Several changes have happened over the course of the last 10 hours. Models for the most part are on track but have been wavering the sharp precip cut off line, which is making firecasting snowfall accumulations tricky across the north. With that said, precip has also been forecasted to be more intense and thus far has been more intense further north than expected. Areas such as Burlington Vermont, have been upgraded to a Winter Storm Warning when last night were only under an advisory for 3 - 7 inches of snow. Now its forecasted to be 6 - 12 which looks very likely. Including the fact that 6 inches of snow had fallen as of 5:30PM this evening, and currently heavy snow is falling in that area, with snowfall rates near 1 inch or a bit more per hour.
Overall major change is snowfall and ice amounts. Forecasted snowfall amounts have increased significantly for pretty much the entire area. Also ice amounts have been adjusted downward, as colder air is forecasted to move in aloft keeping it more snow/sleet, than freezing rain. Significant ice of up to a half inch is still forecasted in some spots however. The changes to precipitation amounts you can see below on the updated maps.
Travel will become increasingly difficult especially across Central, and Southern Vermont overnight, as snowfall rates could reach 2 inches an hour at times. If you must travel, leave plenty of extra time to reach your destination, and drive deffensivly...
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