Crossword clues for the word: ALTOSTRATUS The word ALTOSTRATUS has appeared as an answer to at least 2 crossword clues on different crossword puzzles. Crossword clues for ALTOSTRATUS Showing 1 to 2 of 2 results Clue(s) Cloud at heights of about one to five miles Dense greyish layer cloud at an intermediate height of 6,500-20,000 feet