A blizzard is a storm that has significant falling or blowing snow, reduced visibility, and wind speeds at around 56 kph or greater, all for a period of 3 hours or longer.

暴风雪是一种风暴， 它会下雪或吹雪， 能见度降低，风速约为 56 公里/小时或更高， 持续时间为 3 小时或更长时间。