Alert archive / Massachusetts / Wind Advisories in 2009

Wind Advisory 73, NWS Boston/Norton, MA

December 9, 2009Barnstable County, Dukes County, Nantucket County, Massachusetts; Washington County, Rhode Island

NWS Boston/Norton, MA issued this wind advisory at Dec 9, 2009, 6:45 PM EST for Barnstable County, Dukes County, Nantucket County, Massachusetts; Washington County, Rhode Island. It took effect at Dec 9, 2009, 7:44 PM EST. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Dec 9, 2009, 6:45 PM EST (23:45 UTC)
In effect from
Dec 9, 2009, 7:44 PM EST
Expired
Dec 10, 2009, 2:14 AM EST
In force
7 hr
Issued by
NWS Boston/Norton, MA

Counties Barnstable County, MA, Dukes County, MA, Nantucket County, MA, Washington County, RI

The radar

The Boston radar (KBOX), 70 km from the middle of the area, began a volume at 23:48 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, 11.8 hours before the alert went out and 63 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 2009-12-09Temperature 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 2009-12-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 80 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
652 m above ground
0-6 km bulk shear
87 kt
0-1 km storm-relative helicity
80 m²/s²
0-3 km storm-relative helicity
295 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.

000 
WWUS71 KBOX 092345
NPWBOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
645 PM EST WED DEC 9 2009


MAZ022>024-RIZ008-100745-
/O.NEW.KBOX.WI.Y.0073.091210T0400Z-091210T1500Z/
BARNSTABLE MA-DUKES MA-NANTUCKET MA-BLOCK ISLAND RI-
INCLUDING THE CITIES OF...CHATHAM...FALMOUTH...PROVINCETOWN...
VINEYARD HAVEN...NANTUCKET...BLOCK ISLAND
645 PM EST WED DEC 9 2009

...WIND ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 10 AM EST
THURSDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO 10 AM
EST THURSDAY. 

THIS WIND ADVISORY INCLUDES CAPE COD AND THE ISLANDS.

SOUTHWEST WINDS WILL SHIFT TO THE WEST AND INCREASE AFTER MIDNIGHT.
SUSTAINED WEST WINDS OF 25 TO 35 MPH WITH A FEW GUSTS UP TO 45 MPH
WILL BE POSSIBLE THROUGH THURSDAY MORNING. THE WINDS SHOULD DIMINISH
A BIT DURING THE AFTERNOON.

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.

&&

$$

FRANK/EVT
2 follow-up statements
000 
WWUS71 KBOX 100044
NPWBOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
744 PM EST WED DEC 9 2009

MAZ022>024-RIZ008-100845-
/O.EXT.KBOX.WI.Y.0073.091210T0044Z-091210T1500Z/
BARNSTABLE MA-DUKES MA-NANTUCKET MA-BLOCK ISLAND RI-
INCLUDING THE CITIES OF...CHATHAM...FALMOUTH...PROVINCETOWN...
VINEYARD HAVEN...NANTUCKET...BLOCK ISLAND
744 PM EST WED DEC 9 2009

...WIND ADVISORY NOW IN EFFECT UNTIL 10 AM EST THURSDAY...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 10 AM EST THURSDAY. 

THIS WIND ADVISORY INCLUDES CAPE COD AND THE ISLANDS.

SOUTHWEST WINDS WILL SHIFT TO THE WEST TONIGHT.  SUSTAINED WEST WINDS
OF 25 TO 35 MPH WITH A FEW GUSTS UP TO 45 MPH ARE EXPECTED THROUGH
THURSDAY MORNING. THE WINDS SHOULD DIMINISH A BIT DURING THE
AFTERNOON.

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.

&&

$$

FRANK/EVT
000 
WWUS71 KBOX 100714 AAA
NPWBOX

URGENT - WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE TAUNTON MA
214 AM EST THU DEC 10 2009

MAZ022>024-RIZ008-100815-
/O.CAN.KBOX.WI.Y.0073.000000T0000Z-091210T1500Z/
BARNSTABLE MA-DUKES MA-NANTUCKET MA-BLOCK ISLAND RI-
INCLUDING THE CITIES OF...CHATHAM...FALMOUTH...PROVINCETOWN...
VINEYARD HAVEN...NANTUCKET...BLOCK ISLAND
214 AM EST THU DEC 10 2009

...WIND ADVISORY IS CANCELLED...

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

WHILE GUSTY WEST WINDS ARE EXPECTED TODAY ACROSS CAPE COD AND THE
ISLANDS...WIND SPEEDS ARE ANTICIPATED TO BE LESS THAN ADVISORY
CRITERIA. WEST WINDS WILL AVERAGE 20 TO 30 MPH WITH GUSTS TO 40 MPH.

$$

NOCERA

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 9, 5:06 AM ESTHigh Wind WarningBOXBarnstable, Dukes, Nantucket10 hr
Dec 9, 1:15 PM ESTWinter Weather AdvisoryBOXFranklin, Hampshire, Middlesex, Worcester3 hr
Dec 9, 3:53 PM ESTGale WarningBOX3 days

Nearby

Wind Advisories in Massachusetts, 2009Wind Advisories in Rhode Island, 2009Every wind advisory in 2009

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.