Cumulonimbus is a heavy and dense cloud of considerable vertical extent in the form of a mountain or huge tower, often associated with heavy precipitation, lightning and thunder.The mature Cumulonimbus cloud has a distinctive flat, anvil shaped top.umulonimbus is a heavy and dense cloud of considerable vertical extent in the form of a mountain or huge tower, often associated with heavy precipitation, lightning and thunder.
This is the next most formal wedding dress code and usually means the wedding is an evening affair. He should wear: A tuxedo. A black bow tie, cummerbund, and patent leather shoes are also suggested. She should wear: A chic cocktail dress or a long evening gown in a dark, neutral color like brown or black.
3. Semi-formal. Semi-formal is probably the most common type of wedding attire you'll see on invitations. A nice cocktail dress is a sure thing here, but women can also wear a dressy suit. When it comes to semi-formal weddings, just pay attention to the season and venue to help ensure you look appropriate.