A powerhouse cross-country storm is raising the threat of a severe thunderstorm outbreak while also dumping feet of snow

By Meteorologist Mary Gilbert, CNN (CNN) — The potential for a multiday outbreak of severe thunderstorms is climbing as a massive, powerful storm tracks across the United States. This storm has everything: feet of snow and blizzard conditions for parts of the Midwest and Great Lakes, roaring winds capable of knocking out power and elevating