Area Forecast Discussion
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FXUS61 KGYX 182024
Area Forecast Discussion
National Weather Service Gray ME
324 PM EST Sat Feb 18 2017
A warm front will push further northwards this evening and will
be followed by a secondary cold front on Sunday. High pressure
will build in from the west on Monday and will crest over the
area on Tuesday before shifting offshore. Warmer weather will
continue through the week with no large storm systems on the
.NEAR TERM /UNTIL 6 AM SUNDAY MORNING/...
Skies have cleared today as warm southwesterly flow moves in
behind a warm front. Winds have increased with gusts to around
20mph across the south. Overnight temperatures will be mild as
the warm air remains in place. Increasing dewpoints across the
southern plains with warm air over the cold snowpack may create
some pockets of fog. Further north, drier air remains and so fog
is less likely.
.SHORT TERM /6 AM SUNDAY MORNING THROUGH SUNDAY NIGHT/...
Sunday will start off mostly sunny with a cold front approaching
from southern Quebec. Ahead of the front however the clear skies
and warm airmass will allow temperatures to soar to the mid to
upper 40s south and mid 30s north. This front will push through
the region in the afternoon with temperatures dropping
overnight. With the switch to northwesterly flow once again the
northern mountains will see some cloudiness and upslope snow
showers develop overnight.
.LONG TERM /MONDAY THROUGH SATURDAY/...
The beginning of the work week will be sunny and precipitation
free. As low pressure pulls east, a narrow ridge of high
pressure will build in from the west. Clouds will be on the
increase Tuesday evening with a northern stream short wave
trough approaching. This will bring widely scattered showers
with snow in the mountains and rain more likely south depending
on the time of day. QPF amounts will be light so either way not
expecting accumulations more than a few hundredths.
Additional light upslope showers will be possible Thursday and
Friday for northern sections. A southern stream short wave will
attempt to phase with a northern low early Saturday as it swings
through the Great Lakes and towards New England. This system
will be deeper and closer than the mid week system with northern
New England in the warm sector during the day Saturday followed
by a trough/cool front a few hours later. This will deliver
more widespread snow and rain showers before it shifts east
Temperatures will be above normal each day with widespread 40s
beginning Wednesday and lasting through next weekend. Readings
will even approach or surpass 50 degrees in favored warm spots
across southern NH and SW Maine including Nashua, Manchester,
and Portsmouth a few times this week.
.AVIATION /20Z SATURDAY THROUGH THURSDAY/...
Short Term...VFR this afternoon into tonight. Patchy fog is
possible with the warmer temperatures moving over the cold
snowpack overnight especially in the south where dewpoints are
higher. VFR Sunday with areas of MVFR ceilings in the
Long Term...Mainly VFR through the period. However, MVFR
conditions in light precipitation is possible later Tuesday
night and Wednesday at all terminals.
Short Term...Southwest flow will pick up today behind a passing
warm front leaving marginal small craft conditions. Expect winds
to peak in the next few hours before decreasing again overnight.
Long Term...Marginal SCA conditions are possible Monday into
Tuesday over the outer waters.
MARINE...Small Craft Advisory until 5 AM EST Sunday for ANZ150-152-154.