冬季风暴导致俄勒冈州 30 辆汽车堆积，而加利福尼亚州的大雨有引发泥石流的风险。 Winter storm causes 30-car pileup in Oregon, while heavy rain in California risks mudslides.

一场严重的冬季风暴在俄勒冈州的一条主要高速公路上造成 30 辆汽车堆积，大雪和大冰导致多人受伤。 A severe winter storm has caused a 30-car pileup on a major highway in Oregon, leading to several injuries due to heavy snow and ice. 与此同时，南加州的强降雨在脆弱地区造成泥石流的风险。 Meanwhile, heavy rainfall in Southern California poses a risk of mudslides in vulnerable areas. 这两个事件都是影响太平洋西北部和加利福尼亚的更大风暴系统的一部分。 Both events are part of a larger storm system affecting the Pacific Northwest and California.