Alert archive / Massachusetts / Wind Advisories in 2020

Wind Advisory 14, NWS Boston/Norton, MA

April 10, 2020Dukes County, Nantucket County, Massachusetts; Washington County, Rhode Island

NWS Boston/Norton, MA issued this wind advisory at Apr 10, 2020, 3:54 AM EDT for Dukes County, Nantucket County, Massachusetts; Washington County, Rhode Island. It took effect at Apr 10, 2020, 12:00 PM EDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Apr 10, 2020, 3:54 AM EDT (07:54 UTC)
In effect from
Apr 10, 2020, 12:00 PM EDT
Expired
Apr 10, 2020, 7:54 PM EDT
In force
8 hr
Issued by
NWS Boston/Norton, MA

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

The radar

The Boston radar (KBOX), 73 km from the middle of the area, began a volume at 07:54 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, 7.9 hours before the alert went out and 76 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 2020-04-10Temperature 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 2020-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -248 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
985 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
-248 m²/s²
0-3 km storm-relative helicity
-185 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

820 
WWUS71 KBOX 100754
NPWBOX

URGENT - WEATHER MESSAGE
National Weather Service Boston/Norton MA
354 AM EDT Fri Apr 10 2020

MAZ023-024-RIZ008-101600-
/O.NEW.KBOX.WI.Y.0014.200410T1600Z-200411T0000Z/
Dukes MA-Nantucket MA-Block Island RI-
Including the cities of Vineyard Haven, Nantucket, 
and New Shoreham
354 AM EDT Fri Apr 10 2020

...WIND ADVISORY IN EFFECT FROM NOON TODAY TO 8 PM EDT THIS
EVENING...

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

* WHERE...In Massachusetts, Dukes MA and Nantucket MA Counties. 
  In Rhode Island, Block Island RI County.

* WHEN...From noon today to 8 PM EDT this evening.

* 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.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/box
3 follow-up statements
145 
WWUS71 KBOX 101414
NPWBOX

URGENT - WEATHER MESSAGE
National Weather Service Boston/Norton MA
1014 AM EDT Fri Apr 10 2020

MAZ023-024-RIZ008-102215-
/O.CON.KBOX.WI.Y.0014.200410T1600Z-200411T0000Z/
Dukes MA-Nantucket MA-Block Island RI-
Including the cities of Vineyard Haven, Nantucket, 
and New Shoreham
1014 AM EDT Fri Apr 10 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING...

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

* WHERE...In Massachusetts, Dukes MA and Nantucket MA Counties. 
  In Rhode Island, Block Island RI County.

* WHEN...From noon today to 8 PM EDT this evening.

* 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.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/box
795 
WWUS71 KBOX 101955
NPWBOX

URGENT - WEATHER MESSAGE
National Weather Service Boston/Norton MA
355 PM EDT Fri Apr 10 2020

MAZ023-024-RIZ008-110000-
/O.CON.KBOX.WI.Y.0014.000000T0000Z-200411T0000Z/
Dukes MA-Nantucket MA-Block Island RI-
Including the cities of Vineyard Haven, Nantucket, 
and New Shoreham
355 PM EDT Fri Apr 10 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING...

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

* WHERE...In Massachusetts, Dukes MA and Nantucket MA Counties. 
  In Rhode Island, Block Island RI County.

* WHEN...From noon today to 8 PM EDT this evening.

* 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.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/box
204 
WWUS71 KBOX 102354
NPWBOX

URGENT - WEATHER MESSAGE
National Weather Service Boston/Norton MA
754 PM EDT Fri Apr 10 2020

MAZ023-024-RIZ008-110100-
/O.CAN.KBOX.WI.Y.0014.000000T0000Z-200411T0000Z/
Dukes MA-Nantucket MA-Block Island RI-
Including the cities of Vineyard Haven, Nantucket, 
and New Shoreham
754 PM EDT Fri Apr 10 2020

...WIND ADVISORY IS CANCELLED...

Northwest winds will continue overnight, but speeds will be less
than daytime values. Expect west to northwest winds of 15 to 30
mph with higher gusts.

$$

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
Apr 10, 4:15 AM EDTSmall Craft AdvisoryBOX6 hr
Apr 10, 10:14 AM EDTGale WarningBOX10 hr
Apr 10, 7:52 PM EDTSmall Craft AdvisoryBOX30 hr

Nearby

Wind Advisories in Massachusetts, 2020Wind Advisories in Rhode Island, 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.