Alert archive / Massachusetts / Wind Advisories in 2009

Wind Advisory 48, NWS Boston/Norton, MA

March 2, 2009Nantucket County, Massachusetts

NWS Boston/Norton, MA issued this wind advisory at Mar 2, 2009, 6:36 AM EST for Nantucket County, Massachusetts. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
Mar 2, 2009, 6:36 AM EST (11:36 UTC)
Expired
Mar 2, 2009, 6:00 PM EST
In force
11 hr
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 11:40 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, 11.6 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 00:00Z on 2009-03-02Temperature 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 00:00Z on 2009-03-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 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
601 m above ground
0-6 km bulk shear
73 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
139 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 021136
NPWBOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
636 AM EST MON MAR 2 2009

MAZ024-021945-
/O.NEW.KBOX.WI.Y.0048.090302T1136Z-090302T2000Z/
NANTUCKET MA-
INCLUDING THE CITY OF...NANTUCKET
636 AM EST MON MAR 2 2009

...WIND ADVISORY IN EFFECT UNTIL 3 PM EST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 3 PM EST THIS AFTERNOON. 

NORTHEAST WINDS 0F 25 TO 35 MPH WILL CONTINUE THROUGH EARLY
AFTERNOON. A FEW WIND GUSTS TO 50 MPH ARE POSSIBLE THIS MORNING.  

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.

$$
2 follow-up statements
000 
WWUS71 KBOX 021953
NPWBOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
253 PM EST MON MAR 2 2009

MAZ024-022300-
/O.EXT.KBOX.WI.Y.0048.000000T0000Z-090302T2300Z/
NANTUCKET MA-
INCLUDING THE CITY OF...NANTUCKET
253 PM EST MON MAR 2 2009

...WIND ADVISORY NOW IN EFFECT UNTIL 6 PM EST THIS AFTERNOON...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 6 PM EST THIS AFTERNOON.

SUSTAINED NORTH TO NORTHEAST WINDS OF 25 TO 35 MPH WILL CONTINUE
THROUGH LATE THIS AFTERNOON.

NANTUCKET RECORDED A GUST TO 48 MPH AT 920 AM.

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.

$$


DRAG
000 
WWUS71 KBOX 022300
NPWBOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
600 PM EST MON MAR 2 2009


MAZ024-030000-
/O.CAN.KBOX.WI.Y.0048.000000T0000Z-090302T2300Z/
NANTUCKET MA-
INCLUDING THE CITY OF...NANTUCKET
600 PM EST MON MAR 2 2009

...WIND ADVISORY IS CANCELLED...

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

THIS ADVISORY COVERED NANTUCKET.

NORTH WINDS HAVE DIMINISHED ACROSS THE ISLAND. THE WINDS WILL
CONTINUE TO GUST TONIGHT...REACHING VALUES OF UP TO 35 MPH.

$$

WTB

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 2, 6:36 AM ESTSpecial Marine WarningBOX237 days
Mar 2, 7:29 AM ESTSpecial Marine WarningBOX237 days
Mar 2, 8:13 AM ESTSpecial Marine WarningBOX237 days
Mar 2, 4:01 PM ESTSmall Craft AdvisoryBOX66 hr

Nearby

Wind Advisories in Massachusetts, 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.