Heavy Snow Ahead for Parts of the West:

An active pattern is set to take hold across the West over the next five days with significant snowfall expected across portions of the Northwest and the Northern/Central Rockies. The Cascades and BC Coast Range, in particular, will see deep snow totals late this week. The downside is that warm air will arrive on Sunday with snow changing to rain at ski resorts in the Northwest.

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Forecast for Wed (Nov 29) to Thu (Nov 30):

A storm taking a southerly track will bring moderate snow to Arizona and New Mexico on Thursday. The first in a series of storms will also bring light snow to the Cascades and BC Coast Range. Heavier snow is expected further north in Alaska. 

Lake effect snow showers are also expected across portions of the Northeast on Wednesday, followed by a break in the pattern on Thursday.

Forecast for Fri (Dec 1) to Sat (Dec 2):

A stronger storm will impact the West with deep snow totals expected across the Northwest, while the Central Rockies will see moderate to locally heavy snow. The Sierra Nevada Range and Tahoe will only see light snow on the southern fringe of this storm. 

Another storm will impact the Northeast with snow favoring the higher terrain of New England. 

Forecast for Sun (Dec 3) to Mon (Dec 4):

Storms will continue to impact the West during this period, but the arrival of a warm atmospheric river eve will result in rising snow levels and a change-over from snow to rain across much of the Northwest. Higher elevations of the Central Rockies (Tetons, Wasatch, maybe Colorado) could receive heavy amounts of snow with snow quality trending wetter/denser over time. 

Yet another storm is expected to bring more snow to New England, while the higher terrain of West Virginia could pick up some snow as well. 

Outlook for Tue (Dec 5) to Sat (Dec 9):

The storm track will favor the Northwest during this period with rain and high snow levels expected initially, but we should see a trend toward colder temperatures and lower snow levels over time. The Central Rockies are expected to see fewer storms and lighter snowfall. 

A favorable early season pattern is expected to continue across the East with cold temperatures and frequent chances of natural snow. 

Thanks so much for reading! Next update on Friday (December 1).

Alan Smith 

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