Massachusetts, 2014

Debris Flow and Flooding in Massachusetts, December 9 to 10, 2014

December 9 to 10, 2014 · NWS BOX · 16 events in 8 counties and zones

A strong coastal storm brought wintry precipitation, heavy rain, and strong winds to much of southern New England. A mix of precipitation brought freezing drizzle, snow, and sleet to northwestern portions of the area while heavy rain was widespread across southeastern Massachusetts and Rhode Island, as well as portions of northern Connecticut.

Where it happened

Every event with a place to put it; 6 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
$125,000
Crop damage
None recorded
Events
16

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS BOX wrote it up.

A strong coastal storm brought wintry precipitation, heavy rain, and strong winds to much of southern New England. A mix of precipitation brought freezing drizzle, snow, and sleet to northwestern portions of the area while heavy rain was widespread across southeastern Massachusetts and Rhode Island, as well as portions of northern Connecticut.

What forecasters said that day

The local office's own words before the first event, 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 the first event at Dec 9, 7:21 AM EST, 1 hour 15 minutes earlier.

Area forecast discussion, Dec 9, 7:21 AM EST, 1 hour 15 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAUNTON MA
721 AM EST TUE DEC 9 2014

.SYNOPSIS...
A SIGNIFICANT COASTAL STORM WILL IMPACT THE REGION TODAY WITH
WINTRY PRECIPITATION AND HEAVY RAIN...ALONG WITH STRONG TO
DAMAGING WINDS. LEFTOVER LIGHT SNOW AND RAIN SHOWERS WILL PERSIST
WEDNESDAY AND THURSDAY. SLOW IMPROVEMENT IS EXPECTED FRI INTO THIS
WEEKEND.

&&

.NEAR TERM /THROUGH TONIGHT/...

720 AM UPDATE...

TWEAKED TEMPERATURES AND PRECIPITATION TIMING THIS MORNING.
TEMPERATURES WILL BE CRUCIAL TO DETERMINING HOW MUCH ICING OCCURS
THIS MORNING. ISSUED A SPECIAL WEATHER STATEMENT EARLIER TO
ADDRESS THIS DURING THE MORNING COMMUTE. BEYOND THAT...FORECAST
REMAINS LARGELY ON TRACK.

PREVIOUS DISCUSSION...

* HIGHLIGHTS...

 - WINTRY PRECIPITATION TYPES ERODING WITH TIME TO THE N/W
 - SNOW / ICE ACCUMULATIONS REMAIN AT WINTER-WX-ADVISORY LEVELS
 - HEAVY RAIN OF 2-3 INCHES LENDING TO POSSIBLE FLOODING
 - STRONG TO DAMAGING E-WINDS YIELDING WIND ADV HEADLINES

* SYNOPTICALLY...

PRESENT OFFSHORE LOW OFF THE MID-ATLANTIC CONUS BECOMES USURPED BY
AN AMPLIFYING TROUGH DIGGING THROUGH THE E-CONUS. ACROSS A REGION OF
FAVORABLE BAROCLINICITY / ATTENDANT DYNAMICS / STRONG FORCING AND
DEEP-LAYER ASCENT YIELDS A RAPIDLY DEEPENING AREA OF LOW PRESSURE
OFF THE DELMARVA PENINSULA THIS MORNING LIFTING N INTO S NEW ENGLAND
BY EVENING. THE LOW BECOMES STALLED AND CUTOFF FROM THE MEAN FLOW UP
AGAINST HIGH PRESSURE ON NEARLY ALL SIDES AS WE GO INTO THE WEEK.

* HEAVY RAIN AND FLOODING...

INTERROGATING DEEPER...AS THE LOW DEEPENS...EXPECT DECENT LOW-LEVEL
TROWALING OF THE WARM-CONVEYER-BELT BENEATH THE RRQ/LFQ OF
ATTENDANT UPPER-LEVEL JET AXES. COMBINATION OF THE CONVERGENT
LEADING NOSE OF ISENTROPIC UPSLOPE LENDING TO THE TIGHTENING OF
THE THERMAL GRADIENT AGAINST NEIGHBORING HIGH PRESSURE YIELDING
STRONG FRONTOGENETICAL FORCING IN A REGION OF MINOR -EPV
INSTABILITY BENEATH AFOREMENTIONED DEEP-LAYER ASCENT LIKELY TO
RESULT IN A ROUGHLY W-E BANDING SETUP OF HIGHER WSR-88D RETURNS
WITHIN A WIDESPREAD COMMA-SHAPED PRECIP FIELD ALONG THE
N-PERIPHERY OF THE H85 LOW WITH THE FRONT-END THUMP OF PRECIP
ANTICIPATED AROUND MIDDAY AND PERSISTING INTO EARLY EVENING.
WHEW...DEEP BREATH. FEEL THE HRRR SIMULATED RADAR TRENDS ARE
SHOWING THIS QUITE WELL.

WILL EXPAND THE FLOOD WATCH TO INCLUDE CAPE COD AND NANTUCKET.

WITH HEIGHT OF THE E/NE-WINDS AND HEAVY RAIN CONCURRENT WITH TIMING
OF HIGH TIDE CENTERED AROUND 1 PM BELIEVE SURGE ALONG WITH BUILDING
WAVE HEIGHTS /SEE THE MARINE DISCUSSION BELOW FOR MORE DETAILS/ WILL
RESULT IN POOR-DRAINAGE ISSUES FOR COASTAL COMMUNITIES. ANTICIPATE
DRAINS TO BACK-UP BECOMING OVER-TOPPED RESULTING IN SUSCEPTIBLE LOW-
LYING AND POOR-DRAINAGE AREAS TO BECOME FLOODED.

AM ALSO CONCERNED FOR EVEN THOSE COMMUNITIES WITHIN THE COASTAL
PLAIN IN VICINITY OF RIVERS THAT ARE INFLUENCED BY THE TIDE /I.E.
TAUNTON RIVER...LOWER CONNECTICUT/. COULD ALSO SEE SOME EXACERBATED
FLOOD ISSUES FOR THESE AREAS.

OTHERWISE REMAINDER OF THE FLOOD WATCH REMAINS IN PLACE. PWATS OF
1.25-INCHES FORECAST /ROUGHLY +2 STANDARD DEVIATIONS ABOVE-NORMAL/
AND FORECAST RAINFALL AMOUNTS OF 2-3 INCHES WITH LOCALLY HIGHER
AMOUNTS ANTICIPATED. GROUND IS PRETTY SOLID /IMPERVIOUS/ THUS EXPECT
MOST OF THE RAINFALL TO BECOME RUNOFF. MAJORITY OF MAINSTEM RIVERS
OVER THE INTERIOR SHOULD BE ABLE TO HANDLE THE RAIN...SO CONCERNS
LIE IN THE REALM OF URBAN / POOR DRAINAGE FLOODING...ESPECIALLY IF
DRAINS ARE STILL LEAF-CLOGGED. BIGGEST AREA OF CONCERN IS WITHIN THE
METRO-AREA CORRIDORS...ESPECIALLY BOSTON-PROVIDENCE. MAY NEED TO
EXPAND THE WATCH ACROSS N-CENTRAL AND NW MA PENDING THE TIMING AT
WHICH WINTRY-PRECIP TYPES TRANSITION TO RAIN.

* WINTRY PRECIPITATION...

OUTCOMES DEPENDENT ON THERMAL FIELDS ALOFT...WHERE AROUND H925-H85
BY MORNING CONDITIONS ARE WARMING CONSIDERABLY UP AGAINST COLDER AIR
AND HIGH PRESSURE SITUATED N/W. A SW-NE FREEZING LINE AROUND NW-CT
INTO S NH INITIALLY MODIFIES NW AS THE LOW DEEPENS RESULTING IN THE
INCREASE OF THE SE WARM-MOIST-CONVEYER-BELT. EXPECT THICKNESSES
TO GRADUALLY RISE DURING THE HEIGHT OF THE EVENT INTO EVENING.

AT THE SURFACE...AREAS BELOW FREEZING ERODE WITH INCREASING ONSHORE
E/NE-WINDS DURING THE MORNING /MORE ON THAT LATER/. UNCERTAINTY
CONTINUES WITH 09.0Z HIGH-RES MODELS DIFFERING IN TIMING OF EROSION.
AS MENTIONED IN PRIOR DISCUSSIONS...FOR AREAS THAT ARE WITHIN OR
ON THE CUSP OF BELOW-FREEZING TEMPERATURES BY 1-2C...LINGERING AN
HOUR OR TWO MORE OR LESS CAN MAKE ALL THE DIFFERENCE WITH REGARDS
TO WINTER-WEATHER HEAD-LINES. H975-925 AGEOSTROPHIC FLOW IS
NOTABLY PERSISTENT AND STRONG OUT OF THE W AS THE LOW INTENSIFIES
TOWARDS S NEW ENGLAND. BUT NOT MUCH OF A N-COMPONENT NOR FROM
ARCTIC-SOURCE REGIONS...SO BELIEVE THIS WILL DO LITTLE TO MAINTAIN
/ PERSIST COLD AIR OVER THE REGION AGAINST STRONG ONSHORE E-FLOW.

WILL GO CLOSE TO THE NEAR-TERM HIGH-RES GUIDANCE WHILE INCORPORATING
THE WRF-NMM WITH REGARDS TO THERMAL FIELDS...WHICH ARE HANDLING THE
SURFACE TEMPERATURES DECENTLY. PREFERENCE TO THE 09.0Z ECMWF IS ALSO
GIVEN ESPECIALLY WHEN EVALUATING H100-H85 THICKNESSES. ONLY WRF-ARW
AND RAP LEAN ON THE WARM SIDE OF THE GUIDANCE OVER ALL OTHERS.
ALSO WILL GO WITH A TOP-DOWN APPROACH TOWARDS PRECIPITATION-TYPE
THAT INCORPORATES THE INCREASING MOISTURE FROM THE S WITHIN OR
ABOVE THE DENDRITIC GROWTH ZONE REGION.

SO OVERALL...EXPECTING THE GRADUAL EROSION OF THE COASTAL-FRONT WITH
INCREASING ONSHORE E-FLOW. PUSH OF WARMER AIR ALOFT AHEAD OF THE
DEEPENING LOW WILL RESULT IN PRECIP-TYPE TRANSITION FAIRLY QUICKLY
TO A SLEET / FREEZING RAIN MIX. THIS HAS SUBSEQUENTLY BUMPED DOWN
SNOWFALL AMOUNTS RESULTING IN A RANGE OF 2-4 INCHES ACROSS NW MA.
MOST OF THE REGION CHANGES OVER TO RAIN BY LATE MORNING INTO MIDDAY
WITH ONLY THE HIGHER ELEVATIONS OF THE BERKSHIRES CONTINUALLY UNDER
THE THREAT OF FREEZING RAIN.

HAVE DROPPED WINTER-STORM WATCHES AND REPLACED WITH WINTER WEATHER
ADVISORIES. HAVE TRIMMED THE EASTERN-EXTENT WITH EROSION OF THE
COASTAL FRONT AND THE SURGE OF WARMER AIR ONSHORE. AGAIN...THE
THERMAL FIELDS DISCUSSION ABOVE GIVE AN INDICATION OF PREFERRED
MODEL GUIDANCE. SHOULD SEE WINTER WEATHER HEADLINES DROP MAINLY
AROUND THE MIDDAY HOURS.

MID-LEVEL DRY-SLOT WRAPPING INTO A DEVELOPING OCCLUSION BEGINNING
TUESDAY EVENING SHOULD RESULT IN A LULL OF PRECIPITATION AS WE GO
INTO WEDNESDAY MORNING.

* STRONG TO DAMAGING WINDS...

NOTING E-WINDS 1-2 KFT AGL WILL BE AROUND 55 MPH AROUND THE MIDDAY
INTO AFTERNOON HOURS...THE PRESENCE OF WARMER AIR ALOFT LENDING TO
AN INVERSION JUST ABOVE THE SURFACE MAKES IT DIFFICULT TO CONSIDER A
HIGH WIND WARNING. THIS DESPITE WARMER AIR WIGGLING ITS WAY UP FROM
THE S AT THE SURFACE...AND A WARMER OCEAN /THOUGH NOW AROUND THE LOW-
50S/. BOUNDARY-LAYER MIXING WILL BE LIMITED. HIGH-END WIND ADVISORY
CRITERIA IS EXPECTED...BUT DO NOT EXPECT WIDESPREAD GUSTS EXCEEDING
HIGH WIND WARNING CRITERIA. THUS WENT WITH THE WIND ADVISORY.

COULD PRECIPITATION-DRAG PROCESSES BRING FASTER MOMENTUM TO THE
SURFACE? YES...IT IS QUITE POSSIBLE...EVEN IF THUNDERSTORMS ARE IN
THE MIX WHICH IS IN THE FORECAST FOR THE FAR SE-WATERS ADJACENT TO
THE CAPE AND ISLANDS. HAVE GONE WITH THE HEADLINES THAT CONVEY THE
HIGHEST CONFIDENCE.

* COASTAL FLOODING...

SEE TIDES/COASTAL FLOODING SECTION BELOW FOR DETAILS.

&&

.LONG TERM /WEDNESDAY THROUGH MONDAY/...
HIGHLIGHTS...

 * LINGERING RAIN/SNOW SHOWERS INTO THU AS CLOSED LOW SLOWLY EXITS
 * IMPROVING CONDITIONS FRI INTO THIS WEEKEND

DECENT MODEL AGREEMENT BOTH AT THE SURFACE AND ALOFT WEDNESDAY
INTO FRIDAY. MORE SIGNIFICANT DIFFERENCES ARISE FRIDAY NIGHT INTO
EARLY NEXT WEEK. AS SUCH...FAVORED A CONSENSUS BLEND TO UPDATE
THIS PORTION OF THE FORECAST. THIS WAS TO SMOOTH OVER THE MINOR
DIFFERENCES INTO FRIDAY...AS WELL AS MINIMIZE ERROR AFTER THAT
POINT.

CLOSED LOW WILL BE SLOW TO EXIT NEW ENGLAND...AND 09/00Z GUIDANCE
MODELS CONTINUE TO SHOW A DEEP UPPER LOW OVER NORTHERN NEW ENGLAND
FINALLY MOVING OUT TO SEA SATURDAY NIGHT. ONE OF THE PRIMARY
ISSUES WITH THIS FORECAST WILL BE THE AMOUNT OF MOISTURE
AVAILABLE. THINKING THERE WILL BE ENOUGH TO KEEP SKIES MOSTLY
CLOUD INTO FRIDAY NIGHT. HOW MUCH WILL BE LEFTOVER TO US IN
GENERATING PRECIPITATION IS ANOTHER MATTER. CONTINUED THE PREVIOUS
FORECAST OF A GRADUAL DRYING OUT PROCESS FRIDAY INTO SATURDAY.
HIGH PRESSURE SHOULD BE IN CONTROL OF OUR WEATHER SUNDAY INTO
MONDAY.

NEAR OR SLIGHTLY BELOW NORMAL TEMPERATURES EXPECTED THROUGH THIS
PERIOD.

&&

.AVIATION /12Z TUESDAY THROUGH SATURDAY/...
FORECASTER CONFIDENCE LEVELS...

LOW...LESS THAN 30 PERCENT.
MODERATE...30 TO 60 PERCENT.
HIGH...GREATER THAN 60 PERCENT.

SHORT-TERM /THROUGH WEDNESDAY MORNING/...

12Z UPDATE...

TODAY INTO TONIGHT...MODERATE CONFIDENCE.

MIX OF MVFR-IFR CIGS / VSBYS WITH MAINLY +RA. AN ISOLATED TSRA IS
POSSIBLE FOR FAR SE-COASTAL TERMINALS. OTHERWISE GRADUAL EROSION
TO N/W OF FZRA/PL/SN INTO THE EARLY-AFTERNOON HOURS DURING WHICH
TIME WINDS WILL INCREASE OUT OF THE E WITH STRONGEST GUSTS ALONG
THE E-SHORELINE MAINLY AROUND 40 KT WITH LOCALLY HIGHER GUSTS UP
TO 50 KT. WILL ALSO SEE AN ACCOMPANYING LLWS THREAT WITH WINDS
AROUND 2 KFT AGL OUT OF THE E AROUND 60 KTS.

KBOS TERMINAL...MODERATE CONFIDENCE.

FEEL CONFIDENT WITH TRENDS BUT NOT SO MUCH WITH SPECIFICS. HIGH
CONFIDENCE OF CONTINUED +RA WITH INCREASING E-WINDS. GUSTS UP TO
40 KT ANTICIPATED TOWARDS THE MIDDAY HRS. WIND ADVISORY LENDING
TO ISSUANCE OF AIRPORT WEATHER WARNING.

KBDL TERMINAL...MODERATE CONFIDENCE.

FZRA PERSISTING INTO THE EARLY-MORNING HOURS...THEN CHANGING OVER
TO RAIN. NOT ABSOLUTELY CERTAIN ON TIMING BUT CONFIDENT WITH
TRENDS.

OUTLOOK...WEDNESDAY THROUGH SATURDAY...

WEDNESDAY THROUGH THURSDAY...MODERATE CONFIDENCE. MVFR/IFR IN
SCATTERED RAIN OR SNOW SHOWERS.

FRIDAY...MODERATE CONFIDENCE. MVFR IN ISOLATED RAIN/SNOW SHOWERS.

SATURDAY...MODERATE CONFIDENCE. VFR.

&&

.MARINE...
FORECASTER CONFIDENCE LEVELS...

LOW...LESS THAN 30 PERCENT.
MODERATE...30 TO 60 PERCENT.
HIGH...GREATER THAN 60 PERCENT.

SHORT TERM /THROUGH TUESDAY/...HIGH CONFIDENCE.

5 AM UPDATE...

BASED ON FORECAST CONFIDENCE...HAVE GONE WITH STORM WARNINGS FOR
THE OUTER WATERS WITH THE EXPECTATION OF GUSTS AROUND 45-50 KT.
BUT GREATER CONFIDENCE OF THE INNER-WATERS REACHING HIGH-END GALE
WARNING CRITERIA PERMITTED THE DISCONTINUING OF THE STORM WATCH.
CAN NOT RULE OUT AN ISOLATED GUST UP TO 50 KTS OVER THE INNER-
WATERS...BUT WITH IT NOT ANTICIPATED TO BE WIDESPREAD...KEPT WITH
GALE WARNINGS. STRONGEST E-WINDS OCCURRING TOWARDS THE MIDDAY AND
CONTINUING INTO THE EARLY EVENING HOURS.

SEAS BUILDING 15 TO 20 FEET WITH INCREASING E-WINDS AHEAD OF A
DEEPENING AREA OF LOW PRESSURE OF THE DELMARVA PENINSULA PRESENTLY
AS IT LIFTS N INTO S NEW ENGLAND TOWARDS THIS EVENING. EXPECT
ACCOMPANYING HEAVY RAIN WHICH WILL YIELD VISIBILITY RESTRICTIONS
ON THE WATERS.

OUTLOOK...WEDNESDAY THROUGH SATURDAY...

WEDNESDAY THROUGH THURSDAY...MODERATE CONFIDENCE.

SMALL CRAFT ADVISORIES WILL LIKELY NEED TO CONTINUE THROUGH
THURSDAY NIGHT ACROSS THE OCEAN-EXPOSED COASTAL WATERS...MAINLY
DUE TO ROUGH SEAS. THERE COULD ALSO BE SOME WEST/SOUTHWEST GUSTS
UP TO 25 KT AS WELL. ALSO SHOULD SEE LEFTOVER SCATTERED RAIN/SNOW
SHOWERS.

FRIDAY INTO SATURDAY...MODERATE CONFIDENCE.

SLOW IMPROVEMENT CONTINUES WITH DIMINISHING WINDS AND SEAS. SEAS
SHOULD FINALLY DROP BELOW 5 FT ACROSS ALL BUT THE OUTERMOST
COASTAL WATERS FRI EVENING...THEN REMAIN BELOW SMALL CRAFT
ADVISORY THRESHOLDS ACROSS ALL WATERS SATURDAY.

&&

.HYDROLOGY...
STORM-TOTAL RAINFALL AMOUNTS OF 2-3 INCHES WITH LOCALLY HIGHER
AMOUNTS EXPECTED THROUGH WEDNESDAY MORNING.

WITH A HARDENED GROUND BY ALL THE RECENT COLD WEATHER...AND THE
COMBINED THREAT OF BOTH LEAF-CLOGGED DRAINS AND THE HIGH TIDE
ALONG THE E-SHORELINE AROUND MIDDAY...HAVE EXPANDED THE FLOOD
WATCH FOR CAPE COD AND NANTUCKET AND CONTINUED THE WATCH OVERALL
WITH THE THREAT OF URBAN AND POOR-DRAINAGE FLOODING. SMALLER
STREAMS AND RIVERS ESPECIALLY ALONG THE COAST COULD SEE FLOODING
AS HIGH TIDE AND SUBSEQUENT SURGE VIA E-WINDS LIMITS DRAINAGE TO
THE OCEAN. RIVERS CONSEQUENTIALLY BACK-FILLING.

MAIN AREA OF FOCUS IS ON AREAS AROUND THE I-95 CORRIDOR AND
TOWARDS THE S/E. WILL ALSO NEED TO KEEP AN EYE OUT FOR THE
POSSIBILITY OF ISOLATED THUNDERSTORMS OVER THE FAR SE WHICH COULD
YIELD LOCALIZED HEAVY RAIN.

LATEST NERFC GUIDANCE BRINGS LOWER CT RIVER AT MIDDLE HADDAM TO
ACTION STAGE...WHICH IS PRIMARILY BASED ON SURGE OF 2 FT INTO
LOWER CT RIVER. WE MAY ALSO SEE SIMILAR SURGE ALONG PAWCATUCK
RIVER NEAR WESTERLY RI WHICH COULD BRING RISES SLIGHTLY HIGHER
THAN CURRENTLY FORECAST.

&&

.TIDES/COASTAL FLOODING...
COASTAL FLOOD ADVISORY CONTINUES FOR EASTERN MA. COMBINATION OF
WINDS / SEAS / SURGE OF AROUND 1.5 TO 2 FEET DURING THE MIDDAY
HIGH-TIDE YIELDS THE LIKELIHOOD OF OBSERVING MINOR COASTAL
FLOODING AND BEACH EROSION FOR E-FACING SHORELINES WHERE SEAS OF
12 TO 15 FEET ARE POSSIBLE.

AS NOTED IN THE HYDROLOGY PORTION ABOVE...LOCAL STREAMS AND
TRIBUTARIES EMPTYING INTO THE SEA COULD SEE BACK-FILLING ISSUES AS
THE HEAVY RAIN IS ANTICIPATED DURING THE TIME OF HIGH-TIDE. COULD
SEE FLOODING ISSUES EXACERBATED FOR EASTERN MA SHORELINE
COMMUNITIES.

&&

.BOX WATCHES/WARNINGS/ADVISORIES...
CT...FLOOD WATCH THROUGH LATE TONIGHT FOR CTZ002>004.
     WINTER WEATHER ADVISORY UNTIL 11 AM EST THIS MORNING FOR
     CTZ002>004.
MA...WIND ADVISORY UNTIL 10 PM EST THIS EVENING FOR MAZ007-014>016-
     019>024.
     FLOOD WATCH THROUGH LATE TONIGHT FOR MAZ005>007-011>022-024.
     COASTAL FLOOD ADVISORY FROM 11 AM THIS MORNING TO 3 PM EST
     THIS AFTERNOON FOR MAZ007-015-016-019-022-024.
     WINTER WEATHER ADVISORY UNTIL 11 AM EST THIS MORNING FOR
     MAZ005-006-011-012.
     WINTER WEATHER ADVISORY UNTIL 3 PM EST THIS AFTERNOON FOR
     MAZ003-004-009-010-026.
     WINTER WEATHER ADVISORY UNTIL 10 PM EST THIS EVENING FOR
     MAZ002-008.
RI...WIND ADVISORY UNTIL 10 PM EST THIS EVENING FOR RIZ006>008.
     FLOOD WATCH THROUGH LATE TONIGHT FOR RIZ001>007.
MARINE...GALE WARNING UNTIL 10 PM EST THIS EVENING FOR ANZ231>234-251.
     GALE WARNING UNTIL 10 PM EST THIS EVENING FOR ANZ230.
     GALE WARNING UNTIL 7 PM EST THIS EVENING FOR ANZ235>237.
     STORM WARNING UNTIL 6 PM EST THIS EVENING FOR ANZ250-254>256.

&&

SYNOPSIS...BELK/SIPPRELL
NEAR TERM...BELK/SIPPRELL
SHORT TERM...SIPPRELL
LONG TERM...BELK
AVIATION...BELK/SIPPRELL
MARINE...BELK/SIPPRELL
HYDROLOGY...
TIDES/COASTAL FLOODING...
Hazardous weather outlook, Dec 9, 5:16 AM EST, 3 hours 20 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAUNTON MA
516 AM EST TUE DEC 9 2014

MAZ002-008-101030-
WESTERN FRANKLIN MA-WESTERN HAMPSHIRE MA-
516 AM EST TUE DEC 9 2014

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 PM EST THIS EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN FRANKLIN AND WESTERN
HAMPSHIRE COUNTIES IN MASSACHUSETTS.

.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.

   WINTER WEATHER ADVISORY.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

MAZ003-004-009-010-026-101030-
EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-WESTERN HAMPDEN MA-
EASTERN HAMPSHIRE MA-NORTHERN MIDDLESEX MA-
516 AM EST TUE DEC 9 2014

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 3 PM EST THIS AFTERNOON...

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

.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.

   WINTER WEATHER ADVISORY.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

CTZ002>004-MAZ005-006-011-012-101030-
HARTFORD CT-TOLLAND CT-WINDHAM CT-CENTRAL MIDDLESEX MA-
WESTERN ESSEX MA-EASTERN HAMPDEN MA-SOUTHERN WORCESTER MA-
516 AM EST TUE DEC 9 2014

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 AM EST THIS MORNING...
...FLOOD WATCH IN EFFECT THROUGH LATE TONIGHT...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN CONNECTICUT...
SOUTH CENTRAL AND INTERIOR NORTHEASTERN MASSACHUSETTS.

.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.

   WINTER WEATHER ADVISORY.
   FLOOD WATCH.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

MAZ007-015-016-019-022-024-101030-
EASTERN ESSEX MA-SUFFOLK MA-EASTERN NORFOLK MA-EASTERN PLYMOUTH MA-
BARNSTABLE MA-NANTUCKET MA-
516 AM EST TUE DEC 9 2014

...FLOOD WATCH IN EFFECT THROUGH LATE TONIGHT...
...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 10 PM EST THIS
EVENING...
...COASTAL FLOOD ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 3 PM
EST THIS AFTERNOON...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR COASTAL EASTERN
MASSACHUSETTS.

.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.

   FLOOD WATCH.
   WIND ADVISORY.
   COASTAL FLOOD ADVISORY.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

MAZ017-018-RIZ002-004-005-101030-
NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-SOUTHEAST PROVIDENCE RI-
EASTERN KENT RI-BRISTOL RI-
516 AM EST TUE DEC 9 2014

...FLOOD WATCH IN EFFECT THROUGH LATE TONIGHT...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR INTERIOR SOUTHEASTERN
MASSACHUSETTS AND NORTHERN RHODE ISLAND.

.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.

   FLOOD WATCH.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

MAZ013-RIZ001-003-101030-
WESTERN NORFOLK MA-NORTHWEST PROVIDENCE RI-WESTERN KENT RI-
516 AM EST TUE DEC 9 2014

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 7 AM EST THIS MORNING...
...FLOOD WATCH IN EFFECT THROUGH LATE TONIGHT...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR INTERIOR EASTERN
MASSACHUSETTS AND NORTHERN RHODE ISLAND.

.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.

   WINTER WEATHER ADVISORY.
   FLOOD WATCH.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

MAZ014-020-021-RIZ006-007-101030-
SOUTHEAST MIDDLESEX MA-SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-
WASHINGTON RI-NEWPORT RI-
516 AM EST TUE DEC 9 2014

...FLOOD WATCH IN EFFECT THROUGH LATE TONIGHT...
...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 10 PM EST THIS
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR INTERIOR EASTERN AND
INTERIOR SOUTHEASTERN MASSACHUSETTS AND SOUTHERN RHODE ISLAND.

.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.

   FLOOD WATCH.
   WIND ADVISORY.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

MAZ023-RIZ008-101030-
DUKES MA-BLOCK ISLAND RI-
516 AM EST TUE DEC 9 2014

...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 10 PM EST THIS
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR MARTHAS VINEYARD AND BLOCK
ISLAND.

.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.

   WIND ADVISORY.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

ANZ250-254>256-101030-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK NATIONAL
MARINE SANCTUARY-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD AND
NANTUCKET-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT TO
20 NM SOUTH OF BLOCK ISLAND-
516 AM EST TUE DEC 9 2014

...STORM WARNING IN EFFECT UNTIL 6 PM EST THIS EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE OUTER MASSACHUSETTS AND
OUTER 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.

   STORM WARNING.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

ANZ231>234-251-101030-
CAPE COD BAY-NANTUCKET SOUND-VINEYARD SOUND-BUZZARDS BAY-
MASSACHUSETTS BAY AND IPSWICH BAY-
516 AM EST TUE DEC 9 2014

...GALE WARNING IN EFFECT UNTIL 10 PM EST THIS EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR MASSACHUSETTS BAYS AND
SOUNDS.

.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...WEDNESDAY THROUGH MONDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

ANZ235-237-101030-
RHODE ISLAND SOUND-BLOCK ISLAND SOUND-
516 AM EST TUE DEC 9 2014

...GALE WARNING IN EFFECT UNTIL 7 PM EST THIS EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR 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...WEDNESDAY THROUGH MONDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

ANZ236-101030-
NARRAGANSETT BAY-
516 AM EST TUE DEC 9 2014

...GALE WARNING IN EFFECT UNTIL 7 PM EST THIS EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NARRAGANSETT BAY.

.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...WEDNESDAY THROUGH MONDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

ANZ230-101030-
BOSTON HARBOR-
516 AM EST TUE DEC 9 2014

...GALE WARNING IN EFFECT FROM 10 AM THIS MORNING TO 10 PM EST THIS
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR BOSTON HARBOR.

.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...WEDNESDAY THROUGH MONDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

FOR THE LATEST UPDATES...PLEASE VISIT OUR WEBPAGE AT
WWW.WEATHER.GOV/BOSTON

YOU CAN FOLLOW US ON FACEBOOK AT
WWW.FACEBOOK.COM/NWSBOSTON

YOU CAN FOLLOW US ON TWITTER AT
@NWSBOSTON

In the hours before

Special weather statement, Dec 9, 5:59 AM EST, 2 hours 37 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
559 AM EST TUE DEC 9 2014

CTZ002>004-MAZ002>014-026-RIZ001-091400-
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-
NORTHERN MIDDLESEX MA-NORTHWEST PROVIDENCE 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...AYER...FOSTER...SMITHFIELD
559 AM EST TUE DEC 9 2014

...ICY SPOTS ON AREA ROADS THIS MORNING...

A VERY SHARP TEMPERATURE GRADIENT WAS ESTABLISHED ACROSS EASTERN
MA AND RHODE ISLAND THIS MORNING. AREAS GENERALLY ALONG AND WEST
OF I-95/ROUTE 128 WERE BELOW FREEZING...WITH TEMPERATURES ABOVE
FREEZING FARTHER SOUTH AND EAST.

LIGHT PRECIPITATION MOVING INTO SOUTHERN NEW ENGLAND EARLY THIS
MORNING HAS TAKEN THE FORM OF FREEZING RAIN OR FREEZING DRIZZLE.
THIS IS MAKING FOR SLIPPERY TRAVEL ON UNTREATED SURFACES
OVERNIGHT...WITH MANY REPORTS OF MOTOR VEHICLE ACCIDENTS.
TRAVELERS ARE STRONGLY URGED TO SLOW DOWN AND EXERCISE CAUTION
THIS MORNING.

REMEMBER...IT ONLY TAKES A ONE DEGREE DROP IN TEMPERATURE TO GO
FROM WET TO ICY. TEMPERATURES ARE EXPECTED TO SLOWLY RISE ABOVE
FREEZING ACROSS ALL OF SOUTHERN NEW ENGLAND BY EARLY AFTERNOON.

BELK

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

9 flood, 2 winter weather, 2 strong wind, 2 high wind, 1 debris flow. Local standard time, as filed.

Winter Weather, Southern Worcester

When
December 9, 8:36 AM EST to 11:36 AM EST
Where
Southern Worcester forecast zone
Reported by
Trained Spotter
Coordinates
42.351, -71.908 (the zone’s center; the record gives no point)

An eighth of an inch of ice accumulated on exposed surfaces in Auburn. Numerous accidents were reported.

Winter Weather, Western Franklin

When
December 9, 1:00 PM EST to December 10, 7:00 AM EST
Where
Western Franklin forecast zone
Reported by
Amateur Radio
Coordinates
42.583, -72.592 (the zone’s center; the record gives no point)

Two to three inches of snow fell across western portions of Franklin County.

Strong Wind, Eastern Plymouth

When
December 9, 3:02 PM EST to 4:30 PM EST
Where
Eastern Plymouth forecast zone
Measured
48 kt (55 mph) estimated gust
Property damage
$15,000
Reported by
Amateur Radio
Coordinates
42.079, -70.960 (the zone’s center; the record gives no point)

In Norwell, a tree was downed onto wires on Hoop Pole Lane. An amateur radio operator in Scituate recorded wind gusts of near 60 mph on their home weather station. A tree was downed onto Cushing Hall Road in Scituate. Also, wires were downed onto Border Street.

High Wind, Barnstable

When
December 9, 3:29 PM EST to 4:59 PM EST
Where
Barnstable forecast zone
Measured
50 kt (58 mph) estimated gust
Property damage
$15,000
Reported by
Amateur Radio
Coordinates
41.684, -70.274 (the zone’s center; the record gives no point)

A utility pole was downed onto wires on West Main Street in Hyannis. In Sandwich, a tree was downed on Farmersville Road. The Automated Weather Observing System at U.S. Coast Guard Air Station Cape Cod (KFMH) recorded a wind gust of 61 mph. In Centerville, a tree was downed blocking Yacht Club Road.

Strong Wind, Southern Plymouth

When
December 9, 4:00 PM EST to 5:05 PM EST
Where
Southern Plymouth forecast zone
Measured
49 kt (56 mph) estimated gust
Property damage
$10,000
Reported by
Amateur Radio
Coordinates
41.987, -70.737 (the zone’s center; the record gives no point)

An amateur radio operator in Marion recorded a wind gust of 57 mph on their home weather equipment. Trees and wires were downed on Card Drive and Cole Road.

Flood, Middlesex

When
December 9, 4:15 PM EST to 5:15 PM EST
Where
Middlesex County, Boxborough to 2.06 mi NW of Minute Man Arpt
Cause
Heavy Rain
Reported by
Amateur Radio
Coordinates
42.500, -71.500

The on-ramp to Interstate 495 northbound from Route 111 was partially closed due to flooding.

Flood, Nantucket

When
December 9, 4:30 PM EST to 5:30 PM EST
Where
Nantucket County, 0.31 mi E of Nantucket to 0.87 mi SW of Nantucket
Cause
Heavy Rain
Reported by
Amateur Radio
Coordinates
41.279, -70.094

Heavy rain resulted in several sections of Orange Street, Bartlett Road, and Sparks Avenue flooded with up to one foot of water. This was compounded by high tide occurring which inhibited the draining of water.

High Wind, Nantucket

When
December 9, 4:47 PM EST to 5:47 PM EST
Where
Nantucket forecast zone
Measured
35 kt (40 mph) measured sustained
Reported by
ASOS
Coordinates
41.270, -70.022 (the zone’s center; the record gives no point)

The Automated Surface Observation System at Nantucket Memorial Airport (KACK) recorded sustained wind speeds of 40 mph. No damage was reported.

Flood, Essex

When
December 9, 4:49 PM EST to 5:49 PM EST
Where
Essex County, 1.12 mi SSE of South Middleton to 1 mi SSE of South Middleton
Cause
Heavy Rain
Reported by
Amateur Radio
Coordinates
42.555, -71.011

Roosevelt Avenue at Russell Street was closed due to flooding.

Flood, Essex

When
December 9, 4:49 PM EST to 5:49 PM EST
Where
Essex County, 0.52 mi WSW of Peabody to 0.45 mi NNW of Salem Maritime Nhs
Cause
Heavy Rain
Reported by
Amateur Radio
Coordinates
42.526, -70.929

Several streets around Peabody Square were closed due to flooding. This included Pierpont Street and Main Street.

Flood, Middlesex

When
December 9, 4:54 PM EST to 5:54 PM EST
Where
Middlesex County, 0.5 mi NNE of Clematis Brook to 0.37 mi NE of Clematis Brook
Cause
Heavy Rain
Property damage
$5,000
Reported by
Amateur Radio
Coordinates
42.387, -71.197

A retaining wall the length of two rail cars collapsed just west of the Waverly MBTA station in Belmont, blocking the train tracks.

Flood, Essex

When
December 9, 5:13 PM EST to 6:13 PM EST
Where
Essex County, 1.27 mi ENE of Rooty Plain to 1.24 mi NW of Kent Corner
Cause
Heavy Rain
Reported by
Amateur Radio
Coordinates
42.706, -70.926

Route 133 was closed at the Newburyport Turnpike and at Daniels Road in Rowley due to flooding.

Debris Flow, Essex

When
December 9, 5:34 PM EST
Where
Essex County, 1.35 mi NNE of Topsfield to 1.57 mi NNE of Topsfield
Cause
Heavy Rain
Property damage
$50,000
Reported by
Amateur Radio
Coordinates
42.648, -70.940

Route 1 at Ipswich Road in Topsfield was closed in both directions due to a landslide. The landslide damaged four cars and left some of the road buried under three feet of mud.

Flood, Middlesex

When
December 9, 7:55 PM EST to 8:55 PM EST
Where
Middlesex County, 0.36 mi S of Somerville to 0.6 mi SW of Somerville
Cause
Heavy Rain
Property damage
$30,000
Reported by
Amateur Radio
Coordinates
42.395, -71.099

Water flooded Medford Street up to the roof of a vehicle. Two vehicles were stuck in flood waters on Medford Street. In addition, a large sinkhole opened up as a result of the flooding. This resulted in the street closing through Wednesday, December 10 while crews figured out how to repair the sinkhole.

Flood, Middlesex

When
December 9, 7:55 PM EST to 8:55 PM EST
Where
Middlesex County, 0.12 mi NNE of Nonantum to 0.14 mi WSW of Nonantum
Cause
Heavy Rain
Reported by
Amateur Radio
Coordinates
42.382, -71.219

Linden Street was flooded from Waverly Oaks Road to Middlesex Road.

Flood, Essex

When
December 9, 8:11 PM EST to 9:11 PM EST
Where
Essex County, 0.25 mi NNE of Salem Maritime Nhs to 0.35 mi ENE of Salem Maritime Nhs
Cause
Heavy Rain
Reported by
Amateur Radio
Coordinates
42.523, -70.919

The North River on the Salem/Peabody line overflowed its banks.

What these are

Winter Weather
Snow, sleet or freezing rain below warning levels that still caused disruption, damage or casualties.
Strong Wind
Non-thunderstorm winds below high wind criteria that nonetheless caused damage or casualties.
High Wind
Sustained non-thunderstorm winds of 40 mph or more for an hour, or gusts of 58 mph or more.
Flood
Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.
Debris Flow
A fast-moving slurry of mud, rock and debris, usually on a slope soaked by heavy rain or stripped by a fire.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Massachusetts in 2014Every state in 2014This day in weather historyWarnings in Massachusetts, December 2014

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 552856, 552858, 552841, 552842, 552848, 552843, 552844, 552845, 552846, 552847, 552849, 552850, 552898, 552852, 552853, 552854.