1 introduction
·
pressure systems
↳
high (H) and cow (1) pressure
·
isovars :
lines with equar air pressure
wind speed dense-strong wind
↳ :
more
·
fronte /coloured Cines) :
Kairi zones
a air pressure and wind
2 1 creation
.
.
of wind
air pressure-the
·
weight of air pressing on earth (pers ma
↳ (sa eer) 1013 ha
average
:
·
H
high pressure
:
anticyclone/maximum
· low pressure :
Cyclone / minimum/ depressure
>
Ko -
&
warm avi rises :
Lower
wund
aunsity
*
*
and pressure
*
& &
&
·
&
L · H
W
warm cold
=
low pressure =
high pressure
caoudy
·
Earth's rotation = coridis force/dyection
↳ in NH :
defection to the
right
↑
yastect rotation at the
equator
&
·
wind direction (in NH)
-i
↳ H
% ↑
clock-wise out
of H
3 three air circulation alls
·
no +
rotation no water :
·
thermal pressure zones
& --S-wind
N-wind
&
.. 7 ↳ warm equator
:
(
a
Se & =
equatorial minimum
wed V
warm W cold ↳ cold poess :
4
90
°
N po 90 % -
= arctic maximum
L H
H