Alert archive / Massachusetts / Wind Chill Advisories in 2018

Wind Chill Advisory 2, NWS Boston/Norton, MA

January 4, 20184 counties in Massachusetts

NWS Boston/Norton, MA issued this wind chill advisory at Jan 4, 2018, 8:15 PM EST for 4 counties in Massachusetts. It took effect at Jan 5, 2018, 2:00 AM EST. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Jan 4, 2018, 8:15 PM EST (01:15 UTC)
In effect from
Jan 5, 2018, 2:00 AM EST
Expired
Jan 5, 2018, 4:02 AM EST
In force
2 hr
Issued by
NWS Boston/Norton, MA

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

The radar

The Boston radar (KBOX), 117 km from the middle of the area, began a volume at 01:15 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, 1.3 hours before the alert went out and 119 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 2018-01-05Temperature 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 2018-01-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 130 square meters per square second.193958Sfc1 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
729 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
130 m²/s²
0-3 km storm-relative helicity
258 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

114 
WWUS41 KBOX 050115
WSWBOX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Taunton MA
815 PM EST Thu Jan 4 2018

MAZ002>004-008-009-050915-
/O.NEW.KBOX.WC.Y.0002.180105T0700Z-180105T1400Z/
/O.EXT.KBOX.WC.A.0001.180105T1400Z-180106T1900Z/
Western Franklin MA-Eastern Franklin MA-Northern Worcester MA-
Western Hampshire MA-Western Hampden MA-
Including the cities of Charlemont, Greenfield, Orange, Barre, 
Fitchburg, Chesterfield, and Blandford
815 PM EST Thu Jan 4 2018

...WIND CHILL ADVISORY IN EFFECT FROM 2 AM TO 9 AM EST FRIDAY...
...WIND CHILL WATCH NOW IN EFFECT FROM FRIDAY MORNING THROUGH
SATURDAY AFTERNOON...

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

* WHERE...East slopes of the Berkshires as well as north central
  Massachusetts.

* WHEN...For the Wind Chill Advisory, from 2 AM to 9 AM EST 
  Friday. For the Wind Chill Watch, from Friday morning through 
  Saturday afternoon.

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.

A Wind Chill Watch means there is the potential for a combination
of very cold air and the wind to create dangerously low wind
chill values. Monitor the latest forecasts and warnings for
updates on this situation.

$$

CTZ002>004-MAZ010>012-026-050915-
/O.CON.KBOX.WC.A.0001.180105T1100Z-180106T1900Z/
Hartford CT-Tolland CT-Windham CT-Eastern Hampshire MA-
Eastern Hampden MA-Southern Worcester MA-Northern Middlesex MA-
Including the cities of Hartford, Windsor Locks, Union, Vernon, 
Putnam, Willimantic, Amherst, Northampton, Springfield, Milford, 
Worcester, and Ayer
815 PM EST Thu Jan 4 2018

...WIND CHILL WATCH REMAINS IN EFFECT FROM 6 AM EST FRIDAY
THROUGH SATURDAY AFTERNOON...

* WHAT...Very cold wind chills possible. Cold wind chills as low 
  as 25 below zero will cause frostbite in as little as 30 
  minutes to exposed skin. Wind chills could range from 5 below 
  zero to 25 below zero.

* WHERE...Portions of Northern Connecticut as well as western and
 central Massachusetts.

* WHEN...From 6 AM EST Friday through Saturday afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Watch means there is the potential for a combination
of very cold air and the wind to create dangerously low wind
chill values. Monitor the latest forecasts and warnings for
updates on this situation.

$$

MAZ005>007-050915-
/O.CON.KBOX.WC.A.0001.180106T0000Z-180106T1900Z/
Central Middlesex MA-Western Essex MA-Eastern Essex MA-
Including the cities of Framingham, Lowell, Lawrence, 
and Gloucester
815 PM EST Thu Jan 4 2018

...WIND CHILL WATCH REMAINS IN EFFECT FROM FRIDAY EVENING THROUGH
SATURDAY AFTERNOON...

* WHAT...Very cold wind chills possible. Cold wind chills as low 
  as 20 below zero will cause frostbite in as little as 30 
  minutes to exposed skin. Wind chills could range from 10 below 
  zero to 20 below zero.

* WHERE...North central and northeastern Massachusetts.

* WHEN...From Friday evening through Saturday afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Watch means there is the potential for a combination
of very cold air and the wind to create dangerously low wind
chill values. Monitor the latest forecasts and warnings for
updates on this situation.

$$

MAZ013>022-RIZ001>007-050915-
/O.CON.KBOX.WC.A.0001.180106T0000Z-180106T1900Z/
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-Northwest Providence RI-Southeast Providence RI-
Western Kent RI-Eastern Kent RI-Bristol RI-Washington RI-
Newport RI-
Including the cities of Foxborough, Norwood, Cambridge, Boston, 
Quincy, Taunton, Brockton, Plymouth, Fall River, New Bedford, 
Mattapoisett, Chatham, Falmouth, Provincetown, Foster, 
Smithfield, Providence, Coventry, West Greenwich, East Greenwich,
Warwick, West Warwick, Bristol, Narragansett, Westerly, 
and Newport
815 PM EST Thu Jan 4 2018

...WIND CHILL WATCH REMAINS IN EFFECT FROM FRIDAY EVENING THROUGH
SATURDAY AFTERNOON...

* WHAT...Very cold wind chills possible. Cold wind chills as low 
  as 20 below zero will cause frostbite in as little as 30 
  minutes to exposed skin. Wind chills could range from 5 below 
  zero to 20 below zero.

* WHERE...Mainly eastern Massachusetts and Rhode Island.

* WHEN...From Friday evening through Saturday afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Watch means there is the potential for a combination
of very cold air and the wind to create dangerously low wind
chill values. Monitor the latest forecasts and warnings for
updates on this situation.

$$
2 follow-up statements
362 
WWUS41 KBOX 050545
WSWBOX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Taunton MA
1245 AM EST Fri Jan 5 2018

MAZ002>004-008-009-051345-
/O.CON.KBOX.WC.Y.0002.180105T0700Z-180105T1400Z/
/O.CON.KBOX.WC.A.0001.180105T1400Z-180106T1900Z/
Western Franklin MA-Eastern Franklin MA-Northern Worcester MA-
Western Hampshire MA-Western Hampden MA-
Including the cities of Charlemont, Greenfield, Orange, Barre, 
Fitchburg, Chesterfield, and Blandford
1245 AM EST Fri Jan 5 2018

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 AM EST THIS
MORNING...
...WIND CHILL WATCH REMAINS IN EFFECT FROM 9 AM EST THIS MORNING
THROUGH SATURDAY AFTERNOON...

* WHAT...Very cold wind chills expected. Dangerously cold wind 
  chills possible. 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. Wind chills could range from 10 
  below zero to 30 below zero.

* WHERE...Western Franklin MA, Eastern Franklin MA, Northern 
  Worcester MA, Western Hampshire MA and Western Hampden MA 
  Counties.

* WHEN...For the Wind Chill Advisory, until 9 AM EST this 
  morning. For the Wind Chill Watch, from 9 AM EST this morning 
  through Saturday afternoon.

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.

A Wind Chill Watch means there is the potential for a combination
of very cold air and the wind to create dangerously low wind
chill values. Monitor the latest forecasts and warnings for
updates on this situation.

$$

CTZ002>004-MAZ010>012-026-051345-
/O.CON.KBOX.WC.A.0001.180105T1100Z-180106T1900Z/
Hartford CT-Tolland CT-Windham CT-Eastern Hampshire MA-
Eastern Hampden MA-Southern Worcester MA-Northern Middlesex MA-
Including the cities of Hartford, Windsor Locks, Union, Vernon, 
Putnam, Willimantic, Amherst, Northampton, Springfield, Milford, 
Worcester, and Ayer
1245 AM EST Fri Jan 5 2018

...WIND CHILL WATCH REMAINS IN EFFECT FROM 6 AM EST THIS MORNING
THROUGH SATURDAY AFTERNOON...

* WHAT...Very cold wind chills possible. Cold wind chills as low 
  as 25 below zero will cause frostbite in as little as 30 
  minutes to exposed skin. Wind chills could range from 0 to 25 
  below zero.

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

* WHEN...From 6 AM EST this morning through Saturday afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Watch means there is the potential for a combination
of very cold air and the wind to create dangerously low wind
chill values. Monitor the latest forecasts and warnings for
updates on this situation.

$$

MAZ005>007-051345-
/O.CON.KBOX.WC.A.0001.180106T0000Z-180106T1900Z/
Central Middlesex MA-Western Essex MA-Eastern Essex MA-
Including the cities of Framingham, Lowell, Lawrence, 
and Gloucester
1245 AM EST Fri Jan 5 2018

...WIND CHILL WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH
SATURDAY AFTERNOON...

* WHAT...Very cold wind chills possible. Cold wind chills as low 
  as 20 below zero will cause frostbite in as little as 30 
  minutes to exposed skin. Wind chills could range from 10 below 
  zero to 20 below zero.

* WHERE...Central Middlesex MA, Western Essex MA and Eastern 
  Essex MA Counties.

* WHEN...From this evening through Saturday afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Watch means there is the potential for a combination
of very cold air and the wind to create dangerously low wind
chill values. Monitor the latest forecasts and warnings for
updates on this situation.

$$

MAZ013>022-RIZ001>007-051345-
/O.CON.KBOX.WC.A.0001.180106T0000Z-180106T1900Z/
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-Northwest Providence RI-Southeast Providence RI-
Western Kent RI-Eastern Kent RI-Bristol RI-Washington RI-
Newport RI-
Including the cities of Foxborough, Norwood, Cambridge, Boston, 
Quincy, Taunton, Brockton, Plymouth, Fall River, New Bedford, 
Mattapoisett, Chatham, Falmouth, Provincetown, Foster, 
Smithfield, Providence, Coventry, West Greenwich, East Greenwich,
Warwick, West Warwick, Bristol, Narragansett, Westerly, 
and Newport
1245 AM EST Fri Jan 5 2018

...WIND CHILL WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH
SATURDAY AFTERNOON...

* WHAT...Very cold wind chills possible. Cold wind chills as low 
  as 20 below zero will cause frostbite in as little as 30 
  minutes to exposed skin. Wind chills could range from 10 below 
  zero to 20 below zero.

* WHERE...Portions of eastern and southeastern Massachusetts and 
  northern and southern Rhode Island.

* WHEN...From this evening through Saturday afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Watch means there is the potential for a combination
of very cold air and the wind to create dangerously low wind
chill values. Monitor the latest forecasts and warnings for
updates on this situation.

$$
125 
WWUS41 KBOX 050902
WSWBOX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Taunton MA
402 AM EST Fri Jan 5 2018

MAZ003-004-051715-
/O.CAN.KBOX.WC.Y.0002.000000T0000Z-180105T1400Z/
/O.UPG.KBOX.WC.A.0001.180105T1400Z-180106T1900Z/
/O.NEW.KBOX.WC.W.0001.180106T0000Z-180107T1500Z/
Eastern Franklin MA-Northern Worcester MA-
Including the cities of Greenfield, Orange, Barre, and Fitchburg
402 AM EST Fri Jan 5 2018

...WIND CHILL WARNING IN EFFECT FROM 7 PM THIS EVENING TO 10 AM
EST SUNDAY...
...WIND CHILL ADVISORY IS CANCELLED...

* 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 30 below zero.

* WHERE...Eastern Franklin MA and Northern Worcester MA Counties.

* WHEN...From 7 PM this evening to 10 AM EST Sunday.

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.

$$

MAZ002-008-009-051715-
/O.UPG.KBOX.WC.Y.0002.000000T0000Z-180105T1400Z/
/O.UPG.KBOX.WC.A.0001.180105T1400Z-180106T1900Z/
/O.NEW.KBOX.WC.W.0001.180105T1100Z-180107T1500Z/
Western Franklin MA-Western Hampshire MA-Western Hampden MA-
Including the cities of Charlemont, Chesterfield, and Blandford
402 AM EST Fri Jan 5 2018

...WIND CHILL WARNING IN EFFECT UNTIL 10 AM EST SUNDAY...

* 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 10 
  below zero to 35 below zero.

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

* WHEN...Until 10 AM EST Sunday.

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.

$$

MAZ010>012-026-051715-
/O.UPG.KBOX.WC.A.0001.180105T1100Z-180106T1900Z/
/O.NEW.KBOX.WC.W.0001.180106T0000Z-180107T1500Z/
Eastern Hampshire MA-Eastern Hampden MA-Southern Worcester MA-
Northern Middlesex MA-
Including the cities of Amherst, Northampton, Springfield, 
Milford, Worcester, and Ayer
402 AM EST Fri Jan 5 2018

...WIND CHILL WARNING IN EFFECT FROM 7 PM THIS EVENING TO 10 AM
EST SUNDAY...

* 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 10 
  below zero to 25 below zero.

* WHERE...Eastern Hampshire MA, Eastern Hampden MA, Southern 
  Worcester MA and Northern Middlesex MA Counties.

* WHEN...From 7 PM this evening to 10 AM EST Sunday.

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>004-051715-
/O.UPG.KBOX.WC.A.0001.180105T1100Z-180106T1900Z/
/O.NEW.KBOX.WC.Y.0003.180105T2100Z-180107T1500Z/
Hartford CT-Tolland CT-Windham CT-
Including the cities of Hartford, Windsor Locks, Union, Vernon, 
Putnam, and Willimantic
402 AM EST Fri Jan 5 2018

...WIND CHILL ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO
10 AM EST SUNDAY...

* 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 20 
  below zero.

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

* WHEN...From 4 PM this afternoon to 10 AM EST Sunday.

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.

$$

MAZ005>007-013>022-RIZ001>007-051715-
/O.UPG.KBOX.WC.A.0001.180106T0000Z-180106T1900Z/
/O.NEW.KBOX.WC.Y.0003.180106T0000Z-180107T1500Z/
Central Middlesex MA-Western Essex MA-Eastern Essex 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-Northwest Providence RI-Southeast Providence RI-
Western Kent RI-Eastern Kent RI-Bristol RI-Washington RI-
Newport RI-
Including the cities of Framingham, Lowell, Lawrence, Gloucester,
Foxborough, Norwood, Cambridge, Boston, Quincy, Taunton, 
Brockton, Plymouth, Fall River, New Bedford, Mattapoisett, 
Chatham, Falmouth, Provincetown, Foster, Smithfield, Providence, 
Coventry, West Greenwich, East Greenwich, Warwick, West Warwick, 
Bristol, Narragansett, Westerly, and Newport
402 AM EST Fri Jan 5 2018

...WIND CHILL ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 10 AM
EST SUNDAY...

* 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 25 
  below zero.

* WHERE...Rhode Island and eastern Massachusetts except for the 
  Islands.

* WHEN...From 7 PM this evening to 10 AM EST Sunday.

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
Jan 4, 7:14 PM ESTWind AdvisoryBOXBristol, Essex, Franklin, Hampden, Hampshire, Middlesex and 4 more5 hr
Jan 4, 9:57 PM ESTGale WarningBOX53 hr
Jan 5, 4:02 AM ESTWind Chill WarningBOXFranklin, Hampden, Hampshire, Middlesex, Worcester54 hr
Jan 5, 4:02 AM ESTWind Chill AdvisoryBOXBarnstable, Bristol, Dukes, Essex, Middlesex, Nantucket and 3 more54 hr
Jan 5, 8:22 AM ESTWind AdvisoryBOXBarnstable, Bristol, Dukes, Essex, Franklin, Hampden and 7 more14 hr

Nearby

Wind Chill Advisories in Massachusetts, 2018Every wind chill advisory in 2018

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.