Alert archive / Massachusetts / Wind Advisories in 2020
Wind Advisory 30, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this wind advisory at Dec 5, 2020, 11:58 PM EST for 6 counties in Massachusetts; Washington County, Rhode Island. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Dec 5, 2020, 11:58 PM EST (04:58 UTC)
- Expired
- Dec 6, 2020, 5:06 AM EST
- In force
- 5 hr
- Issued by
- NWS Boston/Norton, MA
Counties Barnstable County, MA, Dukes County, MA, Essex County, MA, Nantucket County, MA, Norfolk County, MA, Plymouth County, MA, Washington County, RI
The radar
The Boston radar (KBOX), 35 km from the middle of the area, began a volume at 05:01 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, 5.0 hours before the alert went out and 68 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
- 518 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 123 m²/s²
- 0-3 km storm-relative helicity
- 412 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
880 WWUS71 KBOX 060458 NPWBOX URGENT - WEATHER MESSAGE National Weather Service Boston/Norton MA 1158 PM EST Sat Dec 5 2020 MAZ007-019-022>024-RIZ008-061300- /O.CAN.KBOX.HW.W.0009.000000T0000Z-201206T0500Z/ /O.NEW.KBOX.WI.Y.0030.201206T0458Z-201206T1800Z/ Eastern Essex MA-Eastern Plymouth MA-Barnstable MA-Dukes MA- Nantucket MA-Block Island RI- Including the cities of Gloucester, Plymouth, Chatham, Falmouth, Provincetown, Vineyard Haven, Nantucket, and New Shoreham 1158 PM EST Sat Dec 5 2020 ...WIND ADVISORY IN EFFECT UNTIL 1 PM EST SUNDAY... ...HIGH WIND WARNING IS CANCELLED... * WHAT...Northwest winds 20 to 30 mph with gusts up to 50 mph. * WHERE...In Massachusetts, Eastern Essex MA, Eastern Plymouth MA, Barnstable MA, Dukes MA and Nantucket MA Counties. In Rhode Island, Block Island RI County. * WHEN...Until 1 PM EST Sunday. * 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. && $$ MAZ013>018-020-021-RIZ002>007-060600- /O.CAN.KBOX.WI.Y.0029.000000T0000Z-201206T0500Z/ Western Norfolk MA-Southeast Middlesex MA-Suffolk MA- Eastern Norfolk MA-Northern Bristol MA-Western Plymouth MA- Southern Bristol MA-Southern Plymouth MA-Southeast Providence RI- Western Kent RI-Eastern Kent RI-Bristol RI-Washington RI- Newport RI- Including the cities of Foxborough, Norwood, Cambridge, Boston, Quincy, Taunton, Brockton, Fall River, New Bedford, Mattapoisett, Providence, Coventry, West Greenwich, East Greenwich, Warwick, West Warwick, Bristol, Narragansett, Westerly, and Newport 1158 PM EST Sat Dec 5 2020 ...WIND ADVISORY IS CANCELLED... $$ For more information from the National Weather Service visit https://weather.gov/box
1 follow-up statement
509 WWUS71 KBOX 061006 NPWBOX URGENT - WEATHER MESSAGE National Weather Service Boston/Norton MA 506 AM EST Sun Dec 6 2020 MAZ007-019-022>024-RIZ008-061115- /O.CAN.KBOX.WI.Y.0030.000000T0000Z-201206T1800Z/ Eastern Essex MA-Eastern Plymouth MA-Barnstable MA-Dukes MA- Nantucket MA-Block Island RI- Including the cities of Gloucester, Plymouth, Chatham, Falmouth, Provincetown, Vineyard Haven, Nantucket, and New Shoreham 506 AM EST Sun Dec 6 2020 ...WIND ADVISORY IS CANCELLED... $$ 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 |
|---|---|---|---|---|
| Dec 6, 7:01 AM EST | Small Craft Advisory | BOX | 32 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.