downburst

From Wiktionary, the free dictionary
Jump to navigation Jump to search

English

[edit]

Etymology

[edit]

From down- +‎ burst, coined by American meteorologist Horace R. Byers and Japanese and American meteorologist Tetsuya T. Fujita in November 1975.[1]

Noun

[edit]
English Wikipedia has an article on:
Wikipedia

downburst (plural downbursts)

  1. (meteorology) A powerful downward air current, especially one during a thunderstorm, often creating powerful divergent horizontal winds and strong wind shear upon impacting the surface.

Hyponyms

[edit]

Translations

[edit]

References

[edit]
  1. ^ T. T. Fujita, H. R. Byers (1976 March) “Spearhead Echo and Downburst Near the Approach End of a John F. Kennedy Airport Runway, New York City”, in T. Theodore Fujita, editor, Satellite & Mesometeorology Research Project[1], volume 137 (PDF), University of Chicago, 19760014753, Glossary of New Terms, page 50:DOWNBURST - A localized, intense downdraft with vertical currents exceeding a downward speed of 12 fps or 720 fpm at 300 ft above the surface. This value corresponds to a divergence of 4 x 10-2 sec-1.