Transcript Wind

Section 16-3
Explain
what
you think
causes WIND.
Caused
by a
difference in
AIR PRESSURE
Horizontal
movement
of air from an area of
High Pressure to an
area of Low Pressure
Measured
with
an Anemometer


Blow over short distances
Form only when no other winds are
blowing from farther away.
 Caused
by unequal heating of
Earth’s surface.
Winds
are named
by where they
come FROM
Seasonal
Land and
Sea Breezes which
occur annually
250 cm = 98 in
PA = 41 per year,
about 3 per month
 Caused
by the movement
of air from the poles to
the equator
 Near
the
Equator
 Warm
air is rising, so
there is little or no wind
Winds
curve because
of the spinning of the
earth
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