Alert archive / Massachusetts / Winter Storm Warnings in 2010

Winter Storm Warning 6, NWS Boston/Norton, MA

December 20, 20105 counties in Massachusetts

NWS Boston/Norton, MA issued this winter storm warning at Dec 20, 2010, 1:58 PM EST for 5 counties in Massachusetts. It was in force for 14 hr. 4 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Dec 20, 2010, 1:58 PM EST (18:58 UTC)
Expired
Dec 21, 2010, 4:09 AM EST
In force
14 hr
Issued by
NWS Boston/Norton, MA

Counties Barnstable County, MA, Dukes County, MA, Nantucket County, MA, Norfolk County, MA, Plymouth County, MA

The radar

The Boston radar (KBOX), 54 km from the middle of the area, began a volume at 18:57 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.

What was reported inside it

TimeReportWhereRemark
Dec 20, 7:26 PM ESTHEAVY SNOW 0Hyannis, MA2 TREES DOWN ON ROUTE 6.
Dec 20, 8:33 PM ESTHEAVY SNOW 0Barnstable, MALARGE BRANCHES AND NUMEROUS WIRES DOWN. SCATTERED POWER OUTAGES.
Dec 20, 8:37 PM ESTHEAVY SNOW 0Sandwich, MALARGE BRANCHES AND WIRES DOWN. SCATTERED POWER OUTAGES.
Dec 20, 8:44 PM ESTHEAVY SNOW 0Chatham, MATREES AND WIRES DOWN.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Chatham, MA (KCHH), launched 12:00Z, 7.0 hours before the alert went out and 51 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 2010-12-20Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Chatham, MA at 12:00Z on 2010-12-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 square meters per square second.19395878Sfc1 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
490 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
152 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.

871 
WWUS41 KBOX 201858
WSWBOX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
158 PM EST MON DEC 20 2010

MAZ022-210300-
/O.UPG.KBOX.WW.Y.0015.000000T0000Z-101221T0300Z/
/O.NEW.KBOX.WS.W.0006.101220T1858Z-101221T0500Z/
BARNSTABLE MA-
INCLUDING THE CITIES OF...CHATHAM...FALMOUTH...PROVINCETOWN
158 PM EST MON DEC 20 2010

...WINTER STORM WARNING IN EFFECT UNTIL MIDNIGHT EST TONIGHT...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A WINTER STORM
WARNING...WHICH IS IN EFFECT UNTIL MIDNIGHT EST TONIGHT. THE
WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. 

* LOCATIONS...BARNSTABLE COUNTY.

* HAZARD TYPES...SNOW

* ACCUMULATIONS...4 TO 8 INCHES.

* TIMING...SNOW...HEAVY AT TIMES THROUGH THE AFTERNOON...TAPERING
  TO SNOW SHOWERS TONIGHT. 

* IMPACTS...ACCUMULATION OF WET SNOW ON TREES AND POWER LINES
  COMBINED WITH GUSTY NORTH WINDS MAY RESULT IN SCATTERED POWER
  OUTAGES.

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.

PLEASE STAY TUNED TO NOAA WEATHER RADIO...YOUR LOCAL MEDIA...OR
GO TO WWW.WEATHER.GOV/BOX FOR FURTHER UPDATES ON THIS WEATHER
SITUATION.

$$

MAZ018-020-210300-
/O.EXB.KBOX.WW.Y.0015.000000T0000Z-101221T0500Z/
WESTERN PLYMOUTH MA-SOUTHERN BRISTOL MA-
INCLUDING THE CITIES OF...BROCKTON...FALL RIVER...NEW BEDFORD
158 PM EST MON DEC 20 2010

...WINTER WEATHER ADVISORY IN EFFECT UNTIL MIDNIGHT EST TONIGHT...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A WINTER
WEATHER ADVISORY...WHICH IS IN EFFECT UNTIL MIDNIGHT EST TONIGHT.

* LOCATIONS...WESTERN PLYMOUTH AND SOUTHERN BRISTOL COUNTIES.

* HAZARD TYPES...SNOW

* ACCUMULATIONS...2 TO 4 INCHES.

* TIMING...STEADIEST SNOW THROUGH THIS AFTERNOON... THEN TAPERING
  TO SNOW SHOWERS TONIGHT.

* IMPACTS...UNTREATED ROADWAYS WILL BE SLIPPERY.

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.

PLEASE STAY TUNED TO NOAA WEATHER RADIO...YOUR LOCAL MEDIA...OR
GO TO WWW.WEATHER.GOV/BOX FOR FURTHER UPDATES ON THIS WEATHER
SITUATION.

$$

MAZ019-021-023-024-210300-
/O.EXT.KBOX.WW.Y.0015.000000T0000Z-101221T0500Z/
EASTERN PLYMOUTH MA-SOUTHERN PLYMOUTH MA-DUKES MA-NANTUCKET MA-
INCLUDING THE CITIES OF...PLYMOUTH...MATTAPOISETT...
VINEYARD HAVEN...NANTUCKET
158 PM EST MON DEC 20 2010

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL MIDNIGHT EST
TONIGHT...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT  UNTIL MIDNIGHT EST
TONIGHT. 

* LOCATIONS...SOUTHERN AND EASTERN PLYMOUTH COUNTIES...NANTUCKET
  AND MARTHAS VINEYARD.

* HAZARD TYPES...SNOW.

* ACCUMULATIONS...4 TO 6 INCHES...HEAVIEST AMOUNTS ON MARTHAS
  VINEYARD AND NEAR THE CAPE COD CANAL IN SOUTHEAST PLYMOUTH
  COUNTY.  

* TIMING...SNOW...HEAVY AT TIMES THROUGH THE AFTERNOON...TAPERING
  TO SNOW SHOWERS TONIGHT.

* IMPACTS...HAZARDOUS DRIVING CONDITIONS DUE TO SNOW COVERED
  ROADS.

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.

PLEASE STAY TUNED TO NOAA WEATHER RADIO...YOUR LOCAL MEDIA...OR
GO TO WWW.WEATHER.GOV/BOX FOR FURTHER UPDATES ON THIS WEATHER
SITUATION.

$$
6 follow-up statements
462 
WWUS41 KBOX 202131
WSWBOX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
431 PM EST MON DEC 20 2010

MAZ022-210500-
/O.CON.KBOX.WS.W.0006.000000T0000Z-101221T0500Z/
BARNSTABLE MA-
INCLUDING THE CITIES OF...CHATHAM...FALMOUTH...PROVINCETOWN
431 PM EST MON DEC 20 2010

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST
TONIGHT...

THE NATIONAL WEATHER SERVICE IN TAUNTON CONTINUES THE WINTER
STORM
WARNING UNTIL MIDNIGHT EST TONIGHT.

* LOCATIONS...BARNSTABLE COUNTY.

* HAZARD TYPES...SNOW

* ACCUMULATIONS...4 TO 8 INCHES.

* TIMING...SNOW...HEAVY AT TIMES UNTIL EARLY EVENING...THEN
  TAPERING TO LIGHT SNOW. 

* IMPACTS...ACCUMULATION OF WET SNOW ON TREES AND POWER LINES 
  COMBINED WITH GUSTY NORTH WINDS MAY RESULT IN SCATTERED POWER 
  OUTAGES. 

* WINDS...NORTH TO NORTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 45
  MPH.

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.

PLEASE STAY TUNED TO NOAA WEATHER RADIO...YOUR LOCAL MEDIA...OR
GO TO WWW.WEATHER.GOV/BOX FOR FURTHER UPDATES ON THIS WEATHER
SITUATION.

$$

MAZ018>021-023-024-210500-
/O.CON.KBOX.WW.Y.0015.000000T0000Z-101221T0500Z/
WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-SOUTHERN BRISTOL MA-
SOUTHERN PLYMOUTH MA-DUKES MA-NANTUCKET MA-
INCLUDING THE CITIES OF...BROCKTON...PLYMOUTH...FALL RIVER...
NEW BEDFORD...MATTAPOISETT...VINEYARD HAVEN...NANTUCKET
431 PM EST MON DEC 20 2010

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST
TONIGHT...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT  UNTIL MIDNIGHT EST
TONIGHT. 

* LOCATIONS...PLYMOUTH COUNTY...SOUTHERN BRISTOL COUNTY...NANTUCKET
  AND MARTHAS VINEYARD.

* HAZARD TYPES...SNOW.

* ACCUMULATIONS...4 TO 6 INCHES OVER MARTHAS VINEYARD AND NEAR THE
  CAPE COD CANAL IN SOUTHEAST PLYMOUTH COUNTY. 2 TO 5 INCHES IN
  WESTERN PLYMOUTH AND SOUTHERN BRISTOL COUNTIES AND NANTUCKET.

* TIMING...STEADIEST SNOW THROUGH EARLY EVENING...THEN TAPERING TO
  SNOW SHOWERS. 

* IMPACTS...HAZARDOUS DRIVING CONDITIONS DUE TO SNOW COVERED 
  ROADS. 

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.

PLEASE STAY TUNED TO NOAA WEATHER RADIO...YOUR LOCAL MEDIA...OR
GO TO WWW.WEATHER.GOV/BOX FOR FURTHER UPDATES ON THIS WEATHER
SITUATION.

$$
829 
WWUS41 KBOX 202328
WSWBOX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
628 PM EST MON DEC 20 2010

MAZ024-210730-
/O.UPG.KBOX.WW.Y.0015.000000T0000Z-101221T0500Z/
/O.EXB.KBOX.WS.W.0006.000000T0000Z-101221T1000Z/
NANTUCKET MA-
INCLUDING THE CITY OF...NANTUCKET
628 PM EST MON DEC 20 2010

...WINTER STORM WARNING IN EFFECT UNTIL 5 AM EST TUESDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A WINTER STORM
WARNING...WHICH IS IN EFFECT UNTIL 5 AM EST TUESDAY. THE WINTER
WEATHER ADVISORY IS NO LONGER IN EFFECT. 


* LOCATIONS...NANTUCKET.

* HAZARD TYPES...SNOW AND STRONG WINDS

* ACCUMULATIONS...4 TO 7 INCHES.

* TIMING...SNOW HEAVY AT TIMES CONTINUES THROUGH MIDNIGHT...THEN
  TAPERING TO SNOW SHOWERS TOWARD DAYBREAK.

* IMPACTS...ACCUMULATION OF WET SNOW ON TREES AND POWER LINES
  COMBINED WITH STRONG WIND GUSTS MAY RESULT IN SCATTERED POWER
  OUTAGES.  IN ADDITION...HAZARDOUS DRIVING CONDITIONS DUE TO SNOW
  COVERED ROADS. 

* WINDS...NORTH TO NORTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 50 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PLEASE STAY TUNED TO NOAA WEATHER RADIO...YOUR LOCAL MEDIA...OR
GO TO WWW.WEATHER.GOV/BOX FOR FURTHER UPDATES ON THIS WEATHER
SITUATION.

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.

PLEASE STAY TUNED TO NOAA WEATHER RADIO...YOUR LOCAL MEDIA...OR
GO TO WWW.WEATHER.GOV/BOX FOR FURTHER UPDATES ON THIS WEATHER
SITUATION.

$$

MAZ022-210730-
/O.EXT.KBOX.WS.W.0006.000000T0000Z-101221T1000Z/
BARNSTABLE MA-
INCLUDING THE CITIES OF...CHATHAM...FALMOUTH...PROVINCETOWN
628 PM EST MON DEC 20 2010

...WINTER STORM WARNING NOW IN EFFECT UNTIL 5 AM EST TUESDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS EXTENDED THE WINTER
STORM WARNING UNTIL 5 AM EST TUESDAY.

* LOCATIONS...BARNSTABLE COUNTY.

* HAZARD TYPES...SNOW AND STRONG WIND GUSTS.

* ACCUMULATIONS...5 TO 10 INCHES.

* TIMING...SNOW...HEAVY AT TIMES THROUGH MIDNIGHT. SNOW TAPERING
  OFF TO SNOW SHOWERS TOWARD DAYBREAK TUESDAY.

* IMPACTS...ACCUMULATION OF WET SNOW ON TREES AND POWER LINES
  COMBINED WITH STRONG WIND GUSTS MAY RESULT IN SCATTERED POWER
  OUTAGES. IN ADDITION...HAZARDOUS DRIVING CONDITIONS DUE TO SNOW
  COVERED ROADS.

* WINDS...NORTH TO NORTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 45 
  MPH. 

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.

PLEASE STAY TUNED TO NOAA WEATHER RADIO...YOUR LOCAL MEDIA...OR
GO TO WWW.WEATHER.GOV/BOX FOR FURTHER UPDATES ON THIS WEATHER
SITUATION.

$$

MAZ018-019-021-023-210730-
/O.EXT.KBOX.WW.Y.0015.000000T0000Z-101221T1000Z/
WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-SOUTHERN PLYMOUTH MA-
DUKES MA-
INCLUDING THE CITIES OF...BROCKTON...PLYMOUTH...MATTAPOISETT...
VINEYARD HAVEN
628 PM EST MON DEC 20 2010

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 5 AM EST TUESDAY...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT  UNTIL 5 AM EST
TUESDAY. 

* LOCATIONS...PLYMOUTH COUNTY AND SOUTHERN BRISTON COUNTY.

* HAZARD TYPES...SNOW.

* ACCUMULATIONS...4 TO 6 NEAR IN SOUTHEAST PLYMOUTH COUNTY AND IN
  MARTHAS VINEYARD. 2 TO 5 INCHES IN WESTERN PLYMOUTH COUNTY.

* TIMING...STEADIEST SNOW THROUGH MIDNIGHT...THEN TAPERING 
  TO SNOW SHOWERS. 

* IMPACTS...HAZARDOUS DRIVING CONDITIONS DUE TO SNOW COVERED 
  ROADS. 

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.

PLEASE STAY TUNED TO NOAA WEATHER RADIO...YOUR LOCAL MEDIA...OR
GO TO WWW.WEATHER.GOV/BOX FOR FURTHER UPDATES ON THIS WEATHER
SITUATION.

$$

MAZ020-210730-
/O.EXT.KBOX.WW.Y.0015.000000T0000Z-101221T1000Z/
SOUTHERN BRISTOL MA-
INCLUDING THE CITIES OF...FALL RIVER...NEW BEDFORD
628 PM EST MON DEC 20 2010

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 5 AM EST TUESDAY...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT  UNTIL 5 AM EST
TUESDAY. 

* LOCATIONS...SOUTHERN BRISTOL COUNTY.

* HAZARD TYPES...SNOW.

* ACCUMULATIONS...2 TO 6 INCHES.

* TIMING...STEADIEST SNOW THROUGH MIDNIGHT...THEN TAPERING TO SNOW
  SHOWERS.

* IMPACTS...HAZARDOUS DRIVING CONDITIONS DUE TO SNOW COVERED 
  ROADS. 

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.

PLEASE STAY TUNED TO NOAA WEATHER RADIO...YOUR LOCAL MEDIA...OR
GO TO WWW.WEATHER.GOV/BOX FOR FURTHER UPDATES ON THIS WEATHER
SITUATION.

$$

FRANK
572 
WWUS41 KBOX 202339
WSWBOX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
639 PM EST MON DEC 20 2010

MAZ022-210745-
/O.CON.KBOX.WS.W.0006.000000T0000Z-101221T1000Z/
BARNSTABLE MA-
INCLUDING THE CITIES OF...CHATHAM...FALMOUTH...PROVINCETOWN
639 PM EST MON DEC 20 2010

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM EST
TUESDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS EXTENDED THE WINTER
STORM WARNING UNTIL 5 AM EST TUESDAY.

* LOCATIONS...BARNSTABLE COUNTY.

* HAZARD TYPES...SNOW AND STRONG WIND GUSTS.

* ACCUMULATIONS...5 TO 10 INCHES.

* TIMING...SNOW...HEAVY AT TIMES THROUGH MIDNIGHT. SNOW TAPERING 
  OFF TO SNOW SHOWERS TOWARD DAYBREAK TUESDAY. 

* IMPACTS...ACCUMULATION OF WET SNOW ON TREES AND POWER LINES 
  COMBINED WITH STRONG WIND GUSTS MAY RESULT IN SCATTERED POWER 
  OUTAGES. IN ADDITION...HAZARDOUS DRIVING CONDITIONS DUE TO 
  SNOW COVERED ROADS. 

* WINDS...NORTH TO NORTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 45 
  MPH. 

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.

PLEASE STAY TUNED TO NOAA WEATHER RADIO...YOUR LOCAL MEDIA...OR
GO TO WWW.WEATHER.GOV/BOX FOR FURTHER UPDATES ON THIS WEATHER
SITUATION.

$$

MAZ024-210745-
/O.CON.KBOX.WS.W.0006.000000T0000Z-101221T1000Z/
NANTUCKET MA-
INCLUDING THE CITY OF...NANTUCKET
639 PM EST MON DEC 20 2010

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM EST
TUESDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON CONTINUES THE WINTER
STORM
WARNING UNTIL 5 AM EST TUESDAY.

* LOCATIONS...NANTUCKET.

* HAZARD TYPES...SNOW AND STRONG WINDS

* ACCUMULATIONS...4 TO 7 INCHES.

* TIMING...SNOW HEAVY AT TIMES CONTINUES THROUGH MIDNIGHT...THEN 
  TAPERING TO SNOW SHOWERS TOWARD DAYBREAK. 

* IMPACTS...ACCUMULATION OF WET SNOW ON TREES AND POWER LINES 
  COMBINED WITH STRONG WIND GUSTS MAY RESULT IN SCATTERED POWER 
  OUTAGES. IN ADDITION...HAZARDOUS DRIVING CONDITIONS DUE TO 
  SNOW COVERED ROADS. 

* WINDS...NORTH TO NORTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 50 
  MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PLEASE STAY TUNED TO NOAA WEATHER RADIO...YOUR LOCAL MEDIA...OR
GO TO WWW.WEATHER.GOV/BOX FOR FURTHER UPDATES ON THIS WEATHER
SITUATION.

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.

PLEASE STAY TUNED TO NOAA WEATHER RADIO...YOUR LOCAL MEDIA...OR
GO TO WWW.WEATHER.GOV/BOX FOR FURTHER UPDATES ON THIS WEATHER
SITUATION.

$$

MAZ006-007-014>016-210745-
/O.EXA.KBOX.WW.Y.0015.000000T0000Z-101221T1000Z/
WESTERN ESSEX MA-EASTERN ESSEX MA-SOUTHEAST MIDDLESEX MA-
SUFFOLK MA-EASTERN NORFOLK MA-
INCLUDING THE CITIES OF...LAWRENCE...GLOUCESTER...CAMBRIDGE...
BOSTON...QUINCY
639 PM EST MON DEC 20 2010

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

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A WINTER
WEATHER ADVISORY...WHICH IS IN EFFECT UNTIL 5 AM EST TUESDAY. 

* LOCATIONS...PLYMOUTH COUNTY AND SOUTHERN BRISTON COUNTY.

* HAZARD TYPES...SNOW.

* ACCUMULATIONS...2 TO 3 INCHES.

* TIMING...STEADIEST SNOW THROUGH MIDNIGHT...THEN TAPERING TO SNOW
  SHOWERS AFTER MIDNIGHT.

* IMPACTS...HAZARDOUS DRIVING CONDITIONS DUE TO SNOW COVERED 
  ROADS. 

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.

PLEASE STAY TUNED TO NOAA WEATHER RADIO...YOUR LOCAL MEDIA...OR
GO TO WWW.WEATHER.GOV/BOX FOR FURTHER UPDATES ON THIS WEATHER
SITUATION.

$$

MAZ018-019-021-023-210745-
/O.CON.KBOX.WW.Y.0015.000000T0000Z-101221T1000Z/
WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-SOUTHERN PLYMOUTH MA-
DUKES MA-
INCLUDING THE CITIES OF...BROCKTON...PLYMOUTH...MATTAPOISETT...
VINEYARD HAVEN
639 PM EST MON DEC 20 2010

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

A WINTER WEATHER ADVISORY REMAINS IN EFFECT  UNTIL 5 AM EST
TUESDAY. 

* LOCATIONS...PLYMOUTH COUNTY AND DUKES COUNTY.

* HAZARD TYPES...SNOW.

* ACCUMULATIONS...4 TO 6 NEAR IN SOUTHEAST PLYMOUTH COUNTY AND 
  IN MARTHAS VINEYARD. 2 TO 5 INCHES IN WESTERN PLYMOUTH COUNTY. 

* TIMING...STEADIEST SNOW THROUGH MIDNIGHT...THEN TAPERING TO 
  SNOW SHOWERS. 

* IMPACTS...HAZARDOUS DRIVING CONDITIONS DUE TO SNOW COVERED 
  ROADS. 

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.

PLEASE STAY TUNED TO NOAA WEATHER RADIO...YOUR LOCAL MEDIA...OR
GO TO WWW.WEATHER.GOV/BOX FOR FURTHER UPDATES ON THIS WEATHER
SITUATION.

$$

MAZ020-210745-
/O.CON.KBOX.WW.Y.0015.000000T0000Z-101221T1000Z/
SOUTHERN BRISTOL MA-
INCLUDING THE CITIES OF...FALL RIVER...NEW BEDFORD
639 PM EST MON DEC 20 2010

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

A WINTER WEATHER ADVISORY REMAINS IN EFFECT  UNTIL 5 AM EST
TUESDAY. 

* LOCATIONS...SOUTHERN BRISTOL COUNTY.

* HAZARD TYPES...SNOW.

* ACCUMULATIONS...2 TO 6 INCHES.

* TIMING...STEADIEST SNOW THROUGH MIDNIGHT...THEN TAPERING TO 
  SNOW SHOWERS. 

* IMPACTS...HAZARDOUS DRIVING CONDITIONS DUE TO SNOW COVERED 
  ROADS. 

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.

PLEASE STAY TUNED TO NOAA WEATHER RADIO...YOUR LOCAL MEDIA...OR
GO TO WWW.WEATHER.GOV/BOX FOR FURTHER UPDATES ON THIS WEATHER
SITUATION.

$$

FRANK
419 
WWUS41 KBOX 210018
WSWBOX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
718 PM EST MON DEC 20 2010

MAZ019-210830-
/O.UPG.KBOX.WW.Y.0015.000000T0000Z-101221T1000Z/
/O.EXA.KBOX.WS.W.0006.000000T0000Z-101221T1000Z/
EASTERN PLYMOUTH MA-
INCLUDING THE CITY OF...PLYMOUTH
718 PM EST MON DEC 20 2010

...WINTER STORM WARNING IN EFFECT UNTIL 5 AM EST TUESDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A WINTER STORM
WARNING...WHICH IS IN EFFECT UNTIL 5 AM EST TUESDAY. THE WINTER
WEATHER ADVISORY IS NO LONGER IN EFFECT. 

* LOCATIONS...EASTERN PLYMOUTH COUNTY.

* HAZARD TYPES...SNOW.

* ACCUMULATIONS...4 TO 7 INCHES.

* TIMING...MODERATE TO HEAVY SNOW THROUGH MIDNIGHT...THEN TAPERING TO
  SNOW SHOWERS.

* IMPACTS...HAZARDOUS DRIVING CONDITIONS DUE TO SNOW COVERED
  ROADS.  POOR VISIBILITIES BECAUSE OF STRONG WINDS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PLEASE STAY TUNED TO NOAA WEATHER RADIO...YOUR LOCAL MEDIA...OR
GO TO WWW.WEATHER.GOV/BOX FOR FURTHER UPDATES ON THIS WEATHER
SITUATION.

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.

PLEASE STAY TUNED TO NOAA WEATHER RADIO...YOUR LOCAL MEDIA...OR
GO TO WWW.WEATHER.GOV/BOX FOR FURTHER UPDATES ON THIS WEATHER
SITUATION.

$$

MAZ022-210830-
/O.CON.KBOX.WS.W.0006.000000T0000Z-101221T1000Z/
BARNSTABLE MA-
INCLUDING THE CITIES OF...CHATHAM...FALMOUTH...PROVINCETOWN
718 PM EST MON DEC 20 2010

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM EST
TUESDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS EXTENDED THE WINTER
STORM WARNING UNTIL 5 AM EST TUESDAY.

* LOCATIONS...BARNSTABLE COUNTY.

* HAZARD TYPES...SNOW AND STRONG WIND GUSTS.

* ACCUMULATIONS...6 TO 12 INCHES.

* TIMING...SNOW...HEAVY AT TIMES THROUGH MIDNIGHT. SNOW TAPERING 
  OFF TO SNOW SHOWERS TOWARD DAYBREAK TUESDAY. 

* IMPACTS...ACCUMULATION OF WET SNOW ON TREES AND POWER LINES 
  COMBINED WITH STRONG WIND GUSTS MAY RESULT IN SCATTERED POWER 
  OUTAGES. IN ADDITION...HAZARDOUS DRIVING CONDITIONS DUE TO 
  SNOW COVERED ROADS. 

* WINDS...NORTH TO NORTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 45 
  MPH. 

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.

PLEASE STAY TUNED TO NOAA WEATHER RADIO...YOUR LOCAL MEDIA...OR
GO TO WWW.WEATHER.GOV/BOX FOR FURTHER UPDATES ON THIS WEATHER
SITUATION.

$$

MAZ024-210830-
/O.CON.KBOX.WS.W.0006.000000T0000Z-101221T1000Z/
NANTUCKET MA-
INCLUDING THE CITY OF...NANTUCKET
718 PM EST MON DEC 20 2010

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM EST
TUESDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON CONTINUES THE WINTER
STORM WARNING UNTIL 5 AM EST TUESDAY.

* LOCATIONS...NANTUCKET.

* HAZARD TYPES...SNOW AND STRONG WINDS.

* ACCUMULATIONS...4 TO 7 INCHES.

* TIMING...SNOW HEAVY AT TIMES CONTINUES THROUGH MIDNIGHT...THEN 
  TAPERING TO SNOW SHOWERS TOWARD DAYBREAK. 

* IMPACTS...ACCUMULATION OF WET SNOW ON TREES AND POWER LINES 
  COMBINED WITH STRONG WIND GUSTS MAY RESULT IN SCATTERED POWER 
  OUTAGES. IN ADDITION...HAZARDOUS DRIVING CONDITIONS DUE TO 
  SNOW COVERED ROADS. 

* WINDS...NORTH TO NORTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 50 
  MPH. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PLEASE STAY TUNED TO NOAA WEATHER RADIO...YOUR LOCAL MEDIA...OR
GO TO WWW.WEATHER.GOV/BOX FOR FURTHER UPDATES ON THIS WEATHER
SITUATION.

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.

PLEASE STAY TUNED TO NOAA WEATHER RADIO...YOUR LOCAL MEDIA...OR
GO TO WWW.WEATHER.GOV/BOX FOR FURTHER UPDATES ON THIS WEATHER
SITUATION.

$$

MAZ005-013-017-210830-
/O.EXA.KBOX.WW.Y.0015.000000T0000Z-101221T1000Z/
CENTRAL MIDDLESEX MA-WESTERN NORFOLK MA-NORTHERN BRISTOL MA-
INCLUDING THE CITIES OF...FRAMINGHAM...LOWELL...FOXBORO...
NORWOOD...TAUNTON
718 PM EST MON DEC 20 2010

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

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A WINTER
WEATHER ADVISORY...WHICH IS IN EFFECT UNTIL 5 AM EST TUESDAY. 

* LOCATIONS...PORTIONS OF EAST CENTRAL MASSACHUSETTS.

* HAZARD TYPES...SNOW.

* ACCUMULATIONS...2 TO 3 INCHES.

* TIMING...STEADIEST SNOW THROUGH MIDNIGHT...THEN TAPERING TO 
  SNOW SHOWERS AFTER MIDNIGHT. 

* IMPACTS...HAZARDOUS DRIVING CONDITIONS DUE TO SNOW COVERED 
  ROADS. 

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.

PLEASE STAY TUNED TO NOAA WEATHER RADIO...YOUR LOCAL MEDIA...OR
GO TO WWW.WEATHER.GOV/BOX FOR FURTHER UPDATES ON THIS WEATHER
SITUATION.

$$

MAZ018-021-023-210830-
/O.CON.KBOX.WW.Y.0015.000000T0000Z-101221T1000Z/
WESTERN PLYMOUTH MA-SOUTHERN PLYMOUTH MA-DUKES MA-
INCLUDING THE CITIES OF...BROCKTON...MATTAPOISETT...
VINEYARD HAVEN
718 PM EST MON DEC 20 2010

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

A WINTER WEATHER ADVISORY REMAINS IN EFFECT  UNTIL 5 AM EST
TUESDAY. 

* LOCATIONS...PLYMOUTH COUNTY AND DUKES COUNTY.

* HAZARD TYPES...SNOW.

* ACCUMULATIONS...3 TO 6 INCHES.

* TIMING...STEADIEST SNOW THROUGH MIDNIGHT...THEN TAPERING TO 
  SNOW SHOWERS. 

* IMPACTS...HAZARDOUS DRIVING CONDITIONS DUE TO SNOW COVERED 
  ROADS. 

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.

PLEASE STAY TUNED TO NOAA WEATHER RADIO...YOUR LOCAL MEDIA...OR
GO TO WWW.WEATHER.GOV/BOX FOR FURTHER UPDATES ON THIS WEATHER
SITUATION.

$$

MAZ020-210830-
/O.CON.KBOX.WW.Y.0015.000000T0000Z-101221T1000Z/
SOUTHERN BRISTOL MA-
INCLUDING THE CITIES OF...FALL RIVER...NEW BEDFORD
718 PM EST MON DEC 20 2010

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

A WINTER WEATHER ADVISORY REMAINS IN EFFECT  UNTIL 5 AM EST
TUESDAY. 

* LOCATIONS...SOUTHERN BRISTOL COUNTY.

* HAZARD TYPES...SNOW.

* ACCUMULATIONS...2 TO 6 INCHES.

* TIMING...STEADIEST SNOW THROUGH MIDNIGHT...THEN TAPERING TO 
  SNOW SHOWERS. 

* IMPACTS...HAZARDOUS DRIVING CONDITIONS DUE TO SNOW COVERED 
  ROADS. 

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.

PLEASE STAY TUNED TO NOAA WEATHER RADIO...YOUR LOCAL MEDIA...OR
GO TO WWW.WEATHER.GOV/BOX FOR FURTHER UPDATES ON THIS WEATHER
SITUATION.

$$

MAZ006-007-014>016-210830-
/O.CON.KBOX.WW.Y.0015.000000T0000Z-101221T1000Z/
WESTERN ESSEX MA-EASTERN ESSEX MA-SOUTHEAST MIDDLESEX MA-
SUFFOLK MA-EASTERN NORFOLK MA-
INCLUDING THE CITIES OF...LAWRENCE...GLOUCESTER...CAMBRIDGE...
BOSTON...QUINCY
718 PM EST MON DEC 20 2010

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

THE NATIONAL WEATHER SERVICE IN TAUNTON CONTINUES THE WINTER
WEATHER ADVISORY UNTIL 5 AM EST TUESDAY.

* LOCATIONS...NORTHEAST MASSACHUSETTS.

* HAZARD TYPES...SNOW.

* ACCUMULATIONS...2 TO 4 INCHES.

* TIMING...STEADIEST SNOW THROUGH MIDNIGHT...THEN TAPERING TO 
  SNOW SHOWERS AFTER MIDNIGHT. 

* IMPACTS...HAZARDOUS DRIVING CONDITIONS DUE TO SNOW COVERED 
  ROADS. 

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.

PLEASE STAY TUNED TO NOAA WEATHER RADIO...YOUR LOCAL MEDIA...OR
GO TO WWW.WEATHER.GOV/BOX FOR FURTHER UPDATES ON THIS WEATHER
SITUATION.

$$

FRANK
487 
WWUS41 KBOX 210116
WSWBOX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
816 PM EST MON DEC 20 2010

MAZ023-210930-
/O.UPG.KBOX.WW.Y.0015.000000T0000Z-101221T1000Z/
/O.EXA.KBOX.WS.W.0006.000000T0000Z-101221T1000Z/
DUKES MA-
INCLUDING THE CITY OF...VINEYARD HAVEN
816 PM EST MON DEC 20 2010

...WINTER STORM WARNING IN EFFECT UNTIL 5 AM EST TUESDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A WINTER STORM
WARNING...WHICH IS IN EFFECT UNTIL 5 AM EST TUESDAY. THE WINTER
WEATHER ADVISORY IS NO LONGER IN EFFECT. 

* LOCATIONS...DUKES COUNTY.

* HAZARD TYPES...SNOW AND WIND.

* ACCUMULATIONS...4 TO 7 INCHES.

* TIMING...STEADIEST SNOW THROUGH MIDNIGHT...THEN TAPERING TO 
  SNOW SHOWERS. 

* IMPACTS...HAZARDOUS DRIVING CONDITIONS DUE TO SNOW COVERED
  ROADS. STRONG WINDS GUSTS OF 40 MPH ARE ALSO EXPECTED AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PLEASE STAY TUNED TO NOAA WEATHER RADIO...YOUR LOCAL MEDIA...OR
GO TO WWW.WEATHER.GOV/BOX FOR FURTHER UPDATES ON THIS WEATHER
SITUATION.

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.

PLEASE STAY TUNED TO NOAA WEATHER RADIO...YOUR LOCAL MEDIA...OR
GO TO WWW.WEATHER.GOV/BOX FOR FURTHER UPDATES ON THIS WEATHER
SITUATION.

$$

MAZ022-210930-
/O.CON.KBOX.WS.W.0006.000000T0000Z-101221T1000Z/
BARNSTABLE MA-
INCLUDING THE CITIES OF...CHATHAM...FALMOUTH...PROVINCETOWN
816 PM EST MON DEC 20 2010

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM EST
TUESDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS EXTENDED THE WINTER
STORM WARNING UNTIL 5 AM EST TUESDAY.

* LOCATIONS...BARNSTABLE COUNTY.

* HAZARD TYPES...SNOW AND STRONG WIND GUSTS.

* ACCUMULATIONS...7 TO 14 INCHES.

* TIMING...SNOW...HEAVY AT TIMES THROUGH MIDNIGHT. SNOW TAPERING 
  OFF TO SNOW SHOWERS TOWARD DAYBREAK TUESDAY. 

* IMPACTS...ACCUMULATION OF WET SNOW ON TREES AND POWER LINES 
  COMBINED WITH STRONG WIND GUSTS MAY RESULT IN SCATTERED POWER 
  OUTAGES. IN ADDITION...HAZARDOUS DRIVING CONDITIONS DUE TO 
  SNOW COVERED ROADS. 

* WINDS...NORTH TO NORTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 45 
  MPH. 

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.

PLEASE STAY TUNED TO NOAA WEATHER RADIO...YOUR LOCAL MEDIA...OR
GO TO WWW.WEATHER.GOV/BOX FOR FURTHER UPDATES ON THIS WEATHER
SITUATION.

$$

MAZ024-210930-
/O.CON.KBOX.WS.W.0006.000000T0000Z-101221T1000Z/
NANTUCKET MA-
INCLUDING THE CITY OF...NANTUCKET
816 PM EST MON DEC 20 2010

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM EST
TUESDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON CONTINUES THE WINTER
STORM WARNING UNTIL 5 AM EST TUESDAY.

* LOCATIONS...NANTUCKET.

* HAZARD TYPES...SNOW AND STRONG WINDS.

* ACCUMULATIONS...5 TO 9 INCHES.

* TIMING...SNOW HEAVY AT TIMES CONTINUES THROUGH MIDNIGHT...THEN 
  TAPERING TO SNOW SHOWERS TOWARD DAYBREAK. 

* IMPACTS...ACCUMULATION OF WET SNOW ON TREES AND POWER LINES 
  COMBINED WITH STRONG WIND GUSTS MAY RESULT IN SCATTERED POWER 
  OUTAGES. IN ADDITION...HAZARDOUS DRIVING CONDITIONS DUE TO 
  SNOW COVERED ROADS. 

* WINDS...NORTH TO NORTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 50 
  MPH. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PLEASE STAY TUNED TO NOAA WEATHER RADIO...YOUR LOCAL MEDIA...OR
GO TO WWW.WEATHER.GOV/BOX FOR FURTHER UPDATES ON THIS WEATHER
SITUATION.

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.

PLEASE STAY TUNED TO NOAA WEATHER RADIO...YOUR LOCAL MEDIA...OR
GO TO WWW.WEATHER.GOV/BOX FOR FURTHER UPDATES ON THIS WEATHER
SITUATION.

$$

MAZ019-210930-
/O.CON.KBOX.WS.W.0006.000000T0000Z-101221T1000Z/
EASTERN PLYMOUTH MA-
INCLUDING THE CITY OF...PLYMOUTH
816 PM EST MON DEC 20 2010

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM EST
TUESDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON CONTINUES THE WINTER
STORM WARNING UNTIL 5 AM EST TUESDAY.

* LOCATIONS...EASTERN PLYMOUTH COUNTY.

* HAZARD TYPES...SNOW.

* ACCUMULATIONS...5 TO 9 INCHES.

* TIMING...MODERATE TO HEAVY SNOW THROUGH MIDNIGHT...THEN 
  TAPERING TO SNOW SHOWERS. 

* IMPACTS...HAZARDOUS DRIVING CONDITIONS DUE TO SNOW COVERED 
  ROADS. POOR VISIBILITIES BECAUSE OF STRONG WINDS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PLEASE STAY TUNED TO NOAA WEATHER RADIO...YOUR LOCAL MEDIA...OR
GO TO WWW.WEATHER.GOV/BOX FOR FURTHER UPDATES ON THIS WEATHER
SITUATION.

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.

PLEASE STAY TUNED TO NOAA WEATHER RADIO...YOUR LOCAL MEDIA...OR
GO TO WWW.WEATHER.GOV/BOX FOR FURTHER UPDATES ON THIS WEATHER
SITUATION.

$$

MAZ018-021-210930-
/O.CON.KBOX.WW.Y.0015.000000T0000Z-101221T1000Z/
WESTERN PLYMOUTH MA-SOUTHERN PLYMOUTH MA-
INCLUDING THE CITIES OF...BROCKTON...MATTAPOISETT
816 PM EST MON DEC 20 2010

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

A WINTER WEATHER ADVISORY REMAINS IN EFFECT  UNTIL 5 AM EST
TUESDAY. 

* LOCATIONS...WESTERN PLYMOUTH COUNTY.

* HAZARD TYPES...SNOW.

* ACCUMULATIONS...3 TO 6 INCHES.

* TIMING...STEADIEST SNOW THROUGH MIDNIGHT...THEN TAPERING TO 
  SNOW SHOWERS. 

* IMPACTS...HAZARDOUS DRIVING CONDITIONS DUE TO SNOW COVERED 
  ROADS. 

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.

PLEASE STAY TUNED TO NOAA WEATHER RADIO...YOUR LOCAL MEDIA...OR
GO TO WWW.WEATHER.GOV/BOX FOR FURTHER UPDATES ON THIS WEATHER
SITUATION.

$$

MAZ020-210930-
/O.CON.KBOX.WW.Y.0015.000000T0000Z-101221T1000Z/
SOUTHERN BRISTOL MA-
INCLUDING THE CITIES OF...FALL RIVER...NEW BEDFORD
816 PM EST MON DEC 20 2010

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

A WINTER WEATHER ADVISORY REMAINS IN EFFECT  UNTIL 5 AM EST
TUESDAY. 

* LOCATIONS...SOUTHERN BRISTOL COUNTY.

* HAZARD TYPES...SNOW.

* ACCUMULATIONS...2 TO 6 INCHES.

* TIMING...STEADIEST SNOW THROUGH MIDNIGHT...THEN TAPERING TO 
  SNOW SHOWERS. 

* IMPACTS...HAZARDOUS DRIVING CONDITIONS DUE TO SNOW COVERED 
  ROADS. 

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.

PLEASE STAY TUNED TO NOAA WEATHER RADIO...YOUR LOCAL MEDIA...OR
GO TO WWW.WEATHER.GOV/BOX FOR FURTHER UPDATES ON THIS WEATHER
SITUATION.

$$

MAZ005>007-013>017-210930-
/O.CON.KBOX.WW.Y.0015.000000T0000Z-101221T1000Z/
CENTRAL MIDDLESEX MA-WESTERN ESSEX MA-EASTERN ESSEX MA-
WESTERN NORFOLK MA-SOUTHEAST MIDDLESEX MA-SUFFOLK MA-
EASTERN NORFOLK MA-NORTHERN BRISTOL MA-
INCLUDING THE CITIES OF...FRAMINGHAM...LOWELL...LAWRENCE...
GLOUCESTER...FOXBORO...NORWOOD...CAMBRIDGE...BOSTON...QUINCY...
TAUNTON
816 PM EST MON DEC 20 2010

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

THE NATIONAL WEATHER SERVICE IN TAUNTON CONTINUES THE WINTER
WEATHER ADVISORY UNTIL 5 AM EST TUESDAY.

* LOCATIONS...NORTHEAST MASSACHUSETTS.

* HAZARD TYPES...SNOW.

* ACCUMULATIONS...2 TO 5 INCHES.

* TIMING...STEADIEST SNOW THROUGH MIDNIGHT...THEN TAPERING TO 
  SNOW SHOWERS AFTER MIDNIGHT. 

* IMPACTS...HAZARDOUS DRIVING CONDITIONS DUE TO SNOW COVERED 
  ROADS. 

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.

PLEASE STAY TUNED TO NOAA WEATHER RADIO...YOUR LOCAL MEDIA...OR
GO TO WWW.WEATHER.GOV/BOX FOR FURTHER UPDATES ON THIS WEATHER
SITUATION.

$$

FRANK
206 
WWUS41 KBOX 210909
WSWBOX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
409 AM EST TUE DEC 21 2010

MAZ019-022>024-211015-
/O.CAN.KBOX.WS.W.0006.000000T0000Z-101221T1000Z/
EASTERN PLYMOUTH MA-BARNSTABLE MA-DUKES MA-NANTUCKET MA-
INCLUDING THE CITIES OF...PLYMOUTH...CHATHAM...FALMOUTH...
PROVINCETOWN...VINEYARD HAVEN...NANTUCKET
409 AM EST TUE DEC 21 2010

...WINTER STORM WARNING IS CANCELLED...

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

THE PERIOD OF SIGNIFICANT SNOWFALL HAS ENDED ACROSS EASTERN
PLYMOUTH COUNTY...CAPE COD...MARTHAS VINEYARD AND NANTUCKET. WHILE
ADDITIONAL LIGHT SNOW IS POSSIBLE TODAY...SLIGHTLY WARMER
TEMPERATURES SHOULD LIMIT SNOW ACCUMULATIONS.

$$

MAZ005>007-013>018-020-021-211015-
/O.CAN.KBOX.WW.Y.0015.000000T0000Z-101221T1000Z/
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-
SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-
INCLUDING THE CITIES OF...FRAMINGHAM...LOWELL...LAWRENCE...
GLOUCESTER...FOXBORO...NORWOOD...CAMBRIDGE...BOSTON...QUINCY...
TAUNTON...BROCKTON...FALL RIVER...NEW BEDFORD...MATTAPOISETT
409 AM EST TUE DEC 21 2010

...WINTER WEATHER ADVISORY IS CANCELLED...

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

HE PERIOD OF SIGNIFICANT SNOWFALL HAS ENDED ACROSS EASTERN
MASSACHUSETTS. WHILE ADDITIONAL LIGHT SNOW IS POSSIBLE
TODAY...SLIGHTLY WARMER TEMPERATURES SHOULD LIMIT SNOW
ACCUMULATIONS.

$$

BELK

What forecasters said that day

The local office's own words before this winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Boston/Norton, MA wrote its last area forecast discussion before this winter storm warning went out at Dec 20, 1:12 PM EST, 46 minutes earlier.

Area forecast discussion, Dec 20, 1:12 PM EST, 46 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAUNTON MA
112 PM EST MON DEC 20 2010

.SYNOPSIS...
A DEVELOPING OCEAN STORM WILL PASS WELL SOUTHEAST OF NEW ENGLAND
TODAY AND TONIGHT...BUT SNOW WITH SOME ACCUMULATIONS WILL IMPACT
SOUTHEAST MASSACHUSETTS. THIS SAME OCEAN STORM MAY THROW BACK
ANOTHER PERIOD OF LIGHT SNOW ACROSS THE REGION TUE INTO
WED...ESPECIALLY ACROSS EASTERN MASSACHUSETTS. DRY BUT CHILLY AND
BRISK WEATHER RETURNS LATE IN THE WEEK BEFORE OUR ATTENTION TURNS
TO A POTENTIAL WINTER STORM FOR CHRISTMAS WEEKEND...BUT CONFIDENCE
ON THE DETAILS REMAIN LOW.

&&

.NEAR TERM /UNTIL 6 PM THIS EVENING/...
AREAS OF SNOW CONTINUE TO BACK IN ACROSS SE COASTAL NEW ENGLAND
THIS MORNING AND RADAR SHOWS HEAVIER PRECIP LURKING JUST
OFFSHORE WITH COOLING CLOUD TOPS. GFS QPF APPEARS A BIT TOO HEAVY
OTHERWISE MODELS ARE IN PRETTY GOOD AGREEMENT WITH ADDITIONAL QPF
THROUGH THIS EVENING OF 0.1 TO 0.3" ACROSS SE COASTAL NEW
ENG...WITH HIGHER AMOUNTS OVER OUTER CAPE/ACK.

WHERE QPF IS HEAVIEST...BL TEMPS WILL BE AN ISSUE OVER THE OUTER
CAPE AND ACK WHERE TEMPS SLIGHTLY ABOVE FREEZING WILL LIMIT
ACCUMULATIONS. HOWEVER...TEMPS WILL REMAIN AT OR BELOW FREEZING
NEAR THE CANAL AND POINTS WEST. SO FAR...ACCUM RANGE FROM 1-3"
FROM S/E PYM COUNTY AND UPPER CAPE. ADDITIONAL ACCUM 1-3" POSSIBLE
THROUGH THIS EVENING SO WE ISSUED A WINTER WX ADVSY FOR
2-5"...HIGHEST AMOUNTS NEAR THE CANAL. MOST OF THE ACCUMULATIONS
WILL BE CONFINED TO THE COLDER SURFACES.

VERY LIGHT SNOW OR FLURRIES WILL LIKELY RETROGRADE AS FAR WEST AS
THE BOSTON TO PROVIDENCE CORRIDOR. OTHERWISE THE REMAINDER OF THE
REGION SHOULD REMAIN DRY AND CHILLY WITH PTSUNNY SKIES FAR W
ZONES.

IT WILL BECOME WINDY TODAY ACROSS THE CAPE AND ISLANDS AS
OCEAN LOW BOMBS WELL EAST OF NANTUCKET.

&&

.SHORT TERM /6 PM THIS EVENING THROUGH 6 PM TUESDAY/...
TONIGHT...
OCEAN EFFECT SNOWS WEAKEN AS WARM AIR ALOFT WRAPS AROUND THE
OCEAN STORM AND BACK INTO NEW ENGLAND. THIS WARMER AIR ALOFT WILL
EASE LOW LEVEL LAPSE RATES AND HENCE WEAKEN OCEAN EFFECT SNOW
BANDS. HOWEVER APPEARS WARM AIR ADVECTION WILL BE SUFFICIENT TO
SUPPORT A CHANCE OF LIGHT SNOW TONIGHT ESPECIALLY ACROSS EASTERN
MA. QPF IS LIMITED SO ANY ACCUMULATION SHOULD BE MINOR.

PGRAD TIGHTENS AS OCEAN LOW CONTINUES TO BOMB. N WINDS INCREASE
SHARPLY WITH NNW WINDS OF 25-35 MPH WITH GUSTS TO 45 MPH POSSIBLE.
WE MAY NEED A WIND ADVISORY FOR TONIGHT. DECIDED TO HOLD OFF ON
ISSUING A WIND ADVISORY GIVEN MARGINAL WIND SPEEDS. LATER SHIFTS
WILL MONITOR FOR POSSIBLE ISSUANCE.

TUESDAY...
LIGHT SNOW POSSIBLE EARLY AS WARM AIR ALOFT CONTINUES TO WRAP INTO
THE REGION BUT APPEARS TO EXIT DURING THE AFTERNOON. MODEL TIME
SECTIONS INDICATE COLUMN BEGINNING TO DRY LATER IN THE DAY...SO
PRECIP MAY END WITH SOME IMPROVEMENT DURING THE AFTERNOON.

WINDY CONDITIONS CONTINUE WITH POSSIBLE WIND ADVISORY FOR CAPE COD
AND THE ISLANDS.

&&

.LONG TERM /TUESDAY NIGHT THROUGH SUNDAY/...
HIGHLIGHTS...
 *PERIODS OF LIGHT SNOW POSSIBLE ESPECIALLY ACROSS OUR EASTERN ZONES
  TUE INTO WED
 *POTENTIAL WINTER STORM CHRISTMAS NIGHT INTO SUNDAY

MAIN FOCUS HAS BEEN ON CHANCES FOR LIGHT SNOW ACCUMULATIONS TUE
NIGHT THROUGH WED FROM WRAP AROUND OVERRUNNING AND POTENTIAL FOR
MAJOR WINTER STORM CHRISTMAS NIGHT INTO SUN.

MODELS CONTINUE TO SHOW TO VARYING DEGREES A WRAP AROUND OF
OVERRUNNING PRECIPITATION TUE NIGHT THRU WED. THIS IS CONSISTENT
WITH A DEEP OCCLUDED SYSTEM THAT STALLS FOR A TIME AS DEPICTED BY
CONSENSUS MODEL PROJECTIONS. THERE IS UNCERTAINTY IN THE TIMING AND
INTENSITY OF BANDS THAT MAY ROTATE THROUGH AND SO KEPT POPS IN THE
HI CHANCE OR LOW LIKELY CATEGORY...MAINLY ALONG AND NE OF AN ORE-UUU
LINE. ANY ACCUMULATIONS EXPECTED TO BE LIGHT BUT MAY BE ENOUGH TO
EVENTUALLY ACCUMULATE TO AN INCH OR SO WITH SPOTTY 2 INCH AMOUNTS.
OCCASIONAL LIGHT SNOW MAY LINGER INTO WED NIGHT OVER THE CAPE AND
ISLANDS.

NEXT WEATHER SYSTEM OF INTEREST IS A POTENTIAL NOREASTER AFFECTING
THE AREA CHRISTMAS NIGHT AND SUN. BOTH THE ECWMF AND GFS HAVE SHOWN
SOME RUN TO RUN VARIABILITY BUT OVERALL CLOSE TO THE THEME OF A
DEEPENING LOW PRES PASSING NEAR THE BENCHMARK SOMETIME SUN. GFS
ENSEMBLES SHOW SOME CLUSTERING NEAR THE BENCHMARK BUT ALSO OTHER
MEMBERS SOME DISTANCE OUTSIDE THE BENCHMARK...AND BOTH THE 00Z
AND 06Z OPERATIONAL RUNS ARE FURTHER EAST OF THE PRECEDING 12Z
RUN. THE GGEM AND UKMET LOOK SIMILAR TO THE ECWMF OUT TO 144
HOURS. THIS SYSTEM IS EXPECTED TO TAP GULF AND SUBROPICAL
ATLANTIC MOISTURE AND THUS COULD BE A PROLIFIC PRECIPITATION
PRODUCER DEPENDING MORE PRECISELY UPON THE TRACK. THE TRACK AND
INTENSITY OF THE SYSTEM WILL BE CONTINGENT UPON PHASING OF
NORTHERN AND SOUTHERN STREAM ENERGY...USUALLY A CHALLENGE FOR THE
MEDIUM RANGE MODELS TO HANDLE. THE ECMWF DOES SHOW A DOUBLE JET
STRUCTURE...ALTHOUGH AT THE MOMENT BETTER SITUATED FOR MAINE.
GIVEN THE LENGTH OF TIME YET TO PASS BEFORE ARRIVAL OF THIS SYSTEM
AND RECENT HISTORY OF THE MEDIUM RANGE MODELS...WE WILL NEED TO BE
PREPARED FOR VARIOUS ITERATIONS BEFORE CONFIDENCE CAN BE VERY
HIGH. THIS SYSTEM MAY ALSO PRODUCE ANOTHER BEACH EROSION EPISODE
ALONG EAST FACING SHORELINES.

&&

.AVIATION /18Z MONDAY THROUGH SATURDAY/...
THIS AFTERNOON...IFR/LIFR WILL PERSIST ALONG S COAST...CAPE COD
AND ISLANDS BUT STEADY SNOW WILL HAVE A HARD TIME GETTING MUCH
FARTHER INLAND THAN PVD/BED ONLY FLURRIES ARE EXPECTED WITH VFR
CIGS 035-040. FARTHER INLAND VFR CIGS AOA 050. STRONGEST WINDS
ALONG COAST WITH FREQUENT 35KT GUSTS. HIGH CONFIDENCE.

SNOWFALL TOTALS OF 2-4 INCHES FOR FMH HYA ACK...PERHAPS AS MUCH
AS 5 INCHES FMH.

TONIGHT...IFR MUCH OF NIGHT AROUND CAPE COD AND ISLANDS...
PERHAPS IMPROVING TO MVFR PRIOR TO DAYBREAK. ADDITIONAL 1-2 INCHES
POSSIBLE FMH HYA ACK. VFR CIGS 040-060 ACROSS RI AND EASTERN MA
AND AOA 080 ELSEWHERE. MODERATE CONFIDENCE.

TUESDAY...MVFR CIGS ACROSS RI AND EASTERN MA WITH POSSIBLE IFR
AROUND CAPE COD AND ISLANDS IN PERIODS OF LIGHT SNOW. LITTLE IF
ANY ACCUMULATION EXPECTED. VFR CIGS 040-060 ELSEWHERE WITH
SCATTERED SNOW SHOWERS. GUSTY N WINDS 25-35KT ALONG COAST...
HIGHEST AROUND CAPE COD.

KBOS TAF...HIGH CONFIDENCE. LIGHT SNOW WILL PRODUCE MVFR THROUGH
EARLY EVENING. VSBY MAY LOWER TO IFR AT TIMES /2SM/ BUT IF IT DOES
IT SHOULD NOT LAST LONG.

KPVD TAF...HIGH CONFIDENCE. FLURRIES EXPECTED THROUGH EARLY
EVENING. VSBY MAY BRIEFLY LOWER TO 5SM AND CIGS TO OVC015 AT
TIMES.

OUTLOOK...WEDNESDAY THROUGH FRIDAY...

TUE NIGHT AND WED...GENERALLY VFR EXPECTED WEST OF AN ORE-UUU LINE
AND OCCASIONAL MVFR IN CIGS AND VSBY RESTRICTIONS FROM AREAS OF
LIGHT SNOW EAST OF THIS LINE. LOW TO MODERATE CONFIDENCE.
THU AND FRI...MODERATE CONFIDENCE OF VFR CONDITIONS.

&&

.MARINE...
TODAY...OCEAN LOW BOMBS ACROSS SE GEORGES BANK TODAY WITH
WIDESPREAD NORTHERLY GALES EXPECTED. VSBY REDUCED IN SNOW ACROSS
THE WATERS CAPE COD AND THE ISLANDS.

TONIGHT AND TUE...MORE OF THE SAME - N GALES ALONG WITH COASTAL
LIGHT SNOWS LIMITING VSBY. VERY ROUGH SEAS ACROSS EASTERN MA
WATERS.

OUTLOOK...WEDNESDAY THROUGH FRIDAY...

COMBINATION OF WIND WAVE AND SWELL WILL LIKELY KEEP SEAS IN THE 10
TO 15 FOOT RANGE WED AND THU...POSSIBLY 15 TO 20 FEET FOR A TIME
EAST OF CAPE COD ON WED. THE WIND GRADIENT BASED ON THE EXPECTED
SURFACE PRES GRADIENT LOOKS TO SUPPORT UPPER END SCA OR POSSIBLY
MARGINAL GALE CONDITIONS TUE NIGHT INTO WEDNESDAY...BEFORE
SLACKENING EVER SO GRADUALLY THROUGH THURSDAY. LIGHT WINDS AND
SUBSIDING SEAS ARE EXPECTED ON FRIDAY FOR THE START OF A TWO DAY
REPRIEVE BEFORE A POTENTIAL WEEKEND STORM.

&&

.TIDES/COASTAL FLOODING...
CURRENT SURGE AT BOS RUNNING ABOUT 3/4 OF A FOOT. HIGH
ASTRONOMICAL TIDES ALONG WITH STRONG NORTH TO NORTHWEST WINDS
OFFSHORE WILL ALLOW FOR VERY HIGH SEAS TO DEVELOP. THIS WILL
LIKELY LEAD TO SOME BEACH EROSION TUESDAY THROUGH THURSDAY. THE
LATEST GUIDANCE INDICATES MORE OF A NORTH TO NORTHWEST WIND WHICH
WOULD MINIMIZE THE RISK OF COASTAL FLOODING. EVEN SO...LARGE
BREAKERS FROM HIGH SEAS BEING GENERATED OFFSHORE MAY CAUSE
SPLASHOVER AT THE TIME OF HIGH TIDE IN ADDITION TO BEACH EROSION.
ANY SPLASH OVER OR MINOR COASTAL FLOODING RISK WILL BE HIGHEST
ACROSS THE CAPE AND NANTUCKET...WHERE THERE WILL BE MORE OF AN
ONSHORE FLOW.

&&

.BOX WATCHES/WARNINGS/ADVISORIES...
CT...NONE.
MA...WINTER WEATHER ADVISORY UNTIL 10 PM EST THIS EVENING FOR
     MAZ019-021>024.
NH...NONE.
RI...NONE.
MARINE...GALE WARNING UNTIL 10 AM EST TUESDAY FOR ANZ231-232-250-
     254>256.
     SMALL CRAFT ADVISORY UNTIL 6 AM EST TUESDAY FOR ANZ230-233>235-
     237-251.

&&

SYNOPSIS...NOCERA/THOMPSON
NEAR TERM...KJC/NOCERA
SHORT TERM...NOCERA
LONG TERM...THOMPSON
AVIATION...KJC/JWD
MARINE...KJC/NOCERA/THOMPSON
TIDES/COASTAL FLOODING...THOMPSON
Hazardous weather outlook, Dec 20, 5:13 AM EST, 8 hours 45 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAUNTON MA
513 AM EST MON DEC 20 2010

CTZ002>004-MAZ002>006-008>014-017-026-NHZ011-012-015-RIZ001>008-
211015-
HARTFORD CT-TOLLAND CT-WINDHAM CT-WESTERN FRANKLIN MA-
EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA-
WESTERN ESSEX MA-WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-
EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA-SOUTHERN WORCESTER MA-
WESTERN NORFOLK MA-SOUTHEAST MIDDLESEX MA-NORTHERN BRISTOL MA-
NORTHERN MIDDLESEX MA-CHESHIRE NH-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-BLOCK ISLAND RI-
513 AM EST MON DEC 20 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN
CONNECTICUT...CENTRAL MASSACHUSETTS...EASTERN
MASSACHUSETTS...NORTHEASTERN MASSACHUSETTS...SOUTHEASTERN
MASSACHUSETTS...WESTERN MASSACHUSETTS...SOUTHERN NEW
HAMPSHIRE...NORTHERN RHODE ISLAND AND SOUTHERN RHODE ISLAND.

.DAY ONE...TODAY AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

THERE IS THE CHANCE OF A MAJOR WINTER STORM CHRISTMAS NIGHT INTO
SUNDAY. CONFIDENCE REMAINS LOW AT THIS TIME...SINCE THE POTENTIAL
EVENT IS A NUMBER OF DAYS AWAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

ANZ231-232-250-254>256-211015-
CAPE COD BAY-NANTUCKET SOUND-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK NATIONAL
MARINE SANCTUARY-
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-
513 AM EST MON DEC 20 2010

...GALE WARNING IN EFFECT UNTIL 10 AM EST TUESDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR MASSACHUSETTS COASTAL WATERS
AND RHODE ISLAND COASTAL WATERS.

.DAY ONE...TODAY AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   GALE WARNING.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   GALE WARNING.

IN ADDITION...SEAS MAY BUILD TO 15 TO 20 FEET EAST OF CAPE COD
AND EAST OF NANTUCKET FOR TUESDAY THROUGH WEDNESDAY.

ANOTHER BOUT OF GALE FORCE WINDS IS POSSIBLE CHRISTMAS NIGHT INTO SUNDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

ANZ230-233>237-251-211015-
BOSTON HARBOR-VINEYARD SOUND-BUZZARDS BAY-RHODE ISLAND SOUND-
NARRAGANSETT BAY-BLOCK ISLAND SOUND-
MASSACHUSETTS BAY AND IPSWICH BAY-
513 AM EST MON DEC 20 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR MASSACHUSETTS COASTAL WATERS
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.

THERE IS A LOW TO MODERATE PROBABILITY FOR A PERIOD OF NORTH GALES
TUESDAY THROUGH WEDNESDAY ACROSS THE SOUTHERN NEW ENGLAND WATERS.

THERE IS A LOW PROBABILITY OF ANOTHER BOUT OF GALE FORCE WINDS
CHRISTMAS NIGHT INTO SUNDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

MAZ007-015-016-211015-
EASTERN ESSEX MA-SUFFOLK MA-EASTERN NORFOLK MA-
513 AM EST MON DEC 20 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN MASSACHUSETTS AND
NORTHEASTERN MASSACHUSETTS.

.DAY ONE...TODAY AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

THERE IS A LOW TO MODERATE RISK FOR BEACH EROSION ACROSS THE
EASTERN MASSACHUSETTS COASTLINE FOR TUESDAY THROUGH THURSDAY.

ANOTHER COASTAL OR OCEAN STORM COULD BRING A RENEWED THREAT OF
BEACH EROSION TO THE EASTERN MASSACHUSETTS COAST NEXT
WEEKEND...BUT CONFIDENCE IS LOW AT THIS TIME.  THAT STORM COULD
ALSO BRING A THREAT OF WINTER STORM CONDITIONS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

MAZ018>024-211015-
WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-SOUTHERN BRISTOL MA-
SOUTHERN PLYMOUTH MA-BARNSTABLE MA-DUKES MA-NANTUCKET MA-
513 AM EST MON DEC 20 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEASTERN MASSACHUSETTS.

.DAY ONE...TODAY AND TONIGHT.

NO HAZARDOUS WEATHER EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

THERE IS A MODERATE RISK FOR BEACH EROSION ACROSS THE EASTERN
MASSACHUSETTS COASTLINE IN THE TUESDAY TO THURSDAY TIME FRAME.

ANOTHER COASTAL OR OCEAN STORM COULD BRING A RENEWED THREAT OF
BEACH EROSION TO THE EASTERN MASSACHUSETTS COAST NEXT
WEEKEND...BUT CONFIDENCE IS LOW.  THAT STORM COULD ALSO BRING A
THREAT OF WINTER STORM CONDITIONS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 20, 10:05 AM ESTWinter Weather AdvisoryBOXBarnstable, Bristol, Dukes, Essex, Middlesex, Nantucket and 3 more18 hr

Nearby

Winter Storm Warnings in Massachusetts, 2010Every winter storm warning in 2010

Sources

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