What we'll have to pay close attention to is the overall track of the storm system as well as the location of the rain/snow mix (32-degree) line. As of this morning, forecast models place the rain/snow mix line between highway 20 and Madison.
IF there was a slight shift south in the overall track, that would further the areas chance for wintry precipitation. IF the rain/snow mix line stays near the IL/WI border, that would favor us seeing a rain/snow wintry mix. Finally, if the track is bumped slightly north, that would place us under the warm sector" of the clipper, giving us a better shot for precipitation to fall as rain. I do think we have a solid shot at seeing a rain/snow mix late Tuesday into Wednesday, with precipitation wrapping up by Wednesday afternoon.
With the current scenario placing the surface low somewhere near the IL/WI border or over southern Wisconsin, the axis of heavier snow will be focused to our north across portions of central and northern Wisconsin. But again, if we do see a slight shift south in the low's overall track, that would bring some of those heavier totals south as well. Something to watch as we get into Tuesday evening/night.




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