Alert archive / Massachusetts / Wind Advisories in 2017

Wind Advisory 16, NWS Boston/Norton, MA

April 4, 2017Nantucket County, Massachusetts

NWS Boston/Norton, MA issued this wind advisory at Apr 4, 2017, 3:01 PM EDT for Nantucket County, Massachusetts. It was in force for 62 min.

The area

The counties it named.

The facts

Issued
Apr 4, 2017, 3:01 PM EDT (19:01 UTC)
Expired
Apr 4, 2017, 4:03 PM EDT
In force
62 min
Issued by
NWS Boston/Norton, MA

County Nantucket County, MA

The radar

The Boston radar (KBOX), 120 km from the middle of the area, began a volume at 19:00 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, 7.0 hours before the alert went out and 45 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 2017-04-04Temperature 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 2017-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 square meters per square second.1939587897Sfc1 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
1584 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
223 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

551 
WWUS71 KBOX 041901
NPWBOX

URGENT - WEATHER MESSAGE
National Weather Service Taunton MA
301 PM EDT Tue Apr 4 2017

MAZ022-042015-
/O.CAN.KBOX.WI.Y.0015.000000T0000Z-170404T2100Z/
Barnstable MA-
Including the cities of Chatham, Falmouth, and Provincetown
301 PM EDT Tue Apr 4 2017

...WIND ADVISORY IS CANCELLED...

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

Wind gusts will remain less than 35 mph this evening.

$$

MAZ024-042100-
/O.EXP.KBOX.WI.Y.0015.000000T0000Z-170404T1900Z/
/O.NEW.KBOX.WI.Y.0016.170404T1901Z-170404T2100Z/
Nantucket MA-
Including the city of Nantucket
301 PM EDT Tue Apr 4 2017

...WIND ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON...
...WIND ADVISORY HAS EXPIRED...

The National Weather Service in Taunton has issued a Wind
Advisory, which is in effect until 5 PM EDT this afternoon.

* Location...Nantucket

* Winds...Southeast 20 to 25 mph with gusts up to 45 mph.

* Timing...Winds gradually diminish this evening.

* Impacts...These winds may result in a few downed trees or tree 
  limbs, and also result in isolated power outages.

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.

&&

$$

MAZ023-042015-
/O.EXP.KBOX.WI.Y.0015.000000T0000Z-170404T1900Z/
Dukes MA-
Including the city of Vineyard Haven
301 PM EDT Tue Apr 4 2017

...WIND ADVISORY HAS EXPIRED...

Wind gusts will remain less than 35 mph this evening.

$$

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
412 
WWUS71 KBOX 042003
NPWBOX

URGENT - WEATHER MESSAGE
National Weather Service Taunton MA
403 PM EDT Tue Apr 4 2017

MAZ024-042115-
/O.CAN.KBOX.WI.Y.0016.000000T0000Z-170404T2100Z/
Nantucket MA-
Including the city of Nantucket
403 PM EDT Tue Apr 4 2017

...WIND ADVISORY IS CANCELLED...

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

East to northeast wind gusts will continue to diminish less than 
40 mph this evening.

$$

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
Apr 4, 2:02 PM EDTSmall Craft AdvisoryBOX37 hr
Apr 4, 3:38 PM EDTFlood WatchBOXBarnstable, Bristol, Dukes, Essex, Franklin, Hampden and 7 more59 hr

Nearby

Wind Advisories in Massachusetts, 2017Every wind 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.