Alert archive / Massachusetts / Frost Advisories in 2017

Frost Advisory 3, NWS Boston/Norton, MA

October 12, 20179 counties in Massachusetts; Capitol Planning Region, Northeastern Connecticut Planning Region, Connecticut

NWS Boston/Norton, MA issued this frost advisory at Oct 12, 2017, 4:26 AM EDT for 9 counties in Massachusetts; Capitol Planning Region, Northeastern Connecticut Planning Region, Connecticut. It took effect at Oct 13, 2017, 3:00 AM EDT. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Oct 12, 2017, 4:26 AM EDT (08:26 UTC)
In effect from
Oct 13, 2017, 3:00 AM EDT
Expired
Oct 13, 2017, 7:01 AM EDT
In force
4 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, Worcester County, MA

The radar

The Boston radar (KBOX), 59 km from the middle of the area, began a volume at 08:27 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 00:00Z, 8.4 hours before the alert went out and 161 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 00:00Z on 2017-10-12Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Chatham, MA at 00:00Z on 2017-10-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -54 square meters per square second.19395878Sfc1 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
1475 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
-54 m²/s²
0-3 km storm-relative helicity
28 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

062 
WWUS71 KBOX 120826
NPWBOX

URGENT - WEATHER MESSAGE
National Weather Service Taunton MA
426 AM EDT Thu Oct 12 2017

CTZ002>004-MAZ002>006-008>014-017-018-026-121630-
/O.NEW.KBOX.FR.Y.0003.171013T0700Z-171013T1200Z/
Hartford CT-Tolland CT-Windham CT-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-
Western Norfolk MA-Southeast Middlesex MA-Northern Bristol MA-
Western Plymouth MA-Northern Middlesex MA-
Including the cities of Hartford, Windsor Locks, Union, Vernon, 
Putnam, Willimantic, Charlemont, Greenfield, Orange, Barre, 
Fitchburg, Framingham, Lowell, Lawrence, Chesterfield, Blandford,
Amherst, Northampton, Springfield, Milford, Worcester, 
Foxborough, Norwood, Cambridge, Taunton, Brockton, and Ayer
426 AM EDT Thu Oct 12 2017

...FROST ADVISORY IN EFFECT FROM 3 AM TO 8 AM EDT FRIDAY...

The National Weather Service in Taunton has issued a Frost
Advisory, which is in effect from 3 AM to 8 AM EDT Friday.

* Location...North central and northeast Connecticut as well as
  most of Massachusetts away from the immediate coast.

* Temperatures...in the lower to mid 30s.

* Timing...during the early morning hours on Friday.

* Impacts...Any outdoor tender vegetation may be damaged or killed
  by these cold temperatures.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Frost Advisory means that widespread frost is expected.
Sensitive outdoor plants may be killed if left uncovered.

&&

$$

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
4 follow-up statements
316 
WWUS71 KBOX 122018
NPWBOX

URGENT - WEATHER MESSAGE
National Weather Service Taunton MA
418 PM EDT Thu Oct 12 2017


CTZ002>004-MAZ002>006-008>014-017-018-026-130430-
/O.CON.KBOX.FR.Y.0003.171013T0700Z-171013T1200Z/
Hartford CT-Tolland CT-Windham CT-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-
Western Norfolk MA-Southeast Middlesex MA-Northern Bristol MA-
Western Plymouth MA-Northern Middlesex MA-
Including the cities of Hartford, Windsor Locks, Union, Vernon, 
Putnam, Willimantic, Charlemont, Greenfield, Orange, Barre, 
Fitchburg, Framingham, Lowell, Lawrence, Chesterfield, Blandford,
Amherst, Northampton, Springfield, Milford, Worcester, 
Foxborough, Norwood, Cambridge, Taunton, Brockton, and Ayer
418 PM EDT Thu Oct 12 2017

...FROST ADVISORY REMAINS IN EFFECT FROM 3 AM TO 8 AM EDT
FRIDAY...

* Location...North central and northeast Connecticut as well as 
  most of Massachusetts away from the immediate coast. 

* Temperatures...in the 30s, coldest in sheltered valleys.

* Timing...during the early morning hours on Friday.

* Impacts...Any outdoor tender vegetation may be damaged or 
  killed by these cold temperatures. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Frost Advisory means that widespread frost is expected.
Sensitive outdoor plants may be killed if left uncovered.

&&

$$
194 
WWUS71 KBOX 130244
NPWBOX

URGENT - WEATHER MESSAGE
National Weather Service Taunton MA
1044 PM EDT Thu Oct 12 2017

CTZ002>004-MAZ002>006-008>014-017-018-026-131000-
/O.CON.KBOX.FR.Y.0003.171013T0700Z-171013T1200Z/
Hartford CT-Tolland CT-Windham CT-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-
Western Norfolk MA-Southeast Middlesex MA-Northern Bristol MA-
Western Plymouth MA-Northern Middlesex MA-
Including the cities of Hartford, Windsor Locks, Union, Vernon, 
Putnam, Willimantic, Charlemont, Greenfield, Orange, Barre, 
Fitchburg, Framingham, Lowell, Lawrence, Chesterfield, Blandford,
Amherst, Northampton, Springfield, Milford, Worcester, 
Foxborough, Norwood, Cambridge, Taunton, Brockton, and Ayer
1044 PM EDT Thu Oct 12 2017

...FROST ADVISORY REMAINS IN EFFECT FROM 3 AM TO 8 AM EDT
FRIDAY...

* Location...North central and northeast Connecticut as well as 
  most of Massachusetts away from the immediate coast.

* Temperatures...in the mid to upper 30s.

* Timing...during the early morning hours on Friday.

* Impacts...Any outdoor tender vegetation may be damaged or killed 
  by these cold temperatures.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Frost Advisory means that widespread frost is expected.
Sensitive outdoor plants may be killed if left uncovered.

&&

$$

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
179 
WWUS71 KBOX 130749
NPWBOX

URGENT - WEATHER MESSAGE
National Weather Service Taunton MA
349 AM EDT Fri Oct 13 2017

CTZ002>004-MAZ002>006-008>014-017-018-026-131200-
/O.CON.KBOX.FR.Y.0003.000000T0000Z-171013T1200Z/
Hartford CT-Tolland CT-Windham CT-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-
Western Norfolk MA-Southeast Middlesex MA-Northern Bristol MA-
Western Plymouth MA-Northern Middlesex MA-
Including the cities of Hartford, Windsor Locks, Union, Vernon, 
Putnam, Willimantic, Charlemont, Greenfield, Orange, Barre, 
Fitchburg, Framingham, Lowell, Lawrence, Chesterfield, Blandford,
Amherst, Northampton, Springfield, Milford, Worcester, 
Foxborough, Norwood, Cambridge, Taunton, Brockton, and Ayer
349 AM EDT Fri Oct 13 2017

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING...

* Location...North central and northeast Connecticut as well as 
  most of Massachusetts away from the immediate coast.

* Temperatures...in the lower to mid 30s.

* Timing...through 7 AM today.

* Impacts...Any outdoor tender vegetation may be damaged or 
  killed by these cold temperatures.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Frost Advisory means that widespread frost is expected.
Sensitive outdoor plants may be killed if left uncovered.

&&

$$

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
078 
WWUS71 KBOX 131101
NPWBOX

URGENT - WEATHER MESSAGE
National Weather Service Taunton MA
701 AM EDT Fri Oct 13 2017

CTZ002>004-MAZ002>006-008>014-017-018-026-131215-
/O.CAN.KBOX.FR.Y.0003.000000T0000Z-171013T1200Z/
Hartford CT-Tolland CT-Windham CT-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-
Western Norfolk MA-Southeast Middlesex MA-Northern Bristol MA-
Western Plymouth MA-Northern Middlesex MA-
Including the cities of Hartford, Windsor Locks, Union, Vernon, 
Putnam, Willimantic, Charlemont, Greenfield, Orange, Barre, 
Fitchburg, Framingham, Lowell, Lawrence, Chesterfield, Blandford,
Amherst, Northampton, Springfield, Milford, Worcester, 
Foxborough, Norwood, Cambridge, Taunton, Brockton, and Ayer
701 AM EDT Fri Oct 13 2017

...FROST ADVISORY IS CANCELLED...

The National Weather Service in Taunton has cancelled the Frost
Advisory.

At 7 am temperatures are beginning to rise and the threat of frost
is diminishing. Thus the frost advisory has been cancelled.

$$

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

Nearby

Frost Advisories in Massachusetts, 2017Frost Advisories in Connecticut, 2017Every frost advisory 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.