Alert archive / Massachusetts / Wind Advisories in 2020

Wind Advisory 10, NWS Boston/Norton, MA

March 7, 2020Barnstable County, Dukes County, Nantucket County, Massachusetts

NWS Boston/Norton, MA issued this wind advisory at Mar 7, 2020, 9:46 AM EST for Barnstable County, Dukes County, Nantucket County, Massachusetts. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Mar 7, 2020, 9:46 AM EST (14:46 UTC)
Expired
Mar 7, 2020, 2:00 PM EST
In force
4 hr
Issued by
NWS Boston/Norton, MA

Counties Barnstable County, MA, Dukes County, MA, Nantucket County, MA

The radar

The Boston radar (KBOX), 88 km from the middle of the area, began a volume at 14:50 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, 2.8 hours before the alert went out and 39 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 2020-03-07Temperature 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 2020-03-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
716 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
-3 m²/s²
0-3 km storm-relative helicity
52 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

897 
WWUS71 KBOX 071446
NPWBOX

URGENT - WEATHER MESSAGE
National Weather Service Boston/Norton MA
946 AM EST Sat Mar 7 2020

MAZ022>024-071900-
/O.CAN.KBOX.HW.W.0002.000000T0000Z-200307T1700Z/
/O.NEW.KBOX.WI.Y.0010.200307T1446Z-200307T1900Z/
Barnstable MA-Dukes MA-Nantucket MA-
Including the cities of Chatham, Falmouth, Provincetown, 
Vineyard Haven, and Nantucket
946 AM EST Sat Mar 7 2020

...WIND ADVISORY IN EFFECT UNTIL 2 PM EST THIS AFTERNOON...
...HIGH WIND WARNING IS CANCELLED...

* WHAT...North winds 25 to 35 mph with gusts up to 50 mph.

* WHERE...Barnstable MA, Dukes MA and Nantucket MA Counties.

* WHEN...Until 2 PM EST this afternoon.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

MAZ007-016-018-019-021-RIZ008-071600-
/O.CAN.KBOX.WI.Y.0009.000000T0000Z-200307T1700Z/
Eastern Essex MA-Eastern Norfolk MA-Western Plymouth MA-
Eastern Plymouth MA-Southern Plymouth MA-Block Island RI-
Including the cities of Gloucester, Quincy, Brockton, Plymouth, 
Mattapoisett, and New Shoreham
946 AM EST Sat Mar 7 2020

...WIND ADVISORY IS CANCELLED...

$$

For more information from the National Weather Service visit
https://weather.gov/box
1 follow-up statement
447 
WWUS71 KBOX 071903
NPWBOX

URGENT - WEATHER MESSAGE
National Weather Service Boston/Norton MA
203 PM EST Sat Mar 7 2020

MAZ022>024-072015-
/O.EXP.KBOX.WI.Y.0010.000000T0000Z-200307T1900Z/
Barnstable MA-Dukes MA-Nantucket MA-
Including the cities of Chatham, Falmouth, Provincetown, 
Vineyard Haven, and Nantucket
203 PM EST Sat Mar 7 2020

...WIND ADVISORY HAS EXPIRED...

$$

For more information from the National Weather Service visit
https://weather.gov/box

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 7, 10:07 AM ESTSmall Craft AdvisoryBOX4 days

Nearby

Wind Advisories in Massachusetts, 2020Every wind advisory in 2020

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.