Alert archive / Massachusetts / Winter Weather Advisories in 2012

Winter Weather Advisory 9, NWS Boston/Norton, MA

February 23, 20125 counties in Massachusetts; Cheshire County, Hillsborough County, New Hampshire

NWS Boston/Norton, MA issued this winter weather advisory at Feb 23, 2012, 4:16 PM EST for 5 counties in Massachusetts; Cheshire County, Hillsborough County, New Hampshire. It took effect at Feb 24, 2012, 1:00 AM EST. It was in force for 20 hr.

The area

The counties it named.

The facts

Issued
Feb 23, 2012, 4:16 PM EST (21:16 UTC)
In effect from
Feb 24, 2012, 1:00 AM EST
Expired
Feb 24, 2012, 9:09 PM EST
In force
20 hr
Issued by
NWS Boston/Norton, MA

Counties Franklin County, MA, Hampden County, MA, Hampshire County, MA, Middlesex County, MA, Worcester County, MA, Cheshire County, NH, Hillsborough County, NH

The radar

The Boston radar (KBOX), 106 km from the middle of the area, began a volume at 21:18 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 12:00Z, 9.3 hours before the alert went out and 137 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 12:00Z on 2012-02-23Temperature 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, Albany, NY at 12:00Z on 2012-02-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 square meters per square second.1939587897Sfc1 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
714 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
87 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.

900 
WWUS41 KBOX 232116
WSWBOX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
416 PM EST THU FEB 23 2012

...ACCUMULATING SNOW IS EXPECTED LATE TONIGHT AND FRIDAY...

.LOW PRESSURE MOVING UP THE OHIO VALLEY WILL SPREAD PRECIPITATION
INTO SOUTHERN NEW ENGLAND LATE TONIGHT. THE PRECIPITATION WILL
QUICKLY CHANGE TO RAIN ALONG THE COASTAL PLAIN...BUT WILL REMAIN
AS SNOW THROUGH THE MORNING IN SOUTHERN NEW HAMPSHIRE...MUCH OF
WESTERN AND CENTRAL MASSACHUSETTS...AND PARTS OF NORTHERN
CONNECTICUT.  

MAZ002>004-008>010-026-NHZ011-015-240530-
/O.NEW.KBOX.WW.Y.0009.120224T0600Z-120225T0000Z/
WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-
WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-
NORTHERN MIDDLESEX MA-CHESHIRE NH-
WESTERN AND CENTRAL HILLSBOROUGH NH-
INCLUDING THE CITIES OF...CHARLEMONT...GREENFIELD...ORANGE...
BARRE...FITCHBURG...CHESTERFIELD...BLANDFORD...AMHERST...
NORTHAMPTON...AYER...JAFFREY...KEENE...PETERBOROUGH...WEARE
416 PM EST THU FEB 23 2012

...WINTER WEATHER ADVISORY IN EFFECT FROM 1 AM TO 7 PM EST
FRIDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A WINTER
WEATHER ADVISORY FOR SOUTHWEST NEW HAMPSHIRE AND PARTS OF WESTERN
AND CENTRAL MASSACHUSETTS...WHICH IS IN EFFECT FROM 1 AM TO 7 PM
EST FRIDAY.

* LOCATIONS...CHESHIRE COUNTY AND WESTERN HILLSBOROUGH COUNTY IN
  NEW HAMPSHIRE...FRANKLIN AND HAMPSHIRE COUNTIES IN
  MASSACHUSETTS...NORTHERN WORCESTER COUNTY AND WESTERN HAMPDEN
  COUNTY IN MASSACHUSETTS.

* HAZARD TYPES...SNOW.  SNOW MAY MIX WITH SLEET AT TIMES.

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

* TIMING...SNOW WILL START IN THE CONNECTICUT VALLEY BETWEEN 2 AM
  AND 4 AM...AND END BETWEEN NOON AND 4 PM. SNOW WILL BEGIN IN
  SOUTHWEST NEW HAMPSHIRE BETWEEN 4 AM AND 6 AM...AND END BETWEEN
  4 PM AND 6 PM.

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

* WINDS...EAST 5 TO 10 MPH.

* TEMPERATURES...IN THE LOWER 30S.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

WTB
8 follow-up statements
671 
WWUS41 KBOX 232128
WSWBOX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
428 PM EST THU FEB 23 2012

...ACCUMULATING SNOW IS EXPECTED LATE TONIGHT AND FRIDAY...

.LOW PRESSURE MOVING UP THE OHIO VALLEY WILL SPREAD PRECIPITATION
INTO SOUTHERN NEW ENGLAND LATE TONIGHT. THE PRECIPITATION WILL
QUICKLY CHANGE TO RAIN ALONG THE COASTAL PLAIN...BUT WILL REMAIN
AS SNOW THROUGH THE MORNING IN SOUTHERN NEW HAMPSHIRE...MUCH OF
WESTERN AND CENTRAL MASSACHUSETTS...AND PARTS OF NORTHERN
CONNECTICUT.

MAZ002-NHZ011-015-240530-
/O.CON.KBOX.WW.Y.0009.120224T0600Z-120225T0000Z/
WESTERN FRANKLIN MA-CHESHIRE NH-
WESTERN AND CENTRAL HILLSBOROUGH NH-
INCLUDING THE CITIES OF...CHARLEMONT...JAFFREY...KEENE...
PETERBOROUGH...WEARE
428 PM EST THU FEB 23 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 AM TO 7 PM
EST FRIDAY...

* LOCATIONS...CHESHIRE COUNTY AND WESTERN HILLSBOROUGH COUNTY IN
  NEW HAMPSHIRE...WESTERN FRANKLIN COUNTY IN MASSACHUSETTS.

* HAZARD TYPES...SNOW. SNOW MAY MIX WITH SLEET AT TIMES. 

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

* TIMING...SNOW WILL START BETWEEN 4 AND 6 AM AND END BETWEEN 4
  AND 6 PM. 

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

* WINDS...EAST 5 TO 10 MPH.

* TEMPERATURES...AROUND 30.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MAZ003-004-008>010-026-240530-
/O.CON.KBOX.WW.Y.0009.120224T0600Z-120225T0000Z/
EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-WESTERN HAMPSHIRE MA-
WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-NORTHERN MIDDLESEX MA-
INCLUDING THE CITIES OF...GREENFIELD...ORANGE...BARRE...
FITCHBURG...CHESTERFIELD...BLANDFORD...AMHERST...NORTHAMPTON...
AYER
428 PM EST THU FEB 23 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 AM TO 7 PM
EST FRIDAY...

* LOCATIONS...EASTERN FRANKLIN COUNTY...HAMPSHIRE COUNTY...WESTERN
  HAMPDEN COUNTY...NORTHERN WORCESTER COUNTY IN MASSACHUSETTS.

* HAZARD TYPES...SNOW. SNOW MAY MIX WITH SLEET AT TIMES. 

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

* TIMING...SNOW WILL START IN THE CONNECTICUT VALLEY BETWEEN 2 AM
  AND 4 AM...AND END BETWEEN NOON AND 4 PM.

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

* WINDS...EAST 5 TO 10 MPH.

* TEMPERATURES...IN THE LOWER 30S.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
477 
WWUS41 KBOX 240529
WSWBOX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
1229 AM EST FRI FEB 24 2012

...ACCUMULATING SNOW IS EXPECTED LATE TONIGHT AND FRIDAY...

.LOW PRESSURE MOVING UP THE OHIO VALLEY WILL SPREAD PRECIPITATION
INTO SOUTHERN NEW ENGLAND LATE TONIGHT. THE PRECIPITATION WILL
QUICKLY CHANGE TO RAIN ALONG THE COASTAL PLAIN...BUT WILL REMAIN
AS SNOW THROUGH THE MORNING IN SOUTHERN NEW HAMPSHIRE...MUCH OF
WESTERN AND CENTRAL MASSACHUSETTS...AND PARTS OF NORTHERN
CONNECTICUT.

MAZ002-NHZ011-015-241330-
/O.CON.KBOX.WW.Y.0009.120224T0600Z-120225T0000Z/
WESTERN FRANKLIN MA-CHESHIRE NH-
WESTERN AND CENTRAL HILLSBOROUGH NH-
INCLUDING THE CITIES OF...CHARLEMONT...JAFFREY...KEENE...
PETERBOROUGH...WEARE
1229 AM EST FRI FEB 24 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS
EVENING...

* LOCATIONS...CHESHIRE COUNTY AND WESTERN HILLSBOROUGH COUNTY IN 
  NEW HAMPSHIRE...WESTERN FRANKLIN COUNTY IN MASSACHUSETTS. 

* HAZARD TYPES...SNOW. SNOW MAY MIX WITH SLEET AT TIMES.

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

* TIMING...SNOW WILL START BETWEEN 4 AND 6 AM AND END BETWEEN 4 
  AND 6 PM. 

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

* WINDS...EAST 5 TO 10 MPH.

* TEMPERATURES...IN THE LOWER 30S.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MAZ003-004-008>010-026-241330-
/O.CON.KBOX.WW.Y.0009.120224T0600Z-120225T0000Z/
EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-WESTERN HAMPSHIRE MA-
WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-NORTHERN MIDDLESEX MA-
INCLUDING THE CITIES OF...GREENFIELD...ORANGE...BARRE...
FITCHBURG...CHESTERFIELD...BLANDFORD...AMHERST...NORTHAMPTON...
AYER
1229 AM EST FRI FEB 24 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS
EVENING...

* LOCATIONS...EASTERN FRANKLIN COUNTY...HAMPSHIRE COUNTY... 
  WESTERN HAMPDEN COUNTY...NORTHERN WORCESTER COUNTY IN 
  MASSACHUSETTS. 

* HAZARD TYPES...SNOW. SNOW MAY MIX WITH SLEET AT TIMES.

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

* TIMING...SNOW WILL START IN THE CONNECTICUT VALLEY BETWEEN 2 
  AM AND 4 AM...AND END BETWEEN NOON AND 4 PM. 

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

* WINDS...EAST 5 TO 10 MPH.

* TEMPERATURES...IN THE LOWER 30S.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
005 
WWUS41 KBOX 240936
WSWBOX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
436 AM EST FRI FEB 24 2012

...ACCUMULATING SNOW IS EXPECTED LATE TONIGHT AND FRIDAY...

.A WINTRY MIX OF SNOW AND SLEET IS EXPECTED TO SPREAD ACROSS
NORTHWESTERN MASSACHUSETTS AND SOUTHERN NEW HAMPSHIRE THIS MORNING
AND CONTINUE INTO TONIGHT.

MAZ003-004-008>010-026-241045-
/O.CAN.KBOX.WW.Y.0009.000000T0000Z-120225T0000Z/
EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-WESTERN HAMPSHIRE MA-
WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-NORTHERN MIDDLESEX MA-
INCLUDING THE CITIES OF...GREENFIELD...ORANGE...BARRE...
FITCHBURG...CHESTERFIELD...BLANDFORD...AMHERST...NORTHAMPTON...
AYER
436 AM EST FRI FEB 24 2012

...WINTER WEATHER ADVISORY IS CANCELLED...

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

CHANGES IN THE FORECAST HAVE RESULTED IN SNOWFALL AMOUNT TOTALS TO
REMAIN BELOW ADVISORY CRITERIA. SNOWFALL AMOUNTS OF 1 TO 2 INCHES
ARE STILL EXPECTED FOR THE PREVIOUSLY ADVISED AREA ACROSS CENTRAL
MASSACHUSETTS.

$$

MAZ002-NHZ011-015-241745-
/O.CON.KBOX.WW.Y.0009.000000T0000Z-120225T0000Z/
WESTERN FRANKLIN MA-CHESHIRE NH-
WESTERN AND CENTRAL HILLSBOROUGH NH-
INCLUDING THE CITIES OF...CHARLEMONT...JAFFREY...KEENE...
PETERBOROUGH...WEARE
436 AM EST FRI FEB 24 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS
EVENING...

* LOCATIONS...CHESHIRE COUNTY AND WESTERN HILLSBOROUGH COUNTY IN 
  NEW HAMPSHIRE...WESTERN FRANKLIN COUNTY IN MASSACHUSETTS. 

* HAZARD TYPES...SNOW. SNOW MAY MIX WITH SLEET AT TIMES.

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

* TIMING...SNOW WILL BEGIN AROUND 6 AM THIS MORNING AND CONTINUE
  INTO THE EVENING HOURS.

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

* WINDS...EAST 5 TO 10 MPH.

* TEMPERATURES...IN THE LOWER 30S.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
401 
WWUS41 KBOX 241343
WSWBOX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
843 AM EST FRI FEB 24 2012

...ACCUMULATING SNOW IS EXPECTED TO LAST THROUGH THIS EVENING...

.A WINTRY MIX OF SNOW AND SLEET IS EXPECTED TO SPREAD INTO SOUTHERN
NEW HAMPSHIRE THIS MORNING AND CONTINUE INTO TONIGHT.

MAZ002-241445-
/O.CAN.KBOX.WW.Y.0009.000000T0000Z-120225T0000Z/
WESTERN FRANKLIN MA-
INCLUDING THE CITY OF...CHARLEMONT
843 AM EST FRI FEB 24 2012

...WINTER WEATHER ADVISORY IS CANCELLED...

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

$$

NHZ011-015-242145-
/O.CON.KBOX.WW.Y.0009.000000T0000Z-120225T0000Z/
CHESHIRE NH-WESTERN AND CENTRAL HILLSBOROUGH NH-
INCLUDING THE CITIES OF...JAFFREY...KEENE...PETERBOROUGH...WEARE
843 AM EST FRI FEB 24 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS
EVENING...

* LOCATIONS...CHESHIRE COUNTY AND WESTERN HILLSBOROUGH COUNTY IN 
  NEW HAMPSHIRE...WESTERN FRANKLIN COUNTY IN MASSACHUSETTS. 

* HAZARD TYPES...SNOW. SNOW MAY MIX WITH SLEET AT TIMES.

* ACCUMULATIONS...UP TO 1 INCH OF SNOW.

* TIMING...SNOW WILL BEGIN AROUND 6 AM THIS MORNING AND CONTINUE 
  INTO THE EVENING HOURS. 

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

* TEMPERATURES...IN THE MID 30S.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

DUNTEN
008 
WWUS41 KBOX 241602
WSWBOX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
1102 AM EST FRI FEB 24 2012

...ACCUMULATING SNOW IS EXPECTED ACROSS THE HIGHER TERRAIN OF
SOUTHERN NEW HAMPSHIRE...

.A WINTRY MIX OF SNOW AND SLEET IS EXPECTED TO SPREAD INTO
SOUTHERN NEW HAMPSHIRE THIS AFTERNOON AND CONTINUE THROUGH THE
OVERNIGHT HOURS.

NHZ011-015-250000-
/O.CON.KBOX.WW.Y.0009.000000T0000Z-120225T0000Z/
CHESHIRE NH-WESTERN AND CENTRAL HILLSBOROUGH NH-
INCLUDING THE CITIES OF...JAFFREY...KEENE...PETERBOROUGH...WEARE
1102 AM EST FRI FEB 24 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS
EVENING...

* LOCATIONS...CHESHIRE COUNTY AND WESTERN HILLSBOROUGH COUNTY IN
  NEW HAMPSHIRE.

* HAZARD TYPES...SNOW. SNOW MAY MIX WITH SLEET AT TIMES.

* ACCUMULATIONS...UP TO AN INCH OF SNOW. WHILE HIGH TERRAINS REGION MAY
  SEE 3 TO 4 INCHES OF SNOW. A TRACE OF ICE CANNOT BE RULED OUT.

* TIMING...SNOW WILL BEGIN THIS AFTERNOON AND CONTINUE THROUGH THE
  OVERNIGHT HOURS.

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

* TEMPERATURES...IN THE MID 30S.

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.

&&

$$

DUNTEN
012 
WWUS41 KBOX 242100
WSWBOX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
400 PM EST FRI FEB 24 2012

...SNOW AND SLEET IS EXPECTED ACROSS THE HIGHER TERRAIN OF SOUTHERN
NEW HAMPSHIRE AND WESTERN MASSACHUSETTS THIS EVENING AND TONIGHT...

.AN AREA OF LOW PRESSURE REDEVELOPING ALONG THE COAST WILL SPREAD
SNOW AND SLEET INTO PARTS OF WESTERN MASSACHUSETTS AND SOUTHERN
NEW HAMPSHIRE.

MAZ002-008-009-250500-
/O.EXB.KBOX.WW.Y.0009.000000T0000Z-120225T0600Z/
WESTERN FRANKLIN MA-WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-
INCLUDING THE CITIES OF...CHARLEMONT...CHESTERFIELD...BLANDFORD
400 PM EST FRI FEB 24 2012

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 1 AM EST SATURDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A WINTER
WEATHER ADVISORY FOR THE EASTERN SLOPES OF THE BERKSHIRES...WHICH
IS IN EFFECT UNTIL 1 AM EST SATURDAY.

* LOCATIONS...IN MASSACHUSETTS WESTERN FRANKLIN COUNTY...WESTERN
  HAMPSHIRE COUNTY...WESTERN HAMPDEN COUNTY.

* HAZARD TYPES...SNOW. SNOW MAY MIX WITH SLEET AT TIMES.

* ACCUMULATIONS...UP TO 1 INCH OF SNOW.

* TIMING...SNOW THIS EVENING WILL CONTINUE THROUGH THE OVERNIGHT
  HOURS.

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

* WINDS...SOUTHEAST 10 TO 15 MPH WITH GUSTS UP TO 20 MPH.

* TEMPERATURES...IN THE LOWER 30S.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

NHZ011-015-250500-
/O.EXT.KBOX.WW.Y.0009.000000T0000Z-120225T0600Z/
CHESHIRE NH-WESTERN AND CENTRAL HILLSBOROUGH NH-
INCLUDING THE CITIES OF...JAFFREY...KEENE...PETERBOROUGH...WEARE
400 PM EST FRI FEB 24 2012

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 1 AM EST
SATURDAY...

* LOCATIONS...CHESHIRE COUNTY AND WESTERN HILLSBOROUGH COUNTY IN 
  NEW HAMPSHIRE. 

* HAZARD TYPES...SNOW. SNOW MAY MIX WITH SLEET AT TIMES.

* ACCUMULATIONS...UP TO 1 INCH OF SNOW.

* TIMING...SNOW THIS EVENING WILL CONTINUE THROUGH THE OVERNIGHT
  HOURS.

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

* TEMPERATURES...IN THE LOWER 30S.

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.

&&

$$
720 
WWUS41 KBOX 242124 CCA
WSWBOX

URGENT - WINTER WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE TAUNTON MA
419 PM EST FRI FEB 24 2012

...SNOW AND SLEET IS EXPECTED ACROSS THE HIGHER TERRAIN OF SOUTHERN
NEW HAMPSHIRE AND WESTERN MASSACHUSETTS THIS EVENING AND TONIGHT...

.AN AREA OF LOW PRESSURE REDEVELOPING ALONG THE COAST WILL SPREAD
SNOW AND SLEET INTO PARTS OF WESTERN MASSACHUSETTS AND SOUTHERN
NEW HAMPSHIRE.

MAZ002-008-009-250530-
/O.COR.KBOX.WW.Y.0009.000000T0000Z-120225T0600Z/
WESTERN FRANKLIN MA-WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-
INCLUDING THE CITIES OF...CHARLEMONT...CHESTERFIELD...BLANDFORD
419 PM EST FRI FEB 24 2012

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 1 AM EST SATURDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A WINTER
WEATHER ADVISORY FOR THE EASTERN SLOPES OF THE BERKSHIRES...WHICH
IS IN EFFECT UNTIL 1 AM EST SATURDAY.

* LOCATIONS...IN MASSACHUSETTS WESTERN FRANKLIN COUNTY...WESTERN
  HAMPSHIRE COUNTY...WESTERN HAMPDEN COUNTY.

* HAZARD TYPES...SNOW...MIXED WITH SLEET OR FREEZING RAIN AT TIMES.

* ACCUMULATIONS...UP TO 1 INCH OF SNOW.

* TIMING...PRECIPITATION THIS EVENING WILL CONTINUE THROUGH THE
  OVERNIGHT HOURS.

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

* WINDS...SOUTHEAST 10 TO 15 MPH WITH GUSTS UP TO 20 MPH.

* TEMPERATURES...IN THE LOWER 30S.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

NHZ011-015-250530-
/O.COR.KBOX.WW.Y.0009.000000T0000Z-120225T0600Z/
CHESHIRE NH-WESTERN AND CENTRAL HILLSBOROUGH NH-
INCLUDING THE CITIES OF...JAFFREY...KEENE...PETERBOROUGH...WEARE
419 PM EST FRI FEB 24 2012

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 1 AM EST
SATURDAY...

* LOCATIONS...CHESHIRE COUNTY AND WESTERN HILLSBOROUGH COUNTY IN 
  NEW HAMPSHIRE. 

* HAZARD TYPES...SNOW...MIXED WITH SLEET OR FREEZING RAIN AT TIMES.

* ACCUMULATIONS...UP TO 1 INCH OF SNOW...EXCEPT 2 TO 4 INCHES IN
  NORTHERN CHESHIRE COUNTY AND NORTHWEST HILLSBOROUGH COUNTY.

* TIMING...PRECIPITATION THIS EVENING WILL CONTINUE THROUGH THE
  OVERNIGHT HOURS.

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

* TEMPERATURES...IN THE LOWER 30S.

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.

&&

$$
388 
WWUS41 KBOX 250209
WSWBOX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
909 PM EST FRI FEB 24 2012


MAZ002-008-009-NHZ011-015-250315-
/O.CAN.KBOX.WW.Y.0009.000000T0000Z-120225T0600Z/
WESTERN FRANKLIN MA-WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-
CHESHIRE NH-WESTERN AND CENTRAL HILLSBOROUGH NH-
INCLUDING THE CITIES OF...CHARLEMONT...CHESTERFIELD...BLANDFORD...
JAFFREY...KEENE...PETERBOROUGH...WEARE
909 PM EST FRI FEB 24 2012

...WINTER WEATHER ADVISORY IS CANCELLED...

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

PER LATEST OBSERVATIONS FROM THE NATIONAL WEATHER SERVICE DOPPLER
RADAR...MOST OF THE HEAVY PRECIPITATION HAS MOVED EAST OF THE
PREVIOUSLY ADVISED AREA. WHILE A WINTRY MIX OF PRECIPITATION
PRIMARILY IN THE FORM OF SNOW AND PERHAPS A LITTLE SLEET IS TO BE
EXPECTED INTO THE MORNING HOURS FOR THE HIGHER ELEVATIONS ACROSS
WESTERN HAMPDEN...HAMPSHIRE...AND FRANKLIN COUNTIES IN MASSACHUSETTS...
INCLUDING WESTERN CHESHIRE COUNTY IN NEW HAMPSHIRE...ACCUMULATIONS
WILL BE VERY LIGHT AND LESS THAN TWO INCHES.

$$

SIPPRELL

What forecasters said that day

The local office's own words before this winter weather advisory 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 weather advisory went out at Feb 23, 1:18 PM EST, 2 hours 58 minutes earlier.

Area forecast discussion, Feb 23, 1:18 PM EST, 2 hours 58 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAUNTON MA
118 PM EST THU FEB 23 2012

.SYNOPSIS...
HIGH PRESSURE WILL BUILD INTO THE REGION SHUNTING MOST OF THE
DISTURBED WEATHER OUT OF OUR REGION BY MIDDAY. A SECOND LOW PRESSURE
WILL BRING SNOW CHANGING OVER TO RAIN AFTER MIDNIGHT FRIDAY
THROUGH FRIDAY AFTERNOON. GUSTY WINDS ARE ANTICIPATED FOR FRIDAY
NIGHT AND SATURDAY AS THIS STORM EXITS. HIGH PRESSURE KEEPS DRY
CONDITIONS MUCH OF THE EARLY WEEK. A COLD FRONT SWINGS THROUGH
NEW ENGLAND MONDAY NIGHT.

&&

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

GUSTY CONDITIONS AND WARMING TEMPS WILL CONTINUE TO OCCUR OVER THE
NEXT FEW HOURS ACROSS THE CWA AS SHORTWAVE MOVES OFFSHORE. A CU
FIELD HAS STARTED TO DEVELOP ACROSS THE REGION AND WITH IT SOME
SHOWERS. GOOD AMOUNT OF INSTABILITY ACROSS THE SOUTH
SHORE...HOWEVER BELIEVE CONDITIONS ARE TO MINIMAL FOR
THUNDERSTORMS BUT CANNOT RULE IT OUT AT THIS TIME. HAVE RECEIVED
SOME REPORTS OF VERY SMALL HAIL IN HIGHER STORMS THANKS TO LOW
FREEZING LEVELS. CLOUDS WILL CONTINUE TO PERSIST ACROSS THE
NORTHERN HALF OF THE AREA AND HAVE UPDATED GRIDS TO ACCOUNT FOR
THIS. MAIN BULK OF THE FORECAST IS ON TRACK AND HAVE TWEAKED GRIDS
TO ACCOUNT FOR CURRENT TRENDS.

&&

.SHORT TERM /6 PM THIS EVENING THROUGH 6 PM FRIDAY/...
TONIGHT INTO FRIDAY...

A CHALLENGING SYSTEM. IN BREVITY...A NEG TILTED TROF AND ATTENDANT
SFC LOW WILL SLIDE NEWD OUT OF THE MID-MS VLY INTO THE ERN GRT LKS
RGN...IMPACTING THE AREA BY MIDNIGHT FRIDAY. DIVERGENCE ALOFT AND
ENHANCED ASCENT THRU THE ATMOS COLUMN /NOTABLY WITHIN BETTER
SNOW-GROWTH RGNS ALOFT/ WILL PROMOTE AN OVERRUNNING SITUATION OF THE
WARM/MOIST CONVEYOR BELT NWD INTO SRN NEW ENGLAND ALONG AN E TO W
ORIENTED SFC WARM FRNT.

NOW FOR THE NITTY GRITTY. BLOCKING ACROSS THE E ATLANTIC LENDS ME TO
BELIEVE A SLOWER SOLN IS WARRANTED AS STORMS WILL BOTTLE-NECK ACROSS
THE RGN. IN EVALUATING LLVL TEMP PROFILES...THE PAST FEW DAYS HAVE
BEEN VERY WARM AND ABOVE AVG FOR THIS TIME OF YR. AM NOT CONFIDENT
THAT A COLD SOLN IS TO BE EXPECTED...IT HAS BEEN A MILD WINTER. THAT
BEING SAID...AM NOT IN FAVOR OF LLVL PROFILES ADVERTISED BY THE NAM.
HAVE LEANED MORESO TOWARDS ECMWF/CANADIAN SOLNS WITH WARMER AIR AT
H925-85 PUSHING NWD INTO THE INTERIOR MORE EFFECTIVELY.

THE BIGGEST FOCUS HAS BEEN ON SFC TEMPS AND ANTICIPATED PRECIP
AMNTS. FROM THE DISCUSSION ABOVE...THE BETTER PERIOD OF SNOW
CHANGING OVER TO A WINTRY MIX BEFORE BECOMING PLAIN RAIN APPEARS TO
BE SHORTLY AFTER MIDNIGHT FRIDAY INTO THE MORNING COMMUTE. MOST
LOCALES SHOULD CHANGE OVER COMPLETELY TO RAIN WITH THE EXCEPTION OF
S NH WHICH MAY REMAIN A WINTRY MIX BY MIDDAY INTO THE EARLY AFTN.
FIRST GUESS SNOWFALL TOTALS FOR THIS EVENT PUT ROUGHLY 1 TO 3 INCHES
FOR S NH AND HIGHER TERRAIN OF N AND W MA. THIS IS LIKELY TO CHANGE
AS FCST SOLNS COME INTO BETTER AGREEMENT. WHILE SNOW IS EXPECTED
ALONG AND N OF THE CT/RI-MA BORDER AWAY FROM THE IMMEDIATE
COASTLINES AND ACROSS THE INTERIOR...AFOREMENTIONED AREAS OF ACCUM
HAVE THE BETTER CHC OF LONGER DURATION WHILE ALL OTHER AREAS WILL
SEE JUST A QUICK BOUT OF SNOW BEFORE CHANGING OVER RATHER QUICKLY.

AS FOR TEMPS...HAVE TO REALLY EVALUATE SFC DEWPOINTS FROM THE
SUBSEQUENT PRECEDING RIDGE. LIKELY DEWPOINT DEPRESSIONS WILL BE
LARGE WITH ONSET. FIGURING EVAPORATIVE COOLING...HAVE UTILIZED
DEWPOINTS ALONG WITH ANTICIPATED SFC TEMPS TO FACTOR WETBULB TEMPS.
A 2:1 T/TD BLEND SUFFICED WELL IN GETTING AN INITIAL HANDLE ON
EXPECTED SFC TEMPS. LOOKING AT UPR 20S FOR S NH WITH LOW TO MID 30S
FOR LOWS N OF THE CT/RI-MA BORDER...WITH UPR 30S ALONG THE IMMEDIATE
SHORES AS ELY WINDS WILL ENHANCE WITH THE APPROACHING SYS...TURNING
SLY AS THE STORM LIFTS THRU NEW ENGLAND...HIGH TEMPS ON FRIDAY WARM
AROUND THE MID 40S...WITH UPR 30S FOR S NH AND N/W MA. COULD SEE
SOME BLUSTERY SLY WINDS AS THE STORM DEEPENS WITH ITS EVENTUAL EXIT.

AT THIS PRESENT TIME THE EVENT APPEARS MARGINAL AND STILL CLOAKED IN
A FAIR AMNT OF UNCERTAINTY. WILL FORGO ANY ISSUANCE OF SHORT-FUSED
WINTER WEATHER PRODUCTS AND FOCUS ON HITTING THE HAZARDS IN THE HWO.
A FIRST-GUESS OF SNOW ACCUMS DOES SHOW LIGHT ACCUMS /AS MENTIONED
ABOVE/ ACROSS S NH INTO N/W MA. BUT ADVISORY LEVEL SNOW ACCUMS MAY
REMAIN BELOW THE 3 INCH CRITERIA FOR MA...AND BELOW THE 4 INCH
CRITERIA FOR S NH.

&&

.LONG TERM /FRIDAY NIGHT THROUGH WEDNESDAY/...
HIGHLIGHTS...

* MORE SEASONABLE TEMPERATURES EXPECTED THIS WEEKEND...FOLLOWED BY A
SLIGHT WARMUP EARLY NEXT WEEK
* A LOW PRESSURE PASSES BY TO OUR NORTH EARLY NEXT WEEK
* ANOTHER LOW PRESSURE SHOULD ARRIVE DURING THE MIDDLE OF NEXT WEEK
WITH WINTRY PRECIPITATION POSSIBLE

MODEL PREFERENCES...
TWO MAIN MODEL CAMPS WITH THIS PORTION OF THE FORECAST.  NCEP MODELS
ARE FASTER TO PUSH A LOW PRESSURE OUT TO SEA AND INITIATE SECONDARY
CYCLOGENESIS OVER THE GULF OF MAINE.  INTERNATIONAL MODELS ARE
SLOWER AND MAINTAIN AN OPEN SURFACE TROUGH.  DO NOT YET SEE A POTENT
ENOUGH SHORTWAVE UPSTREAM IN THE SATELLITE DATA WHICH WOULD INCREASE
CONFIDENCE IN THE NCEP MODELS WITH THE SECONDARY CYCLOGENESIS.  AS
SUCH..FAVORED THE INTERNATIONAL CONSENSUS SOLUTION FRIDAY NIGHT INTO
SATURDAY.  BOTH THE NCEP AND INTERNATIONAL MODELS ARE IN GOOD
AGREEMENT WITH MOST OF THE SYNOPTIC FEATURES SATURDAY NIGHT THROUGH
TUESDAY.  MORE SIGNIFICANT TIMING DIFFERENCES DEVELOP WITH A MORE
SIGNIFICANT LOW PRESSURE WHICH COULD IMPACT OUR REGION DURING THE
MIDDLE OF NEXT WEEK.  AT THIS TIME...THINK A BLEND OF THE AVAILABLE
GUIDANCE WILL PROVIDE A REASONABLE FORECAST.

FRIDAY NIGHT AND SATURDAY...
A LOW PRESSURE WILL MOVE THROUGH THE GULF OF MAINE INTO THE
MARITIMES FRIDAY NIGHT INTO SATURDAY.  THE TIMING IS STILL A LITTLE
IN DOUBT.  DESPITE THE LOW PRESSURE MOVING OFFSHORE...STILL
EXPECTING SCATTERED SHOWERS DURING FRIDAY EVENING WITH STRONG
CYCLONIC CURVATURE PERSISTING.  LOW TEMPERATURES SHOULD STILL BE
ABOVE NORMAL DURING THIS PERIOD.

SATURDAY NIGHT THROUGH SUNDAY NIGHT...
HIGH PRESSURE DOMINATES THIS PORTION OF THE FORECAST.  MORE
SEASONABLE TEMPERATURES RETURN TO SOUTHERN NEW ENGLAND.  THE COLDEST
NIGHT LOOKS TO BE SUNDAY NIGHT WITH THE CORE OF THIS HIGH PRESSURE
DIRECTLY OVER OUR REGION.

MONDAY AND MONDAY NIGHT...
EXPECTING A LOW PRESSURE TO MOVE EAST FROM THE GREAT LAKES THROUGH
NORTHERN NEW ENGLAND.  THIS WILL PLACE OUR REGION IN THE WARM SECTOR
OF THIS STORM.  DEPENDING ON THE EXACT TIMING OF THE COLD FRONT
ASSOCIATE WITH THIS LOW PRESSURE...WE COULD SEE A MIX OF SNOW AND/OR
RAIN SHOWERS.

TUESDAY AND TUESDAY NIGHT...
HIGH PRESSURE CURRENTLY EXPECTED TO BRIEFLY MOVE THROUGH OUR
REGION.

WEDNESDAY...
ANOTHER LOW PRESSURE SHOULD APPROACH FROM THE WEST.  THE EXACT
TIMING IS UNCERTAIN.

&&

.AVIATION /18Z THURSDAY THROUGH TUESDAY/...
FORECASTER CONFIDENCE LEVELS...
  LOW...LESS THAN 30 PERCENT
  MODERATE...30 PERCENT TO 60 PERCENT
  HIGH...GREATER THAN 60 PERCENT

BEFORE 00Z...
HIGH CONFIDENCE IN TAF THROUGH 00Z. EXPECT VFR CONDITIONS TO
DOMINATE. SATELLITE IMAGERY SHOWING GOOD CU FIELD WHICH MAY HAVE
VIRGA ASSOCIATED WITH IT BUT OTHERWISE ALL TERMINALS SHOULD BE
DRY. ALTHOUGH...SOME MVFR CIGS WILL STREAM ACROSS THE NH SITES OVER
THE NEXT FEW HOURS.

TONIGHT INTO FRIDAY...
MODERATE CONFIDENCE IN TAF. PRECIPITATION CHANCES WILL INCREASE
ESP AFTER 09Z. EXPECT MIX OF RAIN/SNOW SOUTH OF THE TURNPIKE
WHILE NORTHWARD WILL BE ALL SNOW FOR MOST OF THE MORNING. HIGH
CONFIDENCE THAT TAFS WILL DETERIORATE AT LEAST TO MVFR/IFR
CONDITIONS...LOW CONFIDENCE ON TIMING. CONDITIONS WILL GRADUALLY
IMPROVE THROUGH THE AFTERNOON HOURS.

KBOS TERMINAL...
HIGH CONFIDENCE IN FIRST 6 HRS OF TAF. EXPECT WESTERLY WINDS
TO GUSTS NEAR 25KTS THROUGH THE AFTERNOON WHILE A FEW MVFR CIGS
LINGER FOR THE NEXT COUPLE OF HOURS. DEVELOPING CU FIELD MAY
STREAM ACROSS BUT SHLD DISSIPATE BY 00Z. MODERATE CONFIDENCE ON TAF
AFTER 00Z AS MIX OF RAIN/SNOW MOVES INTO THE AREA. LOW CONFIDENCE
ON TIMING OF SWITCHOVER BACK TO RAIN. CONDITIONS WILL DETERIORATE
TO MVFR/IFR CONDITIONS BY FRIDAY MORNING.

OUTLOOK...FRIDAY NIGHT THROUGH MONDAY...

FRIDAY NIGHT...
MODERATE CONFIDENCE. GUSTY WEST WINDS WITH A LOW POTENTIAL FOR GUSTS
30-40 KNOTS.

SATURDAY-SUNDAY-MONDAY...
MODERATE TO HIGH CONFIDENCE VFR.  POTENTIAL WEST WIND GUSTS 30-40
KNOTS SATURDAY...WITH WINDS DIMINISHING LATE IN THE DAY.

&&

.MARINE...
TODAY...
ANTICIPATE WINDS TO SHIFT OUT OF THE W THRU THE DAY AND GUST
AROUND 25 KTS FOR ALL WATERS. SMALL CRAFT ADVISORIES OUT
ACCORDINGLY. SHOULD SEE WAVES IN EXCESS OF 5 FEET ACROSS THE OPEN
WATERS. SOME INSTABILITY ACROSS THE WATERS MAY YIELD TO A FEW
THUNDERSTORMS IN THE OUTER WATERS...LOW CONFIDENCE HOWEVER.

TONIGHT...
WINDS WILL DIMINISH ACROSS THE WATERS AS HIGH PRES BUILDS INTO THE
RGN. BUT EXPECT WAVES TO STILL REMAIN AT OR ABOVE 5 FEET FOR THE
OPEN WATERS...SMALL CRAFT ADVISORIES EXTENDED ACCORDINGLY. WILL
SEE SEAS BEGIN TO BUILD AFTER MIDNIGHT AND INTO FRIDAY IN RESPONSE
TO A BUILDING SYSTEM THRU THE ERN GRT LKS...ELY FLOW TO INCREASE
ALONG WITH WAVE HEIGHTS.

FRIDAY...
STRONG STORM SYSTEM POISED TO LIFT THRU NEW ENGLAND. ELY FLOW TO
REVERT SWLY WITH TIME AND INCREASE IN RESPONSE TO THE DEEPENING
SYS. LIKELY TO SEE WINDS GUSTING IN EXCESS OF 25 KTS WITH BUILDING
SEAS UP TO 10 FT. THERE IS A LOW PROBABILITY OF GALE FORCE WIND
GUSTS LATE IN THE PD.

OUTLOOK...FRIDAY NIGHT THROUGH MONDAY...

GUST POTENTIAL WILL BE AS HIGH AS 45 KNOTS FRIDAY NIGHT INTO
SATURDAY AS COLDER AIR MOVES ACROSS THE WATERS BEHIND A DEPARTING
LOW PRESSURE. GALE WARNINGS MAY BE NEEDED FOR THIS EVENT. WINDS
DIMINISH SATURDAY NIGHT INTO SUNDAY AS A HIGH PRESSURE BUILD OVER
THE WATERS.  WINDS AND SEAS EXPECTED TO REMAIN BELOW SMALL CRAFT
ADVISORY CRITERIA MONDAY.

&&

.CLIMATE...
FEBRUARY OF 2012 IS SHAPING UP TO BE ANOTHER MONTH WITH WELL ABOVE
NORMAL TEMPERATURES IN SOUTHERN NEW ENGLAND.  IN FACT...FROM JULY
2011 ONWARD EVERY MONTH HAS AVERAGED ABOVE NORMAL TEMPERATURES AT
ALL 4 MAJOR CLIMATE SITES.

FEBRUARY MONTHLY AVERAGE AND DEPARTURES THROUGH THE 21TH:

BOSTON - 36.3 DEGREES WHICH IS +5.2 ABOVE NORMAL: TIED FOR 5TH

TOP 5 WARMEST FEBRUARIES IN BOSTON SINCE 1872
1) 38.0 DEGREES IN 1925
2) 37.6 DEGREES IN 1984
3) 37.3 DEGREES IN 1976
4) 36.4 DEGREES IN 1954 AND 1981
5) 36.3 DEGREES IN 2002

PROVIDENCE - 35.2 DEGREES WHICH IS +3.9 ABOVE NORMAL

TOP 5 WARMEST FEBRUARIES IN PROVIDENCE SINCE 1905: NOT IN TOP 5
1) 37.4 DEGREES IN 1981
2) 37.1 DEGREES IN 1984
3) 37.0 DEGREES IN 1998
4) 36.5 DEGREES IN 1997
5) 36.3 DEGREES IN 1949

WINDSOR LOCKS - 35.4 DEGREES WHICH IS +6.4 ABOVE NORMAL: 3RD SO FAR

TOP 5 WARMEST FEBRUARIES IN WINDSOR LOCKS SINCE 1905
1) 36.2 DEGREES IN 1954 AND 1998
2) 35.6 DEGREES IN 1925
3) 35.3 DEGREES IN 1981
4) 34.8 DEGREES IN 1976
5) 34.7 DEGREES IN 1997

WORCESTER - 32.2 DEGREES WHICH IS +5.9 ABOVE NORMAL

TOP 5 WARMEST FEBRUARIES IN WORCESTER SINCE 1892: NOT IN TOP 5
1) 34.0 DEGREES IN 1984
2) 33.4 DEGREES IN 1925
3) 32.9 DEGREES IN 1998
4) 32.8 DEGREES IN 1981
5) 32.4 DEGREES IN 1954

&&

.BOX WATCHES/WARNINGS/ADVISORIES...
CT...NONE.
MA...NONE.
NH...NONE.
RI...NONE.
MARINE...SMALL CRAFT ADVISORY UNTIL 7 PM EST THIS EVENING FOR
     ANZ230>234-236-251.
     SMALL CRAFT ADVISORY UNTIL 7 PM EST FRIDAY FOR ANZ235-237-250-
     254>256.

&&

SYNOPSIS...BELK/SIPPRELL
NEAR TERM...BELK/SIPPRELL/DUNTEN
SHORT TERM...SIPPRELL
LONG TERM...BELK
AVIATION...BELK/SIPPRELL/DUNTEN
MARINE...BELK/SIPPRELL
CLIMATE...STAFF
Hazardous weather outlook, Feb 23, 5:08 AM EST, 11 hours 8 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAUNTON MA
508 AM EST THU FEB 23 2012

MAZ002>004-008-009-026-NHZ011-012-015-241015-
WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-
WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-NORTHERN MIDDLESEX MA-
CHESHIRE NH-EASTERN HILLSBOROUGH NH-
WESTERN AND CENTRAL HILLSBOROUGH NH-
508 AM EST THU FEB 23 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL AND WESTERN
MASSACHUSETTS AND SOUTHERN NEW HAMPSHIRE.

.DAY ONE...TODAY AND TONIGHT.

THERE IS A LOW TO MODERATE PROBABILITY FOR ENOUGH SNOW
ACCUMULATION TO WARRANT A WINTER WEATHER ADVISORY LATE TONIGHT
INTO FRIDAY. PLEASE MONITOR LATER FORECASTS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

CTZ002>004-MAZ005>007-010>024-RIZ001>008-241015-
HARTFORD CT-TOLLAND CT-WINDHAM CT-CENTRAL MIDDLESEX MA-
WESTERN ESSEX MA-EASTERN ESSEX MA-EASTERN HAMPSHIRE 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-
SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-BARNSTABLE MA-DUKES MA-
NANTUCKET MA-NORTHWEST PROVIDENCE RI-SOUTHEAST PROVIDENCE RI-
WESTERN KENT RI-EASTERN KENT RI-BRISTOL RI-WASHINGTON RI-NEWPORT RI-
BLOCK ISLAND RI-
508 AM EST THU FEB 23 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN CONNECTICUT...ALL
OF MASSACHUSETTS EXCEPT FOR NORTHERN WORCESTER COUNTY AND WESTERN
MASSACHUSETTS...AND RHODE ISLAND.

.DAY ONE...TODAY AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

ANZ230>237-250-251-254>256-241015-
BOSTON HARBOR-CAPE COD BAY-NANTUCKET SOUND-VINEYARD SOUND-
BUZZARDS BAY-RHODE ISLAND SOUND-NARRAGANSETT BAY-BLOCK ISLAND SOUND-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK NATIONAL
MARINE SANCTUARY-MASSACHUSETTS BAY AND IPSWICH BAY-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD AND
NANTUCKET-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT TO
20 NM SOUTH OF BLOCK ISLAND-
508 AM EST THU FEB 23 2012

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

.DAY ONE...TODAY AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

THERE IS A MODERATE PROBABILITY THAT WEST WINDS MAY GUST UP TO
45 KNOTS FRIDAY NIGHT THROUGH SATURDAY NIGHT. THE GREATEST CHANCE
WOULD BE ACROSS THE WATERS SOUTH OF RHODE ISLAND AND MASSACHUSETTS.

.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
Feb 23, 4:18 PM ESTGale WatchBOX12 hr

Nearby

Winter Weather Advisories in Massachusetts, 2012Winter Weather Advisories in New Hampshire, 2012Every winter weather advisory in 2012

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.