Alert archive / Massachusetts / Wind Chill Watches in 2016

Wind Chill Watch 2, NWS Boston/Norton, MA

December 14, 20166 counties in Massachusetts

NWS Boston/Norton, MA issued this wind chill watch at Dec 14, 2016, 3:02 PM EST for 6 counties in Massachusetts. It took effect at Dec 15, 2016, 10:00 PM EST. It was in force for .

The area

The counties it named.

The facts

Issued
Dec 14, 2016, 3:02 PM EST (20:02 UTC)
In effect from
Dec 15, 2016, 10:00 PM EST
Expired
Dec 15, 2016, 3:58 AM EST
In force
Issued by
NWS Boston/Norton, MA

Counties Essex County, MA, Franklin County, MA, Hampden County, MA, Hampshire County, MA, Middlesex County, MA, Worcester County, MA

The radar

The Boston radar (KBOX), 89 km from the middle of the area, began a volume at 20:00 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, 8.0 hours before the alert went out and 152 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 2016-12-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albany, NY at 12:00Z on 2016-12-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -110 square meters per square second.1939587897117136Sfc1 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
921 m above ground
0-6 km bulk shear
75 kt
0-1 km storm-relative helicity
-110 m²/s²
0-3 km storm-relative helicity
-82 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

938 
WWUS41 KBOX 142002
WSWBOX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
302 PM EST WED DEC 14 2016

MAZ002>006-008>012-026-150415-
/O.NEW.KBOX.WC.A.0002.161216T0300Z-161216T1400Z/
WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-
CENTRAL MIDDLESEX MA-WESTERN ESSEX MA-WESTERN HAMPSHIRE MA-
WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA-
SOUTHERN WORCESTER MA-NORTHERN MIDDLESEX MA-
INCLUDING THE CITIES OF...CHARLEMONT...GREENFIELD...ORANGE...
BARRE...FITCHBURG...FRAMINGHAM...LOWELL...LAWRENCE...
CHESTERFIELD...BLANDFORD...AMHERST...NORTHAMPTON...SPRINGFIELD...
MILFORD...WORCESTER...AYER
302 PM EST WED DEC 14 2016

...WIND CHILL WATCH IN EFFECT FROM THURSDAY EVENING THROUGH
FRIDAY MORNING...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A WIND CHILL
WATCH...WHICH IS IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
MORNING.

* LOCATIONS...WESTERN...CENTRAL AND INTERIOR NORTHEAST
  MASSACHUSETTS.

* HAZARD TYPES...DANGEROUSLY COLD WIND CHILLS.

* WIND CHILL READINGS...AS LOW AS 20 BELOW.

* TIMING...LATE THURSDAY NIGHT AND EARLY FRIDAY MORNING.

* IMPACTS...FROSTBITE CAN OCCUR IN AS LITTLE AS 30 MINUTES IF YOU
  ARE NOT PROTECTED FROM THE COLD.

* WINDS...NORTHWEST 10 TO 20 MPH WITH GUSTS OF 40-60 MPH.

* TEMPERATURES...5 BELOW TO 5 ABOVE ZERO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WATCH IS ISSUED WHEN WIND CHILL VALUES MAY REACH
VALUES OF -25 DEGREES OR LOWER FOR AT LEAST 3 HOURS. OUTDOOR
EXPOSURE SHOULD BE LIMITED. IF YOU MUST BE OUTDOORS...DRESS IN
LAYERS AND KEEP YOUR HANDS AND FEET COVERED TO PROTECT AGAINST
FROSTBITE.

&&

$$

JWD/NOCERA

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
2 follow-up statements
786 
WWUS41 KBOX 150334
WSWBOX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
1034 PM EST WED DEC 14 2016

MAZ002>006-008>012-026-151145-
/O.CON.KBOX.WC.A.0002.161216T0300Z-161216T1400Z/
WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-
CENTRAL MIDDLESEX MA-WESTERN ESSEX MA-WESTERN HAMPSHIRE MA-
WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA-
SOUTHERN WORCESTER MA-NORTHERN MIDDLESEX MA-
INCLUDING THE CITIES OF...CHARLEMONT...GREENFIELD...ORANGE...
BARRE...FITCHBURG...FRAMINGHAM...LOWELL...LAWRENCE...
CHESTERFIELD...BLANDFORD...AMHERST...NORTHAMPTON...SPRINGFIELD...
MILFORD...WORCESTER...AYER
1034 PM EST WED DEC 14 2016

...WIND CHILL WATCH REMAINS IN EFFECT FROM THURSDAY EVENING
THROUGH FRIDAY MORNING...

* LOCATIONS...WESTERN...CENTRAL AND INTERIOR NORTHEAST 
  MASSACHUSETTS.

* HAZARD TYPES...DANGEROUSLY COLD WIND CHILLS.

* WIND CHILL READINGS...AS LOW AS 24 BELOW.

* TIMING...LATE THURSDAY NIGHT AND EARLY FRIDAY MORNING.

* IMPACTS...FROSTBITE CAN OCCUR IN AS LITTLE AS 30 MINUTES IF 
  YOU ARE NOT PROTECTED FROM THE COLD.

* WINDS...NORTHWEST 15 TO 25 MPH WITH GUSTS UP TO 65 MPH.

* TEMPERATURES...4 BELOW TO 14 ABOVE ZERO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WATCH IS ISSUED WHEN WIND CHILL VALUES MAY REACH
VALUES OF -25 DEGREES OR LOWER FOR AT LEAST 3 HOURS. OUTDOOR
EXPOSURE SHOULD BE LIMITED. IF YOU MUST BE OUTDOORS...DRESS IN
LAYERS AND KEEP YOUR HANDS AND FEET COVERED TO PROTECT AGAINST
FROSTBITE.

&&

$$

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
225 
WWUS41 KBOX 150858
WSWBOX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
358 AM EST THU DEC 15 2016

MAZ002>006-008>012-026-151700-
/O.UPG.KBOX.WC.A.0002.161216T0300Z-161216T1400Z/
/O.NEW.KBOX.WC.Y.0002.161216T0300Z-161216T1600Z/
WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-
CENTRAL MIDDLESEX MA-WESTERN ESSEX MA-WESTERN HAMPSHIRE MA-
WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA-
SOUTHERN WORCESTER MA-NORTHERN MIDDLESEX MA-
INCLUDING THE CITIES OF...CHARLEMONT...GREENFIELD...ORANGE...
BARRE...FITCHBURG...FRAMINGHAM...LOWELL...LAWRENCE...
CHESTERFIELD...BLANDFORD...AMHERST...NORTHAMPTON...SPRINGFIELD...
MILFORD...WORCESTER...AYER
358 AM EST THU DEC 15 2016

...WIND CHILL ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 11 AM
EST FRIDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A WIND CHILL
ADVISORY...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 11 AM
EST FRIDAY. THE WIND CHILL WATCH IS NO LONGER IN EFFECT.

* LOCATIONS...WESTERN...CENTRAL AND INTERIOR NORTHEAST 
  MASSACHUSETTS.

* HAZARD TYPES...DANGEROUSLY COLD WIND CHILLS.

* WIND CHILL READINGS...AS LOW AS 21 BELOW.

* TIMING...LATE THURSDAY NIGHT AND EARLY FRIDAY MORNING.

* IMPACTS...FROSTBITE CAN OCCUR IN AS LITTLE AS 30 MINUTES IF 
  YOU ARE NOT PROTECTED FROM THE COLD.

* WINDS...NORTHWEST 15 TO 25 MPH WITH GUSTS UP TO 55 MPH.

* TEMPERATURES...2 BELOW TO 15 ABOVE ZERO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WATCH IS ISSUED WHEN WIND CHILL VALUES MAY REACH
VALUES OF -25 DEGREES OR LOWER FOR AT LEAST 3 HOURS. OUTDOOR
EXPOSURE SHOULD BE LIMITED. IF YOU MUST BE OUTDOORS...DRESS IN
LAYERS AND KEEP YOUR HANDS AND FEET COVERED TO PROTECT AGAINST
FROSTBITE.

A WIND CHILL ADVISORY IS ISSUED WHEN WIND CHILL VALUES OF -15 TO
-24 DEGREES ARE LIKELY FOR AT LEAST 3 HOURS. WIND CHILL VALUES
BELOW -20 DEGREES CAN BRING ABOUT FROSTBITE IN AS LITTLE AS 30
MINUTES. OUTDOOR EXPOSURE SHOULD BE LIMITED. IF YOU MUST BE
OUTDOORS...DRESS IN LAYERS AND KEEP YOUR HANDS AND FEET COVERED TO
PROTECT AGAINST FROSTBITE.

&&

$$

CTZ002>004-MAZ007-013>017-RIZ001-151700-
/O.NEW.KBOX.WC.Y.0002.161216T0500Z-161216T1400Z/
HARTFORD CT-TOLLAND CT-WINDHAM CT-EASTERN ESSEX MA-
WESTERN NORFOLK MA-SOUTHEAST MIDDLESEX MA-SUFFOLK MA-
EASTERN NORFOLK MA-NORTHERN BRISTOL MA-NORTHWEST PROVIDENCE RI-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...PUTNAM...WILLIMANTIC...GLOUCESTER...FOXBOROUGH...
NORWOOD...CAMBRIDGE...BOSTON...QUINCY...TAUNTON...FOSTER...
SMITHFIELD
358 AM EST THU DEC 15 2016

...WIND CHILL ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM
EST FRIDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A WIND CHILL
ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EST
FRIDAY.

* LOCATIONS...NORTH CENTRAL AND NORTHEAST CONNECTICUT...NORTHERN
  RHODE ISLAND...INTERIOR SOUTHEAST MASSACHUSETTS...METRO BOSTON
  AND THE NORTH SHORE.

* HAZARD TYPES...DANGEROUSLY COLD WIND CHILLS.

* WIND CHILL READINGS...AS LOW AS 16 BELOW.

* TIMING...LATE THURSDAY NIGHT AND EARLY FRIDAY MORNING.

* IMPACTS...FROSTBITE CAN OCCUR IN AS LITTLE AS 30 MINUTES IF 
  YOU ARE NOT PROTECTED FROM THE COLD.

* WINDS...NORTHWEST 15 TO 25 MPH WITH GUSTS UP TO 60 MPH.

* TEMPERATURES...3 TO 14 ABOVE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY IS ISSUED WHEN WIND CHILL VALUES OF -15 TO
-24 DEGREES ARE LIKELY FOR AT LEAST 3 HOURS. WIND CHILL VALUES
BELOW -20 DEGREES CAN BRING ABOUT FROSTBITE IN AS LITTLE AS 30
MINUTES. OUTDOOR EXPOSURE SHOULD BE LIMITED. IF YOU MUST BE
OUTDOORS...DRESS IN LAYERS AND KEEP YOUR HANDS AND FEET COVERED TO
PROTECT AGAINST FROSTBITE.

&&

$$

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

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 14, 2:53 PM ESTStorm WatchBOX13 hr
Dec 14, 2:58 PM ESTHigh Wind WatchBOXBarnstable, Bristol, Dukes, Essex, Franklin, Hampden and 7 more13 hr

Nearby

Wind Chill Watches in Massachusetts, 2016Every wind chill watch in 2016

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.