WATCHES/WARNINGS/ADVISORIES...
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ME...NONE. NH...NONE. MARINE...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS FROM 8 PM THIS EVENING TO 8 PM EDT WEDNESDAY FOR ANZ150-152-154.
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&& $$ SYNOPSIS... NEAR TERM...HAWLEY SHORT TERM...HAWLEY LONG TERM...CEMPA AVIATION...CEMPA/HAWLEY MARINE...CEMPA/HAWLEY

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