Winter Weather Advisory 3, NWS Boston/Norton, MA

252 
WWUS41 KBOX 260331
WSWBOX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Boston/Norton MA
1031 PM EST Mon Jan 25 2021

CTZ002-MAZ002-008-009-261145-
/O.CON.KBOX.WW.Y.0003.210126T1800Z-210127T1500Z/
Hartford CT-Western Franklin MA-Western Hampshire MA-
Western Hampden MA-
Including the cities of Hartford, Windsor Locks, Charlemont, 
Chesterfield, and Blandford
1031 PM EST Mon Jan 25 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 PM TUESDAY TO
10 AM EST WEDNESDAY...

* WHAT...Snow expected. Total snow accumulations averaging 2 to 
  3 inches.

* WHERE...In Connecticut, Hartford CT County. In Massachusetts, 
  Western Franklin MA, Western Hampshire MA and Western Hampden 
  MA Counties.

* WHEN...From 1 PM Tuesday to 10 AM EST Wednesday.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the morning or evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$

761 
WWUS41 KBOX 260825
WSWBOX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Boston/Norton MA
325 AM EST Tue Jan 26 2021

MAZ003-004-010-011-026-261630-
/O.EXB.KBOX.WW.Y.0003.210126T1800Z-210127T1800Z/
Eastern Franklin MA-Northern Worcester MA-Eastern Hampshire MA-
Eastern Hampden MA-Northern Middlesex MA-
Including the cities of Greenfield, Orange, Barre, Fitchburg, 
Amherst, Northampton, Springfield, and Ayer
325 AM EST Tue Jan 26 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO
1 PM EST WEDNESDAY...

* WHAT...Snow expected. Total snow accumulations of 2 to 4 
  inches.

* WHERE...Eastern Franklin MA, Northern Worcester MA, Eastern 
  Hampshire MA, Eastern Hampden MA and Northern Middlesex MA 
  Counties.

* WHEN...From 1 PM this afternoon to 1 PM EST Wednesday.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the morning or evening commute.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$

CTZ003-004-MAZ012-261630-
/O.EXB.KBOX.WW.Y.0003.210126T1800Z-210127T1800Z/
Tolland CT-Windham CT-Southern Worcester MA-
Including the cities of Union, Vernon, Putnam, Willimantic, 
Milford, and Worcester
325 AM EST Tue Jan 26 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO
1 PM EST WEDNESDAY...

* WHAT...Snow expected. Total snow accumulations of 2 to 4 
  inches.

* WHERE...In Connecticut, Tolland CT and Windham CT Counties. In 
  Massachusetts, Southern Worcester MA County.

* WHEN...From 1 PM this afternoon to 1 PM EST Wednesday.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the morning or evening commute.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$

CTZ002-MAZ002-008-009-261630-
/O.CON.KBOX.WW.Y.0003.210126T1800Z-210127T1500Z/
Hartford CT-Western Franklin MA-Western Hampshire MA-
Western Hampden MA-
Including the cities of Hartford, Windsor Locks, Charlemont, 
Chesterfield, and Blandford
325 AM EST Tue Jan 26 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 PM THIS
AFTERNOON TO 10 AM EST WEDNESDAY...

* WHAT...Snow expected. Total snow accumulations averaging 2 to 5 
  inches.

* WHERE...In Connecticut, Hartford CT County. In Massachusetts, 
  Western Franklin MA, Western Hampshire MA and Western Hampden 
  MA Counties.

* WHEN...From 1 PM Tuesday to 10 AM EST Wednesday.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the morning or evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$

200 
WWUS41 KBOX 261519
WSWBOX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Boston/Norton MA
1019 AM EST Tue Jan 26 2021

CTZ002-MAZ002-008-009-262330-
/O.CON.KBOX.WW.Y.0003.210126T1800Z-210127T1500Z/
Hartford CT-Western Franklin MA-Western Hampshire MA-
Western Hampden MA-
Including the cities of Hartford, Windsor Locks, Charlemont, 
Chesterfield, and Blandford
1019 AM EST Tue Jan 26 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
WEDNESDAY...

* WHAT...Snow expected. Total snow accumulations of 3 to 5 
  inches.

* WHERE...In Connecticut, Hartford CT County. In Massachusetts, 
  Western Hampshire MA, Western Hampden MA and Western Franklin 
  MA Counties.

* WHEN...Until 10 AM EST Wednesday.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the morning or evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$

MAZ003-004-010-011-026-262330-
/O.CON.KBOX.WW.Y.0003.210126T1800Z-210127T1800Z/
Eastern Franklin MA-Northern Worcester MA-Eastern Hampshire MA-
Eastern Hampden MA-Northern Middlesex MA-
Including the cities of Greenfield, Orange, Barre, Fitchburg, 
Amherst, Northampton, Springfield, and Ayer
1019 AM EST Tue Jan 26 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
WEDNESDAY...

* WHAT...Snow expected. Total snow accumulations of 2 to 4 
  inches.

* WHERE...Eastern Hampden MA, Northern Worcester MA, Northern 
  Middlesex MA, Eastern Franklin MA and Eastern Hampshire MA 
  Counties.

* WHEN...Until 1 PM EST Wednesday.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the morning or evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$

CTZ003-004-MAZ012-262330-
/O.CON.KBOX.WW.Y.0003.210126T1800Z-210127T1800Z/
Tolland CT-Windham CT-Southern Worcester MA-
Including the cities of Union, Vernon, Putnam, Willimantic, 
Milford, and Worcester
1019 AM EST Tue Jan 26 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
WEDNESDAY...

* WHAT...Snow expected. Total snow accumulations of 2 to 4 
  inches.

* WHERE...In Connecticut, Windham CT and Tolland CT Counties. In 
  Massachusetts, Southern Worcester MA County.

* WHEN...Until 1 PM EST Wednesday.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the morning or evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$

791 
WWUS41 KBOX 262013
WSWBOX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Boston/Norton MA
313 PM EST Tue Jan 26 2021

MAZ005-013-017-RIZ001-002-270415-
/O.EXA.KBOX.WW.Y.0003.000000T0000Z-210127T1800Z/
Central Middlesex MA-Western Norfolk MA-Northern Bristol MA-
Northwest Providence RI-Southeast Providence RI-
Including the cities of Framingham, Lowell, Foxborough, Norwood, 
Taunton, Foster, Smithfield, and Providence
313 PM EST Tue Jan 26 2021

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 1 PM EST WEDNESDAY...

* WHAT...Snow. Total snow accumulations of 2 to 4 inches.

* WHERE...Interior eastern Massachusetts and northern Rhode
  Island.

* WHEN...Until 1 PM EST Wednesday.

* IMPACTS...Slippery travel conditions.

* ADDITIONAL DETAILS...Most of the accumulating snow will fall
  through this evening, followed by lighter snow tonight and
  Wednesday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$

CTZ002-MAZ002-008-009-270415-
/O.CON.KBOX.WW.Y.0003.000000T0000Z-210127T1500Z/
Hartford CT-Western Franklin MA-Western Hampshire MA-
Western Hampden MA-
Including the cities of Hartford, Windsor Locks, Charlemont, 
Chesterfield, and Blandford
313 PM EST Tue Jan 26 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
WEDNESDAY...

* WHAT...Snow. Additional snow accumulations of 2 to 4 inches.

* WHERE...Western Massachusetts and Hartford County CT.

* WHEN...Until 10 AM EST Wednesday.

* IMPACTS...Slippery travel conditions.

* ADDITIONAL DETAILS...Most of the accumulating snow will fall
  through this evening, followed by lighter snow tonight and
  Wednesday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$

MAZ003-004-010-011-026-270415-
/O.CON.KBOX.WW.Y.0003.000000T0000Z-210127T1800Z/
Eastern Franklin MA-Northern Worcester MA-Eastern Hampshire MA-
Eastern Hampden MA-Northern Middlesex MA-
Including the cities of Greenfield, Orange, Barre, Fitchburg, 
Amherst, Northampton, Springfield, and Ayer
313 PM EST Tue Jan 26 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
WEDNESDAY...

* WHAT...Snow. Additional snow accumulations of 3 to 5 inches.

* WHERE...Western and north central Massachusetts.

* WHEN...Until 1 PM EST Wednesday.

* IMPACTS...Slippery travel conditions.

* ADDITIONAL DETAILS...Most of the accumulating snow will fall
  through this evening, followed by lighter snow tonight and
  Wednesday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$

CTZ003-004-MAZ012-270415-
/O.CON.KBOX.WW.Y.0003.000000T0000Z-210127T1800Z/
Tolland CT-Windham CT-Southern Worcester MA-
Including the cities of Union, Vernon, Putnam, Willimantic, 
Milford, and Worcester
313 PM EST Tue Jan 26 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
WEDNESDAY...

* WHAT...Snow. Additional snow accumulations of 2 to 4 inches.

* WHERE...Tolland and Windham Counties in CT and Southern
  Worcester County in MA.

* WHEN...Until 1 PM EST Wednesday.

* IMPACTS...Slippery travel conditions.

* ADDITIONAL DETAILS...Most of the accumulating snow will fall
  through this evening, followed by lighter snow tonight and
  Wednesday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$

835 
WWUS41 KBOX 262332
WSWBOX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Boston/Norton MA
632 PM EST Tue Jan 26 2021

MAZ020-021-RIZ003>007-270745-
/O.EXB.KBOX.WW.Y.0003.000000T0000Z-210127T1000Z/
Southern Bristol MA-Southern Plymouth MA-Western Kent RI-
Eastern Kent RI-Bristol RI-Washington RI-Newport RI-
Including the cities of Fall River, New Bedford, Mattapoisett, 
Coventry, West Greenwich, East Greenwich, Warwick, West Warwick, 
Bristol, Narragansett, Westerly, and Newport
632 PM EST Tue Jan 26 2021

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM EST WEDNESDAY...

* WHAT...Periods of light snow and a wintry mix. Additional snow 
  accumulations of up to one inch with a light coating of ice.

* WHERE...Southern Rhode Island and south coastal Massachusetts.

* WHEN...Until 5 AM EST Wednesday.

* IMPACTS...Slippery road conditions.

* ADDITIONAL DETAILS...Spotty light freezing drizzle may result in
  light icing tonight.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$

CTZ002-MAZ002-008-009-270745-
/O.CON.KBOX.WW.Y.0003.000000T0000Z-210127T1500Z/
Hartford CT-Western Franklin MA-Western Hampshire MA-
Western Hampden MA-
Including the cities of Hartford, Windsor Locks, Charlemont, 
Chesterfield, and Blandford
632 PM EST Tue Jan 26 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
WEDNESDAY...

* WHAT...Periods of a light wintry mix of snow and freezing
  drizzle. Additional snow accumulations of 1 to 2 inches with a
  light coasting of ice.

* WHERE...Hartford County CT and western Massachusetts.

* WHEN...Until 10 AM EST Wednesday.

* IMPACTS...Slippery road conditions. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$

MAZ003-004-010-011-026-270745-
/O.CON.KBOX.WW.Y.0003.000000T0000Z-210127T1800Z/
Eastern Franklin MA-Northern Worcester MA-Eastern Hampshire MA-
Eastern Hampden MA-Northern Middlesex MA-
Including the cities of Greenfield, Orange, Barre, Fitchburg, 
Amherst, Northampton, Springfield, and Ayer
632 PM EST Tue Jan 26 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
WEDNESDAY...

* WHAT...Periods of light snow. Additional snow accumulations of 
  1 to 3 inches.

* WHERE...Western and north central Massachusetts.

* WHEN...Until 1 PM EST Wednesday.

* IMPACTS...Slippery road conditions. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$

CTZ003-004-MAZ012-270745-
/O.CON.KBOX.WW.Y.0003.000000T0000Z-210127T1800Z/
Tolland CT-Windham CT-Southern Worcester MA-
Including the cities of Union, Vernon, Putnam, Willimantic, 
Milford, and Worcester
632 PM EST Tue Jan 26 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
WEDNESDAY...

* WHAT...Periods of light snow. Additional snow accumulations of 
  1 to 2 inches.

* WHERE...Northern Connecticut and southern Worcester County MA.

* WHEN...Until 1 PM EST Wednesday.

* IMPACTS...Slippery road conditions. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$

MAZ005-013-017-RIZ001-002-270745-
/O.CON.KBOX.WW.Y.0003.000000T0000Z-210127T1800Z/
Central Middlesex MA-Western Norfolk MA-Northern Bristol MA-
Northwest Providence RI-Southeast Providence RI-
Including the cities of Framingham, Lowell, Foxborough, Norwood, 
Taunton, Foster, Smithfield, and Providence
632 PM EST Tue Jan 26 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
WEDNESDAY...

* WHAT...Periods of light snow. Additional snow accumulations of 
  1 to 2 inches.

* WHERE...Northern Rhode Island and interior eastern
  Massachusetts.

* WHEN...Until 1 PM EST Wednesday.

* IMPACTS...Slippery road conditions. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$

945 
WWUS41 KBOX 270402
WSWBOX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Boston/Norton MA
1102 PM EST Tue Jan 26 2021

CTZ002-MAZ002-008-009-271215-
/O.CON.KBOX.WW.Y.0003.000000T0000Z-210127T1500Z/
Hartford CT-Western Franklin MA-Western Hampshire MA-
Western Hampden MA-
Including the cities of Hartford, Windsor Locks, Charlemont, 
Chesterfield, and Blandford
1102 PM EST Tue Jan 26 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
WEDNESDAY...

* WHAT...Periods of light snow and a wintry mix. Additional snow
  accumulations of up to one inch with a light coating of ice.

* WHERE...Hartford County CT and western Massachusetts.

* WHEN...Until 10 AM EST Wednesday.

* IMPACTS...Slippery road conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$

MAZ003-004-010-011-026-271215-
/O.CON.KBOX.WW.Y.0003.000000T0000Z-210127T1800Z/
Eastern Franklin MA-Northern Worcester MA-Eastern Hampshire MA-
Eastern Hampden MA-Northern Middlesex MA-
Including the cities of Greenfield, Orange, Barre, Fitchburg, 
Amherst, Northampton, Springfield, and Ayer
1102 PM EST Tue Jan 26 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
WEDNESDAY...

* WHAT...Periods of light snow and a wintry mix. Additional snow 
  accumulations of up to one inch with a light coating of ice.

* WHERE...Western and north central Massachusetts.

* WHEN...Until 1 PM EST Wednesday.

* IMPACTS...Slippery road conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$

CTZ003-004-MAZ012-271215-
/O.CON.KBOX.WW.Y.0003.000000T0000Z-210127T1800Z/
Tolland CT-Windham CT-Southern Worcester MA-
Including the cities of Union, Vernon, Putnam, Willimantic, 
Milford, and Worcester
1102 PM EST Tue Jan 26 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
WEDNESDAY...

* WHAT...Periods of light snow and a wintry mix. Additional snow 
  accumulations of up to one inch with a light coating of ice.

* WHERE...Northern Connecticut and southern Worcester County MA.

* WHEN...Until 1 PM EST Wednesday.

* IMPACTS...Slippery road conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$

MAZ005-013-017-RIZ001-002-271215-
/O.CON.KBOX.WW.Y.0003.000000T0000Z-210127T1800Z/
Central Middlesex MA-Western Norfolk MA-Northern Bristol MA-
Northwest Providence RI-Southeast Providence RI-
Including the cities of Framingham, Lowell, Foxborough, Norwood, 
Taunton, Foster, Smithfield, and Providence
1102 PM EST Tue Jan 26 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
WEDNESDAY...

* WHAT...Periods of light snow and a wintry mix. Additional snow 
  accumulations of up to one inch with a light coating of ice.

* WHERE...Northern Rhode Island and interior eastern 
  Massachusetts.

* WHEN...Until 1 PM EST Wednesday.

* IMPACTS...Slippery road conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$

MAZ020-021-RIZ003>007-271000-
/O.CON.KBOX.WW.Y.0003.000000T0000Z-210127T1000Z/
Southern Bristol MA-Southern Plymouth MA-Western Kent RI-
Eastern Kent RI-Bristol RI-Washington RI-Newport RI-
Including the cities of Fall River, New Bedford, Mattapoisett, 
Coventry, West Greenwich, East Greenwich, Warwick, West Warwick, 
Bristol, Narragansett, Westerly, and Newport
1102 PM EST Tue Jan 26 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM EST
WEDNESDAY...

* WHAT...Periods of light snow and a wintry mix. Additional snow 
  accumulations of up to one inch with a light coating of ice.

* WHERE...Southern Rhode Island and south coastal Massachusetts.

* WHEN...Until 5 AM EST Wednesday.

* IMPACTS...Slippery road conditions.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$

641 
WWUS41 KBOX 270853
WSWBOX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Boston/Norton MA
353 AM EST Wed Jan 27 2021

MAZ020-021-RIZ003>007-271000-
/O.CAN.KBOX.WW.Y.0003.000000T0000Z-210127T1000Z/
Southern Bristol MA-Southern Plymouth MA-Western Kent RI-
Eastern Kent RI-Bristol RI-Washington RI-Newport RI-
Including the cities of Fall River, New Bedford, Mattapoisett, 
Coventry, West Greenwich, East Greenwich, Warwick, West Warwick, 
Bristol, Narragansett, Westerly, and Newport
353 AM EST Wed Jan 27 2021

...WINTER WEATHER ADVISORY IS CANCELLED...

Bulk of the snow has ended. Additional minor accumulations with
possibility of light icing this morning is covered with a Special
Weather Statement. 

$$

CTZ003-004-MAZ003>005-010>013-017-026-RIZ001-002-271000-
/O.CAN.KBOX.WW.Y.0003.000000T0000Z-210127T1800Z/
Tolland CT-Windham CT-Eastern Franklin MA-Northern Worcester MA-
Central Middlesex MA-Eastern Hampshire MA-Eastern Hampden MA-
Southern Worcester MA-Western Norfolk MA-Northern Bristol MA-
Northern Middlesex MA-Northwest Providence RI-
Southeast Providence RI-
Including the cities of Union, Vernon, Putnam, Willimantic, 
Greenfield, Orange, Barre, Fitchburg, Framingham, Lowell, 
Amherst, Northampton, Springfield, Milford, Worcester, 
Foxborough, Norwood, Taunton, Ayer, Foster, Smithfield, 
and Providence
353 AM EST Wed Jan 27 2021

...WINTER WEATHER ADVISORY IS CANCELLED...

Bulk of the snow has ended. Additional minor accumulations with
possibility of light icing this morning is covered with a Special
Weather Statement. 

$$

CTZ002-MAZ002-008-009-271000-
/O.CAN.KBOX.WW.Y.0003.000000T0000Z-210127T1500Z/
Hartford CT-Western Franklin MA-Western Hampshire MA-
Western Hampden MA-
Including the cities of Hartford, Windsor Locks, Charlemont, 
Chesterfield, and Blandford
353 AM EST Wed Jan 27 2021

...WINTER WEATHER ADVISORY IS CANCELLED...

Bulk of the snow has ended. Additional minor accumulations with
possibility of light icing this morning is covered with a Special
Weather Statement. 

$$

Area Forecast Discussion
National Weather Service Boston/Norton MA
956 AM EST Mon Jan 25 2021

.SYNOPSIS...

Winds slacken today into tonight as high pressure builds across
southern New England. A warm front produces minor snow
accumulation Tuesday night into Wednesday. Unsettled for midweek
with considerable cloudiness and periods of ocean effect
precipitation as a powerful low pressure near the mid-Atlantic
waters passes well to our south. Period of much below normal
temperatures and low wind chills for late in the week, only
gradually modifying into the weekend.

&&

.NEAR TERM /UNTIL 6 PM THIS EVENING/...

10 AM Update...

Have updated things to bring it in line with the latest
observations, so no changes in the latest update. Just nudged
down temperatures slightly as we were a bit too warm to start
off.

Previous discussion from 6 AM...

Chilly start to Monday with current temps as of this writing in
the teens for most of the interior and coastal plain, to the
lower 20s near the eastern MA coast. Though winds aren't quite
as strong as yesterday, winds around 10-15 mph still making it
feel like the single digits to the teens. Full sun expected with
clear skies, though some high clouds approach late in the day.
After the chilly start to the day, should see highs reach back
into the upper 20s to the mid- upper 30s.

Discussion from 4 AM...

High pressure moves into southern New England today, relaxing
the pressure gradient. Though it will still be gusty from mid
morning into this afternoon, it will not be as strong as
yesterday. With just some patches of mid and high clouds at
times, and weaker cold air advection, expecting high
temperatures to be right around normal for late January.

&&

.SHORT TERM /6 PM THIS EVENING THROUGH 6 PM TUESDAY/...

High pressure will continue to move into our region tonight,
before moving over the ocean by Tuesday evening. Dry weather
with rather light winds prevail through tonight.

25/00Z guidance may be a bit too quick bringing precipitation
back to southern New England Tuesday given the synoptic pattern.
With the high pressure to the east, low levels will start out
rather dry. it will take some time to saturate enough for
precipitation to reach the ground. Stayed on the slower side of
the guidance for this forecast, but still brought at least a
chance for some light snow Tuesday afternoon across the western
half of southern New England. Light snow might not reach the
coast until late in the day.

Temperatures should be near to slightly above normal during this
time.

&&

.LONG TERM /TUESDAY NIGHT THROUGH SUNDAY/...

Highlights...

* Light-accumulating snow Tues night into Wed. Possible need for
  winter weather advisories for the interior/Berkshires.

* Periods of ocean-effect precip and increasing north winds for
  coastal MA and the waters Wed into Thurs, as a powerful
  cyclone near the mid- Atlantic passes well southeast.

* Much colder air, some of the coldest air yet experienced in
  the winter season for late in the week. Sub-zero wind chills
  interior Thurs night, then across most of SNE Fri night.

* Moderating but still below normal temps for the weekend.

* Possible coastal storminess late Sunday or early next week?
  Details still uncertain.

Details:

Tuesday Night into Wednesday Night:

Looking at a couple periods of snow in this period, most notable on
Tues night into early Wed; with lighter snow for later Wed into
early Wed night.

In terms of trends for Tues night-early Wed, the shortwave
disturbance responsible is a bit more robust at the start and also
did note in uptick in QPF across most models. Still suspect the 00z
GFS is a wet outlier given its tendency to overdo QPF in weak to
moderately-forced warm thermal advective regimes. Despite the
increase in model QPF, some of it will also be lost to saturating
the column; even that looks incomplete and could support a
period of FZDZ for a time. Best omega also resides below the
snow growth region, suggesting that the potential for snow of
even moderate- intensity might be tough to come by. The
impression I get is a light- accumulating snow event. However
with 850-700 mb frontogenetic forcing moving in during the
latter half of the PM commute, some minor travel impact
potentially Advisory-worthy now looks possible across
western/central MA into northern CT where snow amounts are in
the 2-5" range (highest totals in the Berkshires). Will hold on
any headlines for now but may need to be considered later.
Further east, amounts up to a couple inches for eastern MA/RI,
and a coating for Cape Cod/Islands.

As the secondary low pulls away early on Wed, models show a signal
for a trailing inverted trough which could focus another round of
light snow mainly for central/eastern MA into RI and less so across
the CT Valley. Snow may mix with rain across parts of southeast MA
and Cape Cod.

Lows mainly in the 20s Tues and Wed nights, and highs Wed in the 30s.

Thursday:

High pressure with northerly flow remains established over Southern
New England on Thurs. A potent shortwave trough moving through the
central Appalachians/mid-Atlantic region on Thurs will lead to a
powerful, sub-980 mb coastal low passing well south of our area
(south of 40N/70W). There remains good clustering in EPS/GEFS/GEPS
ensemble member lows in this progged track, so thinking this should
be a miss for our area. Its main effect would be to increase
northerly winds on our southern waters potentially to Gale levels.
NNE flow with some moisture will likely lead to considerable
cloudiness with potential ocean effect precip/snow for Cape Cod into
South Shore. Highs mid to upper 30s.

Thursday Night into Friday Night:

A short-lived, but significant pattern change toward well below
normal temperatures and low wind chills looks to be in the offing in
this period. This occurs as a piece of the polar vortex centered
over Hudson Bay digs southeast later Thurs night into Fri.

Models continue to advertise some of the coldest air yet experienced
to this point in the winter season intruding into Southern New
England Thurs night into Fri. 925 mb temps fall to around -15
to -20C, not really expected to modify until early in the
weekend. The colder air will be accompanied by NW winds around
15-20 mph/gusts to 30 mph helping to produce low wind chills.
Low temperatures Thurs night in the single digits to mid teens.
It looks like the coldest air comes in Fri into Fri night with
highs only in the teens to low 20s and lows in the single digits
to low teens. Lowest wind chills Thurs night/early Fri between
5 above and 5 below zero, and around -10F across the Berkshires.
By Fri night, wind chills project even lower given the colder
air. Outside of Cape Cod, most areas should see sub- zero wind
chills with values in parts of the interior potentially
approaching Advisory levels. The air mass is so dry that opted
for a dry forecast despite the potent upper low digging
southward.

The Weekend:

The very cold air mass gradually modifies into the weekend, with
high pressure remaining in control. This should support mainly dry
weather into Sunday, though temperatures will still trend below-
average for late January.

Later Sunday into Mon, there are indications of coastal storminess
reflected in deterministic and ensemble guidance passing near or
over SNE. Typical large spread in ensemble member lows at this
range as well as varied timing limits predictability, but this
late- weekend/early-next week period is one that bears watching
for possible wintry weather.

&&

.AVIATION /15Z MONDAY THROUGH FRIDAY/...

Forecaster Confidence Levels.

Low - less than 30 percent.
Moderate - 30 to 60 percent.
High - greater than 60 percent.

12z TAF Update:

Today and Tonight: High confidence.

VFR. Gusty NW winds continue through today.

Tuesday: High confidence in trends. Moderate confidence in
precipitation timing.

VFR most of the day with mid and high clouds increasing through
the day. Risk for light snow with MVFR/IFR conditions develops
from W to E during the afternoon.

KBOS TAF...High confidence in TAF.

KBDL TAF...High confidence in TAF.

Outlook /Tuesday Night through Friday/...

Tuesday Night: MVFR/IFR conditions possible. SN likely.

Wednesday: MVFR/IFR conditions possible. Chance SN, chance RA.

Wednesday Night: Mainly IFR, with local MVFR possible. Breezy.
Chance SHSN.

Thursday: Mainly VFR, with local IFR possible. Windy with gusts
up to 35 kt.

Thursday Night: VFR. Windy with local gusts up to 30 kt.

Friday: VFR. Breezy.

&&

.MARINE...

NW winds will continue to diminish today into tonight as a high
pressure overspreads the waters. Threat of freezing spray
across the eastern coastal waters diminishes this morning. Rough
seas will continue to subside as well.

Small Craft Advisories continue into tonight for the eastern
outer coastal waters. Closer to shore, canceled the advisories
for most of the south coastal waters based on latest
observations and expectations. Extended the Small Craft
Advisories for Boston Harbor and Nantucket Sound as latest
observations indicated it will take a little longer for
conditions to improve.

Outlook /Tuesday Night through Friday/...

Tuesday Night: Winds less than 25 kt. Chance of snow, chance of
rain.

Wednesday: Winds less than 25 kt. Chance of rain.

Wednesday Night: Low risk for Small Craft Advisory winds with
gusts up to 25 kt. Areas of seas approaching 5 ft. Chance of
rain showers. Local visibility 1 to 3 nm.

Thursday: Low risk for gale force winds with gusts up to 35 kt.
Areas of rough seas. Slight chance of rain showers.

Thursday Night: Strong winds with gusts up to 35 kt. Rough seas
up to 10 ft. Slight chance of snow showers. Areas of visibility
1 to 3 nm.

Friday: Moderate risk for Small Craft Advisory winds with gusts
up to 25 kt. Rough seas up to 12 ft. Slight chance of snow
showers. Areas of visibility 1 to 3 nm.

&&

.BOX WATCHES/WARNINGS/ADVISORIES...
CT...None.
MA...None.
RI...None.
MARINE...Small Craft Advisory until 11 PM EST this evening for ANZ250.
     Small Craft Advisory until 7 PM EST this evening for ANZ231-
     251.
     Small Craft Advisory until 2 AM EST Tuesday for ANZ254.
     Small Craft Advisory until 11 AM EST this morning for ANZ255.

&&

SYNOPSIS...Belk/BL/Loconto
NEAR TERM...Belk/BL/Loconto
SHORT TERM...Belk
LONG TERM...Loconto
AVIATION...Belk/Loconto
MARINE...Belk/Loconto

Hazardous Weather Outlook
National Weather Service Boston/Norton MA
428 AM EST Mon Jan 25 2021

MAZ005>007-013>024-026-RIZ001>008-260930-
Central Middlesex MA-Western Essex MA-Eastern Essex MA-
Western Norfolk MA-Southeast Middlesex MA-Suffolk MA-
Eastern Norfolk MA-Northern Bristol MA-Western Plymouth MA-
Eastern Plymouth MA-Southern Bristol MA-Southern Plymouth MA-
Barnstable MA-Dukes MA-Nantucket MA-Northern Middlesex MA-
Northwest Providence RI-Southeast Providence RI-Western Kent RI-
Eastern Kent RI-Bristol RI-Washington RI-Newport RI-Block Island RI-
428 AM EST Mon Jan 25 2021

This Hazardous Weather Outlook is for eastern Massachusetts,
northeastern Massachusetts, southeastern Massachusetts, and Rhode
Island.

.DAY ONE...Today and tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

CTZ002>004-MAZ002>004-008>012-260930-
Hartford CT-Tolland CT-Windham CT-Western Franklin MA-
Eastern Franklin MA-Northern Worcester MA-Western Hampshire MA-
Western Hampden MA-Eastern Hampshire MA-Eastern Hampden MA-
Southern Worcester MA-
428 AM EST Mon Jan 25 2021

This Hazardous Weather Outlook is for northern Connecticut, central
Massachusetts and western Massachusetts.

.DAY ONE...Today and tonight.

Hazardous weather is not expected at this time.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Light snow with minor accumulations are expected Tuesday night into
Wednesday. Winter Weather Advisories may be needed.

Otherwise, the probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

ANZ230>237-250-251-254>256-260930-
Boston Harbor-Cape Cod Bay-Nantucket Sound-Vineyard Sound-
Buzzards Bay-Rhode Island Sound-Narragansett Bay-Block Island Sound-
Coastal waters east of Ipswich Bay and the Stellwagen Bank National
Marine Sanctuary-Massachusetts Bay and Ipswich Bay-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
Coastal Waters extending out to 25 nm South of Marthas Vineyard and
Nantucket-
Coastal Waters from Montauk NY to Marthas Vineyard extending out to
20 nm South of Block Island-
428 AM EST Mon Jan 25 2021

This Hazardous Weather Outlook is for Massachusetts and Rhode
Island coastal waters.

.DAY ONE...Today and tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

For more information on upcoming hazardous weather, please see the
Area Forecast Discussion on our webpage for the latest forecast
thinking. There is also our Enhanced Hazardous Weather Outlook at
www.weather.gov/box/ehwo

For the latest updates...please visit our webpage at
www.weather.gov/boston

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www.facebook.com/us.nationalweatherservice.boston.gov

You can follow us on Twitter at
@NWSBoston