Alert archive / Massachusetts / Winter Storm Warnings in 2018

Winter Storm Warning 4, NWS Boston/Norton, MA

February 17, 20188 counties in Massachusetts; 5 counties in Rhode Island; Capitol Planning Region, Northeastern Connecticut Planning Region, Connecticut

NWS Boston/Norton, MA issued this winter storm warning at Feb 17, 2018, 3:30 AM EST for 8 counties in Massachusetts; 5 counties in Rhode Island; Capitol Planning Region, Northeastern Connecticut Planning Region, Connecticut. It took effect at Feb 17, 2018, 7:00 PM EST. It was in force for 12 hr. 60 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
Feb 17, 2018, 3:30 AM EST (08:30 UTC)
In effect from
Feb 17, 2018, 7:00 PM EST
Expired
Feb 18, 2018, 6:49 AM EST
In force
12 hr
Issued by
NWS Boston/Norton, MA

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

The radar

The Boston radar (KBOX), 32 km from the middle of the area, began a volume at 08:32 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
Feb 17, 10:11 PM ESTSNOW 2West Warwick, RI
Feb 17, 10:13 PM ESTSNOW 1.3North Smithfield, RI
Feb 17, 10:18 PM ESTSNOW 1North Grafton, MA
Feb 17, 10:28 PM ESTSNOW 1.3Clinton, MA
Feb 17, 10:31 PM ESTSNOW 1Warren, RI
Feb 17, 10:32 PM ESTSNOW 1East Providence, RI
Feb 17, 10:36 PM ESTSNOW 1Millis, MA
Feb 17, 10:37 PM ESTSNOW 2West Warwick, RI
Feb 17, 10:44 PM ESTSNOW 1.4New Bedford, MA
Feb 17, 10:45 PM ESTSNOW 1.4New Bedford, MA
Feb 17, 10:54 PM ESTSNOW 2.41 W Foster, RI
Feb 17, 10:56 PM ESTSNOW 2Wales, MA
Feb 17, 11:00 PM ESTSNOW 2.3Providence, RI
Feb 17, 11:02 PM ESTSNOW 1.5Leominster, MA
Feb 17, 11:13 PM ESTSNOW 2.5North Smithfield, RI
Feb 17, 11:19 PM ESTSNOW 2Bridgewater, MA
Feb 17, 11:23 PM ESTSNOW 1.5Pepperell, MA
Feb 17, 11:27 PM ESTSNOW 1.6Carlisle, MA
Feb 17, 11:30 PM ESTSNOW 1.5North Reading, MA
Feb 17, 11:42 PM ESTSNOW 3.5North Providence, RI
Feb 17, 11:45 PM ESTSNOW 2.1East Providence, RI
Feb 17, 11:46 PM ESTSNOW 2.5Westerly, RI
Feb 17, 11:48 PM ESTSNOW 3South Weymouth, MA
Feb 17, 11:51 PM ESTSNOW 3South Weymouth, MA
Feb 17, 11:53 PM ESTSNOW 2.5Dudley, MA
Feb 17, 11:55 PM ESTSNOW 1.8New Bedford, MA
Feb 17, 11:55 PM ESTSNOW 2.5Dudley, MA
Feb 17, 11:58 PM ESTSNOW 2.8East Providence, RI
Feb 18, 12:00 AM ESTSNOW 1.93 E Boston, MALOGAN AIRPORT
Feb 18, 12:00 AM ESTSNOW 2.38 S Providence, RITF GREEN AIRPORT
Feb 18, 12:00 AM ESTSNOW 33 W Worcester, MAWORCESTER AIRPORT
Feb 18, 12:00 AM ESTSNOW 33 W Worcester, MA
Feb 18, 12:00 AM ESTSNOW 3.2Taunton, MANWS TAUNTON OFFICE
Feb 18, 12:02 AM ESTSNOW 2.3Hyde Park, MA
Feb 18, 12:08 AM ESTSNOW 2.5East Freetown, MA
Feb 18, 12:11 AM ESTSNOW 1.9Winthrop, MA
Feb 18, 12:13 AM ESTSNOW 2.8Natick, MA
Feb 18, 12:37 AM ESTSNOW 2.5Ayer, MA
Feb 18, 12:40 AM ESTSNOW 2.8Sharon, MA
Feb 18, 12:44 AM ESTSNOW 3.4Providence, RI
Feb 18, 12:58 AM ESTSNOW 2Sturbridge, MA
Feb 18, 1:20 AM ESTSNOW 4.1Taunton, MANWS TAUNTON OFFICE
Feb 18, 1:24 AM ESTSNOW 3.6Brockton, MA
Feb 18, 1:28 AM ESTSNOW 4West Warwick, RI
Feb 18, 1:30 AM ESTSNOW 3.3East Providence, RI
Feb 18, 1:30 AM ESTSNOW 3.5North Reading, MA
Feb 18, 2:14 AM ESTSNOW 3.5Longmeadow, MA
Feb 18, 2:30 AM ESTSNOW 4.5North Reading, MA
Feb 18, 2:37 AM ESTSNOW 4.6Taunton, MANWS TAUNTON OFFICE
Feb 18, 2:53 AM ESTSNOW 5North Providence, RI
Feb 18, 2:55 AM ESTHEAVY SNOW 0Duxbury, MATREE AND WIRES DOWN ON WEST STREET.
Feb 18, 3:00 AM ESTSNOW 4.2Rumford, RI
Feb 18, 3:28 AM ESTSNOW 4.8Billerica, MA
Feb 18, 3:39 AM ESTSNOW 4.8Taunton, MANWS TAUNTON OFFICE
Feb 18, 3:41 AM ESTHEAVY SNOW 0Norwell, MACHITTENDEN LANE - BRANCH AND WIRES DOWN.
Feb 18, 3:52 AM ESTSNOW 6.5Munroe Station, MA
Feb 18, 4:00 AM ESTSNOW 5North Reading, MA
Feb 18, 4:06 AM ESTSNOW 3.4Milton, MA
Feb 18, 4:17 AM ESTHEAVY SNOW 0Westborough, MAUTILITY POLE CRACKED WITH WIRES DOWN - ROUTE 9 AT OTIS STREET.
Feb 18, 4:32 AM ESTHEAVY SNOW 0Duxbury, MAFIRST STREET - TREE DOWN IN THE ROADWAY.

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 00:00Z, 8.5 hours before the alert went out and 133 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 00:00Z on 2018-02-17Temperature 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 00:00Z on 2018-02-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -86 square meters per square second.1939587897117136156175Sfc1 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
1204 m above ground
0-6 km bulk shear
116 kt
0-1 km storm-relative helicity
-86 m²/s²
0-3 km storm-relative helicity
273 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

001 
WWUS41 KBOX 170830
WSWBOX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Taunton MA
330 AM EST Sat Feb 17 2018

CTZ002>004-MAZ011>013-016>021-RIZ001>007-171630-
/O.UPG.KBOX.WS.A.0004.180218T0000Z-180218T1200Z/
/O.NEW.KBOX.WS.W.0004.180218T0000Z-180218T1200Z/
Hartford CT-Tolland CT-Windham CT-Eastern Hampden MA-
Southern Worcester MA-Western Norfolk MA-Eastern Norfolk MA-
Northern Bristol MA-Western Plymouth MA-Eastern Plymouth MA-
Southern Bristol MA-Southern Plymouth MA-Northwest Providence RI-
Southeast Providence RI-Western Kent RI-Eastern Kent RI-
Bristol RI-Washington RI-Newport RI-
Including the cities of Hartford, Windsor Locks, Union, Vernon, 
Putnam, Willimantic, Springfield, Milford, Worcester, Foxborough,
Norwood, Quincy, Taunton, Brockton, Plymouth, Fall River, 
New Bedford, Mattapoisett, Foster, Smithfield, Providence, 
Coventry, West Greenwich, East Greenwich, Warwick, West Warwick, 
Bristol, Narragansett, Westerly, and Newport
330 AM EST Sat Feb 17 2018

...WINTER STORM WARNING IN EFFECT FROM 7 PM THIS EVENING TO 7 AM
EST SUNDAY...

* WHAT...Heavy snow expected. Plan on difficult travel 
  conditions. Total snow accumulations of 5 to 8 inches are 
  expected.

* WHERE...Portions of northern Connecticut, all of Rhode Island
  except Block Island, and Southeastern Massachusetts except Cape
  Cod and the Islands.

* WHEN...From 7 PM this evening to 7 AM EST Sunday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in
  visibility at times. Heavy snow possible, with snowfall rates 1
  to 2 inches per hour expected.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions are expected. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency.

&&

$$

MAZ015-171630-
/O.UPG.KBOX.WS.A.0004.180218T0000Z-180218T1200Z/
/O.NEW.KBOX.WW.Y.0012.180218T0000Z-180218T1200Z/
Suffolk MA-
Including the city of Boston
330 AM EST Sat Feb 17 2018

...WINTER WEATHER ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO
7 AM EST SUNDAY...

* WHAT...Snow expected. Plan on difficult travel conditions. 
  Total snow accumulations of 4 to 6 inches are expected.

* WHERE...Metro Boston.

* WHEN...From 7 PM this evening to 7 AM EST Sunday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means periods of snow will
cause primarily travel difficulties. Be prepared for snow covered
roads and limited visibilities, and use caution while driving.

&&

$$

MAZ002>010-014-026-171630-
/O.NEW.KBOX.WW.Y.0012.180218T0000Z-180218T1200Z/
Western Franklin MA-Eastern Franklin MA-Northern Worcester MA-
Central Middlesex MA-Western Essex MA-Eastern Essex MA-
Western Hampshire MA-Western Hampden MA-Eastern Hampshire MA-
Southeast Middlesex MA-Northern Middlesex MA-
Including the cities of Charlemont, Greenfield, Orange, Barre, 
Fitchburg, Framingham, Lowell, Lawrence, Gloucester, 
Chesterfield, Blandford, Amherst, Northampton, Cambridge, 
and Ayer
330 AM EST Sat Feb 17 2018

...WINTER WEATHER ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO
7 AM EST SUNDAY...

* WHAT...Snow expected. Plan on slippery road conditions. Total 
  snow accumulations of 3 to 5 inches are expected.

* WHERE...Massachusetts, along and north of the Massachusetts
  Turnpike.

* WHEN...From 7 PM this evening to 7 AM EST Sunday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means periods of snow will
cause primarily travel difficulties. Be prepared for snow covered
roads and limited visibilities, and use caution while driving.

&&

$$

MAZ023-171630-
/O.NEW.KBOX.WW.Y.0012.180218T0000Z-180218T1200Z/
Dukes MA-
Including the city of Vineyard Haven
330 AM EST Sat Feb 17 2018

...WINTER WEATHER ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO
7 AM EST SUNDAY...

* WHAT...Snow expected. Plan on difficult travel conditions. 
  Total snow accumulations of 3 to 6 inches are expected.

* WHERE...Marthas Vineyard.

* WHEN...From 7 PM this evening to 7 AM EST Sunday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means periods of snow will
cause primarily travel difficulties. Be prepared for snow covered
roads and limited visibilities, and use caution while driving.

&&

$$

MAZ022-171630-
/O.CON.KBOX.WS.A.0004.180218T0000Z-180218T1200Z/
Barnstable MA-
Including the cities of Chatham, Falmouth, and Provincetown
330 AM EST Sat Feb 17 2018

...WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH
SUNDAY MORNING...

* WHAT...Heavy snow possible for a portion of the Cape. Plan on
  difficult travel conditions. Total snow accumulations of 1 to 3
  inches are possible in some locations, while 4 to 6 inches are
  possible elsewhere.  Given the uncertainty the watch continues.

* WHERE...Cape Cod.

* WHEN...From this evening through Sunday morning.

* ADDITIONAL DETAILS...Significant reductions in visibility are 
  possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Watch means there is potential for significant
snow, sleet or ice accumulations that may impact travel. Continue
to monitor the latest forecasts.

&&

$$
6 follow-up statements
702 
WWUS41 KBOX 171621
WSWBOX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Taunton MA
1121 AM EST Sat Feb 17 2018

CTZ002>004-MAZ011>013-016>021-RIZ001>007-180030-
/O.CON.KBOX.WS.W.0004.180218T0000Z-180218T1200Z/
Hartford CT-Tolland CT-Windham CT-Eastern Hampden MA-
Southern Worcester MA-Western Norfolk MA-Eastern Norfolk MA-
Northern Bristol MA-Western Plymouth MA-Eastern Plymouth MA-
Southern Bristol MA-Southern Plymouth MA-Northwest Providence RI-
Southeast Providence RI-Western Kent RI-Eastern Kent RI-
Bristol RI-Washington RI-Newport RI-
Including the cities of Hartford, Windsor Locks, Union, Vernon, 
Putnam, Willimantic, Springfield, Milford, Worcester, Foxborough,
Norwood, Quincy, Taunton, Brockton, Plymouth, Fall River, 
New Bedford, Mattapoisett, Foster, Smithfield, Providence, 
Coventry, West Greenwich, East Greenwich, Warwick, West Warwick, 
Bristol, Narragansett, Westerly, and Newport
1121 AM EST Sat Feb 17 2018

...WINTER STORM WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO 7 AM EST SUNDAY...

* WHAT...Heavy snow expected. Plan on difficult travel 
  conditions. Total snow accumulations of 5 to 8 inches are 
  expected.

* WHERE...Portions of northern Connecticut, all of Rhode Island 
  except Block Island, and Southeastern Massachusetts except 
  Cape Cod and the Islands.

* WHEN...From 7 PM this evening to 7 AM EST Sunday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times. Heavy snow possible, with snowfall rates 
  1 to 2 inches per hour expected.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions are expected. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency.

&&

$$

MAZ002>010-014-015-026-180030-
/O.CON.KBOX.WW.Y.0012.180218T0000Z-180218T1200Z/
Western Franklin MA-Eastern Franklin MA-Northern Worcester MA-
Central Middlesex MA-Western Essex MA-Eastern Essex MA-
Western Hampshire MA-Western Hampden MA-Eastern Hampshire MA-
Southeast Middlesex MA-Suffolk MA-Northern Middlesex MA-
Including the cities of Charlemont, Greenfield, Orange, Barre, 
Fitchburg, Framingham, Lowell, Lawrence, Gloucester, 
Chesterfield, Blandford, Amherst, Northampton, Cambridge, Boston,
and Ayer
1121 AM EST Sat Feb 17 2018

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 PM THIS
EVENING TO 7 AM EST SUNDAY...

* WHAT...Snow expected. Plan on difficult travel conditions. 
  Total snow accumulations of 4 to 6 inches are expected.

* WHERE...Metro Boston.

* WHEN...From 7 PM this evening to 7 AM EST Sunday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means periods of snow will
cause primarily travel difficulties. Be prepared for snow covered
roads and limited visibilities, and use caution while driving.

&&

$$

MAZ023-180030-
/O.CON.KBOX.WW.Y.0012.180218T0000Z-180218T1200Z/
Dukes MA-
Including the city of Vineyard Haven
1121 AM EST Sat Feb 17 2018

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 PM THIS
EVENING TO 7 AM EST SUNDAY...

* WHAT...Snow expected. Plan on difficult travel conditions. 
  Total snow accumulations of 3 to 6 inches are expected.

* WHERE...Marthas Vineyard.

* WHEN...From 7 PM this evening to 7 AM EST Sunday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means periods of snow will
cause primarily travel difficulties. Be prepared for snow covered
roads and limited visibilities, and use caution while driving.

&&

$$

MAZ022-180030-
/O.CON.KBOX.WS.A.0004.180218T0000Z-180218T1200Z/
Barnstable MA-
Including the cities of Chatham, Falmouth, and Provincetown
1121 AM EST Sat Feb 17 2018

...WINTER STORM WATCH REMAINS IN EFFECT FROM 7 PM EST THIS
EVENING THROUGH SUNDAY MORNING...

* WHAT...Heavy snow possible for a portion of the Cape. Plan on 
  difficult travel conditions. Total snow accumulations of 1 to 
  3 inches are possible in some locations, while 4 to 6 inches 
  are possible elsewhere. Given the uncertainty the watch 
  continues. 

* WHERE...Cape Cod.

* WHEN...From this evening through Sunday morning.

* ADDITIONAL DETAILS...Significant reductions in visibility are 
  possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Watch means there is potential for significant
snow, sleet or ice accumulations that may impact travel. Continue
to monitor the latest forecasts.

&&

$$
552 
WWUS41 KBOX 171826
WSWBOX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Taunton MA
126 PM EST Sat Feb 17 2018

CTZ002>004-MAZ011>013-016>021-RIZ001>007-180230-
/O.CON.KBOX.WS.W.0004.180218T0000Z-180218T1200Z/
Hartford CT-Tolland CT-Windham CT-Eastern Hampden MA-
Southern Worcester MA-Western Norfolk MA-Eastern Norfolk MA-
Northern Bristol MA-Western Plymouth MA-Eastern Plymouth MA-
Southern Bristol MA-Southern Plymouth MA-Northwest Providence RI-
Southeast Providence RI-Western Kent RI-Eastern Kent RI-
Bristol RI-Washington RI-Newport RI-
Including the cities of Hartford, Windsor Locks, Union, Vernon, 
Putnam, Willimantic, Springfield, Milford, Worcester, Foxborough,
Norwood, Quincy, Taunton, Brockton, Plymouth, Fall River, 
New Bedford, Mattapoisett, Foster, Smithfield, Providence, 
Coventry, West Greenwich, East Greenwich, Warwick, West Warwick, 
Bristol, Narragansett, Westerly, and Newport
126 PM EST Sat Feb 17 2018

...WINTER STORM WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO 7 AM EST SUNDAY...

* WHAT...Heavy snow expected. Plan on difficult travel 
  conditions. Total snow accumulations of 4 to 7 inches are 
  expected.

* WHERE...Portions of northern Connecticut, central, eastern,
  southeastern and western Massachusetts and all of Rhode Island
  except for Block Island.

* WHEN...From 7 PM this evening to 7 AM EST Sunday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in
  visibility at times tonight. Untreated surfaces will be
  slippery.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions are expected. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency.

&&

$$

MAZ022-180230-
/O.UPG.KBOX.WS.A.0004.180218T0000Z-180218T1200Z/
/O.EXA.KBOX.WW.Y.0012.180218T0000Z-180218T1200Z/
Barnstable MA-
Including the cities of Chatham, Falmouth, and Provincetown
126 PM EST Sat Feb 17 2018

...WINTER WEATHER ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO
7 AM EST SUNDAY...

* WHAT...Snow expected. Plan on difficult travel conditions. Total
  average snow accumulations of 2 to 4 inches are expected.
  Locally higher amounts up to 7 inches possible across the upper
  Cape.

* WHERE...Barnstable County.

* WHEN...From 7 PM this evening to 7 AM EST Sunday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at
  times. Untreated surfaces will be slippery.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means periods of snow will
cause primarily travel difficulties. Be prepared for snow covered
roads and limited visibilities, and use caution while driving.

&&

$$

MAZ002>010-014-015-026-180230-
/O.CON.KBOX.WW.Y.0012.180218T0000Z-180218T1200Z/
Western Franklin MA-Eastern Franklin MA-Northern Worcester MA-
Central Middlesex MA-Western Essex MA-Eastern Essex MA-
Western Hampshire MA-Western Hampden MA-Eastern Hampshire MA-
Southeast Middlesex MA-Suffolk MA-Northern Middlesex MA-
Including the cities of Charlemont, Greenfield, Orange, Barre, 
Fitchburg, Framingham, Lowell, Lawrence, Gloucester, 
Chesterfield, Blandford, Amherst, Northampton, Cambridge, Boston,
and Ayer
126 PM EST Sat Feb 17 2018

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 PM THIS
EVENING TO 7 AM EST SUNDAY...

* WHAT...Snow expected. Plan on difficult travel conditions. 
  Total snow accumulations of 3 to 6 inches are expected.

* WHERE...Portions of central, eastern, northeastern and western 
  Massachusetts.

* WHEN...From 7 PM this evening to 7 AM EST Sunday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times. Untreated surfaces will be slippery.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means periods of snow will
cause primarily travel difficulties. Be prepared for snow covered
roads and limited visibilities, and use caution while driving.

&&

$$

MAZ023-180230-
/O.CON.KBOX.WW.Y.0012.180218T0000Z-180218T1200Z/
Dukes MA-
Including the city of Vineyard Haven
126 PM EST Sat Feb 17 2018

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 PM THIS
EVENING TO 7 AM EST SUNDAY...

* WHAT...Snow expected. Plan on difficult travel conditions. 
  Total snow accumulations of 3 to 6 inches are expected.

* WHERE...Dukes MA County.

* WHEN...From 7 PM this evening to 7 AM EST Sunday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means periods of snow will
cause primarily travel difficulties. Be prepared for snow covered
roads and limited visibilities, and use caution while driving.

&&

$$
853 
WWUS41 KBOX 172108
WSWBOX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Taunton MA
408 PM EST Sat Feb 17 2018

CTZ002>004-MAZ011>013-016>021-RIZ001>007-180515-
/O.CON.KBOX.WS.W.0004.180218T0000Z-180218T1200Z/
Hartford CT-Tolland CT-Windham CT-Eastern Hampden MA-
Southern Worcester MA-Western Norfolk MA-Eastern Norfolk MA-
Northern Bristol MA-Western Plymouth MA-Eastern Plymouth MA-
Southern Bristol MA-Southern Plymouth MA-Northwest Providence RI-
Southeast Providence RI-Western Kent RI-Eastern Kent RI-
Bristol RI-Washington RI-Newport RI-
Including the cities of Hartford, Windsor Locks, Union, Vernon, 
Putnam, Willimantic, Springfield, Milford, Worcester, Foxborough,
Norwood, Quincy, Taunton, Brockton, Plymouth, Fall River, 
New Bedford, Mattapoisett, Foster, Smithfield, Providence, 
Coventry, West Greenwich, East Greenwich, Warwick, West Warwick, 
Bristol, Narragansett, Westerly, and Newport
408 PM EST Sat Feb 17 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST SUNDAY...

* WHAT...Heavy snow expected. Plan on difficult travel 
  conditions. Total snow accumulations of 4 to 7 inches are 
  expected.

* WHERE...Portions of northern Connecticut, central, eastern,
  southeastern and western Massachusetts and all of Rhode Island
  except for Block Island.

* WHEN...Until 7 AM EST Sunday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in
  visibility at times. Untreated surfaces will be slippery.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions are expected. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency.

&&

$$

MAZ002>010-014-015-026-180515-
/O.CON.KBOX.WW.Y.0012.180218T0000Z-180218T1200Z/
Western Franklin MA-Eastern Franklin MA-Northern Worcester MA-
Central Middlesex MA-Western Essex MA-Eastern Essex MA-
Western Hampshire MA-Western Hampden MA-Eastern Hampshire MA-
Southeast Middlesex MA-Suffolk MA-Northern Middlesex MA-
Including the cities of Charlemont, Greenfield, Orange, Barre, 
Fitchburg, Framingham, Lowell, Lawrence, Gloucester, 
Chesterfield, Blandford, Amherst, Northampton, Cambridge, Boston,
and Ayer
408 PM EST Sat Feb 17 2018

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
SUNDAY...

* WHAT...Snow expected. Plan on difficult travel conditions. Total
  snow accumulations of 4 to 6 inches are expected. Locally higher
  amounts up to 7 inches possible.

* WHERE...Portions of central, eastern, northeastern and western 
  Massachusetts.

* WHEN...Until 7 AM EST Sunday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times. Untreated surfaces will be slippery.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means periods of snow will
cause primarily travel difficulties. Be prepared for snow covered
roads and limited visibilities, and use caution while driving.

&&

$$

MAZ023-180515-
/O.CON.KBOX.WW.Y.0012.180218T0000Z-180218T1200Z/
Dukes MA-
Including the city of Vineyard Haven
408 PM EST Sat Feb 17 2018

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
SUNDAY...

* WHAT...Snow expected. Plan on slippery road conditions. Total 
  snow accumulations of 2 to 4 inches are expected.

* WHERE...Dukes County.

* WHEN...Until 7 AM EST Sunday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times. Untreated surfaces will be slippery.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means periods of snow will
cause primarily travel difficulties. Be prepared for snow covered
roads and limited visibilities, and use caution while driving.

&&

$$

MAZ022-180515-
/O.CON.KBOX.WW.Y.0012.180218T0000Z-180218T1200Z/
Barnstable MA-
Including the cities of Chatham, Falmouth, and Provincetown
408 PM EST Sat Feb 17 2018

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
SUNDAY...

* WHAT...Snow expected. Plan on slippery road conditions. Total
  snow accumulations of 2 to 4 inches, with localized amounts up
  to 6 inches across the upper Cape, are expected.

* WHERE...Barnstable County.

* WHEN...Until 7 AM EST Sunday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means periods of snow will
cause primarily travel difficulties. Be prepared for snow covered
roads and limited visibilities, and use caution while driving.

&&

$$
538 
WWUS41 KBOX 180407
WSWBOX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Taunton MA
1107 PM EST Sat Feb 17 2018

MAZ005>007-014-015-181200-
/O.UPG.KBOX.WW.Y.0012.000000T0000Z-180218T1200Z/
/O.EXA.KBOX.WS.W.0004.000000T0000Z-180218T1200Z/
Central Middlesex MA-Western Essex MA-Eastern Essex MA-
Southeast Middlesex MA-Suffolk MA-
Including the cities of Framingham, Lowell, Lawrence, Gloucester,
Cambridge, and Boston
1107 PM EST Sat Feb 17 2018

...WINTER STORM WARNING IN EFFECT UNTIL 7 AM EST SUNDAY...

* WHAT...Heavy snow occurring. Plan on difficult travel 
  conditions. Additional snow accumulations of 4 to 7 inches are 
  expected.

* WHERE...Northeastern Massachusetts, including the Boston metro.

* WHEN...Until 7 AM EST Sunday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in
  visibility at times. Heavy snow with 1 to 2 inch per hour
  snowfall rates are possible, especially during the morning
  hours.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions are occurring. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency.

&&

$$

CTZ002>004-MAZ011>013-016>021-RIZ001>007-181200-
/O.CON.KBOX.WS.W.0004.000000T0000Z-180218T1200Z/
Hartford CT-Tolland CT-Windham CT-Eastern Hampden MA-
Southern Worcester MA-Western Norfolk MA-Eastern Norfolk MA-
Northern Bristol MA-Western Plymouth MA-Eastern Plymouth MA-
Southern Bristol MA-Southern Plymouth MA-Northwest Providence RI-
Southeast Providence RI-Western Kent RI-Eastern Kent RI-
Bristol RI-Washington RI-Newport RI-
Including the cities of Hartford, Windsor Locks, Union, Vernon, 
Putnam, Willimantic, Springfield, Milford, Worcester, Foxborough,
Norwood, Quincy, Taunton, Brockton, Plymouth, Fall River, 
New Bedford, Mattapoisett, Foster, Smithfield, Providence, 
Coventry, West Greenwich, East Greenwich, Warwick, West Warwick, 
Bristol, Narragansett, Westerly, and Newport
1107 PM EST Sat Feb 17 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST SUNDAY...

* WHAT...Heavy snow occurring. Plan on difficult travel 
  conditions. Additional snow accumulations of 3 to 5 inches are 
  expected.

* WHERE...Portions of northern Connecticut, central, eastern, 
  southeastern and western Massachusetts and northern and 
  southern Rhode Island.

* WHEN...Until 7 AM EST Sunday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times. Heavy snow with 1 to 2 inch per hour
  snowfall rates are possible, especially during the morning
  hours.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions are occurring. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency.

&&

$$

MAZ002>004-008>010-026-181200-
/O.CON.KBOX.WW.Y.0012.000000T0000Z-180218T1200Z/
Western Franklin MA-Eastern Franklin MA-Northern Worcester MA-
Western Hampshire MA-Western Hampden MA-Eastern Hampshire MA-
Northern Middlesex MA-
Including the cities of Charlemont, Greenfield, Orange, Barre, 
Fitchburg, Chesterfield, Blandford, Amherst, Northampton, 
and Ayer
1107 PM EST Sat Feb 17 2018

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
SUNDAY...

* WHAT...Snow occurring. Plan on slippery road conditions. 
  Additional snow accumulations of 2 to 4 inches are expected.

* WHERE...Portions of central, eastern and western Massachusetts.

* WHEN...Until 7 AM EST Sunday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means periods of snow will
cause primarily travel difficulties. Be prepared for snow covered
roads and limited visibilities, and use caution while driving.

&&

$$

MAZ023-181200-
/O.CON.KBOX.WW.Y.0012.000000T0000Z-180218T1200Z/
Dukes MA-
Including the city of Vineyard Haven
1107 PM EST Sat Feb 17 2018

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
SUNDAY...

* WHAT...Snow occurring. Plan on slippery road conditions. 
  Additional snow accumulations of up to one inch, with 
  localized amounts up to 3 inches, are expected.

* WHERE...Marthas Vineyard.

* WHEN...Until 7 AM EST Sunday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means periods of snow will
cause primarily travel difficulties. Be prepared for snow covered
roads and limited visibilities, and use caution while driving.

&&

$$

MAZ022-181200-
/O.CON.KBOX.WW.Y.0012.000000T0000Z-180218T1200Z/
Barnstable MA-
Including the cities of Chatham, Falmouth, and Provincetown
1107 PM EST Sat Feb 17 2018

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
SUNDAY...

* WHAT...Snow occurring. Plan on slippery road conditions. 
  Additional snow accumulations of 1 to 3 inches are expected.

* WHERE...Cape Cod.

* WHEN...Until 7 AM EST Sunday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means periods of snow will
cause primarily travel difficulties. Be prepared for snow covered
roads and limited visibilities, and use caution while driving.

&&

$$
794 
WWUS41 KBOX 180533
WSWBOX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Taunton MA
1233 AM EST Sun Feb 18 2018

MAZ020-021-RIZ007-180645-
/O.CAN.KBOX.WS.W.0004.000000T0000Z-180218T1200Z/
Southern Bristol MA-Southern Plymouth MA-Newport RI-
Including the cities of Fall River, New Bedford, Mattapoisett, 
and Newport
1233 AM EST Sun Feb 18 2018

...WINTER STORM WARNING IS CANCELLED...

Precipitation has changed to rain or mainly very wet snow early
this morning. This will keep snow totals down for the remainder of
the storm, such that Winter Storm Warnings are no longer
necessary.

$$

MAZ022-023-180645-
/O.CAN.KBOX.WW.Y.0012.000000T0000Z-180218T1200Z/
Barnstable MA-Dukes MA-
Including the cities of Chatham, Falmouth, Provincetown, 
and Vineyard Haven
1233 AM EST Sun Feb 18 2018

...WINTER WEATHER ADVISORY IS CANCELLED...

Precipitation has changed to rain or mainly very wet snow early
this morning. This will keep snow totals down for the remainder of
the storm, such that Winter Weather Advisories are no longer 
necessary. 

$$

CTZ002>004-MAZ011>013-016>019-RIZ001>006-181200-
/O.CON.KBOX.WS.W.0004.000000T0000Z-180218T1200Z/
Hartford CT-Tolland CT-Windham CT-Eastern Hampden MA-
Southern Worcester MA-Western Norfolk MA-Eastern Norfolk MA-
Northern Bristol MA-Western Plymouth MA-Eastern Plymouth MA-
Northwest Providence RI-Southeast Providence RI-Western Kent RI-
Eastern Kent RI-Bristol RI-Washington RI-
Including the cities of Hartford, Windsor Locks, Union, Vernon, 
Putnam, Willimantic, Springfield, Milford, Worcester, Foxborough,
Norwood, Quincy, Taunton, Brockton, Plymouth, Foster, Smithfield,
Providence, Coventry, West Greenwich, East Greenwich, Warwick, 
West Warwick, Bristol, Narragansett, and Westerly
1233 AM EST Sun Feb 18 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS
MORNING...

* WHAT...Heavy snow occurring. Plan on difficult travel 
  conditions. Additional snow accumulations of 2 to 4 inches are 
  expected.

* WHERE...Portions of northern Connecticut, central, eastern, 
  southeastern and western Massachusetts and northern and 
  southern Rhode Island.

* WHEN...Until 7 AM EST this morning.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions are occurring. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency.

&&

$$

MAZ005>007-014-015-181200-
/O.CON.KBOX.WS.W.0004.000000T0000Z-180218T1200Z/
Central Middlesex MA-Western Essex MA-Eastern Essex MA-
Southeast Middlesex MA-Suffolk MA-
Including the cities of Framingham, Lowell, Lawrence, Gloucester,
Cambridge, and Boston
1233 AM EST Sun Feb 18 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS
MORNING...

* WHAT...Heavy snow occurring. Plan on difficult travel 
  conditions. Additional snow accumulations of 3 to 5 inches are 
  expected.

* WHERE...Central Middlesex MA, Western Essex MA, Eastern Essex 
  MA, Southeast Middlesex MA and Suffolk MA Counties.

* WHEN...Until 7 AM EST this morning.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions are occurring. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency.

&&

$$

MAZ002>004-008>010-026-181200-
/O.CON.KBOX.WW.Y.0012.000000T0000Z-180218T1200Z/
Western Franklin MA-Eastern Franklin MA-Northern Worcester MA-
Western Hampshire MA-Western Hampden MA-Eastern Hampshire MA-
Northern Middlesex MA-
Including the cities of Charlemont, Greenfield, Orange, Barre, 
Fitchburg, Chesterfield, Blandford, Amherst, Northampton, 
and Ayer
1233 AM EST Sun Feb 18 2018

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS
MORNING...

* WHAT...Snow occurring. Plan on slippery road conditions. 
  Additional snow accumulations of 1 to 3 inches are expected.

* WHERE...Portions of central, eastern and western Massachusetts.

* WHEN...Until 7 AM EST this morning.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means periods of snow will
cause primarily travel difficulties. Be prepared for snow covered
roads and limited visibilities, and use caution while driving.

&&

$$
411 
WWUS41 KBOX 181149
WSWBOX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Taunton MA
649 AM EST Sun Feb 18 2018

CTZ002>004-MAZ005>007-011>019-RIZ001>006-181300-
/O.CAN.KBOX.WS.W.0004.000000T0000Z-180218T1200Z/
Hartford CT-Tolland CT-Windham CT-Central Middlesex MA-
Western Essex MA-Eastern Essex MA-Eastern Hampden MA-
Southern Worcester MA-Western Norfolk MA-Southeast Middlesex MA-
Suffolk MA-Eastern Norfolk MA-Northern Bristol MA-
Western Plymouth MA-Eastern Plymouth MA-Northwest Providence RI-
Southeast Providence RI-Western Kent RI-Eastern Kent RI-
Bristol RI-Washington RI-
Including the cities of Hartford, Windsor Locks, Union, Vernon, 
Putnam, Willimantic, Framingham, Lowell, Lawrence, Gloucester, 
Springfield, Milford, Worcester, Foxborough, Norwood, Cambridge, 
Boston, Quincy, Taunton, Brockton, Plymouth, Foster, Smithfield, 
Providence, Coventry, West Greenwich, East Greenwich, Warwick, 
West Warwick, Bristol, Narragansett, and Westerly
649 AM EST Sun Feb 18 2018

...WINTER STORM WARNING IS CANCELLED...

The Winter Storm Warning that was in effect has been cancelled. 

The precipitation has ended across most of the region, with
leftover rain and snow moving off the eastern Massachusetts coast
by 9 AM. 

Most of the snowfall left on the ground should melt through the 
day as temperatures will rise to the lower to mid 40s across the
coastal plain.

$$

MAZ002>004-008>010-026-181300-
/O.CAN.KBOX.WW.Y.0012.000000T0000Z-180218T1200Z/
Western Franklin MA-Eastern Franklin MA-Northern Worcester MA-
Western Hampshire MA-Western Hampden MA-Eastern Hampshire MA-
Northern Middlesex MA-
Including the cities of Charlemont, Greenfield, Orange, Barre, 
Fitchburg, Chesterfield, Blandford, Amherst, Northampton, 
and Ayer
649 AM EST Sun Feb 18 2018

...WINTER WEATHER ADVISORY IS CANCELLED...

The Winter Weather Advisory that was in effect has been cancelled.

The snow has pushed well east of the region early this morning.
Most of the snowfall on the ground should melt as temperatures 
will rise to the mid 30s across the higher terrain to the lower 
40s across the remainder of north central and northwest 
Massachusetts this afternoon. 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 17, 3:30 AM ESTWinter Weather AdvisoryBOXBarnstable, Dukes, Essex, Franklin, Hampden, Hampshire and 4 more27 hr
Feb 17, 4:03 PM ESTSmall Craft AdvisoryBOX30 hr

Nearby

Winter Storm Warnings in Massachusetts, 2018Winter Storm Warnings in Rhode Island, 2018Winter Storm Warnings in Connecticut, 2018Every winter storm warning in 2018

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.