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.
Particularly if it's an evening wedding then this is a step below black tie (when tuxedos/dinner jackets would be required for men and evening gowns for women). Men should wear a full suit with the matching trousers and jacket with a nice tie/shirt combo and women a great cocktail dress. This is not an event for sundresses and beachwear or unmatched jacket/trousers. If a man owns a well-tailored or bespoke suit, this is when he can show it off.