Special Weather Statement, NWS Gray, ME

Area Forecast Discussion
National Weather Service Gray ME
616 PM EST Fri Jan 22 2021

.SYNOPSIS...
A cold front moves in from the northwest this evening, bringing
snow showers and a shift toward colder temperatures for at
least a few days, but even these will be near or just a little
below normal. Low pressure tracks south of New England on
Tuesday and brings a chance of snow, mainly over southern areas.

&&

.NEAR TERM /UNTIL 6 AM SATURDAY MORNING/...
615 PM Update...Just a few minor changes to the going forecast
at this hour. Adjusted PoPs a little bit based on latest radar
returns. There will be scattered snow showers and a few squalls
for the next couple of hours, but any activity should wane mid-
evening.

Previously...

Impacts: Brief reductions in visibility and slick roads will be
possible in any heavier snow showers/squalls this evening and
tonight.

A shortwave will slowly rotate through the region through tomorrow
morning, bringing with it plenty of clouds and some scattered snow
showers. An associated cold front will also bring cooler
temperatures. An area of snow showers is currently moving through
portions of central NH and western ME and will continue to push
south and east. High- res guidance has trended toward a drier
and less organized solution throughout the day, but still cannot
rule out a few snow squalls this evening into early tonight.
Squalls and other heavier snow showers could cause brief reductions
in visibility and slick roads, particularly later this evening
and early tonight as temperatures fall rather quickly behind the
wave. Lows will range from the positive single digits north to
the upper teens south.

&&

.SHORT TERM /6 AM SATURDAY MORNING THROUGH SATURDAY NIGHT/...
Impacts: Scattered show showers possible in the mountains.
Breezy winds beginning Saturday afternoon and continuing
through Saturday night with wind chill values below zero likely
throughout the region Saturday night.

Any precipitation in the short term is expected to be limited to
the mountains, but it will be breezy and colder. High pressure
will attempt to build into New England, but it will be running
into a potent low pressure system over Newfoundland and far
eastern Quebec. This will allow winds to become gusty later
Saturday morning and continuing through Saturday night. High
temperatures will be several degrees colder than Friday,ranging
from the lower teens north to the mid 20s south. As mentioned,
Saturday night will be quiet except for a stray snow shower in
the mountains, but the winds will remain gusty as lows drop to
near zero north and into the positive single digits and lower
teens south. This will push wind chill values Saturday night
down below zero all the way into southern NH and southwestern
ME.

&&

.LONG TERM /SUNDAY THROUGH FRIDAY/...
It says a lot about how anomalous a northern hemisphere winter
is, when you can disrupt the polar vortex in mid-late January
and barely get temps below normal in New England. Yet, that is
the state of the atmosphere this winter, and as we head into
the last week of January will see a mean trough across the Ern
2/3 of the CONUS, although it will be very shallow and also dry,
so there will be only minor disturbances and temps running on
the cool side of normal in the period and probably on the warm
edge of normal later in the week.

Sunday will be blustery and cold with highs in the teens N, to
the mid to upper 20s in the S. Upslope clouds and SHSN will
dominate the mtns in the morning, but should begin to diminish
later in the day. In the downslope it should be mainly sunny.
Daytime wind chills will run from near zero in the mtns to
10-15 in the south. The NW flow persists Sunday night into
Monday, but will be lighter, with lows Sunday night the single
digits in the N to 10-15 in the south, but highs on Monday turn
a little warmer rising into the 20s to low 30s under mainly
clear skies.

Low pressure passes south of New England on Tuesday, and for
now models are trending away from the CWA, although there is
some possibility it could produce some light snow in srn areas.
Another trough pushes in from the W behind this system, and may
drop temps back by a few degrees for Wed-Thu, but it should be
dry.

&&

.AVIATION /23Z FRIDAY THROUGH WEDNESDAY/...
Short Term...Light snow showers remain possible at all terminals
through early tonight, coming to an end from west to east
beginning early this evening. Otherwise, VFR conditions
generally expected through the short term except at HIE. Winds
become gusty out of the northwest late Saturday morning and
continue through Saturday night.

Long Term...Mainly VFR. Some flight restrictions possible
Tuesday at KCON/KMHT/KPSM in light SN.

&&

.MARINE...
Short Term...No concerns through tonight. Winds and seas begin
to build late Saturday morning as northwest flow intensifies
behind a cold front. Gale watch remains up for the outer waters
but SCA conditions are otherwise likely there and the bays
beginning late Saturday morning.

Long Term...Persistent NW flow likely to produce SCA winds thru
much of the period, starting out as gales on Sunday. Also expect
light freezing spray at times Sunday into Sunday night.

&&

.GYX WATCHES/WARNINGS/ADVISORIES...
ME...None.
NH...None.
MARINE...Gale Watch from Saturday afternoon through Sunday afternoon
     for ANZ150-152-154.

&&

NEAR TERM...Ekster/Watson
SHORT TERM...Watson
LONG TERM...Cempa

Hazardous Weather Outlook
National Weather Service Gray ME
301 PM EST Fri Jan 22 2021

MEZ007>009-012>014-018>028-033-NHZ001>015-231100-
Northern Oxford-Northern Franklin-Central Somerset-Southern Oxford-
Southern Franklin-Southern Somerset-Interior York-
Central Interior Cumberland-Androscoggin-Kennebec-Interior Waldo-
Coastal York-Coastal Cumberland-Sagadahoc-Lincoln-Knox-Coastal Waldo-
Interior Cumberland Highlands-Northern Coos-Southern Coos-
Northern Grafton-Northern Carroll-Southern Grafton-Southern Carroll-
Sullivan-Merrimack-Belknap-Strafford-Cheshire-Eastern Hillsborough-
Interior Rockingham-Coastal Rockingham-
Western And Central Hillsborough-
301 PM EST Fri Jan 22 2021

This Hazardous Weather Outlook is for Maine, south central Maine,
southwest Maine, west central Maine, western Maine, New Hampshire,
central New Hampshire, northern New Hampshire and southern New
Hampshire.

.DAY ONE...This afternoon and tonight.

A cold front will move through the region this evening with briefly
heavy snow showers possible. Some snow squalls are also possible.
Although total accumulations will be minor, brief periods of low
visibility and suddenly slick driving conditions are possible.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

ANZ150-152-154-231100-
Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM-
Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM-
Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out
25 NM-
301 PM EST Fri Jan 22 2021

...GALE WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY
AFTERNOON...

This Hazardous Weather Outlook is for Atlantic coastal waters.

.DAY ONE...This afternoon and tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Gale Watch.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

ANZ151-153-231100-
Penobscot Bay-Casco Bay-
301 PM EST Fri Jan 22 2021

This Hazardous Weather Outlook is for Atlantic coastal waters.

.DAY ONE...This afternoon and tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

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Special Weather Statement
National Weather Service Gray ME
610 PM EST Fri Jan 22 2021

NHZ011-230000-
Cheshire-
610 PM EST Fri Jan 22 2021

...An area of heavy snow showers will affect southwestern Cheshire
County...

At 609 PM EST...An area of heavy snow showers was over Brattleboro...
moving east AT 20 MPH.

Locations impacted include...
Keene, Swanzey, Winchester, Richmond, Hinsdale, Westmoreland,
Chesterfield and Surry.

  * Visibilities will drop quickly to less than a half mile in this
  area of heavy snow showers.

Icy roads are possible as the snow melts on the roads then quickly
refreezes.

LAT...LON 4290 7253 4295 7253 4296 7252 4297 7247
      4299 7246 4298 7223 4284 7227 4272 7239
      4275 7248 4277 7249 4277 7251 4278 7251
      4281 7254 4287 7256
TIME...MOT...LOC 2309Z 278DEG 18KT 4290 7258

MLE

Special Weather Statement
National Weather Service Gray ME
627 PM EST Fri Jan 22 2021

MEZ019-024-230015-
Central Interior Cumberland-Coastal Cumberland-
627 PM EST Fri Jan 22 2021

...An area of heavy snow showers will affect southeastern Cumberland
County...

At 627 PM EST...An area of heavy snow showers was near Westbrook...
moving southeast AT 15 MPH.

Locations impacted include...
Portland, South Portland, Westbrook, Cumberland, Gorham, Falmouth,
Cape Elizabeth, Gray, Scarborough, Yarmouth, Harpswell, Chebeague
Island, Windham and North Yarmouth.

This includes the following highways...
 Interstate 295 between mile markers 1 and 16.
 Interstate 95 between mile markers 43 and 60.

This also includes...
  Higgins Beach.
  Peaks Island, Long Island, Cushing Island, Cousins Island, and
Great Diamond Island.

  * Visibilities will drop quickly to less than a half mile in this
  area of heavy snow showers.

Icy roads are possible as the snow melts on the roads then quickly
refreezes.

LAT...LON 4371 7051 4387 7040 4375 7000 4353 7028
TIME...MOT...LOC 2327Z 297DEG 11KT 4376 7037

MLE

Special Weather Statement
National Weather Service Gray ME
655 PM EST Fri Jan 22 2021

NHZ011-230100-
Cheshire-
655 PM EST Fri Jan 22 2021

...An area of heavy snow showers will affect southwestern Cheshire
County...

At 655 PM EST...An area of heavy snow showers was near Newfane, or
near Townshend...moving east AT 20 MPH.

Locations impacted include...
Keene, Jaffrey, Winchester, Dublin, Richmond, Harrisville, Nelson,
Marlborough, Hinsdale, Roxbury, Troy, Westmoreland, Swanzey,
Chesterfield, Surry, Sullivan, Gilsum and Walpole.

  * Visibilities will drop quickly to less than a half mile in this
  area of heavy snow showers.

Icy roads are possible as the snow melts on the roads then quickly
refreezes.

Conditions can deteriorate rapidly in winter weather situations. Be
prepared for snow or ice covered roads. Slow down and allow extra
time when traveling.

LAT...LON 4292 7252 4295 7253 4296 7252 4298 7246
      4300 7246 4300 7244 4303 7246 4305 7246
      4297 7208 4283 7212 4275 7232 4279 7252
      4281 7254 4287 7256
TIME...MOT...LOC 2355Z 287DEG 18KT 4297 7260

MEC

Special Weather Statement
National Weather Service Gray ME
748 PM EST Fri Jan 22 2021

NHZ011-015-230130-
Western And Central Hillsborough-Cheshire-
748 PM EST Fri Jan 22 2021

...An area of heavy snow showers will affect southeastern Cheshire
and southwestern Hillsborough Counties...

At 748 PM EST...An area of heavy snow showers was near Troy, or near
Jaffrey...moving southeast AT 20 MPH.

Locations impacted include...
Jaffrey, Marlborough, Dublin, Richmond, Rindge, Greenville,
Fitzwilliam, New Ipswich, Troy, Mason, Sharon, Brookline and Temple.

This also includes...
  Mount Monadnock.

Icy roads are possible as the snow melts on the roads then quickly
refreezes.

Conditions can deteriorate rapidly in winter weather situations. Be
prepared for snow or ice covered roads. Slow down and allow extra
time when traveling.

LAT...LON 4272 7216 4272 7218 4276 7227 4289 7215
      4272 7165 4271 7166
TIME...MOT...LOC 0048Z 296DEG 18KT 4281 7213