Wartime production synonym12/2/2023 However, the word disappeared from use for nearly a century The meteorological community during the 1880s. "Derecho" was adopted to a limited extent by Shows a derecho crossing Iowa on July 31, 1877. I.e., the letter "e" is not added after the letter "o."Ī defining excerpt from Hinrich's paper may be seen in this figure that Which means "to turn." Because "derecho" is of Spanish origin, the plural form is spelled "derechos " Is thought to have been derived from the Spanish word "tornar," Here to hear a pronunciation of the word "derecho"). "Derecho" is a Spanish word meaning "right," "direct," Meteorological Journal to distinguish thunderstorm-induced straight-line winds from the damaging, rotary winds of tornadoes. Hinrichs used the term in a paper published by the American Professor of physics at the University of Iowa. The word "derecho" was coined in 1888 by Dr. More physically-based - i.e., focused on the meteorological processes believed responsible for the production of Introduced in 2016 that was intended to make the definition This requirement was added in a revised definition of "derecho" The derecho-producing convective system also should contain certain radar-observed storm features such as bow echoesĪnd rear-inflow jets (discussed below in Derecho-producing storms andĭerecho development). Is at least 60 miles (about 100 km) wide, includes wind gusts of at least 58 mph (93 km/h) along most of its length,Īnd also includes several, well-separated 75 mph (121 km/h) or greater gusts, the event may be classified as a derecho. By definition, if the swath of wind damage extends at least 400 miles (about 650 kilometers), As a result, the term "straight-line wind damage" is sometimes used toĭescribe derecho damage. Variously known as bow echoes, squall lines, or quasi-linear convective systems.Īlthough a derecho can produce destruction similar to that of a tornado, the damage typically occurs in one directionĪlong a relatively straight path. Derechos are associated with bands of rapidly moving showers or thunderstorms Is available in The Derecho FAQ (Frequently Asked Questions) page.Ī derecho (pronounced similar to "deh-REY-cho" in English, Note: Some of the following information, in abbreviated, question-and-answer format,
0 Comments
Leave a Reply.AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |