[Weather] [2019.12.18 AM] NWS Boston EM Briefing: Scattered Snow Squalls and Bitter Cold Wind Chills

[BOX Operations - NOAA Service Account]

Good morning,

We continue to expect scattered snow squalls to impact southern New England
this afternoon/evening, followed by bitter cold wind chills overnight.
Details below:

*What Has Changed:*

   - A Wind Chill Advisory has been issued for the slopes of the Berkshires
   overnight into Thursday morning.
   - A Wind Advisory is in effect for Cape Cod and the islands from 7 PM
   this evening through 10 AM Thursday morning.
   - A Freezing Spray Advisory is in effect for Nantucket Sound, Cape Cod
   Bay, Massachusetts Bay, and Ipswich Bay from 1 AM to 10 AM Thursday
   morning.

*Isolated to Scattered Snow Squalls:*
*Locations*: All locations.
*Timing*: Wednesday afternoon into early evening.
*Amounts*: A quick coating to half an inch in less than 30 minutes.
*Impact*: Temporarily reduced visibility could catch drivers off guard,
especially for early evening commute. Also, roads could become snow-covered
quickly, resulting in slippery travel.
*Confidence*: Low to moderate. Areal extent of snow squalls will be limited
with many locations likely remaining dry. Best chance of snow squalls will
be in the interior.

*Bitter Cold/Very Low Wind Chills:*
*Locations*: All locations.
*Timing*: Wednesday night into Thursday morning.
*Amounts*: Wind chill values -5 to -20°F across the interior, and zero to
-5°F across eastern MA and RI.
*Impact*: Coldest air of the season. Bitter cold wind chills for school bus
stops.
*Confidence*: High. Wind Chill Advisory is in effect.

*Potential risk of freezing spray:*
*Locations*: Immediate coastal waters off Eastern MA and RI.
*Timing*: Wednesday night into early Thursday morning.
*Amounts*: Light to moderate freezing spray possible.
*Impact*: Glaze of ice possible on boats and ships traversing the waters.
*Confidence*: Moderate overall, highest risk across the nearshore waters. A
Freezing Spray Advisory is in effect.

Bryce Williams


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>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.massupt.org/pipermail/weather/attachments/20191218/dec1f610/attachment-0001.html>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: MinApparentTISC_SFC.png
Type: image/png
Size: 120103 bytes
Desc: not available
URL: <http://lists.massupt.org/pipermail/weather/attachments/20191218/dec1f610/attachment-0002.png>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: Hazards_SFC.png
Type: image/png
Size: 115193 bytes
Desc: not available
URL: <http://lists.massupt.org/pipermail/weather/attachments/20191218/dec1f610/attachment-0003.png>