I think the snow map I posted a few posts ago will be close to reality, both with the placement of the the highest totals and the rain snow line. But, there is major bust potential here, for a major city. Chicago which is on the southern edge of heavy snow on my map is where I'm talking about. Why? Warm air. This storm will pull in a lot of warm air. Southern IL, MI, and IN will be in the 60s tomorrow. Chicago which currently is barely in the heavy snow zone could easily see some warm air come in and change the precipitation to rain and significantly cut down on totals. Other then that everything looks on track...
Side note:
Sunday-Monday actually looked interesting to me on the Oz GFS...in terms of some accumulating snow. The model showed a series of shortwaves coming through, each with some lift and cold air. These could easily interact with Lake Erie and deposit a few inches of snow in the Snow Belt Sunday and Monday. Not sounding an alarm yet just pointing out that interesting happening showing up on the GFS.
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