The Great Plains, the Midwest, the Mississippi Valley and the southern United States are all areas that are vulnerable to tornadoes. They are relatively rare west of the Rockies and are also less frequent in the northeastern states. Tornado Alley is a colloquial term for an area particularly prone to tornadoes.
GCIDE(0.00 / 0 votes)Rate this definition: 1  Limpid(a.) Clear and unambiguous; lucid; easy to understand; -- of speech and writing; as, limpid prose. 2  Limpid(a.) Calm, untroubled, and without worry; serene.
Definition of imid from the Collins English Dictionary. Log in to comment on this word. Word of the day: fauvism. a French expressionist movement in painting at the beginning of the 20th cent ., involving Matisse , Derain , Vlaminck , etc.: it was characterized by bold distortion of form and the use of strong, pure color. See full definition.