[Weather] [2019.01.04 PM NWS Briefing] Freezing Rain Late Tonight into Saturday Morning

[BOX Operations - NOAA Service Account]

Good afternoon,

We continue to forecast freezing rain late tonight into Saturday morning,
which will make for hazardous travel conditions on untreated surfaces.
Winter Weather Advisories have been issued for central and western
Massachusetts. More details below.

*What / Where / When ... *

   - Freezing rain will begin to overspread northern and western areas of
   Massachusetts and Connecticut, especially along the higher terrain of the
   Berkshires, Litchfield and Worcester Hills, beginning prior to daybreak
   Saturday.
      - Impacts to major travel routes ... along I-91 at and north of
      Springfield, MA and along the Massachusetts Route 2 corridor immediately
      west of Fitchburg, MA.


   - A gradual transition to rain S to N through the morning. Will see the
   last remnants of freezing rain along the Berkshires as late as 12 PM
   Saturday before any and all precipitation is plain rain.


   - A glaze of ice, up to a tenth of an inch, is possible on untreated
   surfaces.


   - Also, Saturday night into Sunday morning, especially north and west of
   the I-95 corridor, any remaining wet surfaces are expected to freeze. If
   left untreated, there is the threat of additional ice developing along area
   roadways.

*Uncertainty ... *

   - Surface temperatures are critical with respect to freezing rain and
   ice accretion outcomes. Any measure of ice accretion will make surfaces
   slick.


   - However the greatest uncertainty is the exact timing of freezing rain
   to rain transition as outlined above. As alluded by the prior email, any
   small change can make a big difference in outcomes.

Matthew and Nicole Belk

If you have any questions or would like more information, don't hesitate to
contact us via this email address, on NWSChat <https://nwschat.weather.gov/>,
or at the following:

National Weather Service Boston/Norton, MA
46 Commerce Way
Norton, MA 02766
508.622.3280
Website <http://www.weather.gov/boston> | Facebook
<http://www.facebook.com/NWSBoston> | Twitter
<http://www.twitter.com/NWSBoston>
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