National Weather Service Text Product Display

Area Forecast Discussion
Issued by NWS Portland, ME
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FXUS61 KGYX 040513
AFDGYX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GRAY ME
1213 AM EST WED MAR 4 2015

.SYNOPSIS...
LOW PRESSURE WILL SWING THROUGH SOUTHERN CANADA TONIGHT TRYING TO
PUSH A WARM FRONT NORTH ACROSS THE REGION. AS THE LOW SHIFTS TO
OUR NORTH...IT WILL DRAG A COLD FRONT THROUGH THE REGION LATE
WEDNESDAY. HIGH PRESSURE WILL BUILD IN FROM THE WEST THURSDAY AND
CREST OVER THE REGION ON FRIDAY. A WEAK DISTURBANCE WILL DRAG
TRAILING WARM AND COLD FRONTS ACROSS THE REGION THIS WEEKEND.

&&

.NEAR TERM /UNTIL 6 AM THIS MORNING/...

1209 AM...MINOR ESTF UPDATE TO REFLECT RADAR TRENDS AND INGEST
LATEST MESONET.

.UPDATE...
SNOW CONTINUES TONIGHT WITH NORTHERN STREAM SHORT WAVE NOTED IN
WATER VAPOR SATELLITE JUST ENTERING QUEBEC PROVINCE. THE CURRENT
WAVE OF PRECIPITATION MAY REPRESENT THE HEAVIEST OF THE NIGHT WITH
LIGHTER SHOWERS TO FOLLOW. IN FACT WE MAY SEE THIS EVENT ENDING IN
THE NEXT 3-4 HOURS WITH A SLEET/FREEZING RAIN/RAIN MIX POSSIBLE
BRIEFLY ON THE TAIL END AND CONTINUED UPSLOPE SNOW OVER THE
MOUNTAINS. WITH THAT IN MIND MID SHIFT MAY BE ABLE TO DROP
ADVISORIES EARLY ON. OTHERWISE SNOW IS OF THE SLUSHY WET VARIETY
MAKING DRIVING SLIPPERY. UPDATED TEMPERATURE AND DEW POINT GRIDS
FOR CURRENT TRENDS... OTHERWISE LITTLE CHANGE TO CURRENT FORECAST.

&&

.SHORT TERM /6 AM THIS MORNING THROUGH 6 AM THURSDAY/...
WE BREAK OUT INTO THE WARM SECTOR WEDNESDAY MORNING AND A LIGHT
WEST TO SOUTHWEST FLOW WILL DEVELOP IN THE LOWER LEVELS. H85
TEMPERATURES A BALMY 0 TO -5C SHOULD ALLOW TEMPERATURES TO WARM
INTO THE 40S AS SOME SUN IS ALSO EXPECTED TO DEVELOP AS THE DAY
WEARS ON AND A DRY SLOT MOVES THROUGH BY LATE MORNING.

A DRY WEST TO NORTHWEST FLOW CONTINUES FOR WEDNESDAY NIGHT BUT
SOME CLOUDS WILL BE NOTED ACROSS THE SOUTHERN HALF OF THE FORECAST
AREA AS A COLD FRONT STALLS SOUTH OF NEW ENGLAND AND WE REMAIN ON
THE NORTHERN PERIPHERY.

USED A BLEND OF THE THE MODELS FOR TEMPERATURES WED AND WED NIGHT.

&&

.LONG TERM /THURSDAY THROUGH TUESDAY/...
AN EXTENDED PERIOD OF RELATIVELY QUIET WEATHER IS EXPECTED THROUGH
THE PERIOD. A SOUTHERN STREAM SHORT WAVE TROUGH THAT WILL BRING
SNOW TO THE SOUTH OF OUR AREA ON THURS WILL BE SHUNTED OUT TO SEA
BEFORE IT CAN BRING US ACCUMULATING SNOWFALL. A FEW FLURRIES
POSSIBLE ACROSS SOUTHERNMOST ZONES THEN...BUT THAT/S ABOUT IT.
OTHERWISE...BELOW NORMAL TEMPERATURES ARE EXPECTED WITH MAINLY DRY
WEATHER. A WARM UP IS QUITE POSSIBLE EARLY NEXT WEEK.

&&

.AVIATION /05Z WEDNESDAY THROUGH SUNDAY/...
SHORT TERM...CONDITIONS LOWERING TO IFR TONIGHT IN SNOW. THEN
IMPROVING TO VFR BY WED MORNING AND CONTINUING INTO WED NIGHT.

LONG TERM...VFR CONDITIONS THURSDAY THROUGH SUNDAY.

&&

.MARINE...
SHORT TERM...AN INCREASING SOUTH TO SOUTHWEST FLOW TONIGHT WILL
REACH SCA CRITERIA BY LATER THIS EVENING SO A SCA HAS BEEN ISSUED
AND WILL CONTINUE INTO WED OVER THE OUTER WATERS INTO THE
AFTERNOON.

LONG TERM...SCA CONDITIONS ARE EXPECTED MUCH OF THE TIME THU
THROUGH SUN. THE STRONGEST OF WHICH ARE EXPECTED ON SAT WHEN GUSTS
MAY APPROACH LOW-END GALE FORCE AT TIMES.

&&

.GYX WATCHES/WARNINGS/ADVISORIES...
ME...WINTER WEATHER ADVISORY UNTIL 7 AM EST THIS MORNING FOR
     MEZ007>009-012>014-018>028.
NH...WINTER WEATHER ADVISORY UNTIL 7 AM EST THIS MORNING FOR
     NHZ001>015.
MARINE...SMALL CRAFT ADVISORY UNTIL 7 AM EST THIS MORNING FOR ANZ151-
     153.
     SMALL CRAFT ADVISORY UNTIL 3 PM EST THIS AFTERNOON FOR ANZ150-
     152-154.

&&

$$
ES
National Weather Service Weather Forecast Office
