FXUS61 KGYX 032337
AFDGYX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GRAY ME
637 PM EST THU DEC 3 2009
.SYNOPSIS...
HIGH PRESSURE WILL BUILD INTO THE REGION FROM THE SOUTHWEST
TONIGHT THROUGH FRIDAY. HIGH PRESSURE WILL HOLD OVER THE REGION ON
SATURDAY AS LOW PRESSURE PASSES WELL SOUTH OF THE AREA. A SECOND
AREA OF HIGH PRESSURE WILL BUILD OVER THE REGION FROM THE WEST ON
SUNDAY AND WILL MOVE OFFSHORE ON MONDAY. A COLD FRONT WILL CROSS
THE REGION MONDAY NIGHT AND HIGH PRESSURE WILL BUILD OVER THE AREA
ON TUESDAY. LOW PRESSURE WILL MOVE NORTHEAST OUT OF THE OHIO
VALLEY ON WEDNESDAY REACHING SOUTHERN NEW ENGLAND LATE IN THE DAY.
&&
.NEAR TERM /UNTIL 6 AM FRIDAY MORNING/...
JUST SOME MINOR UPDATES...ONLY ONES WORTH MENTIONING ARE AN
INCREASE IN SKY COVER OUTSIDE THE MTNS...TO COVER THE WEAK 500MB
WAVE/FRONTAL PASSAGE THIS EVE...AND ADJUSTING WINDS DOWN SLIGHTLY
SOONER. OTHERWISE MIN TEMPS REMAIN WARM...WITH UPSLOPE SHRA/SN
INCREASING BEHIND THE FROPA THIS EVE...PEAKING AROUND
MIDNIGHT...AND THEN DIMINISHING DURING THE PRE-DAWN.
PREV DISCUSSION...WHAT A DAY...WITH RECORD HIGH TEMPERATURES IN
PORTLAND AND CONCORD AFTER VERY INCLEMENT CONDITIONS DURING THE
MORNING.
STRONG SOUTHEAST WINDS AND LARGE WAVES ALLOWED FOR COASTAL
FLOODING NEAR THE TIME OF HIGH TIDE THIS MORNING ALONG PORTIONS OF
THE COAST (INCLUDING BANGOR). WINDS SWITCHED TO SOUTHWEST IN THE
PORTLAND AREA JUST PRIOR TO HIGH TIDE...KEEPING COASTAL FLOODING
TO A MINIMUM.
IT WILL BE MAINLY CLEAR OVER SOUTHERN SECTIONS TONIGHT...WHILE
NORTHERN AREAS HOLD ONTO MORE OF THE WAY OF CLOUDINESS. COLD AIR
ADVECTION...WITH UPSLOPING CONDITIONS WILL ALLOW FOR A SMALL
CHANCE OF SHOWERS IN THE MOUNTAINS. ENOUGH COLD AIR TO FILTER INTO
THE LOWER LEVELS TO CHANGE ANY SCATTERED PCPN OVER TO A FEW -SHSN
DURING THE LATE NIGHT PERIOD.
WINDS WILL SLOWLY SUBSIDE DURING THE REST OF THE AFTERNOON AND
EARLY EVENING HOURS AS LOW PRESSURE RACES INTO THE CANADIAN
MARITIMES.
MAV/MET MIN TEMPS VERY MUCH IN AGREEMENT AND ACCEPTED THIS PERIOD.
&&
.SHORT TERM /6 AM FRIDAY MORNING THROUGH 6 PM FRIDAY/...
WEAK...BROAD FRONTAL BOUNDRY ASSOCIATED WITH LARGE AREA OF COLD
AIR ADVECTION WILL ENTER THE REGION FRIDAY. THIS WILL PRODUCE SOME
CLOUDINESS...BUT NORTHERN NEW ENGLAND WILL REMAIN DRY. IT WILL BE
UNSEASONABLY MILD HOWEVER...WITH HIGHS IN THE UPPER 40S TO LOWER
50S. NOT 12 DEGREES ABOVE THE RECORD AS WAS THE CASE TODAY...BUT
STILL MILD NEVERTHELESS.
PROLONGED BELOW NORMAL TEMPS ARE ON THE WAY AFTER THE SHORT TERM.
&&
.LONG TERM /FRIDAY NIGHT THROUGH THURSDAY/...
OVER THE WEEKEND INTO EARLY NEXT WEEK MAINE AND NH WILL BE
GENERALLY IN A COLDER WNWLY FLOW. MODELS CONTINUE TO SHOW AN
OFFSHORE STORM SAT NIGHT STAYING WELL OUT TO SEA SO NOTHING MORE
THAN SOME CLOUDS EXPECTED BEING ON THE NRN FRINGE OF THE SYSTEM. A
FAST MOVING S/WV IS TIMED TO MOVE E ACROSS THE AREA MON NIGHT AND
EXIT THE AREA BY EARLY TUESDAY. A MORE SIGNIFICANT SYSTEM WILL
NEED TO BE WATCHED ON HOW IT EVOLVES LATER IN THE WEEK BUT LATEST
INDICATIONS ARE THAT IT WILL PASS WELL TO THE WEST OF NEW ENGLAND.
OVERALL STAYED CLOSE TO GMOS GUID.
&&
.AVIATION /00Z FRIDAY THROUGH TUESDAY/...
SHORT TERM...WINDS HAVE DIMINISHED TO 10 KTS OR LESS AND WILL HOLD
THERE THRU FRIDAY. BRIEF APPEARANCE OF A SCT-BKN SC DECK AROUND 5K
FT THIS EVENING AT ALL TERMINALS...WHICH WILL LINGER THRU THE
NIGHT AT KLEB/KAUG...BUT VFR EXPECTED THRU FRI EVE.
LONG TERM...VFR CONDITIONS.
&&
.MARINE...
SHORT TERM...SCA REMAINS IN PLACE...BUT WINDS ARE DIMINISHING
SLOWLY THIS EVENING. WILL PROBABLY SWAP THE CURRENT SCA LATER THIS
EVENING FOR AN SCA FOR SEAS THROUGH AT LEAST FRI MORNING AS SWELL
WILL SUBSIDE VERY SLOWLY.
LONG TERM...WINDS MAY BRIEFLY REACH MINIMAL SCA CRIT SAT NIGHT
DUE TO THE COMBINATION OF THE OFFSHORE LOW WELL TO THE SE AND HIGH
PRES BUILDING IN FROM THE W....OTHERWISE NO FLAGS.
&&
.GYX WATCHES/WARNINGS/ADVISORIES...
ME...NONE.
NH...NONE.
MARINE...SMALL CRAFT ADVISORY UNTIL 6 AM EST FRIDAY FOR ANZ150>154.
&&
$$
SYNOPSIS...
NEAR TERM...CEMPA
SHORT TERM...
LONG TERM...
AVIATION...CEMPA
MARINE...CEMPA
