Alert archive / Massachusetts / Wind Advisories in 2021

Wind Advisory 18, NWS Boston/Norton, MA

November 12, 20217 counties in Massachusetts; 4 counties in Rhode Island

NWS Boston/Norton, MA issued this wind advisory at Nov 12, 2021, 3:13 AM EST for 7 counties in Massachusetts; 4 counties in Rhode Island. It took effect at Nov 12, 2021, 8:00 AM EST. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
Nov 12, 2021, 3:13 AM EST (08:13 UTC)
In effect from
Nov 12, 2021, 8:00 AM EST
Expired
Nov 12, 2021, 7:00 PM EST
In force
11 hr
Issued by
NWS Boston/Norton, MA

Counties Barnstable County, MA, Bristol County, MA, Dukes County, MA, Essex County, MA, Nantucket County, MA, Norfolk County, MA, Plymouth County, MA, Bristol County, RI, Kent County, RI, Newport County, RI, Washington County, RI

The radar

The Boston radar (KBOX), 28 km from the middle of the area, began a volume at 08:13 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

Brookhaven, NY (KOKX), launched 00:00Z, 8.2 hours before the alert went out and 186 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, Brookhaven, NY at 00:00Z on 2021-11-12Temperature 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, Brookhaven, NY at 00:00Z on 2021-11-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 227 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
666 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
227 m²/s²
0-3 km storm-relative helicity
325 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

306 
WWUS71 KBOX 120813
NPWBOX

URGENT - WEATHER MESSAGE
National Weather Service Boston/Norton MA
313 AM EST Fri Nov 12 2021

MAZ007-018>024-RIZ004>008-122115-
/O.NEW.KBOX.WI.Y.0018.211112T1300Z-211113T0000Z/
Eastern Essex MA-Western Plymouth MA-Eastern Plymouth MA-
Southern Bristol MA-Southern Plymouth MA-Barnstable MA-Dukes MA-
Nantucket MA-Eastern Kent RI-Bristol RI-Washington RI-Newport RI-
Block Island RI-
Including the cities of Gloucester, Brockton, Plymouth, 
Fall River, New Bedford, Mattapoisett, Chatham, Falmouth, 
Provincetown, Vineyard Haven, Nantucket, East Greenwich, Warwick,
West Warwick, Bristol, Narragansett, Westerly, Newport, 
and New Shoreham
313 AM EST Fri Nov 12 2021

...WIND ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 7 PM EST
THIS EVENING...

* WHAT...South winds 20 to 30 mph with gusts between 40 and 50 mph
  are expected.

* WHERE...The South coasts of both Massachusetts and Rhode Island,
  as well as coastal Essex county in northeast Massachusetts.

* WHEN...From 8 AM this morning to 7 PM EST this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down and power outages may result.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

Frank

For more information from the National Weather Service visit
https://weather.gov/box
3 follow-up statements
585 
WWUS71 KBOX 120912
NPWBOX

URGENT - WEATHER MESSAGE
National Weather Service Boston/Norton MA
412 AM EST Fri Nov 12 2021

MAZ007-018>024-RIZ004>008-122215-
/O.CON.KBOX.WI.Y.0018.211112T1300Z-211113T0000Z/
Eastern Essex MA-Western Plymouth MA-Eastern Plymouth MA-
Southern Bristol MA-Southern Plymouth MA-Barnstable MA-Dukes MA-
Nantucket MA-Eastern Kent RI-Bristol RI-Washington RI-Newport RI-
Block Island RI-
Including the cities of Gloucester, Brockton, Plymouth, 
Fall River, New Bedford, Mattapoisett, Chatham, Falmouth, 
Provincetown, Vineyard Haven, Nantucket, East Greenwich, Warwick,
West Warwick, Bristol, Narragansett, Westerly, Newport, 
and New Shoreham
412 AM EST Fri Nov 12 2021

...WIND ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 7 PM
EST THIS EVENING...

* WHAT...South winds 20 to 30 mph with gusts between 40 and 50 
  mph are expected.

* WHERE...The South coasts of both Massachusetts and Rhode Island,
  as well as portions of eastern Massachusetts.

* WHEN...From 8 AM this morning to 7 PM EST this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

Frank

For more information from the National Weather Service visit
https://weather.gov/box
851 
WWUS71 KBOX 122009
NPWBOX

URGENT - WEATHER MESSAGE
National Weather Service Boston/Norton MA
309 PM EST Fri Nov 12 2021

MAZ007-018>024-RIZ004>008-130000-
/O.CON.KBOX.WI.Y.0018.000000T0000Z-211113T0000Z/
Eastern Essex MA-Western Plymouth MA-Eastern Plymouth MA-
Southern Bristol MA-Southern Plymouth MA-Barnstable MA-Dukes MA-
Nantucket MA-Eastern Kent RI-Bristol RI-Washington RI-Newport RI-
Block Island RI-
Including the cities of Gloucester, Brockton, Plymouth, 
Fall River, New Bedford, Mattapoisett, Chatham, Falmouth, 
Provincetown, Vineyard Haven, Nantucket, East Greenwich, Warwick,
West Warwick, Bristol, Narragansett, Westerly, Newport, 
and New Shoreham
309 PM EST Fri Nov 12 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING...

* WHAT...South winds 20 to 30 mph with gusts between 40 and 50 
  mph are expected.

* WHERE...The South coasts of both Massachusetts and Rhode 
  Island, as well as portions of eastern Massachusetts.

* WHEN...Until 7 PM EST this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

Nash

For more information from the National Weather Service visit
https://weather.gov/box
358 
WWUS71 KBOX 122356
NPWBOX

URGENT - WEATHER MESSAGE
National Weather Service Boston/Norton MA
656 PM EST Fri Nov 12 2021

MAZ007-018>024-RIZ004>008-130100-
/O.EXP.KBOX.WI.Y.0018.000000T0000Z-211113T0000Z/
Eastern Essex MA-Western Plymouth MA-Eastern Plymouth MA-
Southern Bristol MA-Southern Plymouth MA-Barnstable MA-Dukes MA-
Nantucket MA-Eastern Kent RI-Bristol RI-Washington RI-Newport RI-
Block Island RI-
Including the cities of Gloucester, Brockton, Plymouth, 
Fall River, New Bedford, Mattapoisett, Chatham, Falmouth, 
Provincetown, Vineyard Haven, Nantucket, East Greenwich, Warwick,
West Warwick, Bristol, Narragansett, Westerly, Newport, 
and New Shoreham
656 PM EST Fri Nov 12 2021

...WIND ADVISORY WILL EXPIRE AT 7 PM EST THIS EVENING...

The cold front has moved through Southern New England. Winds are
shifting out of the west and diminishing.

$$

For more information from the National Weather Service visit
https://weather.gov/box

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 12, 12:48 PM ESTSpecial Weather StatementBOXWorcester42 min
Nov 12, 1:33 PM ESTSpecial Weather StatementBOXNorfolk42 min
Nov 12, 1:35 PM ESTSpecial Weather StatementBOXWorcester40 min
Nov 12, 3:12 PM ESTAreal Flood WarningBOXBristol3 hr
Nov 12, 3:20 PM ESTSpecial Weather StatementBOXEssex, Middlesex40 min
Nov 12, 3:24 PM ESTSpecial Marine WarningBOX27 min
Nov 12, 3:31 PM ESTSpecial Weather StatementBOXSuffolk44 min
Nov 12, 3:41 PM ESTSpecial Marine WarningBOX30 min
Nov 12, 4:54 PM ESTSmall Craft AdvisoryBOX5 hr
Nov 12, 5:30 PM ESTSpecial Marine WarningBOX45 min
Nov 12, 5:52 PM ESTTornado WarningBOXNantucket11 min
Nov 12, 2:03 PM ESTSpecial Weather StatementBOXKent57 min

Nearby

Wind Advisories in Massachusetts, 2021Wind Advisories in Rhode Island, 2021Every wind advisory in 2021

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.