Alert archive / Massachusetts / Wind Advisories in 2021
Wind Advisory 15, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this wind advisory at Sep 1, 2021, 4:00 PM EDT for 5 counties in Massachusetts. It took effect at Sep 2, 2021, 3:00 AM EDT. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Sep 1, 2021, 4:00 PM EDT (20:00 UTC)
- In effect from
- Sep 2, 2021, 3:00 AM EDT
- Expired
- Sep 2, 2021, 10:43 AM EDT
- In force
- 8 hr
- Issued by
- NWS Boston/Norton, MA
Counties Barnstable County, MA, Essex County, MA, Norfolk County, MA, Plymouth County, MA, Suffolk County, MA
The radar
The Boston radar (KBOX), 35 km from the middle of the area, began a volume at 20:02 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
Gray, ME (KGYX), launched 12:00Z, 8.0 hours before the alert went out and 197 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
- 1379 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 79 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
730 WWUS71 KBOX 012000 NPWBOX URGENT - WEATHER MESSAGE National Weather Service Boston/Norton MA 400 PM EDT Wed Sep 1 2021 MAZ007-015-016-019-022-020900- /O.NEW.KBOX.WI.Y.0015.210902T0700Z-210902T1700Z/ Eastern Essex MA-Suffolk MA-Eastern Norfolk MA- Eastern Plymouth MA-Barnstable MA- Including the cities of Gloucester, Boston, Quincy, Plymouth, Chatham, Falmouth, and Provincetown 400 PM EDT Wed Sep 1 2021 ...WIND ADVISORY IN EFFECT FROM 3 AM TO 1 PM EDT THURSDAY... * WHAT...North to Northeast winds 20 to 30 mph with gusts up to 40 mph expected. * WHERE...Eastern Essex MA, Suffolk MA, Eastern Norfolk MA, Eastern Plymouth MA and Barnstable MA Counties. * WHEN...From 3 AM to 1 PM EDT Thursday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. These wind speeds are less than typical wind advisory criteria, however given fully leaved trees and saturated ground, the threshold may be lower for wind and tree damage. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ For more information from the National Weather Service visit https://weather.gov/box
2 follow-up statements
267 WWUS71 KBOX 020758 NPWBOX URGENT - WEATHER MESSAGE National Weather Service Boston/Norton MA 358 AM EDT Thu Sep 2 2021 MAZ007-015-016-019-022-021700- /O.CON.KBOX.WI.Y.0015.000000T0000Z-210902T1700Z/ Eastern Essex MA-Suffolk MA-Eastern Norfolk MA- Eastern Plymouth MA-Barnstable MA- Including the cities of Gloucester, Boston, Quincy, Plymouth, Chatham, Falmouth, and Provincetown 358 AM EDT Thu Sep 2 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM EDT THIS AFTERNOON... * WHAT...North winds 15 to 25 mph with gusts up to 45 mph. * WHERE...Suffolk MA, Eastern Essex MA, Barnstable MA, Eastern Norfolk MA and Eastern Plymouth MA Counties. * WHEN...Until 1 PM EDT this afternoon. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ For more information from the National Weather Service visit https://weather.gov/box
949 WWUS71 KBOX 021443 NPWBOX URGENT - WEATHER MESSAGE National Weather Service Boston/Norton MA 1043 AM EDT Thu Sep 2 2021 MAZ007-015-016-019-022-021545- /O.CAN.KBOX.WI.Y.0015.000000T0000Z-210902T1700Z/ Eastern Essex MA-Suffolk MA-Eastern Norfolk MA- Eastern Plymouth MA-Barnstable MA- Including the cities of Gloucester, Boston, Quincy, Plymouth, Chatham, Falmouth, and Provincetown 1043 AM EDT Thu Sep 2 2021 ...WIND ADVISORY IS CANCELLED... Winds will continue to diminish this afternoon as the remnants of Ida moves farther offshore. $$ 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 |
|---|---|---|---|---|
| Sep 1, 3:26 AM EDT | Gale Watch | BOX | 31 hr | |
| Sep 1, 3:26 AM EDT | Gale Warning | BOX | 35 hr | |
| Sep 1, 2:34 PM EDT | Special Marine Warning | BOX | 56 min | |
| Sep 1, 3:29 PM EDT | Special Marine Warning | BOX | 61 min | |
| Sep 1, 4:13 PM EDT | Special Marine Warning | BOX | 62 min | |
| Sep 1, 4:52 PM EDT | Severe Thunderstorm Warning | BOX | Nantucket | 38 min |
| Sep 1, 5:10 PM EDT | Special Marine Warning | BOX | 65 min | |
| Sep 1, 5:49 PM EDT | Special Weather Statement | BOX | Nantucket | 41 min |
| Sep 1, 6:09 PM EDT | Special Marine Warning | BOX | 66 min |
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.