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Global Wind Patterns

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Erika BH

on 15 January 2014

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Transcript of Global Wind Patterns

What is Wind?
The Polar Easterlies
The Polar easterlies blow irregularly from the east and north.
The Westerlies
The Westerlies blow from the west, tending somewhat toward the north. This causes most weather in the United States to move from west to east.
Trade Winds
South of about 30 degrees the northern or northeast trade winds blow mostly from the northeast toward the equator.
Jet Stream
The Jet Stream is what we see daily on TV, it swoops from the North West back up to the North East.
Global Wind Patterns
Global Wind Patterns
Winds are named after the direction from which they blow. There are
major wind belts, three in each hemisphere. There are the polar easterlies, the westerlies and the trade winds.
Wind is the natural movement of air.
The Southern Hemisphere
In the southern hemisphere the belts are reversed. The southeast trade winds blow from the southeast to the equator.
Seasonal Shifts & Monsoon Season
All of the belts move north during the northern summer and south during the northern winter.
The Coriolis Effect
A deflection of moving objects when they are viewed in a rotating reference frame.
Video On Jet Streams
Full transcript