Alert archive / Massachusetts / Wind Advisories in 2011

Wind Advisory 21, NWS Boston/Norton, MA

October 15, 20115 counties in Massachusetts; Newport County, Washington County, Rhode Island

NWS Boston/Norton, MA issued this wind advisory at Oct 15, 2011, 4:12 AM EDT for 5 counties in Massachusetts; Newport County, Washington County, Rhode Island. It took effect at Oct 15, 2011, 4:00 PM EDT. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Oct 15, 2011, 4:12 AM EDT (08:12 UTC)
In effect from
Oct 15, 2011, 4:00 PM EDT
Expired
Oct 16, 2011, 2:00 AM EDT
In force
10 hr
Issued by
NWS Boston/Norton, MA

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

The radar

The Boston radar (KBOX), 51 km from the middle of the area, began a volume at 08:11 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, 8.2 hours before the alert went out and 71 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 2011-10-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 310 joules per kilogram.LCLLFCEL10008507005003002001001 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 2011-10-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 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
310 J/kg
Mixed-layer CIN
-80 J/kg
Mixed-layer LCL
487 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
111 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

485 
WWUS71 KBOX 150812
NPWBOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
412 AM EDT SAT OCT 15 2011

...STRONG WINDS LATE THIS AFTERNOON INTO TONIGHT...

.LOW PRESSURE OVER SOUTHEAST CANADA WILL DEVELOP INTO A POWERFUL
STORM SYSTEM TODAY AND TONIGHT RESULTING IN STRONG WINDS ACROSS
THE SOUTH COAST OF MASSACHUSETTS AND RHODE ISLAND.

MAZ020>024-RIZ006>008-151615-
/O.NEW.KBOX.WI.Y.0021.111015T2000Z-111016T0900Z/
SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-BARNSTABLE MA-DUKES MA-
NANTUCKET MA-WASHINGTON RI-NEWPORT RI-BLOCK ISLAND RI-
INCLUDING THE CITIES OF...FALL RIVER...NEW BEDFORD...
MATTAPOISETT...CHATHAM...FALMOUTH...PROVINCETOWN...
VINEYARD HAVEN...NANTUCKET...NARRAGANSETT...WESTERLY...NEWPORT...
BLOCK ISLAND
412 AM EDT SAT OCT 15 2011

...WIND ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 5 AM EDT
SUNDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON TO 5 AM
EDT SUNDAY. 

* LOCATIONS...SOUTH COAST OF MASSACHUSETTS AND RHODE ISLAND.

* HAZARDS...STRONG WINDS.

* WINDS...SOUTHWEST 20 TO 30 MPH WITH GUSTS UP TO 45 MPH.

* TIMING...STRONGEST WINDS FROM 4 PM TO 10 PM.

* IMPACTS...DOWNING SMALL TREE LIMBS AND BRANCHES...POSSIBLY
  CAUSING ISOLATED POWER OUTAGES. DRIVING CAN ALSO BE DIFFICULT...
  ESPECIALLY FOR HIGH PROFILE VEHICLES.

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.

&&

$$

NOCERA
3 follow-up statements
948 
WWUS71 KBOX 151639
NPWBOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
1239 PM EDT SAT OCT 15 2011

...STRONG WINDS LATE THIS AFTERNOON INTO TONIGHT...

.LOW PRESSURE OVER SOUTHEAST CANADA WILL DEVELOP INTO A POWERFUL
STORM SYSTEM TODAY AND TONIGHT RESULTING IN STRONG WINDS ACROSS
THE SOUTH COAST OF MASSACHUSETTS AND RHODE ISLAND.

MAZ020>024-RIZ006>008-160045-
/O.CON.KBOX.WI.Y.0021.111015T2000Z-111016T0900Z/
SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-BARNSTABLE MA-DUKES MA-
NANTUCKET MA-WASHINGTON RI-NEWPORT RI-BLOCK ISLAND RI-
INCLUDING THE CITIES OF...FALL RIVER...NEW BEDFORD...
MATTAPOISETT...CHATHAM...FALMOUTH...PROVINCETOWN...
VINEYARD HAVEN...NANTUCKET...NARRAGANSETT...WESTERLY...NEWPORT...
BLOCK ISLAND
1239 PM EDT SAT OCT 15 2011

...WIND ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO
5 AM EDT SUNDAY...

* LOCATIONS...SOUTH COAST OF MASSACHUSETTS AND RHODE ISLAND.

* HAZARDS...STRONG WINDS.

* WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 45 MPH.

* TIMING...STRONGEST WINDS FROM 4 PM TO 10 PM.

* IMPACTS...DOWNING SMALL TREE LIMBS AND BRANCHES...POSSIBLY 
  CAUSING ISOLATED POWER OUTAGES. DRIVING CAN ALSO BE 
  DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. 

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.

&&

$$
235 
WWUS71 KBOX 152014
NPWBOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
414 PM EDT SAT OCT 15 2011

...STRONG WINDS LATE THIS AFTERNOON INTO TONIGHT...

.INTENSE LOW PRESSURE OVER SOUTHEAST CANADA WILL RESULT IN 
STRONG WINDS ACROSS THE SOUTH COAST OF MASSACHUSETTS AND RHODE
ISLAND TONIGHT.

MAZ020>024-RIZ006>008-160415-
/O.EXT.KBOX.WI.Y.0021.000000T0000Z-111016T0600Z/
SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-BARNSTABLE MA-DUKES MA-
NANTUCKET MA-WASHINGTON RI-NEWPORT RI-BLOCK ISLAND RI-
INCLUDING THE CITIES OF...FALL RIVER...NEW BEDFORD...
MATTAPOISETT...CHATHAM...FALMOUTH...PROVINCETOWN...
VINEYARD HAVEN...NANTUCKET...NARRAGANSETT...WESTERLY...NEWPORT...
BLOCK ISLAND
414 PM EDT SAT OCT 15 2011

...WIND ADVISORY NOW IN EFFECT UNTIL 2 AM EDT SUNDAY...

* LOCATIONS...SOUTH COAST OF MASSACHUSETTS AND RHODE ISLAND.

* HAZARDS...STRONG WINDS.

* WINDS...SOUTHWEST 20 TO 30 MPH WITH GUSTS UP TO 45 MPH.

* TIMING...STRONGEST WINDS THROUGH 10 PM.

* IMPACTS...DOWNING SMALL TREE LIMBS AND BRANCHES...POSSIBLY
  CAUSING ISOLATED POWER OUTAGES. DRIVING MAY ALSO BE DIFFICULT...
  ESPECIALLY FOR HIGH PROFILE VEHICLES.

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.

&&

$$

EVT
096 
WWUS71 KBOX 152314
NPWBOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
714 PM EDT SAT OCT 15 2011

.INTENSE LOW PRESSURE OVER SOUTHEAST CANADA WILL RESULT IN STRONG
WINDS ACROSS CAPE COD AND THE ISLANDS TONIGHT.

MAZ020-021-RIZ006>008-160015-
/O.CAN.KBOX.WI.Y.0021.000000T0000Z-111016T0600Z/
SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-WASHINGTON RI-NEWPORT RI-
BLOCK ISLAND RI-
INCLUDING THE CITIES OF...FALL RIVER...NEW BEDFORD...
MATTAPOISETT...NARRAGANSETT...WESTERLY...NEWPORT...BLOCK ISLAND
714 PM EDT SAT OCT 15 2011

...WIND ADVISORY IS CANCELLED...

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

WINDS ARE EXPECTED TO REMAIN BELOW WIND ADVISORY CRITERIA.

$$

MAZ022>024-160600-
/O.CON.KBOX.WI.Y.0021.000000T0000Z-111016T0600Z/
BARNSTABLE MA-DUKES MA-NANTUCKET MA-
INCLUDING THE CITIES OF...CHATHAM...FALMOUTH...PROVINCETOWN...
VINEYARD HAVEN...NANTUCKET
714 PM EDT SAT OCT 15 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT SUNDAY...

* LOCATIONS...CAPE COD AND THE ISLANDS.

* HAZARDS...STRONG WINDS.

* WINDS...SOUTHWEST 20 TO 25 MPH WITH GUSTS UP TO 45 MPH.

* TIMING...STRONGEST WINDS THROUGH 10 PM.

* IMPACTS...DOWNING SMALL TREE LIMBS AND BRANCHES...POSSIBLY 
  CAUSING ISOLATED POWER OUTAGES. DRIVING MAY ALSO BE 
  DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. 

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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 14, 9:10 PM EDTSpecial Weather StatementBOXBarnstable50 min

Nearby

Wind Advisories in Massachusetts, 2011Wind Advisories in Rhode Island, 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.