Alert archive / Massachusetts / Frost Advisories in 2016

Frost Advisory 9, NWS Boston/Norton, MA

September 25, 20168 counties in Massachusetts

NWS Boston/Norton, MA issued this frost advisory at Sep 25, 2016, 8:03 AM EDT for 8 counties in Massachusetts. It took effect at Sep 26, 2016, 2:00 AM EDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Sep 25, 2016, 8:03 AM EDT (12:03 UTC)
In effect from
Sep 26, 2016, 2:00 AM EDT
Expired
Sep 26, 2016, 8:00 AM EDT
In force
6 hr
Issued by
NWS Boston/Norton, MA

Counties Bristol 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), 61 km from the middle of the area, began a volume at 12:09 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 12:00Z, 0.1 hours before the alert went out and 162 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 12:00Z on 2016-09-25Temperature 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 12:00Z on 2016-09-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -11 square meters per square second.1939587897117Sfc1 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
1338 m above ground
0-6 km bulk shear
82 kt
0-1 km storm-relative helicity
-11 m²/s²
0-3 km storm-relative helicity
19 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

581 
WWUS71 KBOX 251203
NPWBOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
803 AM EDT SUN SEP 25 2016

MAZ002>004-008-252015-
/O.EXP.KBOX.FR.Y.0008.000000T0000Z-160925T1200Z/
/O.NEW.KBOX.FR.Y.0009.160926T0600Z-160926T1200Z/
WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-
WESTERN HAMPSHIRE MA-
INCLUDING THE CITIES OF...CHARLEMONT...GREENFIELD...ORANGE...
BARRE...FITCHBURG...CHESTERFIELD
803 AM EDT SUN SEP 25 2016

...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM EDT MONDAY...
...FROST ADVISORY WILL EXPIRE AT 8 AM EDT THIS MORNING...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 8 AM EDT MONDAY.

* LOCATIONS...INCLUDE FRANKLIN...NORTHERN WORCESTER...AND 
  WESTERN HAMPSHIRE COUNTIES.

* TEMPERATURES...MID TO UPPER 30S.

* TIMING...EARLY TOMORROW MORNING.

* IMPACTS...SENSITIVE OUTDOOR PLANTS MAY BE IMPACTED IF NOT
  COVERED OR BROUGHT INSIDE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT WIDESPREAD FROST IS EXPECTED.
SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$

MAZ009-010-252015-
/O.NEW.KBOX.FR.Y.0009.160926T0600Z-160926T1200Z/
WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-
INCLUDING THE CITIES OF...BLANDFORD...AMHERST...NORTHAMPTON
803 AM EDT SUN SEP 25 2016

...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM EDT MONDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 8 AM EDT MONDAY.

* LOCATION...EASTERN HAMPSHIRE AND WESTERN HAMPDEN COUNTIES.

* TEMPERATURES...MID TO UPPER 30S.

* TIMING...EARLY TOMORROW MORNING.

* IMPACTS...SENSITIVE OUTDOOR PLANTS MAY BE IMPACTED IF NOT
  COVERED OR BROUGHT INSIDE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT WIDESPREAD FROST IS EXPECTED.
SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$

MAZ017-018-252015-
/O.NEW.KBOX.FR.Y.0009.160926T0600Z-160926T1200Z/
NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-
INCLUDING THE CITIES OF...TAUNTON...BROCKTON
803 AM EDT SUN SEP 25 2016

...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM EDT MONDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 8 AM EDT MONDAY.

* LOCATION...NORTHERN BRISTOL AND WESTERN PLYMOUTH COUNTIES.

* TEMPERATURES...IN THE MID 30S.

* TIMING...EARLY TOMORROW MORNING.

* IMPACTS...SENSITIVE OUTDOOR PLANTS MAY BE IMPACTED IF NOT
  COVERED OR BROUGHT INSIDE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT WIDESPREAD FROST IS EXPECTED.
SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$

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4 follow-up statements
959 
WWUS71 KBOX 251913
NPWBOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
313 PM EDT SUN SEP 25 2016

MAZ011>013-026-260315-
/O.EXA.KBOX.FR.Y.0009.160926T0600Z-160926T1200Z/
EASTERN HAMPDEN MA-SOUTHERN WORCESTER MA-WESTERN NORFOLK MA-
NORTHERN MIDDLESEX MA-
INCLUDING THE CITIES OF...SPRINGFIELD...MILFORD...WORCESTER...
FOXBOROUGH...NORWOOD...AYER
313 PM EDT SUN SEP 25 2016

...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM EDT MONDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 8 AM EDT MONDAY.

* LOCATIONS...SOUTH CENTRAL MASSACHUSETTS AND NORFOLK COUNTY IN
  INTERIOR SOUTHEAST MASSACHUSETTS.

* TEMPERATURES...IN THE MID 30S ACROSS RURAL AND SOME SUBURBAN VALLEYS.

* TIMING...EARLY MONDAY MORNING.

* IMPACTS...SENSITIVE OUTDOOR PLANTS MAY BE IMPACTED IF NOT 
  COVERED OR BROUGHT INSIDE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT WIDESPREAD FROST IS EXPECTED.
SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$

MAZ002>004-008>010-017-018-260315-
/O.CON.KBOX.FR.Y.0009.160926T0600Z-160926T1200Z/
WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-
WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-
NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-
INCLUDING THE CITIES OF...CHARLEMONT...GREENFIELD...ORANGE...
BARRE...FITCHBURG...CHESTERFIELD...BLANDFORD...AMHERST...
NORTHAMPTON...TAUNTON...BROCKTON
313 PM EDT SUN SEP 25 2016

...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM EDT
MONDAY...

* LOCATION...FRANKLIN...NORTHERN WORCESTER...HAMPSHIRE AND HAMPDEN
  COUNTIES IN NORTHERN AND WESTERN MASSACHUSETTS AS WELL AS
  NORTHERN BRISTOL AND WESTERN PLYMOUTH COUNTIES IN INTERIOR
  SOUTHEAST MASSACHUSETTS.

* TEMPERATURES...IN THE LOW TO MID 30S ACROSS RURAL AND SOME
  SUBURBAN VALLEYS.

* TIMING...EARLY MONDAY MORNING.

* IMPACTS...SENSITIVE OUTDOOR PLANTS MAY BE IMPACTED IF NOT 
  COVERED OR BROUGHT INSIDE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT WIDESPREAD FROST IS EXPECTED.
SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$

THOMPSON

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@NWSBOSTON
949 
WWUS71 KBOX 260205
NPWBOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
1005 PM EDT SUN SEP 25 2016

MAZ002>004-008>013-017-018-026-261015-
/O.CON.KBOX.FR.Y.0009.160926T0600Z-160926T1200Z/
WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-
WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-
EASTERN HAMPDEN MA-SOUTHERN WORCESTER MA-WESTERN NORFOLK MA-
NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-NORTHERN MIDDLESEX MA-
INCLUDING THE CITIES OF...CHARLEMONT...GREENFIELD...ORANGE...
BARRE...FITCHBURG...CHESTERFIELD...BLANDFORD...AMHERST...
NORTHAMPTON...SPRINGFIELD...MILFORD...WORCESTER...FOXBOROUGH...
NORWOOD...TAUNTON...BROCKTON...AYER
1005 PM EDT SUN SEP 25 2016

...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM EDT
MONDAY...

* LOCATION...FRANKLIN...NORTHERN WORCESTER...HAMPSHIRE AND 
  HAMPDEN COUNTIES IN NORTHERN AND WESTERN MASSACHUSETTS AS WELL 
  AS NORTHERN BRISTOL AND WESTERN PLYMOUTH COUNTIES IN INTERIOR 
  SOUTHEAST MASSACHUSETTS.

* TEMPERATURES...IN THE LOW TO MID 30S.

* TIMING...THROUGH EARLY MORNING.

* IMPACTS...SENSITIVE OUTDOOR PLANTS MAY BE IMPACTED IF NOT 
  COVERED OR BROUGHT INSIDE.

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
588 
WWUS71 KBOX 260805
NPWBOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
405 AM EDT MON SEP 26 2016

MAZ002>004-008>013-017-018-026-261200-
/O.CON.KBOX.FR.Y.0009.000000T0000Z-160926T1200Z/
WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-
WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-
EASTERN HAMPDEN MA-SOUTHERN WORCESTER MA-WESTERN NORFOLK MA-
NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-NORTHERN MIDDLESEX MA-
INCLUDING THE CITIES OF...CHARLEMONT...GREENFIELD...ORANGE...
BARRE...FITCHBURG...CHESTERFIELD...BLANDFORD...AMHERST...
NORTHAMPTON...SPRINGFIELD...MILFORD...WORCESTER...FOXBOROUGH...
NORWOOD...TAUNTON...BROCKTON...AYER
405 AM EDT MON SEP 26 2016

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

* LOCATION...FRANKLIN...NORTHERN WORCESTER...HAMPSHIRE AND 
  HAMPDEN COUNTIES IN NORTHERN AND WESTERN MASSACHUSETTS AS WELL 
  AS NORTHERN BRISTOL AND WESTERN PLYMOUTH COUNTIES IN INTERIOR 
  SOUTHEAST MASSACHUSETTS.

* TEMPERATURES...IN THE LOW TO MID 30S.

* TIMING...THROUGH 8 AM.

* IMPACTS...SENSITIVE OUTDOOR PLANTS MAY BE IMPACTED IF NOT 
  COVERED OR BROUGHT INSIDE.

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
571 
WWUS71 KBOX 261202
NPWBOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
802 AM EDT MON SEP 26 2016

MAZ002>004-008>013-017-018-026-261315-
/O.EXP.KBOX.FR.Y.0009.000000T0000Z-160926T1200Z/
WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-
WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-
EASTERN HAMPDEN MA-SOUTHERN WORCESTER MA-WESTERN NORFOLK MA-
NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-NORTHERN MIDDLESEX MA-
INCLUDING THE CITIES OF...CHARLEMONT...GREENFIELD...ORANGE...
BARRE...FITCHBURG...CHESTERFIELD...BLANDFORD...AMHERST...
NORTHAMPTON...SPRINGFIELD...MILFORD...WORCESTER...FOXBOROUGH...
NORWOOD...TAUNTON...BROCKTON...AYER
802 AM EDT MON SEP 26 2016

...FROST ADVISORY HAS EXPIRED...

$$

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

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WWW.FACEBOOK.COM/NWSBOSTON

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@NWSBOSTON

Nearby

Frost Advisories in Massachusetts, 2016Every frost advisory 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.