Area Forecast Discussion
Issued by NWS Caribou, ME

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FXUS61 KCAR 170812
AFDCAR

Area Forecast Discussion
National Weather Service Caribou ME
312 AM EST Fri Feb 17 2017

.SYNOPSIS...
Low pressure will continue to move through the gulf of Saint
Lawrence today. High pressure will briefly build across the
region tonight. An Alberta clipper type system will approach
from the northwest on Saturday and cross just north of the
region on Sunday.

&&

.NEAR TERM /THROUGH TONIGHT/...
Low pressure will continue to slowly lift across the gulf of St.
Lawrence today. Gusty northwest winds will continue into this
afternoon in the wake of the departing low and a ridge of high
pressure building in from the west. The gusty northwest winds
could certainly produce some patchy blowing snow across open
areas but will not mention in forecast as it will be localized.
Expect mainly cloudy skies this morning to give way to partial
clearing by afternoon. High temperatures today will range from
the upper 20s to around 30 degrees across the north and low to
mid 30s downeast.

Surface ridge will briefly build across the region tonight with
diminishing winds. Expect mainly clear skies this evening to
give way to increasing clouds after midnight ahead of
approaching clipper type system from the northwest. Lows tonight
will range from the single digits above zero north to low to mid
teens downeast.

&&

.SHORT TERM /SATURDAY THROUGH SUNDAY NIGHT/...
Sat will begin with increasing cldnss as warm advcn well ahead
of an Alberta clipper s/wv moves E across the region, with sn
shwrs possible across Nrn ptns of the region Sat aftn and eve
with the passage of a weak warm front. Any accumulation will be
arnd an inch or less. Aft a break in sn shwrs late Sat ngt into
Sun morn, another round of rn/sn shwrs are xpctd Sun aftn and
eve msly across the N as a cold front crosses the region behind
sfc low pres tracking Ewrd toward the Gaspe Peninsula with mild
sfc-BL temps likely somewhat negating lmtd sn accumulation.

Temps will be milder during this ptn of the fcst, spcly across
Downeast areas which will receive greater day tm sunshine both
days.

&&

.LONG TERM /MONDAY THROUGH THURSDAY/...
Following the cold front Sunday night, semi-arctic air will
bring colder and brisk conditions on Mon under ptly to msly
sunny skies. After a ngt of radiational cooling provides a
chilly start to Tues morn as sfc hi pres crests the region,
temps will gradually rebound thru mid week with msly fair
conditions. Weakening s/wvs from the Midwest will bring some
cldnss Tue ngt and again on Thu, but not enough precip potential
to go abv slgt chc PoPs attm.

&&

.AVIATION /08Z FRIDAY THROUGH TUESDAY/...
NEAR TERM: Localized MVFR cigs can be expected across the
northern terminal this morning, otherwise VFR conditions will be
the rule through tonight. Gusty northwest winds to around 30 kts
will diminish by this evening.

SHORT TO LONG TERM: Mainly VFR conditions xpctd, with brief
intermittent MVFR clgs/vsbys possible with sn shwrs for Nrn TAF
sites Sat aftn thru sun eve.

&&

.MARINE...
NEAR TERM: Winds/seas will remain at small craft advisory
levels through early this evening and then diminish tonight.

SHORT TO LONG TERM: Marginal SCA conditions or less are xpctd
across our waters Sun ngt thru mid week. Kept close to WW3 wv
guidance for these ptns of the fcst.

&&

.CAR WATCHES/WARNINGS/ADVISORIES...
ME...None.
MARINE...Small Craft Advisory until 10 PM EST this evening for
     ANZ050>052.

&&

$$

Near Term...Duda
Short Term...VJN
Long Term...CB/VJN
Aviation...Duda/VJN
Marine...Duda/VJN



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