Alert archive / Massachusetts / Frost Advisories in 2016

Frost Advisory 2, NWS Boston/Norton, MA

April 23, 20164 counties in Massachusetts; Capitol Planning Region, Northeastern Connecticut Planning Region, Connecticut; Providence County, Rhode Island

NWS Boston/Norton, MA issued this frost advisory at Apr 23, 2016, 3:30 AM EDT for 4 counties in Massachusetts; Capitol Planning Region, Northeastern Connecticut Planning Region, Connecticut; Providence County, Rhode Island. It took effect at Apr 24, 2016, 2:00 AM EDT. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Apr 23, 2016, 3:30 AM EDT (07:30 UTC)
In effect from
Apr 24, 2016, 2:00 AM EDT
Expired
Apr 24, 2016, 4:12 AM EDT
In force
2 hr
Issued by
NWS Boston/Norton, MA

Counties Capitol Planning Region, CT, Northeastern Connecticut Planning Region, CT, Bristol County, MA, Essex County, MA, Middlesex County, MA, Plymouth County, MA, Providence County, RI

The radar

The Boston radar (KBOX), 29 km from the middle of the area, began a volume at 07:35 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, 7.5 hours before the alert went out and 131 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 2016-04-23Temperature 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 2016-04-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 93 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
931 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
93 m²/s²
0-3 km storm-relative helicity
52 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

812 
WWUS71 KBOX 230730
NPWBOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
330 AM EDT SAT APR 23 2016

CTZ002>004-MAZ007-014-017-018-RIZ001-231530-
/O.NEW.KBOX.FR.Y.0002.160424T0600Z-160424T1200Z/
HARTFORD CT-TOLLAND CT-WINDHAM CT-EASTERN ESSEX MA-
SOUTHEAST MIDDLESEX MA-NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-
NORTHWEST PROVIDENCE RI-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...PUTNAM...WILLIMANTIC...GLOUCESTER...CAMBRIDGE...
TAUNTON...BROCKTON...FOSTER...SMITHFIELD
330 AM EDT SAT APR 23 2016

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

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

* LOCATION...PARTS OF NORTHERN CONNECTICUT...NORTHERN RHODE ISLAND
  AND EASTERN MASSACHUSETTS.

* TEMPERATURES...IN THE MID 30S.

* TIMING...LATE TONIGHT THROUGH EARLY SUNDAY MORNING.

* IMPACTS...SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT
  UNCOVERED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY IS ISSUED FOR FROST DURING THE GROWING SEASON. PROTECT
ANY VEGETATION THAT IS SUSCEPTIBLE TO FROST DAMAGE. COVER POTTED PLANTS
OR BRING THEM INSIDE IF POSSIBLE.

&&

$$

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

YOU CAN FOLLOW US ON FACEBOOK AT
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.BOSTON.GOV

YOU CAN FOLLOW US ON TWITTER AT
@NWSBOSTON
4 follow-up statements
499 
WWUS71 KBOX 231433
NPWBOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
1033 AM EDT SAT APR 23 2016

CTZ002>004-MAZ007-014-017-018-RIZ001-232245-
/O.CON.KBOX.FR.Y.0002.160424T0600Z-160424T1200Z/
HARTFORD CT-TOLLAND CT-WINDHAM CT-EASTERN ESSEX MA-
SOUTHEAST MIDDLESEX MA-NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-
NORTHWEST PROVIDENCE RI-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...PUTNAM...WILLIMANTIC...GLOUCESTER...CAMBRIDGE...
TAUNTON...BROCKTON...FOSTER...SMITHFIELD
1033 AM EDT SAT APR 23 2016

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

* LOCATION...PARTS OF NORTHERN CONNECTICUT...NORTHERN RHODE 
  ISLAND AND EASTERN MASSACHUSETTS.

* TEMPERATURES...IN THE UPPER 30S.

* TIMING...LATE TONIGHT THROUGH EARLY SUNDAY MORNING.

* IMPACTS...SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT 
  UNCOVERED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY IS ISSUED FOR FROST DURING THE GROWING SEASON.
PROTECT ANY VEGETATION THAT IS SUSCEPTIBLE TO FROST DAMAGE. COVER
POTTED PLANTS OR BRING THEM INSIDE IF POSSIBLE.

&&

$$


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

YOU CAN FOLLOW US ON FACEBOOK AT
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.BOSTON.GOV

YOU CAN FOLLOW US ON TWITTER AT
@NWSBOSTON
368 
WWUS71 KBOX 231946
NPWBOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
346 PM EDT SAT APR 23 2016

CTZ002>004-MAZ007-014-017-018-RIZ001-240400-
/O.CON.KBOX.FR.Y.0002.160424T0600Z-160424T1200Z/
HARTFORD CT-TOLLAND CT-WINDHAM CT-EASTERN ESSEX MA-
SOUTHEAST MIDDLESEX MA-NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-
NORTHWEST PROVIDENCE RI-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...PUTNAM...WILLIMANTIC...GLOUCESTER...CAMBRIDGE...
TAUNTON...BROCKTON...FOSTER...SMITHFIELD
346 PM EDT SAT APR 23 2016

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

* LOCATION...PARTS OF NORTHERN CONNECTICUT...NORTHERN RHODE 
  ISLAND AND EASTERN MASSACHUSETTS.

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

* TIMING...LATE TONIGHT THROUGH EARLY SUNDAY MORNING.

* IMPACTS...SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT 
  UNCOVERED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY IS ISSUED FOR FROST DURING THE GROWING SEASON.
PROTECT ANY VEGETATION THAT IS SUSCEPTIBLE TO FROST DAMAGE. COVER
POTTED PLANTS OR BRING THEM INSIDE IF POSSIBLE.

&&

$$


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

YOU CAN FOLLOW US ON FACEBOOK AT
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.BOSTON.GOV

YOU CAN FOLLOW US ON TWITTER AT
@NWSBOSTON
412 
WWUS71 KBOX 240305
NPWBOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
1105 PM EDT SAT APR 23 2016

CTZ002>004-MAZ007-014-017-018-RIZ001-240900-
/O.CON.KBOX.FR.Y.0002.160424T0600Z-160424T1200Z/
HARTFORD CT-TOLLAND CT-WINDHAM CT-EASTERN ESSEX MA-
SOUTHEAST MIDDLESEX MA-NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-
NORTHWEST PROVIDENCE RI-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...PUTNAM...WILLIMANTIC...GLOUCESTER...CAMBRIDGE...
TAUNTON...BROCKTON...FOSTER...SMITHFIELD
1105 PM EDT SAT APR 23 2016

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT SUNDAY...

* LOCATION...PARTS OF NORTHERN CONNECTICUT...NORTHERN RHODE 
  ISLAND AND EASTERN MASSACHUSETTS. 

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

* TIMING...LATE TONIGHT THROUGH EARLY SUNDAY MORNING. ANOTHER
  FROST ADVISORY MAY NEED TO BE ISSUED FOR SUNDAY NIGHT.

* IMPACTS...SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT
  UNCOVERED IN LOW SPOTS SHELTERED FROM THE WIND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY IS ISSUED FOR FROST DURING THE GROWING SEASON.
PROTECT ANY VEGETATION THAT IS SUSCEPTIBLE TO FROST DAMAGE. COVER
POTTED PLANTS OR BRING THEM INSIDE IF POSSIBLE.

&&

$$

THOMPSON
718 
WWUS71 KBOX 240812
NPWBOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
412 AM EDT SUN APR 24 2016

CTZ002>004-MAZ007-014-017-018-RIZ001-240915-
/O.CAN.KBOX.FR.Y.0002.000000T0000Z-160424T1200Z/
HARTFORD CT-TOLLAND CT-WINDHAM CT-EASTERN ESSEX MA-
SOUTHEAST MIDDLESEX MA-NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-
NORTHWEST PROVIDENCE RI-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...PUTNAM...WILLIMANTIC...GLOUCESTER...CAMBRIDGE...
TAUNTON...BROCKTON...FOSTER...SMITHFIELD
412 AM EDT SUN APR 24 2016

...FROST ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS CANCELLED THE FROST
ADVISORY.

ALTHOUGH TEMPERATURES WERE DROPPING INTO THE 30S IN SOME
LOCATIONS...THERE WAS JUST ENOUGH WIND TO KEEP THE AIR STIRRED.
THAT AND THE DRYNESS OF THE AIR MASS PRECLUDE ANY WIDESPREAD
FROST FORMATION.

$$


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

YOU CAN FOLLOW US ON FACEBOOK AT
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.BOSTON.GOV

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
Apr 23, 10:57 AM EDTSmall Craft AdvisoryBOX32 hr
Apr 22, 8:14 PM EDTSpecial Weather StatementBOX31 min

Nearby

Frost Advisories in Massachusetts, 2016Frost Advisories in Connecticut, 2016Frost Advisories in Rhode Island, 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.