Alert archive / Massachusetts / Winter Storm Warnings in 2011

Winter Storm Warning 6, NWS Boston/Norton, MA

January 20, 20114 states

NWS Boston/Norton, MA issued this winter storm warning at Jan 20, 2011, 3:50 PM EST for 4 states. It took effect at Jan 21, 2011, 12:00 AM EST. It was in force for 13 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jan 20, 2011, 3:50 PM EST (20:50 UTC)
In effect from
Jan 21, 2011, 12:00 AM EST
Expired
Jan 21, 2011, 12:52 PM EST
In force
13 hr
Issued by
NWS Boston/Norton, MA

Counties Capitol Planning Region, CT, Northeastern Connecticut Planning Region, CT, Bristol County, MA, Essex County, MA, Franklin County, MA, Hampden County, MA, Hampshire County, MA, Middlesex County, MA, Norfolk County, MA, Plymouth County, MA, Suffolk County, MA, Worcester County, MA, Hillsborough County, NH, Bristol County, RI, Kent County, RI, Newport County, RI, Providence County, RI, Washington County, RI

The radar

The Boston radar (KBOX), 45 km from the middle of the area, began a volume at 20:51 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Chatham, MA (KCHH), launched 12:00Z, 8.8 hours before the alert went out and 147 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Chatham, MA at 12:00Z on 2011-01-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Chatham, MA at 12:00Z on 2011-01-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
564 m above ground
0-6 km bulk shear
70 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
120 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

177 
WWUS41 KBOX 202050
WSWBOX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
350 PM EST THU JAN 20 2011

...A HIGH IMPACT BUT SHORT DURATION SNOWSTORM WILL AFFECT MUCH OF
THE REGION VERY LATE TONIGHT INTO EARLY FRIDAY AFTERNOON...

MAZ024-202200-
/O.CAN.KBOX.WW.Y.0006.110121T0500Z-110121T1700Z/
NANTUCKET MA-
INCLUDING THE CITY OF...NANTUCKET
350 PM EST THU JAN 20 2011

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS CANCELLED THE WINTER
WEATHER ADVISORY. 

SNOW OR A MIXTURE OF RAIN AND SNOW IS EXPECTED TO OVERSPREAD
NANTUCKET BETWEEN 3 AND 5 AM. ITS POSSIBLE THAT A QUICK ONE HALF TO 2
INCHES OF SNOW OCCURS...BUT A QUICK CHANGE TO RAIN IS EXPECTED
BETWEEN 6 AND 9 AM. THEREFORE...THE WINTER WEATHER ADVISORY HAS
BEEN CANCELLED.

$$

MAZ004>007-012>020-026-RIZ001>007-210500-
/O.UPG.KBOX.WW.Y.0006.110121T0500Z-110121T1700Z/
/O.NEW.KBOX.WS.W.0006.110121T0700Z-110121T2000Z/
NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA-WESTERN ESSEX MA-
EASTERN ESSEX MA-SOUTHERN WORCESTER MA-WESTERN NORFOLK MA-
SOUTHEAST MIDDLESEX MA-SUFFOLK MA-EASTERN NORFOLK MA-
NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-
SOUTHERN BRISTOL MA-NORTHERN MIDDLESEX MA-NORTHWEST PROVIDENCE RI-
SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-EASTERN KENT RI-
BRISTOL RI-WASHINGTON RI-NEWPORT RI-
INCLUDING THE CITIES OF...BARRE...FITCHBURG...FRAMINGHAM...
LOWELL...LAWRENCE...GLOUCESTER...MILFORD...WORCESTER...FOXBORO...
NORWOOD...CAMBRIDGE...BOSTON...QUINCY...TAUNTON...BROCKTON...
PLYMOUTH...FALL RIVER...NEW BEDFORD...AYER...FOSTER...
SMITHFIELD...PROVIDENCE...WEST GREENWICH...WARWICK...BRISTOL...
NARRAGANSETT...WESTERLY...NEWPORT
350 PM EST THU JAN 20 2011

...WINTER STORM WARNING IN EFFECT FROM 2 AM TO 3 PM EST FRIDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM
2 AM TO 3 PM EST FRIDAY. THE WINTER WEATHER ADVISORY IS NO LONGER
IN EFFECT. 

* LOCATIONS...CENTRAL AND EASTERN MASSACHUSETTS NORTH OF THE CAPE
  COD CANAL...AS WELL AS RHODE ISLAND.

* HAZARD TYPES...HEAVY SNOW.

* ACCUMULATIONS...5 TO 8 INCHES OF SNOW.

* TIMING...SNOW WILL OVERSPREAD THE REGION FROM WEST TO EAST
  BETWEEN 1 AND 5 AM FRIDAY. SNOW WILL QUICKLY BECOME HEAVY AT
  TIMES. SNOW WILL COME TO AN END FROM WEST TO EAST BY EARLY TO
  MID AFTERNOON.

* IMPACTS...HEAVY SNOW WILL HAVE A SIGNIFICANT IMPACT ON THE
  FRIDAY MORNING RUSH HOUR. SNOWFALL RATES OF 1 TO 2 INCHES PER
  HOUR ARE POSSIBLE AND ROADS WILL QUICKLY BECOME SNOW COVERED AND
  SLIPPERY.

* WINDS...NORTH 10 TO 20 MPH.

* TEMPERATURES...IN THE MID 20S.

* VISIBILITIES...ONE QUARTER OF A MILE AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING IS ISSUED WHEN AN AVERAGE OF 6 OR MORE
INCHES OF SNOW IS EXPECTED IN A 12 HOUR PERIOD...OR FOR 8 OR MORE
INCHES IN A 24 HOUR PERIOD. TRAVEL WILL BE SLOW AT BEST ON WELL
TREATED SURFACES...AND QUITE DIFFICULT ON ANY UNPLOWED OR
UNTREATED SURFACES.

&&

$$

CTZ002>004-MAZ002-003-008>011-210500-
/O.UPG.KBOX.WW.Y.0006.110121T0500Z-110121T1700Z/
/O.NEW.KBOX.WS.W.0006.110121T0500Z-110121T1700Z/
HARTFORD CT-TOLLAND CT-WINDHAM CT-WESTERN FRANKLIN MA-
EASTERN FRANKLIN MA-WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-
EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...PUTNAM...WILLIMANTIC...CHARLEMONT...GREENFIELD...
ORANGE...CHESTERFIELD...BLANDFORD...AMHERST...NORTHAMPTON...
SPRINGFIELD
350 PM EST THU JAN 20 2011

...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO NOON
EST FRIDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO
NOON EST FRIDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN
EFFECT.

* LOCATIONS...WESTERN MASSACHUSETTS AND NORTHERN CONNECTICUT.

* HAZARD TYPES...HEAVY SNOW.

* ACCUMULATIONS...4 TO 8 INCHES OF SNOW.

* TIMING...SNOW WILL OVERSPREAD THE REGION FROM WEST TO EAST
  BETWEEN 1 AM AND 5 AM FRIDAY. SNOW WILL QUICKLY BECOME HEAVY AT
  TIMES AND CONTINUE FRIDAY MORNING. SNOW WILL COME TO AN END FROM
  WEST TO EAST BY EARLY TO MID AFTERNOON.

* IMPACTS...HEAVY SNOW WILL HAVE A SIGNIFICANT IMPACT ON THE FRIDAY
  MORNING RUSH HOUR. SNOWFALL RATES OF 1 TO 2 INCHES PER HOUR ARE
  EXPECTED AND ROADS WILL QUICKLY BECOME SNOW COVERED AND SLIPPERY.

* WINDS...NORTH 10 TO 15 MPH.

* TEMPERATURES...IN THE LOWER 20S.

* VISIBILITIES...ONE QUARTER OF A MILE AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING IS ISSUED WHEN AN AVERAGE OF 6 OR MORE
INCHES OF SNOW IS EXPECTED IN A 12 HOUR PERIOD...OR FOR 8 OR MORE
INCHES IN A 24 HOUR PERIOD. TRAVEL WILL BE SLOW AT BEST ON WELL
TREATED SURFACES...AND QUITE DIFFICULT ON ANY UNPLOWED OR
UNTREATED SURFACES.

&&

$$

NHZ012-015-210500-
/O.NEW.KBOX.WS.W.0006.110121T0700Z-110121T2000Z/
EASTERN HILLSBOROUGH NH-WESTERN AND CENTRAL HILLSBOROUGH NH-
INCLUDING THE CITIES OF...MANCHESTER...NASHUA...PETERBOROUGH...
WEARE
350 PM EST THU JAN 20 2011

...WINTER STORM WARNING IN EFFECT FROM 2 AM TO 3 PM EST FRIDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 2 AM TO 3 PM EST
FRIDAY.

* LOCATIONS...HILLSBOROUGH COUNTY IN SOUTHERN NEW HAMPSHIRE.

* HAZARD TYPES...HEAVY SNOW.

* ACCUMULATIONS...4 TO 8 INCHES OF SNOW.

* TIMING...SNOW WILL OVERSPREAD THE REGION FROM WEST TO EAST
  BETWEEN 2 AM AND 4 AM. SNOW WILL QUICKLY BECOME HEAVY AT TIMES
  AND HAVE A SIGNIFICANT IMPACT ON THE FRIDAY MORNING RUSH HOUR.
  SNOW WILL COME TO AN END FROM WEST TO EAST BY EARLY TO MID
  AFTERNOON.

* IMPACTS...HEAVY SNOW WILL HAVE A SIGNIFICANT IMPACT ON THE
  FRIDAY MORNING RUSH HOUR. SNOWFALL RATES OF 1 TO 2 INCHES PER
  HOUR ARE POSSIBLE AND ROADS WILL QUICKLY BECOME SNOW COVERED AND
  SLIPPERY.

* WINDS...NORTH 10 TO 15 MPH.

* TEMPERATURES...11 TO 26.

* VISIBILITIES...ONE QUARTER OF A MILE OR LESS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING IS ISSUED WHEN AN AVERAGE OF 6 OR MORE
INCHES OF SNOW IS EXPECTED IN A 12 HOUR PERIOD...OR FOR 8 OR MORE
INCHES IN A 24 HOUR PERIOD. TRAVEL WILL BE SLOW AT BEST ON WELL
TREATED SURFACES...AND QUITE DIFFICULT ON ANY UNPLOWED OR
UNTREATED SURFACES.

&&

$$

NHZ011-210500-
/O.EXB.KBOX.WW.Y.0006.110121T0500Z-110121T1800Z/
CHESHIRE NH-
INCLUDING THE CITIES OF...JAFFREY...KEENE
350 PM EST THU JAN 20 2011

...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO
1 PM EST FRIDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT
TO 1 PM EST FRIDAY.

* LOCATIONS...CHESHIRE COUNTY IN SOUTHERN NEW HAMPSHIRE.

* HAZARD TYPES...SNOW

* ACCUMULATIONS...4 TO 6 INCHES OF SNOW.

* TIMING...SNOW WILL BEGIN BETWEEN MIDNIGHT AND 2 AM. SNOW WILL
  CONTINUE TO FALL THROUGH THE MORNING AND TAPER OFF BY EARLY AFTERNOON.

* IMPACTS...SNOW WILL HAVE A SIGNIFICANT IMPACT ON THE FRIDAY
  MORNING RUSH HOUR. SNOW FALL RATES OF UP TO 1 INCH PER HOUR WILL
  CAUSE UNTREATED ROADS TO QUICKLY BECOME SNOW COVERED AND SLIPPERY.

* WINDS...NORTH UP TO 5 MPH.

* TEMPERATURES...11 TO 24.

* VISIBILITIES...ONE HALF MILE AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY IS ISSUED WHEN SNOW AND/OR ICE IS
FORECAST TO DEVELOP IN THE AFFECTED AREAS...BUT ACCUMULATIONS ARE
EXPECTED TO BE LIGHT. ANY SNOW OR ICE WOULD MAKE DRIVING AND
WALKING DIFFICULT...BUT NOT IMPOSSIBLE...ON UNTREATED ROADWAYS
AND SIDEWALKS.  WHEN TEMPERATURES ARE BELOW FREEZING...MOTORISTS
NEED TO BE ESPECIALLY CAREFUL ON BRIDGES AND OVERPASSES WHERE
SLIPPERY SPOTS CAN EASILY DEVELOP.

&&

$$

MAZ021>023-RIZ008-210500-
/O.CON.KBOX.WW.Y.0006.110121T0500Z-110121T1700Z/
SOUTHERN PLYMOUTH MA-BARNSTABLE MA-DUKES MA-BLOCK ISLAND RI-
INCLUDING THE CITIES OF...MATTAPOISETT...CHATHAM...FALMOUTH...
PROVINCETOWN...VINEYARD HAVEN...BLOCK ISLAND
350 PM EST THU JAN 20 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT
TONIGHT TO NOON EST FRIDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO NOON EST FRIDAY. 

* LOCATIONS...FAR SOUTHERN PLYMOUTH COUNTY...CAPE COD...MARTHAS
  VINEYARD AND BLOCK ISLAND.

* HAZARD TYPES...SNOW CHANGING TO RAIN ACROSS MOST OF THE REGION.

* ACCUMULATIONS...1 TO 4 INCHES WITH 3 TO 6 INCHES POSSIBLE ACROSS
  EXTREME SOUTHERN PLYMOUTH COUNTY.

* TIMING...SNOW WILL DEVELOP BETWEEN 3 AND 5 AM. THE SNOW MAY BE
  HEAVY FOR A SHORT TIME...BUT WARMER AIR MOVING IN OFF THE OCEAN
  SHOULD CHANGE THE SNOW TO RAIN BY MID MORNING ACROSS MOST OF THE
  REGION. PORTIONS OF FAR SOUTHERN PLYMOUTH COUNTY MAY STAY MOSTLY
  SNOW...ALLOWING FOR HIGHER ACCUMULATIONS.

* IMPACTS...SNOW WILL BE FALLING MODERATE TO HEAVY FOR THE START
  OF THE MORNING RUSH HOUR. UNTREATED ROADS WILL QUICKLY BECOME
  SNOW COVERED AND SLIPPERY. EVEN WHEN THE CHANGE TO RAIN OCCURS
  ACROSS MOST OF THE REGION...A MESSY COMMUTE IS STILL EXPECTED.
  THE PRECIPITATION SHOULD COME TO AN END BY EARLY AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY IS ISSUED WHEN SNOW AND/OR ICE IS
FORECAST TO DEVELOP IN THE AFFECTED AREAS...BUT ACCUMULATIONS ARE
EXPECTED TO BE LIGHT. ANY SNOW OR ICE WOULD MAKE DRIVING AND
WALKING DIFFICULT...BUT NOT IMPOSSIBLE...ON UNTREATED ROADWAYS
AND SIDEWALKS.  WHEN TEMPERATURES ARE BELOW FREEZING...MOTORISTS
NEED TO BE ESPECIALLY CAREFUL ON BRIDGES AND OVERPASSES WHERE
SLIPPERY SPOTS CAN EASILY DEVELOP.

&&

$$

FRANK
5 follow-up statements
023 
WWUS41 KBOX 210548 AAA
WSWBOX

URGENT - WINTER WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE TAUNTON MA
1248 AM EST FRI JAN 21 2011

...A HIGH IMPACT BUT SHORT DURATION SNOWSTORM WILL AFFECT MUCH OF
THE REGION FRIDAY MORNING...

MAZ004>007-012>020-026-NHZ012-015-RIZ001>007-211000-
/O.CON.KBOX.WS.W.0006.110121T0700Z-110121T2000Z/
NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA-WESTERN ESSEX MA-
EASTERN ESSEX MA-SOUTHERN WORCESTER MA-WESTERN NORFOLK MA-
SOUTHEAST MIDDLESEX MA-SUFFOLK MA-EASTERN NORFOLK MA-
NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-
SOUTHERN BRISTOL MA-NORTHERN MIDDLESEX MA-EASTERN HILLSBOROUGH NH-
WESTERN AND CENTRAL HILLSBOROUGH NH-NORTHWEST PROVIDENCE RI-
SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-EASTERN KENT RI-
BRISTOL RI-WASHINGTON RI-NEWPORT RI-
INCLUDING THE CITIES OF...BARRE...FITCHBURG...FRAMINGHAM...
LOWELL...LAWRENCE...GLOUCESTER...MILFORD...WORCESTER...FOXBORO...
NORWOOD...CAMBRIDGE...BOSTON...QUINCY...TAUNTON...BROCKTON...
PLYMOUTH...FALL RIVER...NEW BEDFORD...AYER...MANCHESTER...
NASHUA...PETERBOROUGH...WEARE...FOSTER...SMITHFIELD...
PROVIDENCE...WEST GREENWICH...WARWICK...BRISTOL...NARRAGANSETT...
WESTERLY...NEWPORT
1248 AM EST FRI JAN 21 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM EST THIS
AFTERNOON...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM EST THIS
AFTERNOON. 

* LOCATIONS...CENTRAL AND EASTERN MASSACHUSETTS NORTH OF THE 
  CAPE COD CANAL...AS WELL AS RHODE ISLAND. 

* HAZARD TYPES...HEAVY SNOW.

* ACCUMULATIONS...4 TO 7 INCHES OF SNOW.

* TIMING...SNOW WILL OVERSPREAD THE REGION FROM WEST TO EAST 
  BETWEEN 1 AND 5 AM FRIDAY. SNOW WILL QUICKLY BECOME HEAVY AT 
  TIMES. SNOW WILL COME TO AN END FROM WEST TO EAST BY EARLY TO 
  MID AFTERNOON. 

* IMPACTS...HEAVY SNOW WILL HAVE A SIGNIFICANT IMPACT ON THE
  FRIDAY MORNING RUSH HOUR. SNOWFALL RATES OF UP TO AN INCH PER
  HOUR ARE LIKELY AND ROADS WILL QUICKLY BECOME SNOW COVERED AND
  SLIPPERY.

* WINDS...NORTH 10 TO 20 MPH.

* TEMPERATURES...IN THE MID 20S.

* VISIBILITIES...ONE QUARTER OF A MILE AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING IS ISSUED WHEN AN AVERAGE OF 6 OR MORE
INCHES OF SNOW IS EXPECTED IN A 12 HOUR PERIOD...OR FOR 8 OR MORE
INCHES IN A 24 HOUR PERIOD. TRAVEL WILL BE SLOW AT BEST ON WELL
TREATED SURFACES...AND QUITE DIFFICULT ON ANY UNPLOWED OR
UNTREATED SURFACES.

&&

$$

CTZ002>004-MAZ002-003-008>011-211000-
/O.CON.KBOX.WS.W.0006.000000T0000Z-110121T1700Z/
HARTFORD CT-TOLLAND CT-WINDHAM CT-WESTERN FRANKLIN MA-
EASTERN FRANKLIN MA-WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-
EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...PUTNAM...WILLIMANTIC...CHARLEMONT...GREENFIELD...
ORANGE...CHESTERFIELD...BLANDFORD...AMHERST...NORTHAMPTON...
SPRINGFIELD
1248 AM EST FRI JAN 21 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON EST TODAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON EST TODAY. 

* LOCATIONS...WESTERN MASSACHUSETTS AND NORTHERN CONNECTICUT.

* HAZARD TYPES...HEAVY SNOW.

* ACCUMULATIONS...4 TO 7 INCHES OF SNOW.

* TIMING...SNOW WILL OVERSPREAD THE REGION FROM WEST TO EAST 
  BETWEEN 1 AM AND 5 AM FRIDAY. SNOW WILL QUICKLY BECOME HEAVY 
  AT TIMES AND CONTINUE FRIDAY MORNING. SNOW WILL COME TO AN END 
  FROM WEST TO EAST BY EARLY TO MID AFTERNOON. 

* IMPACTS...HEAVY SNOW WILL HAVE A SIGNIFICANT IMPACT ON THE
  FRIDAY MORNING RUSH HOUR. SNOWFALL RATES OF UP TO ONE INCH PER HOUR
  ARE EXPECTED AND ROADS WILL QUICKLY BECOME SNOW COVERED AND
  SLIPPERY.

* WINDS...NORTH 10 TO 15 MPH.

* TEMPERATURES...IN THE LOWER 20S.

* VISIBILITIES...ONE QUARTER OF A MILE AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING IS ISSUED WHEN AN AVERAGE OF 6 OR MORE
INCHES OF SNOW IS EXPECTED IN A 12 HOUR PERIOD...OR FOR 8 OR MORE
INCHES IN A 24 HOUR PERIOD. TRAVEL WILL BE SLOW AT BEST ON WELL
TREATED SURFACES...AND QUITE DIFFICULT ON ANY UNPLOWED OR
UNTREATED SURFACES.

&&

$$

MAZ021>023-RIZ008-211000-
/O.CON.KBOX.WW.Y.0006.000000T0000Z-110121T1700Z/
SOUTHERN PLYMOUTH MA-BARNSTABLE MA-DUKES MA-BLOCK ISLAND RI-
INCLUDING THE CITIES OF...MATTAPOISETT...CHATHAM...FALMOUTH...
PROVINCETOWN...VINEYARD HAVEN...BLOCK ISLAND
1248 AM EST FRI JAN 21 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON EST
TODAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON EST TODAY.

* LOCATIONS...FAR SOUTHERN PLYMOUTH COUNTY...CAPE COD...MARTHAS 
  VINEYARD AND BLOCK ISLAND. 

* HAZARD TYPES...SNOW CHANGING TO RAIN ACROSS MOST OF THE REGION.

* ACCUMULATIONS...1 TO 4 INCHES WITH 3 TO 6 INCHES POSSIBLE 
  ACROSS EXTREME SOUTHERN PLYMOUTH COUNTY. 

* TIMING...SNOW WILL DEVELOP BETWEEN 3 AND 5 AM. THE SNOW MAY BE 
  HEAVY FOR A SHORT TIME...BUT WARMER AIR MOVING IN OFF THE 
  OCEAN SHOULD CHANGE THE SNOW TO RAIN BY MID MORNING ACROSS 
  MOST OF THE REGION. PORTIONS OF FAR SOUTHERN PLYMOUTH COUNTY 
  MAY STAY MOSTLY SNOW...ALLOWING FOR HIGHER ACCUMULATIONS. 

* IMPACTS...SNOW WILL BE FALLING MODERATE TO HEAVY FOR THE START 
  OF THE MORNING RUSH HOUR. UNTREATED ROADS WILL QUICKLY BECOME 
  SNOW COVERED AND SLIPPERY. EVEN WHEN THE CHANGE TO RAIN OCCURS 
  ACROSS MOST OF THE REGION...A MESSY COMMUTE IS STILL EXPECTED. 
  THE PRECIPITATION SHOULD COME TO AN END BY EARLY AFTERNOON. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY IS ISSUED WHEN SNOW AND/OR ICE IS
FORECAST TO DEVELOP IN THE AFFECTED AREAS...BUT ACCUMULATIONS ARE
EXPECTED TO BE LIGHT. ANY SNOW OR ICE WOULD MAKE DRIVING AND
WALKING DIFFICULT...BUT NOT IMPOSSIBLE...ON UNTREATED ROADWAYS
AND SIDEWALKS.  WHEN TEMPERATURES ARE BELOW FREEZING...MOTORISTS
NEED TO BE ESPECIALLY CAREFUL ON BRIDGES AND OVERPASSES WHERE
SLIPPERY SPOTS CAN EASILY DEVELOP.

&&

$$

NHZ011-211000-
/O.CON.KBOX.WW.Y.0006.000000T0000Z-110121T1800Z/
CHESHIRE NH-
INCLUDING THE CITIES OF...JAFFREY...KEENE
1248 AM EST FRI JAN 21 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON. 

* LOCATIONS...CHESHIRE COUNTY IN SOUTHERN NEW HAMPSHIRE.

* HAZARD TYPES...SNOW

* ACCUMULATIONS...4 TO 6 INCHES OF SNOW.

* TIMING...SNOW WILL BEGIN BETWEEN MIDNIGHT AND 2 AM. SNOW WILL 
  CONTINUE TO FALL THROUGH THE MORNING AND TAPER OFF BY EARLY 
  AFTERNOON. 

* IMPACTS...SNOW WILL HAVE A SIGNIFICANT IMPACT ON THE FRIDAY 
  MORNING RUSH HOUR. SNOW FALL RATES OF UP TO 1 INCH PER HOUR 
  WILL CAUSE UNTREATED ROADS TO QUICKLY BECOME SNOW COVERED AND 
  SLIPPERY. 

* WINDS...NORTH UP TO 5 MPH.

* TEMPERATURES...11 TO 24.

* VISIBILITIES...ONE HALF MILE AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY IS ISSUED WHEN SNOW AND/OR ICE IS
FORECAST TO DEVELOP IN THE AFFECTED AREAS...BUT ACCUMULATIONS ARE
EXPECTED TO BE LIGHT. ANY SNOW OR ICE WOULD MAKE DRIVING AND
WALKING DIFFICULT...BUT NOT IMPOSSIBLE...ON UNTREATED ROADWAYS
AND SIDEWALKS.  WHEN TEMPERATURES ARE BELOW FREEZING...MOTORISTS
NEED TO BE ESPECIALLY CAREFUL ON BRIDGES AND OVERPASSES WHERE
SLIPPERY SPOTS CAN EASILY DEVELOP.

&&

$$
978 
WWUS41 KBOX 210917 AAA
WSWBOX

URGENT - WINTER WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE TAUNTON MA
417 AM EST FRI JAN 21 2011

...A HIGH IMPACT BUT SHORT DURATION SNOWSTORM WILL AFFECT MUCH OF
THE REGION THIS MORNING...

MAZ004>007-012>020-026-NHZ012-015-RIZ001>007-211730-
/O.CON.KBOX.WS.W.0006.000000T0000Z-110121T2000Z/
NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA-WESTERN ESSEX MA-
EASTERN ESSEX MA-SOUTHERN WORCESTER MA-WESTERN NORFOLK MA-
SOUTHEAST MIDDLESEX MA-SUFFOLK MA-EASTERN NORFOLK MA-
NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-
SOUTHERN BRISTOL MA-NORTHERN MIDDLESEX MA-EASTERN HILLSBOROUGH NH-
WESTERN AND CENTRAL HILLSBOROUGH NH-NORTHWEST PROVIDENCE RI-
SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-EASTERN KENT RI-
BRISTOL RI-WASHINGTON RI-NEWPORT RI-
INCLUDING THE CITIES OF...BARRE...FITCHBURG...FRAMINGHAM...
LOWELL...LAWRENCE...GLOUCESTER...MILFORD...WORCESTER...FOXBORO...
NORWOOD...CAMBRIDGE...BOSTON...QUINCY...TAUNTON...BROCKTON...
PLYMOUTH...FALL RIVER...NEW BEDFORD...AYER...MANCHESTER...
NASHUA...PETERBOROUGH...WEARE...FOSTER...SMITHFIELD...
PROVIDENCE...WEST GREENWICH...WARWICK...BRISTOL...NARRAGANSETT...
WESTERLY...NEWPORT
417 AM EST FRI JAN 21 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM EST THIS
AFTERNOON...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM EST THIS
AFTERNOON. 

* LOCATIONS...CENTRAL AND EASTERN MASSACHUSETTS NORTH OF THE 
  CAPE COD CANAL...AS WELL AS RHODE ISLAND. 

* HAZARD TYPES...HEAVY SNOW.

* ACCUMULATIONS...4 TO 7 INCHES OF SNOW.

* TIMING...AT 4 AM SNOW HAS OVERSPREAD MOST OF THE REGION WITH
  ROADS QUICKLY BECOMING SNOW COVERED. SNOW WILL BECOME HEAVY AT
  TIMES DURING THE MORNING COMMUTE. SNOW WILL COME TO AN END FROM
  WEST TO EAST LATE THIS MORNING AND EARLY AFTERNOON.

* IMPACTS...HEAVY SNOW WILL HAVE A SIGNIFICANT IMPACT ON THE THIS
  MORNING RUSH HOUR. SNOWFALL RATES OF UP TO AN INCH PER HOUR ARE
  LIKELY AND ROADS WILL QUICKLY BECOME SNOW COVERED AND SLIPPERY.
  THE HEAVIEST SNOW WILL FALL FROM APPROXIMATELY 6 AM TO 10 AM. 

* WINDS...NORTH 10 TO 20 MPH.

* TEMPERATURES...IN THE MID 20S.

* VISIBILITIES...ONE QUARTER OF A MILE AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING IS ISSUED WHEN AN AVERAGE OF 6 OR MORE
INCHES OF SNOW IS EXPECTED IN A 12 HOUR PERIOD...OR FOR 8 OR MORE
INCHES IN A 24 HOUR PERIOD. TRAVEL WILL BE SLOW AT BEST ON WELL
TREATED SURFACES...AND QUITE DIFFICULT ON ANY UNPLOWED OR
UNTREATED SURFACES.

&&

$$

CTZ002>004-MAZ002-003-008>011-211700-
/O.CON.KBOX.WS.W.0006.000000T0000Z-110121T1700Z/
HARTFORD CT-TOLLAND CT-WINDHAM CT-WESTERN FRANKLIN MA-
EASTERN FRANKLIN MA-WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-
EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...PUTNAM...WILLIMANTIC...CHARLEMONT...GREENFIELD...
ORANGE...CHESTERFIELD...BLANDFORD...AMHERST...NORTHAMPTON...
SPRINGFIELD
417 AM EST FRI JAN 21 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON EST TODAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON EST TODAY. 

* LOCATIONS...WESTERN MASSACHUSETTS AND NORTHERN CONNECTICUT.

* HAZARD TYPES...HEAVY SNOW.

* ACCUMULATIONS...4 TO 7 INCHES OF SNOW.

* TIMING...AT 4 AM SNOW HAS OVERSPREAD MOST OF THE REGION AND WILL
  BECOME HEAVY AT TIMES DURING THE MORNING COMMUTE. SNOW WILL COME
  TO AN END FROM WEST LATE THIS MORNING.

* IMPACTS...HEAVY SNOW WILL HAVE A SIGNIFICANT IMPACT ON THE
  MORNING RUSH HOUR. SNOWFALL RATES OF UP TO ONE INCH PER HOUR ARE
  EXPECTED AND ROADS WILL QUICKLY BECOME SNOW COVERED AND
  SLIPPERY. THE HEAVIEST SNOW WILL FALL FROM 5 AM TO 9 AM. 

* WINDS...NORTH 10 TO 15 MPH.

* TEMPERATURES...IN THE LOWER 20S.

* VISIBILITIES...ONE QUARTER OF A MILE AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING IS ISSUED WHEN AN AVERAGE OF 6 OR MORE
INCHES OF SNOW IS EXPECTED IN A 12 HOUR PERIOD...OR FOR 8 OR MORE
INCHES IN A 24 HOUR PERIOD. TRAVEL WILL BE SLOW AT BEST ON WELL
TREATED SURFACES...AND QUITE DIFFICULT ON ANY UNPLOWED OR
UNTREATED SURFACES.

&&

$$

MAZ021>023-RIZ008-211700-
/O.CON.KBOX.WW.Y.0006.000000T0000Z-110121T1700Z/
SOUTHERN PLYMOUTH MA-BARNSTABLE MA-DUKES MA-BLOCK ISLAND RI-
INCLUDING THE CITIES OF...MATTAPOISETT...CHATHAM...FALMOUTH...
PROVINCETOWN...VINEYARD HAVEN...BLOCK ISLAND
417 AM EST FRI JAN 21 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON EST
TODAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON EST TODAY.

* LOCATIONS...FAR SOUTHERN PLYMOUTH COUNTY...CAPE COD...MARTHAS 
  VINEYARD AND BLOCK ISLAND. 

* HAZARD TYPES...SNOW CHANGING TO RAIN ACROSS MOST OF THE REGION.

* ACCUMULATIONS...1 TO 4 INCHES WITH 3 TO 6 INCHES POSSIBLE 
  ACROSS EXTREME SOUTHERN PLYMOUTH COUNTY. 

* TIMING...AT 4 AM SNOW HAS OVERSPREAD MOST OF THE REGION. THE
  SNOW MAY BE HEAVY FOR A SHORT TIME...BUT WARMER AIR MOVING IN
  OFF THE OCEAN SHOULD CHANGE THE SNOW TO RAIN BY MID MORNING
  ACROSS MOST OF THE REGION. PORTIONS OF FAR SOUTHERN PLYMOUTH
  COUNTY MAY STAY MOSTLY SNOW...ALLOWING FOR HIGHER ACCUMULATIONS. 

* IMPACTS...SNOW WILL BE FALLING MODERATE TO HEAVY FOR THE START 
  OF THE MORNING RUSH HOUR. UNTREATED ROADS WILL QUICKLY BECOME 
  SNOW COVERED AND SLIPPERY. EVEN WHEN THE CHANGE TO RAIN OCCURS 
  ACROSS MOST OF THE REGION...A MESSY COMMUTE IS STILL EXPECTED. 
  THE PRECIPITATION SHOULD COME TO AN END BY EARLY AFTERNOON. 

* UNCERTAINTY...THE RAIN SNOW LINE IS ALWAYS DIFFICULT TO PREDICT
  AND THIS MORNING IS NO EXCEPTION. THE RAIN SNOW BOUNDARY IS
  EXPECTED TO PIVOT NORTHWARD TO BLOCK ISLAND AND EXTEND EASTWARD
  TO NEAR NEW BEDFORD AND EASTWARD NEAR THE CAPE COD CANAL. SNOW
  TOTALS WILL VARY GREATLY ACROSS THIS LINE WITH 2 TO 5 INCHES ON
  THE NORTH SIDE OF THE BOUNDARY AND ONE OR TWO INCHES ON THE
  SOUTH SIDE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY IS ISSUED WHEN SNOW AND/OR ICE IS
FORECAST TO DEVELOP IN THE AFFECTED AREAS...BUT ACCUMULATIONS ARE
EXPECTED TO BE LIGHT. ANY SNOW OR ICE WOULD MAKE DRIVING AND
WALKING DIFFICULT...BUT NOT IMPOSSIBLE...ON UNTREATED ROADWAYS
AND SIDEWALKS.  WHEN TEMPERATURES ARE BELOW FREEZING...MOTORISTS
NEED TO BE ESPECIALLY CAREFUL ON BRIDGES AND OVERPASSES WHERE
SLIPPERY SPOTS CAN EASILY DEVELOP.

&&

$$

NHZ011-211730-
/O.CON.KBOX.WW.Y.0006.000000T0000Z-110121T1800Z/
CHESHIRE NH-
INCLUDING THE CITIES OF...JAFFREY...KEENE
417 AM EST FRI JAN 21 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON. 

* LOCATIONS...CHESHIRE COUNTY IN SOUTHERN NEW HAMPSHIRE.

* HAZARD TYPES...SNOW

* ACCUMULATIONS...4 TO 6 INCHES OF SNOW.

* TIMING...SNOW HAS OVERSPREAD MOST OF THE REGION AT 4 AM. SNOW
  WILL CONTINUE TO FALL THROUGH THE MORNING AND TAPER OFF BY LATE
  MORNING OR EARLY AFTERNOON.

* IMPACTS...SNOW WILL HAVE A SIGNIFICANT IMPACT ON THE MORNING
  RUSH HOUR. SNOW FALL RATES OF UP TO 1 INCH PER HOUR WILL CAUSE
  UNTREATED ROADS TO QUICKLY BECOME SNOW COVERED AND SLIPPERY.

* WINDS...NORTH UP TO 5 MPH.

* TEMPERATURES...11 TO 24.

* VISIBILITIES...ONE HALF MILE AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY IS ISSUED WHEN SNOW AND/OR ICE IS
FORECAST TO DEVELOP IN THE AFFECTED AREAS...BUT ACCUMULATIONS ARE
EXPECTED TO BE LIGHT. ANY SNOW OR ICE WOULD MAKE DRIVING AND
WALKING DIFFICULT...BUT NOT IMPOSSIBLE...ON UNTREATED ROADWAYS
AND SIDEWALKS.  WHEN TEMPERATURES ARE BELOW FREEZING...MOTORISTS
NEED TO BE ESPECIALLY CAREFUL ON BRIDGES AND OVERPASSES WHERE
SLIPPERY SPOTS CAN EASILY DEVELOP.

&&

$$


NOCERA
573 
WWUS41 KBOX 211252
WSWBOX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
752 AM EST FRI JAN 21 2011

...A HIGH IMPACT BUT SHORT DURATION SNOWSTORM WILL AFFECT MUCH OF
THE REGION THROUGH LATE MORNING...

MAZ020-RIZ006-007-211700-
/O.CAN.KBOX.WS.W.0006.000000T0000Z-110121T2000Z/
/O.EXA.KBOX.WW.Y.0006.000000T0000Z-110121T1700Z/
SOUTHERN BRISTOL MA-WASHINGTON RI-NEWPORT RI-
INCLUDING THE CITIES OF...FALL RIVER...NEW BEDFORD...
NARRAGANSETT...WESTERLY...NEWPORT
752 AM EST FRI JAN 21 2011

...WINTER WEATHER ADVISORY IN EFFECT UNTIL NOON EST TODAY...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...SLEET AND FREEZING RAIN...WHICH IS IN
EFFECT UNTIL NOON EST TODAY. THE WINTER STORM WARNING HAS BEEN
CANCELLED.

* LOCATIONS...SOUTHERN RHODE ISLAND AND WEST SIDE OF BUZZARDS BAY
  IN SOUTHEAST MASSACHUSETTS.

* HAZARD TYPES...SNOW MIXING WITH OR CHANGING TO SLEET AND
  FREEZING RAIN.

* ACCUMULATIONS...3 TO 5 INCHES OF SNOW.

* TIMING...SNOW SLEET AND FREEZING RAIN WILL CONTINUE UNTIL LATE
  MORNING...AND END BY EARLY AFTERNOON.

* IMPACTS...THE SNOW SLEET AND FREEZING RAIN WILL MAKE FOR VERY
  SLIPPERY TRAVEL...ESPECIALLY ON UNTREATED ROAD SURFACES.

* WINDS...NORTH 10 TO 20 MPH.

* TEMPERATURES...IN THE MID 20S.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY IS ISSUED WHEN SNOW AND/OR ICE IS
FORECAST TO DEVELOP IN THE AFFECTED AREAS...BUT ACCUMULATIONS ARE
EXPECTED TO BE LIGHT. ANY SNOW OR ICE WOULD MAKE DRIVING AND
WALKING DIFFICULT...BUT NOT IMPOSSIBLE...ON UNTREATED ROADWAYS
AND SIDEWALKS.  WHEN TEMPERATURES ARE BELOW FREEZING...MOTORISTS
NEED TO BE ESPECIALLY CAREFUL ON BRIDGES AND OVERPASSES WHERE
SLIPPERY SPOTS CAN EASILY DEVELOP.

&&

$$

MAZ022-023-RIZ008-211400-
/O.CAN.KBOX.WW.Y.0006.000000T0000Z-110121T1700Z/
BARNSTABLE MA-DUKES MA-BLOCK ISLAND RI-
INCLUDING THE CITIES OF...CHATHAM...FALMOUTH...PROVINCETOWN...
VINEYARD HAVEN...BLOCK ISLAND
752 AM EST FRI JAN 21 2011

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS CANCELLED THE WINTER
WEATHER ADVISORY. 

THE SNOW HAS MIXED WITH OR CHANGED TO RAIN ACROSS CAPE
COD...NANTUCKET...MARTHAS VINEYARD AND BLOCK ISLAND. LITTLE OR NO
ADDITIONAL ACCUMULATION IS EXPECTED.

$$

MAZ004>007-012>019-026-NHZ012-015-RIZ001>005-212000-
/O.CON.KBOX.WS.W.0006.000000T0000Z-110121T2000Z/
NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA-WESTERN ESSEX MA-
EASTERN ESSEX MA-SOUTHERN WORCESTER MA-WESTERN NORFOLK MA-
SOUTHEAST MIDDLESEX MA-SUFFOLK MA-EASTERN NORFOLK MA-
NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-
NORTHERN MIDDLESEX MA-EASTERN HILLSBOROUGH NH-
WESTERN AND CENTRAL HILLSBOROUGH NH-NORTHWEST PROVIDENCE RI-
SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-EASTERN KENT RI-
BRISTOL RI-
INCLUDING THE CITIES OF...BARRE...FITCHBURG...FRAMINGHAM...
LOWELL...LAWRENCE...GLOUCESTER...MILFORD...WORCESTER...FOXBORO...
NORWOOD...CAMBRIDGE...BOSTON...QUINCY...TAUNTON...BROCKTON...
PLYMOUTH...AYER...MANCHESTER...NASHUA...PETERBOROUGH...WEARE...
FOSTER...SMITHFIELD...PROVIDENCE...WEST GREENWICH...WARWICK...
BRISTOL
752 AM EST FRI JAN 21 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM EST THIS
AFTERNOON...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM EST THIS
AFTERNOON. 

* LOCATIONS...CENTRAL AND EASTERN MASSACHUSETTS NORTH OF THE 
  CAPE COD CANAL...AS WELL AS RHODE ISLAND. 

* HAZARD TYPES...HEAVY SNOW.

* ACCUMULATIONS...4 TO 8 INCHES OF SNOW...HIGHEST OVER NORTHEAST MASSACHUSETTS.

* TIMING...SNOW WILL FALL HEAVY AT TIMES THROUGH MID MORNING. SNOW WILL
  COME TO AN END FROM WEST TO EAST LATE THIS MORNING AND EARLY
  AFTERNOON.

* IMPACTS...HEAVY SNOW WILL CONTINUE TO SIGNIFICANTLY IMPACT THE
  MORNING RUSH HOUR...WITH SNOWFALL RATES OF UP TO AN INCH PER
  HOUR UP TO 10 AM. 

* WINDS...NORTH 10 TO 20 MPH.

* TEMPERATURES...IN THE MID 20S.

* VISIBILITIES...ONE QUARTER OF A MILE AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING IS ISSUED WHEN AN AVERAGE OF 6 OR MORE
INCHES OF SNOW IS EXPECTED IN A 12 HOUR PERIOD...OR FOR 8 OR MORE
INCHES IN A 24 HOUR PERIOD. TRAVEL WILL BE SLOW AT BEST ON WELL
TREATED SURFACES...AND QUITE DIFFICULT ON ANY UNPLOWED OR
UNTREATED SURFACES.

&&

$$

CTZ002>004-MAZ002-003-008>011-211700-
/O.CON.KBOX.WS.W.0006.000000T0000Z-110121T1700Z/
HARTFORD CT-TOLLAND CT-WINDHAM CT-WESTERN FRANKLIN MA-
EASTERN FRANKLIN MA-WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-
EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...PUTNAM...WILLIMANTIC...CHARLEMONT...GREENFIELD...
ORANGE...CHESTERFIELD...BLANDFORD...AMHERST...NORTHAMPTON...
SPRINGFIELD
752 AM EST FRI JAN 21 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON EST TODAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON EST TODAY. 

* LOCATIONS...WESTERN MASSACHUSETTS AND NORTHERN CONNECTICUT.

* HAZARD TYPES...HEAVY SNOW.

* ACCUMULATIONS...4 TO 7 INCHES OF SNOW.

* TIMING...SNOW WILL TAPER OFF BY LATE MORNING AND END WEST TO
  EAST BY MIDDAY.

* IMPACTS...HEAVY SNOW WILL CONTINUE TO IMPACT THE MORNING RUSH
  HOUR....WITH SNOWFALL RATES OF UP TO ONE INCH PER HOUR. THE
  HEAVIEST SNOW WILL FALL UNTIL 9 AM.

* WINDS...NORTH 10 TO 15 MPH.

* TEMPERATURES...IN THE LOWER 20S.

* VISIBILITIES...ONE QUARTER OF A MILE AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING IS ISSUED WHEN AN AVERAGE OF 6 OR MORE
INCHES OF SNOW IS EXPECTED IN A 12 HOUR PERIOD...OR FOR 8 OR MORE
INCHES IN A 24 HOUR PERIOD. TRAVEL WILL BE SLOW AT BEST ON WELL
TREATED SURFACES...AND QUITE DIFFICULT ON ANY UNPLOWED OR
UNTREATED SURFACES.

&&

$$

MAZ021-211700-
/O.CON.KBOX.WW.Y.0006.000000T0000Z-110121T1700Z/
SOUTHERN PLYMOUTH MA-
INCLUDING THE CITY OF...MATTAPOISETT
752 AM EST FRI JAN 21 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON EST
TODAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON EST TODAY.

* LOCATIONS...FAR SOUTHERN PLYMOUTH COUNTY.

* HAZARD TYPES...SNOW LIKELY MIXING WITH OR CHANGING TO SLEET AND
  RAIN.

* ACCUMULATIONS...3 TO 5 INCHES.

* TIMING...THE SNOW...POSSIBLY MIXED WITH SLEET AND RAIN...WILL
  TAPER OFF IN THE LATE MORNING.

* IMPACTS...SNOW AND SLEET WILL CONTINUE TO IMPACT THE MORNING
  RUSH HOUR...BUT CONDITIONS SHOULD START TO IMPROVE BY MIDDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY IS ISSUED WHEN SNOW AND/OR ICE IS
FORECAST TO DEVELOP IN THE AFFECTED AREAS...BUT ACCUMULATIONS ARE
EXPECTED TO BE LIGHT. ANY SNOW OR ICE WOULD MAKE DRIVING AND
WALKING DIFFICULT...BUT NOT IMPOSSIBLE...ON UNTREATED ROADWAYS
AND SIDEWALKS.  WHEN TEMPERATURES ARE BELOW FREEZING...MOTORISTS
NEED TO BE ESPECIALLY CAREFUL ON BRIDGES AND OVERPASSES WHERE
SLIPPERY SPOTS CAN EASILY DEVELOP.

&&

$$

NHZ011-211800-
/O.CON.KBOX.WW.Y.0006.000000T0000Z-110121T1800Z/
CHESHIRE NH-
INCLUDING THE CITIES OF...JAFFREY...KEENE
752 AM EST FRI JAN 21 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON. 

* LOCATIONS...CHESHIRE COUNTY IN SOUTHERN NEW HAMPSHIRE.

* HAZARD TYPES...SNOW

* ACCUMULATIONS...4 TO 6 INCHES OF SNOW.

* TIMING...SNOW WILL CONTINUE TO FALL THROUGH THE MORNING AND
  TAPER OFF BY LATE MORNING OR EARLY AFTERNOON.

* IMPACTS...SNOW WILL CONTINUE TO HAVE A SIGNIFICANT IMPACT ON THE
  MORNING RUSH HOUR. SNOW MAY FALL AT RATES OF UP TO 1 INCH PER
  HOUR THROUGH MID MORNING.

* WINDS...NORTH UP TO 5 MPH.

* TEMPERATURES...11 TO 24.

* VISIBILITIES...ONE HALF MILE AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY IS ISSUED WHEN SNOW AND/OR ICE IS
FORECAST TO DEVELOP IN THE AFFECTED AREAS...BUT ACCUMULATIONS ARE
EXPECTED TO BE LIGHT. ANY SNOW OR ICE WOULD MAKE DRIVING AND
WALKING DIFFICULT...BUT NOT IMPOSSIBLE...ON UNTREATED ROADWAYS
AND SIDEWALKS.  WHEN TEMPERATURES ARE BELOW FREEZING...MOTORISTS
NEED TO BE ESPECIALLY CAREFUL ON BRIDGES AND OVERPASSES WHERE
SLIPPERY SPOTS CAN EASILY DEVELOP.

&&

$$

THOMPSON
213 
WWUS41 KBOX 211621
WSWBOX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
1121 AM EST FRI JAN 21 2011

...A HIGH IMPACT BUT SHORT DURATION SNOWSTORM WILL AFFECT MUCH OF
THE REGION THROUGH LATE MORNING...

MAZ004-012-RIZ001>005-211730-
/O.CAN.KBOX.WS.W.0006.000000T0000Z-110121T2000Z/
NORTHERN WORCESTER MA-SOUTHERN WORCESTER MA-
NORTHWEST PROVIDENCE RI-SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-
EASTERN KENT RI-BRISTOL RI-
INCLUDING THE CITIES OF...BARRE...FITCHBURG...MILFORD...
WORCESTER...FOSTER...SMITHFIELD...PROVIDENCE...WEST GREENWICH...
WARWICK...BRISTOL
1121 AM EST FRI JAN 21 2011

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS CANCELLED THE WINTER
STORM WARNING. 

THE HEAVIER SNOWFALL THAT WAS AFFECTED THE AREA THIS MORNING HAS
MOVED EAST...SO THE WINTER STORM WARNING HAS BEEN CANCELLED. THE
LEFTOVER LIGHT SNOW WILL BE ENDING BY EARLY THIS AFTERNOON.

$$

CTZ002>004-MAZ002-003-008>011-211730-
/O.CAN.KBOX.WS.W.0006.000000T0000Z-110121T1700Z/
HARTFORD CT-TOLLAND CT-WINDHAM CT-WESTERN FRANKLIN MA-
EASTERN FRANKLIN MA-WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-
EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...PUTNAM...WILLIMANTIC...CHARLEMONT...GREENFIELD...
ORANGE...CHESTERFIELD...BLANDFORD...AMHERST...NORTHAMPTON...
SPRINGFIELD
1121 AM EST FRI JAN 21 2011

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS CANCELLED THE WINTER
STORM WARNING. 

THE HEAVIER SNOWFALL THAT WAS AFFECTED THE AREA THIS MORNING HAS
MOVED EAST...SO THE WINTER STORM WARNING HAS BEEN CANCELLED. THE
LEFTOVER LIGHT SNOW WILL BE ENDING BY EARLY THIS AFTERNOON.

$$

MAZ020-021-RIZ006-007-211730-
/O.CAN.KBOX.WW.Y.0006.000000T0000Z-110121T1700Z/
SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-WASHINGTON RI-NEWPORT RI-
INCLUDING THE CITIES OF...FALL RIVER...NEW BEDFORD...
MATTAPOISETT...NARRAGANSETT...WESTERLY...NEWPORT
1121 AM EST FRI JAN 21 2011

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS CANCELLED THE WINTER
WEATHER ADVISORY. 

THE SNOWFALL THAT WAS AFFECTED THE AREA THIS MORNING HAS MOVED
EAST...SO THE WINTER WEATHER ADVISORY HAS BEEN CANCELLED.

$$

NHZ011-211730-
/O.CAN.KBOX.WW.Y.0006.000000T0000Z-110121T1800Z/
CHESHIRE NH-
INCLUDING THE CITIES OF...JAFFREY...KEENE
1121 AM EST FRI JAN 21 2011

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS CANCELLED THE WINTER
WEATHER ADVISORY. 

THE SNOWFALL THAT WAS AFFECTED THE AREA THIS MORNING HAS MOVED
EAST...SO THE WINTER WEATHER ADVISORY HAS BEEN CANCELLED.

$$

MAZ005>007-013>019-026-NHZ012-015-212000-
/O.CON.KBOX.WS.W.0006.000000T0000Z-110121T2000Z/
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-NORTHERN MIDDLESEX MA-EASTERN HILLSBOROUGH NH-
WESTERN AND CENTRAL HILLSBOROUGH NH-
INCLUDING THE CITIES OF...FRAMINGHAM...LOWELL...LAWRENCE...
GLOUCESTER...FOXBORO...NORWOOD...CAMBRIDGE...BOSTON...QUINCY...
TAUNTON...BROCKTON...PLYMOUTH...AYER...MANCHESTER...NASHUA...
PETERBOROUGH...WEARE
1121 AM EST FRI JAN 21 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM EST THIS
AFTERNOON...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM EST THIS
AFTERNOON. 

* LOCATIONS...EASTERN MASSACHUSETTS NORTH OF THE CAPE COD CANAL
  AND SOUTH CENTRAL NEW HAMPSHIRE.

* HAZARD TYPES...HEAVY SNOW.

* ACCUMULATIONS...4 TO 8 INCHES SNOW TOTALS.

* TIMING...BANDS OF HEAVY SNOW WILL CONTINUE THROUGH AROUND NOON
  TIME ESPECIALLY ACROSS EASTERN MASSACHUSETTS NEAR AND NORTH OF
  THE MASS PIKE INTO SOUTH CENTRAL NEW HAMPSHIRE. THE SNOW WILL
  TAPER OFF EARLY THIS AFTERNOON. 

* IMPACTS...HEAVY SNOWFALL WILL CONTINUE THROUGH MIDDAY WITH
  REDUCED VISIBILITIES ESPECIALLY ON INTERSTATE 495 NORTH OF THE
  MASS PIKE

* WINDS...NORTH 10 TO 20 MPH.

* TEMPERATURES...IN THE 20S.

* VISIBILITIES...ONE QUARTER TO ONE HALF MILE AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING IS ISSUED WHEN AN AVERAGE OF 6 OR MORE
INCHES OF SNOW IS EXPECTED IN A 12 HOUR PERIOD...OR FOR 8 OR MORE
INCHES IN A 24 HOUR PERIOD. TRAVEL WILL BE SLOW AT BEST ON WELL
TREATED SURFACES...AND QUITE DIFFICULT ON ANY UNPLOWED OR
UNTREATED SURFACES.

&&

$$

VALLIER-TALBOT
260 
WWUS41 KBOX 211752
WSWBOX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
1252 PM EST FRI JAN 21 2011

MAZ005>007-013>019-026-NHZ012-015-211900-
/O.CAN.KBOX.WS.W.0006.000000T0000Z-110121T2000Z/
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-NORTHERN MIDDLESEX MA-EASTERN HILLSBOROUGH NH-
WESTERN AND CENTRAL HILLSBOROUGH NH-
INCLUDING THE CITIES OF...FRAMINGHAM...LOWELL...LAWRENCE...
GLOUCESTER...FOXBORO...NORWOOD...CAMBRIDGE...BOSTON...QUINCY...
TAUNTON...BROCKTON...PLYMOUTH...AYER...MANCHESTER...NASHUA...
PETERBOROUGH...WEARE
1252 PM EST FRI JAN 21 2011

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS CANCELLED THE WINTER
STORM WARNING. 

THE HEAVIER SNOW THAT WAS AFFECTING THE AREA HAS MOVED EAST...SO
THE WINTER STORM WARNING HAS BEEN CANCELLED. THE LEFTOVER LIGHT
SNOW WILL BE ENDING DURING THIS AFTERNOON.

$$

VALLIER-TALBOT

The office that day

Everything else NWS Boston/Norton, MA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 20, 3:37 AM ESTWinter Weather AdvisoryBOXBristol, Kent, Newport, Providence, Washington32 hr
Jan 20, 4:22 PM ESTGale WarningBOX33 hr
Jan 20, 4:22 PM ESTSmall Craft AdvisoryBOX33 hr

Nearby

Winter Storm Warnings in Massachusetts, 2011Winter Storm Warnings in Rhode Island, 2011Winter Storm Warnings in Connecticut, 2011Every winter storm warning in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.