Severe winter weather continues to sweep across the United States, with winter storm warnings and advisories in effect for 19 states. The storm is expected to bring heavy snowfall, dangerous ice accumulation,

Parts of the Sierra Nevada could see up to 30 inches of snow and wind gusts as high as 120 mph as a severe storm sweeps Northern California, according to the National Weather Service.

On Wednesday at 3:29 p.m. an updated winter storm warning was issued by the National Weather Service valid from 4 p.m. until Friday 1 p.m. for Clearfield, Cambria and Somerset counties.