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KB Term:
Sigma KEE - Tornado
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Tornado
A
Tornado
is a rapidly rotating column of
Air
which extends from the
Cloud
base of a cumulonimbus to the ground.
Relationships
Parents
CyclonicStorm
CyclonicStorm
is the class of
LowPressureWeatherSystem
s that involve a low pressure area surrounded by winds rotating rapidly inwards.
Storm
Storm
s occurs in an area where its
Atmosphere
is dominated by a
LowPressureWeatherSystem
with
Air
moving in
MotionUpward
.Surface
Wind
of over 30
KnotUnitOfSpeed
and or
Precipitation
are
Likely
associated with
Storm
s.
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Sigma version 3.0 is
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