NOAA: Still uncertain about snow amounts for Cape

Anywhere from 0 to 5 inches, depending on where you look

From the National Weather Service:

[7 am] Unfortunately still lots of uncertainty regarding the track & intensity of an ocean storm Sunday. 

Local forecast from NOAA:

Detailed Forecast

Today
Increasing clouds, with a high near 42. Light and variable wind becoming east 5 to 10 mph in the afternoon.
Tonight
A chance of rain between 9pm and 3am, then snow likely. Mostly cloudy, with a low around 33. Breezy, with an east wind 17 to 24 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday
Snow likely. Cloudy, with a high near 37. Windy, with a northeast wind 29 to 34 mph, with gusts as high as 55 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Sunday Night
A chance of rain before 4am, then a chance of snow. Mostly cloudy, with a low around 35. Windy, with a north wind 28 to 33 mph, with gusts as high as 50 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Monday
A chance of snow before 10am, then a slight chance of rain showers. Partly sunny, with a high near 43. Windy, with a north wind 21 to 26 mph, with gusts as high as 40 mph. Chance of precipitation is 30%.

 

Winter Storm Watch

URGENT - WINTER WEATHER MESSAGE
National Weather Service Taunton MA
442 AM EDT Sat Mar 18 2017

MAZ022-023-181645-
/O.CON.KBOX.WS.A.0007.170319T0000Z-170320T0000Z/
Barnstable MA-Dukes MA-
Including the cities of Chatham, Falmouth, Provincetown,
and Vineyard Haven
442 AM EDT Sat Mar 18 2017

...WINTER STORM WATCH FROM THIS EVENING THROUGH SUNDAY EVENING...

* LOCATIONS...Cape Cod and Marthas Vineyard.

* HAZARD TYPES...Heavy, wet snow.

* ACCUMULATIONS...Snow accumulation of 3 to 5 inches.

* TIMING...Snow will begin to overspread the area late tonight
  continuing through Sunday evening with the heaviest snowfall
  occurring around Sunday morning.

* IMPACTS...Snow will have a heavy, wet consistency. Combined with
  forecast strong northeasterly winds, with any clumping in trees
  there is the possibility for downed limbs resulting in the risk
  of power outages. This in addition to potential accumulation
  along area roadways which will make for slick, hazardous travel.

* DISCUSSION...While forecast snowfall accumulations are below
  warning criteria, the watch has been issued to account for the
  potential impacts of downed limbs and power outages. The watch
  has also been maintained due to the lowered confidence concerning
  storm track and intensity in proximity to Southern New England.

* WINDS...Northeast 25 to 35 mph with gusts up to 55 mph.

* VISIBILITIES...One quarter to one half mile at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Watch means there is a potential for significant
snow, sleet, or ice accumulations that may impact travel.
Continue to monitor the latest forecasts. Be prepared to modify
travel plans should winter weather develop.

 


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