Alert archive / Massachusetts / Wind Advisories in 2021
Wind Advisory 4, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this wind advisory at Feb 1, 2021, 10:31 PM EST for 4 counties in Massachusetts. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Feb 1, 2021, 10:31 PM EST (03:31 UTC)
- Expired
- Feb 2, 2021, 4:15 AM EST
- In force
- 6 hr
- Issued by
- NWS Boston/Norton, MA
Counties Essex County, MA, Norfolk County, MA, Plymouth County, MA, Suffolk County, MA
The radar
The Boston radar (KBOX), 40 km from the middle of the area, began a volume at 03:31 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, 3.5 hours before the alert went out and 107 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 541 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 433 m²/s²
- 0-3 km storm-relative helicity
- 1097 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
309 WWUS71 KBOX 020331 NPWBOX URGENT - WEATHER MESSAGE National Weather Service Boston/Norton MA 1031 PM EST Mon Feb 1 2021 MAZ022>024-RIZ008-020700- /O.CON.KBOX.HW.W.0001.000000T0000Z-210202T0700Z/ Barnstable MA-Dukes MA-Nantucket MA-Block Island RI- Including the cities of Chatham, Falmouth, Provincetown, Vineyard Haven, Nantucket, and New Shoreham 1031 PM EST Mon Feb 1 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 AM EST TUESDAY... * WHAT...Northeast winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...In Massachusetts, Barnstable MA, Dukes MA and Nantucket MA Counties. In Rhode Island, Block Island RI County. * WHEN...From noon Monday to 2 AM EST Tuesday. * 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. && $$ MAZ007-015-016-019-021000- /O.NEW.KBOX.WI.Y.0004.210202T0331Z-210202T1000Z/ Eastern Essex MA-Suffolk MA-Eastern Norfolk MA- Eastern Plymouth MA- Including the cities of Gloucester, Boston, Quincy, and Plymouth 1031 PM EST Mon Feb 1 2021 ...WIND ADVISORY IN EFFECT UNTIL 5 AM EST TUESDAY... * WHAT...Northeast winds 25 to 35 mph with gusts up to 55 mph. * WHERE...Eastern Essex MA, Suffolk MA, Eastern Norfolk MA and Eastern Plymouth MA Counties. * WHEN...Until 5 AM EST Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ For more information from the National Weather Service visit https://weather.gov/box
2 follow-up statements
861 WWUS71 KBOX 020555 NPWBOX URGENT - WEATHER MESSAGE National Weather Service Boston/Norton MA 1255 AM EST Tue Feb 2 2021 MAZ022>024-RIZ008-020700- /O.CAN.KBOX.HW.W.0001.000000T0000Z-210202T0700Z/ Barnstable MA-Dukes MA-Nantucket MA-Block Island RI- Including the cities of Chatham, Falmouth, Provincetown, Vineyard Haven, Nantucket, and New Shoreham 1255 AM EST Tue Feb 2 2021 ...HIGH WIND WARNING IS CANCELLED... The strongest winds have lifted north of the region. Therefore, the high wind warning has been cancelled. $$ MAZ007-015-016-019-021000- /O.CON.KBOX.WI.Y.0004.000000T0000Z-210202T1000Z/ Eastern Essex MA-Suffolk MA-Eastern Norfolk MA- Eastern Plymouth MA- Including the cities of Gloucester, Boston, Quincy, and Plymouth 1255 AM EST Tue Feb 2 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 AM EST EARLY THIS MORNING... * WHAT...Northeast winds 25 to 35 mph with gusts up to 50 mph. * WHERE...Eastern Plymouth MA, Suffolk MA, Eastern Essex MA and Eastern Norfolk MA Counties. * WHEN...Until 5 AM EST early this morning. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ For more information from the National Weather Service visit https://weather.gov/box
158 WWUS71 KBOX 020915 NPWBOX URGENT - WEATHER MESSAGE National Weather Service Boston/Norton MA 415 AM EST Tue Feb 2 2021 MAZ007-015-016-019-021015- /O.CAN.KBOX.WI.Y.0004.000000T0000Z-210202T1000Z/ Eastern Essex MA-Suffolk MA-Eastern Norfolk MA- Eastern Plymouth MA- Including the cities of Gloucester, Boston, Quincy, and Plymouth 415 AM EST Tue Feb 2 2021 ...WIND ADVISORY IS CANCELLED... Northeast wind gusts of 40 to 45 mph will remain possible early this morning, but they will be just below advisory criteria. Therefore, the wind advisory has been cancelled. $$ Frank 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 1, 7:24 PM EST | Winter Weather Advisory | BOX | Bristol, Essex, Norfolk, Plymouth, Suffolk | 6 hr |
| Feb 2, 4:07 AM EST | Winter Weather Advisory | BOX | Essex, Franklin, Hampden, Hampshire, Middlesex, Norfolk and 2 more | 11 hr |
| Feb 2, 4:18 AM EST | Small Craft Advisory | BOX | 116 min | |
| Feb 2, 6:14 AM EST | Gale Warning | BOX | 4 hr | |
| Feb 2, 9:52 AM EST | Small Craft Advisory | BOX | 66 hr |
Nearby
Wind Advisories in Massachusetts, 2021Every wind advisory in 2021
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.