Alert archive / Massachusetts / High Wind Watches in 2021
High Wind Watch 1, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this high wind watch at Jan 31, 2021, 3:49 AM EST for Barnstable County, Dukes County, Nantucket County, Massachusetts; Washington County, Rhode Island. It took effect at Feb 1, 2021, 7:00 AM EST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Jan 31, 2021, 3:49 AM EST (08:49 UTC)
- In effect from
- Feb 1, 2021, 7:00 AM EST
- Expired
- Jan 31, 2021, 3:39 PM EST
- In force
- Issued by
- NWS Boston/Norton, MA
Counties Barnstable County, MA, Dukes County, MA, Nantucket County, MA, Washington County, RI
The radar
The Boston radar (KBOX), 70 km from the middle of the area, began a volume at 08:48 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, 8.8 hours before the alert went out and 63 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
- 1122 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 26 m²/s²
- 0-3 km storm-relative helicity
- 73 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
549 WWUS71 KBOX 310849 NPWBOX URGENT - WEATHER MESSAGE National Weather Service Boston/Norton MA 349 AM EST Sun Jan 31 2021 MAZ022>024-RIZ008-311700- /O.NEW.KBOX.HW.A.0001.210201T1200Z-210202T2100Z/ Barnstable MA-Dukes MA-Nantucket MA-Block Island RI- Including the cities of Chatham, Falmouth, Provincetown, Vineyard Haven, Nantucket, and New Shoreham 349 AM EST Sun Jan 31 2021 ...HIGH WIND WATCH IN EFFECT FROM MONDAY MORNING THROUGH TUESDAY AFTERNOON... * WHAT...Northeast winds 25 to 35 mph with gusts up to 60 mph possible. * WHERE...In Massachusetts, Barnstable MA, Dukes MA and Nantucket MA Counties. In Rhode Island, Block Island RI County. * WHEN...From Monday morning through Tuesday afternoon. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ For more information from the National Weather Service visit https://weather.gov/box
2 follow-up statements
592 WWUS71 KBOX 311521 NPWBOX URGENT - WEATHER MESSAGE National Weather Service Boston/Norton MA 1021 AM EST Sun Jan 31 2021 MAZ022>024-RIZ008-312200- /O.CON.KBOX.HW.A.0001.210201T1200Z-210202T2100Z/ Barnstable MA-Dukes MA-Nantucket MA-Block Island RI- Including the cities of Chatham, Falmouth, Provincetown, Vineyard Haven, Nantucket, and New Shoreham 1021 AM EST Sun Jan 31 2021 ...HIGH WIND WATCH REMAINS IN EFFECT FROM MONDAY MORNING THROUGH TUESDAY AFTERNOON... * WHAT...Northeast winds 25 to 35 mph with gusts up to 60 mph possible. * WHERE...In Massachusetts, Barnstable MA, Dukes MA and Nantucket MA Counties. In Rhode Island, Block Island RI County. * WHEN...From Monday morning through Tuesday afternoon. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ For more information from the National Weather Service visit https://weather.gov/box
820 WWUS71 KBOX 312039 NPWBOX URGENT - WEATHER MESSAGE National Weather Service Boston/Norton MA 339 PM EST Sun Jan 31 2021 MAZ022>024-RIZ008-011000- /O.UPG.KBOX.HW.A.0001.210201T1200Z-210202T2100Z/ /O.NEW.KBOX.HW.W.0001.210201T1700Z-210202T0700Z/ Barnstable MA-Dukes MA-Nantucket MA-Block Island RI- Including the cities of Chatham, Falmouth, Provincetown, Vineyard Haven, Nantucket, and New Shoreham 339 PM EST Sun Jan 31 2021 ...HIGH WIND WARNING IN EFFECT FROM NOON MONDAY TO 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. && $$ 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 |
|---|---|---|---|---|
| Jan 31, 3:50 AM EST | Storm Watch | BOX | 12 hr | |
| Jan 31, 3:37 PM EST | Winter Storm Warning | BOX | Bristol, Essex, Franklin, Hampden, Hampshire, Middlesex and 4 more | 37 hr |
| Jan 31, 3:39 PM EST | Gale Warning | BOX | 51 hr | |
| Jan 31, 3:39 PM EST | High Wind Warning | BOX | Barnstable, Dukes, Nantucket | 33 hr |
| Jan 31, 3:39 PM EST | Storm Warning | BOX | 42 hr | |
| Jan 31, 3:52 PM EST | Coastal Flood Watch | BOX | Barnstable, Dukes, Essex, Nantucket, Norfolk, Plymouth and 1 more | 12 hr |
| Jan 31, 4:53 PM EST | Winter Weather Advisory | BOX | Barnstable, Dukes | 23 hr |
Nearby
High Wind Watches in Massachusetts, 2021High Wind Watches in Rhode Island, 2021Every high wind watch 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.