sentence: Blizzards start when a high pressure system touches as low pressure system.
sentences_before: A 'blizzard' is a large winter storm. It brings low temperatures, strong winds, and a lot of blowing snow.
sentences_after: The word 'blizzard' is sometimes used incorrectly by news media to talk about big winter storms, even if the storm is not a blizzard.
concept_name: blizzard
headings: Blizzard
categories: Snow