Major Winter Storm For Plains/Midwest Next Week, Siberian Express May Follow…

Written by on January 27, 2016 in United States of America, Winter 2015/16 with 0 Comments

I think it’s safe to say the late week storm misses the Northeast while a clipper-like feature pushes over the Great Lakes bringing snow showers and possible lake effect. The two systems don’t phase and so the Northeast can relax (for now) give or take flurries, perhaps a coating.

Credit: AccuWeather

Credit: AccuWeather

Into next week and things get more interesting as a large and quite potent system slides in off the Pacific and will present big snowfall and rains as well as strong winds to California and the West, once this system enters the Plains it will bring a nice warm southerly flow for the East. This will be a significant snowstorm for Plains and Midwest, likely with heavy rain and severe weather dominating the warm sector.

Credit: AccuWeather

Credit: AccuWeather

Credit: AccuWeather

Credit: AccuWeather

Credit: AccuWeather

Credit: AccuWeather

All the while, up in the Canadian arctic, heights significantly build which will force arctic air slowly south and it’s this storm system barrelling across the Lower 48 that’s likely to open the arctic door late next week.

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GFS surface shows the low exploding over the Plains late weekend into early next week as it taps warm, moist Gulf air as well as colder, drier air out of southern Canada. Also notice what follows.

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Credit: Tropical Tidbits

GFS snow forecast.

Day 7

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Day 10

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Notice in the below GFS ensemble 500mb height anomaly snap shots how the positive builds with a nice cross polar connection which seeds already very cold Canadian air with Siberian and it’s once that storm departs through the Great Lakes or interior Northeast while the flood gates open with the potential arrival of a Siberian Express.

The below charts are just beautiful when you get towards next weekend as the heights build and there’s a distinct flow crossing over top of the pole down over North America and filling a deepening trough with bitterly cold air.

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Credit: Tropical Tidbits

See video for the discussion.

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