Alert archive / Massachusetts / Wind Advisories in 2006

Wind Advisory 29, NWS Boston/Norton, MA

October 29, 2006Nantucket County, Massachusetts

NWS Boston/Norton, MA issued this wind advisory at Oct 29, 2006, 6:24 PM EST for Nantucket County, Massachusetts. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Oct 29, 2006, 6:24 PM EST (23:24 UTC)
Expired
Oct 30, 2006, 1:00 AM EST
In force
7 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 23:22 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, 11.4 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 2006-10-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 156 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 12:00Z on 2006-10-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -2 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
156 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
1139 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
-2 m²/s²
0-3 km storm-relative helicity
-6 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 292324
NPWBOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
624 PM EST SUN OCT 29 2006

...WIND ADVISORY IN EFFECT FOR NANTUCKET...

MAZ024-300600-
/O.NEW.KBOX.WI.Y.0029.061029T2324Z-061030T0600Z/
NANTUCKET MA-
INCLUDING THE CITY OF...NANTUCKET
624 PM EST SUN OCT 29 2006

...WIND ADVISORY IN EFFECT UNTIL 1 AM EST MONDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A WIND
ADVISORY FOR NANTUCKET...WHICH IS IN EFFECT UNTIL 1 AM EST MONDAY. 

WEST TO SOUTHWEST WINDS AT SPEEDS OF 25 TO 35 MPH...WITH GUSTS TO 45
MPH WILL CONTINUE TO AFFECT NANTUCKET OVERNIGHT.

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

Nearby

Wind Advisories in Massachusetts, 2006Every wind advisory in 2006

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.