section 16-3. explain what you think causes wind
TRANSCRIPT
WindSection 16-3
Explain what you think causes WIND.
Warm-up
Caused by a difference in AIR PRESSURE
WIND
Horizontal movement of air from an area of High Pressure to an area of Low Pressure
WIND
WIND
Measured with an Anemometer
Wind Speed
Anemometers
Blow over short distances
Form only when no other winds are blowing from farther away.
Caused by unequal heating of Earth’s surface.
Local Winds
Winds are named by where they come FROM
Naming Winds
Sea Breeze
Land Breeze
Seasonal Land and Sea Breezes which occur annually
Monsoons
Monsoons
Monsoons
Monsoons
Monsoons
Monsoons
250 cm = 98 in
PA = 41 per year, about 3 per month
Caused by the movement of air from the poles to the equator
Global Winds
Sunlight hits most directly at the Equator
Near the Equator
Warm air is rising, so there is little or no wind
Doldrums
Doldrums
Global Wind - principle
Global Wind - reality
Global Winds
Winds curve because of the spinning of the earth
Coriolis effect
Coriolis effect
Jet Stream
http://www.kudzuacres.com/wwow/lessons/weather/Weather2007notes.htm