Chapter 6 Air Pressure and Winds

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Presentation transcript:

Chapter 6 Air Pressure and Winds The Atmosphere 10e Lutgens & Tarbuck Power Point by Michael C. LoPresto

Gale Force Winds Create Waves that Batter Coast in UK in 2002

Comparing Atmospheric Pressures

Measuring Atmospheric Pressure Mercury Barometer

Aneroid Barometer

Air Pressure and Aviation Altimeter

Adjusting to Sea-Level Pressure

Pressure Changes with Altitude

Air Pressure Is Proportional to Density

Pressure Changes with Temperature

Isobars

Pressure-Gradient Force

Formation of a Sea Breeze

The Coriolis Effect

Coriolis Deflection Depends on Latitude

Friction Decreases with Altitude… …Wind Speed Increases with Altitude

The Geostrophic Wind

Upper-air Weather Chart

Cyclones and Anticyclones

Do Baseballs Really Fly Farther at Higher Altitude?

Comparison between Upper-level and Surface Winds

Snow Fence

Surface High and Low Pressure Systems

in the Northern and Southern Hemispheres Cyclonic Circulation in the Northern and Southern Hemispheres

Associated with Surface Cyclones and Anticyclones Upper Air-flow Associated with Surface Cyclones and Anticyclones

Associated Weather… …with High Pressure …with Low Pressure

Wind Measurement Wind Vane Aerovane

Wind Rose

Satellite Wind Measurements

Wind Energy Growth in U.S. Wind-power

Chapter 6 END

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