Alert archive / Massachusetts / Winter Storm Warnings in 2011

Winter Storm Warning 2, NWS Boston/Norton, MA

January 7, 2011Hampden County, Hampshire County, Massachusetts; Capitol Planning Region, Connecticut

NWS Boston/Norton, MA issued this winter storm warning at Jan 7, 2011, 9:07 PM EST for Hampden County, Hampshire County, Massachusetts; Capitol Planning Region, Connecticut. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jan 7, 2011, 9:07 PM EST (02:07 UTC)
Expired
Jan 8, 2011, 3:36 AM EST
In force
6 hr
Issued by
NWS Boston/Norton, MA

Counties Capitol Planning Region, CT, Hampden County, MA, Hampshire County, MA

The radar

The Boston radar (KBOX), 124 km from the middle of the area, began a volume at 02:08 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

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

The nearest sounding before it

Albany, NY (KALY), launched 00:00Z, 2.1 hours before the alert went out and 119 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, Albany, NY at 00:00Z on 2011-01-08Temperature 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, Albany, NY at 00:00Z on 2011-01-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 84 square meters per square second.193958Sfc1 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
691 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
84 m²/s²
0-3 km storm-relative helicity
287 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.

514 
WWUS41 KBOX 080207
WSWBOX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
907 PM EST FRI JAN 7 2011

...ACCUMULATING SNOW OVERNIGHT...

CTZ002-003-MAZ008-009-081000-
/O.UPG.KBOX.WW.Y.0001.000000T0000Z-110108T1000Z/
/O.NEW.KBOX.WS.W.0002.110108T0207Z-110108T1000Z/
HARTFORD CT-TOLLAND CT-WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...CHESTERFIELD...BLANDFORD
907 PM EST FRI JAN 7 2011

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

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WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT.

* LOCATIONS...HARTFORD AND TOLLAND COUNTIES IN CONNECTICUT AS WELL
  AS EXTREME WESTERN HAMPSHIRE AND WESTERN HAMPDEN COUNTIES.

* HAZARD TYPES...HEAVY SNOW AND POOR VISIBILITIES

* ACCUMULATIONS...4 TO 8 INCHES OF SNOW...EXCEPT 6 TO 10 INCHES IN
  HARTFORD COUNTY.

* TIMING...MODERATE TO HEAVY SNOW WILL CONTINUE OVERNIGHT BEFORE
  DIMINISHING TOWARD MORNING.

* IMPACTS...UNTREATED ROADS WILL BE SNOW COVERED AND SLIPPERY WITH
  POOR VISIBILITIES.

* WINDS...NORTHEAST UP TO 5 MPH.

* TEMPERATURES...IN THE MID 20S.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MAZ002-081000-
/O.CON.KBOX.WW.Y.0001.000000T0000Z-110108T1000Z/
WESTERN FRANKLIN MA-
INCLUDING THE CITY OF...CHARLEMONT
907 PM EST FRI JAN 7 2011

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

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

* LOCATIONS...EXTREME WESTERN FRANKLIN COUNTY IN MASSACHUSETTS.

* HAZARD TYPES...SNOW.

* ACCUMULATIONS...3 TO 6 INCHES OF SNOW.

* TIMING...SNOW WILL CONTINUE FOR MUCH OF THE NIGHT BEFORE
  DIMINISHING TOWARD MORNING.

* IMPACTS...UNTREATED ROADWAYS WILL BECOME SNOW COVERED AND
  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.

&&

$$

CTZ004-MAZ003-004-010>012-026-081000-
/O.CON.KBOX.WW.Y.0001.000000T0000Z-110108T1000Z/
WINDHAM CT-EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-
EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA-SOUTHERN WORCESTER MA-
NORTHERN MIDDLESEX MA-
INCLUDING THE CITIES OF...PUTNAM...WILLIMANTIC...GREENFIELD...
ORANGE...BARRE...FITCHBURG...AMHERST...NORTHAMPTON...
SPRINGFIELD...MILFORD...WORCESTER...AYER
907 PM EST FRI JAN 7 2011

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

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

* LOCATIONS...WEST CENTRAL AND CENTRAL MASSACHUSETTS AS WELL AS
  WINDHAM COUNTY IN CONNECTICUT.

* HAZARD TYPES...SNOW

* ACCUMULATIONS...2 TO 4 INCHES OF SNOW WITH THE HIGHEST AMOUNTS
  MOST LIKELY IN THE WESTERN SECTIONS.

* TIMING...SNOW WILL INCREASE IN AREAL COVERAGE AND INTENSITY BY
  LATE EVENING. THE SNOW WILL DIMINISH TOWARD MORNING.

* IMPACTS...UNTREATED ROADS WILL BECOME SNOW COVERED AND 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.

&&

$$

FRANK/WTB
2 follow-up statements
387 
WWUS41 KBOX 080342
WSWBOX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
1042 PM EST FRI JAN 7 2011

...ACCUMULATING SNOW OVERNIGHT...

CTZ002-003-MAZ008-009-081000-
/O.CON.KBOX.WS.W.0002.000000T0000Z-110108T1000Z/
HARTFORD CT-TOLLAND CT-WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...CHESTERFIELD...BLANDFORD
1042 PM EST FRI JAN 7 2011

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

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM EST SATURDAY.

* LOCATIONS...HARTFORD AND TOLLAND COUNTIES IN CONNECTICUT AS 
  WELL AS EXTREME WESTERN HAMPSHIRE AND WESTERN HAMPDEN 
  COUNTIES. 

* HAZARD TYPES...HEAVY SNOW AND POOR VISIBILITIES

* ACCUMULATIONS...6 TO 10 INCHES OF SNOW IN HARTFORD COUNTY WITH 4
  TO 8 INCHES ELSEWHERE.

* TIMING...MODERATE TO HEAVY SNOW WILL CONTINUE OVERNIGHT BEFORE
  DIMINISHING TOWARD MORNING. THE SNOW WILL COME TO AN END A BIT
  EARLIER ACROSS HARTFORD COUNTY.

* IMPACTS...UNTREATED ROADS WILL BE SNOW COVERED AND SLIPPERY 
  WITH POOR VISIBILITIES. 

* WINDS...NORTHEAST UP TO 5 MPH.

* TEMPERATURES...IN THE MID 20S.

* VISIBILITIES...1/2 TO 1/4 MILE AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

RIZ001>004-006-008-081000-
/O.EXA.KBOX.WW.Y.0001.000000T0000Z-110108T1000Z/
NORTHWEST PROVIDENCE RI-SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-
EASTERN KENT RI-WASHINGTON RI-BLOCK ISLAND RI-
INCLUDING THE CITIES OF...FOSTER...SMITHFIELD...PROVIDENCE...
WEST GREENWICH...WARWICK...NARRAGANSETT...WESTERLY...BLOCK ISLAND
1042 PM EST FRI JAN 7 2011

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

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

* LOCATIONS...WESTERN RHODE ISLAND.

* HAZARD TYPES...SNOW.

* ACCUMULATIONS...2 TO 4 INCHES OF SNOW.

* TIMING...SNOW WILL MOVE IN FROM THE WEST THROUGH 1 AM.

* IMPACTS...UNTREATED ROADS WILL BECOME SNOW COVERED AND SLIPPERY.

* WINDS...EAST AROUND 5 MPH.

* TEMPERATURES...IN THE UPPER 20S.

* VISIBILITIES...MAY BE BRIEFLY ONE HALF MILE OR LESS.

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.

&&

$$

MAZ002-081000-
/O.CON.KBOX.WW.Y.0001.000000T0000Z-110108T1000Z/
WESTERN FRANKLIN MA-
INCLUDING THE CITY OF...CHARLEMONT
1042 PM EST FRI JAN 7 2011

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

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

* LOCATIONS...EXTREME WESTERN FRANKLIN COUNTY IN MASSACHUSETTS.

* HAZARD TYPES...SNOW.

* ACCUMULATIONS...3 TO 6 INCHES OF SNOW.

* TIMING...SNOW WILL CONTINUE FOR MUCH OF THE NIGHT BEFORE 
  DIMINISHING TOWARD MORNING. 

* IMPACTS...UNTREATED ROADWAYS WILL BECOME SNOW COVERED AND 
  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.

&&

$$

CTZ004-MAZ003-004-010>012-026-081000-
/O.CON.KBOX.WW.Y.0001.000000T0000Z-110108T1000Z/
WINDHAM CT-EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-
EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA-SOUTHERN WORCESTER MA-
NORTHERN MIDDLESEX MA-
INCLUDING THE CITIES OF...PUTNAM...WILLIMANTIC...GREENFIELD...
ORANGE...BARRE...FITCHBURG...AMHERST...NORTHAMPTON...
SPRINGFIELD...MILFORD...WORCESTER...AYER
1042 PM EST FRI JAN 7 2011

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

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

* LOCATIONS...WEST CENTRAL AND CENTRAL MASSACHUSETTS AS WELL AS 
  WINDHAM COUNTY IN CONNECTICUT. 

* HAZARD TYPES...SNOW

* ACCUMULATIONS...2 TO 5 INCHES OF SNOW.

* TIMING...SNOW WILL INCREASE IN AREAL COVERAGE AND INTENSITY
  AFTER MIDNIGHT. THE SNOW WILL DIMINISH TOWARD MORNING.

* IMPACTS...UNTREATED ROADS WILL BECOME SNOW COVERED AND 
  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.

&&

$$

FRANK
091 
WWUS41 KBOX 080836
WSWBOX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
336 AM EST SAT JAN 8 2011



CTZ002-003-MAZ008-009-080945-
/O.CAN.KBOX.WS.W.0002.000000T0000Z-110108T1000Z/
HARTFORD CT-TOLLAND CT-WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...CHESTERFIELD...BLANDFORD
336 AM EST SAT JAN 8 2011

...WINTER STORM WARNING IS CANCELLED...

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

THE HEAVY SNOW HAS COME TO AN END EARLY THIS MORNING.
HOWEVER...OCCASIONAL SNOW SHOWERS MAY BRING AND ADDITIONAL
INCH OR SO EARLY THIS MORNING. UNTREATED ROADS WILL BE SNOW
COVERED AND SLIPPERY SO MOTORISTS ARE URGED TO DRIVE WITH CAUTION.

$$

CTZ004-MAZ002>004-010>012-026-RIZ001>004-006-008-080945-
/O.CAN.KBOX.WW.Y.0001.000000T0000Z-110108T1000Z/
WINDHAM CT-WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-
NORTHERN WORCESTER MA-EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA-
SOUTHERN WORCESTER MA-NORTHERN MIDDLESEX MA-
NORTHWEST PROVIDENCE RI-SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-
EASTERN KENT RI-WASHINGTON RI-BLOCK ISLAND RI-
INCLUDING THE CITIES OF...PUTNAM...WILLIMANTIC...CHARLEMONT...
GREENFIELD...ORANGE...BARRE...FITCHBURG...AMHERST...NORTHAMPTON...
SPRINGFIELD...MILFORD...WORCESTER...AYER...FOSTER...SMITHFIELD...
PROVIDENCE...WEST GREENWICH...WARWICK...NARRAGANSETT...WESTERLY...
BLOCK ISLAND
336 AM EST SAT JAN 8 2011

...WINTER WEATHER ADVISORY IS CANCELLED...

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

NUMEROUS SNOW SHOWERS THIS MORNING MAY RESULT IN AN ADDITIONAL
INCH OR SO ACROSS THE REGION. HOWEVER...THE INTENSITY OF THE SNOW
WAS BEGINNING TO DIMINISH ACROSS THE REGION SO THE ADVISORY IS
BEING CANCELLED. NONETHELESS...MOTORISTS SHOULD BE PREPARED FOR
UNTREATED ROADS TO BE SNOW COVERED AND SLIPPERY THIS MORNING


$$

FRANK

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 8, 4:19 AM ESTGale WarningBOX36 hr
Jan 8, 4:19 AM ESTSmall Craft AdvisoryBOX67 hr
Jan 8, 4:25 AM ESTWinter Weather AdvisoryBOXBarnstable, Bristol, Dukes, Hampden, Nantucket, Norfolk and 2 more21 hr
Jan 8, 3:34 PM ESTWinter Storm WarningBOXBarnstable, Bristol, Dukes, Nantucket, Plymouth10 hr

Nearby

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

Sources

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