Saturday, December 19, 2009

Blizzard Warning!

A blizzard warning is now in effect for Bristol and Plymouth county as well as the Cape and Islands. A winter storm warning is in effect for the rest of the area, including Boston.  The snow is expected to arrive from south to north starting at around 5 PM on the Cape and at around 8 PM in Boston. It may begin as as some raindrops on the Cape because temps there are above freezing, but it will quickly change to snow. The wind-driven snow will fall heavily at times to around Sunday midday. 

Winds (MPH): NE/north winds will blow and drift the snow around making visibility near 0 at times. 

Cape and Islands: Sustained at 35-45 MPH with gusts to 60! 
South shore: 30-40 with gusts to 50. 
Boston and north shore: 20-30 with gusts to 45

Timeline: The snow start and end times. 

5 PM: Snow or mixed precip arrives on the Cape. 
8 PM: Snow arrives in Boston
10 PM: Snow reaches NH border. 
10 PM- 11AM : Nor'easter sets in- heavy snow and strong winds, blowing and drifting as well. 
After 11AM: Heavy snow moves out, but still steady snow along the coast. 
4 PM: Snow ends along the coast. 


Totals (inches): My latest snow totals for the area.  
14-20+  South of a line From Hull to Providence on to the Cape. Less is expected on the outer cape because of rain mixing in. Areas like Brockton, Weymouth, Taunton, Falmouth, New Bedford.
10-14: From there to a line from Gloucester to Framingham to Worcester. Includes the Boston area. Areas like Cambridge, Wakefield, Milton, Walpole, Norwood and Concord. About a foot in JP.
6-10: From there to a line from Lawrence to Lowell to Leominster. 
2-6: North of the 495 belt. 

Temps should remain near 30 before midnight, then fall into the low and mid 20's and hold steady through Sunday. 

Another update later today. 

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