Area Forecast Discussion
Issued by NWS Caribou, ME

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719
FXUS61 KCAR 022344
AFDCAR

Area Forecast Discussion
National Weather Service Caribou ME
644 PM EST Fri Dec 2 2016

.SYNOPSIS...
A trof of low pressure will cross the region through Saturday.
High pressure will build across the region later Sunday through
early next week.

&&

.NEAR TERM /THROUGH SATURDAY/...
645 PM Update: Just minor chgs to PoPs and Snfl amounts thru
tngt. Otherwise, fcst hrly temps and dwpts were adjusted thru the
ovrngt based on trends seen from late aftn obsvd temps. No sig
chgs to ovrngt low temps attm. Both synoptic and hi resolution
meso models cont to indicate meso-banding of snfl msly across NW
to Cntrl ptns of the region. Intially, mild sfc-925mb temps will
keep sn to liq equiv ratios low until later this eve when this
column cools. Max sn totals with best banding could lcly reach 3
inches ovr NW Cntrl ptns of the region, with lesser amts elsewhere.
Also added patchy evening fog to the St John Vly and NE ptns of
Aroostook county based on latest obs from Ft Kent and Caribou.

Orgnl Disc: The storm that brought significant snowfall to
portions of northern Maine yesterday will continue to move slowly
through the Canadian maritimes. As it does so, a trof will extend
westward across the region. At the same time, an upper level
disturbance will cross the region overnight. These systems will
bring a band of snow showers to portions of northern and downeast
Maine overnight. Any snow accumulation tonight will generally be
an inch or less, although some locally higher amounts will be
possible from the Katahdin region down through Houlton. Lows
tonight will generally range from the upper 20s north and the
lower 30s downeast.

Saturday will be a mainly cloudy day as low pressure continues
to move slowly east of the region and another weak upper
disturbance crosses the area. There will be a continued chance
for a few snow showers, mainly across northern and central areas.
Highs on Saturday will range from the lower 30s north and the mid
to upper 30s downeast.

&&

.SHORT TERM /SATURDAY NIGHT THROUGH MONDAY/...
An upper level disturbance will move east of the region Saturday
night with mostly cloudy skies along with a slight chance of snow
showers north, with decreasing clouds across the Bangor and
Downeast areas. High pressure begins to build toward the region
later Sunday with decreasing clouds north and partly/mostly sunny
skies across the Bangor and Downeast areas. High pressure crosses
the forecast area Sunday night through Monday with mostly clear
skies Sunday night and mostly/partly sunny skies Monday.
Temperatures will be at below normal levels Sunday/Monday.

&&

.LONG TERM /MONDAY NIGHT THROUGH FRIDAY/...
High pressure will cross the region Monday night through Tuesday,
then begin to move east Tuesday night. Partly cloudy/mostly clear
skies are expected Monday night through Tuesday, with increasing
clouds Tuesday night. Uncertainty then develops Wednesday into
Friday regarding the track and timing of several potential lows
and fronts. Precipitation types and totals Wednesday through
Friday will be dependent on the eventual tracks and timing of the
lows and fronts. Generally expect near normal, to slightly below
normal, level temperatures Tuesday through Friday though
temperatures will be dependent on the tracks of the several
potential lows and the timing of several potential fronts.

&&

.AVIATION /00Z SATURDAY THROUGH WEDNESDAY/...
NEAR TERM: Expect mainly MVFR conditions across the northern
terminals through Saturday in sct snow showers with VFR
conditions at KBGR and KBHB.

SHORT TERM: Occasional MVFR conditions are possible across the
north and mountains Saturday night. Otherwise, generally expect
VFR conditions across the region Saturday night into early
Wednesday. Conditions could begin to lower to MVFR levels later
Wednesday.

&&

.MARINE...
NEAR TERM: Winds/seas are expected to remain below small craft
advisory levels through Saturday.

SHORT TERM: Small craft advisory level conditions are possible
Saturday night into Sunday. Conditions are expected to be below
small craft advisory levels Sunday night into Monday.

&&

.CAR WATCHES/WARNINGS/ADVISORIES...
ME...None.
MARINE...None.

&&

$$

Near Term...VJN
Short Term...Norcross
Long Term...Norcross
Aviation...VJN/Norcross
Marine...VJN/Norcross



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