Alert archive / Massachusetts / Wind Advisories in 2011

Wind Advisory 22, NWS Boston/Norton, MA

October 30, 2011Barnstable County, Dukes County, Nantucket County, Massachusetts

NWS Boston/Norton, MA issued this wind advisory at Oct 30, 2011, 10:17 AM EDT for Barnstable County, Dukes County, Nantucket County, Massachusetts. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Oct 30, 2011, 10:17 AM EDT (14:17 UTC)
Expired
Oct 30, 2011, 3:59 PM EDT
In force
6 hr
Issued by
NWS Boston/Norton, MA

Counties Barnstable County, MA, Dukes County, MA, Nantucket County, MA

The radar

The Boston radar (KBOX), 88 km from the middle of the area, began a volume at 14:21 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, 2.3 hours before the alert went out and 39 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 2011-10-30Temperature 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 2011-10-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -101 square meters per square second.1939587897117136Sfc1 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
497 m above ground
0-6 km bulk shear
102 kt
0-1 km storm-relative helicity
-101 m²/s²
0-3 km storm-relative helicity
110 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

363 
WWUS71 KBOX 301417
NPWBOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
1017 AM EDT SUN OCT 30 2011

...STRONG AND GUSTY WINDS WILL CONTINUE TO IMPACT THE CAPE AND
ISLANDS...

MAZ022>024-302100-
/O.CAN.KBOX.HW.W.0004.000000T0000Z-111030T1800Z/
/O.NEW.KBOX.WI.Y.0022.111030T1417Z-111030T2100Z/
BARNSTABLE MA-DUKES MA-NANTUCKET MA-
INCLUDING THE CITIES OF...CHATHAM...FALMOUTH...PROVINCETOWN...
VINEYARD HAVEN...NANTUCKET
1017 AM EDT SUN OCT 30 2011

...WIND ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON...
...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON. THE
HIGH WIND WARNING HAS BEEN CANCELLED. 

* LOCATIONS...CAPE COD...MARTHAS VINEYARD...AND NANTUCKET.

* HAZARDS...DAMAGING NORTH TO NORTHWEST WINDS.

* WINDS...NORTHWEST 25 TO 35 MPH WITH GUSTS UP TO 50 MPH.

* TIMING...STRONGEST WINDS ON THE CAPE AND ISLANDS UNTIL 5 PM...
  THEN DIMINISHING.

* IMPACTS...STRONG WINDS WILL HAVE THE POTENTIAL TO BRING DOWN
  TREES AND POWER LINES...RESULTING IN POWER OUTAGES. DAMAGE TO
  STRUCTURES IS ALSO POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST TO BE
31 TO 39 MPH OR GUSTS WILL RANGE BETWEEN 46 AND 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.

&&

$$

RIZ008-301530-
/O.CAN.KBOX.HW.W.0004.000000T0000Z-111030T1800Z/
BLOCK ISLAND RI-
INCLUDING THE CITY OF...BLOCK ISLAND
1017 AM EDT SUN OCT 30 2011

...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS CANCELLED THE HIGH
WIND WARNING. 

WHILE GUSTY WINDS WILL CONTINUE THROUGH THE AFTERNOON PERIOD...
THEY WILL REMAIN BELOW WIND ADVISORY THRESHOLD OF 45 MPH.

$$

SIPPRELL
1 follow-up statement
188 
WWUS71 KBOX 301959
NPWBOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
359 PM EDT SUN OCT 30 2011

MAZ022>024-302100-
/O.CAN.KBOX.WI.Y.0022.000000T0000Z-111030T2100Z/
BARNSTABLE MA-DUKES MA-NANTUCKET MA-
INCLUDING THE CITIES OF...CHATHAM...FALMOUTH...PROVINCETOWN...
VINEYARD HAVEN...NANTUCKET
359 PM EDT SUN OCT 30 2011

...WIND ADVISORY IS CANCELLED...

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

ALTHOUGH WINDS HAVE DIMINISHED BELOW WIND ADVISORY THRESHOLDS...
THERE WILL STILL BE THE POTENTIAL FOR STRONG AND GUSTY NORTHWEST
WINDS INTO THE EARLY EVENING PERIOD.

$$

SIPPRELL

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 30, 4:02 AM EDTGale WarningBOX17 hr
Oct 30, 1:45 PM EDTSmall Craft AdvisoryBOX21 hr

Nearby

Wind Advisories in Massachusetts, 2011Every wind advisory in 2011

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.