Download Circulation of Air in Atmosphere

Circulation of Air in
Atmosphere
Convection
Jet Streams
•
Bands of easterly moving air at top of
troposphere
•
Can blow up to 200 MPH
Planetary Wind
•
Coriolis effect forces winds to deflect …
•
Left —> Southern Hemisphere
•
Right —> Northern Hemisphere
Seasonal Shifting
•
Vertical rays of the sun shift north and
south with the season
Seasonal Shifting
•
Result is different parts of the world are
influenced by different winds/pressures
during different seasons
Monsoons
•
Monsoon —> SEAOSNAL REVERSAL
OF WIND DIRECTION
•
In parts of Asia, around India, the winter
and summer monsoons can be extreme
WET
DRY
Weather in United
States
•
Most of the United States is affected by the
PREVAILING SOUTHWESTERLIES
•
This means most weather goes from the
SouthWest —> NorthEast
LOOK AT NORTHERN HEMISPHERE
BETWEEN 30 and 60 DEGREES
Surface Ocean Currents
•
Surface Ocean Currents are caused by the wind
blowing over the oceans
Fronts
Front Formation
•
When 2 air masses of different characteristics meet,
a boundary forms, called a front
Types of Fronts
•
Cold Front
•
Warm Front
•
Occluded Front
•
Stationary Front