Add Yahoo as a preferred source to see more of our stories on Google. Six skiers have been found after a group of 16 went missing this morning as heavy snowfall blanketed California, prompting avalanche warnings in the Sierra Nevada mountains, closing coastal roads and causing flooding in Los Angeles.

Add Yahoo as a preferred source to see more of our stories on Google. Much of California on Monday was preparing to be hit by a powerful winter storm carrying treacherous thunderstorms, high winds and heavy snow in mountain areas.

The storm may bring heavy rain, snow, and high winds, leading to widespread power outages, disrupting air travel, and causing urban flooding and coastal flooding.