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downburst

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down·burst  (dounbûrst)
n.
An extremely powerful downward air current from a cumulonimbus cloud, typically associated with thunderstorm activity.
downburst [ˈdaʊnˌbɜːst]
n
(Earth Sciences / 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
downburst  (dounbûrst)
An extremely powerful downward air current from a cumulonimbus cloud, typically associated with thunderstorm activity. Downbursts can produce effects that resemble those brought about by tornadoes.


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``They got caught in the sudden downburst just as they arrived in the area,'' said Fire Department foreman Chuck Lovers.
FIRE OFFICIALS IDENTIFY MAN KILLED IN CRASH by Daily News (Los Angeles, CA)
The JAWS data indicated that it took at least 5 to 6 minutes from the time the downburst reached the ground to the time when the winds of the outburst had reached their highest and most dangerous speeds.
Mastering the microburst; these elusive winds drop from clouds and ... by Monastersky, Richard / Science News
______, 1981: Tornadoes and downbursts in the context of generalized planetary scales.
An examination of three severe convective storms that produced ... by Reuter, Gerhard W. / National Weather Digest
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