Alert archive / Massachusetts / Wind Chill Warnings in 2017

Wind Chill Warning 1, NWS Boston/Norton, MA

December 27, 2017Franklin County, Hampden County, Hampshire County, Massachusetts

NWS Boston/Norton, MA issued this wind chill warning at Dec 27, 2017, 4:06 AM EST for Franklin County, Hampden County, Hampshire County, Massachusetts. It took effect at Dec 27, 2017, 7:00 PM 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 27, 2017, 4:06 AM EST (09:06 UTC)
In effect from
Dec 27, 2017, 7:00 PM EST
Expired
Dec 28, 2017, 11:50 AM EST
In force
17 hr
Issued by
NWS Boston/Norton, MA

Counties Franklin County, MA, Hampden County, MA, Hampshire County, MA

The radar

The Albany radar (KENX), 121 km from the middle of the area, began a volume at 09:11 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

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

The nearest sounding before it

Albany, NY (KALY), launched 00:00Z, 9.1 hours before the alert went out and 105 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Albany, NY at 00:00Z on 2017-12-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albany, NY at 00:00Z on 2017-12-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 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
1844 m above ground
0-6 km bulk shear
100 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
105 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

069 
WWUS41 KBOX 270906
WSWBOX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Taunton MA
406 AM EST Wed Dec 27 2017

MAZ002-008-009-271715-
/O.NEW.KBOX.WC.W.0001.171228T0000Z-171228T1700Z/
Western Franklin MA-Western Hampshire MA-Western Hampden MA-
Including the cities of Charlemont, Chesterfield, and Blandford
406 AM EST Wed Dec 27 2017

...WIND CHILL WARNING IN EFFECT FROM 7 PM THIS EVENING TO NOON
EST THURSDAY...

* WHAT...Dangerously cold wind chills expected. The dangerously 
  cold wind chills will cause frostbite in as little as 10 
  minutes to exposed skin. Expect wind chills to range from 5 
  below zero to 25 below zero.

* WHERE...Western Franklin, Western Hampshire and Western Hampden 
  Counties.

* WHEN...From 7 PM this evening to noon EST Thursday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Warning means the combination of very cold air and
the wind will create dangerously low wind chill values. Frost
bite can occur quickly and even hypothermia or death if
precautions are not taken.

$$

CTZ002-MAZ003>007-010>016-026-271715-
/O.NEW.KBOX.WC.Y.0001.171228T0000Z-171228T1700Z/
Hartford CT-Eastern Franklin MA-Northern Worcester MA-
Central Middlesex MA-Western Essex MA-Eastern Essex MA-
Eastern Hampshire MA-Eastern Hampden MA-Southern Worcester MA-
Western Norfolk MA-Southeast Middlesex MA-Suffolk MA-
Eastern Norfolk MA-Northern Middlesex MA-
Including the cities of Hartford, Windsor Locks, Greenfield, 
Orange, Barre, Fitchburg, Framingham, Lowell, Lawrence, 
Gloucester, Amherst, Northampton, Springfield, Milford, 
Worcester, Foxborough, Norwood, Cambridge, Boston, Quincy, 
and Ayer
406 AM EST Wed Dec 27 2017

...WIND CHILL ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO NOON
EST THURSDAY...

* WHAT...Very cold wind chills expected. The cold wind chills 
  will cause frostbite in as little as 30 minutes to exposed 
  skin. Expect wind chills to range from 5 above zero to 20 
  below zero.

* WHERE...Hartford County Connecticut and central, northeastern 
  and western Massachusetts.

* WHEN...From 7 PM this evening to noon EST Thursday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Advisory means that cold air and the wind will
combine to create low wind chills. Frost bite and hypothermia can
occur if precautions are not taken. Make sure you wear a hat and
gloves.

$$
6 follow-up statements
714 
WWUS41 KBOX 271528
WSWBOX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Taunton MA
1028 AM EST Wed Dec 27 2017

MAZ002-008-009-272330-
/O.CON.KBOX.WC.W.0001.171228T0000Z-171228T1700Z/
Western Franklin MA-Western Hampshire MA-Western Hampden MA-
Including the cities of Charlemont, Chesterfield, and Blandford
1028 AM EST Wed Dec 27 2017

...WIND CHILL WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO
NOON EST THURSDAY...

* WHAT...Dangerously cold wind chills expected. The dangerously 
  cold wind chills will cause frostbite in as little as 10 
  minutes to exposed skin. Expect wind chills to range from 5 
  above zero to 25 below zero.

* WHERE...Western Franklin MA, Western Hampshire MA and Western 
  Hampden MA Counties.

* WHEN...From 7 PM this evening to noon EST Thursday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Warning means the combination of very cold air and
the wind will create dangerously low wind chill values. Frost
bite can occur quickly and even hypothermia or death if
precautions are not taken.

$$

CTZ002-MAZ003>007-010>016-026-272330-
/O.CON.KBOX.WC.Y.0001.171228T0000Z-171228T1700Z/
Hartford CT-Eastern Franklin MA-Northern Worcester MA-
Central Middlesex MA-Western Essex MA-Eastern Essex MA-
Eastern Hampshire MA-Eastern Hampden MA-Southern Worcester MA-
Western Norfolk MA-Southeast Middlesex MA-Suffolk MA-
Eastern Norfolk MA-Northern Middlesex MA-
Including the cities of Hartford, Windsor Locks, Greenfield, 
Orange, Barre, Fitchburg, Framingham, Lowell, Lawrence, 
Gloucester, Amherst, Northampton, Springfield, Milford, 
Worcester, Foxborough, Norwood, Cambridge, Boston, Quincy, 
and Ayer
1028 AM EST Wed Dec 27 2017

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO NOON EST THURSDAY...

* WHAT...Very cold wind chills expected. The cold wind chills 
  will cause frostbite in as little as 30 minutes to exposed 
  skin. Expect wind chills to range from 15 above zero to 15 
  below zero.

* WHERE...Portions of northern Connecticut and central, eastern, 
  northeastern and western Massachusetts.

* WHEN...From 7 PM this evening to noon EST Thursday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Advisory means that cold air and the wind will
combine to create low wind chills. Frost bite and hypothermia can
occur if precautions are not taken. Make sure you wear a hat and
gloves.

$$
594 
WWUS41 KBOX 272050
WSWBOX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Taunton MA
350 PM EST Wed Dec 27 2017

MAZ002-008-009-280500-
/O.CON.KBOX.WC.W.0001.171228T0000Z-171228T1700Z/
Western Franklin MA-Western Hampshire MA-Western Hampden MA-
Including the cities of Charlemont, Chesterfield, and Blandford
350 PM EST Wed Dec 27 2017

...WIND CHILL WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO
NOON EST THURSDAY...

* WHAT...Dangerously cold wind chills expected. The dangerously 
  cold wind chills will cause frostbite in as little as 10 
  minutes to exposed skin. Expect wind chills to range from 5 
  below zero to 25 below zero.

* WHERE...Western Franklin MA, Western Hampshire MA and Western 
  Hampden MA Counties.

* WHEN...From 7 PM this evening to noon EST Thursday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Warning means the combination of very cold air and
the wind will create dangerously low wind chill values. Frost
bite can occur quickly and even hypothermia or death if
precautions are not taken.

$$

CTZ003-004-280500-
/O.EXA.KBOX.WC.Y.0001.171228T0000Z-171228T1700Z/
Tolland CT-Windham CT-
Including the cities of Union, Vernon, Putnam, and Willimantic
350 PM EST Wed Dec 27 2017

...WIND CHILL ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO NOON
EST THURSDAY...

* WHAT...Very cold wind chills expected. The cold wind chills 
  will cause frostbite in as little as 30 minutes to exposed 
  skin. Expect wind chills to range from 5 above zero to 15 
  below zero.

* WHERE...Tolland CT and Windham CT Counties.

* WHEN...From 7 PM this evening to noon EST Thursday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Advisory means that cold air and the wind will
combine to create low wind chills. Frost bite and hypothermia can
occur if precautions are not taken. Make sure you wear a hat and
gloves.

$$

CTZ002-MAZ003>007-010>016-026-280500-
/O.CON.KBOX.WC.Y.0001.171228T0000Z-171228T1700Z/
Hartford CT-Eastern Franklin MA-Northern Worcester MA-
Central Middlesex MA-Western Essex MA-Eastern Essex MA-
Eastern Hampshire MA-Eastern Hampden MA-Southern Worcester MA-
Western Norfolk MA-Southeast Middlesex MA-Suffolk MA-
Eastern Norfolk MA-Northern Middlesex MA-
Including the cities of Hartford, Windsor Locks, Greenfield, 
Orange, Barre, Fitchburg, Framingham, Lowell, Lawrence, 
Gloucester, Amherst, Northampton, Springfield, Milford, 
Worcester, Foxborough, Norwood, Cambridge, Boston, Quincy, 
and Ayer
350 PM EST Wed Dec 27 2017

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO NOON EST THURSDAY...

* WHAT...Very cold wind chills expected. The cold wind chills 
  will cause frostbite in as little as 30 minutes to exposed 
  skin. Expect wind chills to range from 0 to 20 below zero.

* WHERE...Hartford County, Connecticut. Western, Central, and
  Northeast Massachusetts including Boston.

* WHEN...From 7 PM this evening to noon EST Thursday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Advisory means that cold air and the wind will
combine to create low wind chills. Frost bite and hypothermia can
occur if precautions are not taken. Make sure you wear a hat and
gloves.

$$
243 
WWUS41 KBOX 280336
WSWBOX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Taunton MA
1036 PM EST Wed Dec 27 2017

MAZ002-008-009-281145-
/O.CON.KBOX.WC.W.0001.000000T0000Z-171228T1700Z/
Western Franklin MA-Western Hampshire MA-Western Hampden MA-
Including the cities of Charlemont, Chesterfield, and Blandford
1036 PM EST Wed Dec 27 2017

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON EST THURSDAY...

* WHAT...Dangerously cold wind chills expected. The dangerously 
  cold wind chills will cause frostbite in as little as 10 
  minutes to exposed skin. Expect wind chills to range from 15 
  below zero to 25 below zero.

* WHERE...Western Franklin MA, Western Hampshire MA and Western 
  Hampden MA Counties.

* WHEN...From 7 PM this evening to noon EST Thursday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Warning means the combination of very cold air and
the wind will create dangerously low wind chill values. Frost
bite can occur quickly and even hypothermia or death if
precautions are not taken.

$$

CTZ002>004-MAZ003>007-010>016-026-281145-
/O.CON.KBOX.WC.Y.0001.000000T0000Z-171228T1700Z/
Hartford CT-Tolland CT-Windham CT-Eastern Franklin MA-
Northern Worcester MA-Central Middlesex MA-Western Essex MA-
Eastern Essex MA-Eastern Hampshire MA-Eastern Hampden MA-
Southern Worcester MA-Western Norfolk MA-Southeast Middlesex MA-
Suffolk MA-Eastern Norfolk MA-Northern Middlesex MA-
Including the cities of Hartford, Windsor Locks, Union, Vernon, 
Putnam, Willimantic, Greenfield, Orange, Barre, Fitchburg, 
Framingham, Lowell, Lawrence, Gloucester, Amherst, Northampton, 
Springfield, Milford, Worcester, Foxborough, Norwood, Cambridge, 
Boston, Quincy, and Ayer
1036 PM EST Wed Dec 27 2017

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON EST
THURSDAY...

* WHAT...Very cold wind chills expected. The cold wind chills 
  will cause frostbite in as little as 30 minutes to exposed 
  skin. Expect wind chills to range from 0 to 20 below zero.

* WHERE...Hartford, Tolland, and Windham Counties in Connecticut.
  Also, western, central, and northeast Massachusetts including 
  Boston.

* WHEN...From 7 PM this evening to noon EST Thursday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Advisory means that cold air and the wind will
combine to create low wind chills. Frost bite and hypothermia can
occur if precautions are not taken. Make sure you wear a hat and
gloves.

$$
832 
WWUS41 KBOX 280907
WSWBOX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Taunton MA
407 AM EST Thu Dec 28 2017

MAZ002-008-009-281700-
/O.CON.KBOX.WC.W.0001.000000T0000Z-171228T1700Z/
Western Franklin MA-Western Hampshire MA-Western Hampden MA-
Including the cities of Charlemont, Chesterfield, and Blandford
407 AM EST Thu Dec 28 2017

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON EST TODAY...

* WHAT...Dangerously cold wind chills expected. The dangerously
  cold wind chills will cause frostbite in as little as 10 minutes
  to exposed skin. Expect wind chills to range from 20 below zero
  to 25 below zero.

* WHERE...Western Franklin MA, Western Hampshire MA and Western 
  Hampden MA Counties.

* WHEN...Until noon EST today.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Warning means the combination of very cold air and
the wind will create dangerously low wind chill values. Frost
bite can occur quickly and even hypothermia or death if
precautions are not taken.

$$

MAZ003>007-012-026-281715-
/O.EXT.KBOX.WC.Y.0001.000000T0000Z-171229T1100Z/
Eastern Franklin MA-Northern Worcester MA-Central Middlesex MA-
Western Essex MA-Eastern Essex MA-Southern Worcester MA-
Northern Middlesex MA-
Including the cities of Greenfield, Orange, Barre, Fitchburg, 
Framingham, Lowell, Lawrence, Gloucester, Milford, Worcester, 
and Ayer
407 AM EST Thu Dec 28 2017

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 6 AM EST FRIDAY...

* WHAT...Very cold wind chills expected. The cold wind chills will
  cause frostbite in as little as 30 minutes to exposed skin.
  Expect wind chills to range from 15 to 20 below zero.

* WHERE...Portions of western, central, eastern, and northeastern  
  Massachusetts.

* WHEN...Until 6 AM EST Friday.

* ADDITIONAL DETAILS...Wind will rise above the Advisory threshold
  of 15 below zero for much of this afternoon, but will fall below
  the threshold again overnight tonight.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Advisory means that cold air and the wind will
combine to create low wind chills. Frost bite and hypothermia can
occur if precautions are not taken. Make sure you wear a hat and
gloves.

$$

CTZ002>004-MAZ010-011-013>016-281700-
/O.CON.KBOX.WC.Y.0001.000000T0000Z-171228T1700Z/
Hartford CT-Tolland CT-Windham CT-Eastern Hampshire MA-
Eastern Hampden MA-Western Norfolk MA-Southeast Middlesex MA-
Suffolk MA-Eastern Norfolk MA-
Including the cities of Hartford, Windsor Locks, Union, Vernon, 
Putnam, Willimantic, Amherst, Northampton, Springfield, 
Foxborough, Norwood, Cambridge, Boston, and Quincy
407 AM EST Thu Dec 28 2017

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON EST TODAY...

* WHAT...Very cold wind chills expected. The cold wind chills 
  will cause frostbite in as little as 30 minutes to exposed 
  skin. Expect wind chills to range from 10 below zero to 15 
  below zero.

* WHERE...Portions of northern Connecticut and eastern and 
  western Massachusetts.

* WHEN...Until noon EST today.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Advisory means that cold air and the wind will
combine to create low wind chills. Frost bite and hypothermia can
occur if precautions are not taken. Make sure you wear a hat and
gloves.

$$
Field
405 
WWUS41 KBOX 281527
WSWBOX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Taunton MA
1027 AM EST Thu Dec 28 2017

MAZ002-008-009-281700-
/O.CON.KBOX.WC.W.0001.000000T0000Z-171228T1700Z/
Western Franklin MA-Western Hampshire MA-Western Hampden MA-
Including the cities of Charlemont, Chesterfield, and Blandford
1027 AM EST Thu Dec 28 2017

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON EST TODAY...

* WHAT...Dangerously cold wind chills expected. The dangerously 
  cold wind chills will cause frostbite in as little as 10 
  minutes to exposed skin. Expect wind chills to range from 15 
  below zero to 25 below zero.

* WHERE...Western Franklin MA, Western Hampshire MA and Western 
  Hampden MA Counties.

* WHEN...Until noon EST today.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Warning means the combination of very cold air and
the wind will create dangerously low wind chill values. Frost
bite can occur quickly and even hypothermia or death if
precautions are not taken.

$$

CTZ002>004-MAZ010-011-013>016-281700-
/O.CON.KBOX.WC.Y.0001.000000T0000Z-171228T1700Z/
Hartford CT-Tolland CT-Windham CT-Eastern Hampshire MA-
Eastern Hampden MA-Western Norfolk MA-Southeast Middlesex MA-
Suffolk MA-Eastern Norfolk MA-
Including the cities of Hartford, Windsor Locks, Union, Vernon, 
Putnam, Willimantic, Amherst, Northampton, Springfield, 
Foxborough, Norwood, Cambridge, Boston, and Quincy
1027 AM EST Thu Dec 28 2017

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON EST TODAY...

* WHAT...expected. The cold wind chills will cause frostbite in 
  as little as 30 minutes to exposed skin.

* WHERE...Portions of northern Connecticut and eastern and 
  western Massachusetts.

* WHEN...Until noon EST today.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Advisory means that cold air and the wind will
combine to create low wind chills. Frost bite and hypothermia can
occur if precautions are not taken. Make sure you wear a hat and
gloves.

$$

MAZ003>007-012-026-282330-
/O.CON.KBOX.WC.Y.0001.000000T0000Z-171229T1100Z/
Eastern Franklin MA-Northern Worcester MA-Central Middlesex MA-
Western Essex MA-Eastern Essex MA-Southern Worcester MA-
Northern Middlesex MA-
Including the cities of Greenfield, Orange, Barre, Fitchburg, 
Framingham, Lowell, Lawrence, Gloucester, Milford, Worcester, 
and Ayer
1027 AM EST Thu Dec 28 2017

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST FRIDAY...

* WHAT...Very cold wind chills expected. The cold wind chills 
  will cause frostbite in as little as 30 minutes to exposed 
  skin. Expect wind chills to range from 5 below zero to 15 
  below zero.

* WHERE...Portions of central, eastern, northeastern and western 
  Massachusetts.

* WHEN...Until 6 AM EST Friday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Advisory means that cold air and the wind will
combine to create low wind chills. Frost bite and hypothermia can
occur if precautions are not taken. Make sure you wear a hat and
gloves.

$$
872 
WWUS41 KBOX 281650
WSWBOX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Taunton MA
1150 AM EST Thu Dec 28 2017

MAZ002-008-009-290100-
/O.CAN.KBOX.WC.W.0001.000000T0000Z-171228T1700Z/
/O.EXA.KBOX.WC.Y.0001.000000T0000Z-171229T1100Z/
Western Franklin MA-Western Hampshire MA-Western Hampden MA-
Including the cities of Charlemont, Chesterfield, and Blandford
1150 AM EST Thu Dec 28 2017

...WIND CHILL ADVISORY IN EFFECT UNTIL 6 AM EST FRIDAY...
...WIND CHILL WARNING IS CANCELLED...

* WHAT...Very cold wind chills expected. The cold wind chills 
  will cause frostbite in as little as 30 minutes to exposed 
  skin. Expect wind chills to range from 10 below zero to 20 
  below zero.

* WHERE...Western Franklin MA, Western Hampshire MA and Western 
  Hampden MA Counties.

* WHEN...Until 6 AM EST Friday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Advisory means that cold air and the wind will
combine to create low wind chills. Frost bite and hypothermia can
occur if precautions are not taken. Make sure you wear a hat and
gloves.

$$

CTZ002>004-MAZ010-011-013>016-281800-
/O.CAN.KBOX.WC.Y.0001.000000T0000Z-171228T1700Z/
Hartford CT-Tolland CT-Windham CT-Eastern Hampshire MA-
Eastern Hampden MA-Western Norfolk MA-Southeast Middlesex MA-
Suffolk MA-Eastern Norfolk MA-
Including the cities of Hartford, Windsor Locks, Union, Vernon, 
Putnam, Willimantic, Amherst, Northampton, Springfield, 
Foxborough, Norwood, Cambridge, Boston, and Quincy
1150 AM EST Thu Dec 28 2017

...WIND CHILL ADVISORY IS CANCELLED...

Temperatures have warmed enough for wind chill values higher than
15 below zero.

Although the advisory has been cancelled, we still expect very
cold wind chills across the area through the afternoon. Dress
warmly if you go outside this afternoon.

$$

MAZ003>007-012-026-290100-
/O.CON.KBOX.WC.Y.0001.000000T0000Z-171229T1100Z/
Eastern Franklin MA-Northern Worcester MA-Central Middlesex MA-
Western Essex MA-Eastern Essex MA-Southern Worcester MA-
Northern Middlesex MA-
Including the cities of Greenfield, Orange, Barre, Fitchburg, 
Framingham, Lowell, Lawrence, Gloucester, Milford, Worcester, 
and Ayer
1150 AM EST Thu Dec 28 2017

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST FRIDAY...

* WHAT...Very cold wind chills expected. The cold wind chills 
  will cause frostbite in as little as 30 minutes to exposed 
  skin. Expect wind chills to range from 5 below zero to 15 
  below zero.

* WHERE...Portions of central, eastern, northeastern and western 
  Massachusetts.

* WHEN...Until 6 AM EST Friday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Advisory means that cold air and the wind will
combine to create low wind chills. Frost bite and hypothermia can
occur if precautions are not taken. Make sure you wear a hat and
gloves.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 27, 3:59 AM ESTSmall Craft AdvisoryBOX48 hr
Dec 27, 3:59 AM ESTHeavy Freezing Spray AdvisoryBOX42 hr
Dec 27, 4:06 AM ESTWind Chill AdvisoryBOXEssex, Franklin, Hampden, Hampshire, Middlesex, Norfolk and 2 more48 hr
Dec 27, 3:52 PM ESTSmall Craft AdvisoryBOX36 hr

Nearby

Wind Chill Warnings in Massachusetts, 2017Every wind chill warning in 2017

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.