It’s a bit of an all or nothing November across not just the Northern tier of the United States when it comes to snow but even in a relatively small area of the West. While parts of the Central Rockies have very little to no snow, many parts of the Northern Rockies are at record mid November levels for snowpack.
The Northeast including New England too still wait for the first snowfall of the season. Parts of the South including Tennessee and North Georgia received snow before Maine and Vermont.
The reason for a bumper start to the snow season primarily north of California and Nevada within the Cascades and Northern Rockies is down to an active jet stream and moisture laden storm train and unusually cold air over the Northwest. Combine the two and you get the big snows.
According to weather.com, more than 20 sites in Washington, Idaho, Wyoming and Montana have their highest mid November snowpack.
Recent years has seen huge variation in November snow with 2014 observing over 50% coverage and bitter cold not seen since 1976.
Then last November was second warmest with least mid November snow cover.
https://twitter.com/wxjerdman/status/798235287738609664
https://twitter.com/weatherchannel/status/798254967718965248
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