Alert archive / Massachusetts / Wind Advisories in 2018

Wind Advisory 30, NWS Boston/Norton, MA

November 16, 2018Barnstable County, Nantucket County, Massachusetts

NWS Boston/Norton, MA issued this wind advisory at Nov 16, 2018, 9:03 AM EST for Barnstable County, Nantucket County, Massachusetts. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Nov 16, 2018, 9:03 AM EST (14:03 UTC)
Expired
Nov 16, 2018, 11:59 AM EST
In force
3 hr
Issued by
NWS Boston/Norton, MA

Counties Barnstable County, MA, Nantucket County, MA

The radar

The Boston radar (KBOX), 98 km from the middle of the area, began a volume at 14:02 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, 2.1 hours before the alert went out and 26 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 2018-11-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 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 2018-11-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 466 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
535 m above ground
0-6 km bulk shear
112 kt
0-1 km storm-relative helicity
466 m²/s²
0-3 km storm-relative helicity
529 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

209 
WWUS71 KBOX 161403
NPWBOX

URGENT - WEATHER MESSAGE
National Weather Service Boston/Norton MA
903 AM EST Fri Nov 16 2018

MAZ022-024-161700-
/O.EXP.KBOX.HW.W.0013.000000T0000Z-181116T1400Z/
/O.NEW.KBOX.WI.Y.0030.181116T1403Z-181116T1700Z/
Barnstable MA-Nantucket MA-
Including the cities of Chatham, Falmouth, Provincetown, 
and Nantucket
903 AM EST Fri Nov 16 2018

...WIND ADVISORY IN EFFECT UNTIL NOON EST TODAY...
...HIGH WIND WARNING HAS EXPIRED...

The National Weather Service in Boston/Norton has issued a Wind
Advisory, which is in effect until noon EST today.

* WINDS...Southwest 15 to 30 mph with gusts between 40 and 50 
  mph.

* TIMING...This morning with diminishing winds this afternoon.

* IMPACTS...Strong winds may result in isolated downed trees and
  isolated power outages.

* LOCATION...Cape Cod and Nantucket.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained winds of 31 to 39 mph are
expected, with gusts between 46 to 57 mph. Winds this strong are
capable of downing small tree limbs and branches, possibly
causing isolated power outages. Driving can also be difficult,
especially for high profile vehicles. Use extra caution.

&&

$$

MAZ023-RIZ008-161515-
/O.EXP.KBOX.HW.W.0013.000000T0000Z-181116T1400Z/
Dukes MA-Block Island RI-
Including the cities of Vineyard Haven and New Shoreham
903 AM EST Fri Nov 16 2018

...HIGH WIND WARNING HAS EXPIRED...

Strong to damaging winds have diminished.

$$

MAZ007-014>016-019>021-RIZ006-007-161515-
/O.CAN.KBOX.WI.Y.0029.000000T0000Z-181116T1500Z/
Eastern Essex MA-Southeast Middlesex MA-Suffolk MA-
Eastern Norfolk MA-Eastern Plymouth MA-Southern Bristol MA-
Southern Plymouth MA-Washington RI-Newport RI-
Including the cities of Gloucester, Cambridge, Boston, Quincy, 
Plymouth, Fall River, New Bedford, Mattapoisett, Narragansett, 
Westerly, and Newport
903 AM EST Fri Nov 16 2018

...WIND ADVISORY IS CANCELLED...

The National Weather Service in Boston/Norton has cancelled the
Wind Advisory.

Strong winds have diminished.

$$

Frank

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
1 follow-up statement
527 
WWUS71 KBOX 161659
NPWBOX

URGENT - WEATHER MESSAGE
National Weather Service Boston/Norton MA
1159 AM EST Fri Nov 16 2018

MAZ022-024-161800-
/O.CAN.KBOX.WI.Y.0030.000000T0000Z-181116T1700Z/
Barnstable MA-Nantucket MA-
Including the cities of Chatham, Falmouth, Provincetown, 
and Nantucket
1159 AM EST Fri Nov 16 2018

...WIND ADVISORY IS CANCELLED...

The National Weather Service in Boston/Norton has cancelled the
Wind Advisory.

Winds have diminished below advisory criteria...therefore the wind
advisory has been cancelled.

$$

Frank

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

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 16, 2:11 AM ESTWinter Weather AdvisoryBOXEssex, Middlesex2 hr
Nov 16, 4:16 AM ESTWinter Weather AdvisoryBOXFranklin, Hampden, Hampshire8 hr
Nov 16, 9:04 AM ESTSmall Craft AdvisoryBOX10 hr

Nearby

Wind Advisories in Massachusetts, 2018Every wind 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.