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.
Wiktionary(0.00 / 0 votes)Rate this definition: 1  limpet(Noun) A small mollusc, of the family Patellidae with a conical shell found clinging to rocks in the intertidal zones of rocky shores. 2  limpet(Noun) Someone dependant; someone disregarding or ignorant of another's personal space. He stuck to me like a limpet all day!