popcorn storm
n.— «I’ve seen enough “popcorn” storms to appreciate how difficult forecasting really is. These are storms that pop up, and then half an hour later they’re gone.» —“Lightning-quick network keeps tabs whenever it strikes” by Jon Van Chicago Tribune July 22, 1991. (source: Double-Tongued Dictionary)
Further reading
In 1916, a small-town newspaper in Pennsylvania printed a fanciful item about a local gathering with a guest list that included, among others, Miss Ella Vader, Mr. Ray Zor, and other punny names. This is part of a complete episode. Transcript of...
Over the centuries, the meaning of happiness has traveled a long way. Today we speak of the pursuit of happiness, but it used to be that the word happiness suggested something that occurs only by chance–something that simply… happens. Plus, the joys...