Alert archive / Massachusetts / Wind Advisories in 2013

Wind Advisory 13, NWS Boston/Norton, MA

April 24, 2013Nantucket County, Massachusetts

NWS Boston/Norton, MA issued this wind advisory at Apr 24, 2013, 4:35 AM EDT for Nantucket County, Massachusetts. It took effect at Apr 24, 2013, 5:00 AM EDT. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Apr 24, 2013, 4:35 AM EDT (08:35 UTC)
In effect from
Apr 24, 2013, 5:00 AM EDT
Expired
Apr 24, 2013, 10:17 AM EDT
In force
5 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 08:35 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, 8.6 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 2013-04-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Chatham, MA at 00:00Z on 2013-04-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 246 square meters per square second.19395878Sfc1 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
5 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
404 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
246 m²/s²
0-3 km storm-relative helicity
317 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.

219 
WWUS71 KBOX 240835
NPWBOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
435 AM EDT WED APR 24 2013

MAZ024-241500-
/O.NEW.KBOX.WI.Y.0013.130424T0900Z-130424T1500Z/
NANTUCKET MA-
INCLUDING THE CITY OF...NANTUCKET
435 AM EDT WED APR 24 2013

...WIND ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 11 AM EDT THIS MORNING.

* WINDS...NORTH 25 TO 35 MPH WITH GUSTS UP TO 40 MPH.

* TIMING...THIS MORNING.

* IMPACTS...WINDS OCULD BRING DOWN SMALL TREE LIMBS AND
  BRANCHES...POSSIBLY CAUSING ISOLATED POWER OUTAGES.

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.

&&

$$
1 follow-up statement
017 
WWUS71 KBOX 241417
NPWBOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
1017 AM EDT WED APR 24 2013

MAZ024-241530-
/O.CAN.KBOX.WI.Y.0013.000000T0000Z-130424T1500Z/
NANTUCKET MA-
INCLUDING THE CITY OF...NANTUCKET
1017 AM EDT WED APR 24 2013

...WIND ADVISORY IS CANCELLED...

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

WINDS HAVE DIMINISHED THIS MORNING...THEREFORE WE HAVE CANCELLED
THE WIND ADVISORY.

$$

RLG

Nearby

Wind Advisories in Massachusetts, 2013Every wind advisory in 2013

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.