Atmospheric temperature, pressure and winds - pressure gradient Flashcards
1
Q
from where to where does air move?
A
High to low pressure
2
Q
what is moving air called?
A
wind
3
Q
what does difference in pressure cause?
A
it causes a pressure gradient.
4
Q
what is a pressure gradient?
A
Pressure gradient is the amount of change in atmospheric pressure between high and low pressure areas
5
Q
what does pressure gradient force (PGF) cause ?
A
It causes air movement from high to low pressure areas.
6
Q
what causes weaker or stronger PGF?
A
the steeper the pressure gradient the stronger the PGF and the gentler the pressure gradient the weaker PGF will be.
7
Q
how can we identify pressure gradients?
A
with isobars, closer they are draw together the steeper it is and vice versa.
