A heavy snowstorm hit Southern California mountain communities on Thursday. Many visitors flocked to local ski resorts to enjoy a day of quality snow on the slopes. KTLA's Shelby Nelson reports from Big Bear on March 13,

The snowfall created issues along Highway 18 and at two dozen vehicles remain stuck. Authorities said snow chains are required for those who don’t have a four-wheel drive.

Southern California welcomed a surge of moisture that forecasters say could be the first in a series of early March storms, including a potential atmospheric river.