US Pattern Next 10 Days: Weekend Snow System To Be Followed By Mild Then Cold Again

Written by on February 15, 2014 in United States of America with 0 Comments

The big eastern snowstorm sure did deliver with the Major I-95 cities from DC all the way to Boston picking up 10-13 inches of snow. To the west into the Appalachians and places got a 20-30 inch dump. The highest amount that I’ve seen from this system was 29 inches in the mountains of Virginia.

Here’s a look at the current US snowpack and you can clearly see the fresh snow laid down from Georgia to New England. The Southern snowpack as you’d expect has been melting fast and furious in the strengthening Feb sun.

nsm_depth_2014021405_National

While the deepening sub-980mb low sweeps through the Maritimes this weekend bringing blizzard conditions to coastal New England, the next system drops into the Mid-Atlantic and Northeast where a widespread 1-3 inches is expected.

Here’s the current snow projections for the weekend storm off AccuWeather.

Source: AccuWeather

Source: AccuWeather

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Note snowfall increases north of the Big Apple. Why, because this system like the one we have now will intensify off the coast.

ECMWF surface chart shows this.

Source: AccuWeather Pro

Source: AccuWeather Pro

36 hrs

Source: AccuWeather Pro

Source: AccuWeather Pro

This thing is out to sea by later Sunday. It turns bitter on the backside with lows back into the 10s for the Big Cities.

Source: AccuWeather Pro

Source: AccuWeather Pro

Saturday’s conditions.

Source: AccuWeather

Source: AccuWeather

Pacific Flow Brings Thaw, Relief From Cold

Here’s the Saturday system, this will be followed by cold NW winds which take us into the new work week briefly.

Geopotential3250032hPa32and32Temperature32at3285032hPa_North32America_24

Here comes the zonal flow.

Geopotential3250032hPa32and32Temperature32at3285032hPa_North32America_120

With a trough digging in the West, expect a nice warm-up mid to late next week with southwest winds pushing snow eating 40s up into Chicago and Detroit. DC may see 60 while it gets into the 50s from Philly all the way to Boston.

Geopotential3250032hPa32and32Temperature32at3285032hPa_North32America_168

Followed By MORE Cold!

Next punch drops into the Rockies first then spreads east.

Geopotential3250032hPa32and32Temperature32at3285032hPa_North32America_192

Geopotential3250032hPa32and32Temperature32at3285032hPa_North32America_216

Geopotential3250032hPa32and32Temperature32at3285032hPa_North32America_240

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