Note: This story was updated at 10:54 a.m.

More snow is possible in Oak Ridge on Friday night and Saturday, and the forecast calls for heavy snow in areas to the north and east, including northeast Tennessee and western North Carolina, as Winter Storm Jonas turns into a major snowstorm Friday.

A National Weather Service map of expected snowfall amounts shows that four to 12 inches of snow are possible in parts of upper East Tennessee and at higher elevations. Snowfall amounts in and around Asheville, North Carolina, could vary between eight and 24 inches. A blizzard watch has been issued for Washington, D.C., Baltimore, and New York City.

Expected snowfall amounts in Anderson County vary between one and four inches. (Anderson County is the county to the northwest of Knoxville in the map above.)

A winter weather advisory is in effect for Anderson, Knox, Loudon, and Roane counties, among others, from 7 a.m. Friday to 1 a.m. Sunday. It applies to Clinton, Kingston, Knoxville, Lenoir City, Maryville, Oak Ridge, and Sevierville. [Read more…]