Snow squall is a weather phenomenon characterized by a sudden and intense snowstorm that lasts for a brief period of time. There are many synonyms for this term, including white-out, blizzard, flurry, and snowstorm. These terms all refer to a sudden and intense snowfall that can cause poor visibility, hazardous driving conditions, and even power outages. Another term that is often used to describe these snowstorms is a "snowburst," which refers to a sudden and heavy snowfall that is accompanied by strong winds. Regardless of the term used, it is important to take caution during these events to ensure safety while traveling or being outdoors.