Good afternoon:

What has changed ...

No changes to hazards with the afternoon update. 
  • WINTER STORM WARNINGS ...
    • Continue for northern and northeast Massachusetts;  Berkshire County, Massachusetts and Litchfield County, Connecticut.
  • WINTER WEATHER ADVISORIES ... 
    • Continue for areas along and south of the Massachusetts Turnpike, including all of Connecticut except for Litchfield County, and all of Rhode Island except for Block Island.
  • Please see the attached graphic outlining headlines.
What / Where / When ...

  • Significant impact for today's afternoon into evening commute
  • Transition to wintry mix has already begun across CT this afternoon
  • Sleet will approach the Massachusetts Turnpike between 4-5 PM, and the MA/NH/VT border between 6-7 PM
  • Latest snow/sleet total accumulations are attached
  • Ice accretion of a trace up to two tenths across interior Southern New England, especially around the Worcester / Hartford / Springfield region. 
    • A low threat of tree and power line damage. 
    • Please see the attached storm total ice accretion graphic for specifics.
  • Please see the attached animated graphic highlighting precipitation-types for rough estimate of timing. 
  • Hazardous travel conditions with slick roadways.
    • Expect a longer commute
  • Reductions in visibility with any snow and / or sleet.
    • Lower visibility, especially as around 1 inch per hour snowfall rates are possible, before mixing with then changing over to sleet
    • Moderate to heavy snow, mostly falling during today's afternoon into evening commute across MA
  • Less impact to the Wednesday AM commute as steadier precipitation ends, some show shower activity lingering across northwest MA
    • However can't rule out some lingering icy roadways across interior MA and CT, especially if left untreated. 
Uncertainty ... 
  • While specific snow amounts are still uncertain, hinging on exactly when snow will change to sleet, the bigger message is the anticipated significant impact to this evening commute. 
Please, do not hesitate. Should you have any questions, comments and/or concerns, we are here 24 / 7 to help you. If you are looking for an hour-by-hour forecast for your area, please visit the following website below ...

https://forecast.weather.gov/gridpoint.php?site=box&TypeDefault=graphical


Matthew Belk

If you have any questions or would like more information, don't hesitate to contact us via this email address, on NWSChat, or at the following:

National Weather Service Boston/Norton, MA

46 Commerce Way
Norton, MA 02766
508.622.3280
Website | Facebook | Twitter