downburst

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Related to Macroburst: downburst

down·burst

(doun′bûrst′)

A powerful downward air current from a cumulonimbus cloud, typically associated with thunderstorm activity.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

downburst

(ˈdaʊnˌbɜːst)

(Physical Geography) a very high-speed downward movement of turbulent air in a limited area for a short time. Near the ground it spreads out from its centre with high horizontal velocities. Also called: microburst

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

Translations

syöksyvirtaus

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References in periodicals archive ?

Fujita, The Downburst: Microburst and Macroburst, Report of Projects NIMROD and JAWS, University of Chicago, 1985.

Characteristics of Rainfall in Wind Field of a Downburst and Its Effects on Motion of High-Voltage Transmission Line

Type Horizontal scale Duration Microburst 1-4 kilometers 2-4 minutes Macroburst 4-10 kilometers 4-30 minutes Outflows 10-100 kilometes 1-10 hours (gust fronts, squall lines)

Dynamic responses and vibration control of the transmission tower-line system: a state-of-the-art review

OXFORD - A macroburst caused severe damage to a 10-mile swath in Oxford and Charlton on May 31, 1998, dislodging a large tree branch that smashed into a memorial stone in South Cemetery.