Transcript Winds - Schools

Weather Factors
Winds
Chapter 2
Section 3
Wind
• Cause by differences in air pressure
– Air moves…
• High  Low
Wind Vane
• Measures wind direction
Anemometer
• Measures wind speed
Wind Chill Factor
• The temperature that it “feels like” due to
wind
– Removes buffer layer from skin
Local Winds
• Due to uneven heating of the earth’s
surface
– Warm air rises
Sea Breeze
• Cooler over ocean
• Warmer on land
• Summer Monsoon
Land Breeze
• Warmer over water
• Cooler on land
• Winter Monsoon
Global Convection Currents
• Warm equatorial air
rises
• Cool polar air sinks
Coriolis Effect
• Equator move fast
• Poles don’t move
Global Wind Belts
• Doldrums
• Horse Latitudes
• Trade Winds