Alert archive / Massachusetts / Heavy Snow Warnings in 2007

Heavy Snow Warning 2, NWS Boston/Norton, MA

December 12, 20074 states

NWS Boston/Norton, MA issued this heavy snow warning at Dec 12, 2007, 3:51 PM EST for 4 states. It took effect at Dec 13, 2007, 3:48 AM EST. It was in force for 17 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
Dec 12, 2007, 3:51 PM EST (20:51 UTC)
In effect from
Dec 13, 2007, 3:48 AM EST
Expired
Dec 13, 2007, 8:58 PM EST
In force
17 hr
Issued by
NWS Boston/Norton, MA

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

The radar

The Boston radar (KBOX), 55 km from the middle of the area, began a volume at 20:48 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

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

The nearest sounding before it

Chatham, MA (KCHH), launched 12:00Z, 8.9 hours before the alert went out and 156 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 2007-12-12Temperature 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 2007-12-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 114 square meters per square second.1939587897117Sfc1 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
513 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
114 m²/s²
0-3 km storm-relative helicity
158 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.

000 
WWUS41 KBOX 122051
WSWBOX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
351 PM EST WED DEC 12 2007

...A SIGNIFICANT WINTER STORM WILL BRING HEAVY SNOWFALL TO MUCH OF
SOUTHERN NEW ENGLAND THURSDAY AFTERNOON INTO THURSDAY EVENING...

CTZ002>004-RIZ001>005-130500-
/O.UPG.KBOX.WS.A.0010.071213T1800Z-071214T0400Z/
/O.NEW.KBOX.HS.W.0002.071213T1800Z-071214T0400Z/
HARTFORD CT-TOLLAND CT-WINDHAM CT-NORTHWEST PROVIDENCE RI-
SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-EASTERN KENT RI-
BRISTOL RI-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...PUTNAM...WILLIMANTIC...FOSTER...SMITHFIELD...
PROVIDENCE...WEST GREENWICH...WARWICK...BRISTOL
351 PM EST WED DEC 12 2007

...HEAVY SNOW WARNING IN EFFECT FROM 1 PM TO 11 PM EST THURSDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A HEAVY SNOW
WARNING...WHICH IS IN EFFECT FROM 1 PM TO 11 PM EST THURSDAY. THE
WINTER STORM WATCH IS NO LONGER IN EFFECT. 

A SHORT DURATION BUT HIGH IMPACT SNOWFALL WILL AFFECT NORTHERN
CONNECTICUT AND RHODE ISLAND THURSDAY AFTERNOON INTO THURSDAY
EVENING. SNOW ACCUMULATIONS OF 6 TO 10 INCHES ARE LIKELY...WITH MOST
OF THE SNOW FALLING IN A 6 HOUR PERIOD.

SNOW IS EXPECTED TO DEVELOP AROUND NOON IN THE CONNECTICUT
VALLEY...SPREADING EAST INTO RHODE ISLAND DURING THE EARLY AFTERNOON.
THE SNOW WILL QUICKLY BECOME HEAVY AT TIMES AND SNOWFALL RATES
MAY REACH 1 TO 3 INCHES PER HOUR FOR A TIME DURING THE LATE
AFTERNOON AND EARLY EVENING. THIS WILL HAVE A MAJOR IMPACT ON THE
EVENING RUSH HOUR AS THE HEAVIEST SNOW AND LOWEST VISIBILITIES WILL
BE DURING THIS TIME.

THE SNOW SHOULD QUICKLY TAPER OFF FROM WEST TO EAST BETWEEN 7 AND 9
PM THURSDAY EVENING. 

A HEAVY SNOW 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.

$$

MAZ008>013-015>019-130500-
/O.NEW.KBOX.HS.W.0002.071213T1800Z-071214T0400Z/
WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-
EASTERN HAMPDEN MA-SOUTHERN WORCESTER MA-WESTERN NORFOLK MA-
SUFFOLK MA-EASTERN NORFOLK MA-NORTHERN BRISTOL MA-
WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-
INCLUDING THE CITIES OF...CHESTERFIELD...BLANDFORD...AMHERST...
NORTHAMPTON...SPRINGFIELD...MILFORD...WORCESTER...FOXBORO...
NORWOOD...BOSTON...QUINCY...TAUNTON...BROCKTON...PLYMOUTH
351 PM EST WED DEC 12 2007

...HEAVY SNOW WARNING IN EFFECT FROM 1 PM TO 11 PM EST THURSDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A HEAVY SNOW
WARNING...WHICH IS IN EFFECT FROM 1 PM TO 11 PM EST THURSDAY. 

A SHORT DURATION BUT HIGH IMPACT SNOWFALL WILL AFFECT SOUTHEAST AND
CENTRAL MASSACHUSETTS ALONG AND SOUTH OF THE MASS PIKE THURSDAY
AFTERNOON INTO THE EVENING. SNOW ACCUMULATIONS OF 6 TO 10 INCHES ARE
LIKELY...WITH MOST OF THE SNOW FALLING IN A 6 HOUR PERIOD.

SNOW IS EXPECTED TO DEVELOP AROUND NOON IN THE CONNECTICUT
VALLEY...SPREADING EAST ACROSS SOUTHEAST MASSACHUSETTS DURING THE
EARLY AFTERNOON. THE SNOW WILL QUICKLY BECOME HEAVY AT TIMES AND
SNOWFALL RATES MAY REACH 1 TO 3 INCHES PER HOUR FOR A TIME DURING
THE LATE AFTERNOON AND EARLY EVENING. THIS WILL HAVE A MAJOR IMPACT
ON THE EVENING RUSH HOUR AS THE HEAVIEST SNOW AND LOWEST
VISIBILITIES WILL BE DURING THIS TIME.

THE SNOW SHOULD QUICKLY TAPER OFF FROM WEST TO EAST BETWEEN 7 AND 9
PM THURSDAY EVENING. 

A HEAVY SNOW 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.

$$

MAZ020>024-130500-
/O.EXA.KBOX.WS.A.0010.071213T1800Z-071214T0400Z/
SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-BARNSTABLE MA-DUKES MA-
NANTUCKET MA-
INCLUDING THE CITIES OF...FALL RIVER...NEW BEDFORD...
MATTAPOISETT...CHATHAM...FALMOUTH...PROVINCETOWN...
VINEYARD HAVEN...NANTUCKET
351 PM EST WED DEC 12 2007

...WINTER STORM WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
THURSDAY EVENING...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A WINTER STORM
WATCH...WHICH IS IN EFFECT FROM THURSDAY AFTERNOON THROUGH
THURSDAY EVENING. 

A SHORT DURATION BUT HIGH IMPACT SNOWFALL WILL AFFECT SOUTH COASTAL
MASSACHUSETTS THURSDAY AFTERNOON INTO THURSDAY EVENING. SNOW
ACCUMULATIONS OF 4 TO 7 INCHES ARE LIKELY...WITH MOST OF THE SNOW
FALLING IN A 6 HOUR PERIOD.

SNOW WILL OVERSPREAD THE REGION DURING THE EARLY AFTERNOON AND
QUICKLY BECOME HEAVY AT TIMES WITH POSSIBLE SNOWFALL RATES OF 1 TO 2
INCHES PER HOUR. THE HEAVIEST SNOW WILL LIKELY FALL DURING THE
EVENING RUSH HOUR.

HOWEVER...THERE IS SOME CONCERN THAT WARMER AIR ALOFT MAY CAUSE A
MIX OR BRIEF CHANGEOVER TO SLEET DURING THE LATE AFTERNOON OR EARLY
EVENING ALONG THE IMMEDIATE SOUTH COAST.

IF THE SLEET OCCURS...SNOWFALL AMOUNTS COULD BE A LITTLE LESS THAN
FORECAST. HOWEVER...IF THE SLEET DOES NOT MATERIALIZE SNOWFALL
AMOUNTS WILL LIKELY BE HEAVIER THAN FORECAST. 

THE SNOW SHOULD QUICKLY TAPER OFF AFTER 9 PM.

A WINTER STORM WATCH IS ISSUED FOR THE POTENTIAL OF ACCUMULATING
SNOW OF 6 OR MORE INCHES IN A 12 HOUR PERIOD OR 8 OR MORE INCHES IN A
24 HOUR PERIOD. ANYONE TRAVELING IN THE NEXT 24 HOURS SHOULD MONITOR
LATER FORECASTS AND BE PREPARED TO MODIFY TRAVEL PLANS SHOULD WINTER
WEATHER DEVELOP.

$$

MAZ002>007-014-026-NHZ011-012-015-130500-
/O.EXA.KBOX.WS.A.0010.071213T1800Z-071214T0400Z/
WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-
CENTRAL MIDDLESEX MA-WESTERN ESSEX MA-EASTERN ESSEX MA-
SOUTHEAST MIDDLESEX MA-NORTHERN MIDDLESEX MA-CHESHIRE NH-
EASTERN HILLSBOROUGH NH-WESTERN AND CENTRAL HILLSBOROUGH NH-
INCLUDING THE CITIES OF...CHARLEMONT...GREENFIELD...ORANGE...
BARRE...FITCHBURG...FRAMINGHAM...LOWELL...LAWRENCE...GLOUCESTER...
CAMBRIDGE...AYER...JAFFREY...KEENE...MANCHESTER...NASHUA...
PETERBOROUGH...WEARE
351 PM EST WED DEC 12 2007

...WINTER STORM WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
THURSDAY EVENING...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A WINTER STORM
WATCH...WHICH IS IN EFFECT FROM THURSDAY AFTERNOON THROUGH
THURSDAY EVENING. 

A SHORT DURATION BUT POTENTIALLY HIGH IMPACT SNOWFALL WILL AFFECT
NORTHERN MASSACHUSETTS AND SOUTHERN NEW HAMPSHIRE THURSDAY AFTERNOON
INTO THURSDAY EVENING. SNOW ACCUMULATIONS OF 4 TO 7 INCHES ARE
POSSIBLE...WITH MOST OF THE SNOW FALLING IN A 6 HOUR PERIOD.

THE HEAVIEST ACCUMULATIONS WILL BE NEAR THE MASS PIKE WITH AMOUNTS
DECREASING NORTHWARD INTO NEW HAMPSHIRE.

SNOW IS EXPECTED TO DEVELOP AROUND NOON IN THE CONNECTICUT
VALLEY...SPREADING EAST ACROSS NORTHEAST MASSACHUSETTS AND SOUTHERN
NEW HAMPSHIRE DURING THE EARLY AFTERNOON. THE SNOW MAY BE HEAVY FOR
A TIME DURING THE LATE AFTERNOON OR EARLY EVENING...ESPECIALLY NEAR
THE MASS PIKE MAKING FOR A SLOW AND DIFFICULT EVENING COMMUTE.

THE SNOW SHOULD QUICKLY TAPER OFF FROM WEST TO EAST BETWEEN 7 AND 9
PM THURSDAY EVENING.

A WINTER STORM WATCH IS ISSUED FOR THE POTENTIAL OF ACCUMULATING
SNOW OF 6 OR MORE INCHES IN A 12 HOUR PERIOD OR 8 OR MORE INCHES IN A
24 HOUR PERIOD. ANYONE TRAVELING IN THE NEXT 24 HOURS SHOULD MONITOR
LATER FORECASTS AND BE PREPARED TO MODIFY TRAVEL PLANS SHOULD WINTER
WEATHER DEVELOP.

$$

RIZ006>008-130500-
/O.CON.KBOX.WS.A.0010.071213T1800Z-071214T0400Z/
WASHINGTON RI-NEWPORT RI-BLOCK ISLAND RI-
INCLUDING THE CITIES OF...NARRAGANSETT...WESTERLY...NEWPORT...
BLOCK ISLAND
351 PM EST WED DEC 12 2007

...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH THURSDAY EVENING...

A SHORT DURATION BUT HIGH IMPACT SNOWFALL WILL AFFECT SOUTH COASTAL
RHODE ISLAND THURSDAY AFTERNOON INTO THURSDAY EVENING. SNOW
ACCUMULATIONS OF 4 TO 7 INCHES ARE LIKELY...WITH MOST OF THE SNOW
FALLING IN A 6 HOUR PERIOD.

SNOW WILL OVERSPREAD THE REGION BY EARLY AFTERNOON AND QUICKLY
BECOME HEAVY AT TIMES WITH POSSIBLE SNOWFALL RATES OF 1 TO 2 INCHES
PER HOUR. THE HEAVIEST SNOW WILL LIKELY FALL DURING THE EVENING RUSH
HOUR.

HOWEVER...THERE IS SOME CONCERN THAT WARMER AIR ALOFT MAY CAUSE A
MIX OR BRIEF CHANGEOVER TO SLEET DURING THE LATE AFTERNOON OR EARLY
EVENING ALONG THE IMMEDIATE SOUTH COAST.

IF THE SLEET OCCURS...SNOWFALL AMOUNTS COULD BE A LITTLE LESS THAN
FORECAST. HOWEVER...IF THE SLEET DOES NOT MATERIALIZE SNOWFALL
AMOUNTS WILL LIKELY BE HEAVIER THAN FORECAST. 

THE SNOW SHOULD QUICKLY TAPER OFF BY 9 PM.

A WINTER STORM WATCH IS ISSUED FOR THE POTENTIAL OF ACCUMULATING
SNOW OF 6 OR MORE INCHES IN A 12 HOUR PERIOD OR 8 OR MORE INCHES
IN A 24 HOUR PERIOD. ANYONE TRAVELING IN THE NEXT 24 TO 36 HOURS
SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO MODIFY TRAVEL
PLANS SHOULD WINTER WEATHER DEVELOP.

$$

KJC
5 follow-up statements
000 
WWUS41 KBOX 130436
WSWBOX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
1136 PM EST WED DEC 12 2007

...A SIGNIFICANT WINTER STORM WILL BRING HEAVY SNOWFALL TO MUCH
OF SOUTHERN NEW ENGLAND THURSDAY AFTERNOON INTO THURSDAY
EVENING...

CTZ002>004-MAZ008>013-015>019-RIZ001>005-131245-
/O.CON.KBOX.HS.W.0002.071213T1800Z-071214T0400Z/
HARTFORD CT-TOLLAND CT-WINDHAM CT-WESTERN HAMPSHIRE MA-
WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA-
SOUTHERN WORCESTER MA-WESTERN NORFOLK 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-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...PUTNAM...WILLIMANTIC...CHESTERFIELD...BLANDFORD...
AMHERST...NORTHAMPTON...SPRINGFIELD...MILFORD...WORCESTER...
FOXBORO...NORWOOD...BOSTON...QUINCY...TAUNTON...BROCKTON...
PLYMOUTH...FOSTER...SMITHFIELD...PROVIDENCE...WEST GREENWICH...
WARWICK...BRISTOL
1136 PM EST WED DEC 12 2007

...HEAVY SNOW WARNING REMAINS IN EFFECT FROM 1 PM TO 11 PM EST
THURSDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT FROM 1 PM TO 11 PM EST
THURSDAY. 

A SHORT DURATION BUT HIGH IMPACT SNOWFALL WILL AFFECT
MASSACHUSETTS...ESPECIALLY AREAS ALONG AND SOUTH OF THE MASSACHUSETTS
TURNPIKE...THURSDAY AFTERNOON INTO THE EVENING. SNOW ACCUMULATIONS OF 6
TO 10 INCHES ARE LIKELY...WITH MOST OF THE SNOW FALLING IN A 6 HOUR
PERIOD.

SNOW IS EXPECTED TO DEVELOP AROUND NOON IN THE CONNECTICUT
VALLEY...SPREADING EAST ACROSS SOUTHEAST MASSACHUSETTS DURING THE
EARLY AFTERNOON. THE SNOW WILL QUICKLY BECOME HEAVY AT TIMES AND
SNOWFALL RATES MAY REACH 1 TO 3 INCHES PER HOUR FOR A TIME DURING
THE LATE AFTERNOON AND EARLY EVENING. THIS WILL HAVE A MAJOR
IMPACT ON THE EVENING RUSH HOUR AS THE HEAVIEST SNOW AND LOWEST
VISIBILITIES WILL BE DURING THIS TIME.

THE SNOW SHOULD QUICKLY TAPER OFF FROM WEST TO EAST BETWEEN 7 AND
9 PM THURSDAY EVENING.

A HEAVY SNOW 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.

$$

MAZ020>024-RIZ006>008-131245-
/O.CON.KBOX.WS.A.0010.071213T1800Z-071214T0400Z/
SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-BARNSTABLE MA-DUKES MA-
NANTUCKET MA-WASHINGTON RI-NEWPORT RI-BLOCK ISLAND RI-
INCLUDING THE CITIES OF...FALL RIVER...NEW BEDFORD...
MATTAPOISETT...CHATHAM...FALMOUTH...PROVINCETOWN...
VINEYARD HAVEN...NANTUCKET...NARRAGANSETT...WESTERLY...NEWPORT...
BLOCK ISLAND
1136 PM EST WED DEC 12 2007

...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH THURSDAY EVENING...

A WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH THURSDAY EVENING. 

SNOW WILL OVERSPREAD THE REGION BY EARLY AFTERNOON AND QUICKLY
BECOME HEAVY AT TIMES WITH POSSIBLE SNOWFALL RATES OF 1 TO
2 INCHES PER HOUR. THE HEAVIEST SNOW WILL LIKELY FALL DURING THE
EVENING RUSH HOUR.

THERE IS A CHANCE THAT THE SNOW WILL MIX WITH OR CHANGE TO SLEET
DURING THE LATE AFTERNOON OR EVENING. THIS IS ESPECIALLY THE CASE
OVER CAPE COD AND THE ISLANDS.  IF THE SLEET OCCURS...SNOWFALL
AMOUNTS COULD BE A LITTLE LESS THAN FORECAST. HOWEVER...IF THE SLEET
DOES NOT MATERIALIZE SNOWFALL AMOUNTS WILL LIKELY BE HEAVIER THAN
FORECAST.

THE SNOW SHOULD QUICKLY TAPER OFF BY 9 PM.

A WINTER STORM WATCH IS ISSUED FOR THE POTENTIAL OF ACCUMULATING
SNOW OF 6 OR MORE INCHES IN A 12 HOUR PERIOD OR 8 OR MORE INCHES
IN A 24 HOUR PERIOD. ANYONE TRAVELING IN THE NEXT 24 TO 36 HOURS
SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO MODIFY TRAVEL
PLANS SHOULD WINTER WEATHER DEVELOP.

$$

MAZ002>007-014-026-NHZ011-012-015-131245-
/O.CON.KBOX.WS.A.0010.071213T1800Z-071214T0400Z/
WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-
CENTRAL MIDDLESEX MA-WESTERN ESSEX MA-EASTERN ESSEX MA-
SOUTHEAST MIDDLESEX MA-NORTHERN MIDDLESEX MA-CHESHIRE NH-
EASTERN HILLSBOROUGH NH-WESTERN AND CENTRAL HILLSBOROUGH NH-
INCLUDING THE CITIES OF...CHARLEMONT...GREENFIELD...ORANGE...
BARRE...FITCHBURG...FRAMINGHAM...LOWELL...LAWRENCE...GLOUCESTER...
CAMBRIDGE...AYER...JAFFREY...KEENE...MANCHESTER...NASHUA...
PETERBOROUGH...WEARE
1136 PM EST WED DEC 12 2007

...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH THURSDAY EVENING...

A WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH THURSDAY EVENING. 

A SHORT DURATION BUT POTENTIALLY HIGH IMPACT SNOWFALL WILL AFFECT
NORTHERN MASSACHUSETTS AND SOUTHERN NEW HAMPSHIRE THURSDAY
AFTERNOON INTO THURSDAY EVENING. SNOW ACCUMULATIONS IN EXCESS OF 6
INCHES ARE POSSIBLE...WITH MOST OF THE SNOW FALLING IN A 6 HOUR
PERIOD.

THE HEAVIEST ACCUMULATIONS WILL BE NEAR THE MASSACHUSETTS TURNPIKE
WITH AMOUNTS DECREASING NORTHWARD INTO NEW HAMPSHIRE.

SNOW IS EXPECTED TO DEVELOP AROUND NOON IN THE CONNECTICUT
VALLEY...SPREADING EAST ACROSS NORTHEAST MASSACHUSETTS AND
SOUTHERN NEW HAMPSHIRE DURING THE EARLY AFTERNOON. THE SNOW MAY
BE HEAVY FOR A TIME DURING THE LATE AFTERNOON OR EARLY EVENING...
ESPECIALLY NEAR THE MASS PIKE MAKING FOR A SLOW AND DIFFICULT
EVENING COMMUTE.

THE SNOW SHOULD QUICKLY TAPER OFF FROM WEST TO EAST BETWEEN 7 AND
9 PM THURSDAY EVENING.

A WINTER STORM WATCH IS ISSUED FOR THE POTENTIAL OF ACCUMULATING
SNOW OF 6 OR MORE INCHES IN A 12 HOUR PERIOD OR 8 OR MORE INCHES
IN A 24 HOUR PERIOD. ANYONE TRAVELING IN THE NEXT 24 HOURS SHOULD
MONITOR LATER FORECASTS AND BE PREPARED TO MODIFY TRAVEL PLANS
SHOULD WINTER WEATHER DEVELOP.

$$

WTB
000 
WWUS41 KBOX 130848
WSWBOX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
348 AM EST THU DEC 13 2007

...A SIGNIFICANT WINTER STORM WILL BRING HEAVY SNOWFALL TO MUCH
OF SOUTHERN NEW ENGLAND THURSDAY AFTERNOON INTO THURSDAY
EVENING...

MAZ020>022-RIZ006-007-131700-
/O.UPG.KBOX.WS.A.0010.071213T1800Z-071214T0400Z/
/O.NEW.KBOX.WS.W.0007.071213T1800Z-071214T0400Z/
SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-BARNSTABLE MA-
WASHINGTON RI-NEWPORT RI-
INCLUDING THE CITIES OF...FALL RIVER...NEW BEDFORD...
MATTAPOISETT...CHATHAM...FALMOUTH...PROVINCETOWN...NARRAGANSETT...
WESTERLY...NEWPORT
348 AM EST THU DEC 13 2007

...WINTER STORM WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO
11 PM EST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A WINTER STORM
WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 11 PM
EST THIS EVENING. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

SNOW WILL OVERSPREAD THE REGION BY EARLY AFTERNOON AND QUICKLY
BECOME HEAVY AT TIMES WITH POSSIBLE SNOWFALL RATES OF 1 TO 2 INCHES
PER HOUR. THE HEAVIEST SNOW WILL LIKELY FALL DURING THE EVENING RUSH
HOUR. BY THE TIME THE SNOW TAPERS OFF...AMOUNTS ARE EXPECTED TO RANGE
FROM 5 TO 10 INCHES.

THERE IS A CHANCE THAT THE SNOW WILL MIX WITH OR CHANGE TO SLEET
DURING THE LATE AFTERNOON OR EVENING. THIS IS ESPECIALLY THE CASE
OVER CAPE COD. IF THE SLEET OCCURS...SNOWFALL AMOUNTS COULD BE A
LITTLE LESS THAN FORECAST. HOWEVER...IF THE SLEET DOES NOT
MATERIALIZE SNOWFALL AMOUNTS WILL LIKELY BE HEAVIER THAN FORECAST.

THE SNOW SHOULD QUICKLY TAPER OFF BY 9 PM.

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>007-014-026-NHZ011-012-015-131700-
/O.UPG.KBOX.WS.A.0010.071213T1800Z-071214T0400Z/
/O.EXA.KBOX.HS.W.0002.071213T1800Z-071214T0400Z/
WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-
CENTRAL MIDDLESEX MA-WESTERN ESSEX MA-EASTERN ESSEX MA-
SOUTHEAST MIDDLESEX MA-NORTHERN MIDDLESEX MA-CHESHIRE NH-
EASTERN HILLSBOROUGH NH-WESTERN AND CENTRAL HILLSBOROUGH NH-
INCLUDING THE CITIES OF...CHARLEMONT...GREENFIELD...ORANGE...
BARRE...FITCHBURG...FRAMINGHAM...LOWELL...LAWRENCE...GLOUCESTER...
CAMBRIDGE...AYER...JAFFREY...KEENE...MANCHESTER...NASHUA...
PETERBOROUGH...WEARE
348 AM EST THU DEC 13 2007

...HEAVY SNOW WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 11 PM
EST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A HEAVY SNOW
WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 11 PM
EST THIS EVENING. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

A SHORT DURATION BUT POTENTIALLY HIGH IMPACT SNOWFALL WILL AFFECT
NORTHERN MASSACHUSETTS AND SOUTHERN NEW HAMPSHIRE THURSDAY AFTERNOON
INTO THURSDAY EVENING. SNOW ACCUMULATIONS OF 4 TO 10 INCHES ARE
EXPECTED WITH THE HEAVIEST AMOUNTS IN NORTHERN MASSACHUSETTS.

MOST OF THE SNOW WILL FALL IN A 6 HOUR PERIOD. SNOW IS EXPECTED TO
DEVELOP AROUND NOON IN THE CONNECTICUT VALLEY...SPREADING EAST ACROSS
NORTHEAST MASSACHUSETTS AND SOUTHERN NEW HAMPSHIRE DURING THE EARLY
AFTERNOON. THE SNOW MAY BE HEAVY FOR A TIME DURING THE LATE AFTERNOON
OR EARLY EVENING...MAKING FOR A SLOW AND DIFFICULT EVENING COMMUTE.

THE SNOW SHOULD QUICKLY TAPER OFF FROM WEST TO EAST BETWEEN 7 AND
10 PM THURSDAY EVENING.

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

$$

CTZ002>004-MAZ008>013-015>019-RIZ001>005-131700-
/O.CON.KBOX.HS.W.0002.071213T1800Z-071214T0400Z/
HARTFORD CT-TOLLAND CT-WINDHAM CT-WESTERN HAMPSHIRE MA-
WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA-
SOUTHERN WORCESTER MA-WESTERN NORFOLK 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-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...PUTNAM...WILLIMANTIC...CHESTERFIELD...BLANDFORD...
AMHERST...NORTHAMPTON...SPRINGFIELD...MILFORD...WORCESTER...
FOXBORO...NORWOOD...BOSTON...QUINCY...TAUNTON...BROCKTON...
PLYMOUTH...FOSTER...SMITHFIELD...PROVIDENCE...WEST GREENWICH...
WARWICK...BRISTOL
348 AM EST THU DEC 13 2007

...HEAVY SNOW WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON
TO 11 PM EST THIS EVENING...

A HEAVY SNOW WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON
TO 11 PM EST THIS EVENING. 

A SHORT DURATION BUT HIGH IMPACT SNOWFALL WILL AFFECT
MASSACHUSETTS...ESPECIALLY AREAS ALONG AND SOUTH OF THE
MASSACHUSETTS TURNPIKE...THURSDAY AFTERNOON INTO THE EVENING.
SNOW ACCUMULATIONS OF 6 TO 12 INCHES ARE LIKELY...WITH MOST OF THE
SNOW FALLING IN A 6 HOUR PERIOD.

SNOW IS EXPECTED TO DEVELOP AROUND NOON IN THE CONNECTICUT
VALLEY...SPREADING EAST ACROSS SOUTHEAST MASSACHUSETTS DURING THE
EARLY AFTERNOON. THE SNOW WILL QUICKLY BECOME HEAVY AT TIMES AND
SNOWFALL RATES MAY REACH 1 TO 3 INCHES PER HOUR FOR A TIME DURING
THE LATE AFTERNOON AND EARLY EVENING. THIS WILL HAVE A MAJOR
IMPACT ON THE EVENING RUSH HOUR AS THE HEAVIEST SNOW AND LOWEST
VISIBILITIES WILL BE DURING THIS TIME.

THE SNOW SHOULD QUICKLY TAPER OFF FROM WEST TO EAST BETWEEN 6 AND 9
PM THURSDAY EVENING.

A HEAVY SNOW 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.

$$

MAZ023-024-RIZ008-131700-
/O.UPG.KBOX.WS.A.0010.071213T1800Z-071214T0400Z/
/O.NEW.KBOX.WW.Y.0016.071213T1800Z-071214T0400Z/
DUKES MA-NANTUCKET MA-BLOCK ISLAND RI-
INCLUDING THE CITIES OF...VINEYARD HAVEN...NANTUCKET...
BLOCK ISLAND
348 AM EST THU DEC 13 2007

...WINTER WEATHER ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO
11 PM EST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A WINTER
WEATHER ADVISORY...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO
11 PM EST THIS EVENING. THE ADVISORY COVERS NANTUCKET...MARTHAS
VINEYARD...AND BLOCK ISLAND.  THE WINTER STORM WATCH IS NO LONGER IN
EFFECT.

SNOW WILL OVERSPREAD THE ISLANDS DURING THE EARLY AFTERNOON AND
QUICKLY BECOME HEAVY AT TIMES. UP TO 4 INCHES OF SNOW ARE EXPECTED. 
THE SNOW WILL MIX WITH OR CHANGE TO SLEET OR RAIN DURING THE LATE
AFTERNOON OR EVENING. IF A CHANGE TO RAIN OCCURS...SNOWFALL AMOUNTS
COULD BE A LITTLE LESS THAN FORECAST. HOWEVER...IF THE RAIN AND SLEET
DO NOT MATERIALIZE THEN SNOWFALL AMOUNTS WILL LIKELY BE HEAVIER THAN
FORECAST.

THE SNOW SHOULD QUICKLY TAPER OFF BY 9 PM.

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
000 
WWUS41 KBOX 131716
WSWBOX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
1216 PM EST THU DEC 13 2007

...A SIGNIFICANT WINTER STORM WILL BRING HEAVY SNOWFALL TO MUCH
OF SOUTHERN NEW ENGLAND THIS AFTERNOON AND EARLY EVENING...

CTZ002>004-MAZ002>019-026-NHZ011-012-015-RIZ001>005-140200-
/O.CON.KBOX.HS.W.0002.071213T1800Z-071214T0400Z/
HARTFORD CT-TOLLAND CT-WINDHAM CT-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-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-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-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...PUTNAM...WILLIMANTIC...CHARLEMONT...GREENFIELD...
ORANGE...BARRE...FITCHBURG...FRAMINGHAM...LOWELL...LAWRENCE...
GLOUCESTER...CHESTERFIELD...BLANDFORD...AMHERST...NORTHAMPTON...
SPRINGFIELD...MILFORD...WORCESTER...FOXBORO...NORWOOD...
CAMBRIDGE...BOSTON...QUINCY...TAUNTON...BROCKTON...PLYMOUTH...
AYER...JAFFREY...KEENE...MANCHESTER...NASHUA...PETERBOROUGH...
WEARE...FOSTER...SMITHFIELD...PROVIDENCE...WEST GREENWICH...
WARWICK...BRISTOL
1216 PM EST THU DEC 13 2007

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 11 PM EST THIS
EVENING...

A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 11 PM EST THIS
EVENING FOR RHODE ISLAND FROM PROVIDENCE NORTHWARD...ALL OF NORTHERN
CONNECTICUT...ALL OF MASSACHUSETTS SOUTH TO TAUNTON...ATTLEBORO AND
PLYMOUTH...AND INCLUDING SOUTHERN NEW HAMPSHIRE. 

HEAVY SNOW THIS AFTERNOON AND EARLY EVENING WITH TOTAL SNOW
ACCUMULATIONS OF 6 TO 12 INCHES ARE LIKELY...WITH HIGHEST AMOUNTS
ALONG AND SOUTH OF THE MASSACHUSETTS PIKE INTO NORTHERN CONNECTICUT...
NORTHERN RHODE ISLAND AND NEARBY SOUTHEAST MASSACHUSETTS.

AT NOON...SNOW WAS FALLING ACROSS ALL OF SOUTHERN NEW
ENGLAND...MAINLY WEST OF INTERSTATE 495. SNOW WILL BEGIN ACROSS
EASTERN MASSACHUSETTS BETWEEN 1 PM AND 2 PM.  THE SNOW WILL QUICKLY
BECOME HEAVY AT TIMES AND SNOWFALL RATES OF 1 TO 2 INCHES PER HOUR
ARE EXPECTED...WITH POSSIBLY UP TO 3 INCHES PER HOUR IN SOME
LOCATIONS. THIS WILL HAVE A MAJOR IMPACT ON THE LATE DAY COMMUTE AS
THE HEAVIEST SNOW AND LOWEST VISIBILITIES WILL BE DURING THIS TIME.

THE SNOW SHOULD QUICKLY TAPER OFF FROM WEST TO EAST BETWEEN 6 AND
9 PM THIS EVENING.

A HEAVY SNOW 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.

$$

MAZ020>022-RIZ006-007-140200-
/O.CON.KBOX.WS.W.0007.071213T1800Z-071214T0400Z/
SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-BARNSTABLE MA-
WASHINGTON RI-NEWPORT RI-
INCLUDING THE CITIES OF...FALL RIVER...NEW BEDFORD...
MATTAPOISETT...CHATHAM...FALMOUTH...PROVINCETOWN...NARRAGANSETT...
WESTERLY...NEWPORT
1216 PM EST THU DEC 13 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM EST THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM EST THIS
EVENING FOR COASTAL RHODE ISLAND AND SOUTH COASTAL MASSACHUSETTS.
THIS INCLUDES THE CITIES OF FALL RIVER...NEW BEDFORD...
MATTAPOISETT...CHATHAM...FALMOUTH...PROVINCETOWN...NARRAGANSETT...
WESTERLY AND NEWPORT.

AT NOON...SNOW WAS OVERSPREADING MUCH OF THE SOUTH COAST. EXPECT SNOW
TO QUICKLY BECOME HEAVY AT TIMES WITH POSSIBLE SNOWFALL RATES OF 1
TO 2 INCHES PER HOUR. THE HEAVIEST SNOW WILL FALL BETWEEN 5 PM AND 9
PM...CREATING VERY HAZARDOUS TRAVEL FOR THE EVENING COMMUTE. SNOW
WILL BEGIN TAPERING OFF BETWEEN 8 PM AND 9 PM.

THERE IS A CHANCE THAT THE SNOW WILL MIX WITH OR CHANGE TO SLEET
DURING THE LATE AFTERNOON OR EVENING. THIS IS ESPECIALLY THE CASE
ALONG THE IMMEDIATE SOUTH COAST...INCLUDING CAPE COD. IF THE SLEET
OCCURS...SNOWFALL TOTALS WILL BE CLOSER TO 6 INCHES. HOWEVER...IF
THE SLEET DOES NOT MATERIALIZE SNOWFALL AMOUNTS WILL LIKELY BE CLOSER
TO A FOOT

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.

$$

MAZ023-024-RIZ008-140200-
/O.CON.KBOX.WW.Y.0016.071213T1800Z-071214T0400Z/
DUKES MA-NANTUCKET MA-BLOCK ISLAND RI-
INCLUDING THE CITIES OF...VINEYARD HAVEN...NANTUCKET...
BLOCK ISLAND
1216 PM EST THU DEC 13 2007

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM EST THIS
EVENING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM EST THIS
EVENING. THIS INCLUDES BLOCK ISLAND...MARTHAS VINEYARD AND NANTUCKET. 

AT NOON...SNOW WAS BEGINNING TO OVERSPREAD BLOCK ISLAND...MARTHAS VINEYARD
AND NANTUCKET. SNOW WILL QUICKLY BECOME HEAVY AT TIMES AFTER 1 PM. 
THE SNOW WILL MIX WITH OR CHANGE TO SLEET DURING THE MID TO LATE
AFTERNOON. THIS WILL LIMIT SNOWFALL TOTALS TO 2 TO 4 INCHES. 

THE PRECIPITATION WILL QUICKLY TAPER OFF BY 9 PM.

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

$$

NOCERA
000 
WWUS41 KBOX 132058
WSWBOX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
358 PM EST THU DEC 13 2007

...A SIGNIFICANT WINTER STORM WILL BRING HEAVY SNOWFALL TO MUCH
OF SOUTHERN NEW ENGLAND THIS AFTERNOON AND EARLY EVENING...

CTZ002>004-MAZ002>019-026-NHZ011-012-015-RIZ001>005-140400-
/O.CON.KBOX.HS.W.0002.000000T0000Z-071214T0400Z/
HARTFORD CT-TOLLAND CT-WINDHAM CT-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-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-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-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...PUTNAM...WILLIMANTIC...CHARLEMONT...GREENFIELD...
ORANGE...BARRE...FITCHBURG...FRAMINGHAM...LOWELL...LAWRENCE...
GLOUCESTER...CHESTERFIELD...BLANDFORD...AMHERST...NORTHAMPTON...
SPRINGFIELD...MILFORD...WORCESTER...FOXBORO...NORWOOD...
CAMBRIDGE...BOSTON...QUINCY...TAUNTON...BROCKTON...PLYMOUTH...
AYER...JAFFREY...KEENE...MANCHESTER...NASHUA...PETERBOROUGH...
WEARE...FOSTER...SMITHFIELD...PROVIDENCE...WEST GREENWICH...
WARWICK...BRISTOL
358 PM EST THU DEC 13 2007

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 11 PM EST THIS
EVENING...

SNOW...HEAVY AT TIMES WILL CONTINUE LATE THIS AFTERNOON INTO EARLY
THIS EVENING ACROSS ALL OF NORTHERN CONNECTICUT...NORTHERN RHODE
ISLAND...ALL OF MASSACHUSETTS FROM ATTLEBORO TO PLYMOUTH NORTHWARD.
THIS ALSO INCLUDES SOUTHERN NEW HAMPSHIRE. 

SNOWFALL WILL ACCUMULATE 4 TO 8 INCHES ACROSS THIS ENTIRE
REGION...WITH A SWATH OF 9 TO 12 INCHES OVER EXTREME NORTHERN
CONNECTICUT...NORTHERN RHODE ISLAND EASTWARD TO ATTLEBORO...BROCKTON
TO MARSHFIELD...EXTENDING NORTHWARD TO THE MASS PIKE. THIS IS WHERE
THE PRECIPITATION WILL REMAIN ALL SNOW.  SNOW WILL FALL AT THE RATE
OF 1 TO 2 INCHES PER HOUR...WITH 3 INCH RATES POSSIBLE.

SLEET MAY MIX WITH SNOW AT TIMES FROM HARTFORD...WILLIMANTIC...PROVIDENCE...
TAUNTON AND POINTS SOUTH. NEVERTHELESS...EXPECT VERY HAZARDOUS
TRAVEL THROUGH THE EVENING COMMUTE.

SNOW WILL TAPER OFF BETWEEN 5 PM AND 7 PM ACROSS THE GREATER HARTFORD
SPRINGFIELD AREAS...INCLUDING WESTERN MASSACHUSETTS...THEN BETWEEN
8 PM AND 10 PM ACROSS RHODE ISLAND AND EASTERN MASSACHUSETTS.

A HEAVY SNOW 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.

$$

MAZ020>022-RIZ006-007-140400-
/O.CON.KBOX.WS.W.0007.000000T0000Z-071214T0400Z/
SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-BARNSTABLE MA-
WASHINGTON RI-NEWPORT RI-
INCLUDING THE CITIES OF...FALL RIVER...NEW BEDFORD...
MATTAPOISETT...CHATHAM...FALMOUTH...PROVINCETOWN...NARRAGANSETT...
WESTERLY...NEWPORT
358 PM EST THU DEC 13 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM EST THIS
EVENING...

THIS INCLUDES SOUTH COASTAL RHODE ISLAND AND THE SOUTH COAST OF MASSACHUSETTS...
INCLUDING HE CITIES OF...FALL RIVER...NEW BEDFORD...MATTAPOISETT...
CHATHAM...FALMOUTH...PROVINCETOWN...NARRAGANSETT...WESTERLY AND NEWPORT.

SNOW...HEAVY AT TIMES WILL CONTINUE INTO THIS EVENING WITH SNOWFALL
RATES OF 1 TO 2 INCHES PER HOUR. THE HEAVIEST SNOW WILL FALL BETWEEN
5 PM AND 9 PM...CREATING VERY HAZARDOUS TRAVEL FOR THE EVENING
COMMUTE. SNOW WILL LIKELY MIX WITH SLEET AT TIMES...WHICH WILL LIMIT
SNOWFALL ACCUMULATIONS TO 4 TO 7 INCHES. PRECIPITATION WILL WILL
TAPER OFF BETWEEN 8 PM AND 10 PM.

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.

$$

MAZ023-024-RIZ008-140400-
/O.CON.KBOX.WW.Y.0016.000000T0000Z-071214T0400Z/
DUKES MA-NANTUCKET MA-BLOCK ISLAND RI-
INCLUDING THE CITIES OF...VINEYARD HAVEN...NANTUCKET...
BLOCK ISLAND
358 PM EST THU DEC 13 2007

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM EST THIS
EVENING...

THIS INCLUDES BLOCK ISLAND...MARTHAS VINEYARD AND NANTUCKET. 

A WINTRY MIX OF SNOW AND SLEET WILL CONTINUE THROUGH THE EARLY
EVENING. THE PRECIPITATION WILL BE HEAVY AT TIMES...WITH A SLUSHY
ACCUMULATION OF 2 TO 4 INCHES OF SNOW AND SLEET.

THE PRECIPITATION WILL QUICKLY TAPER OFF BETWEEN 8 PM AND 10 PM FROM
WEST TO EAST.

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

$$

NOCERA
000 
WWUS41 KBOX 140158
WSWBOX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
858 PM EST THU DEC 13 2007

...HEAVY SNOW...EXCEPT STEADY MIXED PRECIPITATION ALONG THE SOUTH
COAST HAS TAPERED OFF ACROSS THE REGION...

CTZ002>004-MAZ002>019-026-NHZ011-012-015-RIZ001>005-140300-
/O.CAN.KBOX.HS.W.0002.000000T0000Z-071214T0400Z/
HARTFORD CT-TOLLAND CT-WINDHAM CT-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-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-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-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...PUTNAM...WILLIMANTIC...CHARLEMONT...GREENFIELD...
ORANGE...BARRE...FITCHBURG...FRAMINGHAM...LOWELL...LAWRENCE...
GLOUCESTER...CHESTERFIELD...BLANDFORD...AMHERST...NORTHAMPTON...
SPRINGFIELD...MILFORD...WORCESTER...FOXBORO...NORWOOD...
CAMBRIDGE...BOSTON...QUINCY...TAUNTON...BROCKTON...PLYMOUTH...
AYER...JAFFREY...KEENE...MANCHESTER...NASHUA...PETERBOROUGH...
WEARE...FOSTER...SMITHFIELD...PROVIDENCE...WEST GREENWICH...
WARWICK...BRISTOL
858 PM EST THU DEC 13 2007

...HEAVY SNOW WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS CANCELLED THE HEAVY
SNOW WARNING FOR MUCH OF SOUTHERN NEW ENGLAND. 

HEAVY SNOW HAS PUSHED EAST OF THE AREA AFTER SNOW ACCUMULATIONS
GENERALLY RANGED FROM 5 TO 9 INCHES...EXCEPT A SWATH OF 10 TO 14
INCHES FROM NORTHERN CONNECTICUT THROUGH NORTHERN RHODE ISLAND AND
INTERIOR SOUTHEASTERN MASSACHUSETTS.

LINGERING LIGHT SNOW SHOWERS OR FLURRIES WILL CONTINUE THROUGH
MIDNIGHT...BUT WITH LITTLE OR NO ADDITIONAL ACCUMULATION.

$$

MAZ020>022-RIZ006-007-140300-
/O.CAN.KBOX.WS.W.0007.000000T0000Z-071214T0400Z/
SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-BARNSTABLE MA-
WASHINGTON RI-NEWPORT RI-
INCLUDING THE CITIES OF...FALL RIVER...NEW BEDFORD...
MATTAPOISETT...CHATHAM...FALMOUTH...PROVINCETOWN...NARRAGANSETT...
WESTERLY...NEWPORT
858 PM EST THU DEC 13 2007

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS CANCELLED THE WINTER
STORM WARNING FOR SOUTHERN RHODE ISLAND...SOUTH COASTAL MASSACHUSETTS
AND CAPE COD. 

SNOW AND SLEET...MIXED WITH SOME FREEZING RAIN HAS TAPERED OFF TO
LIGHT SNOW SHOWERS. SNOW AND SLEET ACCUMULATIONS GENERALLY RANGED
FROM 4 TO 8 INCHES.

LINGERING LIGHT SNOW SHOWERS OR FLURRIES WILL CONTINUE THROUGH
MIDNIGHT...BUT WITH LITTLE OR NO ADDITIONAL ACCUMULATION.

$$

MAZ023-024-RIZ008-140300-
/O.CAN.KBOX.WW.Y.0016.000000T0000Z-071214T0400Z/
DUKES MA-NANTUCKET MA-BLOCK ISLAND RI-
INCLUDING THE CITIES OF...VINEYARD HAVEN...NANTUCKET...
BLOCK ISLAND
858 PM EST THU DEC 13 2007

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS CANCELLED THE WINTER
WEATHER ADVISORY FOR NANTUCKET ISLAND....MARTHAS VINEYARD AND BLOCK
ISLAND.

A MIX OF SNOW...SLEET...FREEZING RAIN AND RAIN HAS TAPERED OFF TO
LIGHT RAIN AND SNOW SHOWERS. SNOW AND SLEET ACCUMULATIONS GENERALLY
RANGED FROM 2 TO 4 INCHES.

SCATTERED LIGHT SNOW SHOWERS OR FLURRIES WILL CONTINUE THROUGH
MIDNIGHT...BUT WITH LITTLE OR NO ADDITIONAL ACCUMULATION.

$$

STRAUSS

What forecasters said that day

The local office's own words before this heavy snow 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 heavy snow warning went out at Dec 12, 2:51 PM EST, 1 hour earlier.

Area forecast discussion, Dec 12, 2:51 PM EST, 1 hour before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAUNTON MA
251 PM EST WED DEC 12 2007

.SYNOPSIS...
A FAST BUT POTENT MOVING SYSTEM WILL BRING A PERIOD OF HEAVY SNOW
THURSDAY AFTERNOON AND EVENING...WITH THE HIGHEST AMOUNTS EXPECTED
ALONG AND SOUTH OF THE MA TURNPIKE. A POWERFUL NOREASTER LOOKS TO
AFFECT THE REGION SATURDAY NIGHT INTO THE FIRST PART OF SUNDAY. THE
EXACT TRACK STILL REMAINS UNCERTAIN...BUT THE STORM WILL HAVE TO
POTENTIAL TO BRING HEAVY SNOW...WHICH MAY CHANGE TO RAIN ACROSS
PORTIONS OF THE REGION DEPENDING ON THE TRACK. IN ADDITION...THE
NOREASTER WILL BRING THE POTENTIAL FOR STRONG WINDS AND HIGH SEAS
OVER THE OPEN OCEAN.

&&

.NEAR TERM /UNTIL 6 AM THURSDAY/...

DESPITE THE COLD FRONT THROUGH MOST THE REGION WITH THE EXCEPTION
BEING SOUTHEAST MA...A BAND OF VERY LIGHT RAIN SHOWERS/SPRINKLES JUST
NORTHWEST OF BOSTON- PROVIDENCE AT 10 AM. THIS LIGHT PRECIP IS IN
RESPONSE TO SOME MID LEVEL LIFT BEHIND THE FRONT. HOWEVER...THIS IS
MOVING QUICKLY TO THE E-SE AND WILL EXIT THE COASTLINE BY 18Z.
THEREFORE WE WILL UPDATE THE FORECAST AND LOWER POPS AND JUST CALL IT
SPRINKLES FOR NOW.

CLEARING LINE AT 10 AM ACROSS NW MA INTO SOUTHERN NH AND MOVING E-SE.
THEREFORE AT LEAST PARTIAL SUNSHINE WILL DEVELOP THIS AFTERNOON FROM
NW TO SE.

AS FOR TEMPS...HIGHS HAVE OCCURRED ALREADY AND TEMPS WILL FALL THIS
AFTERNOON UNDER STRONG COLD ADVECTION BEHIND THE FRONT. IN
ADDITION...GUSTY NORTHWEST OF 20-30 MPH WITH GUSTS TO 40 MPH WILL
DEVELOP THIS AFTERNOON AS THE COLD AIR ADVECTION COMMENCES.

NEW 12Z NAM HANDLES THE ABOVE FEATURES WELL SO HAVE UPDATED THE
FORECAST BASED ON 12Z NAM

&&

.SHORT TERM /6 AM THURSDAY THROUGH 6 AM FRIDAY/...

*** GROWING CONFIDENCE ON A PERIOD OF HEAVY SNOW THU AFTERNOON AND
EVENING ***

MODELS CONVERGING ON A PERIOD OF HEAVY SNOW FOR MUCH OF THE REGION
THU AFTN AND EVENING...WITH MODEL QPF CONSENSUS OF 0.50 TO 0.90
INCHES ALONG AND SOUTH OF THE MASS PIKE. QPF LOWERS TO ABOUT 0.35
ACROSS SOUTHERN NH.  DURATION WILL BE BRIEF BUT SNOW WILL FALL
HEAVILY FOR A 3-5 HR PD FROM 21Z-02Z /EARLY TIME WEST LATER TIME
EAST/. UNFORTUNATELY TIMING OF HEAVIEST SNOW WILL COINCIDE WITH THE
LATE DAY/EVENING COMMUTE. THEREFORE...IF YOU HAVE THE FLEXIBILITY
TOMORROW IS A GREAT DAY TO LEAVE WORK OR SCHOOL AROUND LUNCH TIME.

AS FOR QPF DETAILS...SHORT DURATION AND SHORT WAVE TROF ACTUALLY
DEAMPLIFYING AS IT ENTERS CONFLUENT FLOW OVER THE NORTHEAST DOESN/T
FAVOR A LARGE QPF EVENT.  HOWEVER...ALL MODEL GUIDANCE INCLUDING THE
GFS/NAM/SREF/GEFS/ECMWF AND EVEN THE DUSTY NGM GENERATES AT LEAST 0.50
QPF ALONG AND SOUTH OF THE MA PIKE. GIVEN ALL THESE MODELS UTILZE
DIFFERENT CONVECTIVE SCHEMES AND INITAL CONDITIONS...WE FEEL
CONFIDENT ON MAGNITUDE AND PLACEMENT OF QPF.

THE CULPRIT FOR THE MODEST TO HEAVY QPF IS A SUBTROPICAL CONNECTION
ASSOCIATED WITH SHORT WAVE ENERGY EJECTING FROM MID LEVEL TROF OVER
THE FOUR CORNERS REGION. IN ADDITION...STRONG JET DYNAMICS ACROSS
SOUTHERN NEW ENGLAND WITH 70-80 KT MID LEVEL JET COMBINED WITH
IMPRESSIVE DIVERGENCE PER RRQ OF STRONG UPPER LEVEL JET. FURTHERMORE
BOTH NAM AND GFS INDICATE A LAYER OF INSTABILITY IN THE FORM OF
NEGATIVE EPV JUST ABOVE THE AREA OF FORCING. ALL OF THIS JUSTIFIES
MODEL QPF ACROSS THE AREA.

AS FOR THE MESO-SCALE FEATURES...BOTH NAM AND GFS ADVERTISE
STRONGEST FGEN FORCING AND GREATEST INSTABILITY OVERLAPPING 21Z-02Z
OVER CT/RI AND ALONG AND SOUTH OF I-90 IN MA...INCLUDING BOSTON.
THIS IS WHERE WE COULD SEE SNOWFALL RATES ON THE ORDER OF 1-3 INCHES
PER HOUR

NOW FOR THE UNCERTAINTIES...BOTH NAM AND GFS /GFS MORE ROBUST/
INDICATE MID LEVEL WARMING MAY BE SUFFICENT FOR SLEET TO MIX IN
ALONG THE SOUTH COAST INCLUDING CAPE COD AND ISLANDS.
HOWEVER...DESPITE THE POTENTIAL FOR SLEET MODELS INDICATE 4 TO 7
INCHES STILL POSSIBLE ACROSS THIS AREA ANYWAY. THEREFORE...GIVEN
UNCERTAINTY ON MID LEVEL WARMING...WE WILL CONTINUE THE WATCH FOR
COASTAL RI AND EXTENDED IT EAST INTO SOUTH COASTAL MA.

FARTHER NORTH WHERE COLUMN IS COMPLETELY SUBFREEZING...CONFIDENCE IS
HIGH FOR A SWATH OF 5 TO 10 INCHES ACROSS INTERIOR CT-NORTHERN RI
/INCLUDING PVD/ AND ALONG AND SOUTH OF I-90 IN MA...INCLUDING THE
GREATER BOSTON AREA. EXPECTING A FLUFFY/DRY SNOW HERE WITH SNOW
RATIOS OF 12-1 OR 15-1. GIVEN PTYPE WILL BE ALL SNOW...WE WILL HOIST
A HEAVY SNOW WARNING FOR THIS AREA.

NORTH OF THIS AREA...SPECIFICALLY NORTH OF THE MA PIKE INTO SOUTHERN
NH...BOTH MODELS GENERATING 0.35-0.45 QPF. IN ADDITION...SNOW GROWTH
IS IDEAL ACROSS THIS AREA.  GIVEN COLUMN IS VERY COLD SNOW RATIOS WILL
LIKELY BE 15-1 AND POSSIBLY 20-1. THEREFORE...4-7 INCHES IS POSSIBLE
ACROSS THIS AREA. HENCE...WILL POST A WINTER STORM WATCH FOR THIS
AREA /CONFIDENCE NOT HIGH ENOUGH FOR WARNING/.

HEAVY SNOW WILL TRANSITION TO LIGHT SNOW 6-8 PM WEST AND 7-9 PM
EAST...WITH ONLY FLURRIES THEREAFTER.

&&

.LONG TERM /FRIDAY THROUGH WEDNESDAY/...

FRIDAY THROUGH SATURDAY AFTERNOON...
DRY AND TRANQUIL WEATHER EXPECTED.  HIGHS GENERALLY IN THE UPPER 30S
TO NEAR 40 ON FRIDAY...UNDER PARTLY TO MOSTLY SUNNY SKIES.

A DRY COLD FRONT MOVES THROUGH FRIDAY NIGHT...BUT USHERS IN A QUITE
COLD AIRMASS.  LOWERED GUIDANCE A BIT WITH COLD ADVECTION AND
EXPECTED SNOW COVER.  LOWS MAINLY IN THE TEENS...TO LOW TO MID 20S
IN DOWNTOWN BOSTON AND PROVIDENCE.

ON SATURDAY...CLOUDS WILL BE ON THE INCREASE AND THAT COMBINED WITH
A COLD START PROMPTED US TO LOWER MEX GUIDANCE BY A FEW DEGREES.
HIGHS MAINLY IN THE 20S...TO POSSIBLY SOME LOWER 30S ON THE CAPE AND
ISLANDS.

SATURDAY NIGHT AND SUNDAY...
ALL MODELS CONTINUE TO INDICATE THAT A POWERFUL NOREASTER WILL
IMPACT THE REGION SATURDAY NIGHT INTO EARLY SUNDAY.  OPERATIONAL
MODELS CONTINUE TO INDICATE A BIT OF AN INLAND TRACK...ALTHOUGH A
BIT FURTHER EAST THEN YESTERDAY.  THIS WOULD MEAN HEAVY SNOW
CHANGING TO RAIN ACROSS AT LEAST THE COASTAL PLAIN.  HOWEVER...THE
GFS ENSEMBLES CONTINUE TO INDICATE A MORE EASTERLY TRACK WHICH WOULD
INDICATE MORE OF A SNOW EVENT ALONG THE COAST.  THE SOLUTIONS WILL
LIKELY BOUNCE A ROUND THE NEXT FEW DAYS SO NO POINT IN GETTING TO
FANCY.  BASED ON EXCELLENT MODEL AGREEMENT HAVE GONE WITH LOW END
CATEGORICAL POPS SATURDAY NIGHT.  IN ADDITION...THE POTENTIAL EXISTS
FOR STRONG WINDS ALONG THE COAST.  FORTUNATELY...ASTRONOMICAL HIGH
TIDE IS ONLY 9.5 FEET AT BOSTON SO THAT MAY SPARE US MODERATE
COASTAL FLOODING...BUT ITS STILL TOO EARLY TO RULE IT OUT.

LOOKS LIKE THE STORM WILL WIND DOWN ON SUNDAY...AND MUCH COLDER AND
DRIER AIR WILL WORK INTO THE REGION.

MONDAY AND TUESDAY...
DRY BUT WELL BELOW NORMAL TEMPERATURES EXPECTED WITH A VERY COLD
NORTHWEST FLOW.  LOWS MAY BE NEAR 0 OR EVEN BELOW ACROSS THE
NORMALLY COLDER LOCATIONS OF NORTHWEST MA AND SOUTHWEST NH...WITH
THE REST OF THE REGION SEEING LOWS BETWEEN 5 AND 15 ABOVE.  HIGHS
MAY ONLY TOP OUT IN THE 20S TO NEAR 30

&&

.AVIATION /20Z WEDNESDAY THROUGH MONDAY/...
VFR CONDITIONS EXPECTED THROUGH MOST OF THE TAF VALID PERIOD BUT IFR
MAY DEVELOP FROM CT VALLEY TO KORH/KPVD 16-18Z THU AS SNOW
OVERSPREADS THE REGION. SNOW WILL LIKELY HOLD OFF TIL SHORTLY AFTER
18Z KBOS/KMHT/KACK/KHYA.

BAND OF MID CLOUDS WILL CLEAR THE SOUTH COAST BY 21Z AND
AREAS OF SCT-BKN CU ACROSS NW ZONES WILL ALSO DISSPIATE THIS
AFTERNOON LEAVING MAINLY CLEAR SKIES. W/NW WINDS WILL BE AN ISSUE
THROUGH THE AFTERNOON WITH GUSTS 25 TO 35 KT POSSIBLE. WINDS WILL
SUBSIDE THIS EVENING.

CLEAR SKIES THIS EVENING WILL GIVE WAY TO INCREASING HIGH CLOUDS
LATE TONIGHT. CIGS WILL GRADUALLY LOWER DURING THU MORNING...WITH
CONDITIONS POSSIBLY DETERIORATING TO VLIFR AFT 18Z AS HEAVIER SNOW
SPREADS FROM WEST TO EAST ACROSS THE REGION. THE GREATEST PROBABILITY
OF THE HEAVIEST SNOW WITH VSBYS 1/2SM OR LESS WILL LIKELY BE ALONG
AND SOUTH OF THE MASS PIKE. SOME SLEET IS POSSIBLE ALONG THE
IMMEDIATE SOUTH COAST.

OUTLOOK...THURSDAY NIGHT THROUGH MONDAY...
LOW CLOUDS MAY HANG TOUGH THURSDAY NIGHT EVEN AFTER THE SNOW TAPERS
OFF. CONDITIONS SHOULD IMPROVE TO VFR ON FRIDAY CONTINUING INTO
SATURDAY AFTERNOON.

A POWERFUL NOREASTER WILL LIKELY BRING A PERIOD OF IFR OR LOWER
CONDITIONS AS WELL AS STRONG WINDS TO THE COAST SATURDAY NIGHT INTO
AT LEAST PART OF SUNDAY...BEFORE DRIER AIR WORKS IN BEHIND THE STORM.

&&

.MARINE...
SMALL CRAFT CONDITIONS WILL CONTINUE THIS MORNING...ESPECIALLY ALONG
THE SOUTHERN WATERS. STRONG 60 KNOT WINDS WILL BE BLASTING 2000 FEET
OVERHEAD IN THAT AREA...AND SO WINDS SHOULD BE IN THE 25 TO 30 KNOT
RANGE FOR A TIME THIS MORNING. AFTER A COLD FRONT MOVES THROUGH THIS
MORNING...WINDS WILL SWING AROUND TO WEST AND NORTHWEST. COLDER AIR
MOVES IN DURING THE AFTERNOON AND THE RESULTING MIXING SHOULD BRING
WIND GUSTS NEAR GALE STRENGTH ACROSS MOST OF OUR OUTER-WATERS AS
WELL AS MANY OF OUR EASTERN SOUNDS AND BAYS.

WINDS AND SEAS DIMINISH TONIGHT AS HIGH PRESSURE BUILDS IN.

IN THE LONGER TERM...THURSDAY THROUGH SUNDAY...

A PERIOD OF STRONG SCA TO MARGINAL GALE FORCE WINDS FROM THE
NORTHEAST ARE EXPECTED EARLY THURSDAY EVENING OVER OUR OUTER-WATERS
AS A WAVE OF LOW PRESSURE PASS SOUTH OF THE REGION.

WINDS SHOULD DIMINISH A BIT LATE THURSDAY NIGHT INTO FRIDAY
AFTERNOON.  HOWEVER...A COLD FRONT WILL BRING A ROUND OF STRONG SCA
TO MARGINAL NORTHWEST GALE FORCE WIND GUSTS FRIDAY NIGHT INTO EARLY
SATURDAY.

A POWERFUL NOREASTER WILL BRING THE POTENTIAL FOR VERY HIGH SEAS AND
STORM FORCE WINDS TO THE REGION SATURDAY NIGHT INTO SUNDAY.  STILL A
LOT OF UNCERTAINTY...BUT WE WILL GO AHEAD AND ISSUE A MARINE WEATHER
STATEMENT TO HIGHLIGHT THIS POTENTIAL.

&&

.BOX WATCHES/WARNINGS/ADVISORIES...
CT...HEAVY SNOW WARNING FROM 1 PM TO 11 PM EST THURSDAY FOR
     CTZ002>004.
MA...WINTER STORM WATCH FROM THURSDAY AFTERNOON THROUGH THURSDAY
     EVENING FOR MAZ002>007-014-020>024-026.
     HEAVY SNOW WARNING FROM 1 PM TO 11 PM EST THURSDAY FOR
     MAZ008>013-015>019.
NH...WINTER STORM WATCH FROM THURSDAY AFTERNOON THROUGH THURSDAY
     EVENING FOR NHZ011-012-015.
RI...WINTER STORM WATCH FROM THURSDAY AFTERNOON THROUGH THURSDAY
     EVENING FOR RIZ006>008.
     HEAVY SNOW WARNING FROM 1 PM TO 11 PM EST THURSDAY FOR
     RIZ001>005.
MARINE...GALE WARNING UNTIL 7 PM EST THIS EVENING FOR ANZ230>234-255.
     SMALL CRAFT ADVISORY UNTIL 2 AM EST THURSDAY FOR ANZ235>237.
     GALE WARNING UNTIL 1 AM EST THURSDAY FOR ANZ250-254.

&&

SYNOPSIS...FRANK
NEAR TERM...NOCERA
SHORT TERM...NOCERA - UPDATED 252 PM
LONG TERM...FRANK
AVIATION...KJC/NOCERA/FRANK
MARINE...WTB/FRANK
Hazardous weather outlook, Dec 12, 4:19 AM EST, 11 hours 32 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAUNTON MA
419 AM EST WED DEC 12 2007

MAZ002>024-026-NHZ011-012-015-130930-
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-
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-NORTHERN MIDDLESEX MA-CHESHIRE NH-
EASTERN HILLSBOROUGH NH-WESTERN AND CENTRAL HILLSBOROUGH NH-
419 AM EST WED DEC 12 2007

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

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

A FAST MOVING LOW PRESSURE SYSTEM WILL BRING ACCUMULATING SNOW TO THE
REGION THURSDAY AFTERNOON AND EVENING. CURRENT INDICATIONS ARE THAT SNOW
WILL OVERSPREAD THE INTERIOR BY MID AFTERNOON...REACHING THE COASTAL
PLAIN BY LATE AFTERNOON.

THE EXACT TRACK OF THIS SYSTEM STILL REMAINS UNCERTAIN...BUT OUR BEST
ESTIMATE IS FOR THE POTENTIAL OF 2 TO 4 INCHES OF SNOW NORTH OF THE
MASSACHUSETTS TURNPIKE. TO THE SOUTH OF THE MASSACHUSETTS
TURNPIKE...THE POTENTIAL FOR 3 TO 7 INCHES OF SNOW EXISTS WITH THE
HIGHER AMOUNTS EXPECTED NEAR THE SOUTH COAST. THERE IS ALSO THE
POTENTIAL FOR THE SNOW TO MIX WITH SLEET AND RAIN FOR A TIME ACROSS
CAPE COD AND THE ISLANDS...BUT THAT WILL BE DETERMINED BY THE EXACT TRACK.

THIS LOOKS TO BE A SHORT DURATION BUT HIGH IMPACT EVENT.  WE ARE
CONCERNED THAT THE SNOW WILL BE FALLING QUITE HEAVILY SOUTH OF THE
MASSACHUSETTS TURNPIKE DURING THE THURSDAY EVENING RUSH HOUR.

A POWERFUL NOREASTER LOOKS TO IMPACT THE REGION SATURDAY NIGHT INTO
THE FIRST PART OF SUNDAY. HOWEVER...THE TRACK OF THE SYSTEM REMAINS
UNCERTAIN WHICH WILL IMPACT THE TYPE OF PRECIPITATION WE RECEIVE.

THIS STORM HAS THE POTENTIAL TO BRING HEAVY SNOW OR SNOW CHANGING TO
HEAVY RAIN DEPENDING ON THE EXACT TRACK. IN ADDITION...THE STORM MAY
BRING STRONG WINDS TO THE COAST AND HIGH SEAS TO THE MARINE
COMMUNITY. ASTRONOMICAL TIDES ARE NOT THAT HIGH ON SUNDAY...SO THE
POTENTIAL FOR MODERATE COASTAL FLOODING LOOKS LOW BUT IT WILL STILL
NEED TO BE WATCHED.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

CTZ002>004-RIZ001>008-130930-
HARTFORD CT-TOLLAND CT-WINDHAM CT-NORTHWEST PROVIDENCE RI-
SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-EASTERN KENT RI-BRISTOL RI-
WASHINGTON RI-NEWPORT RI-BLOCK ISLAND RI-
419 AM EST WED DEC 12 2007

...WINTER STORM WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
THURSDAY EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN
CONNECTICUT...NORTHERN RHODE ISLAND AND SOUTHERN RHODE ISLAND.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

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

   WINTER STORM WATCH.

A POWERFUL NOREASTER LOOKS TO IMPACT THE REGION SATURDAY NIGHT INTO
THE FIRST PART OF SUNDAY. HOWEVER...THE TRACK OF THE SYSTEM REMAINS
UNCERTAIN.

THIS STORM HAS THE POTENTIAL TO BRING HEAVY SNOW OR SNOW CHANGING TO
HEAVY RAIN DEPENDING ON THE EXACT TRACK. IN ADDITION...THE STORM MAY
BRING STRONG WINDS TO THE COAST AND HIGH SEAS TO THE MARINE
COMMUNITY. ASTRONOMICAL TIDES ARE NOT THAT HIGH ON SUNDAY...SO THE
POTENTIAL FOR MODERATE COASTAL FLOODING LOOKS LOW BUT IT WILL STILL
NEED TO BE WATCHED.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

ANZ232-255-130930-
NANTUCKET SOUND-
COASTAL WATERS FROM MONTAUK NY TO BLOCK ISLAND RI TO MARTHAS
VINEYARD MA TO NANTUCKET MA SOUTHEAST TO 20 NM-
419 AM EST WED DEC 12 2007

...GALE WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM EST THIS
EVENING...

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...THURSDAY THROUGH TUESDAY

MARGINAL GALE FORCE WIND GUSTS ARE POSSIBLE FOR A FEW HOURS ACROSS
THE OUTER-WATERS THURSDAY NIGHT AND AGAIN FRIDAY NIGHT INTO EARLY SATURDAY.

THE POTENTIAL EXISTS FOR A POWERFUL NOREASTER TO BRING STORM FORCE
WIND GUSTS AND HIGHS SEAS SATURDAY NIGHT THROUGH SUNDAY NIGHT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

ANZ230-231-233>237-130930-
BOSTON HARBOR-CAPE COD BAY-VINEYARD SOUND-BUZZARDS BAY-
RHODE ISLAND SOUND-NARRAGANSETT BAY-BLOCK ISLAND SOUND-
419 AM EST WED DEC 12 2007

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...THURSDAY THROUGH TUESDAY

THE POTENTIAL EXISTS FOR A POWERFUL NOREASTER TO BRING STORM FORCE
WIND GUSTS AND HIGHS SEAS SATURDAY NIGHT THROUGH SUNDAY NIGHT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

ANZ250-254-130930-
COASTAL WATERS FROM MERRIMACK RIVER MA OUT 25 NM TO PLYMOUTH MA OUT
40 NM...INCLUDING THE STELLWAGEN BANK NATIONAL MARINE SANCTUARY-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
419 AM EST WED DEC 12 2007

...GALE WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 1 AM EST
THURSDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR MASSACHUSETTS 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...THURSDAY THROUGH TUESDAY

MARGINAL GALE FORCE WIND GUSTS ARE POSSIBLE FOR A FEW HOURS ACROSS
THE OUTER-WATERS THURSDAY NIGHT AND AGAIN FRIDAY NIGHT INTO EARLY SATURDAY.

THE POTENTIAL EXISTS FOR A POWERFUL NOREASTER TO BRING STORM FORCE
WIND GUSTS AND HIGHS SEAS SATURDAY NIGHT THROUGH SUNDAY NIGHT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

FRANK

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 12, 3:17 AM ESTWinter Storm WatchBOXBarnstable, Bristol, Dukes, Essex, Franklin, Middlesex and 3 more25 hr
Dec 12, 5:20 AM ESTMarine Weather StatementBOX5 days

Nearby

Heavy Snow Warnings in Massachusetts, 2007Heavy Snow Warnings in Rhode Island, 2007Heavy Snow Warnings in New Hampshire, 2007Every heavy snow warning in 2007

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.