The only areas really left out are around the Ohio River. Snow should use the I-70 corridor as its route, so points south may only get a dusting at best. But for us, that means we should get the brunt of it. Whatever that's worth... this is a clipper, I don't anticipate a big dump.
Snow should start for us around sunset and last most of the night. By early morning Saturday we should taper off to snow showers, but for several hours tonight we'll have a good thumping of light to moderate snowfall:
This is radar simulation from the NAM, which shows most of the moisture should be out ahead of the main disturbance. Models have honed in on 2" of new snow by noon tomorrow, and I think that's a safe bet. If anything I was burned on the last storm, so normally I would trend lower on the totals. But we're in an extremely cold airmass right now, with even colder air behind this storm, so snow:liquid ratios are going to be in the 16:1 to 18:1 neighborhood. This would support a solid 2" over several hours of light snow in a normal situation. However I think we're going to see a couple hours of more moderate snowfall somewhere around Ohio as frontogenesis develops ahead of the main system. That area, where ever it develops, could see something more along the line of 3", easily.
Another storm where I won't be making a snowfall map, because I think for Central Ohio it'll be a pretty uniform gradient except where ever that heavier band sets up. Expect everyone to hit 2", which would also make it our biggest snowfall of the season.
Oh yeah, and then get ready for colder air. Even colder than we've experienced lately. As in the potential for below zero readings on New Year's Eve. Brace yourselves everyone, the arctic is evacuating to Ohio.
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