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Air masses and fronts - Earth Science · Microsoft PowerPoint - Air masses and fronts Author:...

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9/24/2019 1 Winds Continued… Remember… Warm air = less dense = rises = L pressure Cold air = more dense = sinks = H pressure Wind always moves from H to L What is happening? Land Breeze SEA BREEZE
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Page 1: Air masses and fronts - Earth Science · Microsoft PowerPoint - Air masses and fronts Author: SagerHM Created Date: 9/24/2019 7:49:56 AM ...

9/24/2019

1

Winds Continued…

Remember…Warm air = less dense = rises = L pressureCold air = more dense = sinks = H pressureWind always moves from H to L

What is happening?

Land Breeze

SEA BREEZE

Page 2: Air masses and fronts - Earth Science · Microsoft PowerPoint - Air masses and fronts Author: SagerHM Created Date: 9/24/2019 7:49:56 AM ...

9/24/2019

2

Other Processes That Lift AirConvergence and Convective Lifting

Orographic (Mountains) Lifting 1. Air rises on the windward side2. Clouds form as air cools at higher altitudes3. Dry air sinks on the leeward side.

Rain Shadows


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