Area Forecast Discussion
Issued by NWS Caribou, ME

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000 FXUS61 KCAR 152107 AFDCAR Area Forecast Discussion National Weather Service Caribou ME 507 PM EDT Thu Mar 15 2018 .SYNOPSIS... Low pressure will remain northeast of the region through Saturday. High pressure will build toward the region Sunday. && .NEAR TERM /THROUGH FRIDAY/... We will remain in a strong northwesterly flow around deep low pressure situated to our northeast tonight into Friday. Snow showers across the area, mainly over central and northern locations, will taper off this evening. Tonight will then remain mostly cloudy with lows in the mid 20s across much of the area. Friday will remain mostly cloudy as the deep low to our northeast continues to slowly back away. Snow showers are likely during the midday and afternoon Friday. Cold air moving in aloft, divergence aloft, and instability created by the mid March sunshine will likely produce some convective snow showers over central and northern areas. Winds aligned through a deep layer of the atmosphere also favor the potential for convergence downstream from the Laurentians. This could enhance snow showers from central Aroostook east southeast across northern Penobscot counties into southeastern Aroostook county producing some locally heavy snow showers. && .SHORT TERM /FRIDAY NIGHT THROUGH SUNDAY/... Surface/upper level low pressure will remain in the vicinity of Labrador Friday night into Sunday, while several disturbances rotating around the upper low cross the region with high pressure to the west. Generally expect mostly cloudy skies along with a chance of snow showers across the north and mountains Friday night/Saturday, with partly cloudy skies Downeast. High pressure will gradually build east Saturday night into Sunday. Generally expect partly cloudy skies across the north/mountains Saturday night and Sunday with still a slight chance of snow showers Sunday. Partly cloudy to mostly clear skies are expected Downeast Saturday night into Sunday. Temperatures will be at below normal levels Saturday/Sunday. && .LONG TERM /SUNDAY NIGHT THROUGH THURSDAY/... High pressure will build across the region Sunday night through Tuesday, with low pressure intensifying across the Mid-Atlantic region Tuesday. The low will track northeast toward the maritimes Wednesday into Thursday. The exact timing, track and intensity of the low remain uncertain. The low will bring a chance of snow to the region Wednesday into Thursday, though amounts are also uncertain. Temperatures will be at below normal levels Monday/Tuesday. Near normal, to slightly below normal, level temperatures are expected Wednesday/Thursday. && .AVIATION /21Z THURSDAY THROUGH TUESDAY/... NEAR TERM: MVFR conditions are likely tonight through Friday across the north with possible brief IFR conditions in heavier snow showers Friday afternoon. Mainly VFR conditions are expected Downeast tonight through Friday. SHORT TERM: Occasional MVFR conditions are expected across the north and mountains Friday night into Sunday, with generally VFR conditions Downeast. Generally VFR conditions are expected across the entire region Monday/Tuesday. && .MARINE... NEAR TERM: A SCA will continue tonight through Friday for gusty northwest winds persisting across the waters. Winds will gust to 25 kt over the intracoastal waters and 30 kt across the offshore waters. SHORT TERM: Small craft advisory conditions are expected on the waters Friday night through Sunday. Light freezing spray is expected later Friday night through early Saturday. && .CAR WATCHES/WARNINGS/ADVISORIES... ME...None. MARINE...Small Craft Advisory until 8 AM EDT Saturday for ANZ050>052. && $$ Near Term...Bloomer Short Term...Norcross Long Term...Norcross Aviation...Bloomer/Norcross Marine...Bloomer/Norcross is the U.S. government's official web portal to all federal, state and local government web resources and services.