Alert archive / Massachusetts / Wind Chill Advisories in 2021
Wind Chill Advisory 2, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this wind chill advisory at Jan 29, 2021, 3:10 PM EST for 5 counties in Massachusetts. It took effect at Jan 29, 2021, 7:00 PM EST. It was in force for 15 hr.
The area
The counties it named.
The facts
- Issued
- Jan 29, 2021, 3:10 PM EST (20:10 UTC)
- In effect from
- Jan 29, 2021, 7:00 PM EST
- Expired
- Jan 30, 2021, 10:00 AM EST
- In force
- 15 hr
- Issued by
- NWS Boston/Norton, MA
Counties Franklin County, MA, Hampden County, MA, Hampshire County, MA, Middlesex County, MA, Worcester County, MA
The radar
The Boston radar (KBOX), 102 km from the middle of the area, began a volume at 20:14 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
Albany, NY (KALY), launched 12:00Z, 8.2 hours before the alert went out and 135 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
- 1101 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 253 m²/s²
- 0-3 km storm-relative helicity
- 367 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
849 WWUS41 KBOX 292010 WSWBOX URGENT - WINTER WEATHER MESSAGE National Weather Service Boston/Norton MA 310 PM EST Fri Jan 29 2021 MAZ002>004-008-009-026-300415- /O.NEW.KBOX.WC.Y.0002.210130T0000Z-210130T1500Z/ Western Franklin MA-Eastern Franklin MA-Northern Worcester MA- Western Hampshire MA-Western Hampden MA-Northern Middlesex MA- Including the cities of Charlemont, Greenfield, Orange, Barre, Fitchburg, Chesterfield, Blandford, and Ayer 310 PM EST Fri Jan 29 2021 ...WIND CHILL ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 10 AM EST SATURDAY... * WHAT...Very cold wind chills expected. Wind chills as low as 15 to 20 below zero. * WHERE...Portions of central, eastern and western Massachusetts. * WHEN...From 7 PM this evening to 10 AM EST Saturday. * IMPACTS...The cold wind chills could result in hypothermia if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ MAZ022-300100- /O.CON.KBOX.WW.Y.0004.000000T0000Z-210130T0100Z/ Barnstable MA- Including the cities of Chatham, Falmouth, and Provincetown 310 PM EST Fri Jan 29 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM EST THIS EVENING... * WHAT...Snow. Total snow accumulations of 1 to 3 inches. Highest snowfall amounts expected across the outer-Cape. Winds gusting as high as 45 mph combined with the snow may result in sharply reduced visibility at times. * WHERE...Barnstable MA County, especially over the Outer Cape. Expect lesser amounts towards the Cape Cod Canal. * WHEN...Until 8 PM EST this evening. Heaviest snow until 7 pm this evening. * IMPACTS...Sharply reduced visibilities are possible at times, especially across the Outer Cape. The hazardous conditions could result in difficult travel due to low visibilities, strong winds and slick roads. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. && $$ MAZ024-300100- /O.CON.KBOX.WW.Y.0004.000000T0000Z-210130T0100Z/ Nantucket MA- Including the city of Nantucket 310 PM EST Fri Jan 29 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM EST THIS EVENING... * WHAT...Snow. Total snow accumulations of 1 to 3 inches. Winds gusting as high as 50 mph. * WHERE...Nantucket MA County. * WHEN...Until 8 PM EST this evening. Steadiest snow between 3 and 8 pm this evening. * IMPACTS...Brief sharply reduced visibility at times. The hazardous conditions could result in difficult travel due to low visibilities, strong winds and slick roads. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. && $$
3 follow-up statements
208 WWUS41 KBOX 300045 WSWBOX URGENT - WINTER WEATHER MESSAGE National Weather Service Boston/Norton MA 745 PM EST Fri Jan 29 2021 MAZ022-024-300145- /O.CAN.KBOX.WW.Y.0004.000000T0000Z-210130T0100Z/ Barnstable MA-Nantucket MA- Including the cities of Chatham, Falmouth, Provincetown, and Nantucket 745 PM EST Fri Jan 29 2021 ...WINTER WEATHER ADVISORY IS CANCELLED... Snow is diminishing and conditions will be improving. Do be mindful of slick snow covered roads and untreated surfaces. $$ MAZ002>004-008-009-026-300845- /O.CON.KBOX.WC.Y.0002.000000T0000Z-210130T1500Z/ Western Franklin MA-Eastern Franklin MA-Northern Worcester MA- Western Hampshire MA-Western Hampden MA-Northern Middlesex MA- Including the cities of Charlemont, Greenfield, Orange, Barre, Fitchburg, Chesterfield, Blandford, and Ayer 745 PM EST Fri Jan 29 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST SATURDAY... * WHAT...Very cold wind chills expected. Wind chills as low as 15 to 20 below zero. * WHERE...Portions of central, eastern and western Massachusetts. * WHEN...Until 10 AM EST Saturday. * IMPACTS...The cold wind chills could result in hypothermia if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ TG
895 WWUS41 KBOX 300837 WSWBOX URGENT - WINTER WEATHER MESSAGE National Weather Service Boston/Norton MA 337 AM EST Sat Jan 30 2021 MAZ002>004-008-009-026-301500- /O.CON.KBOX.WC.Y.0002.000000T0000Z-210130T1500Z/ Western Franklin MA-Eastern Franklin MA-Northern Worcester MA- Western Hampshire MA-Western Hampden MA-Northern Middlesex MA- Including the cities of Charlemont, Greenfield, Orange, Barre, Fitchburg, Chesterfield, Blandford, and Ayer 337 AM EST Sat Jan 30 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS MORNING... * WHAT...Very cold wind chills expected. Wind chills as low as 15 to 20 below zero. * WHERE...Portions of central, eastern and western Massachusetts. * WHEN...Until 10 AM EST Saturday. * IMPACTS...The cold wind chills could result in hypothermia if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$
106 WWUS41 KBOX 301512 WSWBOX URGENT - WINTER WEATHER MESSAGE National Weather Service Boston/Norton MA 1012 AM EST Sat Jan 30 2021 MAZ002>004-008-009-026-301615- /O.EXP.KBOX.WC.Y.0002.000000T0000Z-210130T1500Z/ Western Franklin MA-Eastern Franklin MA-Northern Worcester MA- Western Hampshire MA-Western Hampden MA-Northern Middlesex MA- Including the cities of Charlemont, Greenfield, Orange, Barre, Fitchburg, Chesterfield, Blandford, and Ayer 1012 AM EST Sat Jan 30 2021 ...WIND CHILL ADVISORY HAS EXPIRED... $$
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 29, 3:26 AM EST | Winter Weather Advisory | BOX | Barnstable, Nantucket | 16 hr |
Nearby
Wind Chill Advisories in Massachusetts, 2021Every wind chill 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.