Slide 1Unit 9: Circulation Patterns of the Atmosphere Action in the atmosphere—cloud formation over Easter Island in the South Pacific Ocean. (Authors’ photo) Simple…

Slide 1 Atmospheric Pressure and Wind Slide 2 Atmospheric pressure: –force exerted by a column of air per unit area –Normal atmospheric pressure at sea level = 1013 millibars…

Slide 1 WIND Slide 2 What do wind patterns have to do with oceans?  They impact currents, waves, and weather Slide 3 Review…  Warm air is less dense than cold air,…

Earthâs Climate Examine pages 456 and 457 in your text. From the data presented in the images and you knowledge of air movement, the atmosphere, and weather, explain the…

Atmospheric Processes Air Movements Surface Winds Pressure Systems Characteristics of high & low pressure systems Influence of high & low pressure systems on weather…

Why is the Winter Hemisphere Hadley Circulation stronger than the Summer Hemisphere Hadley Circulation? ATS 553 Based on: âRole of Continents in Driving the Hadley Cellsâ,…

Ch. 23.3 Winds Low air pressure at the equator, due to the constant rising of heated air. Cold heavy air at the poles sinks, causing high pressure regions. Pressure differences…

12.2 Weather system 12.2 NOTES: Weather Systems Convection, driven by uneven heating & the diurnal cycle, assures that equilibrium will never be reached, thus weather…

Chapter 8 Atmospheric Circulation and Pressure Distributions George Hadley (1685-1768) proposed a simple circulation pattern called the single-cell model to describe the…

Slide 1 Class 3b: Winds (global and local) Slide 2 Atmospheric pressure Slide 3 Warm air rises, cold air sinks Slide 4 Measuring pressure Slide 5 Mapping pressure Isobars…