Front
A front is the boundary line of the mass
of cold air, and a warm air mass. Each other
air mass are seldom mixed, on the boundary
line, the two airs collide with, and the
weather becomes unstable. There are four
kinds of fronts, a warm front, a cold front,
a occluded front, and a stationary front.
»»»see the picture of stationary
front»»» »
Warm front
Because warm air is lighter than cold air,
it climbs on cold air slowly. Therefore,
the Nimbostratus which showers on rain in
the very large area, and it is a gentle and
quiet rain.
»»»see the picture below»»»
»
Cold front
In the cold front, the original warm air
is pushed up by the cold air which comes
from below. High Cumulonimbus forms from
this warm air.
»»»see the picture below»»»
»
Occluded front
The cold front moving at speed will catch
up with a warm front. This is the Occluded
front.
»»»see the picture below»»»
»
Stationary front
When the power of the cold and warm air are
same. The cold and warm airs block each other.
Therefore, Stationary front moves little
and rain continues over a long period of
time.
»»»see the picture below»»
»
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Cloud and Weather
