Atmospheric Pressure and Wind Systems
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Questions and Answers

What is the primary cause of wind?

  • Atmospheric dynamics
  • Differences in pressure (correct)
  • Earth's rotation
  • Coriolis effect
  • What is the name of the zone of low pressure formed along the equator?

  • Polar high
  • Subpolar low
  • Intertropical convergence zone (correct)
  • Subtropical high
  • What is the direction of the trade winds in low latitudes?

  • From the poles towards the equator
  • From the subtropical highs towards the intertropical convergence zone (correct)
  • From the intertropical convergence zone towards the subtropical highs
  • From the equator towards the poles
  • What is the purpose of constructing a global pressure model?

    <p>To identify global pressure and wind systems</p> Signup and view all the answers

    What is the name of the winds that blow from the east in tropical regions?

    <p>Tropical easterlies</p> Signup and view all the answers

    What is the result of the convergence of air at the equator?

    <p>It forms a low-pressure system</p> Signup and view all the answers

    What is the direction of the westerlies in the Northern Hemisphere?

    <p>From the southwest</p> Signup and view all the answers

    What is the characteristic of atmospheric pressure at the poles?

    <p>It is consistently high throughout the year</p> Signup and view all the answers

    What is the name of the linear zone of low pressure between cold and warm air?

    <p>Polar front</p> Signup and view all the answers

    What is the approximate latitude range where the ITCZ alternates with the subtropical high?

    <p>5o-15o</p> Signup and view all the answers

    What is the typical speed range of a jet stream?

    <p>120-640 kilometers per hour</p> Signup and view all the answers

    What is the name of the wind systems that blow equatorward?

    <p>Trade winds</p> Signup and view all the answers

    What happens to the air on mountain slopes during the day?

    <p>It expands and rises</p> Signup and view all the answers

    What is the direction of air flow from the mountains to the valleys during the night?

    <p>Down into the valley</p> Signup and view all the answers

    What is the primary reason for the formation of a land breeze?

    <p>High pressure over the land</p> Signup and view all the answers

    Why do the valley and mountain slopes cool at night?

    <p>Due to the loss of heat energy to space</p> Signup and view all the answers

    What happens to the air in the valley during the day?

    <p>It is drawn up the mountain sides</p> Signup and view all the answers

    What is the primary mechanism that turns upper air winds eastward?

    <p>Coriolis effect</p> Signup and view all the answers

    What type of winds occur in Southern California and are characterized as very dry and downslope?

    <p>Santa Ana Winds</p> Signup and view all the answers

    What type of winds occur on the eastern slopes of the Rocky Mountains and are characterized as dry and warm?

    <p>Chinook Winds</p> Signup and view all the answers

    What is the primary cause of the daily cycle of local winds in the Land Breeze-Sea Breeze phenomenon?

    <p>Differential heating of land and water</p> Signup and view all the answers

    What type of winds occur when cold, dense air flows downslope from a high mountain valley or glacial ice sheet?

    <p>Katabatic Winds</p> Signup and view all the answers

    What is the primary characteristic of Monsoon winds?

    <p>Seasonal reversal of winds</p> Signup and view all the answers

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