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downburst
(redirected from Downbursts)

    Also found in: Wikipedia 0.03 sec.
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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______, 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
Johnson (1983) suggested that heat bursts are essentially downbursts impacting on a stable layer near the ground.
Examination of a long-lived heat burst event in the northern plains by Johnson, Jeffrey S. / National Weather Digest
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