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Day #5 with snow on ground for many folks in Montana and Alberta. That's gotta be a record too. Great Falls had 5 inches on ground at yesterdays 8am OBS. Wont get todays until tomorrow.
For those that don't know. An Upper Level low is basically a Vortex (a counterclockwise storm) in the Upper Levels. (It's my favorite atmospheric feature). It's also a cold pool of air and also creates instability at the surface.
Unlike a surface storm Upper lows move slow. Add some blocking downstream and Upper lows will make a surface system crawl.
Hence why I think we'll see prolonged period of snow and even 1-2 feet somewhere. Exact Location and track still unknown.
Where the storm is coming from... Below normal cold air will be spilling into BC, Alberta into the Plains. By Thursday entire Western U.S will be below normal while its dumping snow in Nebraska and Dakkotas..
Montana might drop into the teens again.. WOW!
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