Alert archive / Massachusetts / Wind Advisories in 2020

Wind Advisory 20, NWS Boston/Norton, MA

September 29, 202011 counties in Massachusetts; 5 counties in Rhode Island; Capitol Planning Region, Northeastern Connecticut Planning Region, Connecticut

NWS Boston/Norton, MA issued this wind advisory at Sep 29, 2020, 4:01 AM EDT for 11 counties in Massachusetts; 5 counties in Rhode Island; Capitol Planning Region, Northeastern Connecticut Planning Region, Connecticut. It took effect at Sep 30, 2020, 12:00 AM EDT. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued
Sep 29, 2020, 4:01 AM EDT (08:01 UTC)
In effect from
Sep 30, 2020, 12:00 AM EDT
Expired
Sep 30, 2020, 1:00 PM EDT
In force
13 hr
Issued by
NWS Boston/Norton, MA

Counties Capitol Planning Region, CT, Northeastern Connecticut Planning Region, CT, Barnstable County, MA, Bristol County, MA, Dukes County, MA, Essex County, MA, Hampden County, MA, Middlesex County, MA, Nantucket County, MA, Norfolk County, MA, Plymouth County, MA, Suffolk County, MA, Worcester County, MA, Bristol County, RI, Kent County, RI, Newport County, RI, Providence County, RI, Washington County, RI

The radar

The Boston radar (KBOX), 17 km from the middle of the area, began a volume at 08:01 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, 8.0 hours before the alert went out and 115 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 2020-09-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 202 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 00:00Z on 2020-09-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 97 square meters per square second.193958Sfc1 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
202 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
557 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
97 m²/s²
0-3 km storm-relative helicity
89 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

865 
WWUS71 KBOX 290801
NPWBOX

URGENT - WEATHER MESSAGE
National Weather Service Boston/Norton MA
401 AM EDT Tue Sep 29 2020

MAZ020>024-RIZ006>008-291615-
/O.NEW.KBOX.WI.Y.0020.200930T0300Z-201001T0000Z/
/O.CON.KBOX.FG.Y.0018.000000T0000Z-200929T1200Z/
Southern Bristol MA-Southern Plymouth MA-Barnstable MA-Dukes MA-
Nantucket MA-Washington RI-Newport RI-Block Island RI-
Including the cities of Fall River, New Bedford, Mattapoisett, 
Chatham, Falmouth, Provincetown, Vineyard Haven, Nantucket, 
Narragansett, Westerly, Newport, and New Shoreham
401 AM EDT Tue Sep 29 2020

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS
MORNING...

...WIND ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 8 PM EDT
WEDNESDAY...

* WHAT...For the Dense Fog Advisory, visibility one quarter mile 
  or less in dense fog. For the Wind Advisory, south winds 15 to 
  25 mph with gusts up to 45 mph expected.

* WHERE...In Massachusetts, Southern Bristol MA, Southern 
  Plymouth MA, Barnstable MA, Dukes MA and Nantucket MA 
  Counties. In Rhode Island, Washington RI, Newport RI and Block 
  Island RI Counties.

* WHEN...For the Dense Fog Advisory, until 8 AM EDT this 
  morning. For the Wind Advisory, from 11 PM this evening to 8 
  PM EDT Wednesday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result. Hazardous driving conditions due to low visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.

&&

$$

CTZ003-004-MAZ005>007-012>019-RIZ001>005-291615-
/O.NEW.KBOX.WI.Y.0020.200930T0300Z-201001T0000Z/
Tolland CT-Windham CT-Central Middlesex MA-Western Essex MA-
Eastern Essex MA-Southern Worcester MA-Western Norfolk MA-
Southeast Middlesex MA-Suffolk MA-Eastern Norfolk MA-
Northern Bristol MA-Western Plymouth MA-Eastern Plymouth MA-
Northwest Providence RI-Southeast Providence RI-Western Kent RI-
Eastern Kent RI-Bristol RI-
Including the cities of Union, Vernon, Putnam, Willimantic, 
Framingham, Lowell, Lawrence, Gloucester, Milford, Worcester, 
Foxborough, Norwood, Cambridge, Boston, Quincy, Taunton, 
Brockton, Plymouth, Foster, Smithfield, Providence, Coventry, 
West Greenwich, East Greenwich, Warwick, West Warwick, 
and Bristol
401 AM EDT Tue Sep 29 2020

...WIND ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 8 PM EDT
WEDNESDAY...

* WHAT...South winds 10 to 20 mph with gusts up to 45 mph 
  expected.

* WHERE...Portions of northern Connecticut, central, eastern, 
  northeastern and southeastern Massachusetts and northern Rhode 
  Island.

* WHEN...From 11 PM this evening to 8 PM EDT Wednesday.

* 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
9 follow-up statements
755 
WWUS71 KBOX 291158
NPWBOX

URGENT - WEATHER MESSAGE
National Weather Service Boston/Norton MA
758 AM EDT Tue Sep 29 2020

MAZ020-RIZ006-007-292000-
/O.CAN.KBOX.FG.Y.0018.000000T0000Z-200929T1200Z/
/O.CON.KBOX.WI.Y.0020.200930T0300Z-201001T0000Z/
Southern Bristol MA-Washington RI-Newport RI-
Including the cities of Fall River, New Bedford, Narragansett, 
Westerly, and Newport
758 AM EDT Tue Sep 29 2020

...WIND ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO
8 PM EDT WEDNESDAY...
...DENSE FOG ADVISORY IS CANCELLED...

* WHAT...South winds 15 to 25 mph with gusts up to 45 mph 
  expected.

* WHERE...In Massachusetts, Southern Bristol MA County. In Rhode 
  Island, Newport RI and Washington RI Counties.

* WHEN...From 11 PM this evening to 8 PM EDT Wednesday.

* 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.

&&

$$

MAZ021>024-RIZ008-292000-
/O.EXT.KBOX.FG.Y.0018.000000T0000Z-200929T1400Z/
/O.CON.KBOX.WI.Y.0020.200930T0300Z-201001T0000Z/
Southern Plymouth MA-Barnstable MA-Dukes MA-Nantucket MA-
Block Island RI-
Including the cities of Mattapoisett, Chatham, Falmouth, 
Provincetown, Vineyard Haven, Nantucket, and New Shoreham
758 AM EDT Tue Sep 29 2020

...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 10 AM EDT THIS
MORNING...
...WIND ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO
8 PM EDT WEDNESDAY...

* WHAT...For the Dense Fog Advisory, visibility one quarter to one
  half mile in dense fog. For the Wind Advisory, south winds 15 to
  25 mph with gusts between 40 and 50 mph expected.

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

* WHEN...For the Dense Fog Advisory, until 10 AM EDT this 
  morning. For the Wind Advisory, from 11 PM this evening to 8 
  PM EDT Wednesday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result. Hazardous driving conditions due to low visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.

&&

$$

CTZ003-004-MAZ005>007-012>019-RIZ001>005-292000-
/O.CON.KBOX.WI.Y.0020.200930T0300Z-201001T0000Z/
Tolland CT-Windham CT-Central Middlesex MA-Western Essex MA-
Eastern Essex MA-Southern Worcester MA-Western Norfolk MA-
Southeast Middlesex MA-Suffolk MA-Eastern Norfolk MA-
Northern Bristol MA-Western Plymouth MA-Eastern Plymouth MA-
Northwest Providence RI-Southeast Providence RI-Western Kent RI-
Eastern Kent RI-Bristol RI-
Including the cities of Union, Vernon, Putnam, Willimantic, 
Framingham, Lowell, Lawrence, Gloucester, Milford, Worcester, 
Foxborough, Norwood, Cambridge, Boston, Quincy, Taunton, 
Brockton, Plymouth, Foster, Smithfield, Providence, Coventry, 
West Greenwich, East Greenwich, Warwick, West Warwick, 
and Bristol
758 AM EDT Tue Sep 29 2020

...WIND ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO
8 PM EDT WEDNESDAY...

* WHAT...South winds 15 to 25 mph with gusts between 40 and 50 
  mph expected.

* WHERE...Portions of northern Connecticut, central, eastern, 
  northeastern and southeastern Massachusetts and northern Rhode 
  Island.

* WHEN...From 11 PM this evening to 8 PM EDT Wednesday.

* 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
718 
WWUS71 KBOX 291419
NPWBOX

URGENT - WEATHER MESSAGE
National Weather Service Boston/Norton MA
1019 AM EDT Tue Sep 29 2020

MAZ021>024-RIZ008-292230-
/O.EXP.KBOX.FG.Y.0018.000000T0000Z-200929T1400Z/
/O.CON.KBOX.WI.Y.0020.200930T0300Z-201001T0000Z/
Southern Plymouth MA-Barnstable MA-Dukes MA-Nantucket MA-
Block Island RI-
Including the cities of Mattapoisett, Chatham, Falmouth, 
Provincetown, Vineyard Haven, Nantucket, and New Shoreham
1019 AM EDT Tue Sep 29 2020

...WIND ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO
8 PM EDT WEDNESDAY...
...DENSE FOG ADVISORY HAS EXPIRED...

* WHAT...South winds 15 to 25 mph with gusts between 40 and 50 
  mph expected.

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

* WHEN...From 11 PM this evening to 8 PM EDT Wednesday.

* 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.

&&

$$

CTZ003-004-MAZ005>007-012>020-RIZ001>007-292230-
/O.CON.KBOX.WI.Y.0020.200930T0300Z-201001T0000Z/
Tolland CT-Windham CT-Central Middlesex MA-Western Essex MA-
Eastern Essex MA-Southern Worcester MA-Western Norfolk MA-
Southeast Middlesex MA-Suffolk MA-Eastern Norfolk MA-
Northern Bristol MA-Western Plymouth MA-Eastern Plymouth MA-
Southern Bristol MA-Northwest Providence RI-
Southeast Providence RI-Western Kent RI-Eastern Kent RI-
Bristol RI-Washington RI-Newport RI-
Including the cities of Union, Vernon, Putnam, Willimantic, 
Framingham, Lowell, Lawrence, Gloucester, Milford, Worcester, 
Foxborough, Norwood, Cambridge, Boston, Quincy, Taunton, 
Brockton, Plymouth, Fall River, New Bedford, Foster, Smithfield, 
Providence, Coventry, West Greenwich, East Greenwich, Warwick, 
West Warwick, Bristol, Narragansett, Westerly, and Newport
1019 AM EDT Tue Sep 29 2020

...WIND ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO
8 PM EDT WEDNESDAY...

* WHAT...South winds 15 to 25 mph with gusts between 40 and 50 mph
  expected.

* WHERE...Portions of northern Connecticut, central, eastern, 
  northeastern and southeastern Massachusetts and northern and 
  southern Rhode Island.

* WHEN...From 11 PM this evening to 8 PM EDT Wednesday.

* 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
557 
WWUS71 KBOX 291911
NPWBOX

URGENT - WEATHER MESSAGE
National Weather Service Boston/Norton MA
311 PM EDT Tue Sep 29 2020

CTZ002-MAZ004-011-026-300315-
/O.EXB.KBOX.WI.Y.0020.200930T0400Z-200930T1700Z/
Hartford CT-Northern Worcester MA-Eastern Hampden MA-
Northern Middlesex MA-
Including the cities of Hartford, Windsor Locks, Barre, 
Fitchburg, Springfield, and Ayer
311 PM EDT Tue Sep 29 2020

...WIND ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 1 PM EDT
WEDNESDAY...

* WHAT...South winds 15 to 25 mph with gusts between 40 and 50 mph.

* WHERE...In Connecticut, Hartford CT County. In Massachusetts, 
  Northern Worcester MA, Eastern Hampden MA and Northern 
  Middlesex MA Counties.

* WHEN...From midnight tonight to 1 PM EDT Wednesday.

* 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.

&&

$$

CTZ003-004-MAZ005>007-012>024-RIZ001>008-300315-
/O.EXT.KBOX.WI.Y.0020.200930T0400Z-200930T1700Z/
Tolland CT-Windham CT-Central Middlesex MA-Western Essex MA-
Eastern Essex MA-Southern Worcester MA-Western Norfolk MA-
Southeast Middlesex MA-Suffolk MA-Eastern Norfolk MA-
Northern Bristol MA-Western Plymouth MA-Eastern Plymouth MA-
Southern Bristol MA-Southern Plymouth MA-Barnstable MA-Dukes MA-
Nantucket MA-Northwest Providence RI-Southeast Providence RI-
Western Kent RI-Eastern Kent RI-Bristol RI-Washington RI-
Newport RI-Block Island RI-
Including the cities of Union, Vernon, Putnam, Willimantic, 
Framingham, Lowell, Lawrence, Gloucester, Milford, Worcester, 
Foxborough, Norwood, Cambridge, Boston, Quincy, Taunton, 
Brockton, Plymouth, Fall River, New Bedford, Mattapoisett, 
Chatham, Falmouth, Provincetown, Vineyard Haven, Nantucket, 
Foster, Smithfield, Providence, Coventry, West Greenwich, 
East Greenwich, Warwick, West Warwick, Bristol, Narragansett, 
Westerly, Newport, and New Shoreham
311 PM EDT Tue Sep 29 2020

...WIND ADVISORY NOW IN EFFECT FROM MIDNIGHT TONIGHT TO 1 PM EDT
WEDNESDAY...

* WHAT...South winds 15 to 25 mph with gusts between 40 and 50
  mph.

* WHERE...Portions of northern Connecticut, central, eastern, 
  northeastern and southeastern Massachusetts and northern and 
  southern Rhode Island.

* WHEN...From midnight tonight to 1 PM EDT Wednesday.

* 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
984 
WWUS71 KBOX 300216
NPWBOX

URGENT - WEATHER MESSAGE
National Weather Service Boston/Norton MA
1016 PM EDT Tue Sep 29 2020

CTZ002>004-MAZ004>007-011>024-026-RIZ001>008-301030-
/O.CON.KBOX.WI.Y.0020.200930T0400Z-200930T1700Z/
Hartford CT-Tolland CT-Windham CT-Northern Worcester MA-
Central Middlesex MA-Western Essex MA-Eastern Essex MA-
Eastern Hampden MA-Southern Worcester MA-Western Norfolk MA-
Southeast Middlesex MA-Suffolk MA-Eastern Norfolk MA-
Northern Bristol MA-Western Plymouth MA-Eastern Plymouth MA-
Southern Bristol MA-Southern Plymouth MA-Barnstable MA-Dukes MA-
Nantucket MA-Northern Middlesex MA-Northwest Providence RI-
Southeast Providence RI-Western Kent RI-Eastern Kent RI-
Bristol RI-Washington RI-Newport RI-Block Island RI-
Including the cities of Hartford, Windsor Locks, Union, Vernon, 
Putnam, Willimantic, Barre, Fitchburg, Framingham, Lowell, 
Lawrence, Gloucester, Springfield, Milford, Worcester, 
Foxborough, Norwood, Cambridge, Boston, Quincy, Taunton, 
Brockton, Plymouth, Fall River, New Bedford, Mattapoisett, 
Chatham, Falmouth, Provincetown, Vineyard Haven, Nantucket, Ayer,
Foster, Smithfield, Providence, Coventry, West Greenwich, 
East Greenwich, Warwick, West Warwick, Bristol, Narragansett, 
Westerly, Newport, and New Shoreham
1016 PM EDT Tue Sep 29 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM EDT WEDNESDAY...

* WHAT...South winds 15 to 25 mph with gusts between 40 and 50 
  mph.

* WHERE...Portions of northern Connecticut, central, eastern, 
  northeastern and southeastern Massachusetts and northern and 
  southern Rhode Island.

* WHEN...From midnight tonight to 1 PM EDT Wednesday.

* 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
804 
WWUS71 KBOX 300512
NPWBOX

URGENT - WEATHER MESSAGE
National Weather Service Boston/Norton MA
112 AM EDT Wed Sep 30 2020

MAZ013-016>021-RIZ001>007-301315-
/O.UPG.KBOX.WI.Y.0020.000000T0000Z-200930T1700Z/
/O.NEW.KBOX.HW.W.0006.200930T0800Z-200930T1400Z/
Western Norfolk MA-Eastern Norfolk MA-Northern Bristol MA-
Western Plymouth MA-Eastern Plymouth MA-Southern Bristol MA-
Southern Plymouth MA-Northwest Providence RI-
Southeast Providence RI-Western Kent RI-Eastern Kent RI-
Bristol RI-Washington RI-Newport RI-
Including the cities of Foxborough, Norwood, Quincy, Taunton, 
Brockton, Plymouth, Fall River, New Bedford, Mattapoisett, 
Foster, Smithfield, Providence, Coventry, West Greenwich, 
East Greenwich, Warwick, West Warwick, Bristol, Narragansett, 
Westerly, and Newport
112 AM EDT Wed Sep 30 2020

...HIGH WIND WARNING IN EFFECT UNTIL 10 AM EDT THIS MORNING...

* WHAT...South winds 30 to 40 mph with gusts up to 60 mph 
  expected.

* WHERE...Portions of eastern and southeastern Massachusetts and 
  northern and southern Rhode Island.

* WHEN...Until 10 AM EDT this morning.

* IMPACTS...Damaging winds will blow down trees and power lines. 
  Widespread power outages are expected. Travel will be 
  difficult, especially for high profile vehicles.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

CTZ002>004-MAZ004>007-011-012-014-015-022>024-026-RIZ008-301315-
/O.CON.KBOX.WI.Y.0020.000000T0000Z-200930T1700Z/
Hartford CT-Tolland CT-Windham CT-Northern Worcester MA-
Central Middlesex MA-Western Essex MA-Eastern Essex MA-
Eastern Hampden MA-Southern Worcester MA-Southeast Middlesex MA-
Suffolk MA-Barnstable MA-Dukes MA-Nantucket MA-
Northern Middlesex MA-Block Island RI-
Including the cities of Hartford, Windsor Locks, Union, Vernon, 
Putnam, Willimantic, Barre, Fitchburg, Framingham, Lowell, 
Lawrence, Gloucester, Springfield, Milford, Worcester, Cambridge,
Boston, Chatham, Falmouth, Provincetown, Vineyard Haven, 
Nantucket, Ayer, and New Shoreham
112 AM EDT Wed Sep 30 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM EDT THIS
AFTERNOON...

* WHAT...South winds 15 to 25 mph with gusts between 40 and 50 
  mph.

* WHERE...Portions of northern Connecticut, central, eastern, 
  northeastern and southeastern Massachusetts and northern and 
  southern Rhode Island.

* WHEN...From midnight tonight to 1 PM EDT Wednesday.

* 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
808 
WWUS71 KBOX 300830
NPWBOX

URGENT - WEATHER MESSAGE
National Weather Service Boston/Norton MA
430 AM EDT Wed Sep 30 2020

MAZ013-016>021-RIZ001>007-301400-
/O.CON.KBOX.HW.W.0006.000000T0000Z-200930T1400Z/
Western Norfolk MA-Eastern Norfolk MA-Northern Bristol MA-
Western Plymouth MA-Eastern Plymouth MA-Southern Bristol MA-
Southern Plymouth MA-Northwest Providence RI-
Southeast Providence RI-Western Kent RI-Eastern Kent RI-
Bristol RI-Washington RI-Newport RI-
Including the cities of Foxborough, Norwood, Quincy, Taunton, 
Brockton, Plymouth, Fall River, New Bedford, Mattapoisett, 
Foster, Smithfield, Providence, Coventry, West Greenwich, 
East Greenwich, Warwick, West Warwick, Bristol, Narragansett, 
Westerly, and Newport
430 AM EDT Wed Sep 30 2020

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 10 AM EDT THIS
MORNING...

* WHAT...South winds 30 to 40 mph with gusts up to 60 mph 
  expected.

* WHERE...Portions of eastern and southeastern Massachusetts and 
  northern and southern Rhode Island.

* WHEN...Until 10 AM EDT this morning.

* IMPACTS...Damaging winds will blow down trees and power lines. 
  Widespread power outages are expected. Travel will be 
  difficult, especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

CTZ002>004-MAZ004>007-011-012-014-015-022>024-026-RIZ008-301630-
/O.CON.KBOX.WI.Y.0020.000000T0000Z-200930T1700Z/
Hartford CT-Tolland CT-Windham CT-Northern Worcester MA-
Central Middlesex MA-Western Essex MA-Eastern Essex MA-
Eastern Hampden MA-Southern Worcester MA-Southeast Middlesex MA-
Suffolk MA-Barnstable MA-Dukes MA-Nantucket MA-
Northern Middlesex MA-Block Island RI-
Including the cities of Hartford, Windsor Locks, Union, Vernon, 
Putnam, Willimantic, Barre, Fitchburg, Framingham, Lowell, 
Lawrence, Gloucester, Springfield, Milford, Worcester, Cambridge,
Boston, Chatham, Falmouth, Provincetown, Vineyard Haven, 
Nantucket, Ayer, and New Shoreham
430 AM EDT Wed Sep 30 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM EDT THIS
AFTERNOON...

* WHAT...South winds 15 to 25 mph with gusts between 40 and 50 
  mph.

* WHERE...Portions of northern Connecticut, central, eastern, 
  northeastern and southeastern Massachusetts and northern and 
  southern Rhode Island.

* WHEN...From midnight tonight to 1 PM EDT Wednesday.

* 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
232 
WWUS71 KBOX 301359
NPWBOX

URGENT - WEATHER MESSAGE
National Weather Service Boston/Norton MA
959 AM EDT Wed Sep 30 2020

MAZ013-016>021-RIZ001>007-301500-
/O.EXP.KBOX.HW.W.0006.000000T0000Z-200930T1400Z/
Western Norfolk MA-Eastern Norfolk MA-Northern Bristol MA-
Western Plymouth MA-Eastern Plymouth MA-Southern Bristol MA-
Southern Plymouth MA-Northwest Providence RI-
Southeast Providence RI-Western Kent RI-Eastern Kent RI-
Bristol RI-Washington RI-Newport RI-
Including the cities of Foxborough, Norwood, Quincy, Taunton, 
Brockton, Plymouth, Fall River, New Bedford, Mattapoisett, 
Foster, Smithfield, Providence, Coventry, West Greenwich, 
East Greenwich, Warwick, West Warwick, Bristol, Narragansett, 
Westerly, and Newport
959 AM EDT Wed Sep 30 2020

...HIGH WIND WARNING WILL EXPIRE AT 10 AM EDT THIS MORNING...

Gusty winds will continue to diminish into this afternoon.

$$

CTZ002>004-MAZ004>007-011-012-014-015-026-RIZ008-301500-
/O.EXT.KBOX.WI.Y.0020.000000T0000Z-200930T1400Z/
Hartford CT-Tolland CT-Windham CT-Northern Worcester MA-
Central Middlesex MA-Western Essex MA-Eastern Essex MA-
Eastern Hampden MA-Southern Worcester MA-Southeast Middlesex MA-
Suffolk MA-Northern Middlesex MA-Block Island RI-
Including the cities of Hartford, Windsor Locks, Union, Vernon, 
Putnam, Willimantic, Barre, Fitchburg, Framingham, Lowell, 
Lawrence, Gloucester, Springfield, Milford, Worcester, Cambridge,
Boston, Ayer, and New Shoreham
959 AM EDT Wed Sep 30 2020

...WIND ADVISORY NOW IN EFFECT UNTIL 10 AM EDT THIS MORNING...

Gusty winds will continue to diminish into this afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MAZ022>024-301700-
/O.CON.KBOX.WI.Y.0020.000000T0000Z-200930T1700Z/
Barnstable MA-Dukes MA-Nantucket MA-
Including the cities of Chatham, Falmouth, Provincetown, 
Vineyard Haven, and Nantucket
959 AM EDT Wed Sep 30 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM EDT THIS
AFTERNOON...

* WHAT...Southwest winds 20 to 25 mph with gusts up to 45 mph.

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

* WHEN...Until 1 PM EDT 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.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/box
663 
WWUS71 KBOX 301402
NPWBOX

URGENT - WEATHER MESSAGE
National Weather Service Boston/Norton MA
1002 AM EDT Wed Sep 30 2020

CTZ002>004-MAZ004>007-011-012-014-015-026-RIZ008-301515-
/O.EXP.KBOX.WI.Y.0020.000000T0000Z-200930T1400Z/
Hartford CT-Tolland CT-Windham CT-Northern Worcester MA-
Central Middlesex MA-Western Essex MA-Eastern Essex MA-
Eastern Hampden MA-Southern Worcester MA-Southeast Middlesex MA-
Suffolk MA-Northern Middlesex MA-Block Island RI-
Including the cities of Hartford, Windsor Locks, Union, Vernon, 
Putnam, Willimantic, Barre, Fitchburg, Framingham, Lowell, 
Lawrence, Gloucester, Springfield, Milford, Worcester, Cambridge,
Boston, Ayer, and New Shoreham
1002 AM EDT Wed Sep 30 2020

...WIND ADVISORY HAS EXPIRED...

Gusty winds will continue to diminish into this afternoon.

$$

MAZ022>024-301700-
/O.CON.KBOX.WI.Y.0020.000000T0000Z-200930T1700Z/
Barnstable MA-Dukes MA-Nantucket MA-
Including the cities of Chatham, Falmouth, Provincetown, 
Vineyard Haven, and Nantucket
1002 AM EDT Wed Sep 30 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM EDT THIS
AFTERNOON...

* WHAT...Southwest winds 20 to 25 mph with gusts up to 45 mph.

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

* WHEN...Until 1 PM EDT 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.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/box
534 
WWUS71 KBOX 301704
NPWBOX

URGENT - WEATHER MESSAGE
National Weather Service Boston/Norton MA
104 PM EDT Wed Sep 30 2020

MAZ022>024-301815-
/O.EXP.KBOX.WI.Y.0020.000000T0000Z-200930T1700Z/
Barnstable MA-Dukes MA-Nantucket MA-
Including the cities of Chatham, Falmouth, Provincetown, 
Vineyard Haven, and Nantucket
104 PM EDT Wed Sep 30 2020

...WIND ADVISORY HAS EXPIRED...

Gusty winds will continue to diminish this afternoon, but are no
longer expected to exceed 35 mph.

$$

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
Sep 28, 9:06 PM EDTDense Fog AdvisoryBOXBarnstable, Bristol, Dukes, Nantucket, Plymouth13 hr
Sep 29, 4:05 AM EDTGale WatchBOX11 hr
Sep 29, 3:13 PM EDTGale WarningBOX23 hr

Nearby

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