Transcript ppt - SHS Science

The rotating Earth affects winds…
Falling
Rising
Global Surface
Winds are…
Falling
Rising
Falling
Rising
Falling
Plus, warmed air cools long before reaching the
poles
Global Winds for United States are…
Blowing from west to east primarily…
And are called PREVAILING WESTERLIES
In general, Winds are caused by…
Differences in pressure…
Moves from High to Low.
So, any local differences in pressure…
Will result in local winds
Falling
Rising
WARM
WIND
COOL
H
Local Wind
L
Prevailing Westerlies
Rising Air
What will surface
L
winds be like near
a high and low
Falling Air
pressure?
Prevailing Westerlies
H
Winds deflected to the
right of intended path
Coriolis MerryGo-Round
BUT… What will the Coriolis
Effect do?