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Meteorology
We mostly work with the two
top symbols and note that on
weather charts in black and
white, all symbols are black, so
it's the shape you need to focus
on here.
3.8.3 Warm Sector
The area between the cold and warm fronts is called the warm sector.
The figure shows a classic
low-pressure system: cold
front with showers, warm
sector with good weather,
and warm front with rain.
Above is the low-pressure
system at higher altitudes.
Below is a cross-section of
the low-pressure system
from the Earth's surface to about 10 km up.
See an animation of the development of the low-pressure system here.
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3.8.4 Front Clouds
Next side you see the clouds associated with a traditional front system. The
diagram should be read from right to left.
Flight Theory PPL(A)(UL)/LAPL Henning Andersen, Midtjysk Flyveskole© marts 2026 306
