The article covers it pretty well. This is just a simulation done for fun based on current climate conditions. Right after that they acknowledge that "Of course

The article covers it pretty well. This is just a simulation done for fun based on current climate conditions. Right after that they acknowledge that "Of course the climate isn't static" and offer a possible explanation for the huge increase in snow. But I think the point of the article is that even taking into account recent climate changes, this is still a super unlikely string of storms, and there's a lot of chance and coincidence involved.