Area Forecast Discussion
Issued by NWS Caribou, ME

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000 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/...
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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.
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&& .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 is the U.S. government's official web portal to all federal, state and local government web resources and services.