Area Forecast Discussion
Issued by NWS Caribou, ME

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FXUS61 KCAR 200900

Area Forecast Discussion
National Weather Service Caribou ME
500 AM EDT Fri Oct 20 2017

High pressure will build across the region later today
through Saturday then begin to exit to the east Sunday.

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.

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.

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

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.

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.

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

MARINE...Small Craft Advisory until 4 PM EDT this afternoon for



Near Term...Norcross
Short Term...Mignone
Long Term...Mignone
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