Alert archive / Massachusetts / Wind Advisories in 2018

Wind Advisory 15, NWS Boston/Norton, MA

May 4, 20188 counties in Massachusetts

NWS Boston/Norton, MA issued this wind advisory at May 4, 2018, 3:38 AM EDT for 8 counties in Massachusetts. It took effect at May 4, 2018, 9:00 PM EDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
May 4, 2018, 3:38 AM EDT (07:38 UTC)
In effect from
May 4, 2018, 9:00 PM EDT
Expired
May 5, 2018, 6:24 AM EDT
In force
9 hr
Issued by
NWS Boston/Norton, MA

Counties Essex County, MA, Franklin County, MA, Hampden County, MA, Hampshire County, MA, Middlesex County, MA, Norfolk County, MA, Suffolk County, MA, Worcester County, MA

The radar

The Boston radar (KBOX), 72 km from the middle of the area, began a volume at 07:39 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, 7.6 hours before the alert went out and 170 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 2018-05-04Temperature 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 2018-05-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 168 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
1805 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
168 m²/s²
0-3 km storm-relative helicity
179 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

257 
WWUS71 KBOX 040738
NPWBOX

URGENT - WEATHER MESSAGE
National Weather Service Boston/Norton MA
338 AM EDT Fri May 4 2018

MAZ002>004-008>012-026-041545-
/O.NEW.KBOX.WI.Y.0015.180505T0300Z-180505T1100Z/
Western Franklin MA-Eastern Franklin MA-Northern Worcester MA-
Western Hampshire MA-Western Hampden MA-Eastern Hampshire MA-
Eastern Hampden MA-Southern Worcester MA-Northern Middlesex MA-
Including the cities of Charlemont, Greenfield, Orange, Barre, 
Fitchburg, Chesterfield, Blandford, Amherst, Northampton, 
Springfield, Milford, Worcester, and Ayer
338 AM EDT Fri May 4 2018

...WIND ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 7 AM EDT
SATURDAY...

The National Weather Service in Boston/Norton has issued a Wind
Advisory, which is in effect from 11 PM this evening to 7 AM EDT
Saturday.

* Location...Western and central Massachusetts.

* Winds...West 20 to 25 mph with gusts up to 50 mph.

* Timing...Strongest winds will occur after midnight with a brief
  period of gusts to 50 mph.

* Impacts...Winds this strong are capable of downing small tree 
  limbs and branches, possibly causing isolated power outages. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained winds of 31 to 39 mph are
expected, with gusts between 46 to 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. Use extra caution.

&&

$$

For the latest updates...please visit our webpage at
www.weather.gov/boston

You can follow us on Facebook at
www.facebook.com/NWSBoston

You can follow us on Twitter at
@NWSBoston
5 follow-up statements
786 
WWUS71 KBOX 041926
NPWBOX

URGENT - WEATHER MESSAGE
National Weather Service Boston/Norton MA
326 PM EDT Fri May 4 2018

MAZ002>004-008>012-026-050330-
/O.CON.KBOX.WI.Y.0015.180505T0300Z-180505T1100Z/
Western Franklin MA-Eastern Franklin MA-Northern Worcester MA-
Western Hampshire MA-Western Hampden MA-Eastern Hampshire MA-
Eastern Hampden MA-Southern Worcester MA-Northern Middlesex MA-
Including the cities of Charlemont, Greenfield, Orange, Barre, 
Fitchburg, Chesterfield, Blandford, Amherst, Northampton, 
Springfield, Milford, Worcester, and Ayer
326 PM EDT Fri May 4 2018

...WIND ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO
7 AM EDT SATURDAY...

* Location...Western and central Massachusetts. Best chance will
  be in the hills of this region.

* Winds...West 10 to 20 mph with some gusts up to 50 mph.

* Timing...Strongest winds will occur after midnight with a 
  brief period of gusts to 50 mph.

* Impacts...Winds this strong are capable of downing small tree 
  limbs and branches, possibly causing isolated power outages.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained winds of 31 to 39 mph are
expected, with gusts between 46 to 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. Use extra caution.

&&

$$

For the latest updates...please visit our webpage at
www.weather.gov/boston

You can follow us on Facebook at
www.facebook.com/NWSBoston

You can follow us on Twitter at
@NWSBoston
886 
WWUS71 KBOX 042112
NPWBOX

URGENT - WEATHER MESSAGE
National Weather Service Boston/Norton MA
512 PM EDT Fri May 4 2018

MAZ005>007-013>016-050515-
/O.EXA.KBOX.WI.Y.0015.180505T0300Z-180505T1100Z/
Central Middlesex MA-Western Essex MA-Eastern Essex MA-
Western Norfolk MA-Southeast Middlesex MA-Suffolk MA-
Eastern Norfolk MA-
Including the cities of Framingham, Lowell, Lawrence, Gloucester,
Foxborough, Norwood, Cambridge, Boston, and Quincy
512 PM EDT Fri May 4 2018

...WIND ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 7 AM EDT
SATURDAY...

The National Weather Service in Boston/Norton has issued a Wind
Advisory, which is in effect from 11 PM this evening to 7 AM EDT
Saturday.

* Location...Western and central Massachusetts. Best chance will 
  be in the hills of this region.

* Winds...West 10 to 15 mph with gusts 40 to 50 mph.

* Timing...Strongest winds will occur after midnight with a 
  brief period of gusts to 50 mph.

* Impacts...Winds this strong are capable of downing small tree 
  limbs and branches, possibly causing isolated power outages.

$$

MAZ002>004-008>012-026-050515-
/O.CON.KBOX.WI.Y.0015.180505T0300Z-180505T1100Z/
Western Franklin MA-Eastern Franklin MA-Northern Worcester MA-
Western Hampshire MA-Western Hampden MA-Eastern Hampshire MA-
Eastern Hampden MA-Southern Worcester MA-Northern Middlesex MA-
Including the cities of Charlemont, Greenfield, Orange, Barre, 
Fitchburg, Chesterfield, Blandford, Amherst, Northampton, 
Springfield, Milford, Worcester, and Ayer
512 PM EDT Fri May 4 2018

...WIND ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO
7 AM EDT SATURDAY...

* Location...Eastern and Northeastern Massachusetts, including the
  Boston metro area.

* Winds...West 10 to 20 mph with gusts 40 to 50 mph.

* Timing...Strongest winds will occur after midnight with a 
  brief period of gusts to 50 mph.

* Impacts...Winds this strong are capable of downing small tree 
  limbs and branches, possibly causing isolated power outages.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained winds of 31 to 39 mph are
expected, with gusts between 46 to 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. Use extra caution.

&&

$$

For the latest updates...please visit our webpage at
www.weather.gov/boston

You can follow us on Facebook at
www.facebook.com/NWSBoston

You can follow us on Twitter at
@NWSBoston
831 
WWUS71 KBOX 050057
NPWBOX

URGENT - WEATHER MESSAGE
National Weather Service Boston/Norton MA
857 PM EDT Fri May 4 2018

MAZ002>016-026-050900-
/O.EXT.KBOX.WI.Y.0015.180505T0100Z-180505T1100Z/
Western Franklin MA-Eastern Franklin MA-Northern Worcester MA-
Central Middlesex MA-Western Essex MA-Eastern Essex MA-
Western Hampshire MA-Western Hampden MA-Eastern Hampshire MA-
Eastern Hampden MA-Southern Worcester MA-Western Norfolk MA-
Southeast Middlesex MA-Suffolk MA-Eastern Norfolk MA-
Northern Middlesex MA-
Including the cities of Charlemont, Greenfield, Orange, Barre, 
Fitchburg, Framingham, Lowell, Lawrence, Gloucester, 
Chesterfield, Blandford, Amherst, Northampton, Springfield, 
Milford, Worcester, Foxborough, Norwood, Cambridge, Boston, 
Quincy, and Ayer
857 PM EDT Fri May 4 2018

...WIND ADVISORY NOW IN EFFECT UNTIL 7 AM EDT SATURDAY...

* Location...All of Massachusetts except the southeast.

* Winds...West 10 to 20 mph with gusts up to 50 mph.

* Timing...Strongest winds will occur with a line of heavy
  showers, then again after midnight.

* Impacts...Winds this strong are capable of downing small tree 
  limbs and branches, possibly causing isolated power outages.

$$

For the latest updates...please visit our webpage at
www.weather.gov/boston

You can follow us on Facebook at
www.facebook.com/NWSBoston

You can follow us on Twitter at
@NWSBoston
947 
WWUS71 KBOX 050228
NPWBOX

URGENT - WEATHER MESSAGE
National Weather Service Boston/Norton MA
1028 PM EDT Fri May 4 2018

MAZ002>016-026-051030-
/O.CON.KBOX.WI.Y.0015.000000T0000Z-180505T1100Z/
Western Franklin MA-Eastern Franklin MA-Northern Worcester MA-
Central Middlesex MA-Western Essex MA-Eastern Essex MA-
Western Hampshire MA-Western Hampden MA-Eastern Hampshire MA-
Eastern Hampden MA-Southern Worcester MA-Western Norfolk MA-
Southeast Middlesex MA-Suffolk MA-Eastern Norfolk MA-
Northern Middlesex MA-
Including the cities of Charlemont, Greenfield, Orange, Barre, 
Fitchburg, Framingham, Lowell, Lawrence, Gloucester, 
Chesterfield, Blandford, Amherst, Northampton, Springfield, 
Milford, Worcester, Foxborough, Norwood, Cambridge, Boston, 
Quincy, and Ayer
1028 PM EDT Fri May 4 2018

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM EDT SATURDAY...

* Location...All of Massachusetts except the southeast.

* Winds...West 10 to 20 mph with gusts up to 50 mph.

* Timing...Strongest winds will occur with a line of heavy 
  showers, then pick up again after midnight.

* Impacts...Winds this strong are capable of downing small tree 
  limbs and branches, possibly causing isolated power outages.

$$

For the latest updates...please visit our webpage at
www.weather.gov/boston

You can follow us on Facebook at
www.facebook.com/NWSBoston

You can follow us on Twitter at
@NWSBoston
021 
WWUS71 KBOX 051024
NPWBOX

URGENT - WEATHER MESSAGE
National Weather Service Boston/Norton MA
624 AM EDT Sat May 5 2018

MAZ002>016-026-051130-
/O.CAN.KBOX.WI.Y.0015.000000T0000Z-180505T1100Z/
Western Franklin MA-Eastern Franklin MA-Northern Worcester MA-
Central Middlesex MA-Western Essex MA-Eastern Essex MA-
Western Hampshire MA-Western Hampden MA-Eastern Hampshire MA-
Eastern Hampden MA-Southern Worcester MA-Western Norfolk MA-
Southeast Middlesex MA-Suffolk MA-Eastern Norfolk MA-
Northern Middlesex MA-
Including the cities of Charlemont, Greenfield, Orange, Barre, 
Fitchburg, Framingham, Lowell, Lawrence, Gloucester, 
Chesterfield, Blandford, Amherst, Northampton, Springfield, 
Milford, Worcester, Foxborough, Norwood, Cambridge, Boston, 
Quincy, and Ayer
624 AM EDT Sat May 5 2018

...WIND ADVISORY IS CANCELLED...

The National Weather Service in Boston/Norton has cancelled the
Wind Advisory.

$$

For the latest updates...please visit our webpage at
www.weather.gov/boston

You can follow us on Facebook at
www.facebook.com/NWSBoston

You can follow us on Twitter at
@NWSBoston

The office that day

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

IssuedProductOfficeCountiesLasted
May 3, 9:46 PM EDTSmall Craft AdvisoryBOX51 hr
May 4, 3:24 PM EDTGale WarningBOX15 hr
May 4, 5:45 PM EDTSpecial Weather StatementBOXFranklin30 min
May 4, 5:54 PM EDTSevere Thunderstorm WarningBOXFranklin18 min

Nearby

Wind Advisories in Massachusetts, 2018Every wind advisory in 2018

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.