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.
limp verb (PERSON/ANIMAL). âº [I] to âwalk âslowly and with âdifficulty because of having an âinjured or âpainful âleg or âfoot: Three âminutes into the âgame, Jackson limped off the âpitch with a âserious âankle âinjury.