The term 'BAD FALL' can be broken down into three crossword solutions: HEADER (6 letters), SLEET (5 letters), and HAIL (4 letters). HEADER is a term used in computing to refer to the top line of a document or file, which contains information about the document. SLEET is a type of precipitation that is a mixture of rain and snow. HAIL is a form of precipitation that consists of balls or lumps of ice. Together, these three words describe a bad fall, which could refer to a stormy day with heavy rain, snow, and HAIL.