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-- Discussion containing changed information from previous version are highlighted. --
000
FXUS61 KGYX 251313 AAA
AFDGYX

AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE GRAY ME
813 AM EST WED FEB 25 2015

.SYNOPSIS...
A COLD FRONT WILL CROSS THE AREA TODAY WHILE LOW PRESSURE PASSES
BY OFFSHORE. THE OFFSHORE LOW WILL PRODUCE A PERIOD OF SNOW THIS
MORNING ALONG THE COAST AND INTO MIDCOAST AND CENTRAL MAINE...BEFORE
RACING INTO THE MARITIMES. HIGH PRESSURE FOLLOWS THIS SYSTEM FOR
THURSDAY INTO THE START OF NEXT WEEKEND. THE NEXT CHANCE FOR
PRECIPITATION WILL COME AS HIGH PRESSURE RETREATS LATE IN THE
WEEKEND OR EARLY NEXT WEEK.

&&

.NEAR TERM /UNTIL 6 PM THIS EVENING/...
UPDATE...MODERATE SNWFL...WITH EMBEDDED HEAVY RATES
LIKELY...CONTINUES TO SLOWLY EDGE EWD ACROSS MIDCOAST ME. WITH
REPORTS OF 5 TO 6 INCHES OF SNWFL ALREADY THIS MORNING...AND AN
ADDITIONAL 2 TO 4 INCHES POSSIBLE I HAVE ISSUED A WINTER STORM
WARNING FOR LINCOLN...KNOX...AND WALDO COUNTIES. EXPANDED
ADVISORIES NWD INTO KENNEBEC AND SRN SOMERSET AS WELL. CLEARING
WILL RAPIDLY OCCUR FROM THE W THRU THIS AFTERNOON...BUT SEVERAL
HOURS OF SNWFL ARE LEFT FOR THE COUNTIES CURRENTLY IN THE WARNING.

PREV DISC... AT 07Z...A 995 MILLIBAR SURFACE LOW WAS VICINITY OF
HUDSON BAY WITH TRAILING COLD FRONT THROUGH THE EASTERN GREAT
LAKES. A 998 MILLIBAR LOW WAS CENTERED OFF THE CAROLINA COAST. THE
TWO SYSTEMS WILL MERGE LATER TODAY TO THE NORTHEAST OF THE
FORECAST AREA AND INTENSIFY. THE CURRENT SNOW SHIELD FROM THE
SOUTHERN LOW COVERED SOUTHEAST NEW ENGLAND AND EXTENDED NORTHWARD
INTO SOUTHEAST NEW HAMPSHIRE AND WESTERN MAINE. MODELS CONTINUE TO
SHOW A SHARP WEST TO EAST GRADIENT IN SNOWFALL AND WE`VE MADE
SLIGHT ADJUSTMENTS TO SNOW TOTALS TO REFLECT LATEST RADAR TRENDS.
THIS WILL BE A QUICK HITTING SYSTEM WITH MUCH OF THE SNOW ON THE
GROUND BY THE MORNING COMMUTE. THE EXCEPTION WILL BE MIDCOAST AND
CENTRAL MAINE WHERE THE SNOW WILL END AN HOUR OR TWO LATER.
OUTSIDE OF THE HIGHER TERRAIN...A DRIER WESTERLY FLOW AND DOWNWARD
MOTION TAKES HOLD BY MIDDAY WITH PARTIAL CLEARING AND HIGH
TEMPERATURES IN THE 20S TO LOWER 30S.

&&

.SHORT TERM /6 PM THIS EVENING THROUGH 6 PM THURSDAY/...
WINDS DROP OFF TONIGHT WITH MAINLY CLEAR SKIES AND WE`LL DROP INTO
THE SINGLE NUMBERS ABOVE ZERO NEAR THE COAST...WITH MANY INLAND
LOCATIONS NEAR ZERO AND THE MOUNTAINS 5 TO 10 BELOW.

ON THURSDAY...WE`LL SEE CLOUDS SPREAD MAINLY INTO SOUTHERN AND
CENTRAL SECTIONS AS A DISTURBANCE PASSES WELL TO OUR SOUTH WHILE
HIGH PRESSURE BEGINS TO BUILD IN FROM THE WEST. IT`LL AVERAGE A
GOOD TEN DEGREES COLDER THEN TODAY WITH HIGH TEMPERATURES RANGING
FROM SINGLE NUMBERS IN THE MOUNTAINS TO TEENS AND LOWER 20S ELSEWHERE.

&&

.LONG TERM /THURSDAY NIGHT THROUGH TUESDAY/...
VARIABLE HIGH CLOUDS THURSDAY NIGHT WILL GIVE WAY TO CLEARING SKIES
AFTER MIDNIGHT AS HIGH PRESSURE BUILDS IN FROM THE WEST. LOW
TEMPS WILL BOTTOM OUT 5 TO 15 BELOW NORTH AND 5 BELOW TO 5 ABOVE
SOUTH.

HIGH PRESSURE WILL CONTINUE TO BUILD IN FROM THE WEST FRIDAY PRODUCING
MOSTLY SUNNY SKIES. DESPITE THE SUN...TEMPERATURES WILL REMAIN
BELOW NORMAL WITH HIGHS RANGING THROUGH THE TEENS NORTH AND UPPER
TEENS TO LOWER 20S SOUTH.

FAIR WEATHER CONTINUES FRIDAY NIGHT AND SATURDAY AS HIGH PRESSURE
CONTINUES TO BUILD SOUTH OF THE REGION. MORE SUB ZERO READINGS ON
TAP FRIDAY NIGHT AS MOST OF THE FORECAST AREA SEES LOWS OF ZERO TO
10 BELOW. PLENTY OF SUN FOR SATURDAY ALONG WITH A SLIGHT
MODERATION IN TEMPS. HIGHS WILL REACH 15 TO 20 NORTH AND THE LOWER
TO MID 20S SOUTH.

HIGH PRESSURE WILL CREST OVER THE REGION SATURDAY NIGHT. MOSTLY CLEAR
SKIES AND LIGHT WINDS WILL ALLOW TEMPS TO ONCE AGAIN FALL TO WELL
BELOW NORMAL LEVELS. LOWS WILL RANGE FROM ZERO TO 5 BELOW NORTH
AND ZERO TO 5 ABOVE SOUTH.

HIGH PRESSURE WILL SHIFT OFFSHORE SOUTH OF NEW ENGLAND ON SUNDAY.
COLD FRONT APPROACHING FROM THE NORTHWEST WILL BRING INCREASING
HIGH CLOUDS INTO THE REGION IN THE AFTERNOON. HIGH TEMPS WILL
RANGE THROUGH THE 20S TO NEAR 30 IN THE SOUTH.

COLD FRONT DROPPING SOUTH FROM CANADA WILL BRING THICKENING CLOUDS
AND A PERIOD OF SNOW SHOWERS TO THE REGION SUNDAY NIGHT THROUGH
MONDAY MORNING. EXPECT ANY ACCUMULATION TO BE LIGHT WITH JUST AN
INCH OR TWO POSSIBLE. EXPECT THIS ACTIVITY TO PUSH OFFSHORE DURING
THE MORNING HOURS AS HIGH PRESSURE BUILDS IN FROM THE WEST. NOT
MUCH IN THE WAY OF COLD AIR BEHIND THE FRONT AND HIGH TEMPS WILL
ACTUALLY TOP OUT AT OR NEAR NORMAL WITH HIGHS RANGING THROUGH THE
30S.

&&

.AVIATION /13Z WEDNESDAY THROUGH SUNDAY/...
SHORT TERM...MVFR THIS MORNING VCNTY OF KPSM...KPWM...KAUG AND
KRKD WITH LCL IFR PSBL IN SNOW...THEN IMPROVING TO VFR AFT 15Z
THROUGHOUT.

LONG TERM...VFR THURSDAY NIGHT THROUGH SUNDAY.

&&

.MARINE...
SHORT TERM...SMALL CRAFT THROUGH LATE TONIGHT AS LOW PRESSURE
PASSES BY OFFSHORE...ALONG WITH A SURFACE COLD FRONT CROSSING THE
WATERS.

LONG TERM...NO PROBLEMS NOTED.

&&

.GYX WATCHES/WARNINGS/ADVISORIES...
ME...WINTER STORM WARNING UNTIL NOON EST TODAY FOR MEZ022-026>028.
     WINTER WEATHER ADVISORY UNTIL NOON EST TODAY FOR MEZ014-021.
NH...NONE.
MARINE...SMALL CRAFT ADVISORY UNTIL 5 AM EST THURSDAY FOR ANZ151-153.
     SMALL CRAFT ADVISORY UNTIL 5 AM EST THURSDAY FOR ANZ150-152-
     154.

&&

$$

NEAR TERM...LEGRO