Alert archive / Massachusetts / Wind Chill Advisories in 2021
Wind Chill Advisory 3, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this wind chill advisory at Mar 1, 2021, 3:11 AM EST for 5 counties in Massachusetts. It took effect at Mar 2, 2021, 12:00 AM EST. It was in force for 10 hr.
The area
The counties it named.
The facts
- Issued
- Mar 1, 2021, 3:11 AM EST (08:11 UTC)
- In effect from
- Mar 2, 2021, 12:00 AM EST
- Expired
- Mar 2, 2021, 9:31 AM EST
- In force
- 10 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 08:12 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 00:00Z, 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
- 954 m above ground
- 0-6 km bulk shear
- 75 kt
- 0-1 km storm-relative helicity
- 188 m²/s²
- 0-3 km storm-relative helicity
- 432 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
755 WWUS41 KBOX 010811 WSWBOX URGENT - WINTER WEATHER MESSAGE National Weather Service Boston/Norton MA 311 AM EST Mon Mar 1 2021 MAZ002-008-009-012115- /O.NEW.KBOX.WC.Y.0003.210302T0500Z-210302T1500Z/ Western Franklin MA-Western Hampshire MA-Western Hampden MA- Including the cities of Charlemont, Chesterfield, and Blandford 311 AM EST Mon Mar 1 2021 ...WIND CHILL ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM EST TUESDAY... * WHAT...Very cold wind chills expected. Wind chills as low as 20 below zero. * WHERE...Western Franklin MA, Western Hampshire MA and Western Hampden MA Counties. * WHEN...From midnight tonight to 10 AM EST Tuesday. * IMPACTS...The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ BL
3 follow-up statements
738 WWUS41 KBOX 011942 WSWBOX URGENT - WINTER WEATHER MESSAGE National Weather Service Boston/Norton MA 242 PM EST Mon Mar 1 2021 MAZ003-004-026-021000- /O.EXA.KBOX.WC.Y.0003.210302T0500Z-210302T1500Z/ Eastern Franklin MA-Northern Worcester MA-Northern Middlesex MA- Including the cities of Greenfield, Orange, Barre, Fitchburg, and Ayer 242 PM EST Mon Mar 1 2021 ...WIND CHILL ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM EST TUESDAY... * WHAT...Very cold wind chills expected. Wind chills as low as 15 below zero. * WHERE...Northwest and north central Massachusetts. * WHEN...From midnight tonight to 10 AM EST Tuesday. * IMPACTS...The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ MAZ002-008-009-021000- /O.CON.KBOX.WC.Y.0003.210302T0500Z-210302T1500Z/ Western Franklin MA-Western Hampshire MA-Western Hampden MA- Including the cities of Charlemont, Chesterfield, and Blandford 242 PM EST Mon Mar 1 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM EST TUESDAY... * WHAT...Very cold wind chills expected. Wind chills as low as 20 below zero. * WHERE...East Slopes of the Berkshires. * WHEN...From midnight tonight to 10 AM EST Tuesday. * IMPACTS...The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$
728 WWUS41 KBOX 020940 WSWBOX URGENT - WINTER WEATHER MESSAGE National Weather Service Boston/Norton MA 440 AM EST Tue Mar 2 2021 MAZ002>004-008-009-026-021500- /O.CON.KBOX.WC.Y.0003.000000T0000Z-210302T1500Z/ Western Franklin MA-Eastern Franklin MA-Northern Worcester MA- Western Hampshire MA-Western Hampden MA-Northern Middlesex MA- Including the cities of Charlemont, Greenfield, Orange, Barre, Fitchburg, Chesterfield, Blandford, and Ayer 440 AM EST Tue Mar 2 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS MORNING... * WHAT...Very cold wind chills. Wind chills as low as 15 below zero. * WHERE...Portions of central, eastern and western Massachusetts. * WHEN...Until 10 AM EST this morning. * IMPACTS...The cold wind chills could result in hypothermia if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$
149 WWUS41 KBOX 021431 WSWBOX URGENT - WINTER WEATHER MESSAGE National Weather Service Boston/Norton MA 931 AM EST Tue Mar 2 2021 MAZ002>004-008-009-026-021545- /O.CAN.KBOX.WC.Y.0003.000000T0000Z-210302T1500Z/ 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 931 AM EST Tue Mar 2 2021 ...WIND CHILL ADVISORY IS CANCELLED... Although wind chills will remain below zero into the afternoon, values have risen above criteria. Therefore, the wind chill advisory has been cancelled. $$ Frank
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 1, 3:11 AM EST | Storm Warning | BOX | 36 hr | |
| Mar 1, 8:38 AM EST | Coastal Flood Statement | BOX | Barnstable, Essex, Norfolk, Plymouth, Suffolk | 5 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.