Area Forecast Discussion
Issued by NWS Caribou, ME

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000 FXUS61 KCAR 201203 AFDCAR Area Forecast Discussion National Weather Service Caribou ME 803 AM EDT Fri Oct 20 2017 .SYNOPSIS... High pressure will build across the region later today through Saturday then begin to exit to the east Sunday. && .NEAR TERM /THROUGH TONIGHT/... Update... Have updated the forecast to adjust for current conditions. Previous Discussion... A cold front will exit across the maritimes this morning. High pressure will then build toward the region later today through tonight. Northwest winds will increase today with a tight pressure gradient and deep mixing. Wind gusts of 30 to 35 mph are expected across the region this afternoon. Otherwise, mostly sunny skies are expected today. Clear skies are expected tonight along with diminishing winds. High temperatures today will range from the lower to mid 50s north, to the lower 60s Downeast. Low temperatures tonight will range from the lower to mid 30s north, to the upper 30s to around 40 Downeast. && .SHORT TERM /SATURDAY THROUGH SUNDAY/... Strong high pressure will pass to the south of New England early Saturday then move east into the Atlantic Sunday and Monday. Expect dry conditions through Monday as high pressure east of the region continues to dominate. && .LONG TERM /SUNDAY NIGHT THROUGH THURSDAY/... Low pressure will develop to the southwest of the area early Tuesday then move northward and pass to the west of New England Tuesday night. This will result in rain across the state during the day Tuesday. As the low moves to the north into Canada Wednesday expect cooler air to move in from the west. Showers will persist into Thursday behind the departing low pressure system. && .AVIATION /12Z FRIDAY THROUGH TUESDAY/... NEAR TERM: VFR conditions are expected across the region today through tonight. Northwest winds will increase today, with gusts of 30 to 35 mph this afternoon. Winds will then gradually diminish tonight. SHORT TERM: Expect VFR conditions Saturday through Monday. MFVR/IFR conditions are expected Tuesday. && .MARINE... NEAR TERM: A Small Craft Advisory is in effect for the waters through this afternoon. Conditions will fall below small craft advisory levels tonight. SHORT TERM: Have used the NAM for sustained winds. For Waves: For Saturday the primary wave system will be longer period southeasterly swell (1-2 feet/8-9 seconds). Wind wave will be less than 1 foot. For Sunday southerly wind wave will become the primary wave system (2-3 feet/5 seconds). Southerly wind wave will build to 5 feet/6 seconds Monday. Will use the Nearshore Wave Prediction System for wave grids. && .FIRE WEATHER... Northwest winds will increase today with gusts of 30 to 35 mph expected this afternoon. The winds will help advect drier air across the region. Afternoon relative humidity values are expected to range from around 35 to around 40 percent. The winds and low humidity values will lead to an increased fire risk today. && .CAR WATCHES/WARNINGS/ADVISORIES... ME...None. MARINE...Small Craft Advisory until 4 PM EDT this afternoon for ANZ050>052. && $$ Near Term...Norcross Short Term...Mignone Long Term...Mignone Aviation...Norcross/Mignone Marine...Norcross/Mignone Fire Weather...Norcross is the U.S. government's official web portal to all federal, state and local government web resources and services.