Powerful storms that killed three people in Mississippi and ripped roofs from buildings in a small Oklahoma town charged eastward Wednesday, spawning tornado warnings near the East Coast while heavy snow struck the Midwest and dry,

The winter storm could impact up to 170 million people across more than 20 states from the southern Plains to the Midwest and East, AccuWeather said.

Two storms are targeting the country, with one bringing heavy rain to the East Coast and the second dropping snow and rain in the West.