Alert archive / Massachusetts / Wind Advisories in 2021
Wind Advisory 12, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this wind advisory at Apr 16, 2021, 3:42 AM EDT for Essex County, Massachusetts. It took effect at Apr 16, 2021, 8:00 AM EDT. It was in force for 11 hr.
The area
The counties it named.
The facts
- Issued
- Apr 16, 2021, 3:42 AM EDT (07:42 UTC)
- In effect from
- Apr 16, 2021, 8:00 AM EDT
- Expired
- Apr 16, 2021, 7:00 PM EDT
- In force
- 11 hr
- Issued by
- NWS Boston/Norton, MA
County Essex County, MA
The radar
The Boston radar (KBOX), 79 km from the middle of the area, began a volume at 07:43 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 00:00Z, 7.7 hours before the alert went out and 148 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
- 1400 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- -12 m²/s²
- 0-3 km storm-relative helicity
- 26 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
382 WWUS71 KBOX 160742 NPWBOX URGENT - WEATHER MESSAGE National Weather Service Boston/Norton MA 342 AM EDT Fri Apr 16 2021 MAZ007-162000- /O.NEW.KBOX.WI.Y.0012.210416T1200Z-210416T2000Z/ Eastern Essex MA- Including the city of Gloucester 342 AM EDT Fri Apr 16 2021 ...WIND ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 4 PM EDT THIS AFTERNOON... * WHAT...Northeast winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Eastern Essex MA County. * WHEN...From 8 AM this morning to 4 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. && $$ Frank For more information from the National Weather Service visit https://weather.gov/box
2 follow-up statements
685 WWUS71 KBOX 161938 NPWBOX URGENT - WEATHER MESSAGE National Weather Service Boston/Norton MA 338 PM EDT Fri Apr 16 2021 MAZ007-162300- /O.EXT.KBOX.WI.Y.0012.000000T0000Z-210416T2300Z/ Eastern Essex MA- Including the city of Gloucester 338 PM EDT Fri Apr 16 2021 ...WIND ADVISORY NOW IN EFFECT UNTIL 7 PM EDT THIS EVENING... * WHAT...Northeast winds 15 to 25 mph with gusts up to 45 mph. * WHERE...Eastern Essex MA County. * WHEN...Until 7 PM EDT this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ For more information from the National Weather Service visit https://weather.gov/box
248 WWUS71 KBOX 162259 NPWBOX URGENT - WEATHER MESSAGE National Weather Service Boston/Norton MA 659 PM EDT Fri Apr 16 2021 MAZ007-170000- /O.EXP.KBOX.WI.Y.0012.000000T0000Z-210416T2300Z/ Eastern Essex MA- Including the city of Gloucester 659 PM EDT Fri Apr 16 2021 ...WIND ADVISORY WILL EXPIRE AT 7 PM EDT THIS EVENING... Gusty winds will continue to diminish as low pressure lifts offshore, therefore the Wind Advisory will be allowed to expire. $$ For more information from the National Weather Service visit https://weather.gov/box
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.