Area Forecast Discussion
Issued by NWS Caribou, ME

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FXUS61 KCAR 090919

Area Forecast Discussion
National Weather Service Caribou ME
519 AM EDT Sun Aug 9 2020

High pressure will remain across the area today. An upper level
disturbance will approach later today then cross the region
tonight into Monday. A cold front will approach later Tuesday,
slowly cross the region Wednesday, then exit across the Gulf of
Maine Thursday.

Weak high pressure to the south and upper level ridging will
bring a mostly sunny morning. An small upper level shortwave
sliding down from the northwest will track into southern parts
of western Maine this afternoon bringing a small chance for some
scattered thunderstorms, mainly in the western highlands while
the north remains mostly sunny. The disturbance will continue
across southern Maine tonight bringing a slight chance for some
spotty showers in southern spots. The north will be mostly clear
and calm and some patchy fog may form across the north again
late tonight. Today will be very warm with mid 80s over the
interior followed by a mild night tonight with lows around 60 in
most areas.

An upper level disturbance will cross the region Monday with
isolated to scattered showers and thunderstorms. Otherwise,
expect partly sunny skies north, with mostly cloudy to partly
sunny skies across central and Downeast portions of the
forecast area. The disturbance will exit across the Maritimes
Monday night. Could still have an isolated evening shower or
thunderstorms. With the exiting disturbance and loss of diurnal
heating, showers/thunderstorms will then end leaving
partly/mostly cloudy skies overnight. A cold front crossing
Quebec province will approach the Saint Lawrence Valley later
Tuesday. After any morning low clouds and fog lift and
dissipate, expect partly sunny skies along with hot humid
conditions. Shower/thunderstorm chances will then increase
across mostly northern and central areas Tuesday afternoon in
advance of the approaching cold front, with lesser chances
Downeast. The cold front will begin to cross the region Tuesday
night. Expect a chance of showers/thunderstorms early Tuesday
night, with still a chance of showers overnight. The better
shower/thunderstorm chances will remain across northern and
central areas Tuesday night. Otherwise, expect partly/mostly
cloudy skies Tuesday night. Temperatures will remain at above
normal levels Monday/Tuesday along with humid conditions.

The cold front will slowly cross the remainder of the forecast
area Wednesday, approaching the Downeast coast late. Expect a
chance of showers/thunderstorms across the region Wednesday. The
cold front will settle across the Gulf of Maine Wednesday night
into Thursday before stalling. However, where across the Gulf
of Maine the front stalls remains uncertain. Shower/thunderstorm
chances will diminish Wednesday night. Could still have the
slight chance of a shower/thunderstorm across Downeast areas
Thursday, dependent on how close to the coast the front stalls.
High pressure will build toward northern areas Thursday with
partly sunny skies. Surface high pressure builds across the
region Thursday night into Friday. Generally expect partly
cloudy skies Thursday night through Friday. However, an upper
level disturbance could support the slight chance of an
afternoon shower across the north and mountains Friday. High
pressure will bring mostly/partly sunny skies Saturday.
Temperatures will remain at above normal levels Wednesday
through Saturday.

Today: VFR. Light WSW wind.

Tonight: VFR. Light and variable wind. Slight chance of patchy
fog north.

Monday...Patchy fog early. Isolated to scattered showers/thunderstorms.
Otherwise, VFR.

Monday night...Generally VFR. A slight chance of an evening
shower or thunderstorm. Variable conditions with any patchy
fog, mostly Downeast.

Tuesday...Patchy fog early, mostly Downeast. Variable
conditions with any mostly afternoon showers and thunderstorms.

Tuesday night through Wednesday...Variable conditions with any
showers or thunderstorms. Patchy fog, mostly Downeast, Tuesday
night through early Wednesday. Otherwise, VFR.

Wednesday night...A chance of mostly evening
showers/thunderstorms across the region, with still a slight
chance of showers Downeast overnight. Patchy fog, mostly
Downeast. Otherwise, VFR.

Thursday...Patchy fog possible, mostly Downeast, early. Could
also have the slight chance of a shower/thunderstorm Downeast.
Otherwise, VFR.

NEAR TERM: Winds and seas will remain below SCA today and
tonight. Patchy fog may reduce visibilities on the water late

SHORT TERM: Winds/seas will remain below small craft advisory
levels Monday through Tuesday night. Could have isolated
showers/thunderstorms through Monday into the evening.
Visibilities will be reduced in fog at times Monday through
Tuesday night.

ME...Beach Hazards Statement from 8 AM EDT this morning through
     this evening for MEZ029-030.



Near Term...Bloomer
Short Term...Norcross
Long Term...Norcross
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